./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-1.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 30e01a73 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_3ac8e453-46cf-480a-92f4-f387b446ae61/bin/utaipan-verify-mE87zJ7Ire/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3ac8e453-46cf-480a-92f4-f387b446ae61/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_3ac8e453-46cf-480a-92f4-f387b446ae61/bin/utaipan-verify-mE87zJ7Ire/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3ac8e453-46cf-480a-92f4-f387b446ae61/bin/utaipan-verify-mE87zJ7Ire/config/TaipanReach.xml -i ../../sv-benchmarks/c/ldv-commit-tester/main2_drivers-media-video-tlg2300-poseidon-ko--32_7a--4a349aa-1.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3ac8e453-46cf-480a-92f4-f387b446ae61/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_3ac8e453-46cf-480a-92f4-f387b446ae61/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 c2255c939c83cd7eedc3c7f637d06dea23ce3a82d37039af88ba670fb379695f --- Real Ultimate output --- This is Ultimate 0.2.3-dev-30e01a7 [2023-11-23 21:20:11,030 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-23 21:20:11,135 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3ac8e453-46cf-480a-92f4-f387b446ae61/bin/utaipan-verify-mE87zJ7Ire/config/svcomp-Reach-64bit-Taipan_Default.epf [2023-11-23 21:20:11,139 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-23 21:20:11,140 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-11-23 21:20:11,185 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-23 21:20:11,186 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-11-23 21:20:11,186 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-11-23 21:20:11,187 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-23 21:20:11,192 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-11-23 21:20:11,193 INFO L153 SettingsManager]: * User list type=DISABLED [2023-11-23 21:20:11,194 INFO L151 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2023-11-23 21:20:11,194 INFO L153 SettingsManager]: * Explicit value domain=true [2023-11-23 21:20:11,196 INFO L153 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2023-11-23 21:20:11,196 INFO L153 SettingsManager]: * Octagon Domain=false [2023-11-23 21:20:11,197 INFO L153 SettingsManager]: * Abstract domain=CompoundDomain [2023-11-23 21:20:11,197 INFO L153 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2023-11-23 21:20:11,197 INFO L153 SettingsManager]: * Use the RCFG-of-the-future interface=true [2023-11-23 21:20:11,198 INFO L153 SettingsManager]: * Interval Domain=false [2023-11-23 21:20:11,198 INFO L151 SettingsManager]: Preferences of Sifa differ from their defaults: [2023-11-23 21:20:11,199 INFO L153 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2023-11-23 21:20:11,199 INFO L153 SettingsManager]: * Simplification Technique=POLY_PAC [2023-11-23 21:20:11,200 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-23 21:20:11,200 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-23 21:20:11,201 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-23 21:20:11,201 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-23 21:20:11,213 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-23 21:20:11,214 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-23 21:20:11,214 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-23 21:20:11,214 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-23 21:20:11,216 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-23 21:20:11,216 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-23 21:20:11,216 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2023-11-23 21:20:11,216 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-11-23 21:20:11,217 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-23 21:20:11,218 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-23 21:20:11,218 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-23 21:20:11,218 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-23 21:20:11,218 INFO L153 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2023-11-23 21:20:11,219 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-23 21:20:11,219 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2023-11-23 21:20:11,220 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-23 21:20:11,220 INFO L153 SettingsManager]: * Trace refinement exception blacklist=NONE [2023-11-23 21:20:11,220 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-23 21:20:11,221 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_3ac8e453-46cf-480a-92f4-f387b446ae61/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3ac8e453-46cf-480a-92f4-f387b446ae61/bin/utaipan-verify-mE87zJ7Ire Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> c2255c939c83cd7eedc3c7f637d06dea23ce3a82d37039af88ba670fb379695f [2023-11-23 21:20:11,535 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-23 21:20:11,567 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-23 21:20:11,570 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-23 21:20:11,571 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-23 21:20:11,572 INFO L274 PluginConnector]: CDTParser initialized [2023-11-23 21:20:11,573 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3ac8e453-46cf-480a-92f4-f387b446ae61/bin/utaipan-verify-mE87zJ7Ire/../../sv-benchmarks/c/ldv-commit-tester/main2_drivers-media-video-tlg2300-poseidon-ko--32_7a--4a349aa-1.i [2023-11-23 21:20:14,693 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-23 21:20:15,445 INFO L384 CDTParser]: Found 1 translation units. [2023-11-23 21:20:15,445 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3ac8e453-46cf-480a-92f4-f387b446ae61/sv-benchmarks/c/ldv-commit-tester/main2_drivers-media-video-tlg2300-poseidon-ko--32_7a--4a349aa-1.i [2023-11-23 21:20:15,506 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3ac8e453-46cf-480a-92f4-f387b446ae61/bin/utaipan-verify-mE87zJ7Ire/data/929827dcc/2b0add33cb094f83bfd32785cd600bce/FLAG77f46a064 [2023-11-23 21:20:15,523 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3ac8e453-46cf-480a-92f4-f387b446ae61/bin/utaipan-verify-mE87zJ7Ire/data/929827dcc/2b0add33cb094f83bfd32785cd600bce [2023-11-23 21:20:15,528 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-23 21:20:15,530 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-23 21:20:15,535 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-23 21:20:15,535 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-23 21:20:15,540 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-23 21:20:15,541 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 09:20:15" (1/1) ... [2023-11-23 21:20:15,542 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@637b4be5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:20:15, skipping insertion in model container [2023-11-23 21:20:15,542 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 09:20:15" (1/1) ... [2023-11-23 21:20:15,735 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-23 21:20:19,270 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_3ac8e453-46cf-480a-92f4-f387b446ae61/sv-benchmarks/c/ldv-commit-tester/main2_drivers-media-video-tlg2300-poseidon-ko--32_7a--4a349aa-1.i[341143,341156] [2023-11-23 21:20:19,421 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-23 21:20:19,541 INFO L202 MainTranslator]: Completed pre-run [2023-11-23 21:20:19,668 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("movb %%gs:%P1,%0": "=q" (pfo_ret__): "p" (& current_task)); [5252] [2023-11-23 21:20:19,670 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("movw %%gs:%P1,%0": "=r" (pfo_ret__): "p" (& current_task)); [5255] [2023-11-23 21:20:19,671 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("movl %%gs:%P1,%0": "=r" (pfo_ret__): "p" (& current_task)); [5258] [2023-11-23 21:20:19,671 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("movq %%gs:%P1,%0": "=r" (pfo_ret__): "p" (& current_task)); [5261] [2023-11-23 21:20:19,873 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("xchgb %0,%1": "=q" (__x), "+m" (*__ptr): "0" (__x): "memory"); [6744] [2023-11-23 21:20:19,873 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("xchgw %0,%1": "=r" (__x), "+m" (*__ptr___0): "0" (__x): "memory"); [6749] [2023-11-23 21:20:19,874 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("xchgl %0,%1": "=r" (__x), "+m" (*__ptr___1): "0" (__x): "memory"); [6754] [2023-11-23 21:20:19,875 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("xchgq %0,%1": "=r" (__x), "+m" (*__ptr___2): "0" (__x): "memory"); [6759] [2023-11-23 21:20:19,884 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("xchgb %0,%1": "=q" (__x), "+m" (*__ptr): "0" (__x): "memory"); [6834] [2023-11-23 21:20:19,885 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("xchgw %0,%1": "=r" (__x), "+m" (*__ptr___0): "0" (__x): "memory"); [6839] [2023-11-23 21:20:19,885 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("xchgl %0,%1": "=r" (__x), "+m" (*__ptr___1): "0" (__x): "memory"); [6844] [2023-11-23 21:20:19,886 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("xchgq %0,%1": "=r" (__x), "+m" (*__ptr___2): "0" (__x): "memory"); [6849] [2023-11-23 21:20:19,936 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("xchgb %0,%1": "=q" (__x), "+m" (*__ptr): "0" (__x): "memory"); [7237] [2023-11-23 21:20:19,936 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("xchgw %0,%1": "=r" (__x), "+m" (*__ptr___0): "0" (__x): "memory"); [7242] [2023-11-23 21:20:19,937 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("xchgl %0,%1": "=r" (__x), "+m" (*__ptr___1): "0" (__x): "memory"); [7247] [2023-11-23 21:20:19,937 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("xchgq %0,%1": "=r" (__x), "+m" (*__ptr___2): "0" (__x): "memory"); [7252] [2023-11-23 21:20:20,033 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)); [8780] [2023-11-23 21:20:20,034 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"); [8788-8789] [2023-11-23 21:20:20,034 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"); [8798-8799] [2023-11-23 21:20:20,036 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("xchgb %0,%1": "=q" (__x), "+m" (*__ptr): "0" (__x): "memory"); [8867] [2023-11-23 21:20:20,037 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("xchgw %0,%1": "=r" (__x), "+m" (*__ptr___0): "0" (__x): "memory"); [8872] [2023-11-23 21:20:20,037 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("xchgl %0,%1": "=r" (__x), "+m" (*__ptr___1): "0" (__x): "memory"); [8877] [2023-11-23 21:20:20,037 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("xchgq %0,%1": "=r" (__x), "+m" (*__ptr___2): "0" (__x): "memory"); [8882] [2023-11-23 21:20:20,116 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("xchgb %0,%1": "=q" (__x), "+m" (*__ptr): "0" (__x): "memory"); [9583] [2023-11-23 21:20:20,119 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("xchgw %0,%1": "=r" (__x), "+m" (*__ptr___0): "0" (__x): "memory"); [9588] [2023-11-23 21:20:20,120 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("xchgl %0,%1": "=r" (__x), "+m" (*__ptr___1): "0" (__x): "memory"); [9593] [2023-11-23 21:20:20,120 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("xchgq %0,%1": "=r" (__x), "+m" (*__ptr___2): "0" (__x): "memory"); [9598] [2023-11-23 21:20:20,134 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("xchgb %0,%1": "=q" (__x), "+m" (*__ptr): "0" (__x): "memory"); [9946] [2023-11-23 21:20:20,134 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("xchgw %0,%1": "=r" (__x), "+m" (*__ptr___0): "0" (__x): "memory"); [9951] [2023-11-23 21:20:20,135 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("xchgl %0,%1": "=r" (__x), "+m" (*__ptr___1): "0" (__x): "memory"); [9956] [2023-11-23 21:20:20,135 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("xchgq %0,%1": "=r" (__x), "+m" (*__ptr___2): "0" (__x): "memory"); [9961] [2023-11-23 21:20:20,142 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("xchgb %0,%1": "=q" (__x), "+m" (*__ptr): "0" (__x): "memory"); [10155] [2023-11-23 21:20:20,142 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("xchgw %0,%1": "=r" (__x), "+m" (*__ptr___0): "0" (__x): "memory"); [10160] [2023-11-23 21:20:20,143 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("xchgl %0,%1": "=r" (__x), "+m" (*__ptr___1): "0" (__x): "memory"); [10165] [2023-11-23 21:20:20,143 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("xchgq %0,%1": "=r" (__x), "+m" (*__ptr___2): "0" (__x): "memory"); [10170] [2023-11-23 21:20:20,146 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("xchgb %0,%1": "=q" (__x), "+m" (*__ptr): "0" (__x): "memory"); [10249] [2023-11-23 21:20:20,147 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("xchgw %0,%1": "=r" (__x), "+m" (*__ptr___0): "0" (__x): "memory"); [10254] [2023-11-23 21:20:20,148 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("xchgl %0,%1": "=r" (__x), "+m" (*__ptr___1): "0" (__x): "memory"); [10259] [2023-11-23 21:20:20,148 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("xchgq %0,%1": "=r" (__x), "+m" (*__ptr___2): "0" (__x): "memory"); [10264] [2023-11-23 21:20:20,204 WARN L75 lationResultReporter]: Unsoundness Warning: ignored call to __builtin_prefetch C: __builtin_prefetch((void const *)pd->device_list.next) [11356] [2023-11-23 21:20:20,232 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_3ac8e453-46cf-480a-92f4-f387b446ae61/sv-benchmarks/c/ldv-commit-tester/main2_drivers-media-video-tlg2300-poseidon-ko--32_7a--4a349aa-1.i[341143,341156] [2023-11-23 21:20:20,248 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-23 21:20:20,541 WARN L675 CHandler]: The function strncmp is called, but not defined or handled by StandardFunctionHandler. [2023-11-23 21:20:20,541 WARN L675 CHandler]: The function __xchg_wrong_size is called, but not defined or handled by StandardFunctionHandler. [2023-11-23 21:20:20,541 WARN L675 CHandler]: The function __bad_percpu_size is called, but not defined or handled by StandardFunctionHandler. [2023-11-23 21:20:20,549 INFO L206 MainTranslator]: Completed translation [2023-11-23 21:20:20,550 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:20:20 WrapperNode [2023-11-23 21:20:20,550 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-23 21:20:20,552 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-23 21:20:20,552 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-23 21:20:20,552 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-23 21:20:20,561 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:20:20" (1/1) ... [2023-11-23 21:20:20,731 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:20:20" (1/1) ... [2023-11-23 21:20:20,858 INFO L138 Inliner]: procedures = 461, calls = 4788, calls flagged for inlining = 237, calls inlined = 31, statements flattened = 2643 [2023-11-23 21:20:20,859 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-23 21:20:20,859 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-23 21:20:20,860 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-23 21:20:20,860 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-23 21:20:20,870 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:20:20" (1/1) ... [2023-11-23 21:20:20,870 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:20:20" (1/1) ... [2023-11-23 21:20:20,900 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:20:20" (1/1) ... [2023-11-23 21:20:20,900 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:20:20" (1/1) ... [2023-11-23 21:20:21,010 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:20:20" (1/1) ... [2023-11-23 21:20:21,035 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:20:20" (1/1) ... [2023-11-23 21:20:21,074 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:20:20" (1/1) ... [2023-11-23 21:20:21,094 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:20:20" (1/1) ... [2023-11-23 21:20:21,127 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-23 21:20:21,128 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-23 21:20:21,128 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-23 21:20:21,129 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-23 21:20:21,129 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:20:20" (1/1) ... [2023-11-23 21:20:21,135 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-23 21:20:21,149 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3ac8e453-46cf-480a-92f4-f387b446ae61/bin/utaipan-verify-mE87zJ7Ire/z3 [2023-11-23 21:20:21,167 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3ac8e453-46cf-480a-92f4-f387b446ae61/bin/utaipan-verify-mE87zJ7Ire/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2023-11-23 21:20:21,189 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3ac8e453-46cf-480a-92f4-f387b446ae61/bin/utaipan-verify-mE87zJ7Ire/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2023-11-23 21:20:21,216 INFO L130 BoogieDeclarations]: Found specification of procedure __xchg_wrong_size [2023-11-23 21:20:21,216 INFO L130 BoogieDeclarations]: Found specification of procedure usb_autopm_get_interface [2023-11-23 21:20:21,216 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_autopm_get_interface [2023-11-23 21:20:21,216 INFO L130 BoogieDeclarations]: Found specification of procedure dvb_stop_streaming [2023-11-23 21:20:21,216 INFO L138 BoogieDeclarations]: Found implementation of procedure dvb_stop_streaming [2023-11-23 21:20:21,217 INFO L130 BoogieDeclarations]: Found specification of procedure poseidon_check_mode_dvbt [2023-11-23 21:20:21,217 INFO L138 BoogieDeclarations]: Found implementation of procedure poseidon_check_mode_dvbt [2023-11-23 21:20:21,218 INFO L130 BoogieDeclarations]: Found specification of procedure set_tuner_mode [2023-11-23 21:20:21,219 INFO L138 BoogieDeclarations]: Found implementation of procedure set_tuner_mode [2023-11-23 21:20:21,219 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_dec_and_test [2023-11-23 21:20:21,219 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_dec_and_test [2023-11-23 21:20:21,219 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-11-23 21:20:21,219 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int [2023-11-23 21:20:21,219 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2023-11-23 21:20:21,219 INFO L130 BoogieDeclarations]: Found specification of procedure kref_get [2023-11-23 21:20:21,220 INFO L138 BoogieDeclarations]: Found implementation of procedure kref_get [2023-11-23 21:20:21,220 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_initialize [2023-11-23 21:20:21,220 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_initialize [2023-11-23 21:20:21,220 INFO L130 BoogieDeclarations]: Found specification of procedure usb_autopm_put_interface [2023-11-23 21:20:21,221 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_autopm_put_interface [2023-11-23 21:20:21,222 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2023-11-23 21:20:21,222 INFO L130 BoogieDeclarations]: Found specification of procedure usb_kill_urb [2023-11-23 21:20:21,222 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_kill_urb [2023-11-23 21:20:21,222 INFO L130 BoogieDeclarations]: Found specification of procedure kref_put [2023-11-23 21:20:21,222 INFO L138 BoogieDeclarations]: Found implementation of procedure kref_put [2023-11-23 21:20:21,222 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-23 21:20:21,223 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_lock_of_poseidon [2023-11-23 21:20:21,223 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_lock_of_poseidon [2023-11-23 21:20:21,223 INFO L130 BoogieDeclarations]: Found specification of procedure __const_udelay [2023-11-23 21:20:21,223 INFO L138 BoogieDeclarations]: Found implementation of procedure __const_udelay [2023-11-23 21:20:21,223 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2023-11-23 21:20:21,224 INFO L130 BoogieDeclarations]: Found specification of procedure __bad_percpu_size [2023-11-23 21:20:21,224 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_lock_of_poseidon [2023-11-23 21:20:21,224 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_lock_of_poseidon [2023-11-23 21:20:21,224 INFO L130 BoogieDeclarations]: Found specification of procedure usb_control_msg [2023-11-23 21:20:21,224 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_control_msg [2023-11-23 21:20:21,224 INFO L130 BoogieDeclarations]: Found specification of procedure send_set_req [2023-11-23 21:20:21,224 INFO L138 BoogieDeclarations]: Found implementation of procedure send_set_req [2023-11-23 21:20:21,225 INFO L130 BoogieDeclarations]: Found specification of procedure schedule_timeout [2023-11-23 21:20:21,225 INFO L138 BoogieDeclarations]: Found implementation of procedure schedule_timeout [2023-11-23 21:20:21,225 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-23 21:20:21,225 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-23 21:20:21,225 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2023-11-23 21:20:21,226 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2023-11-23 21:20:21,226 INFO L130 BoogieDeclarations]: Found specification of procedure usb_set_interface [2023-11-23 21:20:21,226 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_set_interface [2023-11-23 21:20:21,226 INFO L130 BoogieDeclarations]: Found specification of procedure get_current [2023-11-23 21:20:21,227 INFO L138 BoogieDeclarations]: Found implementation of procedure get_current [2023-11-23 21:20:21,227 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_unlock [2023-11-23 21:20:21,227 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_unlock [2023-11-23 21:20:21,228 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_error [2023-11-23 21:20:21,228 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_error [2023-11-23 21:20:21,228 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_lock [2023-11-23 21:20:21,228 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_lock [2023-11-23 21:20:21,228 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-11-23 21:20:21,228 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2023-11-23 21:20:21,229 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2023-11-23 21:20:21,229 INFO L130 BoogieDeclarations]: Found specification of procedure printk [2023-11-23 21:20:21,229 INFO L138 BoogieDeclarations]: Found implementation of procedure printk [2023-11-23 21:20:21,229 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memmove [2023-11-23 21:20:21,229 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memmove [2023-11-23 21:20:21,230 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_handler_precall [2023-11-23 21:20:21,230 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_handler_precall [2023-11-23 21:20:21,230 INFO L130 BoogieDeclarations]: Found specification of procedure jiffies_to_msecs [2023-11-23 21:20:21,230 INFO L138 BoogieDeclarations]: Found implementation of procedure jiffies_to_msecs [2023-11-23 21:20:21,230 INFO L130 BoogieDeclarations]: Found specification of procedure send_get_req [2023-11-23 21:20:21,231 INFO L138 BoogieDeclarations]: Found implementation of procedure send_get_req [2023-11-23 21:20:21,231 INFO L130 BoogieDeclarations]: Found specification of procedure __create_pipe [2023-11-23 21:20:21,231 INFO L138 BoogieDeclarations]: Found implementation of procedure __create_pipe [2023-11-23 21:20:21,231 INFO L130 BoogieDeclarations]: Found specification of procedure poseidon_set_fe [2023-11-23 21:20:21,232 INFO L138 BoogieDeclarations]: Found implementation of procedure poseidon_set_fe [2023-11-23 21:20:21,232 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-11-23 21:20:21,232 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-23 21:20:21,232 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_final_state [2023-11-23 21:20:21,233 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_final_state [2023-11-23 21:20:21,823 INFO L241 CfgBuilder]: Building ICFG [2023-11-23 21:20:21,827 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-23 21:20:34,941 INFO L282 CfgBuilder]: Performing block encoding [2023-11-23 21:20:35,881 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-23 21:20:35,881 INFO L309 CfgBuilder]: Removed 0 assume(true) statements. [2023-11-23 21:20:35,883 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 09:20:35 BoogieIcfgContainer [2023-11-23 21:20:35,884 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-23 21:20:35,886 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-11-23 21:20:35,886 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-11-23 21:20:35,890 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-11-23 21:20:35,891 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 23.11 09:20:15" (1/3) ... [2023-11-23 21:20:35,891 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2c0a86bc and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.11 09:20:35, skipping insertion in model container [2023-11-23 21:20:35,892 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:20:20" (2/3) ... [2023-11-23 21:20:35,894 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2c0a86bc and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.11 09:20:35, skipping insertion in model container [2023-11-23 21:20:35,894 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 09:20:35" (3/3) ... [2023-11-23 21:20:35,896 INFO L112 eAbstractionObserver]: Analyzing ICFG main2_drivers-media-video-tlg2300-poseidon-ko--32_7a--4a349aa-1.i [2023-11-23 21:20:35,919 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-11-23 21:20:35,920 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2023-11-23 21:20:36,013 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-11-23 21:20:36,021 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;@461f96d5, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-11-23 21:20:36,022 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2023-11-23 21:20:36,030 INFO L276 IsEmpty]: Start isEmpty. Operand has 320 states, 191 states have (on average 1.3455497382198953) internal successors, (257), 203 states have internal predecessors, (257), 98 states have call successors, (98), 29 states have call predecessors, (98), 29 states have return successors, (98), 98 states have call predecessors, (98), 98 states have call successors, (98) [2023-11-23 21:20:36,040 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2023-11-23 21:20:36,040 INFO L187 NwaCegarLoop]: Found error trace [2023-11-23 21:20:36,041 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-23 21:20:36,042 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-23 21:20:36,051 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-23 21:20:36,052 INFO L85 PathProgramCache]: Analyzing trace with hash 1523659436, now seen corresponding path program 1 times [2023-11-23 21:20:36,064 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-11-23 21:20:36,065 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [829189247] [2023-11-23 21:20:36,068 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-23 21:20:36,068 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 21:20:40,031 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 21:20:40,734 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-23 21:20:40,735 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-11-23 21:20:40,736 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [829189247] [2023-11-23 21:20:40,736 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [829189247] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-23 21:20:40,737 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-23 21:20:40,737 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-11-23 21:20:40,739 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [303706373] [2023-11-23 21:20:40,740 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-23 21:20:40,748 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-23 21:20:40,750 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-11-23 21:20:40,794 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-23 21:20:40,795 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-23 21:20:40,801 INFO L87 Difference]: Start difference. First operand has 320 states, 191 states have (on average 1.3455497382198953) internal successors, (257), 203 states have internal predecessors, (257), 98 states have call successors, (98), 29 states have call predecessors, (98), 29 states have return successors, (98), 98 states have call predecessors, (98), 98 states have call successors, (98) 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) [2023-11-23 21:20:43,016 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.19s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-23 21:20:45,070 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.05s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-23 21:20:47,442 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.08s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-23 21:20:49,653 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.21s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-23 21:20:52,300 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-23 21:20:54,309 WARN L539 Checker$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 21:20:54,833 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-23 21:20:54,834 INFO L93 Difference]: Finished difference Result 641 states and 923 transitions. [2023-11-23 21:20:54,838 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-23 21:20:54,839 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 [2023-11-23 21:20:54,840 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-23 21:20:54,863 INFO L225 Difference]: With dead ends: 641 [2023-11-23 21:20:54,863 INFO L226 Difference]: Without dead ends: 321 [2023-11-23 21:20:54,874 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 21:20:54,883 INFO L413 NwaCegarLoop]: 378 mSDtfsCounter, 167 mSDsluCounter, 230 mSDsCounter, 0 mSdLazyCounter, 103 mSolverCounterSat, 2 mSolverCounterUnsat, 6 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 13.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 167 SdHoareTripleChecker+Valid, 608 SdHoareTripleChecker+Invalid, 111 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 103 IncrementalHoareTripleChecker+Invalid, 6 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 13.9s IncrementalHoareTripleChecker+Time [2023-11-23 21:20:54,884 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [167 Valid, 608 Invalid, 111 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 103 Invalid, 6 Unknown, 0 Unchecked, 13.9s Time] [2023-11-23 21:20:54,903 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 321 states. [2023-11-23 21:20:54,987 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 321 to 319. [2023-11-23 21:20:54,990 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 319 states, 193 states have (on average 1.3316062176165804) internal successors, (257), 201 states have internal predecessors, (257), 96 states have call successors, (96), 31 states have call predecessors, (96), 29 states have return successors, (90), 90 states have call predecessors, (90), 90 states have call successors, (90) [2023-11-23 21:20:54,998 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 319 states to 319 states and 443 transitions. [2023-11-23 21:20:55,000 INFO L78 Accepts]: Start accepts. Automaton has 319 states and 443 transitions. Word has length 10 [2023-11-23 21:20:55,000 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-23 21:20:55,000 INFO L495 AbstractCegarLoop]: Abstraction has 319 states and 443 transitions. [2023-11-23 21:20:55,000 INFO L496 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) [2023-11-23 21:20:55,001 INFO L276 IsEmpty]: Start isEmpty. Operand 319 states and 443 transitions. [2023-11-23 21:20:55,002 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2023-11-23 21:20:55,002 INFO L187 NwaCegarLoop]: Found error trace [2023-11-23 21:20:55,003 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-23 21:20:55,003 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2023-11-23 21:20:55,003 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-23 21:20:55,003 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-23 21:20:55,004 INFO L85 PathProgramCache]: Analyzing trace with hash -11814784, now seen corresponding path program 1 times [2023-11-23 21:20:55,004 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-11-23 21:20:55,004 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [326211200] [2023-11-23 21:20:55,004 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-23 21:20:55,005 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 21:20:58,418 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 21:20:58,961 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-23 21:20:58,961 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-11-23 21:20:58,962 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [326211200] [2023-11-23 21:20:58,962 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [326211200] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-23 21:20:58,962 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-23 21:20:58,962 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-11-23 21:20:58,962 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1527281497] [2023-11-23 21:20:58,963 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-23 21:20:58,964 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-23 21:20:58,964 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-11-23 21:20:58,965 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-23 21:20:58,966 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-23 21:20:58,967 INFO L87 Difference]: Start difference. First operand 319 states and 443 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) [2023-11-23 21:21:01,132 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.16s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-23 21:21:03,199 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.06s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-23 21:21:05,425 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.04s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-23 21:21:07,882 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers []