./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/ldv-commit-tester/main3_drivers-media-video-tlg2300-poseidon-ko--32_7a--4a349aa.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 30e01a73 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_4dd348d2-b1c4-4b58-989c-61afe7f70268/bin/utaipan-verify-mE87zJ7Ire/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4dd348d2-b1c4-4b58-989c-61afe7f70268/bin/utaipan-verify-mE87zJ7Ire/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4dd348d2-b1c4-4b58-989c-61afe7f70268/bin/utaipan-verify-mE87zJ7Ire/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4dd348d2-b1c4-4b58-989c-61afe7f70268/bin/utaipan-verify-mE87zJ7Ire/config/TaipanReach.xml -i ../../sv-benchmarks/c/ldv-commit-tester/main3_drivers-media-video-tlg2300-poseidon-ko--32_7a--4a349aa.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4dd348d2-b1c4-4b58-989c-61afe7f70268/bin/utaipan-verify-mE87zJ7Ire/config/svcomp-Reach-64bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4dd348d2-b1c4-4b58-989c-61afe7f70268/bin/utaipan-verify-mE87zJ7Ire --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Taipan --witnessprinter.graph.data.architecture 64bit --witnessprinter.graph.data.programhash a39972fedd2c32e1b0c1a1e36e71e6a7f2f27ff7bdb89adfbd5175cf7e57ae01 --- Real Ultimate output --- This is Ultimate 0.2.3-dev-30e01a7 [2023-11-23 21:29:19,332 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-23 21:29:19,418 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4dd348d2-b1c4-4b58-989c-61afe7f70268/bin/utaipan-verify-mE87zJ7Ire/config/svcomp-Reach-64bit-Taipan_Default.epf [2023-11-23 21:29:19,425 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-23 21:29:19,426 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-11-23 21:29:19,453 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-23 21:29:19,454 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-11-23 21:29:19,455 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-11-23 21:29:19,456 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-23 21:29:19,456 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-11-23 21:29:19,457 INFO L153 SettingsManager]: * User list type=DISABLED [2023-11-23 21:29:19,458 INFO L151 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2023-11-23 21:29:19,459 INFO L153 SettingsManager]: * Explicit value domain=true [2023-11-23 21:29:19,459 INFO L153 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2023-11-23 21:29:19,460 INFO L153 SettingsManager]: * Octagon Domain=false [2023-11-23 21:29:19,461 INFO L153 SettingsManager]: * Abstract domain=CompoundDomain [2023-11-23 21:29:19,461 INFO L153 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2023-11-23 21:29:19,462 INFO L153 SettingsManager]: * Use the RCFG-of-the-future interface=true [2023-11-23 21:29:19,462 INFO L153 SettingsManager]: * Interval Domain=false [2023-11-23 21:29:19,463 INFO L151 SettingsManager]: Preferences of Sifa differ from their defaults: [2023-11-23 21:29:19,464 INFO L153 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2023-11-23 21:29:19,465 INFO L153 SettingsManager]: * Simplification Technique=POLY_PAC [2023-11-23 21:29:19,466 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-23 21:29:19,466 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-23 21:29:19,467 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-23 21:29:19,467 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-23 21:29:19,468 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-23 21:29:19,468 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-23 21:29:19,469 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-23 21:29:19,470 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-23 21:29:19,470 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-23 21:29:19,471 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-23 21:29:19,471 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2023-11-23 21:29:19,472 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-11-23 21:29:19,472 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-23 21:29:19,473 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-23 21:29:19,474 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-23 21:29:19,474 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-23 21:29:19,475 INFO L153 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2023-11-23 21:29:19,476 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-23 21:29:19,476 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2023-11-23 21:29:19,477 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-23 21:29:19,477 INFO L153 SettingsManager]: * Trace refinement exception blacklist=NONE [2023-11-23 21:29:19,478 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-23 21:29:19,478 INFO L153 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4dd348d2-b1c4-4b58-989c-61afe7f70268/bin/utaipan-verify-mE87zJ7Ire/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4dd348d2-b1c4-4b58-989c-61afe7f70268/bin/utaipan-verify-mE87zJ7Ire Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> a39972fedd2c32e1b0c1a1e36e71e6a7f2f27ff7bdb89adfbd5175cf7e57ae01 [2023-11-23 21:29:19,741 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-23 21:29:19,765 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-23 21:29:19,768 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-23 21:29:19,769 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-23 21:29:19,770 INFO L274 PluginConnector]: CDTParser initialized [2023-11-23 21:29:19,772 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4dd348d2-b1c4-4b58-989c-61afe7f70268/bin/utaipan-verify-mE87zJ7Ire/../../sv-benchmarks/c/ldv-commit-tester/main3_drivers-media-video-tlg2300-poseidon-ko--32_7a--4a349aa.i [2023-11-23 21:29:23,063 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-23 21:29:23,854 INFO L384 CDTParser]: Found 1 translation units. [2023-11-23 21:29:23,855 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4dd348d2-b1c4-4b58-989c-61afe7f70268/sv-benchmarks/c/ldv-commit-tester/main3_drivers-media-video-tlg2300-poseidon-ko--32_7a--4a349aa.i [2023-11-23 21:29:23,925 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4dd348d2-b1c4-4b58-989c-61afe7f70268/bin/utaipan-verify-mE87zJ7Ire/data/1e2fa0fc2/aea764374df54910965189e8513648f2/FLAG594065a33 [2023-11-23 21:29:23,944 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4dd348d2-b1c4-4b58-989c-61afe7f70268/bin/utaipan-verify-mE87zJ7Ire/data/1e2fa0fc2/aea764374df54910965189e8513648f2 [2023-11-23 21:29:23,951 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-23 21:29:23,954 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-23 21:29:23,957 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-23 21:29:23,958 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-23 21:29:23,964 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-23 21:29:23,965 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 09:29:23" (1/1) ... [2023-11-23 21:29:23,966 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@209e2cfc and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:29:23, skipping insertion in model container [2023-11-23 21:29:23,967 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 09:29:23" (1/1) ... [2023-11-23 21:29:24,166 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-23 21:29:27,753 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_4dd348d2-b1c4-4b58-989c-61afe7f70268/sv-benchmarks/c/ldv-commit-tester/main3_drivers-media-video-tlg2300-poseidon-ko--32_7a--4a349aa.i[345486,345499] [2023-11-23 21:29:27,924 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-23 21:29:28,011 INFO L202 MainTranslator]: Completed pre-run [2023-11-23 21:29:28,242 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("movb %%gs:%P1,%0": "=q" (pfo_ret__): "p" (& current_task)); [5256] [2023-11-23 21:29:28,244 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("movw %%gs:%P1,%0": "=r" (pfo_ret__): "p" (& current_task)); [5259] [2023-11-23 21:29:28,244 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("movl %%gs:%P1,%0": "=r" (pfo_ret__): "p" (& current_task)); [5262] [2023-11-23 21:29:28,245 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("movq %%gs:%P1,%0": "=r" (pfo_ret__): "p" (& current_task)); [5265] [2023-11-23 21:29:28,419 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("xchgb %0,%1": "=q" (__x), "+m" (*__ptr): "0" (__x): "memory"); [6743] [2023-11-23 21:29:28,419 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("xchgw %0,%1": "=r" (__x), "+m" (*__ptr___0): "0" (__x): "memory"); [6748] [2023-11-23 21:29:28,419 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("xchgl %0,%1": "=r" (__x), "+m" (*__ptr___1): "0" (__x): "memory"); [6753] [2023-11-23 21:29:28,420 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("xchgq %0,%1": "=r" (__x), "+m" (*__ptr___2): "0" (__x): "memory"); [6758] [2023-11-23 21:29:28,430 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("xchgb %0,%1": "=q" (__x), "+m" (*__ptr): "0" (__x): "memory"); [6833] [2023-11-23 21:29:28,430 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("xchgw %0,%1": "=r" (__x), "+m" (*__ptr___0): "0" (__x): "memory"); [6838] [2023-11-23 21:29:28,431 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("xchgl %0,%1": "=r" (__x), "+m" (*__ptr___1): "0" (__x): "memory"); [6843] [2023-11-23 21:29:28,431 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("xchgq %0,%1": "=r" (__x), "+m" (*__ptr___2): "0" (__x): "memory"); [6848] [2023-11-23 21:29:28,485 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("xchgb %0,%1": "=q" (__x), "+m" (*__ptr): "0" (__x): "memory"); [7236] [2023-11-23 21:29:28,486 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("xchgw %0,%1": "=r" (__x), "+m" (*__ptr___0): "0" (__x): "memory"); [7241] [2023-11-23 21:29:28,486 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("xchgl %0,%1": "=r" (__x), "+m" (*__ptr___1): "0" (__x): "memory"); [7246] [2023-11-23 21:29:28,486 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("xchgq %0,%1": "=r" (__x), "+m" (*__ptr___2): "0" (__x): "memory"); [7251] [2023-11-23 21:29:28,622 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile (".section .smp_locks,\"a\"\n.balign 4\n.long 671f - .\n.previous\n671:\n\tlock; incl %0": "+m" (v->counter)); [8779] [2023-11-23 21:29:28,622 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile (".section .smp_locks,\"a\"\n.balign 4\n.long 671f - .\n.previous\n671:\n\tlock; decl %0; sete %1": "+m" (v->counter), "=qm" (c): : "memory"); [8787-8788] [2023-11-23 21:29:28,623 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile (".section .smp_locks,\"a\"\n.balign 4\n.long 671f - .\n.previous\n671:\n\tlock; xaddl %0, %1": "+r" (i), "+m" (v->counter): : "memory"); [8797-8798] [2023-11-23 21:29:28,624 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("xchgb %0,%1": "=q" (__x), "+m" (*__ptr): "0" (__x): "memory"); [8866] [2023-11-23 21:29:28,625 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("xchgw %0,%1": "=r" (__x), "+m" (*__ptr___0): "0" (__x): "memory"); [8871] [2023-11-23 21:29:28,625 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("xchgl %0,%1": "=r" (__x), "+m" (*__ptr___1): "0" (__x): "memory"); [8876] [2023-11-23 21:29:28,626 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("xchgq %0,%1": "=r" (__x), "+m" (*__ptr___2): "0" (__x): "memory"); [8881] [2023-11-23 21:29:28,675 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("xchgb %0,%1": "=q" (__x), "+m" (*__ptr): "0" (__x): "memory"); [9582] [2023-11-23 21:29:28,677 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("xchgw %0,%1": "=r" (__x), "+m" (*__ptr___0): "0" (__x): "memory"); [9587] [2023-11-23 21:29:28,678 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("xchgl %0,%1": "=r" (__x), "+m" (*__ptr___1): "0" (__x): "memory"); [9592] [2023-11-23 21:29:28,678 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("xchgq %0,%1": "=r" (__x), "+m" (*__ptr___2): "0" (__x): "memory"); [9597] [2023-11-23 21:29:28,684 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("xchgb %0,%1": "=q" (__x), "+m" (*__ptr): "0" (__x): "memory"); [9945] [2023-11-23 21:29:28,684 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("xchgw %0,%1": "=r" (__x), "+m" (*__ptr___0): "0" (__x): "memory"); [9950] [2023-11-23 21:29:28,684 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("xchgl %0,%1": "=r" (__x), "+m" (*__ptr___1): "0" (__x): "memory"); [9955] [2023-11-23 21:29:28,685 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("xchgq %0,%1": "=r" (__x), "+m" (*__ptr___2): "0" (__x): "memory"); [9960] [2023-11-23 21:29:28,692 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("xchgb %0,%1": "=q" (__x), "+m" (*__ptr): "0" (__x): "memory"); [10154] [2023-11-23 21:29:28,692 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("xchgw %0,%1": "=r" (__x), "+m" (*__ptr___0): "0" (__x): "memory"); [10159] [2023-11-23 21:29:28,693 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("xchgl %0,%1": "=r" (__x), "+m" (*__ptr___1): "0" (__x): "memory"); [10164] [2023-11-23 21:29:28,693 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("xchgq %0,%1": "=r" (__x), "+m" (*__ptr___2): "0" (__x): "memory"); [10169] [2023-11-23 21:29:28,696 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("xchgb %0,%1": "=q" (__x), "+m" (*__ptr): "0" (__x): "memory"); [10248] [2023-11-23 21:29:28,697 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("xchgw %0,%1": "=r" (__x), "+m" (*__ptr___0): "0" (__x): "memory"); [10253] [2023-11-23 21:29:28,697 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("xchgl %0,%1": "=r" (__x), "+m" (*__ptr___1): "0" (__x): "memory"); [10258] [2023-11-23 21:29:28,698 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("xchgq %0,%1": "=r" (__x), "+m" (*__ptr___2): "0" (__x): "memory"); [10263] [2023-11-23 21:29:28,753 WARN L75 lationResultReporter]: Unsoundness Warning: ignored call to __builtin_prefetch C: __builtin_prefetch((void const *)pd->device_list.next) [11439] [2023-11-23 21:29:28,785 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_4dd348d2-b1c4-4b58-989c-61afe7f70268/sv-benchmarks/c/ldv-commit-tester/main3_drivers-media-video-tlg2300-poseidon-ko--32_7a--4a349aa.i[345486,345499] [2023-11-23 21:29:28,801 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-23 21:29:29,089 WARN L675 CHandler]: The function strncmp is called, but not defined or handled by StandardFunctionHandler. [2023-11-23 21:29:29,089 WARN L675 CHandler]: The function __xchg_wrong_size is called, but not defined or handled by StandardFunctionHandler. [2023-11-23 21:29:29,091 WARN L675 CHandler]: The function __bad_percpu_size is called, but not defined or handled by StandardFunctionHandler. [2023-11-23 21:29:29,098 INFO L206 MainTranslator]: Completed translation [2023-11-23 21:29:29,099 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:29:29 WrapperNode [2023-11-23 21:29:29,099 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-23 21:29:29,100 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-23 21:29:29,101 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-23 21:29:29,102 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-23 21:29:29,110 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:29:29" (1/1) ... [2023-11-23 21:29:29,261 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:29:29" (1/1) ... [2023-11-23 21:29:29,479 INFO L138 Inliner]: procedures = 461, calls = 4836, calls flagged for inlining = 235, calls inlined = 28, statements flattened = 2877 [2023-11-23 21:29:29,479 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-23 21:29:29,480 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-23 21:29:29,480 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-23 21:29:29,481 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-23 21:29:29,491 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:29:29" (1/1) ... [2023-11-23 21:29:29,492 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:29:29" (1/1) ... [2023-11-23 21:29:29,550 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:29:29" (1/1) ... [2023-11-23 21:29:29,550 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:29:29" (1/1) ... [2023-11-23 21:29:29,651 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:29:29" (1/1) ... [2023-11-23 21:29:29,663 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:29:29" (1/1) ... [2023-11-23 21:29:29,685 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:29:29" (1/1) ... [2023-11-23 21:29:29,701 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:29:29" (1/1) ... [2023-11-23 21:29:29,739 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-23 21:29:29,743 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-23 21:29:29,744 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-23 21:29:29,744 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-23 21:29:29,745 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:29:29" (1/1) ... [2023-11-23 21:29:29,750 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-23 21:29:29,761 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4dd348d2-b1c4-4b58-989c-61afe7f70268/bin/utaipan-verify-mE87zJ7Ire/z3 [2023-11-23 21:29:29,776 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4dd348d2-b1c4-4b58-989c-61afe7f70268/bin/utaipan-verify-mE87zJ7Ire/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2023-11-23 21:29:29,806 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4dd348d2-b1c4-4b58-989c-61afe7f70268/bin/utaipan-verify-mE87zJ7Ire/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2023-11-23 21:29:29,816 INFO L130 BoogieDeclarations]: Found specification of procedure __xchg_wrong_size [2023-11-23 21:29:29,817 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2023-11-23 21:29:29,817 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2023-11-23 21:29:29,817 INFO L130 BoogieDeclarations]: Found specification of procedure usb_autopm_get_interface [2023-11-23 21:29:29,817 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_autopm_get_interface [2023-11-23 21:29:29,817 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_return_value [2023-11-23 21:29:29,817 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_return_value [2023-11-23 21:29:29,818 INFO L130 BoogieDeclarations]: Found specification of procedure set_frequency___0 [2023-11-23 21:29:29,818 INFO L138 BoogieDeclarations]: Found implementation of procedure set_frequency___0 [2023-11-23 21:29:29,818 INFO L130 BoogieDeclarations]: Found specification of procedure set_tuner_mode [2023-11-23 21:29:29,818 INFO L138 BoogieDeclarations]: Found implementation of procedure set_tuner_mode [2023-11-23 21:29:29,818 INFO L130 BoogieDeclarations]: Found specification of procedure poseidon_fm_close [2023-11-23 21:29:29,818 INFO L138 BoogieDeclarations]: Found implementation of procedure poseidon_fm_close [2023-11-23 21:29:29,818 INFO L130 BoogieDeclarations]: Found specification of procedure strlcpy [2023-11-23 21:29:29,819 INFO L138 BoogieDeclarations]: Found implementation of procedure strlcpy [2023-11-23 21:29:29,819 INFO L130 BoogieDeclarations]: Found specification of procedure video_devdata [2023-11-23 21:29:29,819 INFO L138 BoogieDeclarations]: Found implementation of procedure video_devdata [2023-11-23 21:29:29,820 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-11-23 21:29:29,820 INFO L130 BoogieDeclarations]: Found specification of procedure poseidon_check_mode_radio [2023-11-23 21:29:29,821 INFO L138 BoogieDeclarations]: Found implementation of procedure poseidon_check_mode_radio [2023-11-23 21:29:29,821 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_successful_malloc [2023-11-23 21:29:29,821 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_successful_malloc [2023-11-23 21:29:29,821 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int [2023-11-23 21:29:29,822 INFO L130 BoogieDeclarations]: Found specification of procedure dev_get_drvdata [2023-11-23 21:29:29,822 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_get_drvdata [2023-11-23 21:29:29,822 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2023-11-23 21:29:29,822 INFO L130 BoogieDeclarations]: Found specification of procedure kref_get [2023-11-23 21:29:29,822 INFO L138 BoogieDeclarations]: Found implementation of procedure kref_get [2023-11-23 21:29:29,822 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_initialize [2023-11-23 21:29:29,823 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_initialize [2023-11-23 21:29:29,823 INFO L130 BoogieDeclarations]: Found specification of procedure usb_autopm_put_interface [2023-11-23 21:29:29,823 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_autopm_put_interface [2023-11-23 21:29:29,823 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2023-11-23 21:29:29,823 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy [2023-11-23 21:29:29,824 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy [2023-11-23 21:29:29,824 INFO L130 BoogieDeclarations]: Found specification of procedure kref_put [2023-11-23 21:29:29,824 INFO L138 BoogieDeclarations]: Found implementation of procedure kref_put [2023-11-23 21:29:29,824 INFO L130 BoogieDeclarations]: Found specification of procedure video_get_drvdata [2023-11-23 21:29:29,824 INFO L138 BoogieDeclarations]: Found implementation of procedure video_get_drvdata [2023-11-23 21:29:29,824 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2023-11-23 21:29:29,825 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-23 21:29:29,825 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_lock_of_poseidon [2023-11-23 21:29:29,825 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_lock_of_poseidon [2023-11-23 21:29:29,826 INFO L130 BoogieDeclarations]: Found specification of procedure __const_udelay [2023-11-23 21:29:29,826 INFO L138 BoogieDeclarations]: Found implementation of procedure __const_udelay [2023-11-23 21:29:29,826 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2023-11-23 21:29:29,826 INFO L130 BoogieDeclarations]: Found specification of procedure __bad_percpu_size [2023-11-23 21:29:29,826 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_lock_of_poseidon [2023-11-23 21:29:29,827 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_lock_of_poseidon [2023-11-23 21:29:29,827 INFO L130 BoogieDeclarations]: Found specification of procedure usb_control_msg [2023-11-23 21:29:29,827 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_control_msg [2023-11-23 21:29:29,828 INFO L130 BoogieDeclarations]: Found specification of procedure send_set_req [2023-11-23 21:29:29,828 INFO L138 BoogieDeclarations]: Found implementation of procedure send_set_req [2023-11-23 21:29:29,828 INFO L130 BoogieDeclarations]: Found specification of procedure schedule_timeout [2023-11-23 21:29:29,828 INFO L138 BoogieDeclarations]: Found implementation of procedure schedule_timeout [2023-11-23 21:29:29,828 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-23 21:29:29,829 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-23 21:29:29,829 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_strcpy [2023-11-23 21:29:29,829 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_strcpy [2023-11-23 21:29:29,829 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2023-11-23 21:29:29,829 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2023-11-23 21:29:29,829 INFO L130 BoogieDeclarations]: Found specification of procedure usb_set_interface [2023-11-23 21:29:29,830 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_set_interface [2023-11-23 21:29:29,830 INFO L130 BoogieDeclarations]: Found specification of procedure get_current [2023-11-23 21:29:29,830 INFO L138 BoogieDeclarations]: Found implementation of procedure get_current [2023-11-23 21:29:29,830 INFO L130 BoogieDeclarations]: Found specification of procedure usb_make_path [2023-11-23 21:29:29,831 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_make_path [2023-11-23 21:29:29,831 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_unlock [2023-11-23 21:29:29,831 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_unlock [2023-11-23 21:29:29,831 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_error [2023-11-23 21:29:29,831 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_error [2023-11-23 21:29:29,832 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2023-11-23 21:29:29,832 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2023-11-23 21:29:29,832 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_lock [2023-11-23 21:29:29,832 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_lock [2023-11-23 21:29:29,833 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-11-23 21:29:29,833 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2023-11-23 21:29:29,833 INFO L130 BoogieDeclarations]: Found specification of procedure poseidon_fm_open [2023-11-23 21:29:29,833 INFO L138 BoogieDeclarations]: Found implementation of procedure poseidon_fm_open [2023-11-23 21:29:29,833 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2023-11-23 21:29:29,834 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_handler_precall [2023-11-23 21:29:29,834 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_handler_precall [2023-11-23 21:29:29,834 INFO L130 BoogieDeclarations]: Found specification of procedure send_get_req [2023-11-23 21:29:29,834 INFO L138 BoogieDeclarations]: Found implementation of procedure send_get_req [2023-11-23 21:29:29,834 INFO L130 BoogieDeclarations]: Found specification of procedure __create_pipe [2023-11-23 21:29:29,834 INFO L138 BoogieDeclarations]: Found implementation of procedure __create_pipe [2023-11-23 21:29:29,834 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-11-23 21:29:29,835 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-23 21:29:29,835 INFO L130 BoogieDeclarations]: Found specification of procedure set_debug_mode [2023-11-23 21:29:29,836 INFO L138 BoogieDeclarations]: Found implementation of procedure set_debug_mode [2023-11-23 21:29:29,836 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_final_state [2023-11-23 21:29:29,836 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_final_state [2023-11-23 21:29:30,453 INFO L241 CfgBuilder]: Building ICFG [2023-11-23 21:29:30,456 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-23 21:29:45,166 INFO L282 CfgBuilder]: Performing block encoding [2023-11-23 21:29:46,146 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-23 21:29:46,147 INFO L309 CfgBuilder]: Removed 1 assume(true) statements. [2023-11-23 21:29:46,150 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 09:29:46 BoogieIcfgContainer [2023-11-23 21:29:46,151 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-23 21:29:46,155 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-11-23 21:29:46,155 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-11-23 21:29:46,159 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-11-23 21:29:46,159 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 23.11 09:29:23" (1/3) ... [2023-11-23 21:29:46,161 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1958ec49 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.11 09:29:46, skipping insertion in model container [2023-11-23 21:29:46,162 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:29:29" (2/3) ... [2023-11-23 21:29:46,167 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1958ec49 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.11 09:29:46, skipping insertion in model container [2023-11-23 21:29:46,168 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 09:29:46" (3/3) ... [2023-11-23 21:29:46,170 INFO L112 eAbstractionObserver]: Analyzing ICFG main3_drivers-media-video-tlg2300-poseidon-ko--32_7a--4a349aa.i [2023-11-23 21:29:46,196 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-11-23 21:29:46,197 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2023-11-23 21:29:46,362 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-11-23 21:29:46,371 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=FINITE_AUTOMATA, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopHeads, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mPorIndependenceSettings=[Lde.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings;@34c92f23, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-11-23 21:29:46,386 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2023-11-23 21:29:46,395 INFO L276 IsEmpty]: Start isEmpty. Operand has 396 states, 238 states have (on average 1.3235294117647058) internal successors, (315), 249 states have internal predecessors, (315), 119 states have call successors, (119), 37 states have call predecessors, (119), 37 states have return successors, (119), 119 states have call predecessors, (119), 119 states have call successors, (119) [2023-11-23 21:29:46,422 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 107 [2023-11-23 21:29:46,423 INFO L187 NwaCegarLoop]: Found error trace [2023-11-23 21:29:46,424 INFO L195 NwaCegarLoop]: trace histogram [12, 12, 12, 12, 12, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-23 21:29:46,424 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-23 21:29:46,431 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-23 21:29:46,432 INFO L85 PathProgramCache]: Analyzing trace with hash -105559513, now seen corresponding path program 1 times [2023-11-23 21:29:46,450 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-11-23 21:29:46,451 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [917450338] [2023-11-23 21:29:46,451 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-23 21:29:46,452 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 21:29:51,267 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 21:29:52,143 INFO L134 CoverageAnalysis]: Checked inductivity of 396 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 396 trivial. 0 not checked. [2023-11-23 21:29:52,144 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-11-23 21:29:52,144 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [917450338] [2023-11-23 21:29:52,145 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [917450338] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-23 21:29:52,145 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-23 21:29:52,145 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-11-23 21:29:52,147 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [371912625] [2023-11-23 21:29:52,148 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-23 21:29:52,153 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-23 21:29:52,154 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-11-23 21:29:52,186 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-23 21:29:52,187 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-23 21:29:52,191 INFO L87 Difference]: Start difference. First operand has 396 states, 238 states have (on average 1.3235294117647058) internal successors, (315), 249 states have internal predecessors, (315), 119 states have call successors, (119), 37 states have call predecessors, (119), 37 states have return successors, (119), 119 states have call predecessors, (119), 119 states have call successors, (119) Second operand has 3 states, 3 states have (on average 7.0) internal successors, (21), 3 states have internal predecessors, (21), 3 states have call successors, (16), 3 states have call predecessors, (16), 2 states have return successors, (14), 2 states have call predecessors, (14), 1 states have call successors, (14) [2023-11-23 21:29:54,404 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.19s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-23 21:29:56,415 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-23 21:29:58,846 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-23 21:30:01,166 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-23 21:30:03,349 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.11s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-23 21:30:05,550 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.20s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-23 21:30:07,839 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-23 21:30:09,850 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-23 21:30:10,530 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-23 21:30:10,531 INFO L93 Difference]: Finished difference Result 789 states and 1108 transitions. [2023-11-23 21:30:10,536 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-23 21:30:10,539 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 7.0) internal successors, (21), 3 states have internal predecessors, (21), 3 states have call successors, (16), 3 states have call predecessors, (16), 2 states have return successors, (14), 2 states have call predecessors, (14), 1 states have call successors, (14) Word has length 106 [2023-11-23 21:30:10,544 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-23 21:30:10,576 INFO L225 Difference]: With dead ends: 789 [2023-11-23 21:30:10,576 INFO L226 Difference]: Without dead ends: 421 [2023-11-23 21:30:10,587 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-23 21:30:10,591 INFO L413 NwaCegarLoop]: 468 mSDtfsCounter, 257 mSDsluCounter, 273 mSDsCounter, 0 mSdLazyCounter, 106 mSolverCounterSat, 2 mSolverCounterUnsat, 8 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 17.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 257 SdHoareTripleChecker+Valid, 741 SdHoareTripleChecker+Invalid, 116 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 106 IncrementalHoareTripleChecker+Invalid, 8 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 18.2s IncrementalHoareTripleChecker+Time [2023-11-23 21:30:10,593 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [257 Valid, 741 Invalid, 116 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 106 Invalid, 8 Unknown, 0 Unchecked, 18.2s Time] [2023-11-23 21:30:10,613 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 421 states. [2023-11-23 21:30:10,704 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 421 to 419. [2023-11-23 21:30:10,707 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 419 states, 255 states have (on average 1.3058823529411765) internal successors, (333), 263 states have internal predecessors, (333), 122 states have call successors, (122), 43 states have call predecessors, (122), 41 states have return successors, (116), 116 states have call predecessors, (116), 116 states have call successors, (116) [2023-11-23 21:30:10,723 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 419 states to 419 states and 571 transitions. [2023-11-23 21:30:10,725 INFO L78 Accepts]: Start accepts. Automaton has 419 states and 571 transitions. Word has length 106 [2023-11-23 21:30:10,729 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-23 21:30:10,729 INFO L495 AbstractCegarLoop]: Abstraction has 419 states and 571 transitions. [2023-11-23 21:30:10,730 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 7.0) internal successors, (21), 3 states have internal predecessors, (21), 3 states have call successors, (16), 3 states have call predecessors, (16), 2 states have return successors, (14), 2 states have call predecessors, (14), 1 states have call successors, (14) [2023-11-23 21:30:10,730 INFO L276 IsEmpty]: Start isEmpty. Operand 419 states and 571 transitions. [2023-11-23 21:30:10,734 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 108 [2023-11-23 21:30:10,735 INFO L187 NwaCegarLoop]: Found error trace [2023-11-23 21:30:10,736 INFO L195 NwaCegarLoop]: trace histogram [12, 12, 12, 12, 12, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-23 21:30:10,736 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2023-11-23 21:30:10,737 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-23 21:30:10,737 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-23 21:30:10,738 INFO L85 PathProgramCache]: Analyzing trace with hash 1022025365, now seen corresponding path program 1 times [2023-11-23 21:30:10,738 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-11-23 21:30:10,738 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1647644280] [2023-11-23 21:30:10,739 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-23 21:30:10,739 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms