./Ultimate.py --spec ../../sv-benchmarks/c/properties/valid-memsafety.prp --file ../../sv-benchmarks/c/ldv-linux-3.14-races/linux-3.14--drivers--net--irda--nsc-ircc.ko.cil.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for memory safety (deref-memtrack) Using default analysis Version d790fecc Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d36ee7fc-8550-4ed6-a6f0-6d77ce79633a/bin/ugemcutter-verify-L2ppAeDwQX/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d36ee7fc-8550-4ed6-a6f0-6d77ce79633a/bin/ugemcutter-verify-L2ppAeDwQX/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d36ee7fc-8550-4ed6-a6f0-6d77ce79633a/bin/ugemcutter-verify-L2ppAeDwQX/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d36ee7fc-8550-4ed6-a6f0-6d77ce79633a/bin/ugemcutter-verify-L2ppAeDwQX/config/GemCutterMemDerefMemtrack.xml -i ../../sv-benchmarks/c/ldv-linux-3.14-races/linux-3.14--drivers--net--irda--nsc-ircc.ko.cil.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d36ee7fc-8550-4ed6-a6f0-6d77ce79633a/bin/ugemcutter-verify-L2ppAeDwQX/config/svcomp-DerefFreeMemtrack-32bit-GemCutter_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d36ee7fc-8550-4ed6-a6f0-6d77ce79633a/bin/ugemcutter-verify-L2ppAeDwQX --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) --witnessprinter.graph.data.producer GemCutter --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 4936125952f00e8b7bd10cd011fdd99ca1fa98c1dbf62cbf7f8d6248efd38f07 --- Real Ultimate output --- This is Ultimate 0.3.0-dev-d790fec [2024-12-05 09:34:04,904 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-12-05 09:34:04,961 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d36ee7fc-8550-4ed6-a6f0-6d77ce79633a/bin/ugemcutter-verify-L2ppAeDwQX/config/svcomp-DerefFreeMemtrack-32bit-GemCutter_Default.epf [2024-12-05 09:34:04,965 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-12-05 09:34:04,965 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-12-05 09:34:04,985 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-12-05 09:34:04,985 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-12-05 09:34:04,986 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-12-05 09:34:04,986 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-12-05 09:34:04,986 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-12-05 09:34:04,986 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-12-05 09:34:04,986 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-12-05 09:34:04,987 INFO L153 SettingsManager]: * Use SBE=true [2024-12-05 09:34:04,987 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-12-05 09:34:04,987 INFO L153 SettingsManager]: * sizeof long=4 [2024-12-05 09:34:04,987 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-12-05 09:34:04,987 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-12-05 09:34:04,987 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-12-05 09:34:04,987 INFO L153 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2024-12-05 09:34:04,987 INFO L153 SettingsManager]: * Bitprecise bitfields=true [2024-12-05 09:34:04,987 INFO L153 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2024-12-05 09:34:04,987 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-12-05 09:34:04,988 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-12-05 09:34:04,988 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-12-05 09:34:04,988 INFO L153 SettingsManager]: * sizeof long double=12 [2024-12-05 09:34:04,988 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2024-12-05 09:34:04,988 INFO L153 SettingsManager]: * Use constant arrays=true [2024-12-05 09:34:04,988 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-12-05 09:34:04,988 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-12-05 09:34:04,988 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-12-05 09:34:04,988 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-12-05 09:34:04,988 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-12-05 09:34:04,988 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-12-05 09:34:04,989 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-12-05 09:34:04,989 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-12-05 09:34:04,989 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-12-05 09:34:04,989 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-12-05 09:34:04,989 INFO L153 SettingsManager]: * Abstraction used for commutativity in POR=VARIABLES_GLOBAL [2024-12-05 09:34:04,989 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PARTIAL_ORDER_FA [2024-12-05 09:34:04,989 INFO L153 SettingsManager]: * CEGAR restart behaviour=ONE_CEGAR_PER_THREAD_INSTANCE [2024-12-05 09:34:04,989 INFO L153 SettingsManager]: * Partial Order Reduction in concurrent analysis=PERSISTENT_SLEEP_NEW_STATES_FIXEDORDER [2024-12-05 09:34:04,989 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode 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_d36ee7fc-8550-4ed6-a6f0-6d77ce79633a/bin/ugemcutter-verify-L2ppAeDwQX 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 valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> GemCutter Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 4936125952f00e8b7bd10cd011fdd99ca1fa98c1dbf62cbf7f8d6248efd38f07 [2024-12-05 09:34:05,237 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-12-05 09:34:05,246 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-12-05 09:34:05,249 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-12-05 09:34:05,250 INFO L270 PluginConnector]: Initializing CDTParser... [2024-12-05 09:34:05,250 INFO L274 PluginConnector]: CDTParser initialized [2024-12-05 09:34:05,251 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d36ee7fc-8550-4ed6-a6f0-6d77ce79633a/bin/ugemcutter-verify-L2ppAeDwQX/../../sv-benchmarks/c/ldv-linux-3.14-races/linux-3.14--drivers--net--irda--nsc-ircc.ko.cil.i [2024-12-05 09:34:07,931 INFO L533 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d36ee7fc-8550-4ed6-a6f0-6d77ce79633a/bin/ugemcutter-verify-L2ppAeDwQX/data/c7524878a/07238c5a87ee4d2584887d2235f4f054/FLAG32f007b85 [2024-12-05 09:34:08,375 INFO L384 CDTParser]: Found 1 translation units. [2024-12-05 09:34:08,375 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d36ee7fc-8550-4ed6-a6f0-6d77ce79633a/sv-benchmarks/c/ldv-linux-3.14-races/linux-3.14--drivers--net--irda--nsc-ircc.ko.cil.i [2024-12-05 09:34:08,414 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d36ee7fc-8550-4ed6-a6f0-6d77ce79633a/bin/ugemcutter-verify-L2ppAeDwQX/data/c7524878a/07238c5a87ee4d2584887d2235f4f054/FLAG32f007b85 [2024-12-05 09:34:08,475 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d36ee7fc-8550-4ed6-a6f0-6d77ce79633a/bin/ugemcutter-verify-L2ppAeDwQX/data/c7524878a/07238c5a87ee4d2584887d2235f4f054 [2024-12-05 09:34:08,477 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-12-05 09:34:08,478 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-12-05 09:34:08,479 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-12-05 09:34:08,479 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-12-05 09:34:08,483 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-12-05 09:34:08,484 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 05.12 09:34:08" (1/1) ... [2024-12-05 09:34:08,484 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@28ddd253 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 09:34:08, skipping insertion in model container [2024-12-05 09:34:08,484 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 05.12 09:34:08" (1/1) ... [2024-12-05 09:34:08,573 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-12-05 09:34:09,353 WARN L1063 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-12-05 09:34:09,357 WARN L1063 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-12-05 09:34:09,366 WARN L1063 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-12-05 09:34:09,693 WARN L1063 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-12-05 09:34:09,695 WARN L1063 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-12-05 09:34:09,712 WARN L1063 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-12-05 09:34:09,715 WARN L1063 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-12-05 09:34:09,717 WARN L1063 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-12-05 09:34:09,718 WARN L1063 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-12-05 09:34:09,719 WARN L1063 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-12-05 09:34:09,723 WARN L1063 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-12-05 09:34:09,723 WARN L1063 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-12-05 09:34:09,724 WARN L1063 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-12-05 09:34:09,724 WARN L1063 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-12-05 09:34:09,725 WARN L1063 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-12-05 09:34:09,730 WARN L1063 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-12-05 09:34:09,731 WARN L1063 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-12-05 09:34:09,758 WARN L1063 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-12-05 09:34:09,787 WARN L1063 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-12-05 09:34:09,792 WARN L1063 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-12-05 09:34:09,810 WARN L1063 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-12-05 09:34:09,812 WARN L1063 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-12-05 09:34:09,822 WARN L1063 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-12-05 09:34:09,822 WARN L1063 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-12-05 09:34:09,843 WARN L1063 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-12-05 09:34:09,843 WARN L1063 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-12-05 09:34:09,848 WARN L1063 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-12-05 09:34:09,849 WARN L1063 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-12-05 09:34:09,850 WARN L1063 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-12-05 09:34:09,853 WARN L1063 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-12-05 09:34:09,854 WARN L1063 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-12-05 09:34:09,856 WARN L1063 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-12-05 09:34:09,859 WARN L1063 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-12-05 09:34:09,860 WARN L1063 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-12-05 09:34:09,861 WARN L1063 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-12-05 09:34:09,862 WARN L1063 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-12-05 09:34:10,042 WARN L1063 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-12-05 09:34:10,042 WARN L1063 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-12-05 09:34:10,049 WARN L1063 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-12-05 09:34:10,050 WARN L1063 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-12-05 09:34:10,056 WARN L1063 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-12-05 09:34:10,057 WARN L1063 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-12-05 09:34:10,057 WARN L1063 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-12-05 09:34:10,058 WARN L1063 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-12-05 09:34:10,058 WARN L1063 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-12-05 09:34:10,058 WARN L1063 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-12-05 09:34:10,059 WARN L1063 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-12-05 09:34:10,063 WARN L1063 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-12-05 09:34:10,064 WARN L1063 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-12-05 09:34:10,065 WARN L1063 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-12-05 09:34:10,066 WARN L1063 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-12-05 09:34:10,066 WARN L1063 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-12-05 09:34:10,067 WARN L1063 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-12-05 09:34:10,067 WARN L1063 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-12-05 09:34:10,067 WARN L1063 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-12-05 09:34:10,070 WARN L1063 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-12-05 09:34:10,070 WARN L1063 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-12-05 09:34:10,071 WARN L1063 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-12-05 09:34:10,071 WARN L1063 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-12-05 09:34:10,071 WARN L1063 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-12-05 09:34:10,071 WARN L1063 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-12-05 09:34:10,084 WARN L1063 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-12-05 09:34:10,091 WARN L1063 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-12-05 09:34:10,091 WARN L1063 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-12-05 09:34:10,148 WARN L1063 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-12-05 09:34:10,149 WARN L1063 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-12-05 09:34:10,150 WARN L1063 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-12-05 09:34:10,150 WARN L1063 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-12-05 09:34:10,623 WARN L1063 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-12-05 09:34:10,630 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-12-05 09:34:10,673 INFO L200 MainTranslator]: Completed pre-run [2024-12-05 09:34:10,739 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile (".pushsection .smp_locks,\"a\"\n.balign 4\n.long 671f - .\n.popsection\n671:\n\tlock; bts %1,%0": "+m" (*((long volatile *)addr)): "Ir" (nr): "memory"); [5825] [2024-12-05 09:34:10,740 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile (".pushsection .smp_locks,\"a\"\n.balign 4\n.long 671f - .\n.popsection\n671:\n\tlock; btr %1,%0": "+m" (*((long volatile *)addr)): "Ir" (nr)); [5832] [2024-12-05 09:34:10,740 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("":); [5839] [2024-12-05 09:34:10,743 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("1:\tud2\n.pushsection __bug_table,\"a\"\n2:\t.long 1b - 2b, %c0 - 2b\n\t.word %c1, 0\n\t.org 2b+%c2\n.popsection": : "i" ((char *)"/home/alpha/git/klever2/klever/native-scheduler-work-dir/scheduler/jobs/d5cd53f56669d61faa91054857893dbd/klever-core-work-dir/lkbce/arch/x86/include/asm/paravirt.h"), "i" (804), "i" (12UL)); [5880-5881] [2024-12-05 09:34:10,743 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("771:\n\tcall *%c2;\n772:\n.pushsection .parainstructions,\"a\"\n .balign 8 \n .quad 771b\n .byte %c1\n .byte 772b-771b\n .short %c3\n.popsection\n": "=a" (__eax): [paravirt_typenum] "i" (44UL), [paravirt_opptr] "i" (& pv_irq_ops.save_fl.func), [paravirt_clobber] "i" (1): "memory", "cc"); [5886-5888] [2024-12-05 09:34:10,746 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("outb %b0, %w1": : "a" (value), "Nd" (port)); [5982] [2024-12-05 09:34:10,747 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("inb %w1, %b0": "=a" (value): "Nd" (port)); [5990] [2024-12-05 09:34:10,923 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-12-05 09:34:11,031 INFO L204 MainTranslator]: Completed translation [2024-12-05 09:34:11,031 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 09:34:11 WrapperNode [2024-12-05 09:34:11,031 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-12-05 09:34:11,032 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-12-05 09:34:11,032 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-12-05 09:34:11,032 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-12-05 09:34:11,037 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 09:34:11" (1/1) ... [2024-12-05 09:34:11,092 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 09:34:11" (1/1) ... [2024-12-05 09:34:11,517 INFO L138 Inliner]: procedures = 401, calls = 2222, calls flagged for inlining = 831, calls inlined = 2267, statements flattened = 22471 [2024-12-05 09:34:11,518 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-12-05 09:34:11,519 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-12-05 09:34:11,519 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-12-05 09:34:11,519 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-12-05 09:34:11,528 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 09:34:11" (1/1) ... [2024-12-05 09:34:11,528 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 09:34:11" (1/1) ... [2024-12-05 09:34:11,591 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 09:34:11" (1/1) ... [2024-12-05 09:34:11,592 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 09:34:11" (1/1) ... [2024-12-05 09:34:11,852 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 09:34:11" (1/1) ... [2024-12-05 09:34:11,877 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 09:34:11" (1/1) ... [2024-12-05 09:34:11,919 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 09:34:11" (1/1) ... [2024-12-05 09:34:11,946 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 09:34:11" (1/1) ... [2024-12-05 09:34:11,973 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 09:34:11" (1/1) ... [2024-12-05 09:34:12,046 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-12-05 09:34:12,047 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-12-05 09:34:12,047 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-12-05 09:34:12,047 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-12-05 09:34:12,048 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 09:34:11" (1/1) ... [2024-12-05 09:34:12,053 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-12-05 09:34:12,064 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d36ee7fc-8550-4ed6-a6f0-6d77ce79633a/bin/ugemcutter-verify-L2ppAeDwQX/z3 [2024-12-05 09:34:12,076 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d36ee7fc-8550-4ed6-a6f0-6d77ce79633a/bin/ugemcutter-verify-L2ppAeDwQX/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2024-12-05 09:34:12,078 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d36ee7fc-8550-4ed6-a6f0-6d77ce79633a/bin/ugemcutter-verify-L2ppAeDwQX/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2024-12-05 09:34:12,101 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_interrupt_scenario_2 [2024-12-05 09:34:12,102 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_interrupt_scenario_2 [2024-12-05 09:34:12,102 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_insmod_6 [2024-12-05 09:34:12,102 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_insmod_6 [2024-12-05 09:34:12,102 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-12-05 09:34:12,102 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2024-12-05 09:34:12,102 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2024-12-05 09:34:12,102 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexLock [2024-12-05 09:34:12,102 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2024-12-05 09:34:12,102 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-12-05 09:34:12,102 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2024-12-05 09:34:12,102 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_pm_ops_scenario_5 [2024-12-05 09:34:12,102 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_pm_ops_scenario_5 [2024-12-05 09:34:12,102 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_platform_instance_4 [2024-12-05 09:34:12,102 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_platform_instance_4 [2024-12-05 09:34:12,102 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-12-05 09:34:12,102 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-12-05 09:34:12,102 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2024-12-05 09:34:12,102 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_random_allocationless_scenario_3 [2024-12-05 09:34:12,102 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_random_allocationless_scenario_3 [2024-12-05 09:34:12,102 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2024-12-05 09:34:12,103 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2024-12-05 09:34:12,103 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2024-12-05 09:34:12,103 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexUnlock [2024-12-05 09:34:12,103 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2024-12-05 09:34:12,103 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-12-05 09:34:12,113 WARN L203 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement. [2024-12-05 09:34:12,751 INFO L234 CfgBuilder]: Building ICFG [2024-12-05 09:34:12,753 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2024-12-05 09:34:28,010 INFO L279 CfgBuilder]: Omitted future-live optimization because the input is a concurrent program. [2024-12-05 09:34:28,010 INFO L283 CfgBuilder]: Performing block encoding [2024-12-05 09:34:43,860 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-12-05 09:34:43,860 INFO L312 CfgBuilder]: Removed 0 assume(true) statements. [2024-12-05 09:34:43,860 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 05.12 09:34:43 BoogieIcfgContainer [2024-12-05 09:34:43,861 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-12-05 09:34:43,862 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-12-05 09:34:43,862 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-12-05 09:34:43,866 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-12-05 09:34:43,866 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 05.12 09:34:08" (1/3) ... [2024-12-05 09:34:43,867 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6a3db79d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 05.12 09:34:43, skipping insertion in model container [2024-12-05 09:34:43,867 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 09:34:11" (2/3) ... [2024-12-05 09:34:43,867 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6a3db79d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 05.12 09:34:43, skipping insertion in model container [2024-12-05 09:34:43,867 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 05.12 09:34:43" (3/3) ... [2024-12-05 09:34:43,868 INFO L128 eAbstractionObserver]: Analyzing ICFG linux-3.14--drivers--net--irda--nsc-ircc.ko.cil.i [2024-12-05 09:34:43,879 INFO L216 ceAbstractionStarter]: Automizer settings: Hoare:None NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-12-05 09:34:43,881 INFO L151 ceAbstractionStarter]: Applying trace abstraction to ICFG linux-3.14--drivers--net--irda--nsc-ircc.ko.cil.i that has 6 procedures, 5304 locations, 1 initial locations, 6 loop locations, and 2579 error locations. [2024-12-05 09:34:43,882 INFO L491 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2024-12-05 09:34:46,919 INFO L143 ThreadInstanceAdder]: Constructed 109 joinOtherThreadTransitions. [2024-12-05 09:34:47,249 INFO L125 denceProviderFactory]: Independence Relation #1: [IndependenceType=SEMANTIC, AbstractionType=VARIABLES_GLOBAL, UseConditional=true, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-12-05 09:34:47,249 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 [2024-12-05 09:34:47,250 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d36ee7fc-8550-4ed6-a6f0-6d77ce79633a/bin/ugemcutter-verify-L2ppAeDwQX/z3 [2024-12-05 09:34:47,252 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d36ee7fc-8550-4ed6-a6f0-6d77ce79633a/bin/ugemcutter-verify-L2ppAeDwQX/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (exit command is (exit), workingDir is null) [2024-12-05 09:34:47,254 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d36ee7fc-8550-4ed6-a6f0-6d77ce79633a/bin/ugemcutter-verify-L2ppAeDwQX/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (2)] Waiting until timeout for monitored process [2024-12-05 09:34:48,335 INFO L177 artialOrderCegarLoop]: Running PartialOrderCegarLoop with 1 independence relations. [2024-12-05 09:34:48,344 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == ldv_insmod_6Thread1of1ForFork5 ======== [2024-12-05 09:34:48,351 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=PARTIAL_ORDER_FA, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=None, 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;@3cd83c27, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-12-05 09:34:48,351 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1373 error locations. [2024-12-05 09:34:56,667 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ldv_insmod_6Err0ASSERT_VIOLATIONMEMORY_FREE === [ldv_insmod_6Err0ASSERT_VIOLATIONMEMORY_FREE, ldv_insmod_6Err1ASSERT_VIOLATIONMEMORY_FREE, ldv_insmod_6Err2ASSERT_VIOLATIONMEMORY_FREE (and 1370 more)] === [2024-12-05 09:34:56,672 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-05 09:34:56,672 INFO L85 PathProgramCache]: Analyzing trace with hash 1950966501, now seen corresponding path program 1 times [2024-12-05 09:34:56,680 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-05 09:34:56,680 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1893274982] [2024-12-05 09:34:56,681 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-05 09:34:56,681 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-05 09:35:03,029 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 09:35:04,141 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-05 09:35:04,141 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-05 09:35:04,141 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1893274982] [2024-12-05 09:35:04,142 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1893274982] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-05 09:35:04,142 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-05 09:35:04,142 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-12-05 09:35:04,144 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [65713104] [2024-12-05 09:35:04,144 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-05 09:35:04,147 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-12-05 09:35:04,147 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-05 09:35:04,166 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-12-05 09:35:04,166 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-12-05 09:35:04,167 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-12-05 09:35:04,191 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-12-05 09:35:04,192 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 1.0) internal successors, (4), 4 states have internal predecessors, (4), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-12-05 09:35:04,192 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-12-05 09:35:06,329 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.13s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-12-05 09:35:08,461 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.13s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-12-05 09:35:10,593 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.13s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-12-05 09:35:11,154 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-12-05 09:35:11,155 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-12-05 09:35:11,155 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ldv_insmod_6Err1ASSERT_VIOLATIONMEMORY_FREE === [ldv_insmod_6Err0ASSERT_VIOLATIONMEMORY_FREE, ldv_insmod_6Err1ASSERT_VIOLATIONMEMORY_FREE, ldv_insmod_6Err2ASSERT_VIOLATIONMEMORY_FREE (and 1370 more)] === [2024-12-05 09:35:11,155 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-05 09:35:11,156 INFO L85 PathProgramCache]: Analyzing trace with hash 350493239, now seen corresponding path program 1 times [2024-12-05 09:35:11,156 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-05 09:35:11,156 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [768600520] [2024-12-05 09:35:11,156 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-05 09:35:11,156 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-05 09:35:18,493 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 09:35:19,320 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-05 09:35:19,320 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-05 09:35:19,320 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [768600520] [2024-12-05 09:35:19,320 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [768600520] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-05 09:35:19,320 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-05 09:35:19,320 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-12-05 09:35:19,320 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [89406194] [2024-12-05 09:35:19,320 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-05 09:35:19,321 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-12-05 09:35:19,322 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-05 09:35:19,322 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-12-05 09:35:19,322 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-12-05 09:35:19,322 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-12-05 09:35:19,330 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-12-05 09:35:19,330 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 1.25) internal successors, (5), 4 states have internal predecessors, (5), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-12-05 09:35:19,330 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-12-05 09:35:19,330 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-12-05 09:35:21,475 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 [] [2024-12-05 09:35:23,626 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.15s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-12-05 09:35:25,784 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.16s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-12-05 09:35:28,384 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 3 [2024-12-05 09:35:28,408 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-12-05 09:35:28,409 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 24 treesize of output 28 [2024-12-05 09:35:28,437 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-12-05 09:35:28,438 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 24 treesize of output 28 [2024-12-05 09:35:28,456 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 3 [2024-12-05 09:35:28,481 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-12-05 09:35:28,481 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 24 treesize of output 28 [2024-12-05 09:35:28,510 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 3 [2024-12-05 09:35:28,534 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-12-05 09:35:28,534 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 24 treesize of output 28 [2024-12-05 09:35:28,576 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-12-05 09:35:28,577 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-12-05 09:35:28,577 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-12-05 09:35:28,577 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ldv_insmod_6Err2ASSERT_VIOLATIONMEMORY_FREE === [ldv_insmod_6Err0ASSERT_VIOLATIONMEMORY_FREE, ldv_insmod_6Err1ASSERT_VIOLATIONMEMORY_FREE, ldv_insmod_6Err2ASSERT_VIOLATIONMEMORY_FREE (and 1370 more)] === [2024-12-05 09:35:28,577 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-05 09:35:28,577 INFO L85 PathProgramCache]: Analyzing trace with hash -2019537625, now seen corresponding path program 1 times [2024-12-05 09:35:28,578 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-05 09:35:28,578 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [524206613] [2024-12-05 09:35:28,578 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-05 09:35:28,578 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-05 09:35:34,792 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 09:35:35,590 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-05 09:35:35,591 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-05 09:35:35,591 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [524206613] [2024-12-05 09:35:35,591 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [524206613] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-05 09:35:35,591 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-05 09:35:35,591 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-12-05 09:35:35,591 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [101890420] [2024-12-05 09:35:35,591 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-05 09:35:35,591 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-12-05 09:35:35,592 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-05 09:35:35,592 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-12-05 09:35:35,592 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-12-05 09:35:35,592 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-12-05 09:35:35,599 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-12-05 09:35:35,599 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 1.5) internal successors, (6), 4 states have internal predecessors, (6), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-12-05 09:35:35,599 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-12-05 09:35:35,599 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-12-05 09:35:35,599 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-12-05 09:35:37,667 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.07s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-12-05 09:35:39,825 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.16s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-12-05 09:35:41,958 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.13s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-12-05 09:35:49,594 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-12-05 09:35:49,594 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-12-05 09:35:49,594 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-12-05 09:35:49,595 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2024-12-05 09:35:49,595 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ldv_insmod_6Err1289REQUIRES_VIOLATIONMEMORY_DEREFERENCE === [ldv_insmod_6Err0ASSERT_VIOLATIONMEMORY_FREE, ldv_insmod_6Err1ASSERT_VIOLATIONMEMORY_FREE, ldv_insmod_6Err2ASSERT_VIOLATIONMEMORY_FREE (and 1370 more)] === [2024-12-05 09:35:49,595 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-05 09:35:49,595 INFO L85 PathProgramCache]: Analyzing trace with hash -734531473, now seen corresponding path program 1 times [2024-12-05 09:35:49,595 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-05 09:35:49,595 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1712274242] [2024-12-05 09:35:49,595 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-05 09:35:49,596 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-05 09:35:55,835 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 09:35:56,034 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-05 09:35:56,034 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-05 09:35:56,034 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1712274242] [2024-12-05 09:35:56,034 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1712274242] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-05 09:35:56,034 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-05 09:35:56,035 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-12-05 09:35:56,035 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2019985539] [2024-12-05 09:35:56,035 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-05 09:35:56,035 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-12-05 09:35:56,035 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-05 09:35:56,036 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-12-05 09:35:56,036 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-12-05 09:35:56,036 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-12-05 09:35:56,048 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-12-05 09:35:56,049 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 7.5) internal successors, (15), 3 states have internal predecessors, (15), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-12-05 09:35:56,049 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-12-05 09:35:56,049 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-12-05 09:35:56,049 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-12-05 09:35:56,049 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-12-05 09:35:58,115 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.06s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-12-05 09:35:59,596 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-12-05 09:35:59,596 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-12-05 09:35:59,596 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-12-05 09:35:59,596 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-12-05 09:35:59,596 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2024-12-05 09:35:59,596 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting ldv_insmod_6Err1290REQUIRES_VIOLATIONMEMORY_DEREFERENCE === [ldv_insmod_6Err0ASSERT_VIOLATIONMEMORY_FREE, ldv_insmod_6Err1ASSERT_VIOLATIONMEMORY_FREE, ldv_insmod_6Err2ASSERT_VIOLATIONMEMORY_FREE (and 1370 more)] === [2024-12-05 09:35:59,597 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-05 09:35:59,597 INFO L85 PathProgramCache]: Analyzing trace with hash -734531472, now seen corresponding path program 1 times [2024-12-05 09:35:59,597 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-05 09:35:59,597 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [17568818] [2024-12-05 09:35:59,597 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-05 09:35:59,597 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-05 09:36:05,692 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 09:36:06,412 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-05 09:36:06,412 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-05 09:36:06,412 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [17568818] [2024-12-05 09:36:06,412 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [17568818] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-05 09:36:06,412 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-05 09:36:06,412 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-12-05 09:36:06,412 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [118395647] [2024-12-05 09:36:06,412 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-05 09:36:06,413 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-12-05 09:36:06,413 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-05 09:36:06,413 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-12-05 09:36:06,413 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=10, Unknown=0, NotChecked=0, Total=20 [2024-12-05 09:36:06,413 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-12-05 09:36:06,428 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-12-05 09:36:06,429 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 3.75) internal successors, (15), 4 states have internal predecessors, (15), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-12-05 09:36:06,429 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-12-05 09:36:06,429 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-12-05 09:36:06,429 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-12-05 09:36:06,429 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-12-05 09:36:06,429 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-12-05 09:36:08,487 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.06s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-12-05 09:36:10,649 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.16s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-12-05 09:36:12,790 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 [] [2024-12-05 09:36:20,256 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-12-05 09:36:20,256 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-12-05 09:36:20,256 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-12-05 09:36:20,257 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-12-05 09:36:20,257 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-12-05 09:36:20,257 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2024-12-05 09:36:20,257 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting ldv_insmod_6Err1291REQUIRES_VIOLATIONMEMORY_DEREFERENCE === [ldv_insmod_6Err0ASSERT_VIOLATIONMEMORY_FREE, ldv_insmod_6Err1ASSERT_VIOLATIONMEMORY_FREE, ldv_insmod_6Err2ASSERT_VIOLATIONMEMORY_FREE (and 1370 more)] === [2024-12-05 09:36:20,258 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-05 09:36:20,258 INFO L85 PathProgramCache]: Analyzing trace with hash -1507743147, now seen corresponding path program 1 times [2024-12-05 09:36:20,258 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-05 09:36:20,258 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2076649709] [2024-12-05 09:36:20,258 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-05 09:36:20,258 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-05 09:36:26,752 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 09:36:27,865 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-05 09:36:27,865 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-05 09:36:27,865 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2076649709] [2024-12-05 09:36:27,865 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2076649709] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-05 09:36:27,865 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-05 09:36:27,865 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2024-12-05 09:36:27,865 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1028374512] [2024-12-05 09:36:27,865 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-05 09:36:27,866 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-12-05 09:36:27,866 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-05 09:36:27,866 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-12-05 09:36:27,866 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2024-12-05 09:36:27,866 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-12-05 09:36:27,871 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-12-05 09:36:27,871 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 2.8333333333333335) internal successors, (17), 6 states have internal predecessors, (17), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-12-05 09:36:27,871 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-12-05 09:36:27,871 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-12-05 09:36:27,871 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-12-05 09:36:27,871 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-12-05 09:36:27,871 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-12-05 09:36:27,871 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-12-05 09:36:29,941 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.07s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-12-05 09:36:32,096 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.15s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-12-05 09:36:34,218 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.12s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-12-05 09:36:36,348 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.13s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-12-05 09:36:38,490 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.14s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-12-05 09:36:40,654 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-12-05 09:36:40,654 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-12-05 09:36:40,654 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-12-05 09:36:40,654 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-12-05 09:36:40,654 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-12-05 09:36:40,655 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-12-05 09:36:40,655 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2024-12-05 09:36:40,655 INFO L396 AbstractCegarLoop]: === Iteration 7 === Targeting ldv_insmod_6Err3REQUIRES_VIOLATIONMEMORY_DEREFERENCE === [ldv_insmod_6Err0ASSERT_VIOLATIONMEMORY_FREE, ldv_insmod_6Err1ASSERT_VIOLATIONMEMORY_FREE, ldv_insmod_6Err2ASSERT_VIOLATIONMEMORY_FREE (and 1370 more)] === [2024-12-05 09:36:40,655 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-05 09:36:40,656 INFO L85 PathProgramCache]: Analyzing trace with hash 551923562, now seen corresponding path program 1 times [2024-12-05 09:36:40,656 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-05 09:36:40,656 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [603595194] [2024-12-05 09:36:40,656 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-05 09:36:40,656 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-05 09:36:46,911 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 09:36:47,359 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-05 09:36:47,359 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-05 09:36:47,359 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [603595194] [2024-12-05 09:36:47,359 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [603595194] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-05 09:36:47,359 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-05 09:36:47,359 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-12-05 09:36:47,359 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1837560141] [2024-12-05 09:36:47,359 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-05 09:36:47,359 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-12-05 09:36:47,359 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-05 09:36:47,360 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-12-05 09:36:47,360 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-12-05 09:36:47,360 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-12-05 09:36:47,364 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-12-05 09:36:47,364 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 4.0) internal successors, (8), 3 states have internal predecessors, (8), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-12-05 09:36:47,364 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-12-05 09:36:47,364 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-12-05 09:36:47,364 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-12-05 09:36:47,364 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-12-05 09:36:47,364 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-12-05 09:36:47,364 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-12-05 09:36:47,364 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-12-05 09:36:49,428 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.06s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-12-05 09:36:51,586 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.16s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-12-05 09:36:53,225 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-12-05 09:36:53,225 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-12-05 09:36:53,226 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-12-05 09:36:53,226 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-12-05 09:36:53,226 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-12-05 09:36:53,226 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-12-05 09:36:53,226 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-12-05 09:36:53,226 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2024-12-05 09:36:53,226 INFO L396 AbstractCegarLoop]: === Iteration 8 === Targeting ldv_insmod_6Err4REQUIRES_VIOLATIONMEMORY_DEREFERENCE === [ldv_insmod_6Err0ASSERT_VIOLATIONMEMORY_FREE, ldv_insmod_6Err1ASSERT_VIOLATIONMEMORY_FREE, ldv_insmod_6Err2ASSERT_VIOLATIONMEMORY_FREE (and 1370 more)] === [2024-12-05 09:36:53,227 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-05 09:36:53,227 INFO L85 PathProgramCache]: Analyzing trace with hash 551923563, now seen corresponding path program 1 times [2024-12-05 09:36:53,227 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-05 09:36:53,227 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1767780479] [2024-12-05 09:36:53,227 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-05 09:36:53,227 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-05 09:36:59,374 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 09:37:00,118 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-05 09:37:00,118 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-05 09:37:00,118 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1767780479] [2024-12-05 09:37:00,118 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1767780479] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-05 09:37:00,118 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-05 09:37:00,118 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-12-05 09:37:00,118 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1031090647] [2024-12-05 09:37:00,119 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-05 09:37:00,119 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-12-05 09:37:00,119 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-05 09:37:00,119 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-12-05 09:37:00,119 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-12-05 09:37:00,119 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-12-05 09:37:00,123 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-12-05 09:37:00,123 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 4.0) internal successors, (8), 3 states have internal predecessors, (8), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-12-05 09:37:00,123 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-12-05 09:37:00,124 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-12-05 09:37:00,124 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-12-05 09:37:00,124 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-12-05 09:37:00,124 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-12-05 09:37:00,124 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-12-05 09:37:00,124 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-12-05 09:37:00,124 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-12-05 09:37:02,193 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.07s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-12-05 09:37:04,393 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.20s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-12-05 09:37:07,257 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-12-05 09:37:07,257 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-12-05 09:37:07,257 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-12-05 09:37:07,257 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-12-05 09:37:07,258 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-12-05 09:37:07,258 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-12-05 09:37:07,258 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-12-05 09:37:07,258 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-12-05 09:37:07,258 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2024-12-05 09:37:07,258 INFO L396 AbstractCegarLoop]: === Iteration 9 === Targeting ldv_insmod_6Err1291REQUIRES_VIOLATIONMEMORY_DEREFERENCE === [ldv_insmod_6Err0ASSERT_VIOLATIONMEMORY_FREE, ldv_insmod_6Err1ASSERT_VIOLATIONMEMORY_FREE, ldv_insmod_6Err2ASSERT_VIOLATIONMEMORY_FREE (and 1370 more)] === [2024-12-05 09:37:07,258 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-05 09:37:07,259 INFO L85 PathProgramCache]: Analyzing trace with hash -1171061444, now seen corresponding path program 1 times [2024-12-05 09:37:07,259 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-05 09:37:07,259 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1934735631] [2024-12-05 09:37:07,259 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-05 09:37:07,259 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-05 09:37:13,325 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 09:37:13,703 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-05 09:37:13,703 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-05 09:37:13,703 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1934735631] [2024-12-05 09:37:13,703 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1934735631] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-05 09:37:13,703 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-05 09:37:13,703 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-12-05 09:37:13,703 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1252345517] [2024-12-05 09:37:13,703 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-05 09:37:13,704 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-12-05 09:37:13,704 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-05 09:37:13,704 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-12-05 09:37:13,704 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-12-05 09:37:13,705 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-12-05 09:37:13,708 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-12-05 09:37:13,709 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 5.0) internal successors, (20), 4 states have internal predecessors, (20), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-12-05 09:37:13,709 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-12-05 09:37:13,709 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-12-05 09:37:13,709 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-12-05 09:37:13,709 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-12-05 09:37:13,709 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-12-05 09:37:13,709 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2024-12-05 09:37:13,709 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-12-05 09:37:13,709 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-12-05 09:37:13,709 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-12-05 09:37:15,775 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.06s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-12-05 09:37:17,934 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.16s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-12-05 09:37:20,060 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 []