./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-43_2a-drivers--usb--host--oxu210hp-hcd.ko-entry_point.cil.out.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 9bd2c7ff Calling Ultimate with: /usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e8d55719-c91f-4818-bd63-f065a6d1a300/bin/uautomizer-verify-uCwYo4JHxu/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e8d55719-c91f-4818-bd63-f065a6d1a300/bin/uautomizer-verify-uCwYo4JHxu/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e8d55719-c91f-4818-bd63-f065a6d1a300/bin/uautomizer-verify-uCwYo4JHxu/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e8d55719-c91f-4818-bd63-f065a6d1a300/bin/uautomizer-verify-uCwYo4JHxu/config/AutomizerReach.xml -i ../../sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-43_2a-drivers--usb--host--oxu210hp-hcd.ko-entry_point.cil.out.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e8d55719-c91f-4818-bd63-f065a6d1a300/bin/uautomizer-verify-uCwYo4JHxu/config/svcomp-Reach-64bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e8d55719-c91f-4818-bd63-f065a6d1a300/bin/uautomizer-verify-uCwYo4JHxu --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 64bit --witnessprinter.graph.data.programhash 2f349249e9e86997fa8ff3fec7fb7aa332cbfd0034f841eea19465e389dd90de --- Real Ultimate output --- This is Ultimate 0.2.3-dev-9bd2c7f [2023-11-19 07:47:14,551 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-19 07:47:14,657 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e8d55719-c91f-4818-bd63-f065a6d1a300/bin/uautomizer-verify-uCwYo4JHxu/config/svcomp-Reach-64bit-Automizer_Default.epf [2023-11-19 07:47:14,667 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-19 07:47:14,667 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-11-19 07:47:14,707 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-19 07:47:14,707 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-11-19 07:47:14,708 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-11-19 07:47:14,709 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-19 07:47:14,709 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-11-19 07:47:14,710 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-19 07:47:14,710 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-19 07:47:14,711 INFO L153 SettingsManager]: * Use SBE=true [2023-11-19 07:47:14,712 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-19 07:47:14,714 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-19 07:47:14,714 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-19 07:47:14,716 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-19 07:47:14,719 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-19 07:47:14,720 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-19 07:47:14,720 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-19 07:47:14,721 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-19 07:47:14,722 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-19 07:47:14,723 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-19 07:47:14,725 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-11-19 07:47:14,725 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-11-19 07:47:14,725 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-19 07:47:14,726 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-19 07:47:14,726 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-19 07:47:14,727 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-19 07:47:14,727 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2023-11-19 07:47:14,728 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-19 07:47:14,729 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2023-11-19 07:47:14,729 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-19 07:47:14,729 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2023-11-19 07:47:14,730 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-19 07:47:14,730 INFO L153 SettingsManager]: * Independence relation used for large block encoding in concurrent analysis=SYNTACTIC [2023-11-19 07:47:14,730 INFO L153 SettingsManager]: * Looper check in Petri net analysis=SEMANTIC WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e8d55719-c91f-4818-bd63-f065a6d1a300/bin/uautomizer-verify-uCwYo4JHxu/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e8d55719-c91f-4818-bd63-f065a6d1a300/bin/uautomizer-verify-uCwYo4JHxu Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 2f349249e9e86997fa8ff3fec7fb7aa332cbfd0034f841eea19465e389dd90de [2023-11-19 07:47:14,999 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-19 07:47:15,031 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-19 07:47:15,034 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-19 07:47:15,035 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-19 07:47:15,036 INFO L274 PluginConnector]: CDTParser initialized [2023-11-19 07:47:15,037 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e8d55719-c91f-4818-bd63-f065a6d1a300/bin/uautomizer-verify-uCwYo4JHxu/../../sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-43_2a-drivers--usb--host--oxu210hp-hcd.ko-entry_point.cil.out.i [2023-11-19 07:47:18,216 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-19 07:47:18,949 INFO L384 CDTParser]: Found 1 translation units. [2023-11-19 07:47:18,949 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e8d55719-c91f-4818-bd63-f065a6d1a300/sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-43_2a-drivers--usb--host--oxu210hp-hcd.ko-entry_point.cil.out.i [2023-11-19 07:47:19,007 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e8d55719-c91f-4818-bd63-f065a6d1a300/bin/uautomizer-verify-uCwYo4JHxu/data/e9cae4766/29b14b6aa62846fd946a3b9463c4f5e5/FLAG5ba571ce3 [2023-11-19 07:47:19,026 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e8d55719-c91f-4818-bd63-f065a6d1a300/bin/uautomizer-verify-uCwYo4JHxu/data/e9cae4766/29b14b6aa62846fd946a3b9463c4f5e5 [2023-11-19 07:47:19,031 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-19 07:47:19,032 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-19 07:47:19,035 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-19 07:47:19,037 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-19 07:47:19,042 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-19 07:47:19,043 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 07:47:19" (1/1) ... [2023-11-19 07:47:19,044 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@29826a95 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:47:19, skipping insertion in model container [2023-11-19 07:47:19,044 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 07:47:19" (1/1) ... [2023-11-19 07:47:19,223 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-19 07:47:21,434 WARN L240 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e8d55719-c91f-4818-bd63-f065a6d1a300/sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-43_2a-drivers--usb--host--oxu210hp-hcd.ko-entry_point.cil.out.i[281346,281359] [2023-11-19 07:47:21,481 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 07:47:21,508 INFO L202 MainTranslator]: Completed pre-run [2023-11-19 07:47:21,603 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"); [3818] [2023-11-19 07:47:21,605 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)); [3825] [2023-11-19 07:47:21,606 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile (".pushsection .smp_locks,\"a\"\n.balign 4\n.long 671f - .\n.popsection\n671:\n\tlock; bts %2, %0; setc %1": "+m" (*addr), "=qm" (c): "Ir" (nr): "memory"); [3833-3834] [2023-11-19 07:47:21,607 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)); [3848-3849] [2023-11-19 07:47:21,608 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("bsfl %1,%0": "=r" (r): "rm" (x), "0" (-1)); [3857] [2023-11-19 07:47:21,626 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; subl %2, %0; sete %1": "+m" (v->counter), "=qm" (c): "er" (i): "memory"); [4054-4055] [2023-11-19 07:47:21,628 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile (".pushsection .smp_locks,\"a\"\n.balign 4\n.long 671f - .\n.popsection\n671:\n\tlock; xaddb %b0, %1\n": "+q" (__ret), "+m" (v->counter): : "memory", "cc"); [4066-4067] [2023-11-19 07:47:21,629 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile (".pushsection .smp_locks,\"a\"\n.balign 4\n.long 671f - .\n.popsection\n671:\n\tlock; xaddw %w0, %1\n": "+r" (__ret), "+m" (v->counter): : "memory", "cc"); [4070-4071] [2023-11-19 07:47:21,629 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile (".pushsection .smp_locks,\"a\"\n.balign 4\n.long 671f - .\n.popsection\n671:\n\tlock; xaddl %0, %1\n": "+r" (__ret), "+m" (v->counter): : "memory", "cc"); [4074-4075] [2023-11-19 07:47:21,630 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile (".pushsection .smp_locks,\"a\"\n.balign 4\n.long 671f - .\n.popsection\n671:\n\tlock; xaddq %q0, %1\n": "+r" (__ret), "+m" (v->counter): : "memory", "cc"); [4078-4079] [2023-11-19 07:47:21,634 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("movl %1,%0": "=r" (ret): "m" (*((unsigned int volatile *)addr)): "memory"); [4183] [2023-11-19 07:47:21,634 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("movl %0,%1": : "r" (val), "m" (*((unsigned int volatile *)addr)): "memory"); [4190] [2023-11-19 07:47:21,740 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/ldvuser/mutilin/launch/work/current--X--drivers/--X--defaultlinux-4.2-rc1.tar.xz--X--43_2a--X--cpachecker/linux-4.2-rc1.tar.xz/csd_deg_dscv/9566/dscv_tempdir/dscv/ri/43_2a/drivers/usb/host/oxu210hp-hcd.c"), "i" (398), "i" (12UL)); [4715-4716] [2023-11-19 07:47:21,758 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/ldvuser/mutilin/launch/work/current--X--drivers/--X--defaultlinux-4.2-rc1.tar.xz--X--43_2a--X--cpachecker/linux-4.2-rc1.tar.xz/csd_deg_dscv/9566/dscv_tempdir/dscv/ri/43_2a/drivers/usb/host/oxu210hp-hcd.c"), "i" (626), "i" (12UL)); [5000-5001] [2023-11-19 07:47:21,774 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/ldvuser/mutilin/launch/work/current--X--drivers/--X--defaultlinux-4.2-rc1.tar.xz--X--43_2a--X--cpachecker/linux-4.2-rc1.tar.xz/csd_deg_dscv/9566/dscv_tempdir/dscv/ri/43_2a/drivers/usb/host/oxu210hp-hcd.c"), "i" (824), "i" (12UL)); [5297-5298] [2023-11-19 07:47:21,776 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("sfence": : : "memory"); [5318] [2023-11-19 07:47:21,788 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("lfence": : : "memory"); [5537] [2023-11-19 07:47:21,792 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("sfence": : : "memory"); [5588] [2023-11-19 07:47:21,818 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("sfence": : : "memory"); [6022] [2023-11-19 07:47:21,826 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("sfence": : : "memory"); [6080] [2023-11-19 07:47:21,829 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("sfence": : : "memory"); [6095] [2023-11-19 07:47:21,843 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/ldvuser/mutilin/launch/work/current--X--drivers/--X--defaultlinux-4.2-rc1.tar.xz--X--43_2a--X--cpachecker/linux-4.2-rc1.tar.xz/csd_deg_dscv/9566/dscv_tempdir/dscv/ri/43_2a/drivers/usb/host/oxu210hp-hcd.c"), "i" (1711), "i" (12UL)); [6220-6221] [2023-11-19 07:47:21,845 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/ldvuser/mutilin/launch/work/current--X--drivers/--X--defaultlinux-4.2-rc1.tar.xz--X--43_2a--X--cpachecker/linux-4.2-rc1.tar.xz/csd_deg_dscv/9566/dscv_tempdir/dscv/ri/43_2a/drivers/usb/host/oxu210hp-hcd.c"), "i" (1714), "i" (12UL)); [6227-6228] [2023-11-19 07:47:21,847 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("sfence": : : "memory"); [6238] [2023-11-19 07:47:21,851 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("sfence": : : "memory"); [6259] [2023-11-19 07:47:21,873 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("sfence": : : "memory"); [6549] [2023-11-19 07:47:21,881 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("sfence": : : "memory"); [6640] [2023-11-19 07:47:21,891 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/ldvuser/mutilin/launch/work/current--X--drivers/--X--defaultlinux-4.2-rc1.tar.xz--X--43_2a--X--cpachecker/linux-4.2-rc1.tar.xz/csd_deg_dscv/9566/dscv_tempdir/dscv/ri/43_2a/drivers/usb/host/oxu210hp-hcd.c"), "i" (2227), "i" (12UL)); [6856-6857] [2023-11-19 07:47:22,095 WARN L240 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e8d55719-c91f-4818-bd63-f065a6d1a300/sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-43_2a-drivers--usb--host--oxu210hp-hcd.ko-entry_point.cil.out.i[281346,281359] [2023-11-19 07:47:22,100 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 07:47:22,189 WARN L675 CHandler]: The function ldv_calloc is called, but not defined or handled by StandardFunctionHandler. [2023-11-19 07:47:22,190 WARN L675 CHandler]: The function __xadd_wrong_size is called, but not defined or handled by StandardFunctionHandler. [2023-11-19 07:47:22,190 WARN L675 CHandler]: The function __bad_unaligned_access_size is called, but not defined or handled by StandardFunctionHandler. [2023-11-19 07:47:22,197 INFO L206 MainTranslator]: Completed translation [2023-11-19 07:47:22,198 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:47:22 WrapperNode [2023-11-19 07:47:22,198 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-19 07:47:22,200 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-19 07:47:22,200 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-19 07:47:22,200 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-19 07:47:22,207 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:47:22" (1/1) ... [2023-11-19 07:47:22,328 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:47:22" (1/1) ... [2023-11-19 07:47:22,629 INFO L138 Inliner]: procedures = 272, calls = 3049, calls flagged for inlining = 111, calls inlined = 108, statements flattened = 8190 [2023-11-19 07:47:22,632 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-19 07:47:22,633 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-19 07:47:22,633 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-19 07:47:22,633 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-19 07:47:22,643 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:47:22" (1/1) ... [2023-11-19 07:47:22,644 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:47:22" (1/1) ... [2023-11-19 07:47:22,715 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:47:22" (1/1) ... [2023-11-19 07:47:22,717 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:47:22" (1/1) ... [2023-11-19 07:47:22,916 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:47:22" (1/1) ... [2023-11-19 07:47:22,953 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:47:22" (1/1) ... [2023-11-19 07:47:22,980 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:47:22" (1/1) ... [2023-11-19 07:47:23,001 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:47:22" (1/1) ... [2023-11-19 07:47:23,058 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-19 07:47:23,059 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-19 07:47:23,059 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-19 07:47:23,060 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-19 07:47:23,061 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:47:22" (1/1) ... [2023-11-19 07:47:23,067 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-19 07:47:23,081 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e8d55719-c91f-4818-bd63-f065a6d1a300/bin/uautomizer-verify-uCwYo4JHxu/z3 [2023-11-19 07:47:23,100 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e8d55719-c91f-4818-bd63-f065a6d1a300/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2023-11-19 07:47:23,212 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e8d55719-c91f-4818-bd63-f065a6d1a300/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2023-11-19 07:47:23,228 INFO L130 BoogieDeclarations]: Found specification of procedure ehci_reset [2023-11-19 07:47:23,230 INFO L138 BoogieDeclarations]: Found implementation of procedure ehci_reset [2023-11-19 07:47:23,231 INFO L130 BoogieDeclarations]: Found specification of procedure end_unlink_async [2023-11-19 07:47:23,231 INFO L138 BoogieDeclarations]: Found implementation of procedure end_unlink_async [2023-11-19 07:47:23,231 INFO L130 BoogieDeclarations]: Found specification of procedure dbg_status_buf [2023-11-19 07:47:23,231 INFO L138 BoogieDeclarations]: Found implementation of procedure dbg_status_buf [2023-11-19 07:47:23,232 INFO L130 BoogieDeclarations]: Found specification of procedure msleep [2023-11-19 07:47:23,232 INFO L138 BoogieDeclarations]: Found implementation of procedure msleep [2023-11-19 07:47:23,232 INFO L130 BoogieDeclarations]: Found specification of procedure kref_sub [2023-11-19 07:47:23,232 INFO L138 BoogieDeclarations]: Found implementation of procedure kref_sub [2023-11-19 07:47:23,233 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2023-11-19 07:47:23,233 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2023-11-19 07:47:23,233 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2023-11-19 07:47:23,234 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2023-11-19 07:47:23,234 INFO L130 BoogieDeclarations]: Found specification of procedure scan_periodic [2023-11-19 07:47:23,234 INFO L138 BoogieDeclarations]: Found implementation of procedure scan_periodic [2023-11-19 07:47:23,234 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.meminit [2023-11-19 07:47:23,234 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.meminit [2023-11-19 07:47:23,234 INFO L130 BoogieDeclarations]: Found specification of procedure variable_test_bit [2023-11-19 07:47:23,235 INFO L138 BoogieDeclarations]: Found implementation of procedure variable_test_bit [2023-11-19 07:47:23,235 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_lock [2023-11-19 07:47:23,235 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_lock [2023-11-19 07:47:23,235 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2023-11-19 07:47:23,235 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2023-11-19 07:47:23,235 INFO L130 BoogieDeclarations]: Found specification of procedure oxu_create [2023-11-19 07:47:23,236 INFO L138 BoogieDeclarations]: Found implementation of procedure oxu_create [2023-11-19 07:47:23,236 INFO L130 BoogieDeclarations]: Found specification of procedure oxu_readl [2023-11-19 07:47:23,236 INFO L138 BoogieDeclarations]: Found implementation of procedure oxu_readl [2023-11-19 07:47:23,236 INFO L130 BoogieDeclarations]: Found specification of procedure oxu_run [2023-11-19 07:47:23,236 INFO L138 BoogieDeclarations]: Found implementation of procedure oxu_run [2023-11-19 07:47:23,236 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_error [2023-11-19 07:47:23,236 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_error [2023-11-19 07:47:23,237 INFO L130 BoogieDeclarations]: Found specification of procedure periodic_next_shadow [2023-11-19 07:47:23,237 INFO L138 BoogieDeclarations]: Found implementation of procedure periodic_next_shadow [2023-11-19 07:47:23,237 INFO L130 BoogieDeclarations]: Found specification of procedure qh_put [2023-11-19 07:47:23,237 INFO L138 BoogieDeclarations]: Found implementation of procedure qh_put [2023-11-19 07:47:23,237 INFO L130 BoogieDeclarations]: Found specification of procedure oxu_irq [2023-11-19 07:47:23,237 INFO L138 BoogieDeclarations]: Found implementation of procedure oxu_irq [2023-11-19 07:47:23,238 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2023-11-19 07:47:23,238 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2023-11-19 07:47:23,239 INFO L130 BoogieDeclarations]: Found specification of procedure scan_async [2023-11-19 07:47:23,239 INFO L138 BoogieDeclarations]: Found implementation of procedure scan_async [2023-11-19 07:47:23,239 INFO L130 BoogieDeclarations]: Found specification of procedure kcalloc [2023-11-19 07:47:23,240 INFO L138 BoogieDeclarations]: Found implementation of procedure kcalloc [2023-11-19 07:47:23,240 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2023-11-19 07:47:23,240 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2023-11-19 07:47:23,240 INFO L130 BoogieDeclarations]: Found specification of procedure ehci_halt [2023-11-19 07:47:23,240 INFO L138 BoogieDeclarations]: Found implementation of procedure ehci_halt [2023-11-19 07:47:23,240 INFO L130 BoogieDeclarations]: Found specification of procedure oxu_endpoint_disable [2023-11-19 07:47:23,241 INFO L138 BoogieDeclarations]: Found implementation of procedure oxu_endpoint_disable [2023-11-19 07:47:23,241 INFO L130 BoogieDeclarations]: Found specification of procedure usb_maxpacket [2023-11-19 07:47:23,241 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_maxpacket [2023-11-19 07:47:23,241 INFO L130 BoogieDeclarations]: Found specification of procedure spinlock_check [2023-11-19 07:47:23,241 INFO L138 BoogieDeclarations]: Found implementation of procedure spinlock_check [2023-11-19 07:47:23,242 INFO L130 BoogieDeclarations]: Found specification of procedure ERR_PTR [2023-11-19 07:47:23,242 INFO L138 BoogieDeclarations]: Found implementation of procedure ERR_PTR [2023-11-19 07:47:23,242 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_timer_1 [2023-11-19 07:47:23,242 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_timer_1 [2023-11-19 07:47:23,242 INFO L130 BoogieDeclarations]: Found specification of procedure oxu_qtd_free [2023-11-19 07:47:23,243 INFO L138 BoogieDeclarations]: Found implementation of procedure oxu_qtd_free [2023-11-19 07:47:23,243 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-11-19 07:47:23,243 INFO L130 BoogieDeclarations]: Found specification of procedure INIT_LIST_HEAD [2023-11-19 07:47:23,243 INFO L138 BoogieDeclarations]: Found implementation of procedure INIT_LIST_HEAD [2023-11-19 07:47:23,244 INFO L130 BoogieDeclarations]: Found specification of procedure qtd_list_free [2023-11-19 07:47:23,244 INFO L138 BoogieDeclarations]: Found implementation of procedure qtd_list_free [2023-11-19 07:47:23,244 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2023-11-19 07:47:23,244 INFO L130 BoogieDeclarations]: Found specification of procedure qtd_fill [2023-11-19 07:47:23,245 INFO L138 BoogieDeclarations]: Found implementation of procedure qtd_fill [2023-11-19 07:47:23,245 INFO L130 BoogieDeclarations]: Found specification of procedure __xadd_wrong_size [2023-11-19 07:47:23,245 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock [2023-11-19 07:47:23,245 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock [2023-11-19 07:47:23,245 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_is_err [2023-11-19 07:47:23,245 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_is_err [2023-11-19 07:47:23,245 INFO L130 BoogieDeclarations]: Found specification of procedure oxu_writel [2023-11-19 07:47:23,246 INFO L138 BoogieDeclarations]: Found implementation of procedure oxu_writel [2023-11-19 07:47:23,246 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock_irqrestore [2023-11-19 07:47:23,246 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock_irqrestore [2023-11-19 07:47:23,246 INFO L130 BoogieDeclarations]: Found specification of procedure oxu_drv_shutdown [2023-11-19 07:47:23,246 INFO L138 BoogieDeclarations]: Found implementation of procedure oxu_drv_shutdown [2023-11-19 07:47:23,246 INFO L130 BoogieDeclarations]: Found specification of procedure platform_get_resource [2023-11-19 07:47:23,246 INFO L138 BoogieDeclarations]: Found implementation of procedure platform_get_resource [2023-11-19 07:47:23,247 INFO L130 BoogieDeclarations]: Found specification of procedure oxu_murb_alloc [2023-11-19 07:47:23,247 INFO L138 BoogieDeclarations]: Found implementation of procedure oxu_murb_alloc [2023-11-19 07:47:23,247 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-11-19 07:47:23,247 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2023-11-19 07:47:23,248 INFO L130 BoogieDeclarations]: Found specification of procedure dbg_command_buf [2023-11-19 07:47:23,248 INFO L138 BoogieDeclarations]: Found implementation of procedure dbg_command_buf [2023-11-19 07:47:23,248 INFO L130 BoogieDeclarations]: Found specification of procedure oxu_urb_enqueue [2023-11-19 07:47:23,248 INFO L138 BoogieDeclarations]: Found implementation of procedure oxu_urb_enqueue [2023-11-19 07:47:23,249 INFO L130 BoogieDeclarations]: Found specification of procedure usb_hc_died [2023-11-19 07:47:23,249 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_hc_died [2023-11-19 07:47:23,249 INFO L130 BoogieDeclarations]: Found specification of procedure periodic_usecs [2023-11-19 07:47:23,249 INFO L138 BoogieDeclarations]: Found implementation of procedure periodic_usecs [2023-11-19 07:47:23,250 INFO L130 BoogieDeclarations]: Found specification of procedure intr_deschedule [2023-11-19 07:47:23,250 INFO L138 BoogieDeclarations]: Found implementation of procedure intr_deschedule [2023-11-19 07:47:23,250 INFO L130 BoogieDeclarations]: Found specification of procedure dev_err [2023-11-19 07:47:23,250 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_err [2023-11-19 07:47:23,250 INFO L130 BoogieDeclarations]: Found specification of procedure oxu_buf_alloc [2023-11-19 07:47:23,251 INFO L138 BoogieDeclarations]: Found implementation of procedure oxu_buf_alloc [2023-11-19 07:47:23,251 INFO L130 BoogieDeclarations]: Found specification of procedure list_del [2023-11-19 07:47:23,251 INFO L138 BoogieDeclarations]: Found implementation of procedure list_del [2023-11-19 07:47:23,251 INFO L130 BoogieDeclarations]: Found specification of procedure oxu_hub_control [2023-11-19 07:47:23,251 INFO L138 BoogieDeclarations]: Found implementation of procedure oxu_hub_control [2023-11-19 07:47:23,251 INFO L130 BoogieDeclarations]: Found specification of procedure __bad_unaligned_access_size [2023-11-19 07:47:23,251 INFO L130 BoogieDeclarations]: Found specification of procedure qh_completions [2023-11-19 07:47:23,252 INFO L138 BoogieDeclarations]: Found implementation of procedure qh_completions [2023-11-19 07:47:23,252 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock [2023-11-19 07:47:23,252 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock [2023-11-19 07:47:23,252 INFO L130 BoogieDeclarations]: Found specification of procedure usb_put_hcd [2023-11-19 07:47:23,252 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_put_hcd [2023-11-19 07:47:23,253 INFO L130 BoogieDeclarations]: Found specification of procedure schedule [2023-11-19 07:47:23,253 INFO L138 BoogieDeclarations]: Found implementation of procedure schedule [2023-11-19 07:47:23,253 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int [2023-11-19 07:47:23,253 INFO L130 BoogieDeclarations]: Found specification of procedure oxu_drv_probe [2023-11-19 07:47:23,253 INFO L138 BoogieDeclarations]: Found implementation of procedure oxu_drv_probe [2023-11-19 07:47:23,255 INFO L130 BoogieDeclarations]: Found specification of procedure __raw_spin_lock_init [2023-11-19 07:47:23,255 INFO L138 BoogieDeclarations]: Found implementation of procedure __raw_spin_lock_init [2023-11-19 07:47:23,255 INFO L130 BoogieDeclarations]: Found specification of procedure timer_action [2023-11-19 07:47:23,255 INFO L138 BoogieDeclarations]: Found implementation of procedure timer_action [2023-11-19 07:47:23,255 INFO L130 BoogieDeclarations]: Found specification of procedure list_empty [2023-11-19 07:47:23,255 INFO L138 BoogieDeclarations]: Found implementation of procedure list_empty [2023-11-19 07:47:23,255 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2023-11-19 07:47:23,256 INFO L130 BoogieDeclarations]: Found specification of procedure oxu_get_frame [2023-11-19 07:47:23,256 INFO L138 BoogieDeclarations]: Found implementation of procedure oxu_get_frame [2023-11-19 07:47:23,257 INFO L130 BoogieDeclarations]: Found specification of procedure _dev_info [2023-11-19 07:47:23,259 INFO L138 BoogieDeclarations]: Found implementation of procedure _dev_info [2023-11-19 07:47:23,260 INFO L130 BoogieDeclarations]: Found specification of procedure oxu_stop [2023-11-19 07:47:23,260 INFO L138 BoogieDeclarations]: Found implementation of procedure oxu_stop [2023-11-19 07:47:23,261 INFO L130 BoogieDeclarations]: Found specification of procedure activate_pending_timer_1 [2023-11-19 07:47:23,262 INFO L138 BoogieDeclarations]: Found implementation of procedure activate_pending_timer_1 [2023-11-19 07:47:23,262 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2023-11-19 07:47:23,263 INFO L130 BoogieDeclarations]: Found specification of procedure del_timer_sync [2023-11-19 07:47:23,263 INFO L138 BoogieDeclarations]: Found implementation of procedure del_timer_sync [2023-11-19 07:47:23,263 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy [2023-11-19 07:47:23,269 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy [2023-11-19 07:47:23,269 INFO L130 BoogieDeclarations]: Found specification of procedure qh_schedule [2023-11-19 07:47:23,269 INFO L138 BoogieDeclarations]: Found implementation of procedure qh_schedule [2023-11-19 07:47:23,269 INFO L130 BoogieDeclarations]: Found specification of procedure check_intr_schedule [2023-11-19 07:47:23,269 INFO L138 BoogieDeclarations]: Found implementation of procedure check_intr_schedule [2023-11-19 07:47:23,270 INFO L130 BoogieDeclarations]: Found specification of procedure __oxu_urb_enqueue [2023-11-19 07:47:23,270 INFO L138 BoogieDeclarations]: Found implementation of procedure __oxu_urb_enqueue [2023-11-19 07:47:23,270 INFO L130 BoogieDeclarations]: Found specification of procedure oxu_drv_remove [2023-11-19 07:47:23,271 INFO L138 BoogieDeclarations]: Found implementation of procedure oxu_drv_remove [2023-11-19 07:47:23,271 INFO L130 BoogieDeclarations]: Found specification of procedure activate_suitable_timer_1 [2023-11-19 07:47:23,271 INFO L138 BoogieDeclarations]: Found implementation of procedure activate_suitable_timer_1 [2023-11-19 07:47:23,271 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2023-11-19 07:47:23,271 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree [2023-11-19 07:47:23,271 INFO L130 BoogieDeclarations]: Found specification of procedure list_add_tail [2023-11-19 07:47:23,271 INFO L138 BoogieDeclarations]: Found implementation of procedure list_add_tail [2023-11-19 07:47:23,272 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-11-19 07:47:23,272 INFO L130 BoogieDeclarations]: Found specification of procedure __dynamic_dev_dbg [2023-11-19 07:47:23,272 INFO L138 BoogieDeclarations]: Found implementation of procedure __dynamic_dev_dbg [2023-11-19 07:47:23,272 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock_irq [2023-11-19 07:47:23,272 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock_irq [2023-11-19 07:47:23,272 INFO L130 BoogieDeclarations]: Found specification of procedure kref_put [2023-11-19 07:47:23,272 INFO L138 BoogieDeclarations]: Found implementation of procedure kref_put [2023-11-19 07:47:23,272 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2023-11-19 07:47:23,273 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2023-11-19 07:47:23,273 INFO L130 BoogieDeclarations]: Found specification of procedure ehci_work [2023-11-19 07:47:23,273 INFO L138 BoogieDeclarations]: Found implementation of procedure ehci_work [2023-11-19 07:47:23,273 INFO L130 BoogieDeclarations]: Found specification of procedure qh_unlink_periodic [2023-11-19 07:47:23,273 INFO L138 BoogieDeclarations]: Found implementation of procedure qh_unlink_periodic [2023-11-19 07:47:23,273 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_init_zalloc [2023-11-19 07:47:23,274 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_init_zalloc [2023-11-19 07:47:23,274 INFO L130 BoogieDeclarations]: Found specification of procedure virt_to_phys [2023-11-19 07:47:23,274 INFO L138 BoogieDeclarations]: Found implementation of procedure virt_to_phys [2023-11-19 07:47:23,274 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2023-11-19 07:47:23,274 INFO L130 BoogieDeclarations]: Found specification of procedure disable_suitable_timer_1 [2023-11-19 07:47:23,274 INFO L138 BoogieDeclarations]: Found implementation of procedure disable_suitable_timer_1 [2023-11-19 07:47:23,274 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_calloc [2023-11-19 07:47:23,275 INFO L130 BoogieDeclarations]: Found specification of procedure unlink_async [2023-11-19 07:47:23,275 INFO L138 BoogieDeclarations]: Found implementation of procedure unlink_async [2023-11-19 07:47:23,275 INFO L130 BoogieDeclarations]: Found specification of procedure ehci_mem_cleanup [2023-11-19 07:47:23,275 INFO L138 BoogieDeclarations]: Found implementation of procedure ehci_mem_cleanup [2023-11-19 07:47:23,275 INFO L130 BoogieDeclarations]: Found specification of procedure oxu_to_hcd [2023-11-19 07:47:23,275 INFO L138 BoogieDeclarations]: Found implementation of procedure oxu_to_hcd [2023-11-19 07:47:23,275 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_memset [2023-11-19 07:47:23,276 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_memset [2023-11-19 07:47:23,276 INFO L130 BoogieDeclarations]: Found specification of procedure __list_add [2023-11-19 07:47:23,276 INFO L138 BoogieDeclarations]: Found implementation of procedure __list_add [2023-11-19 07:47:23,276 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-19 07:47:23,276 INFO L130 BoogieDeclarations]: Found specification of procedure oxu_qh_alloc [2023-11-19 07:47:23,276 INFO L138 BoogieDeclarations]: Found implementation of procedure oxu_qh_alloc [2023-11-19 07:47:23,276 INFO L130 BoogieDeclarations]: Found specification of procedure oxu_bus_suspend [2023-11-19 07:47:23,276 INFO L138 BoogieDeclarations]: Found implementation of procedure oxu_bus_suspend [2023-11-19 07:47:23,277 INFO L130 BoogieDeclarations]: Found specification of procedure usb_calc_bus_time [2023-11-19 07:47:23,277 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_calc_bus_time [2023-11-19 07:47:23,277 INFO L130 BoogieDeclarations]: Found specification of procedure __le32_to_cpup [2023-11-19 07:47:23,277 INFO L138 BoogieDeclarations]: Found implementation of procedure __le32_to_cpup [2023-11-19 07:47:23,277 INFO L130 BoogieDeclarations]: Found specification of procedure __const_udelay [2023-11-19 07:47:23,277 INFO L138 BoogieDeclarations]: Found implementation of procedure __const_udelay [2023-11-19 07:47:23,277 INFO L130 BoogieDeclarations]: Found specification of procedure qh_link_async [2023-11-19 07:47:23,278 INFO L138 BoogieDeclarations]: Found implementation of procedure qh_link_async [2023-11-19 07:47:23,278 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2023-11-19 07:47:23,278 INFO L130 BoogieDeclarations]: Found specification of procedure oxu_hub_status_data [2023-11-19 07:47:23,278 INFO L138 BoogieDeclarations]: Found implementation of procedure oxu_hub_status_data [2023-11-19 07:47:23,278 INFO L130 BoogieDeclarations]: Found specification of procedure oxu_shutdown [2023-11-19 07:47:23,278 INFO L138 BoogieDeclarations]: Found implementation of procedure oxu_shutdown [2023-11-19 07:47:23,278 INFO L130 BoogieDeclarations]: Found specification of procedure qh_urb_transaction [2023-11-19 07:47:23,278 INFO L138 BoogieDeclarations]: Found implementation of procedure qh_urb_transaction [2023-11-19 07:47:23,279 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~VOID [2023-11-19 07:47:23,279 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~VOID [2023-11-19 07:47:23,279 INFO L130 BoogieDeclarations]: Found specification of procedure qh_get [2023-11-19 07:47:23,279 INFO L138 BoogieDeclarations]: Found implementation of procedure qh_get [2023-11-19 07:47:23,279 INFO L130 BoogieDeclarations]: Found specification of procedure spin_lock_irq [2023-11-19 07:47:23,279 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_lock_irq [2023-11-19 07:47:23,279 INFO L130 BoogieDeclarations]: Found specification of procedure ehci_quiesce [2023-11-19 07:47:23,280 INFO L138 BoogieDeclarations]: Found implementation of procedure ehci_quiesce [2023-11-19 07:47:23,280 INFO L130 BoogieDeclarations]: Found specification of procedure scnprintf [2023-11-19 07:47:23,280 INFO L138 BoogieDeclarations]: Found implementation of procedure scnprintf [2023-11-19 07:47:23,280 INFO L130 BoogieDeclarations]: Found specification of procedure timer_action_done [2023-11-19 07:47:23,280 INFO L138 BoogieDeclarations]: Found implementation of procedure timer_action_done [2023-11-19 07:47:23,280 INFO L130 BoogieDeclarations]: Found specification of procedure mod_timer [2023-11-19 07:47:23,280 INFO L138 BoogieDeclarations]: Found implementation of procedure mod_timer [2023-11-19 07:47:23,281 INFO L130 BoogieDeclarations]: Found specification of procedure PTR_ERR [2023-11-19 07:47:23,281 INFO L138 BoogieDeclarations]: Found implementation of procedure PTR_ERR [2023-11-19 07:47:23,281 INFO L130 BoogieDeclarations]: Found specification of procedure device_may_wakeup [2023-11-19 07:47:23,281 INFO L138 BoogieDeclarations]: Found implementation of procedure device_may_wakeup [2023-11-19 07:47:23,281 INFO L130 BoogieDeclarations]: Found specification of procedure usb_remove_hcd [2023-11-19 07:47:23,281 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_remove_hcd [2023-11-19 07:47:23,281 INFO L130 BoogieDeclarations]: Found specification of procedure oxu_murb_free [2023-11-19 07:47:23,281 INFO L138 BoogieDeclarations]: Found implementation of procedure oxu_murb_free [2023-11-19 07:47:23,282 INFO L130 BoogieDeclarations]: Found specification of procedure ehci_urb_done [2023-11-19 07:47:23,282 INFO L138 BoogieDeclarations]: Found implementation of procedure ehci_urb_done [2023-11-19 07:47:23,282 INFO L130 BoogieDeclarations]: Found specification of procedure platform_set_drvdata [2023-11-19 07:47:23,282 INFO L138 BoogieDeclarations]: Found implementation of procedure platform_set_drvdata [2023-11-19 07:47:23,282 INFO L130 BoogieDeclarations]: Found specification of procedure handshake [2023-11-19 07:47:23,282 INFO L138 BoogieDeclarations]: Found implementation of procedure handshake [2023-11-19 07:47:23,282 INFO L130 BoogieDeclarations]: Found specification of procedure platform_get_drvdata [2023-11-19 07:47:23,283 INFO L138 BoogieDeclarations]: Found implementation of procedure platform_get_drvdata [2023-11-19 07:47:23,283 INFO L130 BoogieDeclarations]: Found specification of procedure qh_refresh [2023-11-19 07:47:23,283 INFO L138 BoogieDeclarations]: Found implementation of procedure qh_refresh [2023-11-19 07:47:23,283 INFO L130 BoogieDeclarations]: Found specification of procedure warn_slowpath_null [2023-11-19 07:47:23,283 INFO L138 BoogieDeclarations]: Found implementation of procedure warn_slowpath_null [2023-11-19 07:47:23,283 INFO L130 BoogieDeclarations]: Found specification of procedure start_unlink_async [2023-11-19 07:47:23,283 INFO L138 BoogieDeclarations]: Found implementation of procedure start_unlink_async [2023-11-19 07:47:23,284 INFO L130 BoogieDeclarations]: Found specification of procedure msecs_to_jiffies [2023-11-19 07:47:23,284 INFO L138 BoogieDeclarations]: Found implementation of procedure msecs_to_jiffies [2023-11-19 07:47:23,284 INFO L130 BoogieDeclarations]: Found specification of procedure oxu_bus_resume [2023-11-19 07:47:23,284 INFO L138 BoogieDeclarations]: Found implementation of procedure oxu_bus_resume [2023-11-19 07:47:23,284 INFO L130 BoogieDeclarations]: Found specification of procedure oxu_urb_dequeue [2023-11-19 07:47:23,284 INFO L138 BoogieDeclarations]: Found implementation of procedure oxu_urb_dequeue [2023-11-19 07:47:23,284 INFO L130 BoogieDeclarations]: Found specification of procedure spin_lock [2023-11-19 07:47:23,284 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_lock [2023-11-19 07:47:23,285 INFO L130 BoogieDeclarations]: Found specification of procedure dev_name [2023-11-19 07:47:23,285 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_name [2023-11-19 07:47:23,285 INFO L130 BoogieDeclarations]: Found specification of procedure readl [2023-11-19 07:47:23,285 INFO L138 BoogieDeclarations]: Found implementation of procedure readl [2023-11-19 07:47:23,285 INFO L130 BoogieDeclarations]: Found specification of procedure writel [2023-11-19 07:47:23,285 INFO L138 BoogieDeclarations]: Found implementation of procedure writel [2023-11-19 07:47:23,285 INFO L130 BoogieDeclarations]: Found specification of procedure qh_append_tds [2023-11-19 07:47:23,286 INFO L138 BoogieDeclarations]: Found implementation of procedure qh_append_tds [2023-11-19 07:47:23,290 INFO L130 BoogieDeclarations]: Found specification of procedure oxu_remove [2023-11-19 07:47:23,290 INFO L138 BoogieDeclarations]: Found implementation of procedure oxu_remove [2023-11-19 07:47:23,290 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-19 07:47:23,291 INFO L130 BoogieDeclarations]: Found specification of procedure ehci_qtd_alloc [2023-11-19 07:47:23,291 INFO L138 BoogieDeclarations]: Found implementation of procedure ehci_qtd_alloc [2023-11-19 07:47:23,291 INFO L130 BoogieDeclarations]: Found specification of procedure hcd_to_oxu [2023-11-19 07:47:23,291 INFO L138 BoogieDeclarations]: Found implementation of procedure hcd_to_oxu [2023-11-19 07:47:23,291 INFO L130 BoogieDeclarations]: Found specification of procedure oxu_reset [2023-11-19 07:47:23,291 INFO L138 BoogieDeclarations]: Found implementation of procedure oxu_reset [2023-11-19 07:47:23,292 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-19 07:47:23,293 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-19 07:47:23,293 INFO L130 BoogieDeclarations]: Found specification of procedure IS_ERR [2023-11-19 07:47:23,293 INFO L138 BoogieDeclarations]: Found implementation of procedure IS_ERR [2023-11-19 07:47:24,209 INFO L236 CfgBuilder]: Building ICFG [2023-11-19 07:47:24,214 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-19 07:47:25,102 INFO L767 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stopFINAL: assume true; [2023-11-19 07:47:35,209 INFO L277 CfgBuilder]: Performing block encoding [2023-11-19 07:47:35,252 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-19 07:47:35,253 INFO L302 CfgBuilder]: Removed 0 assume(true) statements. [2023-11-19 07:47:35,273 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 07:47:35 BoogieIcfgContainer [2023-11-19 07:47:35,273 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-19 07:47:35,276 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-11-19 07:47:35,277 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-11-19 07:47:35,280 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-11-19 07:47:35,280 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 19.11 07:47:19" (1/3) ... [2023-11-19 07:47:35,281 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6e5ed169 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.11 07:47:35, skipping insertion in model container [2023-11-19 07:47:35,281 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:47:22" (2/3) ... [2023-11-19 07:47:35,283 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6e5ed169 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.11 07:47:35, skipping insertion in model container [2023-11-19 07:47:35,283 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 07:47:35" (3/3) ... [2023-11-19 07:47:35,286 INFO L112 eAbstractionObserver]: Analyzing ICFG linux-4.2-rc1.tar.xz-43_2a-drivers--usb--host--oxu210hp-hcd.ko-entry_point.cil.out.i [2023-11-19 07:47:35,307 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-11-19 07:47:35,308 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2023-11-19 07:47:35,446 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-11-19 07:47:35,453 INFO L357 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=true, mAutomataTypeConcurrency=PETRI_NET, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopHeads, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mPorIndependenceSettings=[Lde.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings;@651ac67b, mLbeIndependenceSettings=[IndependenceType=SYNTACTIC, AbstractionType=NONE, UseConditional=, UseSemiCommutativity=, Solver=, SolverTimeout=] [2023-11-19 07:47:35,460 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2023-11-19 07:47:35,484 INFO L276 IsEmpty]: Start isEmpty. Operand has 3316 states, 2430 states have (on average 1.4510288065843622) internal successors, (3526), 2496 states have internal predecessors, (3526), 762 states have call successors, (762), 123 states have call predecessors, (762), 122 states have return successors, (756), 746 states have call predecessors, (756), 756 states have call successors, (756) [2023-11-19 07:47:35,554 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 305 [2023-11-19 07:47:35,554 INFO L187 NwaCegarLoop]: Found error trace [2023-11-19 07:47:35,556 INFO L195 NwaCegarLoop]: trace histogram [12, 12, 12, 12, 12, 12, 12, 12, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 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] [2023-11-19 07:47:35,556 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-19 07:47:35,561 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 07:47:35,562 INFO L85 PathProgramCache]: Analyzing trace with hash -1073227176, now seen corresponding path program 1 times [2023-11-19 07:47:35,572 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-19 07:47:35,573 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2037966961] [2023-11-19 07:47:35,573 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 07:47:35,574 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 07:47:36,115 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:47:36,437 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2023-11-19 07:47:36,445 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:47:36,462 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-19 07:47:36,464 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:47:36,471 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-11-19 07:47:36,472 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:47:36,478 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2023-11-19 07:47:36,484 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:47:36,495 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-19 07:47:36,496 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:47:36,503 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-11-19 07:47:36,504 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:47:36,511 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2023-11-19 07:47:36,517 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:47:36,529 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-19 07:47:36,531 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:47:36,538 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-11-19 07:47:36,539 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:47:36,546 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2023-11-19 07:47:36,551 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:47:36,562 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-19 07:47:36,564 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:47:36,570 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-11-19 07:47:36,571 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:47:36,578 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2023-11-19 07:47:36,589 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:47:36,606 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-19 07:47:36,607 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:47:36,614 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-11-19 07:47:36,615 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:47:36,621 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2023-11-19 07:47:36,636 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:47:36,650 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-19 07:47:36,652 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:47:36,660 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-11-19 07:47:36,662 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:47:36,679 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 99 [2023-11-19 07:47:36,683 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:47:36,706 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-19 07:47:36,708 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:47:36,718 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 110 [2023-11-19 07:47:36,723 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:47:36,738 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-19 07:47:36,740 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:47:36,747 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 121 [2023-11-19 07:47:36,753 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:47:36,763 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-19 07:47:36,767 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:47:36,784 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 132 [2023-11-19 07:47:36,789 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:47:36,802 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-19 07:47:36,805 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:47:36,812 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 143 [2023-11-19 07:47:36,816 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:47:36,824 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-19 07:47:36,826 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:47:36,845 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 154 [2023-11-19 07:47:36,852 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:47:36,862 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-19 07:47:36,864 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:47:36,875 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 165 [2023-11-19 07:47:36,881 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:47:36,894 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-19 07:47:36,896 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:47:36,911 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 176 [2023-11-19 07:47:36,915 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:47:36,927 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-19 07:47:36,929 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:47:36,945 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 187 [2023-11-19 07:47:36,951 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:47:37,035 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-19 07:47:37,037 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:47:37,047 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 198 [2023-11-19 07:47:37,052 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:47:37,065 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-19 07:47:37,067 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:47:37,077 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 209 [2023-11-19 07:47:37,082 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:47:37,091 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-19 07:47:37,093 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:47:37,102 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 220 [2023-11-19 07:47:37,106 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:47:37,116 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-19 07:47:37,119 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:47:37,127 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 245 [2023-11-19 07:47:37,129 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:47:37,138 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 250 [2023-11-19 07:47:37,140 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:47:37,149 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 255 [2023-11-19 07:47:37,150 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:47:37,159 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 259 [2023-11-19 07:47:37,165 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:47:37,178 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 265 [2023-11-19 07:47:37,179 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:47:37,188 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 271 [2023-11-19 07:47:37,190 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:47:37,197 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 276 [2023-11-19 07:47:37,202 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:47:37,218 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 281 [2023-11-19 07:47:37,222 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:47:37,234 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 286 [2023-11-19 07:47:37,239 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:47:37,251 INFO L134 CoverageAnalysis]: Checked inductivity of 816 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 816 trivial. 0 not checked. [2023-11-19 07:47:37,251 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-19 07:47:37,252 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2037966961] [2023-11-19 07:47:37,252 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2037966961] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-19 07:47:37,253 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-19 07:47:37,253 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-11-19 07:47:37,255 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2082390179] [2023-11-19 07:47:37,256 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-19 07:47:37,266 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2023-11-19 07:47:37,266 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-19 07:47:37,307 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2023-11-19 07:47:37,307 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2023-11-19 07:47:37,318 INFO L87 Difference]: Start difference. First operand has 3316 states, 2430 states have (on average 1.4510288065843622) internal successors, (3526), 2496 states have internal predecessors, (3526), 762 states have call successors, (762), 123 states have call predecessors, (762), 122 states have return successors, (756), 746 states have call predecessors, (756), 756 states have call successors, (756) Second operand has 5 states, 5 states have (on average 16.0) internal successors, (80), 2 states have internal predecessors, (80), 2 states have call successors, (33), 5 states have call predecessors, (33), 2 states have return successors, (30), 2 states have call predecessors, (30), 2 states have call successors, (30) [2023-11-19 07:47:49,449 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-19 07:47:51,459 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-19 07:47:53,470 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-19 07:47:55,476 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-19 07:47:57,483 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-19 07:47:59,489 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-19 07:48:01,495 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-19 07:48:02,970 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-19 07:48:02,970 INFO L93 Difference]: Finished difference Result 7041 states and 10983 transitions. [2023-11-19 07:48:02,972 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-11-19 07:48:02,973 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 16.0) internal successors, (80), 2 states have internal predecessors, (80), 2 states have call successors, (33), 5 states have call predecessors, (33), 2 states have return successors, (30), 2 states have call predecessors, (30), 2 states have call successors, (30) Word has length 304 [2023-11-19 07:48:02,973 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-19 07:48:03,070 INFO L225 Difference]: With dead ends: 7041 [2023-11-19 07:48:03,070 INFO L226 Difference]: Without dead ends: 3700 [2023-11-19 07:48:03,118 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 118 GetRequests, 114 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=14, Invalid=16, Unknown=0, NotChecked=0, Total=30 [2023-11-19 07:48:03,123 INFO L413 NwaCegarLoop]: 3998 mSDtfsCounter, 2244 mSDsluCounter, 4742 mSDsCounter, 0 mSdLazyCounter, 3228 mSolverCounterSat, 1933 mSolverCounterUnsat, 7 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 23.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2324 SdHoareTripleChecker+Valid, 8740 SdHoareTripleChecker+Invalid, 5168 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 1933 IncrementalHoareTripleChecker+Valid, 3228 IncrementalHoareTripleChecker+Invalid, 7 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 25.0s IncrementalHoareTripleChecker+Time [2023-11-19 07:48:03,129 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2324 Valid, 8740 Invalid, 5168 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [1933 Valid, 3228 Invalid, 7 Unknown, 0 Unchecked, 25.0s Time] [2023-11-19 07:48:03,159 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3700 states. [2023-11-19 07:48:03,501 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3700 to 3286. [2023-11-19 07:48:03,510 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3286 states, 2411 states have (on average 1.424305267523849) internal successors, (3434), 2469 states have internal predecessors, (3434), 753 states have call successors, (753), 122 states have call predecessors, (753), 121 states have return successors, (752), 742 states have call predecessors, (752), 752 states have call successors, (752) [2023-11-19 07:48:03,549 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3286 states to 3286 states and 4939 transitions. [2023-11-19 07:48:03,552 INFO L78 Accepts]: Start accepts. Automaton has 3286 states and 4939 transitions. Word has length 304 [2023-11-19 07:48:03,555 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-19 07:48:03,555 INFO L495 AbstractCegarLoop]: Abstraction has 3286 states and 4939 transitions. [2023-11-19 07:48:03,555 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 16.0) internal successors, (80), 2 states have internal predecessors, (80), 2 states have call successors, (33), 5 states have call predecessors, (33), 2 states have return successors, (30), 2 states have call predecessors, (30), 2 states have call successors, (30) [2023-11-19 07:48:03,556 INFO L276 IsEmpty]: Start isEmpty. Operand 3286 states and 4939 transitions. [2023-11-19 07:48:03,586 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 306 [2023-11-19 07:48:03,586 INFO L187 NwaCegarLoop]: Found error trace [2023-11-19 07:48:03,587 INFO L195 NwaCegarLoop]: trace histogram [12, 12, 12, 12, 12, 12, 12, 12, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 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] [2023-11-19 07:48:03,587 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2023-11-19 07:48:03,587 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-19 07:48:03,588 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 07:48:03,589 INFO L85 PathProgramCache]: Analyzing trace with hash 209327692, now seen corresponding path program 1 times [2023-11-19 07:48:03,589 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-19 07:48:03,590 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [517139808] [2023-11-19 07:48:03,593 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 07:48:03,594 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 07:48:03,815 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:48:04,143 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2023-11-19 07:48:04,155 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:48:04,171 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-19 07:48:04,172 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:48:04,177 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-11-19 07:48:04,181 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:48:04,187 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2023-11-19 07:48:04,190 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:48:04,198 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-19 07:48:04,201 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:48:04,206 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-11-19 07:48:04,207 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:48:04,213 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2023-11-19 07:48:04,216 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:48:04,226 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-19 07:48:04,227 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:48:04,233 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-11-19 07:48:04,234 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:48:04,240 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2023-11-19 07:48:04,243 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:48:04,255 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-19 07:48:04,257 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:48:04,263 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-11-19 07:48:04,264 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:48:04,269 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2023-11-19 07:48:04,273 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:48:04,282 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-19 07:48:04,283 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:48:04,289 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-11-19 07:48:04,290 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:48:04,297 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2023-11-19 07:48:04,300 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:48:04,308 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-19 07:48:04,309 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:48:04,314 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-11-19 07:48:04,315 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:48:04,334 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 99 [2023-11-19 07:48:04,336 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:48:04,346 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-19 07:48:04,348 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:48:04,354 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 110 [2023-11-19 07:48:04,356 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:48:04,363 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-19 07:48:04,364 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:48:04,370 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 121 [2023-11-19 07:48:04,372 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:48:04,379 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-19 07:48:04,380 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:48:04,385 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 132 [2023-11-19 07:48:04,388 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:48:04,394 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-19 07:48:04,396 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:48:04,401 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 143 [2023-11-19 07:48:04,405 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:48:04,412 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-19 07:48:04,413 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:48:04,419 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 154 [2023-11-19 07:48:04,421 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:48:04,428 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-19 07:48:04,429 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:48:04,435 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 165 [2023-11-19 07:48:04,438 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:48:04,445 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-19 07:48:04,447 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:48:04,453 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 176 [2023-11-19 07:48:04,458 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:48:04,465 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-19 07:48:04,467 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:48:04,475 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 187 [2023-11-19 07:48:04,480 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:48:04,486 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-19 07:48:04,487 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:48:04,493 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 198 [2023-11-19 07:48:04,496 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:48:04,502 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-19 07:48:04,504 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:48:04,509 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 209 [2023-11-19 07:48:04,512 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:48:04,520 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-19 07:48:04,521 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:48:04,527 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 220 [2023-11-19 07:48:04,529 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:48:04,536 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-19 07:48:04,538 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:48:04,543 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 246 [2023-11-19 07:48:04,545 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:48:04,550 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 251 [2023-11-19 07:48:04,551 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:48:04,556 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 256 [2023-11-19 07:48:04,558 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:48:04,564 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 260 [2023-11-19 07:48:04,567 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:48:04,581 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 266 [2023-11-19 07:48:04,583 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:48:04,589 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 272 [2023-11-19 07:48:04,590 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:48:04,595 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 277 [2023-11-19 07:48:04,597 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:48:04,603 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 282 [2023-11-19 07:48:04,604 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:48:04,610 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 287 [2023-11-19 07:48:04,611 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:48:04,618 INFO L134 CoverageAnalysis]: Checked inductivity of 816 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 816 trivial. 0 not checked. [2023-11-19 07:48:04,618 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-19 07:48:04,619 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [517139808] [2023-11-19 07:48:04,619 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [517139808] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-19 07:48:04,619 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-19 07:48:04,619 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2023-11-19 07:48:04,619 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1922670635] [2023-11-19 07:48:04,620 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-19 07:48:04,621 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2023-11-19 07:48:04,622 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-19 07:48:04,623 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2023-11-19 07:48:04,623 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2023-11-19 07:48:04,623 INFO L87 Difference]: Start difference. First operand 3286 states and 4939 transitions. Second operand has 6 states, 6 states have (on average 13.5) internal successors, (81), 3 states have internal predecessors, (81), 2 states have call successors, (33), 5 states have call predecessors, (33), 1 states have return successors, (30), 2 states have call predecessors, (30), 2 states have call successors, (30)