./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/ldv-consumption/linux-3.8-rc1-32_7a-drivers--input--misc--uinput.ko-ldv_main0.cil.out.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version d790fecc Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_52e51942-9f89-498f-b27e-2f77c6d54ccb/bin/uautomizer-verify-aQ6SnzHsRB/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_52e51942-9f89-498f-b27e-2f77c6d54ccb/bin/uautomizer-verify-aQ6SnzHsRB/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_52e51942-9f89-498f-b27e-2f77c6d54ccb/bin/uautomizer-verify-aQ6SnzHsRB/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_52e51942-9f89-498f-b27e-2f77c6d54ccb/bin/uautomizer-verify-aQ6SnzHsRB/config/AutomizerReach.xml -i ../../sv-benchmarks/c/ldv-consumption/linux-3.8-rc1-32_7a-drivers--input--misc--uinput.ko-ldv_main0.cil.out.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_52e51942-9f89-498f-b27e-2f77c6d54ccb/bin/uautomizer-verify-aQ6SnzHsRB/config/svcomp-Reach-64bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_52e51942-9f89-498f-b27e-2f77c6d54ccb/bin/uautomizer-verify-aQ6SnzHsRB --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 64bit --witnessprinter.graph.data.programhash 3aefe7c24f7dbfd113682bd81b91ef3b049ad438c933de49acd0f78d1e093848 --- Real Ultimate output --- This is Ultimate 0.3.0-dev-d790fec [2024-11-28 03:18:28,298 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-28 03:18:28,394 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_52e51942-9f89-498f-b27e-2f77c6d54ccb/bin/uautomizer-verify-aQ6SnzHsRB/config/svcomp-Reach-64bit-Automizer_Default.epf [2024-11-28 03:18:28,403 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-28 03:18:28,404 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-28 03:18:28,445 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-28 03:18:28,446 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-28 03:18:28,446 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-28 03:18:28,446 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-28 03:18:28,446 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-28 03:18:28,447 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-28 03:18:28,447 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-28 03:18:28,447 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-28 03:18:28,447 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-28 03:18:28,447 INFO L153 SettingsManager]: * Use SBE=true [2024-11-28 03:18:28,448 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-28 03:18:28,448 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-28 03:18:28,448 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-28 03:18:28,449 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-28 03:18:28,450 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-28 03:18:28,450 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-28 03:18:28,450 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-28 03:18:28,450 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-28 03:18:28,450 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2024-11-28 03:18:28,451 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-28 03:18:28,451 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2024-11-28 03:18:28,451 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-28 03:18:28,451 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-28 03:18:28,451 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-28 03:18:28,451 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-28 03:18:28,452 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-28 03:18:28,452 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-28 03:18:28,452 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-28 03:18:28,452 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-28 03:18:28,452 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-28 03:18:28,452 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-28 03:18:28,452 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-28 03:18:28,452 INFO L153 SettingsManager]: * Compute procedure contracts=false [2024-11-28 03:18:28,453 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-28 03:18:28,453 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-11-28 03:18:28,453 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-28 03:18:28,453 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-28 03:18:28,453 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-28 03:18:28,453 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-28 03:18:28,453 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-28 03:18:28,453 INFO L153 SettingsManager]: * Looper check in Petri net analysis=SEMANTIC 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_52e51942-9f89-498f-b27e-2f77c6d54ccb/bin/uautomizer-verify-aQ6SnzHsRB Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 3aefe7c24f7dbfd113682bd81b91ef3b049ad438c933de49acd0f78d1e093848 [2024-11-28 03:18:28,746 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-28 03:18:28,755 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-28 03:18:28,757 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-28 03:18:28,759 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-28 03:18:28,759 INFO L274 PluginConnector]: CDTParser initialized [2024-11-28 03:18:28,760 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_52e51942-9f89-498f-b27e-2f77c6d54ccb/bin/uautomizer-verify-aQ6SnzHsRB/../../sv-benchmarks/c/ldv-consumption/linux-3.8-rc1-32_7a-drivers--input--misc--uinput.ko-ldv_main0.cil.out.i [2024-11-28 03:18:31,707 INFO L533 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_52e51942-9f89-498f-b27e-2f77c6d54ccb/bin/uautomizer-verify-aQ6SnzHsRB/data/e922fe1eb/5491b9b7146a43e29042876cad422521/FLAG0004d3fc0 [2024-11-28 03:18:32,243 INFO L384 CDTParser]: Found 1 translation units. [2024-11-28 03:18:32,244 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_52e51942-9f89-498f-b27e-2f77c6d54ccb/sv-benchmarks/c/ldv-consumption/linux-3.8-rc1-32_7a-drivers--input--misc--uinput.ko-ldv_main0.cil.out.i [2024-11-28 03:18:32,279 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_52e51942-9f89-498f-b27e-2f77c6d54ccb/bin/uautomizer-verify-aQ6SnzHsRB/data/e922fe1eb/5491b9b7146a43e29042876cad422521/FLAG0004d3fc0 [2024-11-28 03:18:32,294 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_52e51942-9f89-498f-b27e-2f77c6d54ccb/bin/uautomizer-verify-aQ6SnzHsRB/data/e922fe1eb/5491b9b7146a43e29042876cad422521 [2024-11-28 03:18:32,296 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-28 03:18:32,297 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-28 03:18:32,299 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-28 03:18:32,299 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-28 03:18:32,303 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-28 03:18:32,304 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 03:18:32" (1/1) ... [2024-11-28 03:18:32,305 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5be71e34 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:18:32, skipping insertion in model container [2024-11-28 03:18:32,305 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 03:18:32" (1/1) ... [2024-11-28 03:18:32,414 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-28 03:18:33,527 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_52e51942-9f89-498f-b27e-2f77c6d54ccb/sv-benchmarks/c/ldv-consumption/linux-3.8-rc1-32_7a-drivers--input--misc--uinput.ko-ldv_main0.cil.out.i[133672,133685] [2024-11-28 03:18:33,600 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-28 03:18:33,654 INFO L200 MainTranslator]: Completed pre-run [2024-11-28 03:18:33,742 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile (".pushsection .smp_locks,\"a\"\n.balign 4\n.long 671f - .\n.popsection\n671:\n\tlock; bts %1,%0": "+m" (*((long volatile *)addr)): "Ir" (nr): "memory"); [3073] [2024-11-28 03:18:33,746 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("bt %2,%1\n\tsbb %0,%0": "=r" (oldbit): "m" (*((unsigned long *)addr)), "Ir" (nr)); [3087-3088] [2024-11-28 03:18:33,747 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("movb %%gs:%P1,%0": "=q" (pfo_ret__): "p" (& current_task)); [3102] [2024-11-28 03:18:33,748 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("movw %%gs:%P1,%0": "=r" (pfo_ret__): "p" (& current_task)); [3105] [2024-11-28 03:18:33,748 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("movl %%gs:%P1,%0": "=r" (pfo_ret__): "p" (& current_task)); [3108] [2024-11-28 03:18:33,749 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("movq %%gs:%P1,%0": "=r" (pfo_ret__): "p" (& current_task)); [3111] [2024-11-28 03:18:33,752 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("movb %%gs:%P1,%0": "=q" (pfo_ret__): "p" (& kernel_stack)); [3173] [2024-11-28 03:18:33,752 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("movw %%gs:%P1,%0": "=r" (pfo_ret__): "p" (& kernel_stack)); [3176] [2024-11-28 03:18:33,752 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("movl %%gs:%P1,%0": "=r" (pfo_ret__): "p" (& kernel_stack)); [3179] [2024-11-28 03:18:33,753 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("movq %%gs:%P1,%0": "=r" (pfo_ret__): "p" (& kernel_stack)); [3182] [2024-11-28 03:18:33,922 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_52e51942-9f89-498f-b27e-2f77c6d54ccb/sv-benchmarks/c/ldv-consumption/linux-3.8-rc1-32_7a-drivers--input--misc--uinput.ko-ldv_main0.cil.out.i[133672,133685] [2024-11-28 03:18:33,981 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-28 03:18:34,038 INFO L204 MainTranslator]: Completed translation [2024-11-28 03:18:34,039 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:18:34 WrapperNode [2024-11-28 03:18:34,040 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-28 03:18:34,041 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-28 03:18:34,041 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-28 03:18:34,041 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-28 03:18:34,049 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:18:34" (1/1) ... [2024-11-28 03:18:34,117 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:18:34" (1/1) ... [2024-11-28 03:18:34,280 INFO L138 Inliner]: procedures = 191, calls = 833, calls flagged for inlining = 89, calls inlined = 75, statements flattened = 2334 [2024-11-28 03:18:34,281 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-28 03:18:34,281 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-28 03:18:34,281 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-28 03:18:34,281 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-28 03:18:34,291 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:18:34" (1/1) ... [2024-11-28 03:18:34,291 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:18:34" (1/1) ... [2024-11-28 03:18:34,321 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:18:34" (1/1) ... [2024-11-28 03:18:34,589 INFO L175 MemorySlicer]: Split 435 memory accesses to 14 slices as follows [3, 2, 7, 2, 7, 7, 35, 113, 9, 5, 8, 234, 1, 2]. 54 percent of accesses are in the largest equivalence class. The 39 initializations are split as follows [0, 2, 7, 0, 7, 7, 7, 0, 9, 0, 0, 0, 0, 0]. The 171 writes are split as follows [0, 0, 0, 0, 0, 0, 28, 103, 0, 5, 1, 34, 0, 0]. [2024-11-28 03:18:34,590 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:18:34" (1/1) ... [2024-11-28 03:18:34,590 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:18:34" (1/1) ... [2024-11-28 03:18:34,706 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:18:34" (1/1) ... [2024-11-28 03:18:34,710 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:18:34" (1/1) ... [2024-11-28 03:18:34,735 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:18:34" (1/1) ... [2024-11-28 03:18:34,759 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:18:34" (1/1) ... [2024-11-28 03:18:34,772 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:18:34" (1/1) ... [2024-11-28 03:18:34,793 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-28 03:18:34,794 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-28 03:18:34,794 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-28 03:18:34,794 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-28 03:18:34,795 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:18:34" (1/1) ... [2024-11-28 03:18:34,802 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-28 03:18:34,819 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_52e51942-9f89-498f-b27e-2f77c6d54ccb/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-28 03:18:34,834 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_52e51942-9f89-498f-b27e-2f77c6d54ccb/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-11-28 03:18:34,843 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_52e51942-9f89-498f-b27e-2f77c6d54ccb/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-11-28 03:18:34,873 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#0 [2024-11-28 03:18:34,873 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#1 [2024-11-28 03:18:34,873 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#2 [2024-11-28 03:18:34,873 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#3 [2024-11-28 03:18:34,873 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#4 [2024-11-28 03:18:34,873 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#5 [2024-11-28 03:18:34,873 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#6 [2024-11-28 03:18:34,873 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#7 [2024-11-28 03:18:34,874 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#8 [2024-11-28 03:18:34,874 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#9 [2024-11-28 03:18:34,874 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#10 [2024-11-28 03:18:34,874 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#11 [2024-11-28 03:18:34,875 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#12 [2024-11-28 03:18:34,875 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#13 [2024-11-28 03:18:34,875 INFO L130 BoogieDeclarations]: Found specification of procedure input_event_size [2024-11-28 03:18:34,875 INFO L138 BoogieDeclarations]: Found implementation of procedure input_event_size [2024-11-28 03:18:34,875 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#0 [2024-11-28 03:18:34,875 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#1 [2024-11-28 03:18:34,876 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#2 [2024-11-28 03:18:34,876 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#3 [2024-11-28 03:18:34,876 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#4 [2024-11-28 03:18:34,876 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#5 [2024-11-28 03:18:34,876 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#6 [2024-11-28 03:18:34,876 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#7 [2024-11-28 03:18:34,876 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#8 [2024-11-28 03:18:34,876 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#9 [2024-11-28 03:18:34,876 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#10 [2024-11-28 03:18:34,876 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#11 [2024-11-28 03:18:34,876 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#12 [2024-11-28 03:18:34,876 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#13 [2024-11-28 03:18:34,877 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#0 [2024-11-28 03:18:34,877 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#1 [2024-11-28 03:18:34,877 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#2 [2024-11-28 03:18:34,877 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#3 [2024-11-28 03:18:34,877 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#4 [2024-11-28 03:18:34,877 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#5 [2024-11-28 03:18:34,877 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#6 [2024-11-28 03:18:34,877 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#7 [2024-11-28 03:18:34,877 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#8 [2024-11-28 03:18:34,877 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#9 [2024-11-28 03:18:34,877 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#10 [2024-11-28 03:18:34,877 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#11 [2024-11-28 03:18:34,877 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#12 [2024-11-28 03:18:34,878 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#13 [2024-11-28 03:18:34,878 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#0 [2024-11-28 03:18:34,878 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#1 [2024-11-28 03:18:34,878 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#2 [2024-11-28 03:18:34,881 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#3 [2024-11-28 03:18:34,881 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#4 [2024-11-28 03:18:34,881 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#5 [2024-11-28 03:18:34,881 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#6 [2024-11-28 03:18:34,881 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#7 [2024-11-28 03:18:34,881 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#8 [2024-11-28 03:18:34,881 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#9 [2024-11-28 03:18:34,882 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#10 [2024-11-28 03:18:34,882 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#11 [2024-11-28 03:18:34,882 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#12 [2024-11-28 03:18:34,882 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#13 [2024-11-28 03:18:34,882 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_interruptible_mutex_of_uinput_device [2024-11-28 03:18:34,882 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_interruptible_mutex_of_uinput_device [2024-11-28 03:18:34,882 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#0 [2024-11-28 03:18:34,882 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#1 [2024-11-28 03:18:34,882 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#2 [2024-11-28 03:18:34,882 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#3 [2024-11-28 03:18:34,882 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#4 [2024-11-28 03:18:34,882 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#5 [2024-11-28 03:18:34,882 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#6 [2024-11-28 03:18:34,883 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#7 [2024-11-28 03:18:34,883 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#8 [2024-11-28 03:18:34,883 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#9 [2024-11-28 03:18:34,883 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#10 [2024-11-28 03:18:34,883 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#11 [2024-11-28 03:18:34,883 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#12 [2024-11-28 03:18:34,883 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#13 [2024-11-28 03:18:34,883 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#0 [2024-11-28 03:18:34,883 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#1 [2024-11-28 03:18:34,883 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#2 [2024-11-28 03:18:34,883 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#3 [2024-11-28 03:18:34,883 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#4 [2024-11-28 03:18:34,883 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#5 [2024-11-28 03:18:34,883 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#6 [2024-11-28 03:18:34,884 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#7 [2024-11-28 03:18:34,884 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#8 [2024-11-28 03:18:34,884 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#9 [2024-11-28 03:18:34,884 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#10 [2024-11-28 03:18:34,884 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#11 [2024-11-28 03:18:34,885 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#12 [2024-11-28 03:18:34,885 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#13 [2024-11-28 03:18:34,886 INFO L130 BoogieDeclarations]: Found specification of procedure variable_test_bit [2024-11-28 03:18:34,886 INFO L138 BoogieDeclarations]: Found implementation of procedure variable_test_bit [2024-11-28 03:18:34,886 INFO L130 BoogieDeclarations]: Found specification of procedure get_current [2024-11-28 03:18:34,886 INFO L138 BoogieDeclarations]: Found implementation of procedure get_current [2024-11-28 03:18:34,886 INFO L130 BoogieDeclarations]: Found specification of procedure uinput_request_done [2024-11-28 03:18:34,886 INFO L138 BoogieDeclarations]: Found implementation of procedure uinput_request_done [2024-11-28 03:18:34,886 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2024-11-28 03:18:34,886 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2024-11-28 03:18:34,886 INFO L130 BoogieDeclarations]: Found specification of procedure constant_test_bit [2024-11-28 03:18:34,886 INFO L138 BoogieDeclarations]: Found implementation of procedure constant_test_bit [2024-11-28 03:18:34,887 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2024-11-28 03:18:34,887 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree [2024-11-28 03:18:34,887 INFO L130 BoogieDeclarations]: Found specification of procedure input_abs_get_flat [2024-11-28 03:18:34,887 INFO L138 BoogieDeclarations]: Found implementation of procedure input_abs_get_flat [2024-11-28 03:18:34,887 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#0 [2024-11-28 03:18:34,887 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#1 [2024-11-28 03:18:34,887 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#2 [2024-11-28 03:18:34,887 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#3 [2024-11-28 03:18:34,887 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#4 [2024-11-28 03:18:34,887 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#5 [2024-11-28 03:18:34,887 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#6 [2024-11-28 03:18:34,887 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#7 [2024-11-28 03:18:34,887 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#8 [2024-11-28 03:18:34,887 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#9 [2024-11-28 03:18:34,888 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#10 [2024-11-28 03:18:34,888 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#11 [2024-11-28 03:18:34,888 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#12 [2024-11-28 03:18:34,888 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#13 [2024-11-28 03:18:34,888 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_unlock [2024-11-28 03:18:34,888 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_unlock [2024-11-28 03:18:34,888 INFO L130 BoogieDeclarations]: Found specification of procedure copy_to_user [2024-11-28 03:18:34,888 INFO L138 BoogieDeclarations]: Found implementation of procedure copy_to_user [2024-11-28 03:18:34,889 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_error [2024-11-28 03:18:34,889 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_error [2024-11-28 03:18:34,889 INFO L130 BoogieDeclarations]: Found specification of procedure input_alloc_absinfo [2024-11-28 03:18:34,889 INFO L138 BoogieDeclarations]: Found implementation of procedure input_alloc_absinfo [2024-11-28 03:18:34,889 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_return_value [2024-11-28 03:18:34,889 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_return_value [2024-11-28 03:18:34,889 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2024-11-28 03:18:34,889 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2024-11-28 03:18:34,889 INFO L130 BoogieDeclarations]: Found specification of procedure uinput_request_find [2024-11-28 03:18:34,890 INFO L138 BoogieDeclarations]: Found implementation of procedure uinput_request_find [2024-11-28 03:18:34,890 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_mutex_of_uinput_device [2024-11-28 03:18:34,891 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_mutex_of_uinput_device [2024-11-28 03:18:34,891 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2024-11-28 03:18:34,891 INFO L130 BoogieDeclarations]: Found specification of procedure uinput_allocate_device [2024-11-28 03:18:34,891 INFO L138 BoogieDeclarations]: Found implementation of procedure uinput_allocate_device [2024-11-28 03:18:34,891 INFO L130 BoogieDeclarations]: Found specification of procedure copy_from_user [2024-11-28 03:18:34,891 INFO L138 BoogieDeclarations]: Found implementation of procedure copy_from_user [2024-11-28 03:18:34,891 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-28 03:18:34,891 INFO L130 BoogieDeclarations]: Found specification of procedure uinput_ioctl_handler [2024-11-28 03:18:34,891 INFO L138 BoogieDeclarations]: Found implementation of procedure uinput_ioctl_handler [2024-11-28 03:18:34,891 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#0 [2024-11-28 03:18:34,891 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#1 [2024-11-28 03:18:34,891 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#2 [2024-11-28 03:18:34,891 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#3 [2024-11-28 03:18:34,892 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#4 [2024-11-28 03:18:34,892 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#5 [2024-11-28 03:18:34,892 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#6 [2024-11-28 03:18:34,892 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#7 [2024-11-28 03:18:34,892 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#8 [2024-11-28 03:18:34,892 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#9 [2024-11-28 03:18:34,892 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#10 [2024-11-28 03:18:34,892 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#11 [2024-11-28 03:18:34,892 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#12 [2024-11-28 03:18:34,892 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#13 [2024-11-28 03:18:34,892 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2024-11-28 03:18:34,892 INFO L130 BoogieDeclarations]: Found specification of procedure __bad_percpu_size [2024-11-28 03:18:34,892 INFO L138 BoogieDeclarations]: Found implementation of procedure __bad_percpu_size [2024-11-28 03:18:34,892 INFO L130 BoogieDeclarations]: Found specification of procedure uinput_ff_upload_from_user [2024-11-28 03:18:34,893 INFO L138 BoogieDeclarations]: Found implementation of procedure uinput_ff_upload_from_user [2024-11-28 03:18:34,893 INFO L130 BoogieDeclarations]: Found specification of procedure uinput_destroy_device [2024-11-28 03:18:34,893 INFO L138 BoogieDeclarations]: Found implementation of procedure uinput_destroy_device [2024-11-28 03:18:34,893 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#0 [2024-11-28 03:18:34,893 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#1 [2024-11-28 03:18:34,893 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#2 [2024-11-28 03:18:34,893 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#3 [2024-11-28 03:18:34,893 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#4 [2024-11-28 03:18:34,893 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#5 [2024-11-28 03:18:34,893 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#6 [2024-11-28 03:18:34,893 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#7 [2024-11-28 03:18:34,893 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#8 [2024-11-28 03:18:34,893 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#9 [2024-11-28 03:18:34,893 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#10 [2024-11-28 03:18:34,893 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#11 [2024-11-28 03:18:34,894 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#12 [2024-11-28 03:18:34,894 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#13 [2024-11-28 03:18:34,894 INFO L130 BoogieDeclarations]: Found specification of procedure input_abs_get_max [2024-11-28 03:18:34,894 INFO L138 BoogieDeclarations]: Found implementation of procedure input_abs_get_max [2024-11-28 03:18:34,894 INFO L130 BoogieDeclarations]: Found specification of procedure __wake_up [2024-11-28 03:18:34,894 INFO L138 BoogieDeclarations]: Found implementation of procedure __wake_up [2024-11-28 03:18:34,897 INFO L130 BoogieDeclarations]: Found specification of procedure PTR_ERR [2024-11-28 03:18:34,897 INFO L138 BoogieDeclarations]: Found implementation of procedure PTR_ERR [2024-11-28 03:18:34,897 INFO L130 BoogieDeclarations]: Found specification of procedure signal_pending [2024-11-28 03:18:34,897 INFO L138 BoogieDeclarations]: Found implementation of procedure signal_pending [2024-11-28 03:18:34,898 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_lock_interruptible [2024-11-28 03:18:34,898 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_lock_interruptible [2024-11-28 03:18:34,898 INFO L130 BoogieDeclarations]: Found specification of procedure input_abs_get_min [2024-11-28 03:18:34,898 INFO L138 BoogieDeclarations]: Found implementation of procedure input_abs_get_min [2024-11-28 03:18:34,898 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-11-28 03:18:34,898 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#0 [2024-11-28 03:18:34,898 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#1 [2024-11-28 03:18:34,898 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#2 [2024-11-28 03:18:34,898 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#3 [2024-11-28 03:18:34,898 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#4 [2024-11-28 03:18:34,898 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#5 [2024-11-28 03:18:34,898 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#6 [2024-11-28 03:18:34,898 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#7 [2024-11-28 03:18:34,898 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#8 [2024-11-28 03:18:34,898 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#9 [2024-11-28 03:18:34,899 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#10 [2024-11-28 03:18:34,899 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#11 [2024-11-28 03:18:34,899 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#12 [2024-11-28 03:18:34,899 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#13 [2024-11-28 03:18:34,899 INFO L130 BoogieDeclarations]: Found specification of procedure is_compat_task [2024-11-28 03:18:34,899 INFO L138 BoogieDeclarations]: Found implementation of procedure is_compat_task [2024-11-28 03:18:34,899 INFO L130 BoogieDeclarations]: Found specification of procedure might_fault [2024-11-28 03:18:34,899 INFO L138 BoogieDeclarations]: Found implementation of procedure might_fault [2024-11-28 03:18:34,899 INFO L130 BoogieDeclarations]: Found specification of procedure prepare_to_wait [2024-11-28 03:18:34,899 INFO L138 BoogieDeclarations]: Found implementation of procedure prepare_to_wait [2024-11-28 03:18:34,899 INFO L130 BoogieDeclarations]: Found specification of procedure printk [2024-11-28 03:18:34,899 INFO L138 BoogieDeclarations]: Found implementation of procedure printk [2024-11-28 03:18:34,899 INFO L130 BoogieDeclarations]: Found specification of procedure kzalloc [2024-11-28 03:18:34,899 INFO L138 BoogieDeclarations]: Found implementation of procedure kzalloc [2024-11-28 03:18:34,899 INFO L130 BoogieDeclarations]: Found specification of procedure spin_lock [2024-11-28 03:18:34,899 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_lock [2024-11-28 03:18:34,900 INFO L130 BoogieDeclarations]: Found specification of procedure __init_waitqueue_head [2024-11-28 03:18:34,900 INFO L138 BoogieDeclarations]: Found implementation of procedure __init_waitqueue_head [2024-11-28 03:18:34,900 INFO L130 BoogieDeclarations]: Found specification of procedure set_bit [2024-11-28 03:18:34,900 INFO L138 BoogieDeclarations]: Found implementation of procedure set_bit [2024-11-28 03:18:34,900 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock [2024-11-28 03:18:34,900 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock [2024-11-28 03:18:34,900 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-11-28 03:18:34,900 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#1 [2024-11-28 03:18:34,900 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#2 [2024-11-28 03:18:34,900 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#3 [2024-11-28 03:18:34,900 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#4 [2024-11-28 03:18:34,900 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#5 [2024-11-28 03:18:34,900 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#6 [2024-11-28 03:18:34,900 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#7 [2024-11-28 03:18:34,900 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#8 [2024-11-28 03:18:34,900 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#9 [2024-11-28 03:18:34,901 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#10 [2024-11-28 03:18:34,901 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#11 [2024-11-28 03:18:34,901 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#12 [2024-11-28 03:18:34,901 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#13 [2024-11-28 03:18:34,901 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_handler_precall [2024-11-28 03:18:34,901 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_handler_precall [2024-11-28 03:18:34,902 INFO L130 BoogieDeclarations]: Found specification of procedure schedule [2024-11-28 03:18:34,902 INFO L138 BoogieDeclarations]: Found implementation of procedure schedule [2024-11-28 03:18:34,902 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#0 [2024-11-28 03:18:34,902 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#1 [2024-11-28 03:18:34,902 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#2 [2024-11-28 03:18:34,902 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#3 [2024-11-28 03:18:34,902 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#4 [2024-11-28 03:18:34,902 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#5 [2024-11-28 03:18:34,902 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#6 [2024-11-28 03:18:34,902 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#7 [2024-11-28 03:18:34,902 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#8 [2024-11-28 03:18:34,902 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#9 [2024-11-28 03:18:34,902 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#10 [2024-11-28 03:18:34,902 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#11 [2024-11-28 03:18:34,902 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#12 [2024-11-28 03:18:34,902 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#13 [2024-11-28 03:18:34,902 INFO L130 BoogieDeclarations]: Found specification of procedure _copy_from_user [2024-11-28 03:18:34,902 INFO L138 BoogieDeclarations]: Found implementation of procedure _copy_from_user [2024-11-28 03:18:34,902 INFO L130 BoogieDeclarations]: Found specification of procedure finish_wait [2024-11-28 03:18:34,902 INFO L138 BoogieDeclarations]: Found implementation of procedure finish_wait [2024-11-28 03:18:34,903 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-28 03:18:34,903 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-28 03:18:34,903 INFO L130 BoogieDeclarations]: Found specification of procedure IS_ERR [2024-11-28 03:18:34,903 INFO L138 BoogieDeclarations]: Found implementation of procedure IS_ERR [2024-11-28 03:18:35,617 INFO L234 CfgBuilder]: Building ICFG [2024-11-28 03:18:35,619 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-28 03:18:50,404 INFO L? ?]: Removed 1200 outVars from TransFormulas that were not future-live. [2024-11-28 03:18:50,404 INFO L283 CfgBuilder]: Performing block encoding [2024-11-28 03:18:50,431 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-28 03:18:50,432 INFO L312 CfgBuilder]: Removed 0 assume(true) statements. [2024-11-28 03:18:50,432 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 03:18:50 BoogieIcfgContainer [2024-11-28 03:18:50,432 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-28 03:18:50,435 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-28 03:18:50,435 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-28 03:18:50,439 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-28 03:18:50,440 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 28.11 03:18:32" (1/3) ... [2024-11-28 03:18:50,440 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@744371e4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.11 03:18:50, skipping insertion in model container [2024-11-28 03:18:50,440 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:18:34" (2/3) ... [2024-11-28 03:18:50,440 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@744371e4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.11 03:18:50, skipping insertion in model container [2024-11-28 03:18:50,440 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 03:18:50" (3/3) ... [2024-11-28 03:18:50,442 INFO L128 eAbstractionObserver]: Analyzing ICFG linux-3.8-rc1-32_7a-drivers--input--misc--uinput.ko-ldv_main0.cil.out.i [2024-11-28 03:18:50,456 INFO L216 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-28 03:18:50,458 INFO L151 ceAbstractionStarter]: Applying trace abstraction to ICFG linux-3.8-rc1-32_7a-drivers--input--misc--uinput.ko-ldv_main0.cil.out.i that has 58 procedures, 780 locations, 1 initial locations, 29 loop locations, and 1 error locations. [2024-11-28 03:18:50,532 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-28 03:18:50,544 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=PETRI_NET, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopHeads, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mPorIndependenceSettings=[Lde.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings;@2f4876f5, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-28 03:18:50,544 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-11-28 03:18:50,550 INFO L276 IsEmpty]: Start isEmpty. Operand has 715 states, 527 states have (on average 1.3586337760910816) internal successors, (716), 541 states have internal predecessors, (716), 142 states have call successors, (142), 44 states have call predecessors, (142), 44 states have return successors, (142), 140 states have call predecessors, (142), 142 states have call successors, (142) [2024-11-28 03:18:50,556 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2024-11-28 03:18:50,556 INFO L210 NwaCegarLoop]: Found error trace [2024-11-28 03:18:50,557 INFO L218 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-28 03:18:50,557 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-28 03:18:50,561 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 03:18:50,562 INFO L85 PathProgramCache]: Analyzing trace with hash 1531329268, now seen corresponding path program 1 times [2024-11-28 03:18:50,569 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 03:18:50,570 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [864299686] [2024-11-28 03:18:50,570 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 03:18:50,570 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 03:18:50,954 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 03:18:51,264 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-28 03:18:51,265 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 03:18:51,266 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [864299686] [2024-11-28 03:18:51,266 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [864299686] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-28 03:18:51,266 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-28 03:18:51,267 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-28 03:18:51,268 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [116701231] [2024-11-28 03:18:51,268 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 03:18:51,272 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-28 03:18:51,272 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 03:18:51,293 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-28 03:18:51,293 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-28 03:18:51,298 INFO L87 Difference]: Start difference. First operand has 715 states, 527 states have (on average 1.3586337760910816) internal successors, (716), 541 states have internal predecessors, (716), 142 states have call successors, (142), 44 states have call predecessors, (142), 44 states have return successors, (142), 140 states have call predecessors, (142), 142 states have call successors, (142) Second operand has 3 states, 3 states have (on average 3.6666666666666665) internal successors, (11), 3 states have internal predecessors, (11), 2 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2024-11-28 03:18:52,436 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.13s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-28 03:18:52,641 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-28 03:18:52,641 INFO L93 Difference]: Finished difference Result 1419 states and 2003 transitions. [2024-11-28 03:18:52,642 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-28 03:18:52,644 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 3.6666666666666665) internal successors, (11), 3 states have internal predecessors, (11), 2 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 14 [2024-11-28 03:18:52,644 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-28 03:18:52,666 INFO L225 Difference]: With dead ends: 1419 [2024-11-28 03:18:52,666 INFO L226 Difference]: Without dead ends: 708 [2024-11-28 03:18:52,678 INFO L434 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 [2024-11-28 03:18:52,683 INFO L435 NwaCegarLoop]: 988 mSDtfsCounter, 980 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 2 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 980 SdHoareTripleChecker+Valid, 988 SdHoareTripleChecker+Invalid, 2 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 2 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.1s IncrementalHoareTripleChecker+Time [2024-11-28 03:18:52,684 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [980 Valid, 988 Invalid, 2 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 2 Invalid, 0 Unknown, 0 Unchecked, 1.1s Time] [2024-11-28 03:18:52,703 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 708 states. [2024-11-28 03:18:52,805 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 708 to 708. [2024-11-28 03:18:52,811 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 708 states, 523 states have (on average 1.3518164435946463) internal successors, (707), 534 states have internal predecessors, (707), 141 states have call successors, (141), 44 states have call predecessors, (141), 43 states have return successors, (137), 135 states have call predecessors, (137), 137 states have call successors, (137) [2024-11-28 03:18:52,826 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 708 states to 708 states and 985 transitions. [2024-11-28 03:18:52,832 INFO L78 Accepts]: Start accepts. Automaton has 708 states and 985 transitions. Word has length 14 [2024-11-28 03:18:52,833 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-28 03:18:52,833 INFO L471 AbstractCegarLoop]: Abstraction has 708 states and 985 transitions. [2024-11-28 03:18:52,835 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 3.6666666666666665) internal successors, (11), 3 states have internal predecessors, (11), 2 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2024-11-28 03:18:52,835 INFO L276 IsEmpty]: Start isEmpty. Operand 708 states and 985 transitions. [2024-11-28 03:18:52,836 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2024-11-28 03:18:52,836 INFO L210 NwaCegarLoop]: Found error trace [2024-11-28 03:18:52,836 INFO L218 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-28 03:18:52,837 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-11-28 03:18:52,837 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-28 03:18:52,837 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 03:18:52,837 INFO L85 PathProgramCache]: Analyzing trace with hash 226283447, now seen corresponding path program 1 times [2024-11-28 03:18:52,837 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 03:18:52,838 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [39746879] [2024-11-28 03:18:52,838 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 03:18:52,838 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 03:18:53,088 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 03:18:53,253 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-28 03:18:53,253 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 03:18:53,253 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [39746879] [2024-11-28 03:18:53,253 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [39746879] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-28 03:18:53,253 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-28 03:18:53,254 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-28 03:18:53,254 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1778917203] [2024-11-28 03:18:53,254 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 03:18:53,255 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-28 03:18:53,255 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 03:18:53,256 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-28 03:18:53,256 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-28 03:18:53,256 INFO L87 Difference]: Start difference. First operand 708 states and 985 transitions. Second operand has 3 states, 3 states have (on average 4.0) internal successors, (12), 3 states have internal predecessors, (12), 2 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2024-11-28 03:18:55,023 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.77s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-28 03:18:55,124 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-28 03:18:55,125 INFO L93 Difference]: Finished difference Result 710 states and 986 transitions. [2024-11-28 03:18:55,126 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-28 03:18:55,126 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 4.0) internal successors, (12), 3 states have internal predecessors, (12), 2 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 15 [2024-11-28 03:18:55,127 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-28 03:18:55,134 INFO L225 Difference]: With dead ends: 710 [2024-11-28 03:18:55,134 INFO L226 Difference]: Without dead ends: 707 [2024-11-28 03:18:55,138 INFO L434 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 [2024-11-28 03:18:55,139 INFO L435 NwaCegarLoop]: 982 mSDtfsCounter, 973 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 2 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 973 SdHoareTripleChecker+Valid, 982 SdHoareTripleChecker+Invalid, 2 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 2 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.8s IncrementalHoareTripleChecker+Time [2024-11-28 03:18:55,139 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [973 Valid, 982 Invalid, 2 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 2 Invalid, 0 Unknown, 0 Unchecked, 1.8s Time] [2024-11-28 03:18:55,140 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 707 states. [2024-11-28 03:18:55,208 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 707 to 707. [2024-11-28 03:18:55,210 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 707 states, 523 states have (on average 1.349904397705545) internal successors, (706), 533 states have internal predecessors, (706), 140 states have call successors, (140), 44 states have call predecessors, (140), 43 states have return successors, (137), 135 states have call predecessors, (137), 137 states have call successors, (137) [2024-11-28 03:18:55,221 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 707 states to 707 states and 983 transitions. [2024-11-28 03:18:55,221 INFO L78 Accepts]: Start accepts. Automaton has 707 states and 983 transitions. Word has length 15 [2024-11-28 03:18:55,221 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-28 03:18:55,222 INFO L471 AbstractCegarLoop]: Abstraction has 707 states and 983 transitions. [2024-11-28 03:18:55,222 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 4.0) internal successors, (12), 3 states have internal predecessors, (12), 2 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2024-11-28 03:18:55,224 INFO L276 IsEmpty]: Start isEmpty. Operand 707 states and 983 transitions. [2024-11-28 03:18:55,224 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2024-11-28 03:18:55,224 INFO L210 NwaCegarLoop]: Found error trace [2024-11-28 03:18:55,224 INFO L218 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-28 03:18:55,225 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-11-28 03:18:55,225 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-28 03:18:55,225 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 03:18:55,225 INFO L85 PathProgramCache]: Analyzing trace with hash -1575426473, now seen corresponding path program 1 times [2024-11-28 03:18:55,225 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 03:18:55,225 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1665137853] [2024-11-28 03:18:55,225 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 03:18:55,226 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 03:18:55,397 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 03:18:55,523 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-28 03:18:55,523 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 03:18:55,523 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1665137853] [2024-11-28 03:18:55,523 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1665137853] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-28 03:18:55,523 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-28 03:18:55,524 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-28 03:18:55,524 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2034155107] [2024-11-28 03:18:55,524 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 03:18:55,524 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-28 03:18:55,524 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 03:18:55,525 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-28 03:18:55,525 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-28 03:18:55,525 INFO L87 Difference]: Start difference. First operand 707 states and 983 transitions. Second operand has 3 states, 3 states have (on average 4.333333333333333) internal successors, (13), 3 states have internal predecessors, (13), 2 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2024-11-28 03:18:57,356 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.83s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-28 03:18:57,523 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-28 03:18:57,524 INFO L93 Difference]: Finished difference Result 2049 states and 2871 transitions. [2024-11-28 03:18:57,524 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-28 03:18:57,524 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 4.333333333333333) internal successors, (13), 3 states have internal predecessors, (13), 2 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 16 [2024-11-28 03:18:57,525 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-28 03:18:57,534 INFO L225 Difference]: With dead ends: 2049 [2024-11-28 03:18:57,534 INFO L226 Difference]: Without dead ends: 1342 [2024-11-28 03:18:57,537 INFO L434 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 [2024-11-28 03:18:57,538 INFO L435 NwaCegarLoop]: 1513 mSDtfsCounter, 970 mSDsluCounter, 895 mSDsCounter, 0 mSdLazyCounter, 8 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 970 SdHoareTripleChecker+Valid, 2408 SdHoareTripleChecker+Invalid, 12 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 8 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.9s IncrementalHoareTripleChecker+Time [2024-11-28 03:18:57,538 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [970 Valid, 2408 Invalid, 12 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 8 Invalid, 0 Unknown, 0 Unchecked, 1.9s Time] [2024-11-28 03:18:57,541 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1342 states. [2024-11-28 03:18:57,692 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1342 to 1339. [2024-11-28 03:18:57,695 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1339 states, 994 states have (on average 1.3490945674044266) internal successors, (1341), 1012 states have internal predecessors, (1341), 264 states have call successors, (264), 82 states have call predecessors, (264), 80 states have return successors, (268), 254 states have call predecessors, (268), 258 states have call successors, (268) [2024-11-28 03:18:57,708 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1339 states to 1339 states and 1873 transitions. [2024-11-28 03:18:57,710 INFO L78 Accepts]: Start accepts. Automaton has 1339 states and 1873 transitions. Word has length 16 [2024-11-28 03:18:57,711 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-28 03:18:57,711 INFO L471 AbstractCegarLoop]: Abstraction has 1339 states and 1873 transitions. [2024-11-28 03:18:57,711 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 4.333333333333333) internal successors, (13), 3 states have internal predecessors, (13), 2 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2024-11-28 03:18:57,711 INFO L276 IsEmpty]: Start isEmpty. Operand 1339 states and 1873 transitions. [2024-11-28 03:18:57,716 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 45 [2024-11-28 03:18:57,717 INFO L210 NwaCegarLoop]: Found error trace [2024-11-28 03:18:57,717 INFO L218 NwaCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-28 03:18:57,717 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2024-11-28 03:18:57,717 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-28 03:18:57,719 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 03:18:57,719 INFO L85 PathProgramCache]: Analyzing trace with hash 1565403306, now seen corresponding path program 1 times [2024-11-28 03:18:57,719 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 03:18:57,719 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [876410349] [2024-11-28 03:18:57,719 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 03:18:57,719 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 03:18:57,899 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 03:18:58,086 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2024-11-28 03:18:58,086 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 03:18:58,086 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [876410349] [2024-11-28 03:18:58,086 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [876410349] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-28 03:18:58,086 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-28 03:18:58,086 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-28 03:18:58,087 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [641745265] [2024-11-28 03:18:58,087 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 03:18:58,088 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-28 03:18:58,088 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 03:18:58,089 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-28 03:18:58,089 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-28 03:18:58,089 INFO L87 Difference]: Start difference. First operand 1339 states and 1873 transitions. Second operand has 3 states, 3 states have (on average 11.0) internal successors, (33), 3 states have internal predecessors, (33), 2 states have call successors, (6), 2 states have call predecessors, (6), 1 states have return successors, (4), 2 states have call predecessors, (4), 2 states have call successors, (4) [2024-11-28 03:18:58,256 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-28 03:18:58,256 INFO L93 Difference]: Finished difference Result 2749 states and 3862 transitions. [2024-11-28 03:18:58,257 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-28 03:18:58,257 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 11.0) internal successors, (33), 3 states have internal predecessors, (33), 2 states have call successors, (6), 2 states have call predecessors, (6), 1 states have return successors, (4), 2 states have call predecessors, (4), 2 states have call successors, (4) Word has length 44 [2024-11-28 03:18:58,257 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-28 03:18:58,274 INFO L225 Difference]: With dead ends: 2749 [2024-11-28 03:18:58,274 INFO L226 Difference]: Without dead ends: 1418 [2024-11-28 03:18:58,280 INFO L434 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 [2024-11-28 03:18:58,281 INFO L435 NwaCegarLoop]: 985 mSDtfsCounter, 54 mSDsluCounter, 947 mSDsCounter, 0 mSdLazyCounter, 19 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 65 SdHoareTripleChecker+Valid, 1932 SdHoareTripleChecker+Invalid, 24 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 19 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-28 03:18:58,282 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [65 Valid, 1932 Invalid, 24 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 19 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-28 03:18:58,288 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1418 states. [2024-11-28 03:18:58,390 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1418 to 1409. [2024-11-28 03:18:58,393 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1409 states, 1054 states have (on average 1.3510436432637571) internal successors, (1424), 1072 states have internal predecessors, (1424), 274 states have call successors, (274), 82 states have call predecessors, (274), 80 states have return successors, (282), 264 states have call predecessors, (282), 268 states have call successors, (282) [2024-11-28 03:18:58,410 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1409 states to 1409 states and 1980 transitions. [2024-11-28 03:18:58,412 INFO L78 Accepts]: Start accepts. Automaton has 1409 states and 1980 transitions. Word has length 44 [2024-11-28 03:18:58,412 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-28 03:18:58,413 INFO L471 AbstractCegarLoop]: Abstraction has 1409 states and 1980 transitions. [2024-11-28 03:18:58,413 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 11.0) internal successors, (33), 3 states have internal predecessors, (33), 2 states have call successors, (6), 2 states have call predecessors, (6), 1 states have return successors, (4), 2 states have call predecessors, (4), 2 states have call successors, (4) [2024-11-28 03:18:58,413 INFO L276 IsEmpty]: Start isEmpty. Operand 1409 states and 1980 transitions. [2024-11-28 03:18:58,419 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 56 [2024-11-28 03:18:58,419 INFO L210 NwaCegarLoop]: Found error trace [2024-11-28 03:18:58,419 INFO L218 NwaCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-28 03:18:58,419 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2024-11-28 03:18:58,420 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-28 03:18:58,420 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 03:18:58,420 INFO L85 PathProgramCache]: Analyzing trace with hash 620108975, now seen corresponding path program 1 times [2024-11-28 03:18:58,420 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 03:18:58,420 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1492487396] [2024-11-28 03:18:58,420 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 03:18:58,420 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 03:18:58,625 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 03:18:58,843 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2024-11-28 03:18:58,843 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 03:18:58,843 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1492487396] [2024-11-28 03:18:58,843 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1492487396] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-28 03:18:58,843 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-28 03:18:58,843 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-28 03:18:58,843 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1719757753] [2024-11-28 03:18:58,844 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 03:18:58,844 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-28 03:18:58,844 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 03:18:58,844 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-28 03:18:58,844 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-28 03:18:58,845 INFO L87 Difference]: Start difference. First operand 1409 states and 1980 transitions. Second operand has 3 states, 3 states have (on average 14.333333333333334) internal successors, (43), 3 states have internal predecessors, (43), 3 states have call successors, (7), 3 states have call predecessors, (7), 2 states have return successors, (4), 2 states have call predecessors, (4), 1 states have call successors, (4) [2024-11-28 03:18:59,896 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.05s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-28 03:19:00,035 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-28 03:19:00,036 INFO L93 Difference]: Finished difference Result 2812 states and 3952 transitions. [2024-11-28 03:19:00,036 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-28 03:19:00,036 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 14.333333333333334) internal successors, (43), 3 states have internal predecessors, (43), 3 states have call successors, (7), 3 states have call predecessors, (7), 2 states have return successors, (4), 2 states have call predecessors, (4), 1 states have call successors, (4) Word has length 55 [2024-11-28 03:19:00,037 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-28 03:19:00,047 INFO L225 Difference]: With dead ends: 2812 [2024-11-28 03:19:00,047 INFO L226 Difference]: Without dead ends: 1411 [2024-11-28 03:19:00,055 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-28 03:19:00,056 INFO L435 NwaCegarLoop]: 1174 mSDtfsCounter, 882 mSDsluCounter, 959 mSDsCounter, 0 mSdLazyCounter, 8 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 882 SdHoareTripleChecker+Valid, 2133 SdHoareTripleChecker+Invalid, 9 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 8 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.1s IncrementalHoareTripleChecker+Time [2024-11-28 03:19:00,056 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [882 Valid, 2133 Invalid, 9 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 8 Invalid, 0 Unknown, 0 Unchecked, 1.1s Time] [2024-11-28 03:19:00,058 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1411 states. [2024-11-28 03:19:00,127 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1411 to 1402. [2024-11-28 03:19:00,130 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1402 states, 1051 states have (on average 1.3501427212178878) internal successors, (1419), 1067 states have internal predecessors, (1419), 270 states have call successors, (270), 82 states have call predecessors, (270), 80 states have return successors, (266), 262 states have call predecessors, (266), 259 states have call successors, (266) [2024-11-28 03:19:00,143 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1402 states to 1402 states and 1955 transitions. [2024-11-28 03:19:00,144 INFO L78 Accepts]: Start accepts. Automaton has 1402 states and 1955 transitions. Word has length 55 [2024-11-28 03:19:00,145 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-28 03:19:00,145 INFO L471 AbstractCegarLoop]: Abstraction has 1402 states and 1955 transitions. [2024-11-28 03:19:00,145 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 14.333333333333334) internal successors, (43), 3 states have internal predecessors, (43), 3 states have call successors, (7), 3 states have call predecessors, (7), 2 states have return successors, (4), 2 states have call predecessors, (4), 1 states have call successors, (4) [2024-11-28 03:19:00,145 INFO L276 IsEmpty]: Start isEmpty. Operand 1402 states and 1955 transitions. [2024-11-28 03:19:00,149 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 54 [2024-11-28 03:19:00,149 INFO L210 NwaCegarLoop]: Found error trace [2024-11-28 03:19:00,149 INFO L218 NwaCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-28 03:19:00,149 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2024-11-28 03:19:00,150 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-28 03:19:00,150 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 03:19:00,150 INFO L85 PathProgramCache]: Analyzing trace with hash 1055784839, now seen corresponding path program 1 times [2024-11-28 03:19:00,150 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 03:19:00,150 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1684620981] [2024-11-28 03:19:00,150 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 03:19:00,150 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 03:19:00,401 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 03:19:00,872 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2024-11-28 03:19:00,872 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 03:19:00,872 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1684620981] [2024-11-28 03:19:00,872 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1684620981] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-28 03:19:00,872 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-28 03:19:00,873 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2024-11-28 03:19:00,873 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [497318187] [2024-11-28 03:19:00,873 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 03:19:00,874 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-28 03:19:00,874 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 03:19:00,875 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-28 03:19:00,875 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2024-11-28 03:19:00,876 INFO L87 Difference]: Start difference. First operand 1402 states and 1955 transitions. Second operand has 6 states, 6 states have (on average 6.833333333333333) internal successors, (41), 5 states have internal predecessors, (41), 2 states have call successors, (7), 2 states have call predecessors, (7), 2 states have return successors, (4), 2 states have call predecessors, (4), 1 states have call successors, (4) [2024-11-28 03:19:01,144 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-28 03:19:01,145 INFO L93 Difference]: Finished difference Result 1532 states and 2107 transitions. [2024-11-28 03:19:01,145 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-28 03:19:01,145 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 6.833333333333333) internal successors, (41), 5 states have internal predecessors, (41), 2 states have call successors, (7), 2 states have call predecessors, (7), 2 states have return successors, (4), 2 states have call predecessors, (4), 1 states have call successors, (4) Word has length 53 [2024-11-28 03:19:01,147 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-28 03:19:01,155 INFO L225 Difference]: With dead ends: 1532 [2024-11-28 03:19:01,155 INFO L226 Difference]: Without dead ends: 1174 [2024-11-28 03:19:01,157 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2024-11-28 03:19:01,158 INFO L435 NwaCegarLoop]: 992 mSDtfsCounter, 2 mSDsluCounter, 3918 mSDsCounter, 0 mSdLazyCounter, 52 mSolverCounterSat, 9 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4 SdHoareTripleChecker+Valid, 4910 SdHoareTripleChecker+Invalid, 61 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 9 IncrementalHoareTripleChecker+Valid, 52 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-11-28 03:19:01,159 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [4 Valid, 4910 Invalid, 61 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [9 Valid, 52 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-11-28 03:19:01,161 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1174 states. [2024-11-28 03:19:01,220 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1174 to 1169. [2024-11-28 03:19:01,222 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1169 states, 878 states have (on average 1.328018223234624) internal successors, (1166), 890 states have internal predecessors, (1166), 218 states have call successors, (218), 74 states have call predecessors, (218), 72 states have return successors, (215), 213 states have call predecessors, (215), 208 states have call successors, (215) [2024-11-28 03:19:01,232 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1169 states to 1169 states and 1599 transitions. [2024-11-28 03:19:01,233 INFO L78 Accepts]: Start accepts. Automaton has 1169 states and 1599 transitions. Word has length 53 [2024-11-28 03:19:01,234 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-28 03:19:01,234 INFO L471 AbstractCegarLoop]: Abstraction has 1169 states and 1599 transitions. [2024-11-28 03:19:01,235 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 6.833333333333333) internal successors, (41), 5 states have internal predecessors, (41), 2 states have call successors, (7), 2 states have call predecessors, (7), 2 states have return successors, (4), 2 states have call predecessors, (4), 1 states have call successors, (4) [2024-11-28 03:19:01,235 INFO L276 IsEmpty]: Start isEmpty. Operand 1169 states and 1599 transitions. [2024-11-28 03:19:01,239 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 59 [2024-11-28 03:19:01,240 INFO L210 NwaCegarLoop]: Found error trace [2024-11-28 03:19:01,240 INFO L218 NwaCegarLoop]: trace histogram [3, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-28 03:19:01,240 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2024-11-28 03:19:01,241 INFO L396 AbstractCegarLoop]: === Iteration 7 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-28 03:19:01,241 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 03:19:01,242 INFO L85 PathProgramCache]: Analyzing trace with hash 657213630, now seen corresponding path program 1 times [2024-11-28 03:19:01,242 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 03:19:01,242 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1332648130] [2024-11-28 03:19:01,242 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 03:19:01,242 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 03:19:01,416 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 03:19:01,709 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2024-11-28 03:19:01,709 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 03:19:01,709 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1332648130] [2024-11-28 03:19:01,709 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1332648130] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-28 03:19:01,709 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-28 03:19:01,709 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2024-11-28 03:19:01,709 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [752096495] [2024-11-28 03:19:01,710 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 03:19:01,710 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-28 03:19:01,710 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 03:19:01,711 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-28 03:19:01,711 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2024-11-28 03:19:01,711 INFO L87 Difference]: Start difference. First operand 1169 states and 1599 transitions. Second operand has 6 states, 6 states have (on average 7.166666666666667) internal successors, (43), 5 states have internal predecessors, (43), 2 states have call successors, (7), 2 states have call predecessors, (7), 3 states have return successors, (6), 3 states have call predecessors, (6), 2 states have call successors, (6) [2024-11-28 03:19:01,944 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-28 03:19:01,944 INFO L93 Difference]: Finished difference Result 1411 states and 1922 transitions. [2024-11-28 03:19:01,945 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-28 03:19:01,945 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 7.166666666666667) internal successors, (43), 5 states have internal predecessors, (43), 2 states have call successors, (7), 2 states have call predecessors, (7), 3 states have return successors, (6), 3 states have call predecessors, (6), 2 states have call successors, (6) Word has length 58 [2024-11-28 03:19:01,945 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-28 03:19:01,953 INFO L225 Difference]: With dead ends: 1411 [2024-11-28 03:19:01,953 INFO L226 Difference]: Without dead ends: 1164 [2024-11-28 03:19:01,954 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2024-11-28 03:19:01,955 INFO L435 NwaCegarLoop]: 984 mSDtfsCounter, 134 mSDsluCounter, 3736 mSDsCounter, 0 mSdLazyCounter, 54 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 164 SdHoareTripleChecker+Valid, 4720 SdHoareTripleChecker+Invalid, 56 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 54 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-28 03:19:01,955 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [164 Valid, 4720 Invalid, 56 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 54 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-28 03:19:01,957 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1164 states. [2024-11-28 03:19:02,015 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1164 to 1159. [2024-11-28 03:19:02,018 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1159 states, 869 states have (on average 1.3302646720368239) internal successors, (1156), 884 states have internal predecessors, (1156), 218 states have call successors, (218), 74 states have call predecessors, (218), 71 states have return successors, (211), 209 states have call predecessors, (211), 208 states have call successors, (211) [2024-11-28 03:19:02,026 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1159 states to 1159 states and 1585 transitions. [2024-11-28 03:19:02,027 INFO L78 Accepts]: Start accepts. Automaton has 1159 states and 1585 transitions. Word has length 58 [2024-11-28 03:19:02,028 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-28 03:19:02,028 INFO L471 AbstractCegarLoop]: Abstraction has 1159 states and 1585 transitions. [2024-11-28 03:19:02,028 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 7.166666666666667) internal successors, (43), 5 states have internal predecessors, (43), 2 states have call successors, (7), 2 states have call predecessors, (7), 3 states have return successors, (6), 3 states have call predecessors, (6), 2 states have call successors, (6) [2024-11-28 03:19:02,028 INFO L276 IsEmpty]: Start isEmpty. Operand 1159 states and 1585 transitions. [2024-11-28 03:19:02,031 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 76 [2024-11-28 03:19:02,031 INFO L210 NwaCegarLoop]: Found error trace [2024-11-28 03:19:02,031 INFO L218 NwaCegarLoop]: trace histogram [3, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-28 03:19:02,032 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2024-11-28 03:19:02,032 INFO L396 AbstractCegarLoop]: === Iteration 8 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-28 03:19:02,032 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 03:19:02,032 INFO L85 PathProgramCache]: Analyzing trace with hash -1326064945, now seen corresponding path program 1 times [2024-11-28 03:19:02,032 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 03:19:02,033 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [369545980] [2024-11-28 03:19:02,033 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 03:19:02,033 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 03:19:02,212 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 03:19:02,373 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2024-11-28 03:19:02,374 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 03:19:02,374 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [369545980] [2024-11-28 03:19:02,374 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [369545980] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-28 03:19:02,374 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-28 03:19:02,374 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-28 03:19:02,374 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1938345350] [2024-11-28 03:19:02,375 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 03:19:02,375 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-28 03:19:02,376 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 03:19:02,377 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-28 03:19:02,377 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-28 03:19:02,377 INFO L87 Difference]: Start difference. First operand 1159 states and 1585 transitions. Second operand has 4 states, 4 states have (on average 13.75) internal successors, (55), 4 states have internal predecessors, (55), 3 states have call successors, (10), 2 states have call predecessors, (10), 1 states have return successors, (8), 3 states have call predecessors, (8), 3 states have call successors, (8) [2024-11-28 03:19:02,489 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-28 03:19:02,490 INFO L93 Difference]: Finished difference Result 2316 states and 3170 transitions. [2024-11-28 03:19:02,490 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-28 03:19:02,490 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 13.75) internal successors, (55), 4 states have internal predecessors, (55), 3 states have call successors, (10), 2 states have call predecessors, (10), 1 states have return successors, (8), 3 states have call predecessors, (8), 3 states have call successors, (8) Word has length 75 [2024-11-28 03:19:02,492 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-28 03:19:02,500 INFO L225 Difference]: With dead ends: 2316 [2024-11-28 03:19:02,501 INFO L226 Difference]: Without dead ends: 1162 [2024-11-28 03:19:02,505 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-28 03:19:02,506 INFO L435 NwaCegarLoop]: 980 mSDtfsCounter, 0 mSDsluCounter, 1955 mSDsCounter, 0 mSdLazyCounter, 10 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 2935 SdHoareTripleChecker+Invalid, 10 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 10 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-28 03:19:02,506 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 2935 Invalid, 10 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 10 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-28 03:19:02,508 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1162 states. [2024-11-28 03:19:02,563 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1162 to 1162. [2024-11-28 03:19:02,565 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1162 states, 871 states have (on average 1.328358208955224) internal successors, (1157), 886 states have internal predecessors, (1157), 219 states have call successors, (219), 74 states have call predecessors, (219), 71 states have return successors, (212), 210 states have call predecessors, (212), 209 states have call successors, (212) [2024-11-28 03:19:02,600 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1162 states to 1162 states and 1588 transitions. [2024-11-28 03:19:02,602 INFO L78 Accepts]: Start accepts. Automaton has 1162 states and 1588 transitions. Word has length 75 [2024-11-28 03:19:02,603 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-28 03:19:02,603 INFO L471 AbstractCegarLoop]: Abstraction has 1162 states and 1588 transitions. [2024-11-28 03:19:02,603 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 13.75) internal successors, (55), 4 states have internal predecessors, (55), 3 states have call successors, (10), 2 states have call predecessors, (10), 1 states have return successors, (8), 3 states have call predecessors, (8), 3 states have call successors, (8) [2024-11-28 03:19:02,603 INFO L276 IsEmpty]: Start isEmpty. Operand 1162 states and 1588 transitions. [2024-11-28 03:19:02,607 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 89 [2024-11-28 03:19:02,608 INFO L210 NwaCegarLoop]: Found error trace [2024-11-28 03:19:02,608 INFO L218 NwaCegarLoop]: trace histogram [3, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-28 03:19:02,608 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2024-11-28 03:19:02,608 INFO L396 AbstractCegarLoop]: === Iteration 9 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-28 03:19:02,609 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 03:19:02,609 INFO L85 PathProgramCache]: Analyzing trace with hash -1839172203, now seen corresponding path program 1 times [2024-11-28 03:19:02,609 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 03:19:02,610 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2125098801] [2024-11-28 03:19:02,610 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 03:19:02,610 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 03:19:02,784 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 03:19:03,137 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 13 trivial. 0 not checked. [2024-11-28 03:19:03,138 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 03:19:03,138 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2125098801] [2024-11-28 03:19:03,138 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2125098801] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-28 03:19:03,138 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-28 03:19:03,138 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2024-11-28 03:19:03,138 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2065864357] [2024-11-28 03:19:03,139 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 03:19:03,139 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-28 03:19:03,139 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 03:19:03,140 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-28 03:19:03,140 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2024-11-28 03:19:03,141 INFO L87 Difference]: Start difference. First operand 1162 states and 1588 transitions. Second operand has 6 states, 6 states have (on average 9.833333333333334) internal successors, (59), 5 states have internal predecessors, (59), 2 states have call successors, (12), 2 states have call predecessors, (12), 2 states have return successors, (10), 2 states have call predecessors, (10), 1 states have call successors, (10) [2024-11-28 03:19:03,350 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-28 03:19:03,350 INFO L93 Difference]: Finished difference Result 2295 states and 3138 transitions. [2024-11-28 03:19:03,350 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-28 03:19:03,351 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 9.833333333333334) internal successors, (59), 5 states have internal predecessors, (59), 2 states have call successors, (12), 2 states have call predecessors, (12), 2 states have return successors, (10), 2 states have call predecessors, (10), 1 states have call successors, (10) Word has length 88 [2024-11-28 03:19:03,351 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-28 03:19:03,361 INFO L225 Difference]: With dead ends: 2295 [2024-11-28 03:19:03,361 INFO L226 Difference]: Without dead ends: 1141 [2024-11-28 03:19:03,366 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2024-11-28 03:19:03,367 INFO L435 NwaCegarLoop]: 984 mSDtfsCounter, 3 mSDsluCounter, 3914 mSDsCounter, 0 mSdLazyCounter, 39 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 5 SdHoareTripleChecker+Valid, 4898 SdHoareTripleChecker+Invalid, 43 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 39 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-28 03:19:03,368 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [5 Valid, 4898 Invalid, 43 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 39 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-28 03:19:03,370 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1141 states. [2024-11-28 03:19:03,425 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1141 to 1140. [2024-11-28 03:19:03,428 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1140 states, 850 states have (on average 1.3247058823529412) internal successors, (1126), 864 states have internal predecessors, (1126), 218 states have call successors, (218), 74 states have call predecessors, (218), 71 states have return successors, (212), 210 states have call predecessors, (212), 209 states have call successors, (212) [2024-11-28 03:19:03,435 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1140 states to 1140 states and 1556 transitions. [2024-11-28 03:19:03,438 INFO L78 Accepts]: Start accepts. Automaton has 1140 states and 1556 transitions. Word has length 88 [2024-11-28 03:19:03,438 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-28 03:19:03,438 INFO L471 AbstractCegarLoop]: Abstraction has 1140 states and 1556 transitions. [2024-11-28 03:19:03,438 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 9.833333333333334) internal successors, (59), 5 states have internal predecessors, (59), 2 states have call successors, (12), 2 states have call predecessors, (12), 2 states have return successors, (10), 2 states have call predecessors, (10), 1 states have call successors, (10) [2024-11-28 03:19:03,440 INFO L276 IsEmpty]: Start isEmpty. Operand 1140 states and 1556 transitions. [2024-11-28 03:19:03,443 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 91 [2024-11-28 03:19:03,443 INFO L210 NwaCegarLoop]: Found error trace [2024-11-28 03:19:03,443 INFO L218 NwaCegarLoop]: trace histogram [3, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-28 03:19:03,444 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2024-11-28 03:19:03,444 INFO L396 AbstractCegarLoop]: === Iteration 10 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-28 03:19:03,444 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 03:19:03,444 INFO L85 PathProgramCache]: Analyzing trace with hash -703471364, now seen corresponding path program 1 times [2024-11-28 03:19:03,444 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 03:19:03,445 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [396242464] [2024-11-28 03:19:03,445 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 03:19:03,445 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 03:19:03,642 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 03:19:03,837 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2024-11-28 03:19:03,838 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 03:19:03,838 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [396242464] [2024-11-28 03:19:03,839 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [396242464] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-28 03:19:03,839 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1965923553] [2024-11-28 03:19:03,839 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 03:19:03,839 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-28 03:19:03,839 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_52e51942-9f89-498f-b27e-2f77c6d54ccb/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-28 03:19:03,842 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_52e51942-9f89-498f-b27e-2f77c6d54ccb/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-28 03:19:03,846 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_52e51942-9f89-498f-b27e-2f77c6d54ccb/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2024-11-28 03:19:04,729 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 03:19:04,735 INFO L256 TraceCheckSpWp]: Trace formula consists of 969 conjuncts, 3 conjuncts are in the unsatisfiable core [2024-11-28 03:19:04,742 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-28 03:19:04,935 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 4 proven. 4 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-11-28 03:19:04,935 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-11-28 03:19:05,241 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2024-11-28 03:19:05,241 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1965923553] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-28 03:19:05,241 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-28 03:19:05,241 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [4, 4, 4] total 5 [2024-11-28 03:19:05,242 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [898835122] [2024-11-28 03:19:05,242 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-28 03:19:05,242 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-28 03:19:05,242 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 03:19:05,243 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-28 03:19:05,243 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=10, Unknown=0, NotChecked=0, Total=20 [2024-11-28 03:19:05,243 INFO L87 Difference]: Start difference. First operand 1140 states and 1556 transitions. Second operand has 5 states, 5 states have (on average 18.6) internal successors, (93), 5 states have internal predecessors, (93), 4 states have call successors, (21), 2 states have call predecessors, (21), 2 states have return successors, (19), 4 states have call predecessors, (19), 4 states have call successors, (19) [2024-11-28 03:19:05,557 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-28 03:19:05,557 INFO L93 Difference]: Finished difference Result 2429 states and 3342 transitions. [2024-11-28 03:19:05,557 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-28 03:19:05,558 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 18.6) internal successors, (93), 5 states have internal predecessors, (93), 4 states have call successors, (21), 2 states have call predecessors, (21), 2 states have return successors, (19), 4 states have call predecessors, (19), 4 states have call successors, (19) Word has length 90 [2024-11-28 03:19:05,558 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-28 03:19:05,567 INFO L225 Difference]: With dead ends: 2429 [2024-11-28 03:19:05,567 INFO L226 Difference]: Without dead ends: 1297 [2024-11-28 03:19:05,572 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 182 GetRequests, 177 SyntacticMatches, 2 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=10, Invalid=10, Unknown=0, NotChecked=0, Total=20 [2024-11-28 03:19:05,573 INFO L435 NwaCegarLoop]: 983 mSDtfsCounter, 295 mSDsluCounter, 1011 mSDsCounter, 0 mSdLazyCounter, 60 mSolverCounterSat, 27 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 327 SdHoareTripleChecker+Valid, 1994 SdHoareTripleChecker+Invalid, 87 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 27 IncrementalHoareTripleChecker+Valid, 60 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-11-28 03:19:05,573 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [327 Valid, 1994 Invalid, 87 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [27 Valid, 60 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-11-28 03:19:05,575 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1297 states. [2024-11-28 03:19:05,660 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1297 to 1258. [2024-11-28 03:19:05,663 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1258 states, 956 states have (on average 1.3430962343096233) internal successors, (1284), 970 states have internal predecessors, (1284), 230 states have call successors, (230), 74 states have call predecessors, (230), 71 states have return successors, (224), 222 states have call predecessors, (224), 221 states have call successors, (224) [2024-11-28 03:19:05,670 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1258 states to 1258 states and 1738 transitions. [2024-11-28 03:19:05,673 INFO L78 Accepts]: Start accepts. Automaton has 1258 states and 1738 transitions. Word has length 90 [2024-11-28 03:19:05,674 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-28 03:19:05,674 INFO L471 AbstractCegarLoop]: Abstraction has 1258 states and 1738 transitions. [2024-11-28 03:19:05,674 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 18.6) internal successors, (93), 5 states have internal predecessors, (93), 4 states have call successors, (21), 2 states have call predecessors, (21), 2 states have return successors, (19), 4 states have call predecessors, (19), 4 states have call successors, (19) [2024-11-28 03:19:05,674 INFO L276 IsEmpty]: Start isEmpty. Operand 1258 states and 1738 transitions. [2024-11-28 03:19:05,679 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 100 [2024-11-28 03:19:05,679 INFO L210 NwaCegarLoop]: Found error trace [2024-11-28 03:19:05,679 INFO L218 NwaCegarLoop]: trace histogram [4, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-28 03:19:05,691 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_52e51942-9f89-498f-b27e-2f77c6d54ccb/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Ended with exit code 0 [2024-11-28 03:19:05,879 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_52e51942-9f89-498f-b27e-2f77c6d54ccb/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable9 [2024-11-28 03:19:05,880 INFO L396 AbstractCegarLoop]: === Iteration 11 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-28 03:19:05,881 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 03:19:05,881 INFO L85 PathProgramCache]: Analyzing trace with hash 821600570, now seen corresponding path program 1 times [2024-11-28 03:19:05,881 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 03:19:05,881 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [502912798] [2024-11-28 03:19:05,881 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 03:19:05,881 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 03:19:06,045 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 03:19:06,337 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2024-11-28 03:19:06,337 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 03:19:06,338 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [502912798] [2024-11-28 03:19:06,338 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [502912798] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-28 03:19:06,338 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-28 03:19:06,338 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2024-11-28 03:19:06,338 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1326564776] [2024-11-28 03:19:06,338 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 03:19:06,339 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-28 03:19:06,339 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 03:19:06,339 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-28 03:19:06,339 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2024-11-28 03:19:06,340 INFO L87 Difference]: Start difference. First operand 1258 states and 1738 transitions. Second operand has 6 states, 6 states have (on average 10.666666666666666) internal successors, (64), 5 states have internal predecessors, (64), 2 states have call successors, (13), 2 states have call predecessors, (13), 2 states have return successors, (12), 3 states have call predecessors, (12), 2 states have call successors, (12) [2024-11-28 03:19:06,514 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-28 03:19:06,514 INFO L93 Difference]: Finished difference Result 2509 states and 3469 transitions. [2024-11-28 03:19:06,515 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-28 03:19:06,515 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 10.666666666666666) internal successors, (64), 5 states have internal predecessors, (64), 2 states have call successors, (13), 2 states have call predecessors, (13), 2 states have return successors, (12), 3 states have call predecessors, (12), 2 states have call successors, (12) Word has length 99 [2024-11-28 03:19:06,516 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-28 03:19:06,526 INFO L225 Difference]: With dead ends: 2509 [2024-11-28 03:19:06,527 INFO L226 Difference]: Without dead ends: 1259 [2024-11-28 03:19:06,532 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2024-11-28 03:19:06,533 INFO L435 NwaCegarLoop]: 978 mSDtfsCounter, 21 mSDsluCounter, 3870 mSDsCounter, 0 mSdLazyCounter, 33 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 27 SdHoareTripleChecker+Valid, 4848 SdHoareTripleChecker+Invalid, 35 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 33 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-28 03:19:06,533 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [27 Valid, 4848 Invalid, 35 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 33 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-28 03:19:06,535 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1259 states. [2024-11-28 03:19:06,596 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1259 to 1259. [2024-11-28 03:19:06,599 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1259 states, 957 states have (on average 1.341692789968652) internal successors, (1284), 971 states have internal predecessors, (1284), 230 states have call successors, (230), 74 states have call predecessors, (230), 71 states have return successors, (224), 222 states have call predecessors, (224), 221 states have call successors, (224) [2024-11-28 03:19:06,606 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1259 states to 1259 states and 1738 transitions. [2024-11-28 03:19:06,608 INFO L78 Accepts]: Start accepts. Automaton has 1259 states and 1738 transitions. Word has length 99 [2024-11-28 03:19:06,609 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-28 03:19:06,609 INFO L471 AbstractCegarLoop]: Abstraction has 1259 states and 1738 transitions. [2024-11-28 03:19:06,609 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 10.666666666666666) internal successors, (64), 5 states have internal predecessors, (64), 2 states have call successors, (13), 2 states have call predecessors, (13), 2 states have return successors, (12), 3 states have call predecessors, (12), 2 states have call successors, (12) [2024-11-28 03:19:06,609 INFO L276 IsEmpty]: Start isEmpty. Operand 1259 states and 1738 transitions. [2024-11-28 03:19:06,615 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 124 [2024-11-28 03:19:06,615 INFO L210 NwaCegarLoop]: Found error trace [2024-11-28 03:19:06,615 INFO L218 NwaCegarLoop]: trace histogram [4, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-28 03:19:06,615 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2024-11-28 03:19:06,616 INFO L396 AbstractCegarLoop]: === Iteration 12 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-28 03:19:06,616 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 03:19:06,616 INFO L85 PathProgramCache]: Analyzing trace with hash 1722017856, now seen corresponding path program 1 times [2024-11-28 03:19:06,616 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 03:19:06,616 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [878683071] [2024-11-28 03:19:06,616 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 03:19:06,616 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 03:19:06,890 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 03:19:07,393 INFO L134 CoverageAnalysis]: Checked inductivity of 40 backedges. 9 proven. 2 refuted. 0 times theorem prover too weak. 29 trivial. 0 not checked. [2024-11-28 03:19:07,393 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 03:19:07,394 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [878683071] [2024-11-28 03:19:07,394 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [878683071] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-28 03:19:07,394 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1866231880] [2024-11-28 03:19:07,394 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 03:19:07,394 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-28 03:19:07,394 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_52e51942-9f89-498f-b27e-2f77c6d54ccb/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-28 03:19:07,397 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_52e51942-9f89-498f-b27e-2f77c6d54ccb/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-28 03:19:07,401 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_52e51942-9f89-498f-b27e-2f77c6d54ccb/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2024-11-28 03:19:08,302 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 03:19:08,310 INFO L256 TraceCheckSpWp]: Trace formula consists of 1122 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-28 03:19:08,315 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-28 03:19:08,370 INFO L134 CoverageAnalysis]: Checked inductivity of 40 backedges. 24 proven. 0 refuted. 0 times theorem prover too weak. 16 trivial. 0 not checked. [2024-11-28 03:19:08,370 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-28 03:19:08,370 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1866231880] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-28 03:19:08,371 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-28 03:19:08,371 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [8] total 8 [2024-11-28 03:19:08,371 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1231248899] [2024-11-28 03:19:08,371 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 03:19:08,372 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2024-11-28 03:19:08,372 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 03:19:08,372 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2024-11-28 03:19:08,372 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=43, Unknown=0, NotChecked=0, Total=56 [2024-11-28 03:19:08,373 INFO L87 Difference]: Start difference. First operand 1259 states and 1738 transitions. Second operand has 8 states, 8 states have (on average 10.5) internal successors, (84), 7 states have internal predecessors, (84), 3 states have call successors, (16), 2 states have call predecessors, (16), 3 states have return successors, (14), 4 states have call predecessors, (14), 3 states have call successors, (14) [2024-11-28 03:19:08,658 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-28 03:19:08,658 INFO L93 Difference]: Finished difference Result 2514 states and 3472 transitions. [2024-11-28 03:19:08,659 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-11-28 03:19:08,659 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 10.5) internal successors, (84), 7 states have internal predecessors, (84), 3 states have call successors, (16), 2 states have call predecessors, (16), 3 states have return successors, (14), 4 states have call predecessors, (14), 3 states have call successors, (14) Word has length 123 [2024-11-28 03:19:08,660 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-28 03:19:08,668 INFO L225 Difference]: With dead ends: 2514 [2024-11-28 03:19:08,668 INFO L226 Difference]: Without dead ends: 1251 [2024-11-28 03:19:08,673 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 130 GetRequests, 124 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=13, Invalid=43, Unknown=0, NotChecked=0, Total=56 [2024-11-28 03:19:08,673 INFO L435 NwaCegarLoop]: 981 mSDtfsCounter, 3 mSDsluCounter, 5862 mSDsCounter, 0 mSdLazyCounter, 64 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 5 SdHoareTripleChecker+Valid, 6843 SdHoareTripleChecker+Invalid, 68 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 64 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-11-28 03:19:08,674 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [5 Valid, 6843 Invalid, 68 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 64 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-11-28 03:19:08,676 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1251 states. [2024-11-28 03:19:08,728 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1251 to 1251. [2024-11-28 03:19:08,730 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1251 states, 951 states have (on average 1.3396424815983177) internal successors, (1274), 966 states have internal predecessors, (1274), 228 states have call successors, (228), 74 states have call predecessors, (228), 71 states have return successors, (221), 219 states have call predecessors, (221), 219 states have call successors, (221) [2024-11-28 03:19:08,735 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1251 states to 1251 states and 1723 transitions. [2024-11-28 03:19:08,738 INFO L78 Accepts]: Start accepts. Automaton has 1251 states and 1723 transitions. Word has length 123 [2024-11-28 03:19:08,739 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-28 03:19:08,739 INFO L471 AbstractCegarLoop]: Abstraction has 1251 states and 1723 transitions. [2024-11-28 03:19:08,739 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 10.5) internal successors, (84), 7 states have internal predecessors, (84), 3 states have call successors, (16), 2 states have call predecessors, (16), 3 states have return successors, (14), 4 states have call predecessors, (14), 3 states have call successors, (14) [2024-11-28 03:19:08,739 INFO L276 IsEmpty]: Start isEmpty. Operand 1251 states and 1723 transitions. [2024-11-28 03:19:08,745 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 164 [2024-11-28 03:19:08,745 INFO L210 NwaCegarLoop]: Found error trace [2024-11-28 03:19:08,746 INFO L218 NwaCegarLoop]: trace histogram [4, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-28 03:19:08,758 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_52e51942-9f89-498f-b27e-2f77c6d54ccb/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Ended with exit code 0 [2024-11-28 03:19:08,950 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_52e51942-9f89-498f-b27e-2f77c6d54ccb/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable11 [2024-11-28 03:19:08,950 INFO L396 AbstractCegarLoop]: === Iteration 13 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-28 03:19:08,951 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 03:19:08,951 INFO L85 PathProgramCache]: Analyzing trace with hash -374873949, now seen corresponding path program 1 times [2024-11-28 03:19:08,951 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 03:19:08,951 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1455966458] [2024-11-28 03:19:08,951 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 03:19:08,951 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 03:19:09,136 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 03:19:09,256 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 11 proven. 0 refuted. 0 times theorem prover too weak. 31 trivial. 0 not checked. [2024-11-28 03:19:09,256 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 03:19:09,256 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1455966458] [2024-11-28 03:19:09,256 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1455966458] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-28 03:19:09,256 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-28 03:19:09,256 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-28 03:19:09,257 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [461127262] [2024-11-28 03:19:09,257 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 03:19:09,257 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-28 03:19:09,257 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 03:19:09,258 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-28 03:19:09,258 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-28 03:19:09,258 INFO L87 Difference]: Start difference. First operand 1251 states and 1723 transitions. Second operand has 3 states, 3 states have (on average 36.333333333333336) internal successors, (109), 3 states have internal predecessors, (109), 2 states have call successors, (20), 2 states have call predecessors, (20), 2 states have return successors, (18), 2 states have call predecessors, (18), 2 states have call successors, (18) [2024-11-28 03:19:09,347 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-28 03:19:09,348 INFO L93 Difference]: Finished difference Result 2494 states and 3459 transitions. [2024-11-28 03:19:09,348 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-28 03:19:09,348 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 36.333333333333336) internal successors, (109), 3 states have internal predecessors, (109), 2 states have call successors, (20), 2 states have call predecessors, (20), 2 states have return successors, (18), 2 states have call predecessors, (18), 2 states have call successors, (18) Word has length 163 [2024-11-28 03:19:09,349 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-28 03:19:09,362 INFO L225 Difference]: With dead ends: 2494 [2024-11-28 03:19:09,362 INFO L226 Difference]: Without dead ends: 1251 [2024-11-28 03:19:09,368 INFO L434 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 [2024-11-28 03:19:09,368 INFO L435 NwaCegarLoop]: 973 mSDtfsCounter, 0 mSDsluCounter, 966 mSDsCounter, 0 mSdLazyCounter, 10 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 1939 SdHoareTripleChecker+Invalid, 14 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 10 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-28 03:19:09,368 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 1939 Invalid, 14 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 10 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-28 03:19:09,370 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1251 states. [2024-11-28 03:19:09,423 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1251 to 1251. [2024-11-28 03:19:09,426 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1251 states, 951 states have (on average 1.3333333333333333) internal successors, (1268), 966 states have internal predecessors, (1268), 228 states have call successors, (228), 74 states have call predecessors, (228), 71 states have return successors, (221), 219 states have call predecessors, (221), 219 states have call successors, (221) [2024-11-28 03:19:09,430 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1251 states to 1251 states and 1717 transitions. [2024-11-28 03:19:09,433 INFO L78 Accepts]: Start accepts. Automaton has 1251 states and 1717 transitions. Word has length 163 [2024-11-28 03:19:09,433 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-28 03:19:09,434 INFO L471 AbstractCegarLoop]: Abstraction has 1251 states and 1717 transitions. [2024-11-28 03:19:09,434 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 36.333333333333336) internal successors, (109), 3 states have internal predecessors, (109), 2 states have call successors, (20), 2 states have call predecessors, (20), 2 states have return successors, (18), 2 states have call predecessors, (18), 2 states have call successors, (18) [2024-11-28 03:19:09,434 INFO L276 IsEmpty]: Start isEmpty. Operand 1251 states and 1717 transitions. [2024-11-28 03:19:09,440 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 167 [2024-11-28 03:19:09,441 INFO L210 NwaCegarLoop]: Found error trace [2024-11-28 03:19:09,441 INFO L218 NwaCegarLoop]: trace histogram [4, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-28 03:19:09,441 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2024-11-28 03:19:09,441 INFO L396 AbstractCegarLoop]: === Iteration 14 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-28 03:19:09,442 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 03:19:09,442 INFO L85 PathProgramCache]: Analyzing trace with hash -1981904212, now seen corresponding path program 1 times [2024-11-28 03:19:09,442 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 03:19:09,442 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [808945597] [2024-11-28 03:19:09,442 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 03:19:09,442 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 03:19:09,670 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 03:19:09,980 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 38 trivial. 0 not checked. [2024-11-28 03:19:09,980 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 03:19:09,980 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [808945597] [2024-11-28 03:19:09,980 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [808945597] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-28 03:19:09,981 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-28 03:19:09,981 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2024-11-28 03:19:09,981 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1452839037] [2024-11-28 03:19:09,981 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 03:19:09,981 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-28 03:19:09,982 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 03:19:09,982 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-28 03:19:09,982 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2024-11-28 03:19:09,982 INFO L87 Difference]: Start difference. First operand 1251 states and 1717 transitions. Second operand has 6 states, 6 states have (on average 18.166666666666668) internal successors, (109), 5 states have internal predecessors, (109), 2 states have call successors, (20), 2 states have call predecessors, (20), 2 states have return successors, (18), 2 states have call predecessors, (18), 1 states have call successors, (18) [2024-11-28 03:19:10,114 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-28 03:19:10,115 INFO L93 Difference]: Finished difference Result 1333 states and 1816 transitions. [2024-11-28 03:19:10,115 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-28 03:19:10,115 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 18.166666666666668) internal successors, (109), 5 states have internal predecessors, (109), 2 states have call successors, (20), 2 states have call predecessors, (20), 2 states have return successors, (18), 2 states have call predecessors, (18), 1 states have call successors, (18) Word has length 166 [2024-11-28 03:19:10,116 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-28 03:19:10,123 INFO L225 Difference]: With dead ends: 1333 [2024-11-28 03:19:10,123 INFO L226 Difference]: Without dead ends: 1102 [2024-11-28 03:19:10,125 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2024-11-28 03:19:10,125 INFO L435 NwaCegarLoop]: 977 mSDtfsCounter, 0 mSDsluCounter, 3890 mSDsCounter, 0 mSdLazyCounter, 28 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 4867 SdHoareTripleChecker+Invalid, 28 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 28 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-28 03:19:10,126 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 4867 Invalid, 28 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 28 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-28 03:19:10,127 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1102 states. [2024-11-28 03:19:10,169 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1102 to 1102. [2024-11-28 03:19:10,171 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1102 states, 845 states have (on average 1.3420118343195266) internal successors, (1134), 859 states have internal predecessors, (1134), 194 states have call successors, (194), 64 states have call predecessors, (194), 62 states have return successors, (189), 187 states have call predecessors, (189), 187 states have call successors, (189) [2024-11-28 03:19:10,175 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1102 states to 1102 states and 1517 transitions. [2024-11-28 03:19:10,177 INFO L78 Accepts]: Start accepts. Automaton has 1102 states and 1517 transitions. Word has length 166 [2024-11-28 03:19:10,177 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-28 03:19:10,178 INFO L471 AbstractCegarLoop]: Abstraction has 1102 states and 1517 transitions. [2024-11-28 03:19:10,178 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 18.166666666666668) internal successors, (109), 5 states have internal predecessors, (109), 2 states have call successors, (20), 2 states have call predecessors, (20), 2 states have return successors, (18), 2 states have call predecessors, (18), 1 states have call successors, (18) [2024-11-28 03:19:10,178 INFO L276 IsEmpty]: Start isEmpty. Operand 1102 states and 1517 transitions. [2024-11-28 03:19:10,184 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 176 [2024-11-28 03:19:10,185 INFO L210 NwaCegarLoop]: Found error trace [2024-11-28 03:19:10,185 INFO L218 NwaCegarLoop]: trace histogram [5, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-28 03:19:10,185 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2024-11-28 03:19:10,185 INFO L396 AbstractCegarLoop]: === Iteration 15 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-28 03:19:10,185 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 03:19:10,186 INFO L85 PathProgramCache]: Analyzing trace with hash 1192004827, now seen corresponding path program 1 times [2024-11-28 03:19:10,186 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 03:19:10,186 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2124366851] [2024-11-28 03:19:10,186 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 03:19:10,186 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 03:19:10,361 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 03:19:10,699 INFO L134 CoverageAnalysis]: Checked inductivity of 54 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 52 trivial. 0 not checked. [2024-11-28 03:19:10,699 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 03:19:10,700 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2124366851] [2024-11-28 03:19:10,700 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2124366851] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-28 03:19:10,700 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-28 03:19:10,700 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2024-11-28 03:19:10,700 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [730291496] [2024-11-28 03:19:10,700 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 03:19:10,700 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-28 03:19:10,701 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 03:19:10,701 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-28 03:19:10,701 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2024-11-28 03:19:10,701 INFO L87 Difference]: Start difference. First operand 1102 states and 1517 transitions. Second operand has 6 states, 6 states have (on average 18.666666666666668) internal successors, (112), 5 states have internal predecessors, (112), 2 states have call successors, (21), 2 states have call predecessors, (21), 2 states have return successors, (20), 3 states have call predecessors, (20), 2 states have call successors, (20) [2024-11-28 03:19:10,815 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-28 03:19:10,815 INFO L93 Difference]: Finished difference Result 1212 states and 1652 transitions. [2024-11-28 03:19:10,816 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-28 03:19:10,816 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 18.666666666666668) internal successors, (112), 5 states have internal predecessors, (112), 2 states have call successors, (21), 2 states have call predecessors, (21), 2 states have return successors, (20), 3 states have call predecessors, (20), 2 states have call successors, (20) Word has length 175 [2024-11-28 03:19:10,817 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-28 03:19:10,819 INFO L225 Difference]: With dead ends: 1212 [2024-11-28 03:19:10,819 INFO L226 Difference]: Without dead ends: 0 [2024-11-28 03:19:10,825 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2024-11-28 03:19:10,826 INFO L435 NwaCegarLoop]: 952 mSDtfsCounter, 0 mSDsluCounter, 3798 mSDsCounter, 0 mSdLazyCounter, 24 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 4750 SdHoareTripleChecker+Invalid, 24 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 24 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-28 03:19:10,827 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 4750 Invalid, 24 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 24 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-28 03:19:10,827 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2024-11-28 03:19:10,827 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2024-11-28 03:19:10,827 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 0 states, 0 states have (on average 0.0) internal successors, (0), 0 states have internal predecessors, (0), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-28 03:19:10,828 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2024-11-28 03:19:10,829 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 175 [2024-11-28 03:19:10,831 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-28 03:19:10,831 INFO L471 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2024-11-28 03:19:10,832 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 18.666666666666668) internal successors, (112), 5 states have internal predecessors, (112), 2 states have call successors, (21), 2 states have call predecessors, (21), 2 states have return successors, (20), 3 states have call predecessors, (20), 2 states have call successors, (20) [2024-11-28 03:19:10,832 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2024-11-28 03:19:10,832 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2024-11-28 03:19:10,839 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2024-11-28 03:19:10,839 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14 [2024-11-28 03:19:10,842 INFO L422 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-28 03:19:10,847 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2024-11-28 03:19:21,430 INFO L170 ceAbstractionStarter]: Computing trace abstraction results [2024-11-28 03:19:21,446 WARN L970 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: ~retval~5 [2024-11-28 03:19:21,447 WARN L970 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: ~ldv_s_uinput_fops_file_operations~0 [2024-11-28 03:19:21,448 WARN L970 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: ~ldv_s_uinput_fops_file_operations~0 [2024-11-28 03:19:21,448 WARN L970 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: ~ldv_s_uinput_fops_file_operations~0 [2024-11-28 03:19:21,449 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 28.11 03:19:21 BoogieIcfgContainer [2024-11-28 03:19:21,449 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-11-28 03:19:21,450 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-28 03:19:21,450 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-28 03:19:21,450 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-28 03:19:21,451 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 03:18:50" (3/4) ... [2024-11-28 03:19:21,453 INFO L146 WitnessPrinter]: Generating witness for correct program [2024-11-28 03:19:21,459 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure #Ultimate.C_memcpy#12 [2024-11-28 03:19:21,459 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure copy_from_user [2024-11-28 03:19:21,459 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure #Ultimate.C_memcpy#11 [2024-11-28 03:19:21,460 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure #Ultimate.C_memcpy#10 [2024-11-28 03:19:21,460 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure uinput_ioctl_handler [2024-11-28 03:19:21,460 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure #Ultimate.C_memcpy#7 [2024-11-28 03:19:21,460 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure #Ultimate.C_memcpy#6 [2024-11-28 03:19:21,460 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure #Ultimate.C_memcpy#9 [2024-11-28 03:19:21,460 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure #Ultimate.C_memcpy#8 [2024-11-28 03:19:21,460 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure #Ultimate.C_memcpy#13 [2024-11-28 03:19:21,460 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure __bad_percpu_size [2024-11-28 03:19:21,460 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure input_event_size [2024-11-28 03:19:21,460 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure ldv_mutex_lock_interruptible_mutex_of_uinput_device [2024-11-28 03:19:21,460 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure uinput_ff_upload_from_user [2024-11-28 03:19:21,461 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure uinput_destroy_device [2024-11-28 03:19:21,461 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure input_abs_get_max [2024-11-28 03:19:21,461 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure __wake_up [2024-11-28 03:19:21,461 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure variable_test_bit [2024-11-28 03:19:21,461 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure get_current [2024-11-28 03:19:21,461 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure uinput_request_done [2024-11-28 03:19:21,461 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure PTR_ERR [2024-11-28 03:19:21,461 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure signal_pending [2024-11-28 03:19:21,461 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure ldv_malloc [2024-11-28 03:19:21,461 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure mutex_lock_interruptible [2024-11-28 03:19:21,461 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure constant_test_bit [2024-11-28 03:19:21,462 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure input_abs_get_min [2024-11-28 03:19:21,462 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure is_compat_task [2024-11-28 03:19:21,462 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure kfree [2024-11-28 03:19:21,462 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure might_fault [2024-11-28 03:19:21,462 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure prepare_to_wait [2024-11-28 03:19:21,462 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure printk [2024-11-28 03:19:21,462 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure input_abs_get_flat [2024-11-28 03:19:21,462 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure mutex_unlock [2024-11-28 03:19:21,462 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure copy_to_user [2024-11-28 03:19:21,462 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure ldv_error [2024-11-28 03:19:21,462 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure input_alloc_absinfo [2024-11-28 03:19:21,462 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure kzalloc [2024-11-28 03:19:21,463 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure spin_lock [2024-11-28 03:19:21,463 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure ldv_check_return_value [2024-11-28 03:19:21,463 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure ldv__builtin_expect [2024-11-28 03:19:21,463 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure uinput_request_find [2024-11-28 03:19:21,463 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure __init_waitqueue_head [2024-11-28 03:19:21,463 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure set_bit [2024-11-28 03:19:21,463 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure spin_unlock [2024-11-28 03:19:21,463 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure ldv_handler_precall [2024-11-28 03:19:21,463 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure ldv_mutex_unlock_mutex_of_uinput_device [2024-11-28 03:19:21,463 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure schedule [2024-11-28 03:19:21,463 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure #Ultimate.C_memcpy#1 [2024-11-28 03:19:21,464 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure #Ultimate.C_memcpy#0 [2024-11-28 03:19:21,464 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure #Ultimate.C_memcpy#3 [2024-11-28 03:19:21,464 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure #Ultimate.C_memcpy#2 [2024-11-28 03:19:21,464 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure #Ultimate.C_memcpy#5 [2024-11-28 03:19:21,464 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure #Ultimate.C_memcpy#4 [2024-11-28 03:19:21,464 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure _copy_from_user [2024-11-28 03:19:21,464 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure finish_wait [2024-11-28 03:19:21,465 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure uinput_allocate_device [2024-11-28 03:19:21,465 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure IS_ERR [2024-11-28 03:19:21,496 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 227 nodes and edges [2024-11-28 03:19:21,499 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 93 nodes and edges [2024-11-28 03:19:21,503 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 19 nodes and edges [2024-11-28 03:19:21,506 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 6 nodes and edges [2024-11-28 03:19:21,510 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2024-11-28 03:19:21,513 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2024-11-28 03:19:21,561 WARN L216 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((\old(ldv_mutex_mutex_of_uinput_device) == 1) && (1 == ldv_mutex_mutex_of_device)) && (ldv_mutex_mutex_of_uinput_device == 2)) && (ldv_mutex_lock == 1)) [2024-11-28 03:19:21,711 WARN L141 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((\old(ldv_mutex_mutex_of_uinput_device) == 1) && (1 == ldv_mutex_mutex_of_device)) && (ldv_mutex_mutex_of_uinput_device == 2)) && (ldv_mutex_lock == 1)) [2024-11-28 03:19:21,767 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_52e51942-9f89-498f-b27e-2f77c6d54ccb/bin/uautomizer-verify-aQ6SnzHsRB/witness.graphml [2024-11-28 03:19:21,768 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_52e51942-9f89-498f-b27e-2f77c6d54ccb/bin/uautomizer-verify-aQ6SnzHsRB/witness.yml [2024-11-28 03:19:21,768 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-28 03:19:21,768 INFO L158 Benchmark]: Toolchain (without parser) took 49471.26ms. Allocated memory was 117.4MB in the beginning and 671.1MB in the end (delta: 553.6MB). Free memory was 87.4MB in the beginning and 493.2MB in the end (delta: -405.8MB). Peak memory consumption was 152.0MB. Max. memory is 16.1GB. [2024-11-28 03:19:21,769 INFO L158 Benchmark]: CDTParser took 0.39ms. Allocated memory is still 167.8MB. Free memory is still 103.5MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-28 03:19:21,769 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1741.99ms. Allocated memory was 117.4MB in the beginning and 352.3MB in the end (delta: 234.9MB). Free memory was 87.4MB in the beginning and 301.8MB in the end (delta: -214.4MB). Peak memory consumption was 78.6MB. Max. memory is 16.1GB. [2024-11-28 03:19:21,769 INFO L158 Benchmark]: Boogie Procedure Inliner took 239.43ms. Allocated memory is still 352.3MB. Free memory was 301.8MB in the beginning and 285.6MB in the end (delta: 16.2MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-11-28 03:19:21,770 INFO L158 Benchmark]: Boogie Preprocessor took 512.08ms. Allocated memory is still 352.3MB. Free memory was 285.6MB in the beginning and 233.0MB in the end (delta: 52.6MB). Peak memory consumption was 58.7MB. Max. memory is 16.1GB. [2024-11-28 03:19:21,770 INFO L158 Benchmark]: RCFGBuilder took 15638.26ms. Allocated memory is still 352.3MB. Free memory was 232.4MB in the beginning and 151.1MB in the end (delta: 81.4MB). Peak memory consumption was 129.3MB. Max. memory is 16.1GB. [2024-11-28 03:19:21,770 INFO L158 Benchmark]: TraceAbstraction took 31014.36ms. Allocated memory was 352.3MB in the beginning and 671.1MB in the end (delta: 318.8MB). Free memory was 151.1MB in the beginning and 530.9MB in the end (delta: -379.8MB). Peak memory consumption was 199.2MB. Max. memory is 16.1GB. [2024-11-28 03:19:21,770 INFO L158 Benchmark]: Witness Printer took 318.04ms. Allocated memory is still 671.1MB. Free memory was 530.9MB in the beginning and 493.2MB in the end (delta: 37.7MB). Peak memory consumption was 33.6MB. Max. memory is 16.1GB. [2024-11-28 03:19:21,772 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.39ms. Allocated memory is still 167.8MB. Free memory is still 103.5MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1741.99ms. Allocated memory was 117.4MB in the beginning and 352.3MB in the end (delta: 234.9MB). Free memory was 87.4MB in the beginning and 301.8MB in the end (delta: -214.4MB). Peak memory consumption was 78.6MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 239.43ms. Allocated memory is still 352.3MB. Free memory was 301.8MB in the beginning and 285.6MB in the end (delta: 16.2MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Preprocessor took 512.08ms. Allocated memory is still 352.3MB. Free memory was 285.6MB in the beginning and 233.0MB in the end (delta: 52.6MB). Peak memory consumption was 58.7MB. Max. memory is 16.1GB. * RCFGBuilder took 15638.26ms. Allocated memory is still 352.3MB. Free memory was 232.4MB in the beginning and 151.1MB in the end (delta: 81.4MB). Peak memory consumption was 129.3MB. Max. memory is 16.1GB. * TraceAbstraction took 31014.36ms. Allocated memory was 352.3MB in the beginning and 671.1MB in the end (delta: 318.8MB). Free memory was 151.1MB in the beginning and 530.9MB in the end (delta: -379.8MB). Peak memory consumption was 199.2MB. Max. memory is 16.1GB. * Witness Printer took 318.04ms. Allocated memory is still 671.1MB. Free memory was 530.9MB in the beginning and 493.2MB in the end (delta: 37.7MB). Peak memory consumption was 33.6MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - GenericResultAtLocation [Line: 3073]: Unsoundness Warning Ignoring inline assembler instruction C: __asm__ volatile (".pushsection .smp_locks,\"a\"\n.balign 4\n.long 671f - .\n.popsection\n671:\n\tlock; bts %1,%0": "+m" (*((long volatile *)addr)): "Ir" (nr): "memory"); [3073] - GenericResultAtLocation [Line: 3087]: Unsoundness Warning Ignoring inline assembler instruction C: __asm__ volatile ("bt %2,%1\n\tsbb %0,%0": "=r" (oldbit): "m" (*((unsigned long *)addr)), "Ir" (nr)); [3087-3088] - GenericResultAtLocation [Line: 3102]: Unsoundness Warning Ignoring inline assembler instruction C: __asm__ ("movb %%gs:%P1,%0": "=q" (pfo_ret__): "p" (& current_task)); [3102] - GenericResultAtLocation [Line: 3105]: Unsoundness Warning Ignoring inline assembler instruction C: __asm__ ("movw %%gs:%P1,%0": "=r" (pfo_ret__): "p" (& current_task)); [3105] - GenericResultAtLocation [Line: 3108]: Unsoundness Warning Ignoring inline assembler instruction C: __asm__ ("movl %%gs:%P1,%0": "=r" (pfo_ret__): "p" (& current_task)); [3108] - GenericResultAtLocation [Line: 3111]: Unsoundness Warning Ignoring inline assembler instruction C: __asm__ ("movq %%gs:%P1,%0": "=r" (pfo_ret__): "p" (& current_task)); [3111] - GenericResultAtLocation [Line: 3173]: Unsoundness Warning Ignoring inline assembler instruction C: __asm__ ("movb %%gs:%P1,%0": "=q" (pfo_ret__): "p" (& kernel_stack)); [3173] - GenericResultAtLocation [Line: 3176]: Unsoundness Warning Ignoring inline assembler instruction C: __asm__ ("movw %%gs:%P1,%0": "=r" (pfo_ret__): "p" (& kernel_stack)); [3176] - GenericResultAtLocation [Line: 3179]: Unsoundness Warning Ignoring inline assembler instruction C: __asm__ ("movl %%gs:%P1,%0": "=r" (pfo_ret__): "p" (& kernel_stack)); [3179] - GenericResultAtLocation [Line: 3182]: Unsoundness Warning Ignoring inline assembler instruction C: __asm__ ("movq %%gs:%P1,%0": "=r" (pfo_ret__): "p" (& kernel_stack)); [3182] - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: ~retval~5 - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: ~ldv_s_uinput_fops_file_operations~0 - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: ~ldv_s_uinput_fops_file_operations~0 - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: ~ldv_s_uinput_fops_file_operations~0 * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - PositiveResult [Line: 4914]: a call to reach_error is unreachable For all program executions holds that a call to reach_error is unreachable at this location - StatisticsResult: Ultimate Automizer benchmark data CFG has 58 procedures, 780 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 20.3s, OverallIterations: 15, TraceHistogramMax: 5, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.1s, AutomataDifference: 8.8s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 4402 SdHoareTripleChecker+Valid, 7.0s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 4317 mSDsluCounter, 51147 SdHoareTripleChecker+Invalid, 6.8s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 35721 mSDsCounter, 62 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 413 IncrementalHoareTripleChecker+Invalid, 475 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 62 mSolverCounterUnsat, 15426 mSDtfsCounter, 413 mSolverCounterSat, 0.2s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 371 GetRequests, 328 SyntacticMatches, 2 SemanticMatches, 41 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.6s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=1409occurred in iteration=4, InterpolantAutomatonStates: 71, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 1.2s AutomataMinimizationTime, 15 MinimizatonAttempts, 71 StatesRemovedByMinimization, 7 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.3s SsaConstructionTime, 0.9s SatisfiabilityAnalysisTime, 4.6s InterpolantComputationTime, 1447 NumberOfCodeBlocks, 1447 NumberOfCodeBlocksAsserted, 17 NumberOfCheckSat, 1519 ConstructedInterpolants, 0 QuantifiedInterpolants, 1991 SizeOfPredicates, 0 NumberOfNonLiveVariables, 2091 ConjunctsInSsa, 13 ConjunctsInUnsatCore, 18 InterpolantComputations, 14 PerfectInterpolantSequences, 302/316 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available, ConComCheckerStatistics: No data available - AllSpecificationsHoldResult: All specifications hold 1 specifications checked. All of them hold - InvariantResult [Line: 4052]: Location Invariant Derived location invariant: (((1 == ldv_mutex_mutex_of_device) && (ldv_mutex_mutex_of_uinput_device == 2)) && (ldv_mutex_lock == 1)) - InvariantResult [Line: 3902]: Location Invariant Derived location invariant: (((1 == ldv_mutex_mutex_of_device) && (ldv_mutex_mutex_of_uinput_device == 2)) && (ldv_mutex_lock == 1)) - InvariantResult [Line: 4773]: Location Invariant Derived location invariant: (((1 == ldv_mutex_mutex_of_device) && (ldv_mutex_lock == 1)) && (ldv_mutex_mutex_of_uinput_device == 1)) - InvariantResult [Line: 3855]: Location Invariant Derived location invariant: ((((\old(ldv_mutex_mutex_of_uinput_device) == 1) && (1 == ldv_mutex_mutex_of_device)) && (ldv_mutex_mutex_of_uinput_device == 2)) && (ldv_mutex_lock == 1)) - InvariantResult [Line: 4225]: Location Invariant Derived location invariant: ((((1 == ldv_mutex_mutex_of_device) && (ldv_mutex_lock == 1)) && (ldv_mutex_mutex_of_uinput_device == 1)) && (retval == 0)) - InvariantResult [Line: 4201]: Location Invariant Derived location invariant: ((((1 == ldv_mutex_mutex_of_device) && (ldv_mutex_lock == 1)) && (ldv_mutex_mutex_of_uinput_device == 1)) && (retval == 0)) - InvariantResult [Line: 4143]: Location Invariant Derived location invariant: (((1 == ldv_mutex_mutex_of_device) && (ldv_mutex_mutex_of_uinput_device == 2)) && (ldv_mutex_lock == 1)) RESULT: Ultimate proved your program to be correct! [2024-11-28 03:19:21,812 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_52e51942-9f89-498f-b27e-2f77c6d54ccb/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Ended with exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: TRUE