./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/ldv-linux-3.0/module_get_put-drivers-block-pktcdvd.ko.cil.out.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version a0165632 Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1e19e50d-240c-422c-a0f6-6e685fe7ff72/bin/utaipan-verify-YMUCfTKeje/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1e19e50d-240c-422c-a0f6-6e685fe7ff72/bin/utaipan-verify-YMUCfTKeje/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1e19e50d-240c-422c-a0f6-6e685fe7ff72/bin/utaipan-verify-YMUCfTKeje/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1e19e50d-240c-422c-a0f6-6e685fe7ff72/bin/utaipan-verify-YMUCfTKeje/config/TaipanReach.xml -i ../../sv-benchmarks/c/ldv-linux-3.0/module_get_put-drivers-block-pktcdvd.ko.cil.out.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1e19e50d-240c-422c-a0f6-6e685fe7ff72/bin/utaipan-verify-YMUCfTKeje/config/svcomp-Reach-64bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1e19e50d-240c-422c-a0f6-6e685fe7ff72/bin/utaipan-verify-YMUCfTKeje --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Taipan --witnessprinter.graph.data.architecture 64bit --witnessprinter.graph.data.programhash d887b7cd16c32a4aea501b44f826f0988bb04e04576821105f06e4603a0a8d75 --- Real Ultimate output --- This is Ultimate 0.2.5-dev-a016563 [2024-11-09 07:18:38,016 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-09 07:18:38,090 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1e19e50d-240c-422c-a0f6-6e685fe7ff72/bin/utaipan-verify-YMUCfTKeje/config/svcomp-Reach-64bit-Taipan_Default.epf [2024-11-09 07:18:38,095 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-09 07:18:38,095 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-09 07:18:38,117 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-09 07:18:38,118 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-09 07:18:38,118 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-09 07:18:38,119 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-09 07:18:38,120 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-09 07:18:38,120 INFO L153 SettingsManager]: * User list type=DISABLED [2024-11-09 07:18:38,121 INFO L151 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2024-11-09 07:18:38,121 INFO L153 SettingsManager]: * Explicit value domain=true [2024-11-09 07:18:38,121 INFO L153 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2024-11-09 07:18:38,124 INFO L153 SettingsManager]: * Octagon Domain=false [2024-11-09 07:18:38,125 INFO L153 SettingsManager]: * Abstract domain=CompoundDomain [2024-11-09 07:18:38,125 INFO L153 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2024-11-09 07:18:38,126 INFO L153 SettingsManager]: * Use the RCFG-of-the-future interface=true [2024-11-09 07:18:38,126 INFO L153 SettingsManager]: * Interval Domain=false [2024-11-09 07:18:38,127 INFO L151 SettingsManager]: Preferences of Sifa differ from their defaults: [2024-11-09 07:18:38,130 INFO L153 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2024-11-09 07:18:38,130 INFO L153 SettingsManager]: * Simplification Technique=POLY_PAC [2024-11-09 07:18:38,131 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-09 07:18:38,132 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-09 07:18:38,132 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-09 07:18:38,132 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-09 07:18:38,133 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-09 07:18:38,133 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-09 07:18:38,134 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-09 07:18:38,134 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-09 07:18:38,134 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-09 07:18:38,135 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-09 07:18:38,135 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-09 07:18:38,136 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-09 07:18:38,136 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-09 07:18:38,136 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-11-09 07:18:38,137 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-09 07:18:38,137 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-09 07:18:38,138 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-09 07:18:38,138 INFO L153 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2024-11-09 07:18:38,138 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-09 07:18:38,139 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-09 07:18:38,139 INFO L153 SettingsManager]: * Trace refinement exception blacklist=NONE [2024-11-09 07:18:38,140 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-09 07:18:38,140 INFO L153 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES 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_1e19e50d-240c-422c-a0f6-6e685fe7ff72/bin/utaipan-verify-YMUCfTKeje/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1e19e50d-240c-422c-a0f6-6e685fe7ff72/bin/utaipan-verify-YMUCfTKeje Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> d887b7cd16c32a4aea501b44f826f0988bb04e04576821105f06e4603a0a8d75 [2024-11-09 07:18:38,495 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-09 07:18:38,524 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-09 07:18:38,527 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-09 07:18:38,528 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-09 07:18:38,529 INFO L274 PluginConnector]: CDTParser initialized [2024-11-09 07:18:38,531 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1e19e50d-240c-422c-a0f6-6e685fe7ff72/bin/utaipan-verify-YMUCfTKeje/../../sv-benchmarks/c/ldv-linux-3.0/module_get_put-drivers-block-pktcdvd.ko.cil.out.i Unable to find full path for "g++" [2024-11-09 07:18:40,768 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-09 07:18:41,379 INFO L384 CDTParser]: Found 1 translation units. [2024-11-09 07:18:41,380 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1e19e50d-240c-422c-a0f6-6e685fe7ff72/sv-benchmarks/c/ldv-linux-3.0/module_get_put-drivers-block-pktcdvd.ko.cil.out.i [2024-11-09 07:18:41,428 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1e19e50d-240c-422c-a0f6-6e685fe7ff72/bin/utaipan-verify-YMUCfTKeje/data/009f747c3/02b816f245144732ab72f14c299476c6/FLAGf2f766b29 [2024-11-09 07:18:41,450 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1e19e50d-240c-422c-a0f6-6e685fe7ff72/bin/utaipan-verify-YMUCfTKeje/data/009f747c3/02b816f245144732ab72f14c299476c6 [2024-11-09 07:18:41,454 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-09 07:18:41,458 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-09 07:18:41,460 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-09 07:18:41,461 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-09 07:18:41,467 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-09 07:18:41,468 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.11 07:18:41" (1/1) ... [2024-11-09 07:18:41,471 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6ee9f909 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 07:18:41, skipping insertion in model container [2024-11-09 07:18:41,471 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.11 07:18:41" (1/1) ... [2024-11-09 07:18:41,623 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-09 07:18:44,244 WARN L250 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_1e19e50d-240c-422c-a0f6-6e685fe7ff72/sv-benchmarks/c/ldv-linux-3.0/module_get_put-drivers-block-pktcdvd.ko.cil.out.i[265142,265155] [2024-11-09 07:18:44,349 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-09 07:18:44,391 INFO L200 MainTranslator]: Completed pre-run [2024-11-09 07:18:44,512 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile (".section .smp_locks,\"a\"\n.balign 4\n.long 671f - .\n.previous\n671:\n\tlock; bts %1,%0": "+m" (*((long volatile *)addr)): "Ir" (nr): "memory"); [3855] [2024-11-09 07:18:44,514 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile (".section .smp_locks,\"a\"\n.balign 4\n.long 671f - .\n.previous\n671:\n\tlock; btr %1,%0": "+m" (*((long volatile *)addr)): "Ir" (nr)); [3862] [2024-11-09 07:18:44,518 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)); [3875-3876] [2024-11-09 07:18:44,519 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("bswapl %0": "=r" (val): "0" (val)); [3883] [2024-11-09 07:18:44,521 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("movb %%gs:%P1,%0": "=q" (pfo_ret__): "p" (& current_task)); [3918] [2024-11-09 07:18:44,521 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("movw %%gs:%P1,%0": "=r" (pfo_ret__): "p" (& current_task)); [3920] [2024-11-09 07:18:44,522 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("movl %%gs:%P1,%0": "=r" (pfo_ret__): "p" (& current_task)); [3922] [2024-11-09 07:18:44,523 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("movq %%gs:%P1,%0": "=r" (pfo_ret__): "p" (& current_task)); [3925] [2024-11-09 07:18:44,525 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile (".section .smp_locks,\"a\"\n.balign 4\n.long 671f - .\n.previous\n671:\n\tlock; incl %0": "+m" (v->counter)); [3968] [2024-11-09 07:18:44,525 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile (".section .smp_locks,\"a\"\n.balign 4\n.long 671f - .\n.previous\n671:\n\tlock; decl %0": "+m" (v->counter)); [3975] [2024-11-09 07:18:44,526 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile (".section .smp_locks,\"a\"\n.balign 4\n.long 671f - .\n.previous\n671:\n\tlock; decl %0; sete %1": "+m" (v->counter), "=qm" (c): : "memory"); [3982-3983] [2024-11-09 07:18:44,527 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("movb %%gs:%P1,%0": "=q" (pfo_ret__): "p" (& kernel_stack)); [3997] [2024-11-09 07:18:44,528 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("movw %%gs:%P1,%0": "=r" (pfo_ret__): "p" (& kernel_stack)); [3999] [2024-11-09 07:18:44,528 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("movl %%gs:%P1,%0": "=r" (pfo_ret__): "p" (& kernel_stack)); [4001] [2024-11-09 07:18:44,529 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("movq %%gs:%P1,%0": "=r" (pfo_ret__): "p" (& kernel_stack)); [4004] [2024-11-09 07:18:44,552 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("": : : "memory"); [4290] [2024-11-09 07:18:44,553 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("": : : "memory"); [4299] [2024-11-09 07:18:44,553 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("": : : "memory"); [4302] [2024-11-09 07:18:44,640 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 *)"/anthill/stuff/tacas-comp/work/current--X--drivers/block/pktcdvd.ko--X--unsafelinux-3.0.1--X--08_1/linux-3.0.1/csd_deg_dscv/11/dscv_tempdir/dscv/ri/08_1/drivers/block/pktcdvd.c.p"), "i" (525), "i" (12UL)); [5198-5199] [2024-11-09 07:18:44,652 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("1:\tud2\n.pushsection __bug_table,\"a\"\n2:\t.long 1b - 2b, %c0 - 2b\n\t.word %c1, 0\n\t.org 2b+%c2\n.popsection": : "i" ((char *)"/anthill/stuff/tacas-comp/work/current--X--drivers/block/pktcdvd.ko--X--unsafelinux-3.0.1--X--08_1/linux-3.0.1/csd_deg_dscv/11/dscv_tempdir/dscv/ri/08_1/drivers/block/pktcdvd.c.p"), "i" (640), "i" (12UL)); [5437-5438] [2024-11-09 07:18:44,653 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 *)"/anthill/stuff/tacas-comp/work/current--X--drivers/block/pktcdvd.ko--X--unsafelinux-3.0.1--X--08_1/linux-3.0.1/csd_deg_dscv/11/dscv_tempdir/dscv/ri/08_1/drivers/block/pktcdvd.c.p"), "i" (652), "i" (12UL)); [5478-5479] [2024-11-09 07:18:44,659 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 *)"/anthill/stuff/tacas-comp/work/current--X--drivers/block/pktcdvd.ko--X--unsafelinux-3.0.1--X--08_1/linux-3.0.1/csd_deg_dscv/11/dscv_tempdir/dscv/ri/08_1/drivers/block/pktcdvd.c.p"), "i" (681), "i" (12UL)); [5539-5540] [2024-11-09 07:18:44,660 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 *)"/anthill/stuff/tacas-comp/work/current--X--drivers/block/pktcdvd.ko--X--unsafelinux-3.0.1--X--08_1/linux-3.0.1/csd_deg_dscv/11/dscv_tempdir/dscv/ri/08_1/drivers/block/pktcdvd.c.p"), "i" (694), "i" (12UL)); [5562-5563] [2024-11-09 07:18:44,662 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 *)"/anthill/stuff/tacas-comp/work/current--X--drivers/block/pktcdvd.ko--X--unsafelinux-3.0.1--X--08_1/linux-3.0.1/csd_deg_dscv/11/dscv_tempdir/dscv/ri/08_1/drivers/block/pktcdvd.c.p"), "i" (714), "i" (12UL)); [5600-5601] [2024-11-09 07:18:44,702 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 *)"/anthill/stuff/tacas-comp/work/current--X--drivers/block/pktcdvd.ko--X--unsafelinux-3.0.1--X--08_1/linux-3.0.1/csd_deg_dscv/11/dscv_tempdir/dscv/ri/08_1/drivers/block/pktcdvd.c.p"), "i" (1003), "i" (12UL)); [6020-6021] [2024-11-09 07:18:44,707 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 *)"/anthill/stuff/tacas-comp/work/current--X--drivers/block/pktcdvd.ko--X--unsafelinux-3.0.1--X--08_1/linux-3.0.1/csd_deg_dscv/11/dscv_tempdir/dscv/ri/08_1/drivers/block/pktcdvd.c.p"), "i" (1037), "i" (12UL)); [6090-6091] [2024-11-09 07:18:44,762 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 *)"/anthill/stuff/tacas-comp/work/current--X--drivers/block/pktcdvd.ko--X--unsafelinux-3.0.1--X--08_1/linux-3.0.1/csd_deg_dscv/11/dscv_tempdir/dscv/ri/08_1/drivers/block/pktcdvd.c.p"), "i" (1051), "i" (12UL)); [6127-6128] [2024-11-09 07:18:44,768 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 *)"/anthill/stuff/tacas-comp/work/current--X--drivers/block/pktcdvd.ko--X--unsafelinux-3.0.1--X--08_1/linux-3.0.1/csd_deg_dscv/11/dscv_tempdir/dscv/ri/08_1/drivers/block/pktcdvd.c.p"), "i" (1069), "i" (12UL)); [6167-6168] [2024-11-09 07:18:44,771 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 *)"/anthill/stuff/tacas-comp/work/current--X--drivers/block/pktcdvd.ko--X--unsafelinux-3.0.1--X--08_1/linux-3.0.1/csd_deg_dscv/11/dscv_tempdir/dscv/ri/08_1/drivers/block/pktcdvd.c.p"), "i" (1091), "i" (12UL)); [6205-6206] [2024-11-09 07:18:44,773 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 *)"/anthill/stuff/tacas-comp/work/current--X--drivers/block/pktcdvd.ko--X--unsafelinux-3.0.1--X--08_1/linux-3.0.1/csd_deg_dscv/11/dscv_tempdir/dscv/ri/08_1/drivers/block/pktcdvd.c.p"), "i" (1105), "i" (12UL)); [6227-6228] [2024-11-09 07:18:44,775 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 *)"/anthill/stuff/tacas-comp/work/current--X--drivers/block/pktcdvd.ko--X--unsafelinux-3.0.1--X--08_1/linux-3.0.1/csd_deg_dscv/11/dscv_tempdir/dscv/ri/08_1/drivers/block/pktcdvd.c.p"), "i" (1106), "i" (12UL)); [6237-6238] [2024-11-09 07:18:44,779 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 *)"/anthill/stuff/tacas-comp/work/current--X--drivers/block/pktcdvd.ko--X--unsafelinux-3.0.1--X--08_1/linux-3.0.1/csd_deg_dscv/11/dscv_tempdir/dscv/ri/08_1/drivers/block/pktcdvd.c.p"), "i" (1143), "i" (12UL)); [6293-6294] [2024-11-09 07:18:44,783 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 *)"/anthill/stuff/tacas-comp/work/current--X--drivers/block/pktcdvd.ko--X--unsafelinux-3.0.1--X--08_1/linux-3.0.1/csd_deg_dscv/11/dscv_tempdir/dscv/ri/08_1/drivers/block/pktcdvd.c.p"), "i" (1174), "i" (12UL)); [6353-6354] [2024-11-09 07:18:44,789 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 *)"/anthill/stuff/tacas-comp/work/current--X--drivers/block/pktcdvd.ko--X--unsafelinux-3.0.1--X--08_1/linux-3.0.1/csd_deg_dscv/11/dscv_tempdir/dscv/ri/08_1/drivers/block/pktcdvd.c.p"), "i" (1323), "i" (12UL)); [6498-6499] [2024-11-09 07:18:44,804 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 *)"/anthill/stuff/tacas-comp/work/current--X--drivers/block/pktcdvd.ko--X--unsafelinux-3.0.1--X--08_1/linux-3.0.1/csd_deg_dscv/11/dscv_tempdir/dscv/ri/08_1/drivers/block/pktcdvd.c.p"), "i" (1391), "i" (12UL)); [6615-6616] [2024-11-09 07:18:44,807 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 *)"/anthill/stuff/tacas-comp/work/current--X--drivers/block/pktcdvd.ko--X--unsafelinux-3.0.1--X--08_1/linux-3.0.1/csd_deg_dscv/11/dscv_tempdir/dscv/ri/08_1/drivers/block/pktcdvd.c.p"), "i" (1392), "i" (12UL)); [6625-6626] [2024-11-09 07:18:44,808 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 *)"/anthill/stuff/tacas-comp/work/current--X--drivers/block/pktcdvd.ko--X--unsafelinux-3.0.1--X--08_1/linux-3.0.1/csd_deg_dscv/11/dscv_tempdir/dscv/ri/08_1/drivers/block/pktcdvd.c.p"), "i" (1399), "i" (12UL)); [6643-6644] [2024-11-09 07:18:44,811 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 *)"/anthill/stuff/tacas-comp/work/current--X--drivers/block/pktcdvd.ko--X--unsafelinux-3.0.1--X--08_1/linux-3.0.1/csd_deg_dscv/11/dscv_tempdir/dscv/ri/08_1/drivers/block/pktcdvd.c.p"), "i" (1419), "i" (12UL)); [6690-6691] [2024-11-09 07:18:44,815 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 *)"/anthill/stuff/tacas-comp/work/current--X--drivers/block/pktcdvd.ko--X--unsafelinux-3.0.1--X--08_1/linux-3.0.1/csd_deg_dscv/11/dscv_tempdir/dscv/ri/08_1/drivers/block/pktcdvd.c.p"), "i" (1439), "i" (12UL)); [6730-6731] [2024-11-09 07:18:44,825 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 *)"/anthill/stuff/tacas-comp/work/current--X--drivers/block/pktcdvd.ko--X--unsafelinux-3.0.1--X--08_1/linux-3.0.1/csd_deg_dscv/11/dscv_tempdir/dscv/ri/08_1/drivers/block/pktcdvd.c.p"), "i" (1513), "i" (12UL)); [6886-6887] [2024-11-09 07:18:44,836 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("xchgb %0,%1": "=q" (__x), "+m" (*__ptr): "0" (__x): "memory"); [7070] [2024-11-09 07:18:44,837 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("xchgw %0,%1": "=r" (__x), "+m" (*__ptr___0): "0" (__x): "memory"); [7076] [2024-11-09 07:18:44,837 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("xchgl %0,%1": "=r" (__x), "+m" (*__ptr___1): "0" (__x): "memory"); [7082] [2024-11-09 07:18:44,838 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("xchgq %0,%1": "=r" (__x), "+m" (*__ptr___2): "0" (__x): "memory"); [7089] [2024-11-09 07:18:44,843 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("xchgb %0,%1": "=q" (__x___0), "+m" (*__ptr___3): "0" (__x___0): "memory"); [7204] [2024-11-09 07:18:44,844 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("xchgw %0,%1": "=r" (__x___0), "+m" (*__ptr___4): "0" (__x___0): "memory"); [7210] [2024-11-09 07:18:44,844 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("xchgl %0,%1": "=r" (__x___0), "+m" (*__ptr___5): "0" (__x___0): "memory"); [7216] [2024-11-09 07:18:44,845 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("xchgq %0,%1": "=r" (__x___0), "+m" (*__ptr___6): "0" (__x___0): "memory"); [7223] [2024-11-09 07:18:44,940 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 *)"/anthill/stuff/tacas-comp/work/current--X--drivers/block/pktcdvd.ko--X--unsafelinux-3.0.1--X--08_1/linux-3.0.1/csd_deg_dscv/11/dscv_tempdir/dscv/ri/08_1/drivers/block/pktcdvd.c.p"), "i" (2392), "i" (12UL)); [8280-8281] [2024-11-09 07:18:44,944 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 *)"/anthill/stuff/tacas-comp/work/current--X--drivers/block/pktcdvd.ko--X--unsafelinux-3.0.1--X--08_1/linux-3.0.1/csd_deg_dscv/11/dscv_tempdir/dscv/ri/08_1/drivers/block/pktcdvd.c.p"), "i" (2433), "i" (12UL)); [8344-8345] [2024-11-09 07:18:44,960 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 *)"/anthill/stuff/tacas-comp/work/current--X--drivers/block/pktcdvd.ko--X--unsafelinux-3.0.1--X--08_1/linux-3.0.1/csd_deg_dscv/11/dscv_tempdir/dscv/ri/08_1/drivers/block/pktcdvd.c.p"), "i" (2513), "i" (12UL)); [8465-8466] [2024-11-09 07:18:44,961 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 *)"/anthill/stuff/tacas-comp/work/current--X--drivers/block/pktcdvd.ko--X--unsafelinux-3.0.1--X--08_1/linux-3.0.1/csd_deg_dscv/11/dscv_tempdir/dscv/ri/08_1/drivers/block/pktcdvd.c.p"), "i" (2516), "i" (12UL)); [8478-8479] [2024-11-09 07:18:44,966 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 *)"/anthill/stuff/tacas-comp/work/current--X--drivers/block/pktcdvd.ko--X--unsafelinux-3.0.1--X--08_1/linux-3.0.1/csd_deg_dscv/11/dscv_tempdir/dscv/ri/08_1/drivers/block/pktcdvd.c.p"), "i" (2576), "i" (12UL)); [8579-8580] [2024-11-09 07:18:44,972 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 *)"/anthill/stuff/tacas-comp/work/current--X--drivers/block/pktcdvd.ko--X--unsafelinux-3.0.1--X--08_1/linux-3.0.1/csd_deg_dscv/11/dscv_tempdir/dscv/ri/08_1/drivers/block/pktcdvd.c.p"), "i" (2619), "i" (12UL)); [8646-8647] [2024-11-09 07:18:45,062 WARN L250 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_1e19e50d-240c-422c-a0f6-6e685fe7ff72/sv-benchmarks/c/ldv-linux-3.0/module_get_put-drivers-block-pktcdvd.ko.cil.out.i[265142,265155] [2024-11-09 07:18:45,083 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-09 07:18:45,237 INFO L204 MainTranslator]: Completed translation [2024-11-09 07:18:45,238 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 07:18:45 WrapperNode [2024-11-09 07:18:45,238 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-09 07:18:45,239 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-09 07:18:45,240 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-09 07:18:45,240 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-09 07:18:45,251 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 07:18:45" (1/1) ... [2024-11-09 07:18:45,462 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 07:18:45" (1/1) ... [2024-11-09 07:18:45,683 INFO L138 Inliner]: procedures = 309, calls = 2561, calls flagged for inlining = 144, calls inlined = 94, statements flattened = 4467 [2024-11-09 07:18:45,684 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-09 07:18:45,685 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-09 07:18:45,685 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-09 07:18:45,686 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-09 07:18:45,698 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 07:18:45" (1/1) ... [2024-11-09 07:18:45,699 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 07:18:45" (1/1) ... [2024-11-09 07:18:45,741 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 07:18:45" (1/1) ... [2024-11-09 07:18:45,742 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 07:18:45" (1/1) ... [2024-11-09 07:18:45,882 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 07:18:45" (1/1) ... [2024-11-09 07:18:45,916 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 07:18:45" (1/1) ... [2024-11-09 07:18:45,958 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 07:18:45" (1/1) ... [2024-11-09 07:18:45,981 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 07:18:45" (1/1) ... [2024-11-09 07:18:46,028 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-09 07:18:46,029 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-09 07:18:46,030 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-09 07:18:46,031 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-09 07:18:46,032 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 07:18:45" (1/1) ... [2024-11-09 07:18:46,040 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-11-09 07:18:46,054 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1e19e50d-240c-422c-a0f6-6e685fe7ff72/bin/utaipan-verify-YMUCfTKeje/z3 [2024-11-09 07:18:46,078 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1e19e50d-240c-422c-a0f6-6e685fe7ff72/bin/utaipan-verify-YMUCfTKeje/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2024-11-09 07:18:46,081 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1e19e50d-240c-422c-a0f6-6e685fe7ff72/bin/utaipan-verify-YMUCfTKeje/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2024-11-09 07:18:46,119 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_set [2024-11-09 07:18:46,119 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_set [2024-11-09 07:18:46,120 INFO L130 BoogieDeclarations]: Found specification of procedure __fswab32 [2024-11-09 07:18:46,120 INFO L138 BoogieDeclarations]: Found implementation of procedure __fswab32 [2024-11-09 07:18:46,121 INFO L130 BoogieDeclarations]: Found specification of procedure pkt_ctl_ioctl [2024-11-09 07:18:46,121 INFO L138 BoogieDeclarations]: Found implementation of procedure pkt_ctl_ioctl [2024-11-09 07:18:46,121 INFO L130 BoogieDeclarations]: Found specification of procedure pkt_kobj_release [2024-11-09 07:18:46,122 INFO L138 BoogieDeclarations]: Found implementation of procedure pkt_kobj_release [2024-11-09 07:18:46,122 INFO L130 BoogieDeclarations]: Found specification of procedure bdev_get_queue [2024-11-09 07:18:46,122 INFO L138 BoogieDeclarations]: Found implementation of procedure bdev_get_queue [2024-11-09 07:18:46,124 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2024-11-09 07:18:46,124 INFO L130 BoogieDeclarations]: Found specification of procedure pkt_get_disc_info [2024-11-09 07:18:46,124 INFO L138 BoogieDeclarations]: Found implementation of procedure pkt_get_disc_info [2024-11-09 07:18:46,124 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2024-11-09 07:18:46,125 INFO L130 BoogieDeclarations]: Found specification of procedure pkt_bio_alloc [2024-11-09 07:18:46,125 INFO L138 BoogieDeclarations]: Found implementation of procedure pkt_bio_alloc [2024-11-09 07:18:46,125 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2024-11-09 07:18:46,125 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2024-11-09 07:18:46,125 INFO L130 BoogieDeclarations]: Found specification of procedure pkt_setup_dev [2024-11-09 07:18:46,125 INFO L138 BoogieDeclarations]: Found implementation of procedure pkt_setup_dev [2024-11-09 07:18:46,125 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_module_put [2024-11-09 07:18:46,125 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_module_put [2024-11-09 07:18:46,126 INFO L130 BoogieDeclarations]: Found specification of procedure bdget [2024-11-09 07:18:46,126 INFO L138 BoogieDeclarations]: Found implementation of procedure bdget [2024-11-09 07:18:46,129 INFO L130 BoogieDeclarations]: Found specification of procedure pkt_set_speed [2024-11-09 07:18:46,130 INFO L138 BoogieDeclarations]: Found implementation of procedure pkt_set_speed [2024-11-09 07:18:46,130 INFO L130 BoogieDeclarations]: Found specification of procedure bdevname [2024-11-09 07:18:46,130 INFO L138 BoogieDeclarations]: Found implementation of procedure bdevname [2024-11-09 07:18:46,130 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_unlock [2024-11-09 07:18:46,131 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_unlock [2024-11-09 07:18:46,131 INFO L130 BoogieDeclarations]: Found specification of procedure pkt_shrink_pktlist [2024-11-09 07:18:46,131 INFO L138 BoogieDeclarations]: Found implementation of procedure pkt_shrink_pktlist [2024-11-09 07:18:46,131 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_return_value [2024-11-09 07:18:46,131 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_return_value [2024-11-09 07:18:46,131 INFO L130 BoogieDeclarations]: Found specification of procedure set_capacity [2024-11-09 07:18:46,131 INFO L138 BoogieDeclarations]: Found implementation of procedure set_capacity [2024-11-09 07:18:46,131 INFO L130 BoogieDeclarations]: Found specification of procedure clear_bit [2024-11-09 07:18:46,132 INFO L138 BoogieDeclarations]: Found implementation of procedure clear_bit [2024-11-09 07:18:46,132 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2024-11-09 07:18:46,132 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2024-11-09 07:18:46,132 INFO L130 BoogieDeclarations]: Found specification of procedure blkdev_put [2024-11-09 07:18:46,132 INFO L138 BoogieDeclarations]: Found implementation of procedure blkdev_put [2024-11-09 07:18:46,132 INFO L130 BoogieDeclarations]: Found specification of procedure new_encode_dev [2024-11-09 07:18:46,132 INFO L138 BoogieDeclarations]: Found implementation of procedure new_encode_dev [2024-11-09 07:18:46,132 INFO L130 BoogieDeclarations]: Found specification of procedure spinlock_check [2024-11-09 07:18:46,132 INFO L138 BoogieDeclarations]: Found implementation of procedure spinlock_check [2024-11-09 07:18:46,133 INFO L130 BoogieDeclarations]: Found specification of procedure pkt_mode_select [2024-11-09 07:18:46,133 INFO L138 BoogieDeclarations]: Found implementation of procedure pkt_mode_select [2024-11-09 07:18:46,133 INFO L130 BoogieDeclarations]: Found specification of procedure pkt_kobj_remove [2024-11-09 07:18:46,133 INFO L138 BoogieDeclarations]: Found implementation of procedure pkt_kobj_remove [2024-11-09 07:18:46,133 INFO L130 BoogieDeclarations]: Found specification of procedure __kmalloc [2024-11-09 07:18:46,134 INFO L138 BoogieDeclarations]: Found implementation of procedure __kmalloc [2024-11-09 07:18:46,134 INFO L130 BoogieDeclarations]: Found specification of procedure pkt_debugfs_cleanup [2024-11-09 07:18:46,134 INFO L138 BoogieDeclarations]: Found implementation of procedure pkt_debugfs_cleanup [2024-11-09 07:18:46,134 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2024-11-09 07:18:46,134 INFO L130 BoogieDeclarations]: Found specification of procedure INIT_LIST_HEAD [2024-11-09 07:18:46,134 INFO L138 BoogieDeclarations]: Found implementation of procedure INIT_LIST_HEAD [2024-11-09 07:18:46,134 INFO L130 BoogieDeclarations]: Found specification of procedure bio_init [2024-11-09 07:18:46,134 INFO L138 BoogieDeclarations]: Found implementation of procedure bio_init [2024-11-09 07:18:46,134 INFO L130 BoogieDeclarations]: Found specification of procedure set_blocksize [2024-11-09 07:18:46,134 INFO L138 BoogieDeclarations]: Found implementation of procedure set_blocksize [2024-11-09 07:18:46,135 INFO L130 BoogieDeclarations]: Found specification of procedure pkt_dump_sense [2024-11-09 07:18:46,135 INFO L138 BoogieDeclarations]: Found implementation of procedure pkt_dump_sense [2024-11-09 07:18:46,135 INFO L130 BoogieDeclarations]: Found specification of procedure mempool_create_kmalloc_pool [2024-11-09 07:18:46,135 INFO L138 BoogieDeclarations]: Found implementation of procedure mempool_create_kmalloc_pool [2024-11-09 07:18:46,135 INFO L130 BoogieDeclarations]: Found specification of procedure mempool_destroy [2024-11-09 07:18:46,135 INFO L138 BoogieDeclarations]: Found implementation of procedure mempool_destroy [2024-11-09 07:18:46,135 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2024-11-09 07:18:46,135 INFO L130 BoogieDeclarations]: Found specification of procedure remove_proc_entry [2024-11-09 07:18:46,135 INFO L138 BoogieDeclarations]: Found implementation of procedure remove_proc_entry [2024-11-09 07:18:46,136 INFO L130 BoogieDeclarations]: Found specification of procedure pkt_lock_door [2024-11-09 07:18:46,136 INFO L138 BoogieDeclarations]: Found implementation of procedure pkt_lock_door [2024-11-09 07:18:46,136 INFO L130 BoogieDeclarations]: Found specification of procedure blkdev_get [2024-11-09 07:18:46,136 INFO L138 BoogieDeclarations]: Found implementation of procedure blkdev_get [2024-11-09 07:18:46,136 INFO L130 BoogieDeclarations]: Found specification of procedure pkt_remove_dev [2024-11-09 07:18:46,136 INFO L138 BoogieDeclarations]: Found implementation of procedure pkt_remove_dev [2024-11-09 07:18:46,136 INFO L130 BoogieDeclarations]: Found specification of procedure __free_pages [2024-11-09 07:18:46,136 INFO L138 BoogieDeclarations]: Found implementation of procedure __free_pages [2024-11-09 07:18:46,136 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_blast_assert [2024-11-09 07:18:46,137 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_blast_assert [2024-11-09 07:18:46,137 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-11-09 07:18:46,140 INFO L130 BoogieDeclarations]: Found specification of procedure bio_put [2024-11-09 07:18:46,141 INFO L138 BoogieDeclarations]: Found implementation of procedure bio_put [2024-11-09 07:18:46,141 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2024-11-09 07:18:46,141 INFO L130 BoogieDeclarations]: Found specification of procedure might_fault [2024-11-09 07:18:46,141 INFO L138 BoogieDeclarations]: Found implementation of procedure might_fault [2024-11-09 07:18:46,141 INFO L130 BoogieDeclarations]: Found specification of procedure printk [2024-11-09 07:18:46,142 INFO L138 BoogieDeclarations]: Found implementation of procedure printk [2024-11-09 07:18:46,142 INFO L130 BoogieDeclarations]: Found specification of procedure capable [2024-11-09 07:18:46,142 INFO L138 BoogieDeclarations]: Found implementation of procedure capable [2024-11-09 07:18:46,142 INFO L130 BoogieDeclarations]: Found specification of procedure debugfs_remove [2024-11-09 07:18:46,142 INFO L138 BoogieDeclarations]: Found implementation of procedure debugfs_remove [2024-11-09 07:18:46,143 INFO L130 BoogieDeclarations]: Found specification of procedure debugfs_create_dir [2024-11-09 07:18:46,144 INFO L138 BoogieDeclarations]: Found implementation of procedure debugfs_create_dir [2024-11-09 07:18:46,144 INFO L130 BoogieDeclarations]: Found specification of procedure kzalloc [2024-11-09 07:18:46,144 INFO L138 BoogieDeclarations]: Found implementation of procedure kzalloc [2024-11-09 07:18:46,145 INFO L130 BoogieDeclarations]: Found specification of procedure kmalloc [2024-11-09 07:18:46,146 INFO L138 BoogieDeclarations]: Found implementation of procedure kmalloc [2024-11-09 07:18:46,146 INFO L130 BoogieDeclarations]: Found specification of procedure __fswab16 [2024-11-09 07:18:46,146 INFO L138 BoogieDeclarations]: Found implementation of procedure __fswab16 [2024-11-09 07:18:46,146 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_lock_nested [2024-11-09 07:18:46,146 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_lock_nested [2024-11-09 07:18:46,146 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock [2024-11-09 07:18:46,147 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock [2024-11-09 07:18:46,147 INFO L130 BoogieDeclarations]: Found specification of procedure pkt_sysfs_cleanup [2024-11-09 07:18:46,148 INFO L138 BoogieDeclarations]: Found implementation of procedure pkt_sysfs_cleanup [2024-11-09 07:18:46,149 INFO L130 BoogieDeclarations]: Found specification of procedure bio_list_init [2024-11-09 07:18:46,149 INFO L138 BoogieDeclarations]: Found implementation of procedure bio_list_init [2024-11-09 07:18:46,149 INFO L130 BoogieDeclarations]: Found specification of procedure pkt_find_dev_from_minor [2024-11-09 07:18:46,149 INFO L138 BoogieDeclarations]: Found implementation of procedure pkt_find_dev_from_minor [2024-11-09 07:18:46,149 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int [2024-11-09 07:18:46,149 INFO L130 BoogieDeclarations]: Found specification of procedure _copy_from_user [2024-11-09 07:18:46,149 INFO L138 BoogieDeclarations]: Found implementation of procedure _copy_from_user [2024-11-09 07:18:46,150 INFO L130 BoogieDeclarations]: Found specification of procedure __raw_spin_lock_init [2024-11-09 07:18:46,150 INFO L138 BoogieDeclarations]: Found implementation of procedure __raw_spin_lock_init [2024-11-09 07:18:46,150 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~int~TO~int [2024-11-09 07:18:46,150 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~int~TO~int [2024-11-09 07:18:46,150 INFO L130 BoogieDeclarations]: Found specification of procedure init_write_congestion_marks [2024-11-09 07:18:46,150 INFO L138 BoogieDeclarations]: Found implementation of procedure init_write_congestion_marks [2024-11-09 07:18:46,151 INFO L130 BoogieDeclarations]: Found specification of procedure list_empty [2024-11-09 07:18:46,151 INFO L138 BoogieDeclarations]: Found implementation of procedure list_empty [2024-11-09 07:18:46,151 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2024-11-09 07:18:46,151 INFO L130 BoogieDeclarations]: Found specification of procedure pkt_get_track_info [2024-11-09 07:18:46,152 INFO L138 BoogieDeclarations]: Found implementation of procedure pkt_get_track_info [2024-11-09 07:18:46,152 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2024-11-09 07:18:46,152 INFO L130 BoogieDeclarations]: Found specification of procedure single_open [2024-11-09 07:18:46,152 INFO L138 BoogieDeclarations]: Found implementation of procedure single_open [2024-11-09 07:18:46,152 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy [2024-11-09 07:18:46,152 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy [2024-11-09 07:18:46,153 INFO L130 BoogieDeclarations]: Found specification of procedure new_decode_dev [2024-11-09 07:18:46,153 INFO L138 BoogieDeclarations]: Found implementation of procedure new_decode_dev [2024-11-09 07:18:46,153 INFO L130 BoogieDeclarations]: Found specification of procedure constant_test_bit [2024-11-09 07:18:46,153 INFO L138 BoogieDeclarations]: Found implementation of procedure constant_test_bit [2024-11-09 07:18:46,153 INFO L130 BoogieDeclarations]: Found specification of procedure pkt_kobj_create [2024-11-09 07:18:46,153 INFO L138 BoogieDeclarations]: Found implementation of procedure pkt_kobj_create [2024-11-09 07:18:46,154 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2024-11-09 07:18:46,154 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree [2024-11-09 07:18:46,154 INFO L130 BoogieDeclarations]: Found specification of procedure unregister_blkdev [2024-11-09 07:18:46,154 INFO L138 BoogieDeclarations]: Found implementation of procedure unregister_blkdev [2024-11-09 07:18:46,155 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2024-11-09 07:18:46,155 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2024-11-09 07:18:46,155 INFO L130 BoogieDeclarations]: Found specification of procedure __list_add [2024-11-09 07:18:46,155 INFO L138 BoogieDeclarations]: Found implementation of procedure __list_add [2024-11-09 07:18:46,156 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-09 07:18:46,156 INFO L130 BoogieDeclarations]: Found specification of procedure kobject_put [2024-11-09 07:18:46,156 INFO L138 BoogieDeclarations]: Found implementation of procedure kobject_put [2024-11-09 07:18:46,156 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2024-11-09 07:18:46,156 INFO L130 BoogieDeclarations]: Found specification of procedure blk_cleanup_queue [2024-11-09 07:18:46,157 INFO L138 BoogieDeclarations]: Found implementation of procedure blk_cleanup_queue [2024-11-09 07:18:46,157 INFO L130 BoogieDeclarations]: Found specification of procedure queue_max_segments [2024-11-09 07:18:46,157 INFO L138 BoogieDeclarations]: Found implementation of procedure queue_max_segments [2024-11-09 07:18:46,157 INFO L130 BoogieDeclarations]: Found specification of procedure pkt_check_events [2024-11-09 07:18:46,157 INFO L138 BoogieDeclarations]: Found implementation of procedure pkt_check_events [2024-11-09 07:18:46,157 INFO L130 BoogieDeclarations]: Found specification of procedure init_cdrom_command [2024-11-09 07:18:46,157 INFO L138 BoogieDeclarations]: Found implementation of procedure init_cdrom_command [2024-11-09 07:18:46,157 INFO L130 BoogieDeclarations]: Found specification of procedure list_add [2024-11-09 07:18:46,158 INFO L138 BoogieDeclarations]: Found implementation of procedure list_add [2024-11-09 07:18:46,158 INFO L130 BoogieDeclarations]: Found specification of procedure pkt_mode_sense [2024-11-09 07:18:46,158 INFO L138 BoogieDeclarations]: Found implementation of procedure pkt_mode_sense [2024-11-09 07:18:46,158 INFO L130 BoogieDeclarations]: Found specification of procedure put_disk [2024-11-09 07:18:46,158 INFO L138 BoogieDeclarations]: Found implementation of procedure put_disk [2024-11-09 07:18:46,158 INFO L130 BoogieDeclarations]: Found specification of procedure pkt_generic_packet [2024-11-09 07:18:46,158 INFO L138 BoogieDeclarations]: Found implementation of procedure pkt_generic_packet [2024-11-09 07:18:46,158 INFO L130 BoogieDeclarations]: Found specification of procedure spin_lock [2024-11-09 07:18:46,158 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_lock [2024-11-09 07:18:46,159 INFO L130 BoogieDeclarations]: Found specification of procedure set_bit [2024-11-09 07:18:46,159 INFO L138 BoogieDeclarations]: Found implementation of procedure set_bit [2024-11-09 07:18:46,159 INFO L130 BoogieDeclarations]: Found specification of procedure blk_queue_max_hw_sectors [2024-11-09 07:18:46,159 INFO L138 BoogieDeclarations]: Found implementation of procedure blk_queue_max_hw_sectors [2024-11-09 07:18:46,159 INFO L130 BoogieDeclarations]: Found specification of procedure pkt_flush_cache [2024-11-09 07:18:46,159 INFO L138 BoogieDeclarations]: Found implementation of procedure pkt_flush_cache [2024-11-09 07:18:46,159 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-11-09 07:18:46,159 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-09 07:18:46,159 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-09 07:18:46,160 INFO L130 BoogieDeclarations]: Found specification of procedure IS_ERR [2024-11-09 07:18:46,160 INFO L138 BoogieDeclarations]: Found implementation of procedure IS_ERR [2024-11-09 07:18:47,087 INFO L238 CfgBuilder]: Building ICFG [2024-11-09 07:18:47,091 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-09 07:18:47,267 WARN L781 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2024-11-09 07:18:47,459 INFO L735 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##21: assume !false; [2024-11-09 07:18:47,460 INFO L735 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##20: assume false; [2024-11-09 07:18:49,472 WARN L781 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2024-11-09 07:18:49,481 WARN L781 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2024-11-09 07:18:49,483 WARN L781 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2024-11-09 07:18:49,485 WARN L781 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2024-11-09 07:18:49,490 WARN L781 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2024-11-09 07:18:49,493 WARN L781 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2024-11-09 07:18:49,499 WARN L781 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2024-11-09 07:18:56,956 INFO L735 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##201: assume !false; [2024-11-09 07:18:56,956 INFO L735 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##200: assume false; [2024-11-09 07:18:56,956 INFO L735 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##268: assume !false; [2024-11-09 07:18:56,956 INFO L735 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##267: assume false; [2024-11-09 07:18:56,957 INFO L735 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##225: assume !false; [2024-11-09 07:18:56,957 INFO L735 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##224: assume false; [2024-11-09 07:18:56,957 INFO L735 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##489: assume !false; [2024-11-09 07:18:56,957 INFO L735 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##488: assume false; [2024-11-09 07:18:56,957 INFO L735 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##45: assume !false; [2024-11-09 07:18:56,957 INFO L735 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##44: assume false; [2024-11-09 07:18:56,957 INFO L735 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##397: assume !false; [2024-11-09 07:18:56,957 INFO L735 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##396: assume false; [2024-11-09 07:18:56,957 INFO L735 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##366: assume !false; [2024-11-09 07:18:56,958 INFO L735 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##365: assume false; [2024-11-09 07:18:57,779 INFO L? ?]: Removed 1510 outVars from TransFormulas that were not future-live. [2024-11-09 07:18:57,779 INFO L287 CfgBuilder]: Performing block encoding [2024-11-09 07:18:59,156 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-09 07:18:59,157 INFO L316 CfgBuilder]: Removed 10 assume(true) statements. [2024-11-09 07:18:59,157 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.11 07:18:59 BoogieIcfgContainer [2024-11-09 07:18:59,157 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-09 07:18:59,163 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-09 07:18:59,163 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-09 07:18:59,167 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-09 07:18:59,167 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 09.11 07:18:41" (1/3) ... [2024-11-09 07:18:59,168 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@544db8d2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 09.11 07:18:59, skipping insertion in model container [2024-11-09 07:18:59,168 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 07:18:45" (2/3) ... [2024-11-09 07:18:59,169 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@544db8d2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 09.11 07:18:59, skipping insertion in model container [2024-11-09 07:18:59,169 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.11 07:18:59" (3/3) ... [2024-11-09 07:18:59,172 INFO L112 eAbstractionObserver]: Analyzing ICFG module_get_put-drivers-block-pktcdvd.ko.cil.out.i [2024-11-09 07:18:59,194 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-09 07:18:59,194 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2024-11-09 07:18:59,352 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-09 07:18:59,363 INFO L333 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, mAutomataTypeConcurrency=FINITE_AUTOMATA, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopHeads, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mPorIndependenceSettings=[Lde.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings;@51fb418c, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-09 07:18:59,363 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-11-09 07:18:59,379 INFO L276 IsEmpty]: Start isEmpty. Operand has 1075 states, 683 states have (on average 1.3455344070278183) internal successors, (919), 703 states have internal predecessors, (919), 310 states have call successors, (310), 80 states have call predecessors, (310), 80 states have return successors, (310), 307 states have call predecessors, (310), 310 states have call successors, (310) [2024-11-09 07:18:59,395 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2024-11-09 07:18:59,395 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 07:18:59,397 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-09 07:18:59,398 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ldv_blast_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_blast_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-09 07:18:59,406 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 07:18:59,406 INFO L85 PathProgramCache]: Analyzing trace with hash -1509632821, now seen corresponding path program 1 times [2024-11-09 07:18:59,421 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2024-11-09 07:18:59,422 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1550186463] [2024-11-09 07:18:59,426 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 07:18:59,427 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 07:19:09,468 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 07:19:10,308 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-09 07:19:10,308 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2024-11-09 07:19:10,309 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1550186463] [2024-11-09 07:19:10,310 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1550186463] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 07:19:10,310 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-09 07:19:10,310 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-09 07:19:10,313 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [238047754] [2024-11-09 07:19:10,314 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 07:19:10,319 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-09 07:19:10,320 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2024-11-09 07:19:10,354 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-09 07:19:10,355 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-09 07:19:10,360 INFO L87 Difference]: Start difference. First operand has 1075 states, 683 states have (on average 1.3455344070278183) internal successors, (919), 703 states have internal predecessors, (919), 310 states have call successors, (310), 80 states have call predecessors, (310), 80 states have return successors, (310), 307 states have call predecessors, (310), 310 states have call successors, (310) Second operand has 3 states, 3 states have (on average 4.333333333333333) internal successors, (13), 3 states have internal predecessors, (13), 3 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2024-11-09 07:19:12,567 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.17s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-09 07:19:16,435 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 07:19:16,436 INFO L93 Difference]: Finished difference Result 3126 states and 4482 transitions. [2024-11-09 07:19:16,438 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-09 07:19:16,440 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 4.333333333333333) internal successors, (13), 3 states have internal predecessors, (13), 3 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) Word has length 18 [2024-11-09 07:19:16,440 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 07:19:16,480 INFO L225 Difference]: With dead ends: 3126 [2024-11-09 07:19:16,480 INFO L226 Difference]: Without dead ends: 2064 [2024-11-09 07:19:16,500 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-09 07:19:16,507 INFO L432 NwaCegarLoop]: 1359 mSDtfsCounter, 1484 mSDsluCounter, 1309 mSDsCounter, 0 mSdLazyCounter, 347 mSolverCounterSat, 2 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 5.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1484 SdHoareTripleChecker+Valid, 2668 SdHoareTripleChecker+Invalid, 350 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 347 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 5.7s IncrementalHoareTripleChecker+Time [2024-11-09 07:19:16,508 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1484 Valid, 2668 Invalid, 350 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 347 Invalid, 1 Unknown, 0 Unchecked, 5.7s Time] [2024-11-09 07:19:16,542 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2064 states. [2024-11-09 07:19:16,805 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2064 to 2061. [2024-11-09 07:19:16,811 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2061 states, 1315 states have (on average 1.3376425855513308) internal successors, (1759), 1348 states have internal predecessors, (1759), 588 states have call successors, (588), 158 states have call predecessors, (588), 157 states have return successors, (589), 580 states have call predecessors, (589), 586 states have call successors, (589) [2024-11-09 07:19:16,831 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2061 states to 2061 states and 2936 transitions. [2024-11-09 07:19:16,838 INFO L78 Accepts]: Start accepts. Automaton has 2061 states and 2936 transitions. Word has length 18 [2024-11-09 07:19:16,839 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 07:19:16,839 INFO L471 AbstractCegarLoop]: Abstraction has 2061 states and 2936 transitions. [2024-11-09 07:19:16,839 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 4.333333333333333) internal successors, (13), 3 states have internal predecessors, (13), 3 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2024-11-09 07:19:16,840 INFO L276 IsEmpty]: Start isEmpty. Operand 2061 states and 2936 transitions. [2024-11-09 07:19:16,851 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 112 [2024-11-09 07:19:16,852 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 07:19:16,852 INFO L215 NwaCegarLoop]: trace histogram [2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-09 07:19:16,852 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-11-09 07:19:16,853 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ldv_blast_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_blast_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-09 07:19:16,853 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 07:19:16,854 INFO L85 PathProgramCache]: Analyzing trace with hash 214644571, now seen corresponding path program 1 times [2024-11-09 07:19:16,854 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2024-11-09 07:19:16,854 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [239728715] [2024-11-09 07:19:16,854 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 07:19:16,854 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 07:19:26,522 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 07:19:27,756 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-11-09 07:19:27,756 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2024-11-09 07:19:27,756 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [239728715] [2024-11-09 07:19:27,757 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [239728715] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 07:19:27,757 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-09 07:19:27,757 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-09 07:19:27,757 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [17697542] [2024-11-09 07:19:27,757 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 07:19:27,761 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-09 07:19:27,761 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2024-11-09 07:19:27,762 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-09 07:19:27,763 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-09 07:19:27,763 INFO L87 Difference]: Start difference. First operand 2061 states and 2936 transitions. Second operand has 4 states, 4 states have (on average 18.0) internal successors, (72), 4 states have internal predecessors, (72), 2 states have call successors, (20), 2 states have call predecessors, (20), 1 states have return successors, (16), 2 states have call predecessors, (16), 2 states have call successors, (16) [2024-11-09 07:19:29,869 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.10s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-09 07:19:32,031 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.16s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-09 07:19:34,252 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.22s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-09 07:19:39,490 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 07:19:39,491 INFO L93 Difference]: Finished difference Result 4082 states and 5814 transitions. [2024-11-09 07:19:39,491 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-09 07:19:39,492 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 18.0) internal successors, (72), 4 states have internal predecessors, (72), 2 states have call successors, (20), 2 states have call predecessors, (20), 1 states have return successors, (16), 2 states have call predecessors, (16), 2 states have call successors, (16) Word has length 111 [2024-11-09 07:19:39,492 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 07:19:39,508 INFO L225 Difference]: With dead ends: 4082 [2024-11-09 07:19:39,508 INFO L226 Difference]: Without dead ends: 2061 [2024-11-09 07:19:39,517 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-09 07:19:39,519 INFO L432 NwaCegarLoop]: 1350 mSDtfsCounter, 0 mSDsluCounter, 2697 mSDsCounter, 0 mSdLazyCounter, 521 mSolverCounterSat, 0 mSolverCounterUnsat, 3 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 10.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 4047 SdHoareTripleChecker+Invalid, 524 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 521 IncrementalHoareTripleChecker+Invalid, 3 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 11.6s IncrementalHoareTripleChecker+Time [2024-11-09 07:19:39,521 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 4047 Invalid, 524 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 521 Invalid, 3 Unknown, 0 Unchecked, 11.6s Time] [2024-11-09 07:19:39,527 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2061 states. [2024-11-09 07:19:39,617 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2061 to 2061. [2024-11-09 07:19:39,621 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2061 states, 1315 states have (on average 1.3368821292775666) internal successors, (1758), 1348 states have internal predecessors, (1758), 588 states have call successors, (588), 158 states have call predecessors, (588), 157 states have return successors, (589), 580 states have call predecessors, (589), 586 states have call successors, (589) [2024-11-09 07:19:39,634 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2061 states to 2061 states and 2935 transitions. [2024-11-09 07:19:39,638 INFO L78 Accepts]: Start accepts. Automaton has 2061 states and 2935 transitions. Word has length 111 [2024-11-09 07:19:39,638 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 07:19:39,638 INFO L471 AbstractCegarLoop]: Abstraction has 2061 states and 2935 transitions. [2024-11-09 07:19:39,639 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 18.0) internal successors, (72), 4 states have internal predecessors, (72), 2 states have call successors, (20), 2 states have call predecessors, (20), 1 states have return successors, (16), 2 states have call predecessors, (16), 2 states have call successors, (16) [2024-11-09 07:19:39,639 INFO L276 IsEmpty]: Start isEmpty. Operand 2061 states and 2935 transitions. [2024-11-09 07:19:39,646 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 122 [2024-11-09 07:19:39,648 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 07:19:39,649 INFO L215 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-09 07:19:39,649 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-11-09 07:19:39,649 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ldv_blast_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_blast_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-09 07:19:39,649 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 07:19:39,650 INFO L85 PathProgramCache]: Analyzing trace with hash 832735652, now seen corresponding path program 1 times [2024-11-09 07:19:39,650 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2024-11-09 07:19:39,650 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [673649942] [2024-11-09 07:19:39,650 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 07:19:39,650 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 07:19:48,091 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 07:19:48,956 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2024-11-09 07:19:48,956 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2024-11-09 07:19:48,957 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [673649942] [2024-11-09 07:19:48,957 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [673649942] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 07:19:48,957 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-09 07:19:48,957 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-09 07:19:48,957 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1578138092] [2024-11-09 07:19:48,957 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 07:19:48,958 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-09 07:19:48,958 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2024-11-09 07:19:48,959 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-09 07:19:48,960 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-09 07:19:48,960 INFO L87 Difference]: Start difference. First operand 2061 states and 2935 transitions. Second operand has 3 states, 3 states have (on average 25.333333333333332) internal successors, (76), 3 states have internal predecessors, (76), 2 states have call successors, (22), 2 states have call predecessors, (22), 1 states have return successors, (18), 2 states have call predecessors, (18), 2 states have call successors, (18) [2024-11-09 07:19:51,069 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.11s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-09 07:19:53,254 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.18s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-09 07:19:56,523 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 07:19:56,523 INFO L93 Difference]: Finished difference Result 4102 states and 5853 transitions. [2024-11-09 07:19:56,524 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-09 07:19:56,524 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 25.333333333333332) internal successors, (76), 3 states have internal predecessors, (76), 2 states have call successors, (22), 2 states have call predecessors, (22), 1 states have return successors, (18), 2 states have call predecessors, (18), 2 states have call successors, (18) Word has length 121 [2024-11-09 07:19:56,525 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 07:19:56,540 INFO L225 Difference]: With dead ends: 4102 [2024-11-09 07:19:56,541 INFO L226 Difference]: Without dead ends: 2083 [2024-11-09 07:19:56,549 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-09 07:19:56,553 INFO L432 NwaCegarLoop]: 1350 mSDtfsCounter, 9 mSDsluCounter, 1345 mSDsCounter, 0 mSdLazyCounter, 352 mSolverCounterSat, 1 mSolverCounterUnsat, 2 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 6.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 11 SdHoareTripleChecker+Valid, 2695 SdHoareTripleChecker+Invalid, 355 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 352 IncrementalHoareTripleChecker+Invalid, 2 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 7.5s IncrementalHoareTripleChecker+Time [2024-11-09 07:19:56,557 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [11 Valid, 2695 Invalid, 355 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 352 Invalid, 2 Unknown, 0 Unchecked, 7.5s Time] [2024-11-09 07:19:56,561 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2083 states. [2024-11-09 07:19:56,644 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2083 to 2069. [2024-11-09 07:19:56,648 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2069 states, 1323 states have (on average 1.3378684807256236) internal successors, (1770), 1356 states have internal predecessors, (1770), 588 states have call successors, (588), 158 states have call predecessors, (588), 157 states have return successors, (589), 580 states have call predecessors, (589), 586 states have call successors, (589) [2024-11-09 07:19:56,661 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2069 states to 2069 states and 2947 transitions. [2024-11-09 07:19:56,665 INFO L78 Accepts]: Start accepts. Automaton has 2069 states and 2947 transitions. Word has length 121 [2024-11-09 07:19:56,668 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 07:19:56,668 INFO L471 AbstractCegarLoop]: Abstraction has 2069 states and 2947 transitions. [2024-11-09 07:19:56,669 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 25.333333333333332) internal successors, (76), 3 states have internal predecessors, (76), 2 states have call successors, (22), 2 states have call predecessors, (22), 1 states have return successors, (18), 2 states have call predecessors, (18), 2 states have call successors, (18) [2024-11-09 07:19:56,669 INFO L276 IsEmpty]: Start isEmpty. Operand 2069 states and 2947 transitions. [2024-11-09 07:19:56,674 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 124 [2024-11-09 07:19:56,676 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 07:19:56,677 INFO L215 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-09 07:19:56,677 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2024-11-09 07:19:56,677 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ldv_blast_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_blast_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-09 07:19:56,678 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 07:19:56,678 INFO L85 PathProgramCache]: Analyzing trace with hash 1257528615, now seen corresponding path program 1 times [2024-11-09 07:19:56,678 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2024-11-09 07:19:56,678 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [666648243] [2024-11-09 07:19:56,679 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 07:19:56,679 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 07:20:05,990 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 07:20:07,250 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2024-11-09 07:20:07,250 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2024-11-09 07:20:07,251 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [666648243] [2024-11-09 07:20:07,251 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [666648243] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 07:20:07,251 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-09 07:20:07,251 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-09 07:20:07,252 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1256569155] [2024-11-09 07:20:07,252 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 07:20:07,253 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-09 07:20:07,253 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2024-11-09 07:20:07,254 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-09 07:20:07,254 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-11-09 07:20:07,254 INFO L87 Difference]: Start difference. First operand 2069 states and 2947 transitions. Second operand has 5 states, 5 states have (on average 15.6) internal successors, (78), 5 states have internal predecessors, (78), 3 states have call successors, (22), 2 states have call predecessors, (22), 1 states have return successors, (18), 3 states have call predecessors, (18), 3 states have call successors, (18) [2024-11-09 07:20:09,394 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.14s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-09 07:20:11,603 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.21s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-09 07:20:13,806 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.20s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-09 07:20:16,003 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.19s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-09 07:20:21,882 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 07:20:21,882 INFO L93 Difference]: Finished difference Result 4100 states and 5840 transitions. [2024-11-09 07:20:21,882 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-09 07:20:21,883 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 15.6) internal successors, (78), 5 states have internal predecessors, (78), 3 states have call successors, (22), 2 states have call predecessors, (22), 1 states have return successors, (18), 3 states have call predecessors, (18), 3 states have call successors, (18) Word has length 123 [2024-11-09 07:20:21,883 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 07:20:21,899 INFO L225 Difference]: With dead ends: 4100 [2024-11-09 07:20:21,900 INFO L226 Difference]: Without dead ends: 2067 [2024-11-09 07:20:21,909 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-11-09 07:20:21,910 INFO L432 NwaCegarLoop]: 1348 mSDtfsCounter, 0 mSDsluCounter, 4035 mSDsCounter, 0 mSdLazyCounter, 702 mSolverCounterSat, 0 mSolverCounterUnsat, 4 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 13.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 5383 SdHoareTripleChecker+Invalid, 706 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 702 IncrementalHoareTripleChecker+Invalid, 4 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 14.5s IncrementalHoareTripleChecker+Time [2024-11-09 07:20:21,911 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 5383 Invalid, 706 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 702 Invalid, 4 Unknown, 0 Unchecked, 14.5s Time] [2024-11-09 07:20:21,914 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2067 states. [2024-11-09 07:20:21,982 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2067 to 2067. [2024-11-09 07:20:21,986 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2067 states, 1322 states have (on average 1.3373676248108926) internal successors, (1768), 1354 states have internal predecessors, (1768), 587 states have call successors, (587), 158 states have call predecessors, (587), 157 states have return successors, (588), 579 states have call predecessors, (588), 585 states have call successors, (588) [2024-11-09 07:20:21,995 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2067 states to 2067 states and 2943 transitions. [2024-11-09 07:20:21,999 INFO L78 Accepts]: Start accepts. Automaton has 2067 states and 2943 transitions. Word has length 123 [2024-11-09 07:20:21,999 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 07:20:21,999 INFO L471 AbstractCegarLoop]: Abstraction has 2067 states and 2943 transitions. [2024-11-09 07:20:21,999 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 15.6) internal successors, (78), 5 states have internal predecessors, (78), 3 states have call successors, (22), 2 states have call predecessors, (22), 1 states have return successors, (18), 3 states have call predecessors, (18), 3 states have call successors, (18) [2024-11-09 07:20:22,000 INFO L276 IsEmpty]: Start isEmpty. Operand 2067 states and 2943 transitions. [2024-11-09 07:20:22,002 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 144 [2024-11-09 07:20:22,003 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 07:20:22,003 INFO L215 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-09 07:20:22,003 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2024-11-09 07:20:22,004 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting ldv_blast_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_blast_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-09 07:20:22,004 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 07:20:22,004 INFO L85 PathProgramCache]: Analyzing trace with hash -525926275, now seen corresponding path program 1 times [2024-11-09 07:20:22,004 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2024-11-09 07:20:22,004 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1350342581] [2024-11-09 07:20:22,005 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 07:20:22,005 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 07:20:31,390 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 07:20:32,839 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2024-11-09 07:20:32,839 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2024-11-09 07:20:32,839 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1350342581] [2024-11-09 07:20:32,839 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1350342581] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 07:20:32,840 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-09 07:20:32,840 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2024-11-09 07:20:32,840 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1048455755] [2024-11-09 07:20:32,840 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 07:20:32,841 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-09 07:20:32,841 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2024-11-09 07:20:32,842 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-09 07:20:32,843 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2024-11-09 07:20:32,844 INFO L87 Difference]: Start difference. First operand 2067 states and 2943 transitions. Second operand has 6 states, 6 states have (on average 14.666666666666666) internal successors, (88), 6 states have internal predecessors, (88), 3 states have call successors, (26), 2 states have call predecessors, (26), 1 states have return successors, (22), 3 states have call predecessors, (22), 3 states have call successors, (22) [2024-11-09 07:20:34,989 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.14s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-09 07:20:37,177 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.18s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-09 07:20:39,468 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.29s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-09 07:20:41,648 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.18s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-09 07:20:43,870 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.22s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-09 07:20:51,783 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 07:20:51,784 INFO L93 Difference]: Finished difference Result 4126 states and 5874 transitions. [2024-11-09 07:20:51,785 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-09 07:20:51,785 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 14.666666666666666) internal successors, (88), 6 states have internal predecessors, (88), 3 states have call successors, (26), 2 states have call predecessors, (26), 1 states have return successors, (22), 3 states have call predecessors, (22), 3 states have call successors, (22) Word has length 143 [2024-11-09 07:20:51,786 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 07:20:51,804 INFO L225 Difference]: With dead ends: 4126 [2024-11-09 07:20:51,805 INFO L226 Difference]: Without dead ends: 2067 [2024-11-09 07:20:51,814 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2024-11-09 07:20:51,815 INFO L432 NwaCegarLoop]: 1345 mSDtfsCounter, 0 mSDsluCounter, 5367 mSDsCounter, 0 mSdLazyCounter, 889 mSolverCounterSat, 1 mSolverCounterUnsat, 5 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 17.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 6712 SdHoareTripleChecker+Invalid, 895 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 889 IncrementalHoareTripleChecker+Invalid, 5 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 18.8s IncrementalHoareTripleChecker+Time [2024-11-09 07:20:51,816 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 6712 Invalid, 895 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 889 Invalid, 5 Unknown, 0 Unchecked, 18.8s Time] [2024-11-09 07:20:51,820 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2067 states. [2024-11-09 07:20:51,911 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2067 to 2067. [2024-11-09 07:20:51,916 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2067 states, 1322 states have (on average 1.3366111951588502) internal successors, (1767), 1354 states have internal predecessors, (1767), 587 states have call successors, (587), 158 states have call predecessors, (587), 157 states have return successors, (588), 579 states have call predecessors, (588), 585 states have call successors, (588) [2024-11-09 07:20:51,928 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2067 states to 2067 states and 2942 transitions. [2024-11-09 07:20:51,934 INFO L78 Accepts]: Start accepts. Automaton has 2067 states and 2942 transitions. Word has length 143 [2024-11-09 07:20:51,934 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 07:20:51,934 INFO L471 AbstractCegarLoop]: Abstraction has 2067 states and 2942 transitions. [2024-11-09 07:20:51,935 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 14.666666666666666) internal successors, (88), 6 states have internal predecessors, (88), 3 states have call successors, (26), 2 states have call predecessors, (26), 1 states have return successors, (22), 3 states have call predecessors, (22), 3 states have call successors, (22) [2024-11-09 07:20:51,935 INFO L276 IsEmpty]: Start isEmpty. Operand 2067 states and 2942 transitions. [2024-11-09 07:20:51,939 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 144 [2024-11-09 07:20:51,939 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 07:20:51,940 INFO L215 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-09 07:20:51,940 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2024-11-09 07:20:51,940 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting ldv_blast_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_blast_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-09 07:20:51,941 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 07:20:51,941 INFO L85 PathProgramCache]: Analyzing trace with hash 1527472712, now seen corresponding path program 1 times [2024-11-09 07:20:51,941 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2024-11-09 07:20:51,941 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1350380231] [2024-11-09 07:20:51,942 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 07:20:51,942 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 07:21:02,482 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 07:21:03,411 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2024-11-09 07:21:03,411 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2024-11-09 07:21:03,412 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1350380231] [2024-11-09 07:21:03,412 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1350380231] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 07:21:03,412 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-09 07:21:03,412 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-09 07:21:03,413 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1564622032] [2024-11-09 07:21:03,413 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 07:21:03,413 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-09 07:21:03,417 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2024-11-09 07:21:03,418 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-09 07:21:03,418 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-09 07:21:03,418 INFO L87 Difference]: Start difference. First operand 2067 states and 2942 transitions. Second operand has 4 states, 4 states have (on average 22.0) internal successors, (88), 4 states have internal predecessors, (88), 2 states have call successors, (26), 2 states have call predecessors, (26), 1 states have return successors, (22), 2 states have call predecessors, (22), 2 states have call successors, (22) [2024-11-09 07:21:05,563 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.14s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-09 07:21:07,727 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.16s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-09 07:21:09,929 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.20s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-09 07:21:14,991 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 07:21:14,991 INFO L93 Difference]: Finished difference Result 4103 states and 5841 transitions. [2024-11-09 07:21:14,992 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-09 07:21:14,992 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 22.0) internal successors, (88), 4 states have internal predecessors, (88), 2 states have call successors, (26), 2 states have call predecessors, (26), 1 states have return successors, (22), 2 states have call predecessors, (22), 2 states have call successors, (22) Word has length 143 [2024-11-09 07:21:14,992 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 07:21:15,011 INFO L225 Difference]: With dead ends: 4103 [2024-11-09 07:21:15,011 INFO L226 Difference]: Without dead ends: 2069 [2024-11-09 07:21:15,020 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-09 07:21:15,021 INFO L432 NwaCegarLoop]: 1343 mSDtfsCounter, 0 mSDsluCounter, 2679 mSDsCounter, 0 mSdLazyCounter, 528 mSolverCounterSat, 0 mSolverCounterUnsat, 3 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 10.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 4022 SdHoareTripleChecker+Invalid, 531 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 528 IncrementalHoareTripleChecker+Invalid, 3 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 11.5s IncrementalHoareTripleChecker+Time [2024-11-09 07:21:15,021 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 4022 Invalid, 531 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 528 Invalid, 3 Unknown, 0 Unchecked, 11.5s Time] [2024-11-09 07:21:15,026 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2069 states. [2024-11-09 07:21:15,112 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2069 to 2069. [2024-11-09 07:21:15,118 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2069 states, 1324 states have (on average 1.3361027190332326) internal successors, (1769), 1356 states have internal predecessors, (1769), 587 states have call successors, (587), 158 states have call predecessors, (587), 157 states have return successors, (588), 579 states have call predecessors, (588), 585 states have call successors, (588) [2024-11-09 07:21:15,129 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2069 states to 2069 states and 2944 transitions. [2024-11-09 07:21:15,136 INFO L78 Accepts]: Start accepts. Automaton has 2069 states and 2944 transitions. Word has length 143 [2024-11-09 07:21:15,136 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 07:21:15,137 INFO L471 AbstractCegarLoop]: Abstraction has 2069 states and 2944 transitions. [2024-11-09 07:21:15,137 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 22.0) internal successors, (88), 4 states have internal predecessors, (88), 2 states have call successors, (26), 2 states have call predecessors, (26), 1 states have return successors, (22), 2 states have call predecessors, (22), 2 states have call successors, (22) [2024-11-09 07:21:15,137 INFO L276 IsEmpty]: Start isEmpty. Operand 2069 states and 2944 transitions. [2024-11-09 07:21:15,141 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 152 [2024-11-09 07:21:15,142 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 07:21:15,142 INFO L215 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-09 07:21:15,142 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2024-11-09 07:21:15,143 INFO L396 AbstractCegarLoop]: === Iteration 7 === Targeting ldv_blast_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_blast_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-09 07:21:15,143 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 07:21:15,143 INFO L85 PathProgramCache]: Analyzing trace with hash 1764168385, now seen corresponding path program 1 times [2024-11-09 07:21:15,144 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2024-11-09 07:21:15,144 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [880603401] [2024-11-09 07:21:15,144 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 07:21:15,144 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 07:21:24,367 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 07:21:28,269 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2024-11-09 07:21:28,269 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2024-11-09 07:21:28,269 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [880603401] [2024-11-09 07:21:28,269 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [880603401] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-09 07:21:28,269 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1570849433] [2024-11-09 07:21:28,270 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 07:21:28,270 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-09 07:21:28,270 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1e19e50d-240c-422c-a0f6-6e685fe7ff72/bin/utaipan-verify-YMUCfTKeje/z3 [2024-11-09 07:21:28,273 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1e19e50d-240c-422c-a0f6-6e685fe7ff72/bin/utaipan-verify-YMUCfTKeje/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-09 07:21:28,278 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1e19e50d-240c-422c-a0f6-6e685fe7ff72/bin/utaipan-verify-YMUCfTKeje/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2024-11-09 07:21:39,058 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 07:21:39,090 INFO L255 TraceCheckSpWp]: Trace formula consists of 5015 conjuncts, 11 conjuncts are in the unsatisfiable core [2024-11-09 07:21:39,104 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 07:21:39,773 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2024-11-09 07:21:39,773 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-09 07:21:39,773 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1570849433] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 07:21:39,774 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-09 07:21:39,774 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [7] total 10 [2024-11-09 07:21:39,774 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1722064126] [2024-11-09 07:21:39,774 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 07:21:39,775 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-09 07:21:39,775 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2024-11-09 07:21:39,776 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-09 07:21:39,776 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=72, Unknown=0, NotChecked=0, Total=90 [2024-11-09 07:21:39,777 INFO L87 Difference]: Start difference. First operand 2069 states and 2944 transitions. Second operand has 5 states, 5 states have (on average 18.6) internal successors, (93), 5 states have internal predecessors, (93), 3 states have call successors, (28), 2 states have call predecessors, (28), 2 states have return successors, (24), 3 states have call predecessors, (24), 3 states have call successors, (24) [2024-11-09 07:21:41,900 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.12s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-09 07:21:44,113 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.21s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-09 07:21:46,310 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.20s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-09 07:21:48,523 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.21s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-09 07:21:55,019 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 07:21:55,020 INFO L93 Difference]: Finished difference Result 4100 states and 5844 transitions. [2024-11-09 07:21:55,021 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-09 07:21:55,021 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 18.6) internal successors, (93), 5 states have internal predecessors, (93), 3 states have call successors, (28), 2 states have call predecessors, (28), 2 states have return successors, (24), 3 states have call predecessors, (24), 3 states have call successors, (24) Word has length 151 [2024-11-09 07:21:55,023 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 07:21:55,054 INFO L225 Difference]: With dead ends: 4100 [2024-11-09 07:21:55,055 INFO L226 Difference]: Without dead ends: 2073 [2024-11-09 07:21:55,064 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 158 GetRequests, 150 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 1.0s TimeCoverageRelationStatistics Valid=18, Invalid=72, Unknown=0, NotChecked=0, Total=90 [2024-11-09 07:21:55,066 INFO L432 NwaCegarLoop]: 1342 mSDtfsCounter, 2 mSDsluCounter, 4010 mSDsCounter, 0 mSdLazyCounter, 706 mSolverCounterSat, 0 mSolverCounterUnsat, 4 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 14.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4 SdHoareTripleChecker+Valid, 5352 SdHoareTripleChecker+Invalid, 710 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 706 IncrementalHoareTripleChecker+Invalid, 4 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 15.1s IncrementalHoareTripleChecker+Time [2024-11-09 07:21:55,067 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [4 Valid, 5352 Invalid, 710 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 706 Invalid, 4 Unknown, 0 Unchecked, 15.1s Time] [2024-11-09 07:21:55,072 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2073 states. [2024-11-09 07:21:55,175 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2073 to 2073. [2024-11-09 07:21:55,184 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2073 states, 1328 states have (on average 1.3350903614457832) internal successors, (1773), 1360 states have internal predecessors, (1773), 587 states have call successors, (587), 158 states have call predecessors, (587), 157 states have return successors, (588), 579 states have call predecessors, (588), 585 states have call successors, (588) [2024-11-09 07:21:55,203 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2073 states to 2073 states and 2948 transitions. [2024-11-09 07:21:55,209 INFO L78 Accepts]: Start accepts. Automaton has 2073 states and 2948 transitions. Word has length 151 [2024-11-09 07:21:55,210 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 07:21:55,210 INFO L471 AbstractCegarLoop]: Abstraction has 2073 states and 2948 transitions. [2024-11-09 07:21:55,211 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 18.6) internal successors, (93), 5 states have internal predecessors, (93), 3 states have call successors, (28), 2 states have call predecessors, (28), 2 states have return successors, (24), 3 states have call predecessors, (24), 3 states have call successors, (24) [2024-11-09 07:21:55,211 INFO L276 IsEmpty]: Start isEmpty. Operand 2073 states and 2948 transitions. [2024-11-09 07:21:55,215 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 155 [2024-11-09 07:21:55,216 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 07:21:55,216 INFO L215 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-09 07:21:55,266 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1e19e50d-240c-422c-a0f6-6e685fe7ff72/bin/utaipan-verify-YMUCfTKeje/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Ended with exit code 0 [2024-11-09 07:21:55,421 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1e19e50d-240c-422c-a0f6-6e685fe7ff72/bin/utaipan-verify-YMUCfTKeje/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable6 [2024-11-09 07:21:55,422 INFO L396 AbstractCegarLoop]: === Iteration 8 === Targeting ldv_blast_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_blast_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-09 07:21:55,422 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 07:21:55,423 INFO L85 PathProgramCache]: Analyzing trace with hash -656926828, now seen corresponding path program 1 times [2024-11-09 07:21:55,423 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2024-11-09 07:21:55,423 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [289807977] [2024-11-09 07:21:55,423 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 07:21:55,423 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 07:22:03,849 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 07:22:07,389 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2024-11-09 07:22:07,390 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2024-11-09 07:22:07,390 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [289807977] [2024-11-09 07:22:07,390 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [289807977] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-09 07:22:07,390 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [868880898] [2024-11-09 07:22:07,390 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 07:22:07,391 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-09 07:22:07,391 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1e19e50d-240c-422c-a0f6-6e685fe7ff72/bin/utaipan-verify-YMUCfTKeje/z3 [2024-11-09 07:22:07,392 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1e19e50d-240c-422c-a0f6-6e685fe7ff72/bin/utaipan-verify-YMUCfTKeje/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-09 07:22:07,394 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1e19e50d-240c-422c-a0f6-6e685fe7ff72/bin/utaipan-verify-YMUCfTKeje/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2024-11-09 07:22:18,198 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 07:22:18,216 INFO L255 TraceCheckSpWp]: Trace formula consists of 5027 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-11-09 07:22:18,222 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 07:22:18,617 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2024-11-09 07:22:18,617 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-09 07:22:18,618 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [868880898] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 07:22:18,618 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-09 07:22:18,618 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [7] total 10 [2024-11-09 07:22:18,618 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1591025767] [2024-11-09 07:22:18,619 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 07:22:18,619 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-09 07:22:18,620 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2024-11-09 07:22:18,620 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-09 07:22:18,620 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=73, Unknown=0, NotChecked=0, Total=90 [2024-11-09 07:22:18,621 INFO L87 Difference]: Start difference. First operand 2073 states and 2948 transitions. Second operand has 5 states, 5 states have (on average 18.8) internal successors, (94), 5 states have internal predecessors, (94), 3 states have call successors, (29), 2 states have call predecessors, (29), 2 states have return successors, (25), 3 states have call predecessors, (25), 3 states have call successors, (25) [2024-11-09 07:22:20,706 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.08s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-09 07:22:22,937 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.23s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-09 07:22:25,187 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.25s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-09 07:22:27,420 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.23s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-09 07:22:34,209 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 07:22:34,210 INFO L93 Difference]: Finished difference Result 4106 states and 5842 transitions. [2024-11-09 07:22:34,210 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-09 07:22:34,211 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 18.8) internal successors, (94), 5 states have internal predecessors, (94), 3 states have call successors, (29), 2 states have call predecessors, (29), 2 states have return successors, (25), 3 states have call predecessors, (25), 3 states have call successors, (25) Word has length 154 [2024-11-09 07:22:34,211 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 07:22:34,226 INFO L225 Difference]: With dead ends: 4106 [2024-11-09 07:22:34,226 INFO L226 Difference]: Without dead ends: 2057 [2024-11-09 07:22:34,235 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 161 GetRequests, 153 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.8s TimeCoverageRelationStatistics Valid=17, Invalid=73, Unknown=0, NotChecked=0, Total=90 [2024-11-09 07:22:34,236 INFO L432 NwaCegarLoop]: 1343 mSDtfsCounter, 1 mSDsluCounter, 4017 mSDsCounter, 0 mSdLazyCounter, 699 mSolverCounterSat, 1 mSolverCounterUnsat, 4 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 14.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4 SdHoareTripleChecker+Valid, 5360 SdHoareTripleChecker+Invalid, 704 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 699 IncrementalHoareTripleChecker+Invalid, 4 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 15.5s IncrementalHoareTripleChecker+Time [2024-11-09 07:22:34,236 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [4 Valid, 5360 Invalid, 704 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 699 Invalid, 4 Unknown, 0 Unchecked, 15.5s Time] [2024-11-09 07:22:34,241 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2057 states. [2024-11-09 07:22:34,323 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2057 to 2055. [2024-11-09 07:22:34,332 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2055 states, 1319 states have (on average 1.3351023502653525) internal successors, (1761), 1350 states have internal predecessors, (1761), 581 states have call successors, (581), 155 states have call predecessors, (581), 154 states have return successors, (582), 573 states have call predecessors, (582), 579 states have call successors, (582) [2024-11-09 07:22:34,343 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2055 states to 2055 states and 2924 transitions. [2024-11-09 07:22:34,351 INFO L78 Accepts]: Start accepts. Automaton has 2055 states and 2924 transitions. Word has length 154 [2024-11-09 07:22:34,351 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 07:22:34,352 INFO L471 AbstractCegarLoop]: Abstraction has 2055 states and 2924 transitions. [2024-11-09 07:22:34,352 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 18.8) internal successors, (94), 5 states have internal predecessors, (94), 3 states have call successors, (29), 2 states have call predecessors, (29), 2 states have return successors, (25), 3 states have call predecessors, (25), 3 states have call successors, (25) [2024-11-09 07:22:34,352 INFO L276 IsEmpty]: Start isEmpty. Operand 2055 states and 2924 transitions. [2024-11-09 07:22:34,357 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 162 [2024-11-09 07:22:34,357 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 07:22:34,357 INFO L215 NwaCegarLoop]: trace histogram [4, 4, 4, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-09 07:22:34,403 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1e19e50d-240c-422c-a0f6-6e685fe7ff72/bin/utaipan-verify-YMUCfTKeje/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Ended with exit code 0 [2024-11-09 07:22:34,559 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1e19e50d-240c-422c-a0f6-6e685fe7ff72/bin/utaipan-verify-YMUCfTKeje/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable7 [2024-11-09 07:22:34,567 INFO L396 AbstractCegarLoop]: === Iteration 9 === Targeting ldv_blast_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_blast_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-09 07:22:34,571 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 07:22:34,575 INFO L85 PathProgramCache]: Analyzing trace with hash 136045074, now seen corresponding path program 1 times [2024-11-09 07:22:34,579 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2024-11-09 07:22:34,580 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2055192738] [2024-11-09 07:22:34,580 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 07:22:34,580 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 07:22:43,167 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 07:22:46,527 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2024-11-09 07:22:46,527 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2024-11-09 07:22:46,527 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2055192738] [2024-11-09 07:22:46,528 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2055192738] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-09 07:22:46,528 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1950019746] [2024-11-09 07:22:46,528 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 07:22:46,528 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-09 07:22:46,529 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1e19e50d-240c-422c-a0f6-6e685fe7ff72/bin/utaipan-verify-YMUCfTKeje/z3 [2024-11-09 07:22:46,531 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1e19e50d-240c-422c-a0f6-6e685fe7ff72/bin/utaipan-verify-YMUCfTKeje/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-09 07:22:46,532 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1e19e50d-240c-422c-a0f6-6e685fe7ff72/bin/utaipan-verify-YMUCfTKeje/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2024-11-09 07:22:58,405 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 07:22:58,437 INFO L255 TraceCheckSpWp]: Trace formula consists of 5103 conjuncts, 21 conjuncts are in the unsatisfiable core [2024-11-09 07:22:58,445 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 07:22:58,765 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 12 proven. 0 refuted. 0 times theorem prover too weak. 18 trivial. 0 not checked. [2024-11-09 07:22:58,766 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-09 07:22:58,766 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1950019746] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 07:22:58,766 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-09 07:22:58,767 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [7] total 7 [2024-11-09 07:22:58,767 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1685146278] [2024-11-09 07:22:58,767 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 07:22:58,768 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-11-09 07:22:58,768 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2024-11-09 07:22:58,769 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-11-09 07:22:58,769 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2024-11-09 07:22:58,769 INFO L87 Difference]: Start difference. First operand 2055 states and 2924 transitions. Second operand has 7 states, 6 states have (on average 16.166666666666668) internal successors, (97), 5 states have internal predecessors, (97), 2 states have call successors, (29), 2 states have call predecessors, (29), 3 states have return successors, (25), 3 states have call predecessors, (25), 2 states have call successors, (25) [2024-11-09 07:23:00,920 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.15s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-09 07:23:03,156 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.23s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-09 07:23:05,354 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.20s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-09 07:23:07,558 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.20s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-09 07:23:09,765 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-09 07:23:19,592 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 07:23:19,593 INFO L93 Difference]: Finished difference Result 4132 states and 5892 transitions. [2024-11-09 07:23:19,593 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2024-11-09 07:23:19,593 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 6 states have (on average 16.166666666666668) internal successors, (97), 5 states have internal predecessors, (97), 2 states have call successors, (29), 2 states have call predecessors, (29), 3 states have return successors, (25), 3 states have call predecessors, (25), 2 states have call successors, (25) Word has length 161 [2024-11-09 07:23:19,594 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 07:23:19,611 INFO L225 Difference]: With dead ends: 4132 [2024-11-09 07:23:19,611 INFO L226 Difference]: Without dead ends: 2075 [2024-11-09 07:23:19,619 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 171 GetRequests, 162 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 0.8s TimeCoverageRelationStatistics Valid=27, Invalid=83, Unknown=0, NotChecked=0, Total=110 [2024-11-09 07:23:19,620 INFO L432 NwaCegarLoop]: 1330 mSDtfsCounter, 16 mSDsluCounter, 6644 mSDsCounter, 0 mSdLazyCounter, 1041 mSolverCounterSat, 1 mSolverCounterUnsat, 5 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 18.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 18 SdHoareTripleChecker+Valid, 7974 SdHoareTripleChecker+Invalid, 1047 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 1041 IncrementalHoareTripleChecker+Invalid, 5 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 20.3s IncrementalHoareTripleChecker+Time [2024-11-09 07:23:19,620 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [18 Valid, 7974 Invalid, 1047 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 1041 Invalid, 5 Unknown, 0 Unchecked, 20.3s Time] [2024-11-09 07:23:19,625 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2075 states. [2024-11-09 07:23:19,715 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2075 to 2067. [2024-11-09 07:23:19,721 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2067 states, 1326 states have (on average 1.3333333333333333) internal successors, (1768), 1357 states have internal predecessors, (1768), 583 states have call successors, (583), 158 states have call predecessors, (583), 157 states have return successors, (584), 575 states have call predecessors, (584), 581 states have call successors, (584) [2024-11-09 07:23:19,731 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2067 states to 2067 states and 2935 transitions. [2024-11-09 07:23:19,738 INFO L78 Accepts]: Start accepts. Automaton has 2067 states and 2935 transitions. Word has length 161 [2024-11-09 07:23:19,738 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 07:23:19,738 INFO L471 AbstractCegarLoop]: Abstraction has 2067 states and 2935 transitions. [2024-11-09 07:23:19,739 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 6 states have (on average 16.166666666666668) internal successors, (97), 5 states have internal predecessors, (97), 2 states have call successors, (29), 2 states have call predecessors, (29), 3 states have return successors, (25), 3 states have call predecessors, (25), 2 states have call successors, (25) [2024-11-09 07:23:19,740 INFO L276 IsEmpty]: Start isEmpty. Operand 2067 states and 2935 transitions. [2024-11-09 07:23:19,744 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 165 [2024-11-09 07:23:19,744 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 07:23:19,744 INFO L215 NwaCegarLoop]: trace histogram [4, 4, 3, 3, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-09 07:23:19,795 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1e19e50d-240c-422c-a0f6-6e685fe7ff72/bin/utaipan-verify-YMUCfTKeje/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Ended with exit code 0 [2024-11-09 07:23:19,945 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1e19e50d-240c-422c-a0f6-6e685fe7ff72/bin/utaipan-verify-YMUCfTKeje/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable8 [2024-11-09 07:23:19,946 INFO L396 AbstractCegarLoop]: === Iteration 10 === Targeting ldv_blast_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_blast_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-09 07:23:19,946 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 07:23:19,946 INFO L85 PathProgramCache]: Analyzing trace with hash -1691237791, now seen corresponding path program 1 times [2024-11-09 07:23:19,946 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2024-11-09 07:23:19,947 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2095284112] [2024-11-09 07:23:19,947 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 07:23:19,947 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 07:23:28,817 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 07:23:33,975 INFO L134 CoverageAnalysis]: Checked inductivity of 34 backedges. 2 proven. 4 refuted. 0 times theorem prover too weak. 28 trivial. 0 not checked. [2024-11-09 07:23:33,976 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2024-11-09 07:23:33,976 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2095284112] [2024-11-09 07:23:33,976 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2095284112] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-09 07:23:33,976 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [427002087] [2024-11-09 07:23:33,976 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 07:23:33,976 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-09 07:23:33,977 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1e19e50d-240c-422c-a0f6-6e685fe7ff72/bin/utaipan-verify-YMUCfTKeje/z3 [2024-11-09 07:23:33,978 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1e19e50d-240c-422c-a0f6-6e685fe7ff72/bin/utaipan-verify-YMUCfTKeje/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-09 07:23:33,980 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1e19e50d-240c-422c-a0f6-6e685fe7ff72/bin/utaipan-verify-YMUCfTKeje/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2024-11-09 07:24:28,288 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 07:24:28,326 INFO L255 TraceCheckSpWp]: Trace formula consists of 5118 conjuncts, 41 conjuncts are in the unsatisfiable core [2024-11-09 07:24:28,335 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 07:24:28,769 INFO L134 CoverageAnalysis]: Checked inductivity of 34 backedges. 22 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2024-11-09 07:24:28,769 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-09 07:24:28,770 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [427002087] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 07:24:28,770 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-09 07:24:28,770 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [11] total 11 [2024-11-09 07:24:28,771 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [233627552] [2024-11-09 07:24:28,771 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 07:24:28,771 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2024-11-09 07:24:28,772 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2024-11-09 07:24:28,773 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2024-11-09 07:24:28,773 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=91, Unknown=0, NotChecked=0, Total=110 [2024-11-09 07:24:28,773 INFO L87 Difference]: Start difference. First operand 2067 states and 2935 transitions. Second operand has 11 states, 8 states have (on average 12.5) internal successors, (100), 7 states have internal predecessors, (100), 2 states have call successors, (30), 2 states have call predecessors, (30), 6 states have return successors, (26), 6 states have call predecessors, (26), 2 states have call successors, (26) [2024-11-09 07:24:30,889 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.11s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-09 07:24:33,102 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.21s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-09 07:24:35,318 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-09 07:24:37,526 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.21s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-09 07:24:39,737 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.21s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-09 07:24:41,949 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.21s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-09 07:24:44,163 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.21s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-09 07:24:46,363 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.20s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-09 07:24:48,553 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.19s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-09 07:25:17,543 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 07:25:17,543 INFO L93 Difference]: Finished difference Result 6173 states and 8838 transitions. [2024-11-09 07:25:17,543 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2024-11-09 07:25:17,544 INFO L78 Accepts]: Start accepts. Automaton has has 11 states, 8 states have (on average 12.5) internal successors, (100), 7 states have internal predecessors, (100), 2 states have call successors, (30), 2 states have call predecessors, (30), 6 states have return successors, (26), 6 states have call predecessors, (26), 2 states have call successors, (26) Word has length 164 [2024-11-09 07:25:17,544 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 07:25:17,573 INFO L225 Difference]: With dead ends: 6173 [2024-11-09 07:25:17,574 INFO L226 Difference]: Without dead ends: 4124 [2024-11-09 07:25:17,582 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 184 GetRequests, 167 SyntacticMatches, 0 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 28 ImplicationChecksByTransitivity, 1.9s TimeCoverageRelationStatistics Valid=51, Invalid=291, Unknown=0, NotChecked=0, Total=342 [2024-11-09 07:25:17,583 INFO L432 NwaCegarLoop]: 2623 mSDtfsCounter, 1491 mSDsluCounter, 22290 mSDsCounter, 0 mSdLazyCounter, 3162 mSolverCounterSat, 4 mSolverCounterUnsat, 9 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 44.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1508 SdHoareTripleChecker+Valid, 24913 SdHoareTripleChecker+Invalid, 3175 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 3162 IncrementalHoareTripleChecker+Invalid, 9 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 47.4s IncrementalHoareTripleChecker+Time [2024-11-09 07:25:17,584 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1508 Valid, 24913 Invalid, 3175 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [4 Valid, 3162 Invalid, 9 Unknown, 0 Unchecked, 47.4s Time] [2024-11-09 07:25:17,590 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4124 states. [2024-11-09 07:25:17,820 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4124 to 4094. [2024-11-09 07:25:17,828 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4094 states, 2629 states have (on average 1.3351084062381133) internal successors, (3510), 2692 states have internal predecessors, (3510), 1151 states have call successors, (1151), 310 states have call predecessors, (1151), 313 states have return successors, (1173), 1139 states have call predecessors, (1173), 1149 states have call successors, (1173) [2024-11-09 07:25:17,847 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4094 states to 4094 states and 5834 transitions. [2024-11-09 07:25:17,856 INFO L78 Accepts]: Start accepts. Automaton has 4094 states and 5834 transitions. Word has length 164 [2024-11-09 07:25:17,856 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 07:25:17,856 INFO L471 AbstractCegarLoop]: Abstraction has 4094 states and 5834 transitions. [2024-11-09 07:25:17,857 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 8 states have (on average 12.5) internal successors, (100), 7 states have internal predecessors, (100), 2 states have call successors, (30), 2 states have call predecessors, (30), 6 states have return successors, (26), 6 states have call predecessors, (26), 2 states have call successors, (26) [2024-11-09 07:25:17,857 INFO L276 IsEmpty]: Start isEmpty. Operand 4094 states and 5834 transitions. [2024-11-09 07:25:17,863 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 169 [2024-11-09 07:25:17,863 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 07:25:17,863 INFO L215 NwaCegarLoop]: trace histogram [4, 4, 4, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-09 07:25:18,064 WARN L435 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1e19e50d-240c-422c-a0f6-6e685fe7ff72/bin/utaipan-verify-YMUCfTKeje/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Forcibly destroying the process [2024-11-09 07:25:18,156 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1e19e50d-240c-422c-a0f6-6e685fe7ff72/bin/utaipan-verify-YMUCfTKeje/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Forceful destruction successful, exit code 137 [2024-11-09 07:25:18,157 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9,5 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1e19e50d-240c-422c-a0f6-6e685fe7ff72/bin/utaipan-verify-YMUCfTKeje/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-09 07:25:18,157 INFO L396 AbstractCegarLoop]: === Iteration 11 === Targeting ldv_blast_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_blast_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-09 07:25:18,157 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 07:25:18,157 INFO L85 PathProgramCache]: Analyzing trace with hash 1491814547, now seen corresponding path program 2 times [2024-11-09 07:25:18,157 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2024-11-09 07:25:18,158 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [827075139] [2024-11-09 07:25:18,158 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 07:25:18,158 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 07:25:31,661 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 07:27:20,177 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 6 proven. 4 refuted. 0 times theorem prover too weak. 32 trivial. 0 not checked. [2024-11-09 07:27:20,178 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2024-11-09 07:27:20,178 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [827075139] [2024-11-09 07:27:20,178 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [827075139] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-09 07:27:20,179 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [808597467] [2024-11-09 07:27:20,179 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2024-11-09 07:27:20,179 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-09 07:27:20,179 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1e19e50d-240c-422c-a0f6-6e685fe7ff72/bin/utaipan-verify-YMUCfTKeje/z3 [2024-11-09 07:27:20,190 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1e19e50d-240c-422c-a0f6-6e685fe7ff72/bin/utaipan-verify-YMUCfTKeje/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-09 07:27:20,197 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1e19e50d-240c-422c-a0f6-6e685fe7ff72/bin/utaipan-verify-YMUCfTKeje/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process