./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-08_1a-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_0721353e-5eaf-4a03-8828-b14260c5a55f/bin/uautomizer-verify-uCwYo4JHxu/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0721353e-5eaf-4a03-8828-b14260c5a55f/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_0721353e-5eaf-4a03-8828-b14260c5a55f/bin/uautomizer-verify-uCwYo4JHxu/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0721353e-5eaf-4a03-8828-b14260c5a55f/bin/uautomizer-verify-uCwYo4JHxu/config/AutomizerReach.xml -i ../../sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-08_1a-drivers--usb--host--oxu210hp-hcd.ko-entry_point.cil.out.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0721353e-5eaf-4a03-8828-b14260c5a55f/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_0721353e-5eaf-4a03-8828-b14260c5a55f/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 81d1008401e9b638c804223ae1edaed37e73b80d2f51872c4d92327d9c04897f --- Real Ultimate output --- This is Ultimate 0.2.3-dev-9bd2c7f [2023-11-19 08:02:27,107 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-19 08:02:27,240 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0721353e-5eaf-4a03-8828-b14260c5a55f/bin/uautomizer-verify-uCwYo4JHxu/config/svcomp-Reach-64bit-Automizer_Default.epf [2023-11-19 08:02:27,248 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-19 08:02:27,249 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-11-19 08:02:27,279 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-19 08:02:27,280 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-11-19 08:02:27,280 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-11-19 08:02:27,281 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-19 08:02:27,282 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-11-19 08:02:27,283 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-19 08:02:27,283 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-19 08:02:27,284 INFO L153 SettingsManager]: * Use SBE=true [2023-11-19 08:02:27,285 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-19 08:02:27,285 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-19 08:02:27,286 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-19 08:02:27,287 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-19 08:02:27,287 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-19 08:02:27,288 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-19 08:02:27,288 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-19 08:02:27,289 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-19 08:02:27,290 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-19 08:02:27,290 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-19 08:02:27,291 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-11-19 08:02:27,291 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-11-19 08:02:27,292 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-19 08:02:27,292 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-19 08:02:27,293 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-19 08:02:27,293 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-19 08:02:27,294 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2023-11-19 08:02:27,294 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-19 08:02:27,295 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2023-11-19 08:02:27,295 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-19 08:02:27,295 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2023-11-19 08:02:27,296 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-19 08:02:27,296 INFO L153 SettingsManager]: * Independence relation used for large block encoding in concurrent analysis=SYNTACTIC [2023-11-19 08:02:27,297 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_0721353e-5eaf-4a03-8828-b14260c5a55f/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0721353e-5eaf-4a03-8828-b14260c5a55f/bin/uautomizer-verify-uCwYo4JHxu Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 81d1008401e9b638c804223ae1edaed37e73b80d2f51872c4d92327d9c04897f [2023-11-19 08:02:27,589 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-19 08:02:27,634 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-19 08:02:27,638 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-19 08:02:27,640 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-19 08:02:27,641 INFO L274 PluginConnector]: CDTParser initialized [2023-11-19 08:02:27,643 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0721353e-5eaf-4a03-8828-b14260c5a55f/bin/uautomizer-verify-uCwYo4JHxu/../../sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-08_1a-drivers--usb--host--oxu210hp-hcd.ko-entry_point.cil.out.i [2023-11-19 08:02:30,865 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-19 08:02:31,525 INFO L384 CDTParser]: Found 1 translation units. [2023-11-19 08:02:31,526 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0721353e-5eaf-4a03-8828-b14260c5a55f/sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-08_1a-drivers--usb--host--oxu210hp-hcd.ko-entry_point.cil.out.i [2023-11-19 08:02:31,581 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0721353e-5eaf-4a03-8828-b14260c5a55f/bin/uautomizer-verify-uCwYo4JHxu/data/1c29c1fb1/e400ccc10565466fa0cee8510eaed236/FLAG1ba77a584 [2023-11-19 08:02:31,599 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0721353e-5eaf-4a03-8828-b14260c5a55f/bin/uautomizer-verify-uCwYo4JHxu/data/1c29c1fb1/e400ccc10565466fa0cee8510eaed236 [2023-11-19 08:02:31,605 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-19 08:02:31,607 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-19 08:02:31,608 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-19 08:02:31,609 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-19 08:02:31,615 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-19 08:02:31,617 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 08:02:31" (1/1) ... [2023-11-19 08:02:31,619 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@778638c3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 08:02:31, skipping insertion in model container [2023-11-19 08:02:31,619 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 08:02:31" (1/1) ... [2023-11-19 08:02:31,837 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-19 08:02:33,959 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_0721353e-5eaf-4a03-8828-b14260c5a55f/sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-08_1a-drivers--usb--host--oxu210hp-hcd.ko-entry_point.cil.out.i[281155,281168] [2023-11-19 08:02:34,010 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 08:02:34,041 INFO L202 MainTranslator]: Completed pre-run [2023-11-19 08:02:34,147 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 08:02:34,149 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 08:02:34,150 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 08:02:34,152 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 08:02:34,153 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("bsfl %1,%0": "=r" (r): "rm" (x), "0" (-1)); [3857] [2023-11-19 08:02:34,159 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"); [3957-3958] [2023-11-19 08:02:34,162 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"); [3969-3970] [2023-11-19 08:02:34,163 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"); [3973-3974] [2023-11-19 08:02:34,163 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"); [3977-3978] [2023-11-19 08:02:34,164 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"); [3981-3982] [2023-11-19 08:02:34,178 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("movl %1,%0": "=r" (ret): "m" (*((unsigned int volatile *)addr)): "memory"); [4082] [2023-11-19 08:02:34,179 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("movl %0,%1": : "r" (val), "m" (*((unsigned int volatile *)addr)): "memory"); [4089] [2023-11-19 08:02:34,257 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("1:\tud2\n.pushsection __bug_table,\"a\"\n2:\t.long 1b - 2b, %c0 - 2b\n\t.word %c1, 0\n\t.org 2b+%c2\n.popsection": : "i" ((char *)"/work/ldvuser/mutilin/launch/work/current--X--drivers/--X--defaultlinux-4.2-rc1.tar.xz--X--08_1a--X--cpachecker/linux-4.2-rc1.tar.xz/csd_deg_dscv/9075/dscv_tempdir/dscv/ri/08_1a/drivers/usb/host/oxu210hp-hcd.c"), "i" (398), "i" (12UL)); [4731-4732] [2023-11-19 08:02:34,275 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("1:\tud2\n.pushsection __bug_table,\"a\"\n2:\t.long 1b - 2b, %c0 - 2b\n\t.word %c1, 0\n\t.org 2b+%c2\n.popsection": : "i" ((char *)"/work/ldvuser/mutilin/launch/work/current--X--drivers/--X--defaultlinux-4.2-rc1.tar.xz--X--08_1a--X--cpachecker/linux-4.2-rc1.tar.xz/csd_deg_dscv/9075/dscv_tempdir/dscv/ri/08_1a/drivers/usb/host/oxu210hp-hcd.c"), "i" (626), "i" (12UL)); [5016-5017] [2023-11-19 08:02:34,291 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("1:\tud2\n.pushsection __bug_table,\"a\"\n2:\t.long 1b - 2b, %c0 - 2b\n\t.word %c1, 0\n\t.org 2b+%c2\n.popsection": : "i" ((char *)"/work/ldvuser/mutilin/launch/work/current--X--drivers/--X--defaultlinux-4.2-rc1.tar.xz--X--08_1a--X--cpachecker/linux-4.2-rc1.tar.xz/csd_deg_dscv/9075/dscv_tempdir/dscv/ri/08_1a/drivers/usb/host/oxu210hp-hcd.c"), "i" (824), "i" (12UL)); [5313-5314] [2023-11-19 08:02:34,293 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("sfence": : : "memory"); [5334] [2023-11-19 08:02:34,304 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("lfence": : : "memory"); [5553] [2023-11-19 08:02:34,306 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("sfence": : : "memory"); [5604] [2023-11-19 08:02:34,401 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("sfence": : : "memory"); [6038] [2023-11-19 08:02:34,408 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("sfence": : : "memory"); [6096] [2023-11-19 08:02:34,411 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("sfence": : : "memory"); [6111] [2023-11-19 08:02:34,427 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("1:\tud2\n.pushsection __bug_table,\"a\"\n2:\t.long 1b - 2b, %c0 - 2b\n\t.word %c1, 0\n\t.org 2b+%c2\n.popsection": : "i" ((char *)"/work/ldvuser/mutilin/launch/work/current--X--drivers/--X--defaultlinux-4.2-rc1.tar.xz--X--08_1a--X--cpachecker/linux-4.2-rc1.tar.xz/csd_deg_dscv/9075/dscv_tempdir/dscv/ri/08_1a/drivers/usb/host/oxu210hp-hcd.c"), "i" (1711), "i" (12UL)); [6238-6239] [2023-11-19 08:02:34,428 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("1:\tud2\n.pushsection __bug_table,\"a\"\n2:\t.long 1b - 2b, %c0 - 2b\n\t.word %c1, 0\n\t.org 2b+%c2\n.popsection": : "i" ((char *)"/work/ldvuser/mutilin/launch/work/current--X--drivers/--X--defaultlinux-4.2-rc1.tar.xz--X--08_1a--X--cpachecker/linux-4.2-rc1.tar.xz/csd_deg_dscv/9075/dscv_tempdir/dscv/ri/08_1a/drivers/usb/host/oxu210hp-hcd.c"), "i" (1714), "i" (12UL)); [6245-6246] [2023-11-19 08:02:34,429 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("sfence": : : "memory"); [6256] [2023-11-19 08:02:34,432 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("sfence": : : "memory"); [6277] [2023-11-19 08:02:34,454 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("sfence": : : "memory"); [6567] [2023-11-19 08:02:34,461 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("sfence": : : "memory"); [6658] [2023-11-19 08:02:34,480 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("1:\tud2\n.pushsection __bug_table,\"a\"\n2:\t.long 1b - 2b, %c0 - 2b\n\t.word %c1, 0\n\t.org 2b+%c2\n.popsection": : "i" ((char *)"/work/ldvuser/mutilin/launch/work/current--X--drivers/--X--defaultlinux-4.2-rc1.tar.xz--X--08_1a--X--cpachecker/linux-4.2-rc1.tar.xz/csd_deg_dscv/9075/dscv_tempdir/dscv/ri/08_1a/drivers/usb/host/oxu210hp-hcd.c"), "i" (2227), "i" (12UL)); [6876-6877] [2023-11-19 08:02:34,670 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_0721353e-5eaf-4a03-8828-b14260c5a55f/sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-08_1a-drivers--usb--host--oxu210hp-hcd.ko-entry_point.cil.out.i[281155,281168] [2023-11-19 08:02:34,676 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 08:02:34,770 WARN L675 CHandler]: The function __xadd_wrong_size is called, but not defined or handled by StandardFunctionHandler. [2023-11-19 08:02:34,771 WARN L675 CHandler]: The function __bad_unaligned_access_size is called, but not defined or handled by StandardFunctionHandler. [2023-11-19 08:02:34,779 INFO L206 MainTranslator]: Completed translation [2023-11-19 08:02:34,780 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 08:02:34 WrapperNode [2023-11-19 08:02:34,780 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-19 08:02:34,781 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-19 08:02:34,782 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-19 08:02:34,782 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-19 08:02:34,790 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 08:02:34" (1/1) ... [2023-11-19 08:02:34,918 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 08:02:34" (1/1) ... [2023-11-19 08:02:35,241 INFO L138 Inliner]: procedures = 268, calls = 3045, calls flagged for inlining = 107, calls inlined = 104, statements flattened = 8209 [2023-11-19 08:02:35,242 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-19 08:02:35,243 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-19 08:02:35,244 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-19 08:02:35,244 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-19 08:02:35,286 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 08:02:34" (1/1) ... [2023-11-19 08:02:35,286 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 08:02:34" (1/1) ... [2023-11-19 08:02:35,361 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 08:02:34" (1/1) ... [2023-11-19 08:02:35,366 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 08:02:34" (1/1) ... [2023-11-19 08:02:35,653 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 08:02:34" (1/1) ... [2023-11-19 08:02:35,705 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 08:02:34" (1/1) ... [2023-11-19 08:02:35,753 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 08:02:34" (1/1) ... [2023-11-19 08:02:35,795 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 08:02:34" (1/1) ... [2023-11-19 08:02:35,870 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-19 08:02:35,871 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-19 08:02:35,871 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-19 08:02:35,872 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-19 08:02:35,873 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 08:02:34" (1/1) ... [2023-11-19 08:02:35,879 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-19 08:02:35,892 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0721353e-5eaf-4a03-8828-b14260c5a55f/bin/uautomizer-verify-uCwYo4JHxu/z3 [2023-11-19 08:02:35,907 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0721353e-5eaf-4a03-8828-b14260c5a55f/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2023-11-19 08:02:35,946 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0721353e-5eaf-4a03-8828-b14260c5a55f/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2023-11-19 08:02:35,973 INFO L130 BoogieDeclarations]: Found specification of procedure ehci_reset [2023-11-19 08:02:35,974 INFO L138 BoogieDeclarations]: Found implementation of procedure ehci_reset [2023-11-19 08:02:35,975 INFO L130 BoogieDeclarations]: Found specification of procedure end_unlink_async [2023-11-19 08:02:35,977 INFO L138 BoogieDeclarations]: Found implementation of procedure end_unlink_async [2023-11-19 08:02:35,977 INFO L130 BoogieDeclarations]: Found specification of procedure dbg_status_buf [2023-11-19 08:02:35,977 INFO L138 BoogieDeclarations]: Found implementation of procedure dbg_status_buf [2023-11-19 08:02:35,977 INFO L130 BoogieDeclarations]: Found specification of procedure msleep [2023-11-19 08:02:35,978 INFO L138 BoogieDeclarations]: Found implementation of procedure msleep [2023-11-19 08:02:35,979 INFO L130 BoogieDeclarations]: Found specification of procedure kref_sub [2023-11-19 08:02:35,979 INFO L138 BoogieDeclarations]: Found implementation of procedure kref_sub [2023-11-19 08:02:35,979 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2023-11-19 08:02:35,979 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2023-11-19 08:02:35,979 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2023-11-19 08:02:35,980 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2023-11-19 08:02:35,981 INFO L130 BoogieDeclarations]: Found specification of procedure scan_periodic [2023-11-19 08:02:35,981 INFO L138 BoogieDeclarations]: Found implementation of procedure scan_periodic [2023-11-19 08:02:35,981 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.meminit [2023-11-19 08:02:35,981 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.meminit [2023-11-19 08:02:35,981 INFO L130 BoogieDeclarations]: Found specification of procedure variable_test_bit [2023-11-19 08:02:35,982 INFO L138 BoogieDeclarations]: Found implementation of procedure variable_test_bit [2023-11-19 08:02:35,982 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2023-11-19 08:02:35,982 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2023-11-19 08:02:35,982 INFO L130 BoogieDeclarations]: Found specification of procedure oxu_create [2023-11-19 08:02:35,982 INFO L138 BoogieDeclarations]: Found implementation of procedure oxu_create [2023-11-19 08:02:35,983 INFO L130 BoogieDeclarations]: Found specification of procedure oxu_readl [2023-11-19 08:02:35,983 INFO L138 BoogieDeclarations]: Found implementation of procedure oxu_readl [2023-11-19 08:02:35,983 INFO L130 BoogieDeclarations]: Found specification of procedure oxu_run [2023-11-19 08:02:35,983 INFO L138 BoogieDeclarations]: Found implementation of procedure oxu_run [2023-11-19 08:02:35,983 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_error [2023-11-19 08:02:35,983 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_error [2023-11-19 08:02:35,984 INFO L130 BoogieDeclarations]: Found specification of procedure periodic_next_shadow [2023-11-19 08:02:35,984 INFO L138 BoogieDeclarations]: Found implementation of procedure periodic_next_shadow [2023-11-19 08:02:35,984 INFO L130 BoogieDeclarations]: Found specification of procedure qh_put [2023-11-19 08:02:35,984 INFO L138 BoogieDeclarations]: Found implementation of procedure qh_put [2023-11-19 08:02:35,985 INFO L130 BoogieDeclarations]: Found specification of procedure oxu_irq [2023-11-19 08:02:35,985 INFO L138 BoogieDeclarations]: Found implementation of procedure oxu_irq [2023-11-19 08:02:35,985 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2023-11-19 08:02:35,985 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2023-11-19 08:02:35,985 INFO L130 BoogieDeclarations]: Found specification of procedure scan_async [2023-11-19 08:02:35,986 INFO L138 BoogieDeclarations]: Found implementation of procedure scan_async [2023-11-19 08:02:35,987 INFO L130 BoogieDeclarations]: Found specification of procedure kcalloc [2023-11-19 08:02:35,987 INFO L138 BoogieDeclarations]: Found implementation of procedure kcalloc [2023-11-19 08:02:35,988 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2023-11-19 08:02:35,988 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2023-11-19 08:02:35,988 INFO L130 BoogieDeclarations]: Found specification of procedure ehci_halt [2023-11-19 08:02:35,988 INFO L138 BoogieDeclarations]: Found implementation of procedure ehci_halt [2023-11-19 08:02:35,989 INFO L130 BoogieDeclarations]: Found specification of procedure oxu_endpoint_disable [2023-11-19 08:02:35,989 INFO L138 BoogieDeclarations]: Found implementation of procedure oxu_endpoint_disable [2023-11-19 08:02:35,989 INFO L130 BoogieDeclarations]: Found specification of procedure usb_maxpacket [2023-11-19 08:02:35,989 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_maxpacket [2023-11-19 08:02:35,989 INFO L130 BoogieDeclarations]: Found specification of procedure spinlock_check [2023-11-19 08:02:35,990 INFO L138 BoogieDeclarations]: Found implementation of procedure spinlock_check [2023-11-19 08:02:35,990 INFO L130 BoogieDeclarations]: Found specification of procedure ERR_PTR [2023-11-19 08:02:35,990 INFO L138 BoogieDeclarations]: Found implementation of procedure ERR_PTR [2023-11-19 08:02:35,991 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_timer_1 [2023-11-19 08:02:35,991 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_timer_1 [2023-11-19 08:02:35,991 INFO L130 BoogieDeclarations]: Found specification of procedure oxu_qtd_free [2023-11-19 08:02:35,991 INFO L138 BoogieDeclarations]: Found implementation of procedure oxu_qtd_free [2023-11-19 08:02:35,991 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-11-19 08:02:35,992 INFO L130 BoogieDeclarations]: Found specification of procedure INIT_LIST_HEAD [2023-11-19 08:02:35,992 INFO L138 BoogieDeclarations]: Found implementation of procedure INIT_LIST_HEAD [2023-11-19 08:02:35,992 INFO L130 BoogieDeclarations]: Found specification of procedure qtd_list_free [2023-11-19 08:02:35,993 INFO L138 BoogieDeclarations]: Found implementation of procedure qtd_list_free [2023-11-19 08:02:35,993 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2023-11-19 08:02:35,994 INFO L130 BoogieDeclarations]: Found specification of procedure qtd_fill [2023-11-19 08:02:35,994 INFO L138 BoogieDeclarations]: Found implementation of procedure qtd_fill [2023-11-19 08:02:35,994 INFO L130 BoogieDeclarations]: Found specification of procedure __xadd_wrong_size [2023-11-19 08:02:35,994 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_is_err [2023-11-19 08:02:35,994 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_is_err [2023-11-19 08:02:35,995 INFO L130 BoogieDeclarations]: Found specification of procedure oxu_writel [2023-11-19 08:02:35,995 INFO L138 BoogieDeclarations]: Found implementation of procedure oxu_writel [2023-11-19 08:02:35,995 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock_irqrestore [2023-11-19 08:02:35,995 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock_irqrestore [2023-11-19 08:02:35,995 INFO L130 BoogieDeclarations]: Found specification of procedure oxu_drv_shutdown [2023-11-19 08:02:35,996 INFO L138 BoogieDeclarations]: Found implementation of procedure oxu_drv_shutdown [2023-11-19 08:02:35,996 INFO L130 BoogieDeclarations]: Found specification of procedure platform_get_resource [2023-11-19 08:02:35,996 INFO L138 BoogieDeclarations]: Found implementation of procedure platform_get_resource [2023-11-19 08:02:35,996 INFO L130 BoogieDeclarations]: Found specification of procedure oxu_murb_alloc [2023-11-19 08:02:35,996 INFO L138 BoogieDeclarations]: Found implementation of procedure oxu_murb_alloc [2023-11-19 08:02:35,996 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-11-19 08:02:35,997 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2023-11-19 08:02:35,997 INFO L130 BoogieDeclarations]: Found specification of procedure dbg_command_buf [2023-11-19 08:02:35,997 INFO L138 BoogieDeclarations]: Found implementation of procedure dbg_command_buf [2023-11-19 08:02:35,997 INFO L130 BoogieDeclarations]: Found specification of procedure oxu_urb_enqueue [2023-11-19 08:02:35,997 INFO L138 BoogieDeclarations]: Found implementation of procedure oxu_urb_enqueue [2023-11-19 08:02:35,998 INFO L130 BoogieDeclarations]: Found specification of procedure usb_hc_died [2023-11-19 08:02:35,998 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_hc_died [2023-11-19 08:02:35,998 INFO L130 BoogieDeclarations]: Found specification of procedure periodic_usecs [2023-11-19 08:02:35,999 INFO L138 BoogieDeclarations]: Found implementation of procedure periodic_usecs [2023-11-19 08:02:35,999 INFO L130 BoogieDeclarations]: Found specification of procedure intr_deschedule [2023-11-19 08:02:35,999 INFO L138 BoogieDeclarations]: Found implementation of procedure intr_deschedule [2023-11-19 08:02:36,000 INFO L130 BoogieDeclarations]: Found specification of procedure dev_err [2023-11-19 08:02:36,000 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_err [2023-11-19 08:02:36,000 INFO L130 BoogieDeclarations]: Found specification of procedure oxu_buf_alloc [2023-11-19 08:02:36,000 INFO L138 BoogieDeclarations]: Found implementation of procedure oxu_buf_alloc [2023-11-19 08:02:36,001 INFO L130 BoogieDeclarations]: Found specification of procedure list_del [2023-11-19 08:02:36,001 INFO L138 BoogieDeclarations]: Found implementation of procedure list_del [2023-11-19 08:02:36,002 INFO L130 BoogieDeclarations]: Found specification of procedure _raw_spin_lock_irqsave [2023-11-19 08:02:36,002 INFO L138 BoogieDeclarations]: Found implementation of procedure _raw_spin_lock_irqsave [2023-11-19 08:02:36,002 INFO L130 BoogieDeclarations]: Found specification of procedure oxu_hub_control [2023-11-19 08:02:36,002 INFO L138 BoogieDeclarations]: Found implementation of procedure oxu_hub_control [2023-11-19 08:02:36,002 INFO L130 BoogieDeclarations]: Found specification of procedure __bad_unaligned_access_size [2023-11-19 08:02:36,002 INFO L130 BoogieDeclarations]: Found specification of procedure qh_completions [2023-11-19 08:02:36,003 INFO L138 BoogieDeclarations]: Found implementation of procedure qh_completions [2023-11-19 08:02:36,003 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock [2023-11-19 08:02:36,003 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock [2023-11-19 08:02:36,004 INFO L130 BoogieDeclarations]: Found specification of procedure usb_put_hcd [2023-11-19 08:02:36,004 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_put_hcd [2023-11-19 08:02:36,004 INFO L130 BoogieDeclarations]: Found specification of procedure schedule [2023-11-19 08:02:36,005 INFO L138 BoogieDeclarations]: Found implementation of procedure schedule [2023-11-19 08:02:36,005 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int [2023-11-19 08:02:36,005 INFO L130 BoogieDeclarations]: Found specification of procedure oxu_drv_probe [2023-11-19 08:02:36,005 INFO L138 BoogieDeclarations]: Found implementation of procedure oxu_drv_probe [2023-11-19 08:02:36,005 INFO L130 BoogieDeclarations]: Found specification of procedure __raw_spin_lock_init [2023-11-19 08:02:36,006 INFO L138 BoogieDeclarations]: Found implementation of procedure __raw_spin_lock_init [2023-11-19 08:02:36,006 INFO L130 BoogieDeclarations]: Found specification of procedure timer_action [2023-11-19 08:02:36,007 INFO L138 BoogieDeclarations]: Found implementation of procedure timer_action [2023-11-19 08:02:36,008 INFO L130 BoogieDeclarations]: Found specification of procedure list_empty [2023-11-19 08:02:36,008 INFO L138 BoogieDeclarations]: Found implementation of procedure list_empty [2023-11-19 08:02:36,008 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2023-11-19 08:02:36,008 INFO L130 BoogieDeclarations]: Found specification of procedure oxu_get_frame [2023-11-19 08:02:36,008 INFO L138 BoogieDeclarations]: Found implementation of procedure oxu_get_frame [2023-11-19 08:02:36,009 INFO L130 BoogieDeclarations]: Found specification of procedure _dev_info [2023-11-19 08:02:36,009 INFO L138 BoogieDeclarations]: Found implementation of procedure _dev_info [2023-11-19 08:02:36,009 INFO L130 BoogieDeclarations]: Found specification of procedure oxu_stop [2023-11-19 08:02:36,010 INFO L138 BoogieDeclarations]: Found implementation of procedure oxu_stop [2023-11-19 08:02:36,013 INFO L130 BoogieDeclarations]: Found specification of procedure activate_pending_timer_1 [2023-11-19 08:02:36,013 INFO L138 BoogieDeclarations]: Found implementation of procedure activate_pending_timer_1 [2023-11-19 08:02:36,014 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2023-11-19 08:02:36,015 INFO L130 BoogieDeclarations]: Found specification of procedure del_timer_sync [2023-11-19 08:02:36,016 INFO L138 BoogieDeclarations]: Found implementation of procedure del_timer_sync [2023-11-19 08:02:36,016 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy [2023-11-19 08:02:36,017 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy [2023-11-19 08:02:36,017 INFO L130 BoogieDeclarations]: Found specification of procedure qh_schedule [2023-11-19 08:02:36,017 INFO L138 BoogieDeclarations]: Found implementation of procedure qh_schedule [2023-11-19 08:02:36,024 INFO L130 BoogieDeclarations]: Found specification of procedure check_intr_schedule [2023-11-19 08:02:36,024 INFO L138 BoogieDeclarations]: Found implementation of procedure check_intr_schedule [2023-11-19 08:02:36,024 INFO L130 BoogieDeclarations]: Found specification of procedure __oxu_urb_enqueue [2023-11-19 08:02:36,024 INFO L138 BoogieDeclarations]: Found implementation of procedure __oxu_urb_enqueue [2023-11-19 08:02:36,025 INFO L130 BoogieDeclarations]: Found specification of procedure oxu_drv_remove [2023-11-19 08:02:36,025 INFO L138 BoogieDeclarations]: Found implementation of procedure oxu_drv_remove [2023-11-19 08:02:36,026 INFO L130 BoogieDeclarations]: Found specification of procedure activate_suitable_timer_1 [2023-11-19 08:02:36,026 INFO L138 BoogieDeclarations]: Found implementation of procedure activate_suitable_timer_1 [2023-11-19 08:02:36,026 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2023-11-19 08:02:36,026 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree [2023-11-19 08:02:36,026 INFO L130 BoogieDeclarations]: Found specification of procedure list_add_tail [2023-11-19 08:02:36,026 INFO L138 BoogieDeclarations]: Found implementation of procedure list_add_tail [2023-11-19 08:02:36,027 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-11-19 08:02:36,027 INFO L130 BoogieDeclarations]: Found specification of procedure __dynamic_dev_dbg [2023-11-19 08:02:36,027 INFO L138 BoogieDeclarations]: Found implementation of procedure __dynamic_dev_dbg [2023-11-19 08:02:36,027 INFO L130 BoogieDeclarations]: Found specification of procedure kref_put [2023-11-19 08:02:36,027 INFO L138 BoogieDeclarations]: Found implementation of procedure kref_put [2023-11-19 08:02:36,027 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2023-11-19 08:02:36,028 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2023-11-19 08:02:36,028 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock_irq [2023-11-19 08:02:36,028 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock_irq [2023-11-19 08:02:36,028 INFO L130 BoogieDeclarations]: Found specification of procedure ehci_work [2023-11-19 08:02:36,028 INFO L138 BoogieDeclarations]: Found implementation of procedure ehci_work [2023-11-19 08:02:36,028 INFO L130 BoogieDeclarations]: Found specification of procedure qh_unlink_periodic [2023-11-19 08:02:36,029 INFO L138 BoogieDeclarations]: Found implementation of procedure qh_unlink_periodic [2023-11-19 08:02:36,029 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_init_zalloc [2023-11-19 08:02:36,029 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_init_zalloc [2023-11-19 08:02:36,029 INFO L130 BoogieDeclarations]: Found specification of procedure virt_to_phys [2023-11-19 08:02:36,029 INFO L138 BoogieDeclarations]: Found implementation of procedure virt_to_phys [2023-11-19 08:02:36,030 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2023-11-19 08:02:36,030 INFO L130 BoogieDeclarations]: Found specification of procedure disable_suitable_timer_1 [2023-11-19 08:02:36,030 INFO L138 BoogieDeclarations]: Found implementation of procedure disable_suitable_timer_1 [2023-11-19 08:02:36,030 INFO L130 BoogieDeclarations]: Found specification of procedure unlink_async [2023-11-19 08:02:36,030 INFO L138 BoogieDeclarations]: Found implementation of procedure unlink_async [2023-11-19 08:02:36,030 INFO L130 BoogieDeclarations]: Found specification of procedure ehci_mem_cleanup [2023-11-19 08:02:36,031 INFO L138 BoogieDeclarations]: Found implementation of procedure ehci_mem_cleanup [2023-11-19 08:02:36,031 INFO L130 BoogieDeclarations]: Found specification of procedure oxu_to_hcd [2023-11-19 08:02:36,031 INFO L138 BoogieDeclarations]: Found implementation of procedure oxu_to_hcd [2023-11-19 08:02:36,031 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_memset [2023-11-19 08:02:36,031 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_memset [2023-11-19 08:02:36,031 INFO L130 BoogieDeclarations]: Found specification of procedure __list_add [2023-11-19 08:02:36,032 INFO L138 BoogieDeclarations]: Found implementation of procedure __list_add [2023-11-19 08:02:36,032 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-19 08:02:36,032 INFO L130 BoogieDeclarations]: Found specification of procedure oxu_qh_alloc [2023-11-19 08:02:36,032 INFO L138 BoogieDeclarations]: Found implementation of procedure oxu_qh_alloc [2023-11-19 08:02:36,032 INFO L130 BoogieDeclarations]: Found specification of procedure oxu_bus_suspend [2023-11-19 08:02:36,032 INFO L138 BoogieDeclarations]: Found implementation of procedure oxu_bus_suspend [2023-11-19 08:02:36,033 INFO L130 BoogieDeclarations]: Found specification of procedure usb_calc_bus_time [2023-11-19 08:02:36,033 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_calc_bus_time [2023-11-19 08:02:36,033 INFO L130 BoogieDeclarations]: Found specification of procedure __le32_to_cpup [2023-11-19 08:02:36,033 INFO L138 BoogieDeclarations]: Found implementation of procedure __le32_to_cpup [2023-11-19 08:02:36,033 INFO L130 BoogieDeclarations]: Found specification of procedure __const_udelay [2023-11-19 08:02:36,033 INFO L138 BoogieDeclarations]: Found implementation of procedure __const_udelay [2023-11-19 08:02:36,034 INFO L130 BoogieDeclarations]: Found specification of procedure qh_link_async [2023-11-19 08:02:36,034 INFO L138 BoogieDeclarations]: Found implementation of procedure qh_link_async [2023-11-19 08:02:36,034 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2023-11-19 08:02:36,034 INFO L130 BoogieDeclarations]: Found specification of procedure oxu_hub_status_data [2023-11-19 08:02:36,034 INFO L138 BoogieDeclarations]: Found implementation of procedure oxu_hub_status_data [2023-11-19 08:02:36,034 INFO L130 BoogieDeclarations]: Found specification of procedure oxu_shutdown [2023-11-19 08:02:36,035 INFO L138 BoogieDeclarations]: Found implementation of procedure oxu_shutdown [2023-11-19 08:02:36,035 INFO L130 BoogieDeclarations]: Found specification of procedure qh_urb_transaction [2023-11-19 08:02:36,035 INFO L138 BoogieDeclarations]: Found implementation of procedure qh_urb_transaction [2023-11-19 08:02:36,035 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~VOID [2023-11-19 08:02:36,035 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~VOID [2023-11-19 08:02:36,035 INFO L130 BoogieDeclarations]: Found specification of procedure qh_get [2023-11-19 08:02:36,036 INFO L138 BoogieDeclarations]: Found implementation of procedure qh_get [2023-11-19 08:02:36,036 INFO L130 BoogieDeclarations]: Found specification of procedure spin_lock_irq [2023-11-19 08:02:36,036 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_lock_irq [2023-11-19 08:02:36,036 INFO L130 BoogieDeclarations]: Found specification of procedure ehci_quiesce [2023-11-19 08:02:36,036 INFO L138 BoogieDeclarations]: Found implementation of procedure ehci_quiesce [2023-11-19 08:02:36,036 INFO L130 BoogieDeclarations]: Found specification of procedure scnprintf [2023-11-19 08:02:36,037 INFO L138 BoogieDeclarations]: Found implementation of procedure scnprintf [2023-11-19 08:02:36,037 INFO L130 BoogieDeclarations]: Found specification of procedure timer_action_done [2023-11-19 08:02:36,037 INFO L138 BoogieDeclarations]: Found implementation of procedure timer_action_done [2023-11-19 08:02:36,037 INFO L130 BoogieDeclarations]: Found specification of procedure mod_timer [2023-11-19 08:02:36,037 INFO L138 BoogieDeclarations]: Found implementation of procedure mod_timer [2023-11-19 08:02:36,037 INFO L130 BoogieDeclarations]: Found specification of procedure PTR_ERR [2023-11-19 08:02:36,037 INFO L138 BoogieDeclarations]: Found implementation of procedure PTR_ERR [2023-11-19 08:02:36,038 INFO L130 BoogieDeclarations]: Found specification of procedure device_may_wakeup [2023-11-19 08:02:36,038 INFO L138 BoogieDeclarations]: Found implementation of procedure device_may_wakeup [2023-11-19 08:02:36,038 INFO L130 BoogieDeclarations]: Found specification of procedure usb_remove_hcd [2023-11-19 08:02:36,038 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_remove_hcd [2023-11-19 08:02:36,038 INFO L130 BoogieDeclarations]: Found specification of procedure oxu_murb_free [2023-11-19 08:02:36,038 INFO L138 BoogieDeclarations]: Found implementation of procedure oxu_murb_free [2023-11-19 08:02:36,039 INFO L130 BoogieDeclarations]: Found specification of procedure ehci_urb_done [2023-11-19 08:02:36,039 INFO L138 BoogieDeclarations]: Found implementation of procedure ehci_urb_done [2023-11-19 08:02:36,039 INFO L130 BoogieDeclarations]: Found specification of procedure platform_set_drvdata [2023-11-19 08:02:36,039 INFO L138 BoogieDeclarations]: Found implementation of procedure platform_set_drvdata [2023-11-19 08:02:36,039 INFO L130 BoogieDeclarations]: Found specification of procedure handshake [2023-11-19 08:02:36,039 INFO L138 BoogieDeclarations]: Found implementation of procedure handshake [2023-11-19 08:02:36,040 INFO L130 BoogieDeclarations]: Found specification of procedure platform_get_drvdata [2023-11-19 08:02:36,040 INFO L138 BoogieDeclarations]: Found implementation of procedure platform_get_drvdata [2023-11-19 08:02:36,040 INFO L130 BoogieDeclarations]: Found specification of procedure qh_refresh [2023-11-19 08:02:36,040 INFO L138 BoogieDeclarations]: Found implementation of procedure qh_refresh [2023-11-19 08:02:36,040 INFO L130 BoogieDeclarations]: Found specification of procedure warn_slowpath_null [2023-11-19 08:02:36,040 INFO L138 BoogieDeclarations]: Found implementation of procedure warn_slowpath_null [2023-11-19 08:02:36,041 INFO L130 BoogieDeclarations]: Found specification of procedure start_unlink_async [2023-11-19 08:02:36,041 INFO L138 BoogieDeclarations]: Found implementation of procedure start_unlink_async [2023-11-19 08:02:36,041 INFO L130 BoogieDeclarations]: Found specification of procedure msecs_to_jiffies [2023-11-19 08:02:36,041 INFO L138 BoogieDeclarations]: Found implementation of procedure msecs_to_jiffies [2023-11-19 08:02:36,041 INFO L130 BoogieDeclarations]: Found specification of procedure oxu_bus_resume [2023-11-19 08:02:36,041 INFO L138 BoogieDeclarations]: Found implementation of procedure oxu_bus_resume [2023-11-19 08:02:36,042 INFO L130 BoogieDeclarations]: Found specification of procedure oxu_urb_dequeue [2023-11-19 08:02:36,042 INFO L138 BoogieDeclarations]: Found implementation of procedure oxu_urb_dequeue [2023-11-19 08:02:36,042 INFO L130 BoogieDeclarations]: Found specification of procedure spin_lock [2023-11-19 08:02:36,042 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_lock [2023-11-19 08:02:36,042 INFO L130 BoogieDeclarations]: Found specification of procedure dev_name [2023-11-19 08:02:36,042 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_name [2023-11-19 08:02:36,043 INFO L130 BoogieDeclarations]: Found specification of procedure readl [2023-11-19 08:02:36,043 INFO L138 BoogieDeclarations]: Found implementation of procedure readl [2023-11-19 08:02:36,043 INFO L130 BoogieDeclarations]: Found specification of procedure writel [2023-11-19 08:02:36,043 INFO L138 BoogieDeclarations]: Found implementation of procedure writel [2023-11-19 08:02:36,043 INFO L130 BoogieDeclarations]: Found specification of procedure qh_append_tds [2023-11-19 08:02:36,043 INFO L138 BoogieDeclarations]: Found implementation of procedure qh_append_tds [2023-11-19 08:02:36,044 INFO L130 BoogieDeclarations]: Found specification of procedure oxu_remove [2023-11-19 08:02:36,044 INFO L138 BoogieDeclarations]: Found implementation of procedure oxu_remove [2023-11-19 08:02:36,044 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-19 08:02:36,045 INFO L130 BoogieDeclarations]: Found specification of procedure ehci_qtd_alloc [2023-11-19 08:02:36,049 INFO L138 BoogieDeclarations]: Found implementation of procedure ehci_qtd_alloc [2023-11-19 08:02:36,049 INFO L130 BoogieDeclarations]: Found specification of procedure hcd_to_oxu [2023-11-19 08:02:36,049 INFO L138 BoogieDeclarations]: Found implementation of procedure hcd_to_oxu [2023-11-19 08:02:36,049 INFO L130 BoogieDeclarations]: Found specification of procedure oxu_reset [2023-11-19 08:02:36,050 INFO L138 BoogieDeclarations]: Found implementation of procedure oxu_reset [2023-11-19 08:02:36,050 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-19 08:02:36,050 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-19 08:02:36,050 INFO L130 BoogieDeclarations]: Found specification of procedure IS_ERR [2023-11-19 08:02:36,050 INFO L138 BoogieDeclarations]: Found implementation of procedure IS_ERR [2023-11-19 08:02:36,963 INFO L236 CfgBuilder]: Building ICFG [2023-11-19 08:02:36,968 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-19 08:02:37,714 INFO L767 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stopFINAL: assume true; [2023-11-19 08:02:48,400 INFO L277 CfgBuilder]: Performing block encoding [2023-11-19 08:02:48,454 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-19 08:02:48,454 INFO L302 CfgBuilder]: Removed 0 assume(true) statements. [2023-11-19 08:02:48,480 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 08:02:48 BoogieIcfgContainer [2023-11-19 08:02:48,480 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-19 08:02:48,486 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-11-19 08:02:48,486 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-11-19 08:02:48,491 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-11-19 08:02:48,491 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 19.11 08:02:31" (1/3) ... [2023-11-19 08:02:48,492 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@26e5c8f3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.11 08:02:48, skipping insertion in model container [2023-11-19 08:02:48,493 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 08:02:34" (2/3) ... [2023-11-19 08:02:48,495 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@26e5c8f3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.11 08:02:48, skipping insertion in model container [2023-11-19 08:02:48,495 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 08:02:48" (3/3) ... [2023-11-19 08:02:48,498 INFO L112 eAbstractionObserver]: Analyzing ICFG linux-4.2-rc1.tar.xz-08_1a-drivers--usb--host--oxu210hp-hcd.ko-entry_point.cil.out.i [2023-11-19 08:02:48,523 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-11-19 08:02:48,524 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2023-11-19 08:02:48,705 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-11-19 08:02:48,713 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;@bf31dfd, mLbeIndependenceSettings=[IndependenceType=SYNTACTIC, AbstractionType=NONE, UseConditional=, UseSemiCommutativity=, Solver=, SolverTimeout=] [2023-11-19 08:02:48,714 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2023-11-19 08:02:48,736 INFO L276 IsEmpty]: Start isEmpty. Operand has 3317 states, 2429 states have (on average 1.451214491560313) internal successors, (3525), 2495 states have internal predecessors, (3525), 765 states have call successors, (765), 122 states have call predecessors, (765), 121 states have return successors, (759), 749 states have call predecessors, (759), 759 states have call successors, (759) [2023-11-19 08:02:48,783 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 247 [2023-11-19 08:02:48,783 INFO L187 NwaCegarLoop]: Found error trace [2023-11-19 08:02:48,785 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 08:02:48,785 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-19 08:02:48,795 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 08:02:48,795 INFO L85 PathProgramCache]: Analyzing trace with hash -1491127965, now seen corresponding path program 1 times [2023-11-19 08:02:48,808 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-19 08:02:48,809 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1863770717] [2023-11-19 08:02:48,809 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 08:02:48,810 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 08:02:49,390 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 08:02:49,801 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2023-11-19 08:02:49,819 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 08:02:49,843 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-19 08:02:49,845 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 08:02:49,854 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-11-19 08:02:49,855 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 08:02:49,863 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2023-11-19 08:02:49,869 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 08:02:49,882 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-19 08:02:49,884 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 08:02:49,891 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-11-19 08:02:49,893 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 08:02:49,901 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2023-11-19 08:02:49,907 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 08:02:49,921 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-19 08:02:49,923 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 08:02:49,933 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-11-19 08:02:49,934 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 08:02:49,943 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2023-11-19 08:02:49,949 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 08:02:49,962 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-19 08:02:49,973 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 08:02:49,980 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-11-19 08:02:49,982 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 08:02:50,000 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2023-11-19 08:02:50,013 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 08:02:50,025 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-19 08:02:50,027 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 08:02:50,034 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-11-19 08:02:50,036 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 08:02:50,043 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2023-11-19 08:02:50,050 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 08:02:50,063 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-19 08:02:50,064 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 08:02:50,071 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-11-19 08:02:50,073 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 08:02:50,095 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 99 [2023-11-19 08:02:50,099 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 08:02:50,110 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-19 08:02:50,112 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 08:02:50,121 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 110 [2023-11-19 08:02:50,126 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 08:02:50,139 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-19 08:02:50,141 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 08:02:50,150 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 121 [2023-11-19 08:02:50,154 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 08:02:50,165 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-19 08:02:50,167 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 08:02:50,175 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 132 [2023-11-19 08:02:50,180 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 08:02:50,190 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-19 08:02:50,193 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 08:02:50,201 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 143 [2023-11-19 08:02:50,206 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 08:02:50,216 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-19 08:02:50,218 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 08:02:50,227 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 154 [2023-11-19 08:02:50,231 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 08:02:50,242 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-19 08:02:50,244 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 08:02:50,252 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 165 [2023-11-19 08:02:50,257 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 08:02:50,361 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-19 08:02:50,363 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 08:02:50,370 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 176 [2023-11-19 08:02:50,378 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 08:02:50,387 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-19 08:02:50,389 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 08:02:50,396 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 187 [2023-11-19 08:02:50,400 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 08:02:50,408 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-19 08:02:50,410 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 08:02:50,418 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 198 [2023-11-19 08:02:50,422 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 08:02:50,431 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-19 08:02:50,433 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 08:02:50,440 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 209 [2023-11-19 08:02:50,444 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 08:02:50,452 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-19 08:02:50,454 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 08:02:50,460 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 220 [2023-11-19 08:02:50,464 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 08:02:50,472 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-19 08:02:50,473 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 08:02:50,482 INFO L134 CoverageAnalysis]: Checked inductivity of 804 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 804 trivial. 0 not checked. [2023-11-19 08:02:50,483 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-19 08:02:50,483 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1863770717] [2023-11-19 08:02:50,484 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1863770717] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-19 08:02:50,484 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-19 08:02:50,484 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-11-19 08:02:50,486 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1865801399] [2023-11-19 08:02:50,487 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-19 08:02:50,493 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2023-11-19 08:02:50,493 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-19 08:02:50,524 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2023-11-19 08:02:50,524 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2023-11-19 08:02:50,535 INFO L87 Difference]: Start difference. First operand has 3317 states, 2429 states have (on average 1.451214491560313) internal successors, (3525), 2495 states have internal predecessors, (3525), 765 states have call successors, (765), 122 states have call predecessors, (765), 121 states have return successors, (759), 749 states have call predecessors, (759), 759 states have call successors, (759) Second operand has 5 states, 5 states have (on average 10.0) internal successors, (50), 2 states have internal predecessors, (50), 2 states have call successors, (22), 5 states have call predecessors, (22), 2 states have return successors, (21), 2 states have call predecessors, (21), 2 states have call successors, (21) [2023-11-19 08:03:06,266 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 08:03:08,273 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-19 08:03:10,283 WARN L539 Checker$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 08:03:12,299 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-19 08:03:14,322 WARN L539 Checker$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 08:03:16,334 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-19 08:03:18,341 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers []