./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/ldv-commit-tester/main2_drivers-media-video-tlg2300-poseidon-ko--32_7a--4a349aa.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version a0165632 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_c4613dac-d091-44e1-8f60-68f2ff30bc7c/bin/utaipan-verify-YMUCfTKeje/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c4613dac-d091-44e1-8f60-68f2ff30bc7c/bin/utaipan-verify-YMUCfTKeje/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c4613dac-d091-44e1-8f60-68f2ff30bc7c/bin/utaipan-verify-YMUCfTKeje/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c4613dac-d091-44e1-8f60-68f2ff30bc7c/bin/utaipan-verify-YMUCfTKeje/config/TaipanReach.xml -i ../../sv-benchmarks/c/ldv-commit-tester/main2_drivers-media-video-tlg2300-poseidon-ko--32_7a--4a349aa.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c4613dac-d091-44e1-8f60-68f2ff30bc7c/bin/utaipan-verify-YMUCfTKeje/config/svcomp-Reach-64bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c4613dac-d091-44e1-8f60-68f2ff30bc7c/bin/utaipan-verify-YMUCfTKeje --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 e8730907322c2a171d5fb9ee753d6fd1fff3567470be9cb7f93d90d2443f5b6e --- Real Ultimate output --- This is Ultimate 0.2.5-dev-a016563 [2024-11-09 06:45:00,089 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-09 06:45:00,205 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c4613dac-d091-44e1-8f60-68f2ff30bc7c/bin/utaipan-verify-YMUCfTKeje/config/svcomp-Reach-64bit-Taipan_Default.epf [2024-11-09 06:45:00,208 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-09 06:45:00,209 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-09 06:45:00,239 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-09 06:45:00,240 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-09 06:45:00,240 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-09 06:45:00,241 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-09 06:45:00,241 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-09 06:45:00,241 INFO L153 SettingsManager]: * User list type=DISABLED [2024-11-09 06:45:00,242 INFO L151 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2024-11-09 06:45:00,242 INFO L153 SettingsManager]: * Explicit value domain=true [2024-11-09 06:45:00,243 INFO L153 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2024-11-09 06:45:00,243 INFO L153 SettingsManager]: * Octagon Domain=false [2024-11-09 06:45:00,243 INFO L153 SettingsManager]: * Abstract domain=CompoundDomain [2024-11-09 06:45:00,244 INFO L153 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2024-11-09 06:45:00,244 INFO L153 SettingsManager]: * Use the RCFG-of-the-future interface=true [2024-11-09 06:45:00,245 INFO L153 SettingsManager]: * Interval Domain=false [2024-11-09 06:45:00,245 INFO L151 SettingsManager]: Preferences of Sifa differ from their defaults: [2024-11-09 06:45:00,246 INFO L153 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2024-11-09 06:45:00,246 INFO L153 SettingsManager]: * Simplification Technique=POLY_PAC [2024-11-09 06:45:00,247 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-09 06:45:00,247 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-09 06:45:00,248 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-09 06:45:00,248 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-09 06:45:00,248 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-09 06:45:00,249 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-09 06:45:00,249 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-09 06:45:00,250 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-09 06:45:00,250 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-09 06:45:00,250 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-09 06:45:00,251 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-09 06:45:00,251 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-09 06:45:00,251 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-09 06:45:00,252 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-11-09 06:45:00,252 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-09 06:45:00,253 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-09 06:45:00,253 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-09 06:45:00,253 INFO L153 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2024-11-09 06:45:00,254 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-09 06:45:00,254 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-09 06:45:00,255 INFO L153 SettingsManager]: * Trace refinement exception blacklist=NONE [2024-11-09 06:45:00,255 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-09 06:45:00,255 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_c4613dac-d091-44e1-8f60-68f2ff30bc7c/bin/utaipan-verify-YMUCfTKeje/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c4613dac-d091-44e1-8f60-68f2ff30bc7c/bin/utaipan-verify-YMUCfTKeje Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> e8730907322c2a171d5fb9ee753d6fd1fff3567470be9cb7f93d90d2443f5b6e [2024-11-09 06:45:00,557 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-09 06:45:00,616 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-09 06:45:00,619 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-09 06:45:00,621 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-09 06:45:00,622 INFO L274 PluginConnector]: CDTParser initialized [2024-11-09 06:45:00,624 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c4613dac-d091-44e1-8f60-68f2ff30bc7c/bin/utaipan-verify-YMUCfTKeje/../../sv-benchmarks/c/ldv-commit-tester/main2_drivers-media-video-tlg2300-poseidon-ko--32_7a--4a349aa.i Unable to find full path for "g++" [2024-11-09 06:45:02,599 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-09 06:45:03,240 INFO L384 CDTParser]: Found 1 translation units. [2024-11-09 06:45:03,242 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c4613dac-d091-44e1-8f60-68f2ff30bc7c/sv-benchmarks/c/ldv-commit-tester/main2_drivers-media-video-tlg2300-poseidon-ko--32_7a--4a349aa.i [2024-11-09 06:45:03,297 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c4613dac-d091-44e1-8f60-68f2ff30bc7c/bin/utaipan-verify-YMUCfTKeje/data/173590969/07f6c9e3cd614d548f22286832879623/FLAG41658ef32 [2024-11-09 06:45:03,392 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c4613dac-d091-44e1-8f60-68f2ff30bc7c/bin/utaipan-verify-YMUCfTKeje/data/173590969/07f6c9e3cd614d548f22286832879623 [2024-11-09 06:45:03,395 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-09 06:45:03,400 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-09 06:45:03,402 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-09 06:45:03,403 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-09 06:45:03,417 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-09 06:45:03,417 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.11 06:45:03" (1/1) ... [2024-11-09 06:45:03,420 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@660b8057 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 06:45:03, skipping insertion in model container [2024-11-09 06:45:03,420 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.11 06:45:03" (1/1) ... [2024-11-09 06:45:03,575 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-09 06:45:06,775 WARN L250 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_c4613dac-d091-44e1-8f60-68f2ff30bc7c/sv-benchmarks/c/ldv-commit-tester/main2_drivers-media-video-tlg2300-poseidon-ko--32_7a--4a349aa.i[340889,340902] [2024-11-09 06:45:06,924 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-09 06:45:07,036 INFO L200 MainTranslator]: Completed pre-run [2024-11-09 06:45:07,191 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("movb %%gs:%P1,%0": "=q" (pfo_ret__): "p" (& current_task)); [5252] [2024-11-09 06:45:07,193 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("movw %%gs:%P1,%0": "=r" (pfo_ret__): "p" (& current_task)); [5255] [2024-11-09 06:45:07,194 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("movl %%gs:%P1,%0": "=r" (pfo_ret__): "p" (& current_task)); [5258] [2024-11-09 06:45:07,194 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("movq %%gs:%P1,%0": "=r" (pfo_ret__): "p" (& current_task)); [5261] [2024-11-09 06:45:07,389 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("xchgb %0,%1": "=q" (__x), "+m" (*__ptr): "0" (__x): "memory"); [6742] [2024-11-09 06:45:07,390 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("xchgw %0,%1": "=r" (__x), "+m" (*__ptr___0): "0" (__x): "memory"); [6747] [2024-11-09 06:45:07,390 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("xchgl %0,%1": "=r" (__x), "+m" (*__ptr___1): "0" (__x): "memory"); [6752] [2024-11-09 06:45:07,391 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("xchgq %0,%1": "=r" (__x), "+m" (*__ptr___2): "0" (__x): "memory"); [6757] [2024-11-09 06:45:07,401 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("xchgb %0,%1": "=q" (__x), "+m" (*__ptr): "0" (__x): "memory"); [6832] [2024-11-09 06:45:07,402 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("xchgw %0,%1": "=r" (__x), "+m" (*__ptr___0): "0" (__x): "memory"); [6837] [2024-11-09 06:45:07,402 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("xchgl %0,%1": "=r" (__x), "+m" (*__ptr___1): "0" (__x): "memory"); [6842] [2024-11-09 06:45:07,403 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("xchgq %0,%1": "=r" (__x), "+m" (*__ptr___2): "0" (__x): "memory"); [6847] [2024-11-09 06:45:07,472 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("xchgb %0,%1": "=q" (__x), "+m" (*__ptr): "0" (__x): "memory"); [7235] [2024-11-09 06:45:07,473 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("xchgw %0,%1": "=r" (__x), "+m" (*__ptr___0): "0" (__x): "memory"); [7240] [2024-11-09 06:45:07,473 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("xchgl %0,%1": "=r" (__x), "+m" (*__ptr___1): "0" (__x): "memory"); [7245] [2024-11-09 06:45:07,474 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("xchgq %0,%1": "=r" (__x), "+m" (*__ptr___2): "0" (__x): "memory"); [7250] [2024-11-09 06:45:07,657 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)); [8770] [2024-11-09 06:45:07,658 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"); [8778-8779] [2024-11-09 06:45:07,658 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"); [8788-8789] [2024-11-09 06:45:07,660 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("xchgb %0,%1": "=q" (__x), "+m" (*__ptr): "0" (__x): "memory"); [8857] [2024-11-09 06:45:07,661 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("xchgw %0,%1": "=r" (__x), "+m" (*__ptr___0): "0" (__x): "memory"); [8862] [2024-11-09 06:45:07,661 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("xchgl %0,%1": "=r" (__x), "+m" (*__ptr___1): "0" (__x): "memory"); [8867] [2024-11-09 06:45:07,661 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("xchgq %0,%1": "=r" (__x), "+m" (*__ptr___2): "0" (__x): "memory"); [8872] [2024-11-09 06:45:07,707 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("xchgb %0,%1": "=q" (__x), "+m" (*__ptr): "0" (__x): "memory"); [9573] [2024-11-09 06:45:07,707 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("xchgw %0,%1": "=r" (__x), "+m" (*__ptr___0): "0" (__x): "memory"); [9578] [2024-11-09 06:45:07,708 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("xchgl %0,%1": "=r" (__x), "+m" (*__ptr___1): "0" (__x): "memory"); [9583] [2024-11-09 06:45:07,708 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("xchgq %0,%1": "=r" (__x), "+m" (*__ptr___2): "0" (__x): "memory"); [9588] [2024-11-09 06:45:07,714 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("xchgb %0,%1": "=q" (__x), "+m" (*__ptr): "0" (__x): "memory"); [9936] [2024-11-09 06:45:07,714 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("xchgw %0,%1": "=r" (__x), "+m" (*__ptr___0): "0" (__x): "memory"); [9941] [2024-11-09 06:45:07,715 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("xchgl %0,%1": "=r" (__x), "+m" (*__ptr___1): "0" (__x): "memory"); [9946] [2024-11-09 06:45:07,715 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("xchgq %0,%1": "=r" (__x), "+m" (*__ptr___2): "0" (__x): "memory"); [9951] [2024-11-09 06:45:07,722 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("xchgb %0,%1": "=q" (__x), "+m" (*__ptr): "0" (__x): "memory"); [10145] [2024-11-09 06:45:07,723 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("xchgw %0,%1": "=r" (__x), "+m" (*__ptr___0): "0" (__x): "memory"); [10150] [2024-11-09 06:45:07,723 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("xchgl %0,%1": "=r" (__x), "+m" (*__ptr___1): "0" (__x): "memory"); [10155] [2024-11-09 06:45:07,724 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("xchgq %0,%1": "=r" (__x), "+m" (*__ptr___2): "0" (__x): "memory"); [10160] [2024-11-09 06:45:07,726 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("xchgb %0,%1": "=q" (__x), "+m" (*__ptr): "0" (__x): "memory"); [10239] [2024-11-09 06:45:07,727 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("xchgw %0,%1": "=r" (__x), "+m" (*__ptr___0): "0" (__x): "memory"); [10244] [2024-11-09 06:45:07,727 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("xchgl %0,%1": "=r" (__x), "+m" (*__ptr___1): "0" (__x): "memory"); [10249] [2024-11-09 06:45:07,728 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("xchgq %0,%1": "=r" (__x), "+m" (*__ptr___2): "0" (__x): "memory"); [10254] [2024-11-09 06:45:07,776 WARN L75 lationResultReporter]: Unsoundness Warning: ignored call to __builtin_prefetch C: __builtin_prefetch((void const *)pd->device_list.next) [11346] [2024-11-09 06:45:07,805 WARN L250 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_c4613dac-d091-44e1-8f60-68f2ff30bc7c/sv-benchmarks/c/ldv-commit-tester/main2_drivers-media-video-tlg2300-poseidon-ko--32_7a--4a349aa.i[340889,340902] [2024-11-09 06:45:07,821 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-09 06:45:08,086 INFO L204 MainTranslator]: Completed translation [2024-11-09 06:45:08,088 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 06:45:08 WrapperNode [2024-11-09 06:45:08,089 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-09 06:45:08,090 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-09 06:45:08,090 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-09 06:45:08,090 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-09 06:45:08,098 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 06:45:08" (1/1) ... [2024-11-09 06:45:08,236 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 06:45:08" (1/1) ... [2024-11-09 06:45:08,372 INFO L138 Inliner]: procedures = 460, calls = 4631, calls flagged for inlining = 237, calls inlined = 32, statements flattened = 2538 [2024-11-09 06:45:08,373 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-09 06:45:08,374 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-09 06:45:08,374 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-09 06:45:08,374 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-09 06:45:08,384 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 06:45:08" (1/1) ... [2024-11-09 06:45:08,384 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 06:45:08" (1/1) ... [2024-11-09 06:45:08,424 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 06:45:08" (1/1) ... [2024-11-09 06:45:08,428 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 06:45:08" (1/1) ... [2024-11-09 06:45:08,513 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 06:45:08" (1/1) ... [2024-11-09 06:45:08,521 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 06:45:08" (1/1) ... [2024-11-09 06:45:08,537 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 06:45:08" (1/1) ... [2024-11-09 06:45:08,548 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 06:45:08" (1/1) ... [2024-11-09 06:45:08,566 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-09 06:45:08,567 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-09 06:45:08,567 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-09 06:45:08,567 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-09 06:45:08,568 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 06:45:08" (1/1) ... [2024-11-09 06:45:08,578 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-11-09 06:45:08,592 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c4613dac-d091-44e1-8f60-68f2ff30bc7c/bin/utaipan-verify-YMUCfTKeje/z3 [2024-11-09 06:45:08,613 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c4613dac-d091-44e1-8f60-68f2ff30bc7c/bin/utaipan-verify-YMUCfTKeje/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2024-11-09 06:45:08,619 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c4613dac-d091-44e1-8f60-68f2ff30bc7c/bin/utaipan-verify-YMUCfTKeje/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2024-11-09 06:45:08,647 INFO L130 BoogieDeclarations]: Found specification of procedure __xchg_wrong_size [2024-11-09 06:45:08,647 INFO L138 BoogieDeclarations]: Found implementation of procedure __xchg_wrong_size [2024-11-09 06:45:08,647 INFO L130 BoogieDeclarations]: Found specification of procedure usb_autopm_get_interface [2024-11-09 06:45:08,647 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_autopm_get_interface [2024-11-09 06:45:08,648 INFO L130 BoogieDeclarations]: Found specification of procedure dvb_stop_streaming [2024-11-09 06:45:08,648 INFO L138 BoogieDeclarations]: Found implementation of procedure dvb_stop_streaming [2024-11-09 06:45:08,648 INFO L130 BoogieDeclarations]: Found specification of procedure poseidon_check_mode_dvbt [2024-11-09 06:45:08,648 INFO L138 BoogieDeclarations]: Found implementation of procedure poseidon_check_mode_dvbt [2024-11-09 06:45:08,648 INFO L130 BoogieDeclarations]: Found specification of procedure set_tuner_mode [2024-11-09 06:45:08,648 INFO L138 BoogieDeclarations]: Found implementation of procedure set_tuner_mode [2024-11-09 06:45:08,648 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_dec_and_test [2024-11-09 06:45:08,648 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_dec_and_test [2024-11-09 06:45:08,648 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-11-09 06:45:08,648 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int [2024-11-09 06:45:08,648 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2024-11-09 06:45:08,649 INFO L130 BoogieDeclarations]: Found specification of procedure kref_get [2024-11-09 06:45:08,649 INFO L138 BoogieDeclarations]: Found implementation of procedure kref_get [2024-11-09 06:45:08,649 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_initialize [2024-11-09 06:45:08,649 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_initialize [2024-11-09 06:45:08,649 INFO L130 BoogieDeclarations]: Found specification of procedure usb_autopm_put_interface [2024-11-09 06:45:08,650 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_autopm_put_interface [2024-11-09 06:45:08,650 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2024-11-09 06:45:08,650 INFO L130 BoogieDeclarations]: Found specification of procedure usb_kill_urb [2024-11-09 06:45:08,650 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_kill_urb [2024-11-09 06:45:08,650 INFO L130 BoogieDeclarations]: Found specification of procedure kref_put [2024-11-09 06:45:08,651 INFO L138 BoogieDeclarations]: Found implementation of procedure kref_put [2024-11-09 06:45:08,651 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-09 06:45:08,651 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_lock_of_poseidon [2024-11-09 06:45:08,651 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_lock_of_poseidon [2024-11-09 06:45:08,651 INFO L130 BoogieDeclarations]: Found specification of procedure __const_udelay [2024-11-09 06:45:08,651 INFO L138 BoogieDeclarations]: Found implementation of procedure __const_udelay [2024-11-09 06:45:08,651 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2024-11-09 06:45:08,652 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_lock_of_poseidon [2024-11-09 06:45:08,652 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_lock_of_poseidon [2024-11-09 06:45:08,652 INFO L130 BoogieDeclarations]: Found specification of procedure usb_control_msg [2024-11-09 06:45:08,652 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_control_msg [2024-11-09 06:45:08,652 INFO L130 BoogieDeclarations]: Found specification of procedure send_set_req [2024-11-09 06:45:08,652 INFO L138 BoogieDeclarations]: Found implementation of procedure send_set_req [2024-11-09 06:45:08,652 INFO L130 BoogieDeclarations]: Found specification of procedure schedule_timeout [2024-11-09 06:45:08,652 INFO L138 BoogieDeclarations]: Found implementation of procedure schedule_timeout [2024-11-09 06:45:08,652 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-09 06:45:08,652 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-09 06:45:08,653 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2024-11-09 06:45:08,653 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2024-11-09 06:45:08,653 INFO L130 BoogieDeclarations]: Found specification of procedure usb_set_interface [2024-11-09 06:45:08,653 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_set_interface [2024-11-09 06:45:08,654 INFO L130 BoogieDeclarations]: Found specification of procedure get_current [2024-11-09 06:45:08,654 INFO L138 BoogieDeclarations]: Found implementation of procedure get_current [2024-11-09 06:45:08,654 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_unlock [2024-11-09 06:45:08,655 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_unlock [2024-11-09 06:45:08,655 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_error [2024-11-09 06:45:08,655 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_error [2024-11-09 06:45:08,655 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_lock [2024-11-09 06:45:08,655 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_lock [2024-11-09 06:45:08,655 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2024-11-09 06:45:08,655 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2024-11-09 06:45:08,655 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2024-11-09 06:45:08,655 INFO L130 BoogieDeclarations]: Found specification of procedure printk [2024-11-09 06:45:08,656 INFO L138 BoogieDeclarations]: Found implementation of procedure printk [2024-11-09 06:45:08,656 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memmove [2024-11-09 06:45:08,656 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memmove [2024-11-09 06:45:08,656 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_handler_precall [2024-11-09 06:45:08,657 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_handler_precall [2024-11-09 06:45:08,657 INFO L130 BoogieDeclarations]: Found specification of procedure jiffies_to_msecs [2024-11-09 06:45:08,657 INFO L138 BoogieDeclarations]: Found implementation of procedure jiffies_to_msecs [2024-11-09 06:45:08,657 INFO L130 BoogieDeclarations]: Found specification of procedure send_get_req [2024-11-09 06:45:08,657 INFO L138 BoogieDeclarations]: Found implementation of procedure send_get_req [2024-11-09 06:45:08,657 INFO L130 BoogieDeclarations]: Found specification of procedure __create_pipe [2024-11-09 06:45:08,658 INFO L138 BoogieDeclarations]: Found implementation of procedure __create_pipe [2024-11-09 06:45:08,658 INFO L130 BoogieDeclarations]: Found specification of procedure poseidon_set_fe [2024-11-09 06:45:08,658 INFO L138 BoogieDeclarations]: Found implementation of procedure poseidon_set_fe [2024-11-09 06:45:08,658 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2024-11-09 06:45:08,658 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-11-09 06:45:08,658 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_final_state [2024-11-09 06:45:08,659 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_final_state [2024-11-09 06:45:09,305 INFO L238 CfgBuilder]: Building ICFG [2024-11-09 06:45:09,308 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-09 06:46:04,143 INFO L? ?]: Removed 472 outVars from TransFormulas that were not future-live. [2024-11-09 06:46:04,143 INFO L287 CfgBuilder]: Performing block encoding [2024-11-09 06:46:05,725 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-09 06:46:05,725 INFO L316 CfgBuilder]: Removed 0 assume(true) statements. [2024-11-09 06:46:05,726 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.11 06:46:05 BoogieIcfgContainer [2024-11-09 06:46:05,726 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-09 06:46:05,729 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-09 06:46:05,729 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-09 06:46:05,733 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-09 06:46:05,734 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 09.11 06:45:03" (1/3) ... [2024-11-09 06:46:05,735 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@45409456 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 09.11 06:46:05, skipping insertion in model container [2024-11-09 06:46:05,735 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 06:45:08" (2/3) ... [2024-11-09 06:46:05,735 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@45409456 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 09.11 06:46:05, skipping insertion in model container [2024-11-09 06:46:05,735 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.11 06:46:05" (3/3) ... [2024-11-09 06:46:05,737 INFO L112 eAbstractionObserver]: Analyzing ICFG main2_drivers-media-video-tlg2300-poseidon-ko--32_7a--4a349aa.i [2024-11-09 06:46:05,760 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-09 06:46:05,760 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2024-11-09 06:46:05,870 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-09 06:46:05,877 INFO L333 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mAutomataTypeConcurrency=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;@b852ab6, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-09 06:46:05,877 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-11-09 06:46:05,885 INFO L276 IsEmpty]: Start isEmpty. Operand has 325 states, 194 states have (on average 1.3453608247422681) internal successors, (261), 207 states have internal predecessors, (261), 99 states have call successors, (99), 30 states have call predecessors, (99), 30 states have return successors, (99), 99 states have call predecessors, (99), 99 states have call successors, (99) [2024-11-09 06:46:05,893 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2024-11-09 06:46:05,893 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 06:46:05,894 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-09 06:46:05,895 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-09 06:46:05,900 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 06:46:05,900 INFO L85 PathProgramCache]: Analyzing trace with hash -1199927179, now seen corresponding path program 1 times [2024-11-09 06:46:05,912 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2024-11-09 06:46:05,913 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [621184836] [2024-11-09 06:46:05,913 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 06:46:05,914 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 06:49:08,572 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 06:49:11,020 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-09 06:49:11,021 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2024-11-09 06:49:11,021 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [621184836] [2024-11-09 06:49:11,022 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [621184836] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 06:49:11,022 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-09 06:49:11,024 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-09 06:49:11,026 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [831620537] [2024-11-09 06:49:11,027 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 06:49:11,034 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-09 06:49:11,034 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2024-11-09 06:49:11,068 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-09 06:49:11,069 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-09 06:49:11,073 INFO L87 Difference]: Start difference. First operand has 325 states, 194 states have (on average 1.3453608247422681) internal successors, (261), 207 states have internal predecessors, (261), 99 states have call successors, (99), 30 states have call predecessors, (99), 30 states have return successors, (99), 99 states have call predecessors, (99), 99 states have call successors, (99) Second operand has 3 states, 3 states have (on average 2.0) internal successors, (6), 3 states have internal predecessors, (6), 3 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2024-11-09 06:49:13,784 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.68s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-09 06:49:17,396 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 3.60s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-09 06:49:20,432 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.04s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-09 06:49:22,649 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.21s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-09 06:49:25,600 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-09 06:49:27,620 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-09 06:49:28,384 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 06:49:28,385 INFO L93 Difference]: Finished difference Result 651 states and 935 transitions. [2024-11-09 06:49:28,386 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-09 06:49:28,388 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 2.0) internal successors, (6), 3 states have internal predecessors, (6), 3 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 10 [2024-11-09 06:49:28,388 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 06:49:28,402 INFO L225 Difference]: With dead ends: 651 [2024-11-09 06:49:28,402 INFO L226 Difference]: Without dead ends: 326 [2024-11-09 06:49:28,408 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-09 06:49:28,411 INFO L432 NwaCegarLoop]: 385 mSDtfsCounter, 167 mSDsluCounter, 237 mSDsCounter, 0 mSdLazyCounter, 101 mSolverCounterSat, 2 mSolverCounterUnsat, 6 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 15.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 167 SdHoareTripleChecker+Valid, 622 SdHoareTripleChecker+Invalid, 109 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 101 IncrementalHoareTripleChecker+Invalid, 6 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 17.2s IncrementalHoareTripleChecker+Time [2024-11-09 06:49:28,413 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [167 Valid, 622 Invalid, 109 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 101 Invalid, 6 Unknown, 0 Unchecked, 17.2s Time] [2024-11-09 06:49:28,433 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 326 states. [2024-11-09 06:49:28,479 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 326 to 324. [2024-11-09 06:49:28,481 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 324 states, 196 states have (on average 1.3316326530612246) internal successors, (261), 205 states have internal predecessors, (261), 97 states have call successors, (97), 32 states have call predecessors, (97), 30 states have return successors, (91), 91 states have call predecessors, (91), 91 states have call successors, (91) [2024-11-09 06:49:28,484 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 324 states to 324 states and 449 transitions. [2024-11-09 06:49:28,487 INFO L78 Accepts]: Start accepts. Automaton has 324 states and 449 transitions. Word has length 10 [2024-11-09 06:49:28,487 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 06:49:28,488 INFO L471 AbstractCegarLoop]: Abstraction has 324 states and 449 transitions. [2024-11-09 06:49:28,488 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 2.0) internal successors, (6), 3 states have internal predecessors, (6), 3 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2024-11-09 06:49:28,488 INFO L276 IsEmpty]: Start isEmpty. Operand 324 states and 449 transitions. [2024-11-09 06:49:28,489 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2024-11-09 06:49:28,490 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 06:49:28,490 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-09 06:49:28,490 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-11-09 06:49:28,490 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-09 06:49:28,491 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 06:49:28,491 INFO L85 PathProgramCache]: Analyzing trace with hash 1456335075, now seen corresponding path program 1 times [2024-11-09 06:49:28,491 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2024-11-09 06:49:28,492 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1084987816] [2024-11-09 06:49:28,492 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 06:49:28,492 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 06:52:21,503 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 06:52:23,136 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-09 06:52:23,137 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2024-11-09 06:52:23,137 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1084987816] [2024-11-09 06:52:23,137 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1084987816] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 06:52:23,137 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-09 06:52:23,138 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-09 06:52:23,138 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1048610634] [2024-11-09 06:52:23,138 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 06:52:23,139 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-09 06:52:23,140 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2024-11-09 06:52:23,140 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-09 06:52:23,140 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-09 06:52:23,141 INFO L87 Difference]: Start difference. First operand 324 states and 449 transitions. Second operand has 3 states, 3 states have (on average 2.3333333333333335) internal successors, (7), 3 states have internal predecessors, (7), 3 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2024-11-09 06:52:25,371 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.23s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-09 06:52:29,350 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 3.97s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-09 06:52:32,352 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.03s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-09 06:52:35,000 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-09 06:52:35,431 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 06:52:35,431 INFO L93 Difference]: Finished difference Result 326 states and 450 transitions. [2024-11-09 06:52:35,432 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-09 06:52:35,432 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 2.3333333333333335) internal successors, (7), 3 states have internal predecessors, (7), 3 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 11 [2024-11-09 06:52:35,433 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 06:52:35,437 INFO L225 Difference]: With dead ends: 326 [2024-11-09 06:52:35,437 INFO L226 Difference]: Without dead ends: 323 [2024-11-09 06:52:35,438 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-09 06:52:35,439 INFO L432 NwaCegarLoop]: 381 mSDtfsCounter, 433 mSDsluCounter, 1 mSDsCounter, 0 mSdLazyCounter, 57 mSolverCounterSat, 0 mSolverCounterUnsat, 4 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 10.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 433 SdHoareTripleChecker+Valid, 382 SdHoareTripleChecker+Invalid, 61 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 57 IncrementalHoareTripleChecker+Invalid, 4 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 12.2s IncrementalHoareTripleChecker+Time [2024-11-09 06:52:35,440 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [433 Valid, 382 Invalid, 61 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 57 Invalid, 4 Unknown, 0 Unchecked, 12.2s Time] [2024-11-09 06:52:35,441 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 323 states. [2024-11-09 06:52:35,476 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 323 to 323. [2024-11-09 06:52:35,477 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 323 states, 196 states have (on average 1.3265306122448979) internal successors, (260), 204 states have internal predecessors, (260), 96 states have call successors, (96), 32 states have call predecessors, (96), 30 states have return successors, (91), 91 states have call predecessors, (91), 91 states have call successors, (91) [2024-11-09 06:52:35,481 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 323 states to 323 states and 447 transitions. [2024-11-09 06:52:35,482 INFO L78 Accepts]: Start accepts. Automaton has 323 states and 447 transitions. Word has length 11 [2024-11-09 06:52:35,482 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 06:52:35,482 INFO L471 AbstractCegarLoop]: Abstraction has 323 states and 447 transitions. [2024-11-09 06:52:35,483 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 2.3333333333333335) internal successors, (7), 3 states have internal predecessors, (7), 3 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2024-11-09 06:52:35,483 INFO L276 IsEmpty]: Start isEmpty. Operand 323 states and 447 transitions. [2024-11-09 06:52:35,484 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2024-11-09 06:52:35,484 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 06:52:35,484 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-09 06:52:35,484 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-11-09 06:52:35,485 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-09 06:52:35,485 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 06:52:35,486 INFO L85 PathProgramCache]: Analyzing trace with hash -2098876104, now seen corresponding path program 1 times [2024-11-09 06:52:35,486 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2024-11-09 06:52:35,486 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [44183143] [2024-11-09 06:52:35,486 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 06:52:35,487 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 06:55:21,327 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 06:55:22,806 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-09 06:55:22,806 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2024-11-09 06:55:22,807 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [44183143] [2024-11-09 06:55:22,807 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [44183143] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 06:55:22,807 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-09 06:55:22,807 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-09 06:55:22,808 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2117271164] [2024-11-09 06:55:22,808 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 06:55:22,808 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-09 06:55:22,808 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2024-11-09 06:55:22,809 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-09 06:55:22,810 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-09 06:55:22,810 INFO L87 Difference]: Start difference. First operand 323 states and 447 transitions. Second operand has 3 states, 3 states have (on average 2.6666666666666665) internal successors, (8), 3 states have internal predecessors, (8), 3 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2024-11-09 06:55:25,356 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.54s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-09 06:55:28,916 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 3.56s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-09 06:55:31,793 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.03s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-09 06:55:34,343 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-09 06:55:34,821 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 06:55:34,821 INFO L93 Difference]: Finished difference Result 325 states and 448 transitions. [2024-11-09 06:55:34,822 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-09 06:55:34,822 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 2.6666666666666665) internal successors, (8), 3 states have internal predecessors, (8), 3 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 12 [2024-11-09 06:55:34,822 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 06:55:34,826 INFO L225 Difference]: With dead ends: 325 [2024-11-09 06:55:34,826 INFO L226 Difference]: Without dead ends: 322 [2024-11-09 06:55:34,827 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-09 06:55:34,828 INFO L432 NwaCegarLoop]: 379 mSDtfsCounter, 430 mSDsluCounter, 1 mSDsCounter, 0 mSdLazyCounter, 57 mSolverCounterSat, 0 mSolverCounterUnsat, 4 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 10.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 430 SdHoareTripleChecker+Valid, 380 SdHoareTripleChecker+Invalid, 61 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 57 IncrementalHoareTripleChecker+Invalid, 4 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 12.0s IncrementalHoareTripleChecker+Time [2024-11-09 06:55:34,829 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [430 Valid, 380 Invalid, 61 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 57 Invalid, 4 Unknown, 0 Unchecked, 12.0s Time] [2024-11-09 06:55:34,830 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 322 states. [2024-11-09 06:55:34,863 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 322 to 322. [2024-11-09 06:55:34,865 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 322 states, 196 states have (on average 1.3214285714285714) internal successors, (259), 203 states have internal predecessors, (259), 95 states have call successors, (95), 32 states have call predecessors, (95), 30 states have return successors, (91), 91 states have call predecessors, (91), 91 states have call successors, (91) [2024-11-09 06:55:34,868 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 322 states to 322 states and 445 transitions. [2024-11-09 06:55:34,869 INFO L78 Accepts]: Start accepts. Automaton has 322 states and 445 transitions. Word has length 12 [2024-11-09 06:55:34,869 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 06:55:34,870 INFO L471 AbstractCegarLoop]: Abstraction has 322 states and 445 transitions. [2024-11-09 06:55:34,870 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 2.6666666666666665) internal successors, (8), 3 states have internal predecessors, (8), 3 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2024-11-09 06:55:34,870 INFO L276 IsEmpty]: Start isEmpty. Operand 322 states and 445 transitions. [2024-11-09 06:55:34,871 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2024-11-09 06:55:34,871 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 06:55:34,871 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-09 06:55:34,872 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2024-11-09 06:55:34,872 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-09 06:55:34,873 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 06:55:34,873 INFO L85 PathProgramCache]: Analyzing trace with hash -641268090, now seen corresponding path program 1 times [2024-11-09 06:55:34,873 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2024-11-09 06:55:34,873 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1232696791] [2024-11-09 06:55:34,874 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 06:55:34,874 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 06:59:07,719 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 06:59:09,426 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-09 06:59:09,427 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2024-11-09 06:59:09,427 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1232696791] [2024-11-09 06:59:09,427 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1232696791] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 06:59:09,427 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-09 06:59:09,428 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-09 06:59:09,428 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1424118522] [2024-11-09 06:59:09,428 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 06:59:09,428 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-09 06:59:09,429 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2024-11-09 06:59:09,430 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-09 06:59:09,430 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-09 06:59:09,431 INFO L87 Difference]: Start difference. First operand 322 states and 445 transitions. Second operand has 3 states, 3 states have (on average 3.0) internal successors, (9), 3 states have internal predecessors, (9), 3 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2024-11-09 06:59:12,050 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.61s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-09 06:59:16,480 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.42s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-09 06:59:19,675 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.04s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-09 06:59:22,283 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-09 06:59:22,968 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 06:59:22,969 INFO L93 Difference]: Finished difference Result 324 states and 446 transitions. [2024-11-09 06:59:22,969 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-09 06:59:22,970 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 3.0) internal successors, (9), 3 states have internal predecessors, (9), 3 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 13 [2024-11-09 06:59:22,970 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 06:59:22,980 INFO L225 Difference]: With dead ends: 324 [2024-11-09 06:59:22,980 INFO L226 Difference]: Without dead ends: 321 [2024-11-09 06:59:22,981 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-09 06:59:22,986 INFO L432 NwaCegarLoop]: 377 mSDtfsCounter, 427 mSDsluCounter, 1 mSDsCounter, 0 mSdLazyCounter, 57 mSolverCounterSat, 0 mSolverCounterUnsat, 4 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 11.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 427 SdHoareTripleChecker+Valid, 378 SdHoareTripleChecker+Invalid, 61 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 57 IncrementalHoareTripleChecker+Invalid, 4 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 13.5s IncrementalHoareTripleChecker+Time [2024-11-09 06:59:22,987 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [427 Valid, 378 Invalid, 61 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 57 Invalid, 4 Unknown, 0 Unchecked, 13.5s Time] [2024-11-09 06:59:22,988 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 321 states. [2024-11-09 06:59:23,044 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 321 to 321. [2024-11-09 06:59:23,045 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 321 states, 196 states have (on average 1.316326530612245) internal successors, (258), 202 states have internal predecessors, (258), 94 states have call successors, (94), 32 states have call predecessors, (94), 30 states have return successors, (91), 91 states have call predecessors, (91), 91 states have call successors, (91) [2024-11-09 06:59:23,048 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 321 states to 321 states and 443 transitions. [2024-11-09 06:59:23,049 INFO L78 Accepts]: Start accepts. Automaton has 321 states and 443 transitions. Word has length 13 [2024-11-09 06:59:23,050 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 06:59:23,050 INFO L471 AbstractCegarLoop]: Abstraction has 321 states and 443 transitions. [2024-11-09 06:59:23,050 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 3.0) internal successors, (9), 3 states have internal predecessors, (9), 3 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2024-11-09 06:59:23,051 INFO L276 IsEmpty]: Start isEmpty. Operand 321 states and 443 transitions. [2024-11-09 06:59:23,051 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2024-11-09 06:59:23,052 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 06:59:23,052 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-09 06:59:23,052 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2024-11-09 06:59:23,052 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-09 06:59:23,053 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 06:59:23,053 INFO L85 PathProgramCache]: Analyzing trace with hash 1594912251, now seen corresponding path program 1 times [2024-11-09 06:59:23,053 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2024-11-09 06:59:23,054 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [255271281] [2024-11-09 06:59:23,054 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 06:59:23,054 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms