./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-media-platform-sh_vou.cil.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 527bcce2 Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a2e8ea42-12ea-4096-9f12-16459e22d168/bin/ukojak-verify-i0I2FZA1j2/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a2e8ea42-12ea-4096-9f12-16459e22d168/bin/ukojak-verify-i0I2FZA1j2/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a2e8ea42-12ea-4096-9f12-16459e22d168/bin/ukojak-verify-i0I2FZA1j2/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a2e8ea42-12ea-4096-9f12-16459e22d168/bin/ukojak-verify-i0I2FZA1j2/config/KojakReach.xml -i ../../sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-media-platform-sh_vou.cil.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a2e8ea42-12ea-4096-9f12-16459e22d168/bin/ukojak-verify-i0I2FZA1j2/config/svcomp-Reach-64bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a2e8ea42-12ea-4096-9f12-16459e22d168/bin/ukojak-verify-i0I2FZA1j2 --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 Kojak --witnessprinter.graph.data.architecture 64bit --witnessprinter.graph.data.programhash 1e62d6cd0cc1881af8a0441eecf66de714a02b83a33093d18addba3b875310c8 --- Real Ultimate output --- This is Ultimate 0.2.3-dev-527bcce [2023-11-21 18:51:49,261 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-21 18:51:49,406 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a2e8ea42-12ea-4096-9f12-16459e22d168/bin/ukojak-verify-i0I2FZA1j2/config/svcomp-Reach-64bit-Kojak_Default.epf [2023-11-21 18:51:49,420 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-21 18:51:49,421 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2023-11-21 18:51:49,502 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-21 18:51:49,503 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-21 18:51:49,504 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-11-21 18:51:49,505 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-21 18:51:49,512 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-21 18:51:49,512 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-21 18:51:49,513 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-21 18:51:49,513 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-21 18:51:49,516 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-21 18:51:49,516 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-21 18:51:49,517 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-21 18:51:49,517 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-21 18:51:49,518 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-21 18:51:49,518 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-21 18:51:49,519 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-11-21 18:51:49,519 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-11-21 18:51:49,520 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-11-21 18:51:49,521 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-21 18:51:49,521 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-21 18:51:49,522 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-21 18:51:49,523 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-21 18:51:49,523 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-21 18:51:49,524 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2023-11-21 18:51:49,524 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-21 18:51:49,525 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-21 18:51:49,526 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode 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_a2e8ea42-12ea-4096-9f12-16459e22d168/bin/ukojak-verify-i0I2FZA1j2/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a2e8ea42-12ea-4096-9f12-16459e22d168/bin/ukojak-verify-i0I2FZA1j2 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 1e62d6cd0cc1881af8a0441eecf66de714a02b83a33093d18addba3b875310c8 [2023-11-21 18:51:49,920 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-21 18:51:49,969 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-21 18:51:49,973 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-21 18:51:49,974 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-21 18:51:49,975 INFO L274 PluginConnector]: CDTParser initialized [2023-11-21 18:51:49,977 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a2e8ea42-12ea-4096-9f12-16459e22d168/bin/ukojak-verify-i0I2FZA1j2/../../sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-media-platform-sh_vou.cil.i [2023-11-21 18:51:53,370 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-21 18:51:53,999 INFO L384 CDTParser]: Found 1 translation units. [2023-11-21 18:51:54,000 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a2e8ea42-12ea-4096-9f12-16459e22d168/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-media-platform-sh_vou.cil.i [2023-11-21 18:51:54,053 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a2e8ea42-12ea-4096-9f12-16459e22d168/bin/ukojak-verify-i0I2FZA1j2/data/0f837f887/cfae21d09e0d4e38a3f0dc38931686be/FLAG24069d648 [2023-11-21 18:51:54,072 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a2e8ea42-12ea-4096-9f12-16459e22d168/bin/ukojak-verify-i0I2FZA1j2/data/0f837f887/cfae21d09e0d4e38a3f0dc38931686be [2023-11-21 18:51:54,078 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-21 18:51:54,081 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-21 18:51:54,085 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-21 18:51:54,085 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-21 18:51:54,091 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-21 18:51:54,094 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.11 06:51:54" (1/1) ... [2023-11-21 18:51:54,096 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@373c79dc and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:51:54, skipping insertion in model container [2023-11-21 18:51:54,096 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.11 06:51:54" (1/1) ... [2023-11-21 18:51:54,283 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-21 18:51:57,258 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_a2e8ea42-12ea-4096-9f12-16459e22d168/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-media-platform-sh_vou.cil.i[324684,324697] [2023-11-21 18:51:57,263 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_a2e8ea42-12ea-4096-9f12-16459e22d168/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-media-platform-sh_vou.cil.i[324853,324866] [2023-11-21 18:51:57,264 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_a2e8ea42-12ea-4096-9f12-16459e22d168/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-media-platform-sh_vou.cil.i[325020,325033] [2023-11-21 18:51:57,265 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_a2e8ea42-12ea-4096-9f12-16459e22d168/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-media-platform-sh_vou.cil.i[325188,325201] [2023-11-21 18:51:57,334 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-21 18:51:57,465 INFO L202 MainTranslator]: Completed pre-run [2023-11-21 18:51:57,635 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile (".pushsection .smp_locks,\"a\"\n.balign 4\n.long 671f - .\n.popsection\n671:\n\tlock; decl %0": "+m" (v->counter)); [4689] [2023-11-21 18:51:57,638 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"); [4717-4718] [2023-11-21 18:51:57,638 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"); [4721-4722] [2023-11-21 18:51:57,639 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"); [4725-4726] [2023-11-21 18:51:57,639 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"); [4729-4730] [2023-11-21 18:51:57,641 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("movb %%gs:%P1,%0": "=q" (pfo_ret__): "m" (__preempt_count)); [4807] [2023-11-21 18:51:57,646 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("movw %%gs:%P1,%0": "=r" (pfo_ret__): "m" (__preempt_count)); [4810] [2023-11-21 18:51:57,646 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("movl %%gs:%P1,%0": "=r" (pfo_ret__): "m" (__preempt_count)); [4813] [2023-11-21 18:51:57,647 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("movq %%gs:%P1,%0": "=r" (pfo_ret__): "m" (__preempt_count)); [4816] [2023-11-21 18:51:57,649 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("movl %1,%0": "=r" (ret): "m" (*((unsigned int volatile *)addr))); [4875] [2023-11-21 18:51:57,649 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("movl %0,%1": : "r" (val), "m" (*((unsigned int volatile *)addr))); [4882] [2023-11-21 18:51:57,668 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 *)"drivers/media/platform/sh_vou.c"), "i" (232), "i" (12UL)); [5248-5249] [2023-11-21 18:51:58,070 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_a2e8ea42-12ea-4096-9f12-16459e22d168/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-media-platform-sh_vou.cil.i[324684,324697] [2023-11-21 18:51:58,071 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_a2e8ea42-12ea-4096-9f12-16459e22d168/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-media-platform-sh_vou.cil.i[324853,324866] [2023-11-21 18:51:58,071 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_a2e8ea42-12ea-4096-9f12-16459e22d168/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-media-platform-sh_vou.cil.i[325020,325033] [2023-11-21 18:51:58,072 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_a2e8ea42-12ea-4096-9f12-16459e22d168/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-media-platform-sh_vou.cil.i[325188,325201] [2023-11-21 18:51:58,079 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-21 18:51:58,258 WARN L675 CHandler]: The function __xadd_wrong_size is called, but not defined or handled by StandardFunctionHandler. [2023-11-21 18:51:58,258 WARN L675 CHandler]: The function __bad_percpu_size is called, but not defined or handled by StandardFunctionHandler. [2023-11-21 18:51:58,267 INFO L206 MainTranslator]: Completed translation [2023-11-21 18:51:58,268 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:51:58 WrapperNode [2023-11-21 18:51:58,268 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-21 18:51:58,270 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-21 18:51:58,270 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-21 18:51:58,270 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-21 18:51:58,279 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:51:58" (1/1) ... [2023-11-21 18:51:58,485 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:51:58" (1/1) ... [2023-11-21 18:51:59,995 INFO L138 Inliner]: procedures = 379, calls = 4139, calls flagged for inlining = 204, calls inlined = 195, statements flattened = 8601 [2023-11-21 18:51:59,996 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-21 18:51:59,997 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-21 18:51:59,997 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-21 18:51:59,997 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-21 18:52:00,013 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:51:58" (1/1) ... [2023-11-21 18:52:00,013 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:51:58" (1/1) ... [2023-11-21 18:52:00,593 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:51:58" (1/1) ... [2023-11-21 18:52:00,602 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:51:58" (1/1) ... [2023-11-21 18:52:01,769 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:51:58" (1/1) ... [2023-11-21 18:52:01,814 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:51:58" (1/1) ... [2023-11-21 18:52:01,878 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:51:58" (1/1) ... [2023-11-21 18:52:01,917 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:51:58" (1/1) ... [2023-11-21 18:52:01,981 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-21 18:52:01,982 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-21 18:52:01,982 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-21 18:52:01,983 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-21 18:52:01,984 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:51:58" (1/1) ... [2023-11-21 18:52:01,990 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-21 18:52:02,004 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a2e8ea42-12ea-4096-9f12-16459e22d168/bin/ukojak-verify-i0I2FZA1j2/z3 [2023-11-21 18:52:02,018 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a2e8ea42-12ea-4096-9f12-16459e22d168/bin/ukojak-verify-i0I2FZA1j2/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-11-21 18:52:02,044 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a2e8ea42-12ea-4096-9f12-16459e22d168/bin/ukojak-verify-i0I2FZA1j2/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-11-21 18:52:02,068 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2023-11-21 18:52:02,068 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2023-11-21 18:52:02,069 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.meminit [2023-11-21 18:52:02,069 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.meminit [2023-11-21 18:52:02,069 INFO L130 BoogieDeclarations]: Found specification of procedure sh_vou_schedule_next [2023-11-21 18:52:02,069 INFO L138 BoogieDeclarations]: Found implementation of procedure sh_vou_schedule_next [2023-11-21 18:52:02,070 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlock [2023-11-21 18:52:02,070 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlock [2023-11-21 18:52:02,070 INFO L130 BoogieDeclarations]: Found specification of procedure pm_runtime_put [2023-11-21 18:52:02,070 INFO L138 BoogieDeclarations]: Found implementation of procedure pm_runtime_put [2023-11-21 18:52:02,071 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2023-11-21 18:52:02,071 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2023-11-21 18:52:02,071 INFO L130 BoogieDeclarations]: Found specification of procedure sh_vou_configure_geometry [2023-11-21 18:52:02,072 INFO L138 BoogieDeclarations]: Found implementation of procedure sh_vou_configure_geometry [2023-11-21 18:52:02,072 INFO L130 BoogieDeclarations]: Found specification of procedure video_device_release [2023-11-21 18:52:02,072 INFO L138 BoogieDeclarations]: Found implementation of procedure video_device_release [2023-11-21 18:52:02,073 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_lock_interruptible_nested [2023-11-21 18:52:02,073 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_lock_interruptible_nested [2023-11-21 18:52:02,073 INFO L130 BoogieDeclarations]: Found specification of procedure free_irq [2023-11-21 18:52:02,074 INFO L138 BoogieDeclarations]: Found implementation of procedure free_irq [2023-11-21 18:52:02,075 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lock [2023-11-21 18:52:02,075 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lock [2023-11-21 18:52:02,076 INFO L130 BoogieDeclarations]: Found specification of procedure sh_vou_reg_ab_set [2023-11-21 18:52:02,077 INFO L138 BoogieDeclarations]: Found implementation of procedure sh_vou_reg_ab_set [2023-11-21 18:52:02,078 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_unlock [2023-11-21 18:52:02,078 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_unlock [2023-11-21 18:52:02,078 INFO L130 BoogieDeclarations]: Found specification of procedure v4l2_device_unregister [2023-11-21 18:52:02,078 INFO L138 BoogieDeclarations]: Found implementation of procedure v4l2_device_unregister [2023-11-21 18:52:02,079 INFO L130 BoogieDeclarations]: Found specification of procedure sh_vou_release [2023-11-21 18:52:02,079 INFO L138 BoogieDeclarations]: Found implementation of procedure sh_vou_release [2023-11-21 18:52:02,079 INFO L130 BoogieDeclarations]: Found specification of procedure sh_vou_remove [2023-11-21 18:52:02,080 INFO L138 BoogieDeclarations]: Found implementation of procedure sh_vou_remove [2023-11-21 18:52:02,080 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_EMGentry_exit_sh_vou_exit_9_2 [2023-11-21 18:52:02,080 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_EMGentry_exit_sh_vou_exit_9_2 [2023-11-21 18:52:02,080 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_dev_get_drvdata [2023-11-21 18:52:02,080 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_dev_get_drvdata [2023-11-21 18:52:02,081 INFO L130 BoogieDeclarations]: Found specification of procedure video_drvdata [2023-11-21 18:52:02,081 INFO L138 BoogieDeclarations]: Found implementation of procedure video_drvdata [2023-11-21 18:52:02,081 INFO L130 BoogieDeclarations]: Found specification of procedure sh_vou_reg_m_write [2023-11-21 18:52:02,081 INFO L138 BoogieDeclarations]: Found implementation of procedure sh_vou_reg_m_write [2023-11-21 18:52:02,081 INFO L130 BoogieDeclarations]: Found specification of procedure free_buffer [2023-11-21 18:52:02,082 INFO L138 BoogieDeclarations]: Found implementation of procedure free_buffer [2023-11-21 18:52:02,082 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-11-21 18:52:02,082 INFO L130 BoogieDeclarations]: Found specification of procedure platform_get_irq [2023-11-21 18:52:02,082 INFO L138 BoogieDeclarations]: Found implementation of procedure platform_get_irq [2023-11-21 18:52:02,082 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2023-11-21 18:52:02,083 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_xmalloc [2023-11-21 18:52:02,083 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_xmalloc [2023-11-21 18:52:02,083 INFO L130 BoogieDeclarations]: Found specification of procedure strlcpy [2023-11-21 18:52:02,083 INFO L138 BoogieDeclarations]: Found implementation of procedure strlcpy [2023-11-21 18:52:02,084 INFO L130 BoogieDeclarations]: Found specification of procedure __xadd_wrong_size [2023-11-21 18:52:02,085 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_is_err [2023-11-21 18:52:02,085 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_is_err [2023-11-21 18:52:02,085 INFO L130 BoogieDeclarations]: Found specification of procedure platform_get_resource [2023-11-21 18:52:02,086 INFO L138 BoogieDeclarations]: Found implementation of procedure platform_get_resource [2023-11-21 18:52:02,087 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-11-21 18:52:02,087 INFO L130 BoogieDeclarations]: Found specification of procedure __pm_runtime_resume [2023-11-21 18:52:02,088 INFO L138 BoogieDeclarations]: Found implementation of procedure __pm_runtime_resume [2023-11-21 18:52:02,088 INFO L130 BoogieDeclarations]: Found specification of procedure iounmap [2023-11-21 18:52:02,088 INFO L138 BoogieDeclarations]: Found implementation of procedure iounmap [2023-11-21 18:52:02,089 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2023-11-21 18:52:02,089 INFO L130 BoogieDeclarations]: Found specification of procedure videobuf_to_dma_contig [2023-11-21 18:52:02,089 INFO L138 BoogieDeclarations]: Found implementation of procedure videobuf_to_dma_contig [2023-11-21 18:52:02,089 INFO L130 BoogieDeclarations]: Found specification of procedure sh_vou_reg_a_write [2023-11-21 18:52:02,090 INFO L138 BoogieDeclarations]: Found implementation of procedure sh_vou_reg_a_write [2023-11-21 18:52:02,090 INFO L130 BoogieDeclarations]: Found specification of procedure dev_err [2023-11-21 18:52:02,090 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_err [2023-11-21 18:52:02,091 INFO L130 BoogieDeclarations]: Found specification of procedure list_del [2023-11-21 18:52:02,091 INFO L138 BoogieDeclarations]: Found implementation of procedure list_del [2023-11-21 18:52:02,091 INFO L130 BoogieDeclarations]: Found specification of procedure kzalloc [2023-11-21 18:52:02,091 INFO L138 BoogieDeclarations]: Found implementation of procedure kzalloc [2023-11-21 18:52:02,092 INFO L130 BoogieDeclarations]: Found specification of procedure sh_vou_open [2023-11-21 18:52:02,092 INFO L138 BoogieDeclarations]: Found implementation of procedure sh_vou_open [2023-11-21 18:52:02,092 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_lock_nested [2023-11-21 18:52:02,092 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_lock_nested [2023-11-21 18:52:02,092 INFO L130 BoogieDeclarations]: Found specification of procedure sh_vou_reg_a_read [2023-11-21 18:52:02,093 INFO L138 BoogieDeclarations]: Found implementation of procedure sh_vou_reg_a_read [2023-11-21 18:52:02,093 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_filter_positive_int [2023-11-21 18:52:02,093 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_filter_positive_int [2023-11-21 18:52:02,093 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_free_irq [2023-11-21 18:52:02,094 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_free_irq [2023-11-21 18:52:02,094 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_zalloc [2023-11-21 18:52:02,095 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_zalloc [2023-11-21 18:52:02,095 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_55 [2023-11-21 18:52:02,095 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_55 [2023-11-21 18:52:02,096 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~int~TO~int [2023-11-21 18:52:02,096 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~int~TO~int [2023-11-21 18:52:02,096 INFO L130 BoogieDeclarations]: Found specification of procedure list_empty [2023-11-21 18:52:02,096 INFO L138 BoogieDeclarations]: Found implementation of procedure list_empty [2023-11-21 18:52:02,096 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assume [2023-11-21 18:52:02,097 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assume [2023-11-21 18:52:02,097 INFO L130 BoogieDeclarations]: Found specification of procedure sh_vou_hw_init [2023-11-21 18:52:02,097 INFO L138 BoogieDeclarations]: Found implementation of procedure sh_vou_hw_init [2023-11-21 18:52:02,097 INFO L130 BoogieDeclarations]: Found specification of procedure printk_timed_ratelimit [2023-11-21 18:52:02,097 INFO L138 BoogieDeclarations]: Found implementation of procedure printk_timed_ratelimit [2023-11-21 18:52:02,098 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2023-11-21 18:52:02,098 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_dev_set_drvdata [2023-11-21 18:52:02,098 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_dev_set_drvdata [2023-11-21 18:52:02,098 INFO L130 BoogieDeclarations]: Found specification of procedure sh_vou_poll [2023-11-21 18:52:02,098 INFO L138 BoogieDeclarations]: Found implementation of procedure sh_vou_poll [2023-11-21 18:52:02,099 INFO L130 BoogieDeclarations]: Found specification of procedure __release_region [2023-11-21 18:52:02,099 INFO L138 BoogieDeclarations]: Found implementation of procedure __release_region [2023-11-21 18:52:02,100 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2023-11-21 18:52:02,100 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree [2023-11-21 18:52:02,100 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-11-21 18:52:02,100 INFO L130 BoogieDeclarations]: Found specification of procedure __dynamic_dev_dbg [2023-11-21 18:52:02,101 INFO L138 BoogieDeclarations]: Found implementation of procedure __dynamic_dev_dbg [2023-11-21 18:52:02,101 INFO L130 BoogieDeclarations]: Found specification of procedure sh_vou_mmap [2023-11-21 18:52:02,101 INFO L138 BoogieDeclarations]: Found implementation of procedure sh_vou_mmap [2023-11-21 18:52:02,101 INFO L130 BoogieDeclarations]: Found specification of procedure __dynamic_pr_debug [2023-11-21 18:52:02,102 INFO L138 BoogieDeclarations]: Found implementation of procedure __dynamic_pr_debug [2023-11-21 18:52:02,102 INFO L130 BoogieDeclarations]: Found specification of procedure pm_runtime_disable [2023-11-21 18:52:02,103 INFO L138 BoogieDeclarations]: Found implementation of procedure pm_runtime_disable [2023-11-21 18:52:02,103 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2023-11-21 18:52:02,103 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2023-11-21 18:52:02,104 INFO L130 BoogieDeclarations]: Found specification of procedure video_get_drvdata [2023-11-21 18:52:02,104 INFO L138 BoogieDeclarations]: Found implementation of procedure video_get_drvdata [2023-11-21 18:52:02,104 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_lock_lock_of_sh_vou_device [2023-11-21 18:52:02,105 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_lock_lock_of_sh_vou_device [2023-11-21 18:52:02,105 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_locked_at_exit [2023-11-21 18:52:02,105 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_locked_at_exit [2023-11-21 18:52:02,105 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2023-11-21 18:52:02,105 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_1 [2023-11-21 18:52:02,106 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_1 [2023-11-21 18:52:02,106 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_0 [2023-11-21 18:52:02,106 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_0 [2023-11-21 18:52:02,106 INFO L130 BoogieDeclarations]: Found specification of procedure sh_vou_reg_ab_write [2023-11-21 18:52:02,106 INFO L138 BoogieDeclarations]: Found implementation of procedure sh_vou_reg_ab_write [2023-11-21 18:52:02,107 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_3 [2023-11-21 18:52:02,107 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_3 [2023-11-21 18:52:02,107 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_4 [2023-11-21 18:52:02,108 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_4 [2023-11-21 18:52:02,108 INFO L130 BoogieDeclarations]: Found specification of procedure i2c_put_adapter [2023-11-21 18:52:02,108 INFO L138 BoogieDeclarations]: Found implementation of procedure i2c_put_adapter [2023-11-21 18:52:02,108 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-21 18:52:02,110 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undef_int [2023-11-21 18:52:02,110 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undef_int [2023-11-21 18:52:02,110 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2023-11-21 18:52:02,110 INFO L130 BoogieDeclarations]: Found specification of procedure __bad_percpu_size [2023-11-21 18:52:02,111 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~VOID [2023-11-21 18:52:02,111 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~VOID [2023-11-21 18:52:02,112 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~int [2023-11-21 18:52:02,115 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~int [2023-11-21 18:52:02,116 INFO L130 BoogieDeclarations]: Found specification of procedure v4l_bound_align_image [2023-11-21 18:52:02,116 INFO L138 BoogieDeclarations]: Found implementation of procedure v4l_bound_align_image [2023-11-21 18:52:02,116 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_lock_of_sh_vou_device [2023-11-21 18:52:02,117 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_lock_of_sh_vou_device [2023-11-21 18:52:02,118 INFO L130 BoogieDeclarations]: Found specification of procedure sh_vou_reg_a_set [2023-11-21 18:52:02,119 INFO L138 BoogieDeclarations]: Found implementation of procedure sh_vou_reg_a_set [2023-11-21 18:52:02,119 INFO L130 BoogieDeclarations]: Found specification of procedure __readl [2023-11-21 18:52:02,120 INFO L138 BoogieDeclarations]: Found implementation of procedure __readl [2023-11-21 18:52:02,126 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_free [2023-11-21 18:52:02,127 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_free [2023-11-21 18:52:02,127 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_add_return [2023-11-21 18:52:02,127 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_add_return [2023-11-21 18:52:02,127 INFO L130 BoogieDeclarations]: Found specification of procedure __writel [2023-11-21 18:52:02,127 INFO L138 BoogieDeclarations]: Found implementation of procedure __writel [2023-11-21 18:52:02,128 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~$Pointer$~TO~int [2023-11-21 18:52:02,128 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~$Pointer$~TO~int [2023-11-21 18:52:02,128 INFO L130 BoogieDeclarations]: Found specification of procedure vou_adjust_input [2023-11-21 18:52:02,128 INFO L138 BoogieDeclarations]: Found implementation of procedure vou_adjust_input [2023-11-21 18:52:02,128 INFO L130 BoogieDeclarations]: Found specification of procedure dev_warn [2023-11-21 18:52:02,129 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_warn [2023-11-21 18:52:02,129 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-21 18:52:02,129 INFO L130 BoogieDeclarations]: Found specification of procedure resource_size [2023-11-21 18:52:02,129 INFO L138 BoogieDeclarations]: Found implementation of procedure resource_size [2023-11-21 18:52:02,129 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_final_state [2023-11-21 18:52:02,130 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_final_state [2023-11-21 18:52:02,130 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-21 18:52:02,130 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-21 18:52:02,131 INFO L130 BoogieDeclarations]: Found specification of procedure sh_vou_probe [2023-11-21 18:52:02,131 INFO L138 BoogieDeclarations]: Found implementation of procedure sh_vou_probe [2023-11-21 18:52:02,131 INFO L130 BoogieDeclarations]: Found specification of procedure sh_vou_ntsc_mode [2023-11-21 18:52:02,131 INFO L138 BoogieDeclarations]: Found implementation of procedure sh_vou_ntsc_mode [2023-11-21 18:52:03,348 INFO L240 CfgBuilder]: Building ICFG [2023-11-21 18:52:03,352 INFO L266 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-21 18:52:03,763 INFO L774 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stopFINAL: assume true; [2023-11-21 18:52:26,219 INFO L774 $ProcedureCfgBuilder]: dead code at ProgramPoint ULTIMATE.startFINAL: assume true;