./Ultimate.py --spec ../sv-benchmarks/c/properties/valid-memsafety.prp --file ../sv-benchmarks/c/ddv-machzwd/ddv_machzwd_outl_p.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for memory safety (deref-memtrack) Using default analysis Version e2fb8bed Calling Ultimate with: /root/.sdkman/candidates/java/21.0.5-tem/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerMemDerefMemtrack.xml -i ../sv-benchmarks/c/ddv-machzwd/ddv_machzwd_outl_p.i -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-DerefFreeMemtrack-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 8acf23346fce853ea7f29f138c9c8af6d9070a3261dcb0ee52337c4f25e22e59 --- Real Ultimate output --- This is Ultimate 0.3.0-?-e2fb8be-m [2025-03-08 23:07:14,104 INFO L188 SettingsManager]: Resetting all preferences to default values... [2025-03-08 23:07:14,150 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-DerefFreeMemtrack-32bit-Automizer_Default.epf [2025-03-08 23:07:14,156 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2025-03-08 23:07:14,156 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2025-03-08 23:07:14,177 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2025-03-08 23:07:14,178 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2025-03-08 23:07:14,179 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2025-03-08 23:07:14,179 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2025-03-08 23:07:14,179 INFO L153 SettingsManager]: * Use memory slicer=true [2025-03-08 23:07:14,180 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2025-03-08 23:07:14,180 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2025-03-08 23:07:14,180 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2025-03-08 23:07:14,180 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2025-03-08 23:07:14,181 INFO L153 SettingsManager]: * Use SBE=true [2025-03-08 23:07:14,181 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2025-03-08 23:07:14,181 INFO L153 SettingsManager]: * sizeof long=4 [2025-03-08 23:07:14,181 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2025-03-08 23:07:14,181 INFO L153 SettingsManager]: * sizeof POINTER=4 [2025-03-08 23:07:14,181 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2025-03-08 23:07:14,181 INFO L153 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2025-03-08 23:07:14,181 INFO L153 SettingsManager]: * Bitprecise bitfields=true [2025-03-08 23:07:14,182 INFO L153 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2025-03-08 23:07:14,182 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2025-03-08 23:07:14,182 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2025-03-08 23:07:14,182 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2025-03-08 23:07:14,182 INFO L153 SettingsManager]: * sizeof long double=12 [2025-03-08 23:07:14,182 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2025-03-08 23:07:14,182 INFO L153 SettingsManager]: * Use constant arrays=true [2025-03-08 23:07:14,182 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2025-03-08 23:07:14,182 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2025-03-08 23:07:14,183 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2025-03-08 23:07:14,183 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2025-03-08 23:07:14,183 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2025-03-08 23:07:14,183 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2025-03-08 23:07:14,183 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2025-03-08 23:07:14,183 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2025-03-08 23:07:14,183 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2025-03-08 23:07:14,183 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2025-03-08 23:07:14,183 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2025-03-08 23:07:14,183 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2025-03-08 23:07:14,183 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2025-03-08 23:07:14,183 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 -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux 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 valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) 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 -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 8acf23346fce853ea7f29f138c9c8af6d9070a3261dcb0ee52337c4f25e22e59 [2025-03-08 23:07:14,384 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2025-03-08 23:07:14,389 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2025-03-08 23:07:14,391 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2025-03-08 23:07:14,391 INFO L270 PluginConnector]: Initializing CDTParser... [2025-03-08 23:07:14,392 INFO L274 PluginConnector]: CDTParser initialized [2025-03-08 23:07:14,392 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/ddv-machzwd/ddv_machzwd_outl_p.i [2025-03-08 23:07:15,506 INFO L533 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/c1d0fa545/a66f8617e3fc45f288084bbc7641d4a4/FLAG67d4dbcb1 [2025-03-08 23:07:15,896 INFO L384 CDTParser]: Found 1 translation units. [2025-03-08 23:07:15,897 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ddv-machzwd/ddv_machzwd_outl_p.i [2025-03-08 23:07:15,929 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/c1d0fa545/a66f8617e3fc45f288084bbc7641d4a4/FLAG67d4dbcb1 [2025-03-08 23:07:16,067 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/c1d0fa545/a66f8617e3fc45f288084bbc7641d4a4 [2025-03-08 23:07:16,069 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2025-03-08 23:07:16,070 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2025-03-08 23:07:16,071 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2025-03-08 23:07:16,071 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2025-03-08 23:07:16,074 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2025-03-08 23:07:16,075 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.03 11:07:16" (1/1) ... [2025-03-08 23:07:16,075 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@373f1443 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.03 11:07:16, skipping insertion in model container [2025-03-08 23:07:16,075 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.03 11:07:16" (1/1) ... [2025-03-08 23:07:16,119 INFO L175 MainTranslator]: Built tables and reachable declarations [2025-03-08 23:07:16,693 WARN L1100 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2025-03-08 23:07:16,714 WARN L1100 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2025-03-08 23:07:16,729 WARN L1100 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2025-03-08 23:07:16,782 WARN L1100 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2025-03-08 23:07:16,800 WARN L1100 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2025-03-08 23:07:16,801 INFO L210 PostProcessor]: Analyzing one entry point: main [2025-03-08 23:07:16,847 INFO L200 MainTranslator]: Completed pre-run [2025-03-08 23:07:16,986 INFO L210 PostProcessor]: Analyzing one entry point: main [2025-03-08 23:07:17,136 INFO L204 MainTranslator]: Completed translation [2025-03-08 23:07:17,137 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.03 11:07:17 WrapperNode [2025-03-08 23:07:17,137 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2025-03-08 23:07:17,138 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2025-03-08 23:07:17,138 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2025-03-08 23:07:17,139 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2025-03-08 23:07:17,143 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.03 11:07:17" (1/1) ... [2025-03-08 23:07:17,197 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.03 11:07:17" (1/1) ... [2025-03-08 23:07:17,322 INFO L138 Inliner]: procedures = 473, calls = 2667, calls flagged for inlining = 55, calls inlined = 37, statements flattened = 3342 [2025-03-08 23:07:17,323 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2025-03-08 23:07:17,323 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2025-03-08 23:07:17,324 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2025-03-08 23:07:17,324 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2025-03-08 23:07:17,331 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.03 11:07:17" (1/1) ... [2025-03-08 23:07:17,332 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.03 11:07:17" (1/1) ... [2025-03-08 23:07:17,356 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.03 11:07:17" (1/1) ... [2025-03-08 23:07:17,420 INFO L175 MemorySlicer]: Split 2024 memory accesses to 27 slices as follows [16, 5, 37, 3, 35, 1040, 0, 480, 59, 35, 11, 5, 15, 120, 67, 5, 2, 2, 2, 20, 4, 2, 18, 12, 21, 3, 5]. 51 percent of accesses are in the largest equivalence class. The 1901 initializations are split as follows [5, 3, 25, 3, 15, 1040, 0, 480, 59, 32, 2, 1, 10, 120, 67, 4, 0, 0, 2, 4, 4, 0, 18, 6, 0, 0, 1]. The 58 writes are split as follows [8, 0, 0, 0, 6, 0, 0, 0, 0, 0, 5, 1, 2, 0, 0, 0, 2, 1, 0, 4, 0, 0, 0, 6, 21, 0, 2]. [2025-03-08 23:07:17,420 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.03 11:07:17" (1/1) ... [2025-03-08 23:07:17,421 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.03 11:07:17" (1/1) ... [2025-03-08 23:07:17,488 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.03 11:07:17" (1/1) ... [2025-03-08 23:07:17,494 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.03 11:07:17" (1/1) ... [2025-03-08 23:07:17,506 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.03 11:07:17" (1/1) ... [2025-03-08 23:07:17,516 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.03 11:07:17" (1/1) ... [2025-03-08 23:07:17,538 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2025-03-08 23:07:17,540 INFO L112 PluginConnector]: ------------------------IcfgBuilder---------------------------- [2025-03-08 23:07:17,540 INFO L270 PluginConnector]: Initializing IcfgBuilder... [2025-03-08 23:07:17,540 INFO L274 PluginConnector]: IcfgBuilder initialized [2025-03-08 23:07:17,540 INFO L184 PluginConnector]: Executing the observer IcfgBuilderObserver from plugin IcfgBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.03 11:07:17" (1/1) ... [2025-03-08 23:07:17,545 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2025-03-08 23:07:17,554 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-03-08 23:07:17,567 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2025-03-08 23:07:17,570 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2025-03-08 23:07:17,588 INFO L130 BoogieDeclarations]: Found specification of procedure zf_timer_off [2025-03-08 23:07:17,588 INFO L138 BoogieDeclarations]: Found implementation of procedure zf_timer_off [2025-03-08 23:07:17,588 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2025-03-08 23:07:17,588 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_atomic_begin [2025-03-08 23:07:17,588 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock_irqrestore [2025-03-08 23:07:17,588 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock_irqrestore [2025-03-08 23:07:17,588 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2025-03-08 23:07:17,589 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock [2025-03-08 23:07:17,589 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock [2025-03-08 23:07:17,589 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2025-03-08 23:07:17,589 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_atomic_end [2025-03-08 23:07:17,589 INFO L130 BoogieDeclarations]: Found specification of procedure zf_get_control [2025-03-08 23:07:17,589 INFO L138 BoogieDeclarations]: Found implementation of procedure zf_get_control [2025-03-08 23:07:17,589 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#0 [2025-03-08 23:07:17,589 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#1 [2025-03-08 23:07:17,589 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#2 [2025-03-08 23:07:17,589 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#3 [2025-03-08 23:07:17,589 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#4 [2025-03-08 23:07:17,590 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#5 [2025-03-08 23:07:17,590 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#6 [2025-03-08 23:07:17,590 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#7 [2025-03-08 23:07:17,590 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#8 [2025-03-08 23:07:17,590 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#9 [2025-03-08 23:07:17,590 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#10 [2025-03-08 23:07:17,590 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#11 [2025-03-08 23:07:17,590 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#12 [2025-03-08 23:07:17,590 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#13 [2025-03-08 23:07:17,590 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#14 [2025-03-08 23:07:17,590 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#15 [2025-03-08 23:07:17,590 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#16 [2025-03-08 23:07:17,590 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#17 [2025-03-08 23:07:17,590 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#18 [2025-03-08 23:07:17,591 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#19 [2025-03-08 23:07:17,591 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#20 [2025-03-08 23:07:17,591 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#21 [2025-03-08 23:07:17,591 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#22 [2025-03-08 23:07:17,591 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#23 [2025-03-08 23:07:17,591 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#24 [2025-03-08 23:07:17,591 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#25 [2025-03-08 23:07:17,591 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#26 [2025-03-08 23:07:17,591 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#0 [2025-03-08 23:07:17,591 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#1 [2025-03-08 23:07:17,591 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#2 [2025-03-08 23:07:17,591 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#3 [2025-03-08 23:07:17,591 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#4 [2025-03-08 23:07:17,591 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#5 [2025-03-08 23:07:17,591 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#6 [2025-03-08 23:07:17,591 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#7 [2025-03-08 23:07:17,592 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#8 [2025-03-08 23:07:17,592 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#9 [2025-03-08 23:07:17,592 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#10 [2025-03-08 23:07:17,592 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#11 [2025-03-08 23:07:17,592 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#12 [2025-03-08 23:07:17,592 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#13 [2025-03-08 23:07:17,592 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#14 [2025-03-08 23:07:17,592 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#15 [2025-03-08 23:07:17,592 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#16 [2025-03-08 23:07:17,592 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#17 [2025-03-08 23:07:17,592 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#18 [2025-03-08 23:07:17,592 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#19 [2025-03-08 23:07:17,592 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#20 [2025-03-08 23:07:17,592 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#21 [2025-03-08 23:07:17,592 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#22 [2025-03-08 23:07:17,592 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#23 [2025-03-08 23:07:17,593 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#24 [2025-03-08 23:07:17,593 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#25 [2025-03-08 23:07:17,593 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#26 [2025-03-08 23:07:17,593 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2025-03-08 23:07:17,593 INFO L130 BoogieDeclarations]: Found specification of procedure request_region [2025-03-08 23:07:17,593 INFO L138 BoogieDeclarations]: Found implementation of procedure request_region [2025-03-08 23:07:17,593 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2025-03-08 23:07:17,593 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#0 [2025-03-08 23:07:17,593 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#1 [2025-03-08 23:07:17,593 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#2 [2025-03-08 23:07:17,593 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#3 [2025-03-08 23:07:17,593 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#4 [2025-03-08 23:07:17,593 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#5 [2025-03-08 23:07:17,593 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#6 [2025-03-08 23:07:17,593 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#7 [2025-03-08 23:07:17,593 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#8 [2025-03-08 23:07:17,593 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#9 [2025-03-08 23:07:17,593 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#10 [2025-03-08 23:07:17,593 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#11 [2025-03-08 23:07:17,593 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#12 [2025-03-08 23:07:17,593 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#13 [2025-03-08 23:07:17,593 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#14 [2025-03-08 23:07:17,593 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#15 [2025-03-08 23:07:17,593 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#16 [2025-03-08 23:07:17,593 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#17 [2025-03-08 23:07:17,593 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#18 [2025-03-08 23:07:17,593 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#19 [2025-03-08 23:07:17,593 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#20 [2025-03-08 23:07:17,593 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#21 [2025-03-08 23:07:17,593 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#22 [2025-03-08 23:07:17,593 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#23 [2025-03-08 23:07:17,593 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#24 [2025-03-08 23:07:17,593 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#25 [2025-03-08 23:07:17,593 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#26 [2025-03-08 23:07:17,593 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~VOID [2025-03-08 23:07:17,593 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~VOID [2025-03-08 23:07:17,594 INFO L130 BoogieDeclarations]: Found specification of procedure spin_lock_irqsave [2025-03-08 23:07:17,594 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_lock_irqsave [2025-03-08 23:07:17,594 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~TO~VOID [2025-03-08 23:07:17,594 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~TO~VOID [2025-03-08 23:07:17,594 INFO L130 BoogieDeclarations]: Found specification of procedure release_region [2025-03-08 23:07:17,594 INFO L138 BoogieDeclarations]: Found implementation of procedure release_region [2025-03-08 23:07:17,594 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2025-03-08 23:07:17,594 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2025-03-08 23:07:17,594 INFO L130 BoogieDeclarations]: Found specification of procedure spin_lock_init [2025-03-08 23:07:17,595 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_lock_init [2025-03-08 23:07:17,595 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2025-03-08 23:07:17,595 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2025-03-08 23:07:17,595 INFO L130 BoogieDeclarations]: Found specification of procedure del_timer [2025-03-08 23:07:17,595 INFO L138 BoogieDeclarations]: Found implementation of procedure del_timer [2025-03-08 23:07:17,595 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2025-03-08 23:07:17,595 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#0 [2025-03-08 23:07:17,595 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#1 [2025-03-08 23:07:17,595 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#2 [2025-03-08 23:07:17,595 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#3 [2025-03-08 23:07:17,595 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#4 [2025-03-08 23:07:17,595 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#5 [2025-03-08 23:07:17,595 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#6 [2025-03-08 23:07:17,595 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#7 [2025-03-08 23:07:17,595 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#8 [2025-03-08 23:07:17,595 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#9 [2025-03-08 23:07:17,596 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#10 [2025-03-08 23:07:17,596 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#11 [2025-03-08 23:07:17,596 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#12 [2025-03-08 23:07:17,596 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#13 [2025-03-08 23:07:17,596 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#14 [2025-03-08 23:07:17,596 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#15 [2025-03-08 23:07:17,596 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#16 [2025-03-08 23:07:17,596 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#17 [2025-03-08 23:07:17,596 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#18 [2025-03-08 23:07:17,596 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#19 [2025-03-08 23:07:17,596 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#20 [2025-03-08 23:07:17,596 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#21 [2025-03-08 23:07:17,596 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#22 [2025-03-08 23:07:17,596 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#23 [2025-03-08 23:07:17,596 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#24 [2025-03-08 23:07:17,596 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#25 [2025-03-08 23:07:17,596 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#26 [2025-03-08 23:07:17,596 INFO L130 BoogieDeclarations]: Found specification of procedure add_timer [2025-03-08 23:07:17,596 INFO L138 BoogieDeclarations]: Found implementation of procedure add_timer [2025-03-08 23:07:17,596 INFO L130 BoogieDeclarations]: Found specification of procedure cdev_add [2025-03-08 23:07:17,596 INFO L138 BoogieDeclarations]: Found implementation of procedure cdev_add [2025-03-08 23:07:17,596 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~$Pointer$~X~int~X~$Pointer$~TO~int [2025-03-08 23:07:17,596 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~$Pointer$~X~int~X~$Pointer$~TO~int [2025-03-08 23:07:17,596 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#0 [2025-03-08 23:07:17,596 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#1 [2025-03-08 23:07:17,596 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#2 [2025-03-08 23:07:17,596 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#3 [2025-03-08 23:07:17,596 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#4 [2025-03-08 23:07:17,596 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#5 [2025-03-08 23:07:17,596 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#6 [2025-03-08 23:07:17,596 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#7 [2025-03-08 23:07:17,596 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#8 [2025-03-08 23:07:17,596 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#9 [2025-03-08 23:07:17,596 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#10 [2025-03-08 23:07:17,597 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#11 [2025-03-08 23:07:17,597 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#12 [2025-03-08 23:07:17,597 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#13 [2025-03-08 23:07:17,597 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#14 [2025-03-08 23:07:17,597 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#15 [2025-03-08 23:07:17,597 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#16 [2025-03-08 23:07:17,597 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#17 [2025-03-08 23:07:17,597 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#18 [2025-03-08 23:07:17,597 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#19 [2025-03-08 23:07:17,597 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#20 [2025-03-08 23:07:17,597 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#21 [2025-03-08 23:07:17,597 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#22 [2025-03-08 23:07:17,597 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#23 [2025-03-08 23:07:17,597 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#24 [2025-03-08 23:07:17,597 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#25 [2025-03-08 23:07:17,597 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#26 [2025-03-08 23:07:17,597 INFO L130 BoogieDeclarations]: Found specification of procedure printk [2025-03-08 23:07:17,597 INFO L138 BoogieDeclarations]: Found implementation of procedure printk [2025-03-08 23:07:17,597 INFO L130 BoogieDeclarations]: Found specification of procedure outw [2025-03-08 23:07:17,597 INFO L138 BoogieDeclarations]: Found implementation of procedure outw [2025-03-08 23:07:17,597 INFO L130 BoogieDeclarations]: Found specification of procedure outb [2025-03-08 23:07:17,597 INFO L138 BoogieDeclarations]: Found implementation of procedure outb [2025-03-08 23:07:17,597 INFO L130 BoogieDeclarations]: Found specification of procedure misc_deregister [2025-03-08 23:07:17,597 INFO L138 BoogieDeclarations]: Found implementation of procedure misc_deregister [2025-03-08 23:07:17,597 INFO L130 BoogieDeclarations]: Found specification of procedure assert_context_process [2025-03-08 23:07:17,597 INFO L138 BoogieDeclarations]: Found implementation of procedure assert_context_process [2025-03-08 23:07:17,597 INFO L130 BoogieDeclarations]: Found specification of procedure zf_set_control [2025-03-08 23:07:17,597 INFO L138 BoogieDeclarations]: Found implementation of procedure zf_set_control [2025-03-08 23:07:17,597 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#0 [2025-03-08 23:07:17,597 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#1 [2025-03-08 23:07:17,597 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#2 [2025-03-08 23:07:17,597 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#3 [2025-03-08 23:07:17,597 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#4 [2025-03-08 23:07:17,597 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#5 [2025-03-08 23:07:17,597 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#6 [2025-03-08 23:07:17,597 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#7 [2025-03-08 23:07:17,597 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#8 [2025-03-08 23:07:17,597 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#9 [2025-03-08 23:07:17,597 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#10 [2025-03-08 23:07:17,597 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#11 [2025-03-08 23:07:17,597 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#12 [2025-03-08 23:07:17,597 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#13 [2025-03-08 23:07:17,597 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#14 [2025-03-08 23:07:17,597 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#15 [2025-03-08 23:07:17,597 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#16 [2025-03-08 23:07:17,597 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#17 [2025-03-08 23:07:17,598 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#18 [2025-03-08 23:07:17,598 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#19 [2025-03-08 23:07:17,599 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#20 [2025-03-08 23:07:17,599 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#21 [2025-03-08 23:07:17,599 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#22 [2025-03-08 23:07:17,599 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#23 [2025-03-08 23:07:17,599 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#24 [2025-03-08 23:07:17,599 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#25 [2025-03-08 23:07:17,599 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#26 [2025-03-08 23:07:17,599 INFO L130 BoogieDeclarations]: Found specification of procedure zf_readw [2025-03-08 23:07:17,599 INFO L138 BoogieDeclarations]: Found implementation of procedure zf_readw [2025-03-08 23:07:17,599 INFO L130 BoogieDeclarations]: Found specification of procedure zf_ping [2025-03-08 23:07:17,599 INFO L138 BoogieDeclarations]: Found implementation of procedure zf_ping [2025-03-08 23:07:17,599 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~$Pointer$~X~int~X~int~TO~int [2025-03-08 23:07:17,599 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~$Pointer$~X~int~X~int~TO~int [2025-03-08 23:07:17,599 INFO L130 BoogieDeclarations]: Found specification of procedure spin_lock [2025-03-08 23:07:17,599 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_lock [2025-03-08 23:07:17,600 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~$Pointer$~TO~int [2025-03-08 23:07:17,600 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~$Pointer$~TO~int [2025-03-08 23:07:17,600 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2025-03-08 23:07:17,600 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#1 [2025-03-08 23:07:17,600 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#2 [2025-03-08 23:07:17,600 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#3 [2025-03-08 23:07:17,600 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#4 [2025-03-08 23:07:17,600 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#5 [2025-03-08 23:07:17,600 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#6 [2025-03-08 23:07:17,600 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#7 [2025-03-08 23:07:17,600 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#8 [2025-03-08 23:07:17,600 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#9 [2025-03-08 23:07:17,600 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#10 [2025-03-08 23:07:17,600 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#11 [2025-03-08 23:07:17,600 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#12 [2025-03-08 23:07:17,600 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#13 [2025-03-08 23:07:17,600 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#14 [2025-03-08 23:07:17,600 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#15 [2025-03-08 23:07:17,600 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#16 [2025-03-08 23:07:17,600 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#17 [2025-03-08 23:07:17,600 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#18 [2025-03-08 23:07:17,600 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#19 [2025-03-08 23:07:17,600 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#20 [2025-03-08 23:07:17,600 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#21 [2025-03-08 23:07:17,600 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#22 [2025-03-08 23:07:17,600 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#23 [2025-03-08 23:07:17,601 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#24 [2025-03-08 23:07:17,601 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#25 [2025-03-08 23:07:17,601 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#26 [2025-03-08 23:07:17,969 INFO L256 CfgBuilder]: Building ICFG [2025-03-08 23:07:17,971 INFO L286 CfgBuilder]: Building CFG for each procedure with an implementation [2025-03-08 23:07:18,179 INFO L1307 $ProcedureCfgBuilder]: dead code at ProgramPoint L3245: havoc get_user_#t~nondet671#1; [2025-03-08 23:07:18,197 INFO L1307 $ProcedureCfgBuilder]: dead code at ProgramPoint L1508: havoc #t~ret200; [2025-03-08 23:07:18,211 INFO L1307 $ProcedureCfgBuilder]: dead code at ProgramPoint L1470: havoc #t~ret199#1; [2025-03-08 23:07:18,212 INFO L1307 $ProcedureCfgBuilder]: dead code at ProgramPoint L3961: havoc inw_#t~nondet753#1; [2025-03-08 23:07:18,306 INFO L1307 $ProcedureCfgBuilder]: dead code at ProgramPoint L3269: havoc copy_to_user_#t~nondet674#1; [2025-03-08 23:07:18,307 INFO L1307 $ProcedureCfgBuilder]: dead code at ProgramPoint L3261: havoc put_user_#t~nondet673#1; [2025-03-08 23:07:18,420 INFO L1307 $ProcedureCfgBuilder]: dead code at ProgramPoint L1705: havoc zf_open_#t~ret218#1; [2025-03-08 23:07:18,420 INFO L1307 $ProcedureCfgBuilder]: dead code at ProgramPoint L4510: havoc test_and_set_bit_#t~bitwise794#1; [2025-03-08 23:07:22,480 INFO L1307 $ProcedureCfgBuilder]: dead code at ProgramPoint L3504: havoc misc_register_#t~ret713#1; [2025-03-08 23:07:22,620 INFO L? ?]: Removed 648 outVars from TransFormulas that were not future-live. [2025-03-08 23:07:22,620 INFO L307 CfgBuilder]: Performing block encoding [2025-03-08 23:07:22,666 INFO L331 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2025-03-08 23:07:22,666 INFO L336 CfgBuilder]: Removed 0 assume(true) statements. [2025-03-08 23:07:22,667 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 08.03 11:07:22 BoogieIcfgContainer [2025-03-08 23:07:22,667 INFO L131 PluginConnector]: ------------------------ END IcfgBuilder---------------------------- [2025-03-08 23:07:22,669 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2025-03-08 23:07:22,672 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2025-03-08 23:07:22,676 INFO L274 PluginConnector]: TraceAbstraction initialized [2025-03-08 23:07:22,676 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 08.03 11:07:16" (1/3) ... [2025-03-08 23:07:22,677 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5a8817f5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 08.03 11:07:22, skipping insertion in model container [2025-03-08 23:07:22,677 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.03 11:07:17" (2/3) ... [2025-03-08 23:07:22,677 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5a8817f5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 08.03 11:07:22, skipping insertion in model container [2025-03-08 23:07:22,679 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 08.03 11:07:22" (3/3) ... [2025-03-08 23:07:22,680 INFO L128 eAbstractionObserver]: Analyzing ICFG ddv_machzwd_outl_p.i [2025-03-08 23:07:22,690 INFO L216 ceAbstractionStarter]: Automizer settings: Hoare:None NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2025-03-08 23:07:22,692 INFO L151 ceAbstractionStarter]: Applying trace abstraction to ICFG ddv_machzwd_outl_p.i that has 29 procedures, 701 locations, 1 initial locations, 4 loop locations, and 205 error locations. [2025-03-08 23:07:22,735 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2025-03-08 23:07:22,744 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=None, 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;@1da37173, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2025-03-08 23:07:22,745 INFO L334 AbstractCegarLoop]: Starting to check reachability of 205 error locations. [2025-03-08 23:07:22,753 INFO L276 IsEmpty]: Start isEmpty. Operand has 697 states, 387 states have (on average 1.7881136950904393) internal successors, (692), 598 states have internal predecessors, (692), 78 states have call successors, (78), 26 states have call predecessors, (78), 26 states have return successors, (78), 78 states have call predecessors, (78), 78 states have call successors, (78) [2025-03-08 23:07:22,757 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2025-03-08 23:07:22,757 INFO L210 NwaCegarLoop]: Found error trace [2025-03-08 23:07:22,757 INFO L218 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1] [2025-03-08 23:07:22,758 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting spin_lock_initErr2REQUIRES_VIOLATIONMEMORY_DEREFERENCE === [spin_lock_initErr0REQUIRES_VIOLATIONMEMORY_DEREFERENCE, spin_lock_initErr1REQUIRES_VIOLATIONMEMORY_DEREFERENCE, spin_lock_initErr2REQUIRES_VIOLATIONMEMORY_DEREFERENCE (and 202 more)] === [2025-03-08 23:07:22,761 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-08 23:07:22,762 INFO L85 PathProgramCache]: Analyzing trace with hash 926720359, now seen corresponding path program 1 times [2025-03-08 23:07:22,767 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-08 23:07:22,768 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1201316233] [2025-03-08 23:07:22,770 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-08 23:07:22,770 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-08 23:07:24,878 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 5 statements into 1 equivalence classes. [2025-03-08 23:07:25,168 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 5 of 5 statements. [2025-03-08 23:07:25,169 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-08 23:07:25,169 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-08 23:07:25,960 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-03-08 23:07:25,962 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-08 23:07:25,962 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1201316233] [2025-03-08 23:07:25,963 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1201316233] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-08 23:07:25,963 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-08 23:07:25,963 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2025-03-08 23:07:25,964 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [156618571] [2025-03-08 23:07:25,964 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-08 23:07:25,966 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2025-03-08 23:07:25,966 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-08 23:07:25,982 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2025-03-08 23:07:25,983 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2025-03-08 23:07:25,985 INFO L87 Difference]: Start difference. First operand has 697 states, 387 states have (on average 1.7881136950904393) internal successors, (692), 598 states have internal predecessors, (692), 78 states have call successors, (78), 26 states have call predecessors, (78), 26 states have return successors, (78), 78 states have call predecessors, (78), 78 states have call successors, (78) Second operand has 5 states, 4 states have (on average 1.0) internal successors, (4), 3 states have internal predecessors, (4), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-03-08 23:07:27,360 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.36s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2025-03-08 23:07:28,672 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.31s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2025-03-08 23:07:29,652 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-08 23:07:29,653 INFO L93 Difference]: Finished difference Result 1261 states and 1525 transitions. [2025-03-08 23:07:29,654 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2025-03-08 23:07:29,654 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 1.0) internal successors, (4), 3 states have internal predecessors, (4), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 5 [2025-03-08 23:07:29,655 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-03-08 23:07:29,667 INFO L225 Difference]: With dead ends: 1261 [2025-03-08 23:07:29,667 INFO L226 Difference]: Without dead ends: 1257 [2025-03-08 23:07:29,668 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2025-03-08 23:07:29,670 INFO L435 NwaCegarLoop]: 753 mSDtfsCounter, 723 mSDsluCounter, 1748 mSDsCounter, 0 mSdLazyCounter, 1163 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 724 SdHoareTripleChecker+Valid, 2501 SdHoareTripleChecker+Invalid, 1167 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 1163 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.5s IncrementalHoareTripleChecker+Time [2025-03-08 23:07:29,670 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [724 Valid, 2501 Invalid, 1167 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 1163 Invalid, 0 Unknown, 0 Unchecked, 3.5s Time] [2025-03-08 23:07:29,682 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1257 states. [2025-03-08 23:07:29,732 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1257 to 1044. [2025-03-08 23:07:29,734 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1044 states, 651 states have (on average 1.771121351766513) internal successors, (1153), 873 states have internal predecessors, (1153), 138 states have call successors, (138), 50 states have call predecessors, (138), 50 states have return successors, (138), 131 states have call predecessors, (138), 138 states have call successors, (138) [2025-03-08 23:07:29,743 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1044 states to 1044 states and 1429 transitions. [2025-03-08 23:07:29,744 INFO L78 Accepts]: Start accepts. Automaton has 1044 states and 1429 transitions. Word has length 5 [2025-03-08 23:07:29,745 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-03-08 23:07:29,745 INFO L471 AbstractCegarLoop]: Abstraction has 1044 states and 1429 transitions. [2025-03-08 23:07:29,745 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 1.0) internal successors, (4), 3 states have internal predecessors, (4), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-03-08 23:07:29,745 INFO L276 IsEmpty]: Start isEmpty. Operand 1044 states and 1429 transitions. [2025-03-08 23:07:29,745 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2025-03-08 23:07:29,745 INFO L210 NwaCegarLoop]: Found error trace [2025-03-08 23:07:29,746 INFO L218 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1] [2025-03-08 23:07:29,746 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2025-03-08 23:07:29,746 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting spin_lock_initErr3REQUIRES_VIOLATIONMEMORY_DEREFERENCE === [spin_lock_initErr0REQUIRES_VIOLATIONMEMORY_DEREFERENCE, spin_lock_initErr1REQUIRES_VIOLATIONMEMORY_DEREFERENCE, spin_lock_initErr2REQUIRES_VIOLATIONMEMORY_DEREFERENCE (and 202 more)] === [2025-03-08 23:07:29,746 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-08 23:07:29,746 INFO L85 PathProgramCache]: Analyzing trace with hash 926720360, now seen corresponding path program 1 times [2025-03-08 23:07:29,746 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-08 23:07:29,746 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2145605170] [2025-03-08 23:07:29,747 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-08 23:07:29,747 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-08 23:07:31,615 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 5 statements into 1 equivalence classes. [2025-03-08 23:07:31,712 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 5 of 5 statements. [2025-03-08 23:07:31,713 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-08 23:07:31,713 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-08 23:07:32,721 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-03-08 23:07:32,721 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-08 23:07:32,721 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2145605170] [2025-03-08 23:07:32,721 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2145605170] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-08 23:07:32,721 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-08 23:07:32,722 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2025-03-08 23:07:32,722 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1920612482] [2025-03-08 23:07:32,722 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-08 23:07:32,722 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2025-03-08 23:07:32,723 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-08 23:07:32,723 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2025-03-08 23:07:32,723 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2025-03-08 23:07:32,723 INFO L87 Difference]: Start difference. First operand 1044 states and 1429 transitions. Second operand has 5 states, 4 states have (on average 1.0) internal successors, (4), 3 states have internal predecessors, (4), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-03-08 23:07:34,733 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2025-03-08 23:07:36,341 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.61s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2025-03-08 23:07:37,094 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-08 23:07:37,094 INFO L93 Difference]: Finished difference Result 1183 states and 1531 transitions. [2025-03-08 23:07:37,094 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2025-03-08 23:07:37,095 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 1.0) internal successors, (4), 3 states have internal predecessors, (4), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 5 [2025-03-08 23:07:37,095 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-03-08 23:07:37,100 INFO L225 Difference]: With dead ends: 1183 [2025-03-08 23:07:37,100 INFO L226 Difference]: Without dead ends: 1183 [2025-03-08 23:07:37,100 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2025-03-08 23:07:37,101 INFO L435 NwaCegarLoop]: 874 mSDtfsCounter, 279 mSDsluCounter, 1897 mSDsCounter, 0 mSdLazyCounter, 912 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 280 SdHoareTripleChecker+Valid, 2771 SdHoareTripleChecker+Invalid, 913 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 912 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.3s IncrementalHoareTripleChecker+Time [2025-03-08 23:07:37,101 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [280 Valid, 2771 Invalid, 913 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 912 Invalid, 0 Unknown, 0 Unchecked, 4.3s Time] [2025-03-08 23:07:37,103 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1183 states. [2025-03-08 23:07:37,124 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1183 to 1124. [2025-03-08 23:07:37,127 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1124 states, 699 states have (on average 1.7353361945636623) internal successors, (1213), 922 states have internal predecessors, (1213), 157 states have call successors, (157), 63 states have call predecessors, (157), 63 states have return successors, (157), 150 states have call predecessors, (157), 157 states have call successors, (157) [2025-03-08 23:07:37,133 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1124 states to 1124 states and 1527 transitions. [2025-03-08 23:07:37,133 INFO L78 Accepts]: Start accepts. Automaton has 1124 states and 1527 transitions. Word has length 5 [2025-03-08 23:07:37,134 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-03-08 23:07:37,134 INFO L471 AbstractCegarLoop]: Abstraction has 1124 states and 1527 transitions. [2025-03-08 23:07:37,134 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 1.0) internal successors, (4), 3 states have internal predecessors, (4), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-03-08 23:07:37,134 INFO L276 IsEmpty]: Start isEmpty. Operand 1124 states and 1527 transitions. [2025-03-08 23:07:37,135 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2025-03-08 23:07:37,135 INFO L210 NwaCegarLoop]: Found error trace [2025-03-08 23:07:37,135 INFO L218 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-03-08 23:07:37,135 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2025-03-08 23:07:37,135 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr163REQUIRES_VIOLATIONMEMORY_DEREFERENCE === [spin_lock_initErr0REQUIRES_VIOLATIONMEMORY_DEREFERENCE, spin_lock_initErr1REQUIRES_VIOLATIONMEMORY_DEREFERENCE, spin_lock_initErr2REQUIRES_VIOLATIONMEMORY_DEREFERENCE (and 202 more)] === [2025-03-08 23:07:37,136 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-08 23:07:37,136 INFO L85 PathProgramCache]: Analyzing trace with hash -1147177173, now seen corresponding path program 1 times [2025-03-08 23:07:37,136 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-08 23:07:37,136 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1466451808] [2025-03-08 23:07:37,136 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-08 23:07:37,136 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-08 23:07:38,918 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 11 statements into 1 equivalence classes. [2025-03-08 23:07:38,963 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 11 of 11 statements. [2025-03-08 23:07:38,964 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-08 23:07:38,964 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-08 23:07:39,280 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-03-08 23:07:39,280 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-08 23:07:39,280 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1466451808] [2025-03-08 23:07:39,280 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1466451808] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-08 23:07:39,280 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-08 23:07:39,280 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2025-03-08 23:07:39,281 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [272250187] [2025-03-08 23:07:39,281 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-08 23:07:39,281 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2025-03-08 23:07:39,281 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-08 23:07:39,286 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2025-03-08 23:07:39,286 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-03-08 23:07:39,286 INFO L87 Difference]: Start difference. First operand 1124 states and 1527 transitions. Second operand has 3 states, 2 states have (on average 4.5) internal successors, (9), 3 states have internal predecessors, (9), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2025-03-08 23:07:39,730 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-08 23:07:39,730 INFO L93 Difference]: Finished difference Result 1330 states and 1614 transitions. [2025-03-08 23:07:39,731 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-03-08 23:07:39,731 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 4.5) internal successors, (9), 3 states have internal predecessors, (9), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 11 [2025-03-08 23:07:39,732 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-03-08 23:07:39,738 INFO L225 Difference]: With dead ends: 1330 [2025-03-08 23:07:39,738 INFO L226 Difference]: Without dead ends: 1330 [2025-03-08 23:07:39,738 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-03-08 23:07:39,739 INFO L435 NwaCegarLoop]: 737 mSDtfsCounter, 705 mSDsluCounter, 579 mSDsCounter, 0 mSdLazyCounter, 416 mSolverCounterSat, 7 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 705 SdHoareTripleChecker+Valid, 1316 SdHoareTripleChecker+Invalid, 423 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 416 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2025-03-08 23:07:39,741 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [705 Valid, 1316 Invalid, 423 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 416 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2025-03-08 23:07:39,742 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1330 states. [2025-03-08 23:07:39,765 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1330 to 1123. [2025-03-08 23:07:39,767 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1123 states, 699 states have (on average 1.7281831187410586) internal successors, (1208), 921 states have internal predecessors, (1208), 157 states have call successors, (157), 63 states have call predecessors, (157), 63 states have return successors, (157), 150 states have call predecessors, (157), 157 states have call successors, (157) [2025-03-08 23:07:39,771 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1123 states to 1123 states and 1522 transitions. [2025-03-08 23:07:39,771 INFO L78 Accepts]: Start accepts. Automaton has 1123 states and 1522 transitions. Word has length 11 [2025-03-08 23:07:39,771 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-03-08 23:07:39,771 INFO L471 AbstractCegarLoop]: Abstraction has 1123 states and 1522 transitions. [2025-03-08 23:07:39,771 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 4.5) internal successors, (9), 3 states have internal predecessors, (9), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2025-03-08 23:07:39,771 INFO L276 IsEmpty]: Start isEmpty. Operand 1123 states and 1522 transitions. [2025-03-08 23:07:39,772 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2025-03-08 23:07:39,772 INFO L210 NwaCegarLoop]: Found error trace [2025-03-08 23:07:39,772 INFO L218 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-03-08 23:07:39,772 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2025-03-08 23:07:39,772 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr164REQUIRES_VIOLATIONMEMORY_DEREFERENCE === [spin_lock_initErr0REQUIRES_VIOLATIONMEMORY_DEREFERENCE, spin_lock_initErr1REQUIRES_VIOLATIONMEMORY_DEREFERENCE, spin_lock_initErr2REQUIRES_VIOLATIONMEMORY_DEREFERENCE (and 202 more)] === [2025-03-08 23:07:39,772 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-08 23:07:39,772 INFO L85 PathProgramCache]: Analyzing trace with hash -1147177172, now seen corresponding path program 1 times [2025-03-08 23:07:39,772 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-08 23:07:39,773 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1551244277] [2025-03-08 23:07:39,773 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-08 23:07:39,773 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-08 23:07:41,461 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 11 statements into 1 equivalence classes. [2025-03-08 23:07:41,507 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 11 of 11 statements. [2025-03-08 23:07:41,507 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-08 23:07:41,507 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-08 23:07:42,093 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-03-08 23:07:42,093 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-08 23:07:42,093 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1551244277] [2025-03-08 23:07:42,093 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1551244277] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-08 23:07:42,093 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-08 23:07:42,093 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2025-03-08 23:07:42,093 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2026219452] [2025-03-08 23:07:42,093 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-08 23:07:42,094 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2025-03-08 23:07:42,094 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-08 23:07:42,094 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2025-03-08 23:07:42,094 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2025-03-08 23:07:42,094 INFO L87 Difference]: Start difference. First operand 1123 states and 1522 transitions. Second operand has 4 states, 3 states have (on average 3.0) internal successors, (9), 4 states have internal predecessors, (9), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2025-03-08 23:07:43,454 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.36s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2025-03-08 23:07:44,047 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-08 23:07:44,047 INFO L93 Difference]: Finished difference Result 1187 states and 1537 transitions. [2025-03-08 23:07:44,048 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-03-08 23:07:44,048 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 3.0) internal successors, (9), 4 states have internal predecessors, (9), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 11 [2025-03-08 23:07:44,048 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-03-08 23:07:44,052 INFO L225 Difference]: With dead ends: 1187 [2025-03-08 23:07:44,052 INFO L226 Difference]: Without dead ends: 1187 [2025-03-08 23:07:44,052 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2025-03-08 23:07:44,053 INFO L435 NwaCegarLoop]: 871 mSDtfsCounter, 277 mSDsluCounter, 1229 mSDsCounter, 0 mSdLazyCounter, 620 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 277 SdHoareTripleChecker+Valid, 2100 SdHoareTripleChecker+Invalid, 623 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 620 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.9s IncrementalHoareTripleChecker+Time [2025-03-08 23:07:44,053 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [277 Valid, 2100 Invalid, 623 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 620 Invalid, 0 Unknown, 0 Unchecked, 1.9s Time] [2025-03-08 23:07:44,054 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1187 states. [2025-03-08 23:07:44,071 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1187 to 1126. [2025-03-08 23:07:44,072 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1126 states, 702 states have (on average 1.725071225071225) internal successors, (1211), 924 states have internal predecessors, (1211), 157 states have call successors, (157), 63 states have call predecessors, (157), 63 states have return successors, (157), 150 states have call predecessors, (157), 157 states have call successors, (157) [2025-03-08 23:07:44,076 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1126 states to 1126 states and 1525 transitions. [2025-03-08 23:07:44,076 INFO L78 Accepts]: Start accepts. Automaton has 1126 states and 1525 transitions. Word has length 11 [2025-03-08 23:07:44,077 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-03-08 23:07:44,077 INFO L471 AbstractCegarLoop]: Abstraction has 1126 states and 1525 transitions. [2025-03-08 23:07:44,077 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 3.0) internal successors, (9), 4 states have internal predecessors, (9), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2025-03-08 23:07:44,077 INFO L276 IsEmpty]: Start isEmpty. Operand 1126 states and 1525 transitions. [2025-03-08 23:07:44,077 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2025-03-08 23:07:44,077 INFO L210 NwaCegarLoop]: Found error trace [2025-03-08 23:07:44,077 INFO L218 NwaCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-03-08 23:07:44,077 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2025-03-08 23:07:44,077 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr164REQUIRES_VIOLATIONMEMORY_DEREFERENCE === [spin_lock_initErr0REQUIRES_VIOLATIONMEMORY_DEREFERENCE, spin_lock_initErr1REQUIRES_VIOLATIONMEMORY_DEREFERENCE, spin_lock_initErr2REQUIRES_VIOLATIONMEMORY_DEREFERENCE (and 202 more)] === [2025-03-08 23:07:44,078 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-08 23:07:44,078 INFO L85 PathProgramCache]: Analyzing trace with hash -499489766, now seen corresponding path program 1 times [2025-03-08 23:07:44,078 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-08 23:07:44,078 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1976866564] [2025-03-08 23:07:44,078 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-08 23:07:44,078 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-08 23:07:45,932 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 14 statements into 1 equivalence classes. [2025-03-08 23:07:45,976 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 14 of 14 statements. [2025-03-08 23:07:45,977 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-08 23:07:45,977 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-08 23:07:46,614 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-03-08 23:07:46,614 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-08 23:07:46,615 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1976866564] [2025-03-08 23:07:46,615 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1976866564] provided 0 perfect and 1 imperfect interpolant sequences [2025-03-08 23:07:46,615 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [842380445] [2025-03-08 23:07:46,615 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-08 23:07:46,615 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-03-08 23:07:46,615 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-03-08 23:07:46,617 INFO L229 MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-03-08 23:07:46,619 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2025-03-08 23:07:48,549 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 14 statements into 1 equivalence classes. [2025-03-08 23:07:49,001 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 14 of 14 statements. [2025-03-08 23:07:49,001 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-08 23:07:49,001 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-08 23:07:49,017 INFO L256 TraceCheckSpWp]: Trace formula consists of 5614 conjuncts, 10 conjuncts are in the unsatisfiable core [2025-03-08 23:07:49,023 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-03-08 23:07:49,137 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-03-08 23:07:49,137 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-03-08 23:07:49,224 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-03-08 23:07:49,225 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [842380445] provided 0 perfect and 2 imperfect interpolant sequences [2025-03-08 23:07:49,225 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2025-03-08 23:07:49,225 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 3, 4] total 11 [2025-03-08 23:07:49,225 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1114485218] [2025-03-08 23:07:49,225 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2025-03-08 23:07:49,225 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2025-03-08 23:07:49,226 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-08 23:07:49,226 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2025-03-08 23:07:49,226 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=36, Invalid=96, Unknown=0, NotChecked=0, Total=132 [2025-03-08 23:07:49,226 INFO L87 Difference]: Start difference. First operand 1126 states and 1525 transitions. Second operand has 12 states, 11 states have (on average 2.909090909090909) internal successors, (32), 12 states have internal predecessors, (32), 3 states have call successors, (3), 2 states have call predecessors, (3), 2 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) [2025-03-08 23:07:50,249 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.02s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2025-03-08 23:07:52,240 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.98s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2025-03-08 23:07:54,202 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.96s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2025-03-08 23:07:56,083 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.88s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2025-03-08 23:07:57,641 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.56s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2025-03-08 23:07:59,677 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.03s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2025-03-08 23:08:01,400 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-08 23:08:01,400 INFO L93 Difference]: Finished difference Result 1402 states and 1775 transitions. [2025-03-08 23:08:01,400 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2025-03-08 23:08:01,401 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 11 states have (on average 2.909090909090909) internal successors, (32), 12 states have internal predecessors, (32), 3 states have call successors, (3), 2 states have call predecessors, (3), 2 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) Word has length 14 [2025-03-08 23:08:01,401 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-03-08 23:08:01,405 INFO L225 Difference]: With dead ends: 1402 [2025-03-08 23:08:01,405 INFO L226 Difference]: Without dead ends: 1402 [2025-03-08 23:08:01,405 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 38 GetRequests, 22 SyntacticMatches, 0 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 29 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=94, Invalid=212, Unknown=0, NotChecked=0, Total=306 [2025-03-08 23:08:01,406 INFO L435 NwaCegarLoop]: 878 mSDtfsCounter, 745 mSDsluCounter, 4261 mSDsCounter, 0 mSdLazyCounter, 2564 mSolverCounterSat, 147 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 11.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 745 SdHoareTripleChecker+Valid, 5139 SdHoareTripleChecker+Invalid, 2711 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 147 IncrementalHoareTripleChecker+Valid, 2564 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 12.0s IncrementalHoareTripleChecker+Time [2025-03-08 23:08:01,406 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [745 Valid, 5139 Invalid, 2711 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [147 Valid, 2564 Invalid, 0 Unknown, 0 Unchecked, 12.0s Time] [2025-03-08 23:08:01,407 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1402 states. [2025-03-08 23:08:01,428 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1402 to 1278. [2025-03-08 23:08:01,430 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1278 states, 812 states have (on average 1.7105911330049262) internal successors, (1389), 1035 states have internal predecessors, (1389), 184 states have call successors, (184), 79 states have call predecessors, (184), 79 states have return successors, (184), 176 states have call predecessors, (184), 184 states have call successors, (184) [2025-03-08 23:08:01,433 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1278 states to 1278 states and 1757 transitions. [2025-03-08 23:08:01,434 INFO L78 Accepts]: Start accepts. Automaton has 1278 states and 1757 transitions. Word has length 14 [2025-03-08 23:08:01,434 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-03-08 23:08:01,434 INFO L471 AbstractCegarLoop]: Abstraction has 1278 states and 1757 transitions. [2025-03-08 23:08:01,434 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 11 states have (on average 2.909090909090909) internal successors, (32), 12 states have internal predecessors, (32), 3 states have call successors, (3), 2 states have call predecessors, (3), 2 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) [2025-03-08 23:08:01,434 INFO L276 IsEmpty]: Start isEmpty. Operand 1278 states and 1757 transitions. [2025-03-08 23:08:01,434 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2025-03-08 23:08:01,435 INFO L210 NwaCegarLoop]: Found error trace [2025-03-08 23:08:01,435 INFO L218 NwaCegarLoop]: trace histogram [4, 4, 4, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-03-08 23:08:01,450 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2025-03-08 23:08:01,635 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4,2 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-03-08 23:08:01,635 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr161REQUIRES_VIOLATIONMEMORY_DEREFERENCE === [spin_lock_initErr0REQUIRES_VIOLATIONMEMORY_DEREFERENCE, spin_lock_initErr1REQUIRES_VIOLATIONMEMORY_DEREFERENCE, spin_lock_initErr2REQUIRES_VIOLATIONMEMORY_DEREFERENCE (and 202 more)] === [2025-03-08 23:08:01,636 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-08 23:08:01,636 INFO L85 PathProgramCache]: Analyzing trace with hash 1775123445, now seen corresponding path program 1 times [2025-03-08 23:08:01,636 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-08 23:08:01,636 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [884778997] [2025-03-08 23:08:01,636 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-08 23:08:01,636 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-08 23:08:03,386 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 24 statements into 1 equivalence classes. [2025-03-08 23:08:03,422 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 24 of 24 statements. [2025-03-08 23:08:03,423 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-08 23:08:03,423 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-08 23:08:03,684 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2025-03-08 23:08:03,684 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-08 23:08:03,684 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [884778997] [2025-03-08 23:08:03,684 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [884778997] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-08 23:08:03,685 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-08 23:08:03,685 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2025-03-08 23:08:03,685 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [755658622] [2025-03-08 23:08:03,685 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-08 23:08:03,685 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2025-03-08 23:08:03,685 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-08 23:08:03,685 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2025-03-08 23:08:03,685 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-03-08 23:08:03,686 INFO L87 Difference]: Start difference. First operand 1278 states and 1757 transitions. Second operand has 3 states, 2 states have (on average 6.5) internal successors, (13), 3 states have internal predecessors, (13), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2025-03-08 23:08:04,074 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-08 23:08:04,074 INFO L93 Difference]: Finished difference Result 1486 states and 1850 transitions. [2025-03-08 23:08:04,074 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-03-08 23:08:04,075 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 6.5) internal successors, (13), 3 states have internal predecessors, (13), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 24 [2025-03-08 23:08:04,075 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-03-08 23:08:04,079 INFO L225 Difference]: With dead ends: 1486 [2025-03-08 23:08:04,079 INFO L226 Difference]: Without dead ends: 1486 [2025-03-08 23:08:04,079 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-03-08 23:08:04,080 INFO L435 NwaCegarLoop]: 744 mSDtfsCounter, 691 mSDsluCounter, 576 mSDsCounter, 0 mSdLazyCounter, 414 mSolverCounterSat, 11 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 691 SdHoareTripleChecker+Valid, 1320 SdHoareTripleChecker+Invalid, 425 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 11 IncrementalHoareTripleChecker+Valid, 414 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2025-03-08 23:08:04,080 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [691 Valid, 1320 Invalid, 425 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [11 Valid, 414 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2025-03-08 23:08:04,081 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1486 states. [2025-03-08 23:08:04,098 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1486 to 1276. [2025-03-08 23:08:04,099 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1276 states, 812 states have (on average 1.6995073891625616) internal successors, (1380), 1033 states have internal predecessors, (1380), 184 states have call successors, (184), 79 states have call predecessors, (184), 79 states have return successors, (184), 176 states have call predecessors, (184), 184 states have call successors, (184) [2025-03-08 23:08:04,102 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1276 states to 1276 states and 1748 transitions. [2025-03-08 23:08:04,103 INFO L78 Accepts]: Start accepts. Automaton has 1276 states and 1748 transitions. Word has length 24 [2025-03-08 23:08:04,103 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-03-08 23:08:04,103 INFO L471 AbstractCegarLoop]: Abstraction has 1276 states and 1748 transitions. [2025-03-08 23:08:04,103 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 6.5) internal successors, (13), 3 states have internal predecessors, (13), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2025-03-08 23:08:04,103 INFO L276 IsEmpty]: Start isEmpty. Operand 1276 states and 1748 transitions. [2025-03-08 23:08:04,103 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2025-03-08 23:08:04,103 INFO L210 NwaCegarLoop]: Found error trace [2025-03-08 23:08:04,103 INFO L218 NwaCegarLoop]: trace histogram [4, 4, 4, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-03-08 23:08:04,103 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2025-03-08 23:08:04,104 INFO L396 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr162REQUIRES_VIOLATIONMEMORY_DEREFERENCE === [spin_lock_initErr0REQUIRES_VIOLATIONMEMORY_DEREFERENCE, spin_lock_initErr1REQUIRES_VIOLATIONMEMORY_DEREFERENCE, spin_lock_initErr2REQUIRES_VIOLATIONMEMORY_DEREFERENCE (and 202 more)] === [2025-03-08 23:08:04,104 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-08 23:08:04,104 INFO L85 PathProgramCache]: Analyzing trace with hash 1775123446, now seen corresponding path program 1 times [2025-03-08 23:08:04,104 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-08 23:08:04,104 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2126510050] [2025-03-08 23:08:04,104 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-08 23:08:04,104 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-08 23:08:05,782 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 24 statements into 1 equivalence classes. [2025-03-08 23:08:05,819 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 24 of 24 statements. [2025-03-08 23:08:05,819 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-08 23:08:05,819 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-08 23:08:06,179 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 0 proven. 22 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-03-08 23:08:06,179 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-08 23:08:06,179 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2126510050] [2025-03-08 23:08:06,179 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2126510050] provided 0 perfect and 1 imperfect interpolant sequences [2025-03-08 23:08:06,179 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [192482510] [2025-03-08 23:08:06,179 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-08 23:08:06,179 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-03-08 23:08:06,179 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-03-08 23:08:06,181 INFO L229 MonitoredProcess]: Starting monitored process 3 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-03-08 23:08:06,183 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2025-03-08 23:08:08,146 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 24 statements into 1 equivalence classes. [2025-03-08 23:08:08,588 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 24 of 24 statements. [2025-03-08 23:08:08,588 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-08 23:08:08,588 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-08 23:08:08,604 INFO L256 TraceCheckSpWp]: Trace formula consists of 5674 conjuncts, 6 conjuncts are in the unsatisfiable core [2025-03-08 23:08:08,607 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-03-08 23:08:08,637 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 0 proven. 22 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-03-08 23:08:08,637 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-03-08 23:08:08,691 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 0 proven. 22 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-03-08 23:08:08,692 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [192482510] provided 0 perfect and 2 imperfect interpolant sequences [2025-03-08 23:08:08,692 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2025-03-08 23:08:08,692 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 7, 7] total 13 [2025-03-08 23:08:08,692 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [767269734] [2025-03-08 23:08:08,692 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2025-03-08 23:08:08,692 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2025-03-08 23:08:08,692 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-08 23:08:08,692 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2025-03-08 23:08:08,692 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=78, Invalid=78, Unknown=0, NotChecked=0, Total=156 [2025-03-08 23:08:08,692 INFO L87 Difference]: Start difference. First operand 1276 states and 1748 transitions. Second operand has 13 states, 13 states have (on average 3.076923076923077) internal successors, (40), 13 states have internal predecessors, (40), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2025-03-08 23:08:08,804 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-08 23:08:08,804 INFO L93 Difference]: Finished difference Result 1294 states and 1766 transitions. [2025-03-08 23:08:08,805 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2025-03-08 23:08:08,805 INFO L78 Accepts]: Start accepts. Automaton has has 13 states, 13 states have (on average 3.076923076923077) internal successors, (40), 13 states have internal predecessors, (40), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 24 [2025-03-08 23:08:08,805 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-03-08 23:08:08,809 INFO L225 Difference]: With dead ends: 1294 [2025-03-08 23:08:08,809 INFO L226 Difference]: Without dead ends: 1294 [2025-03-08 23:08:08,809 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 53 GetRequests, 42 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 16 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=78, Invalid=78, Unknown=0, NotChecked=0, Total=156 [2025-03-08 23:08:08,810 INFO L435 NwaCegarLoop]: 812 mSDtfsCounter, 13 mSDsluCounter, 3232 mSDsCounter, 0 mSdLazyCounter, 143 mSolverCounterSat, 8 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 13 SdHoareTripleChecker+Valid, 4044 SdHoareTripleChecker+Invalid, 151 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 8 IncrementalHoareTripleChecker+Valid, 143 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2025-03-08 23:08:08,811 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [13 Valid, 4044 Invalid, 151 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [8 Valid, 143 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2025-03-08 23:08:08,812 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1294 states. [2025-03-08 23:08:08,826 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1294 to 1294. [2025-03-08 23:08:08,828 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1294 states, 830 states have (on average 1.6843373493975904) internal successors, (1398), 1051 states have internal predecessors, (1398), 184 states have call successors, (184), 79 states have call predecessors, (184), 79 states have return successors, (184), 176 states have call predecessors, (184), 184 states have call successors, (184) [2025-03-08 23:08:08,831 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1294 states to 1294 states and 1766 transitions. [2025-03-08 23:08:08,831 INFO L78 Accepts]: Start accepts. Automaton has 1294 states and 1766 transitions. Word has length 24 [2025-03-08 23:08:08,831 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-03-08 23:08:08,831 INFO L471 AbstractCegarLoop]: Abstraction has 1294 states and 1766 transitions. [2025-03-08 23:08:08,831 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 13 states have (on average 3.076923076923077) internal successors, (40), 13 states have internal predecessors, (40), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2025-03-08 23:08:08,832 INFO L276 IsEmpty]: Start isEmpty. Operand 1294 states and 1766 transitions. [2025-03-08 23:08:08,833 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 43 [2025-03-08 23:08:08,833 INFO L210 NwaCegarLoop]: Found error trace [2025-03-08 23:08:08,833 INFO L218 NwaCegarLoop]: trace histogram [10, 10, 10, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-03-08 23:08:08,853 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Ended with exit code 0 [2025-03-08 23:08:09,033 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable6 [2025-03-08 23:08:09,033 INFO L396 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr162REQUIRES_VIOLATIONMEMORY_DEREFERENCE === [spin_lock_initErr0REQUIRES_VIOLATIONMEMORY_DEREFERENCE, spin_lock_initErr1REQUIRES_VIOLATIONMEMORY_DEREFERENCE, spin_lock_initErr2REQUIRES_VIOLATIONMEMORY_DEREFERENCE (and 202 more)] === [2025-03-08 23:08:09,034 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-08 23:08:09,034 INFO L85 PathProgramCache]: Analyzing trace with hash -2109337546, now seen corresponding path program 2 times [2025-03-08 23:08:09,034 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-08 23:08:09,034 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [433984948] [2025-03-08 23:08:09,034 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2025-03-08 23:08:09,034 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-08 23:08:10,727 INFO L108 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 partitioned 42 statements into 2 equivalence classes. [2025-03-08 23:08:10,758 INFO L111 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s) and asserted 12 of 42 statements. [2025-03-08 23:08:10,758 INFO L114 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s) [2025-03-08 23:08:10,758 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-08 23:08:11,230 INFO L134 CoverageAnalysis]: Checked inductivity of 145 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 145 trivial. 0 not checked. [2025-03-08 23:08:11,230 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-08 23:08:11,230 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [433984948] [2025-03-08 23:08:11,230 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [433984948] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-08 23:08:11,230 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-08 23:08:11,231 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2025-03-08 23:08:11,231 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [705216664] [2025-03-08 23:08:11,231 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-08 23:08:11,231 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2025-03-08 23:08:11,232 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-08 23:08:11,232 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2025-03-08 23:08:11,232 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2025-03-08 23:08:11,232 INFO L87 Difference]: Start difference. First operand 1294 states and 1766 transitions. Second operand has 4 states, 3 states have (on average 4.333333333333333) internal successors, (13), 4 states have internal predecessors, (13), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2025-03-08 23:08:12,498 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.26s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2025-03-08 23:08:12,880 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-08 23:08:12,880 INFO L93 Difference]: Finished difference Result 1350 states and 1778 transitions. [2025-03-08 23:08:12,881 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-03-08 23:08:12,881 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 4.333333333333333) internal successors, (13), 4 states have internal predecessors, (13), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 42 [2025-03-08 23:08:12,881 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-03-08 23:08:12,884 INFO L225 Difference]: With dead ends: 1350 [2025-03-08 23:08:12,884 INFO L226 Difference]: Without dead ends: 1350 [2025-03-08 23:08:12,885 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2025-03-08 23:08:12,885 INFO L435 NwaCegarLoop]: 867 mSDtfsCounter, 255 mSDsluCounter, 705 mSDsCounter, 0 mSdLazyCounter, 439 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 255 SdHoareTripleChecker+Valid, 1572 SdHoareTripleChecker+Invalid, 441 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 439 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.6s IncrementalHoareTripleChecker+Time [2025-03-08 23:08:12,885 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [255 Valid, 1572 Invalid, 441 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 439 Invalid, 0 Unknown, 0 Unchecked, 1.6s Time] [2025-03-08 23:08:12,886 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1350 states. [2025-03-08 23:08:12,900 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1350 to 1292. [2025-03-08 23:08:12,902 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1292 states, 830 states have (on average 1.6819277108433734) internal successors, (1396), 1049 states have internal predecessors, (1396), 184 states have call successors, (184), 79 states have call predecessors, (184), 79 states have return successors, (184), 176 states have call predecessors, (184), 184 states have call successors, (184) [2025-03-08 23:08:12,905 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1292 states to 1292 states and 1764 transitions. [2025-03-08 23:08:12,905 INFO L78 Accepts]: Start accepts. Automaton has 1292 states and 1764 transitions. Word has length 42 [2025-03-08 23:08:12,906 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-03-08 23:08:12,906 INFO L471 AbstractCegarLoop]: Abstraction has 1292 states and 1764 transitions. [2025-03-08 23:08:12,906 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 4.333333333333333) internal successors, (13), 4 states have internal predecessors, (13), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2025-03-08 23:08:12,906 INFO L276 IsEmpty]: Start isEmpty. Operand 1292 states and 1764 transitions. [2025-03-08 23:08:12,908 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 67 [2025-03-08 23:08:12,909 INFO L210 NwaCegarLoop]: Found error trace [2025-03-08 23:08:12,909 INFO L218 NwaCegarLoop]: trace histogram [10, 10, 10, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-03-08 23:08:12,909 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2025-03-08 23:08:12,909 INFO L396 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr157REQUIRES_VIOLATIONMEMORY_DEREFERENCE === [spin_lock_initErr0REQUIRES_VIOLATIONMEMORY_DEREFERENCE, spin_lock_initErr1REQUIRES_VIOLATIONMEMORY_DEREFERENCE, spin_lock_initErr2REQUIRES_VIOLATIONMEMORY_DEREFERENCE (and 202 more)] === [2025-03-08 23:08:12,909 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-08 23:08:12,910 INFO L85 PathProgramCache]: Analyzing trace with hash -191873309, now seen corresponding path program 1 times [2025-03-08 23:08:12,910 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-08 23:08:12,910 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1794693383] [2025-03-08 23:08:12,910 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-08 23:08:12,910 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-08 23:08:14,692 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 66 statements into 1 equivalence classes. [2025-03-08 23:08:14,730 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 66 of 66 statements. [2025-03-08 23:08:14,731 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-08 23:08:14,731 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-08 23:08:15,024 INFO L134 CoverageAnalysis]: Checked inductivity of 146 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 146 trivial. 0 not checked. [2025-03-08 23:08:15,024 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-08 23:08:15,024 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1794693383] [2025-03-08 23:08:15,024 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1794693383] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-08 23:08:15,024 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-08 23:08:15,024 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2025-03-08 23:08:15,025 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1912123137] [2025-03-08 23:08:15,025 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-08 23:08:15,025 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2025-03-08 23:08:15,025 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-08 23:08:15,025 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2025-03-08 23:08:15,025 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-03-08 23:08:15,025 INFO L87 Difference]: Start difference. First operand 1292 states and 1764 transitions. Second operand has 3 states, 3 states have (on average 10.333333333333334) internal successors, (31), 3 states have internal predecessors, (31), 2 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 2 states have call predecessors, (4), 2 states have call successors, (4) [2025-03-08 23:08:15,048 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-08 23:08:15,049 INFO L93 Difference]: Finished difference Result 1291 states and 1761 transitions. [2025-03-08 23:08:15,049 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-03-08 23:08:15,049 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 10.333333333333334) internal successors, (31), 3 states have internal predecessors, (31), 2 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 2 states have call predecessors, (4), 2 states have call successors, (4) Word has length 66 [2025-03-08 23:08:15,049 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-03-08 23:08:15,052 INFO L225 Difference]: With dead ends: 1291 [2025-03-08 23:08:15,052 INFO L226 Difference]: Without dead ends: 1291 [2025-03-08 23:08:15,052 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 [2025-03-08 23:08:15,053 INFO L435 NwaCegarLoop]: 815 mSDtfsCounter, 814 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 18 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 814 SdHoareTripleChecker+Valid, 815 SdHoareTripleChecker+Invalid, 19 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 18 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2025-03-08 23:08:15,053 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [814 Valid, 815 Invalid, 19 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 18 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2025-03-08 23:08:15,054 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1291 states. [2025-03-08 23:08:15,066 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1291 to 1291. [2025-03-08 23:08:15,068 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1291 states, 829 states have (on average 1.6803377563329311) internal successors, (1393), 1048 states have internal predecessors, (1393), 184 states have call successors, (184), 79 states have call predecessors, (184), 79 states have return successors, (184), 176 states have call predecessors, (184), 184 states have call successors, (184) [2025-03-08 23:08:15,071 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1291 states to 1291 states and 1761 transitions. [2025-03-08 23:08:15,071 INFO L78 Accepts]: Start accepts. Automaton has 1291 states and 1761 transitions. Word has length 66 [2025-03-08 23:08:15,071 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-03-08 23:08:15,071 INFO L471 AbstractCegarLoop]: Abstraction has 1291 states and 1761 transitions. [2025-03-08 23:08:15,071 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 10.333333333333334) internal successors, (31), 3 states have internal predecessors, (31), 2 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 2 states have call predecessors, (4), 2 states have call successors, (4) [2025-03-08 23:08:15,071 INFO L276 IsEmpty]: Start isEmpty. Operand 1291 states and 1761 transitions. [2025-03-08 23:08:15,072 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 69 [2025-03-08 23:08:15,072 INFO L210 NwaCegarLoop]: Found error trace [2025-03-08 23:08:15,072 INFO L218 NwaCegarLoop]: trace histogram [10, 10, 10, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-03-08 23:08:15,072 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2025-03-08 23:08:15,072 INFO L396 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr157REQUIRES_VIOLATIONMEMORY_DEREFERENCE === [spin_lock_initErr0REQUIRES_VIOLATIONMEMORY_DEREFERENCE, spin_lock_initErr1REQUIRES_VIOLATIONMEMORY_DEREFERENCE, spin_lock_initErr2REQUIRES_VIOLATIONMEMORY_DEREFERENCE (and 202 more)] === [2025-03-08 23:08:15,072 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-08 23:08:15,072 INFO L85 PathProgramCache]: Analyzing trace with hash 294358723, now seen corresponding path program 1 times [2025-03-08 23:08:15,072 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-08 23:08:15,073 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [524478383] [2025-03-08 23:08:15,073 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-08 23:08:15,073 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-08 23:08:16,766 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 68 statements into 1 equivalence classes. [2025-03-08 23:08:16,806 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 68 of 68 statements. [2025-03-08 23:08:16,806 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-08 23:08:16,806 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-08 23:08:17,148 INFO L134 CoverageAnalysis]: Checked inductivity of 146 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 146 trivial. 0 not checked. [2025-03-08 23:08:17,149 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-08 23:08:17,149 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [524478383] [2025-03-08 23:08:17,149 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [524478383] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-08 23:08:17,149 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-08 23:08:17,149 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2025-03-08 23:08:17,149 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [339768618] [2025-03-08 23:08:17,149 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-08 23:08:17,150 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2025-03-08 23:08:17,150 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-08 23:08:17,150 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2025-03-08 23:08:17,150 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-03-08 23:08:17,150 INFO L87 Difference]: Start difference. First operand 1291 states and 1761 transitions. Second operand has 3 states, 2 states have (on average 16.5) internal successors, (33), 3 states have internal predecessors, (33), 1 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 1 states have call predecessors, (4), 1 states have call successors, (4) [2025-03-08 23:08:19,252 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.10s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2025-03-08 23:08:19,461 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-08 23:08:19,461 INFO L93 Difference]: Finished difference Result 1290 states and 1760 transitions. [2025-03-08 23:08:19,461 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-03-08 23:08:19,461 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 16.5) internal successors, (33), 3 states have internal predecessors, (33), 1 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 1 states have call predecessors, (4), 1 states have call successors, (4) Word has length 68 [2025-03-08 23:08:19,462 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-03-08 23:08:19,465 INFO L225 Difference]: With dead ends: 1290 [2025-03-08 23:08:19,465 INFO L226 Difference]: Without dead ends: 1290 [2025-03-08 23:08:19,465 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-03-08 23:08:19,465 INFO L435 NwaCegarLoop]: 814 mSDtfsCounter, 1 mSDsluCounter, 606 mSDsCounter, 0 mSdLazyCounter, 241 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2 SdHoareTripleChecker+Valid, 1420 SdHoareTripleChecker+Invalid, 241 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 241 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.3s IncrementalHoareTripleChecker+Time [2025-03-08 23:08:19,465 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [2 Valid, 1420 Invalid, 241 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 241 Invalid, 0 Unknown, 0 Unchecked, 2.3s Time] [2025-03-08 23:08:19,466 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1290 states. [2025-03-08 23:08:19,478 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1290 to 1290. [2025-03-08 23:08:19,480 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1290 states, 829 states have (on average 1.6791314837153197) internal successors, (1392), 1047 states have internal predecessors, (1392), 184 states have call successors, (184), 79 states have call predecessors, (184), 79 states have return successors, (184), 176 states have call predecessors, (184), 184 states have call successors, (184) [2025-03-08 23:08:19,482 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1290 states to 1290 states and 1760 transitions. [2025-03-08 23:08:19,482 INFO L78 Accepts]: Start accepts. Automaton has 1290 states and 1760 transitions. Word has length 68 [2025-03-08 23:08:19,483 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-03-08 23:08:19,483 INFO L471 AbstractCegarLoop]: Abstraction has 1290 states and 1760 transitions. [2025-03-08 23:08:19,483 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 16.5) internal successors, (33), 3 states have internal predecessors, (33), 1 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 1 states have call predecessors, (4), 1 states have call successors, (4) [2025-03-08 23:08:19,483 INFO L276 IsEmpty]: Start isEmpty. Operand 1290 states and 1760 transitions. [2025-03-08 23:08:19,483 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 69 [2025-03-08 23:08:19,483 INFO L210 NwaCegarLoop]: Found error trace [2025-03-08 23:08:19,484 INFO L218 NwaCegarLoop]: trace histogram [10, 10, 10, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-03-08 23:08:19,484 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2025-03-08 23:08:19,484 INFO L396 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr158REQUIRES_VIOLATIONMEMORY_DEREFERENCE === [spin_lock_initErr0REQUIRES_VIOLATIONMEMORY_DEREFERENCE, spin_lock_initErr1REQUIRES_VIOLATIONMEMORY_DEREFERENCE, spin_lock_initErr2REQUIRES_VIOLATIONMEMORY_DEREFERENCE (and 202 more)] === [2025-03-08 23:08:19,488 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-08 23:08:19,488 INFO L85 PathProgramCache]: Analyzing trace with hash 294358724, now seen corresponding path program 1 times [2025-03-08 23:08:19,488 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-08 23:08:19,488 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1827248206] [2025-03-08 23:08:19,488 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-08 23:08:19,488 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-08 23:08:21,194 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 68 statements into 1 equivalence classes. [2025-03-08 23:08:21,233 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 68 of 68 statements. [2025-03-08 23:08:21,233 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-08 23:08:21,233 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-08 23:08:21,840 INFO L134 CoverageAnalysis]: Checked inductivity of 146 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 146 trivial. 0 not checked. [2025-03-08 23:08:21,841 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-08 23:08:21,841 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1827248206] [2025-03-08 23:08:21,841 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1827248206] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-08 23:08:21,841 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-08 23:08:21,841 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2025-03-08 23:08:21,841 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [442183418] [2025-03-08 23:08:21,841 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-08 23:08:21,841 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2025-03-08 23:08:21,841 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-08 23:08:21,842 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2025-03-08 23:08:21,842 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2025-03-08 23:08:21,842 INFO L87 Difference]: Start difference. First operand 1290 states and 1760 transitions. Second operand has 4 states, 3 states have (on average 11.0) internal successors, (33), 4 states have internal predecessors, (33), 2 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 2 states have call predecessors, (4), 2 states have call successors, (4) [2025-03-08 23:08:23,308 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.46s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2025-03-08 23:08:23,545 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-08 23:08:23,545 INFO L93 Difference]: Finished difference Result 1289 states and 1759 transitions. [2025-03-08 23:08:23,545 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-03-08 23:08:23,545 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 11.0) internal successors, (33), 4 states have internal predecessors, (33), 2 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 2 states have call predecessors, (4), 2 states have call successors, (4) Word has length 68 [2025-03-08 23:08:23,545 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-03-08 23:08:23,548 INFO L225 Difference]: With dead ends: 1289 [2025-03-08 23:08:23,548 INFO L226 Difference]: Without dead ends: 1289 [2025-03-08 23:08:23,549 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2025-03-08 23:08:23,549 INFO L435 NwaCegarLoop]: 812 mSDtfsCounter, 809 mSDsluCounter, 611 mSDsCounter, 0 mSdLazyCounter, 238 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 809 SdHoareTripleChecker+Valid, 1423 SdHoareTripleChecker+Invalid, 238 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 238 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.7s IncrementalHoareTripleChecker+Time [2025-03-08 23:08:23,549 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [809 Valid, 1423 Invalid, 238 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 238 Invalid, 0 Unknown, 0 Unchecked, 1.7s Time] [2025-03-08 23:08:23,550 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1289 states. [2025-03-08 23:08:23,578 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1289 to 1289. [2025-03-08 23:08:23,579 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1289 states, 829 states have (on average 1.677925211097708) internal successors, (1391), 1046 states have internal predecessors, (1391), 184 states have call successors, (184), 79 states have call predecessors, (184), 79 states have return successors, (184), 176 states have call predecessors, (184), 184 states have call successors, (184) [2025-03-08 23:08:23,581 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1289 states to 1289 states and 1759 transitions. [2025-03-08 23:08:23,581 INFO L78 Accepts]: Start accepts. Automaton has 1289 states and 1759 transitions. Word has length 68 [2025-03-08 23:08:23,581 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-03-08 23:08:23,581 INFO L471 AbstractCegarLoop]: Abstraction has 1289 states and 1759 transitions. [2025-03-08 23:08:23,582 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 11.0) internal successors, (33), 4 states have internal predecessors, (33), 2 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 2 states have call predecessors, (4), 2 states have call successors, (4) [2025-03-08 23:08:23,582 INFO L276 IsEmpty]: Start isEmpty. Operand 1289 states and 1759 transitions. [2025-03-08 23:08:23,583 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 74 [2025-03-08 23:08:23,583 INFO L210 NwaCegarLoop]: Found error trace [2025-03-08 23:08:23,583 INFO L218 NwaCegarLoop]: trace histogram [10, 10, 10, 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] [2025-03-08 23:08:23,583 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2025-03-08 23:08:23,583 INFO L396 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK === [spin_lock_initErr0REQUIRES_VIOLATIONMEMORY_DEREFERENCE, spin_lock_initErr1REQUIRES_VIOLATIONMEMORY_DEREFERENCE, spin_lock_initErr2REQUIRES_VIOLATIONMEMORY_DEREFERENCE (and 202 more)] === [2025-03-08 23:08:23,584 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-08 23:08:23,584 INFO L85 PathProgramCache]: Analyzing trace with hash 95286464, now seen corresponding path program 1 times [2025-03-08 23:08:23,584 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-08 23:08:23,584 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [638635793] [2025-03-08 23:08:23,584 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-08 23:08:23,584 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-08 23:08:25,260 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 73 statements into 1 equivalence classes. [2025-03-08 23:08:25,296 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 73 of 73 statements. [2025-03-08 23:08:25,296 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-08 23:08:25,297 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-08 23:08:25,444 INFO L134 CoverageAnalysis]: Checked inductivity of 149 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 149 trivial. 0 not checked. [2025-03-08 23:08:25,444 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-08 23:08:25,444 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [638635793] [2025-03-08 23:08:25,444 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [638635793] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-08 23:08:25,444 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-08 23:08:25,444 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2025-03-08 23:08:25,444 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [654154256] [2025-03-08 23:08:25,444 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-08 23:08:25,445 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2025-03-08 23:08:25,446 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-08 23:08:25,446 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2025-03-08 23:08:25,446 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-03-08 23:08:25,446 INFO L87 Difference]: Start difference. First operand 1289 states and 1759 transitions. Second operand has 3 states, 2 states have (on average 17.0) internal successors, (34), 3 states have internal predecessors, (34), 2 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) [2025-03-08 23:08:28,615 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 3.17s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2025-03-08 23:08:28,843 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-08 23:08:28,843 INFO L93 Difference]: Finished difference Result 1330 states and 1768 transitions. [2025-03-08 23:08:28,843 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-03-08 23:08:28,843 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 17.0) internal successors, (34), 3 states have internal predecessors, (34), 2 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) Word has length 73 [2025-03-08 23:08:28,843 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-03-08 23:08:28,847 INFO L225 Difference]: With dead ends: 1330 [2025-03-08 23:08:28,847 INFO L226 Difference]: Without dead ends: 1318 [2025-03-08 23:08:28,847 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-03-08 23:08:28,847 INFO L435 NwaCegarLoop]: 799 mSDtfsCounter, 95 mSDsluCounter, 579 mSDsCounter, 0 mSdLazyCounter, 285 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 104 SdHoareTripleChecker+Valid, 1378 SdHoareTripleChecker+Invalid, 285 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 285 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.4s IncrementalHoareTripleChecker+Time [2025-03-08 23:08:28,847 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [104 Valid, 1378 Invalid, 285 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 285 Invalid, 0 Unknown, 0 Unchecked, 3.4s Time] [2025-03-08 23:08:28,849 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1318 states. [2025-03-08 23:08:28,864 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1318 to 1285. [2025-03-08 23:08:28,865 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1285 states, 827 states have (on average 1.6783555018137848) internal successors, (1388), 1044 states have internal predecessors, (1388), 183 states have call successors, (183), 79 states have call predecessors, (183), 78 states have return successors, (181), 174 states have call predecessors, (181), 181 states have call successors, (181) [2025-03-08 23:08:28,867 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1285 states to 1285 states and 1752 transitions. [2025-03-08 23:08:28,867 INFO L78 Accepts]: Start accepts. Automaton has 1285 states and 1752 transitions. Word has length 73 [2025-03-08 23:08:28,867 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-03-08 23:08:28,867 INFO L471 AbstractCegarLoop]: Abstraction has 1285 states and 1752 transitions. [2025-03-08 23:08:28,868 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 17.0) internal successors, (34), 3 states have internal predecessors, (34), 2 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) [2025-03-08 23:08:28,868 INFO L276 IsEmpty]: Start isEmpty. Operand 1285 states and 1752 transitions. [2025-03-08 23:08:28,868 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 78 [2025-03-08 23:08:28,869 INFO L210 NwaCegarLoop]: Found error trace [2025-03-08 23:08:28,869 INFO L218 NwaCegarLoop]: trace histogram [10, 10, 10, 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] [2025-03-08 23:08:28,869 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2025-03-08 23:08:28,869 INFO L396 AbstractCegarLoop]: === Iteration 13 === Targeting spin_lock_initErr2REQUIRES_VIOLATIONMEMORY_DEREFERENCE === [spin_lock_initErr0REQUIRES_VIOLATIONMEMORY_DEREFERENCE, spin_lock_initErr1REQUIRES_VIOLATIONMEMORY_DEREFERENCE, spin_lock_initErr2REQUIRES_VIOLATIONMEMORY_DEREFERENCE (and 202 more)] === [2025-03-08 23:08:28,869 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-08 23:08:28,869 INFO L85 PathProgramCache]: Analyzing trace with hash -661748068, now seen corresponding path program 1 times [2025-03-08 23:08:28,869 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-08 23:08:28,869 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [21189005] [2025-03-08 23:08:28,870 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-08 23:08:28,870 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-08 23:08:30,530 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 77 statements into 1 equivalence classes. [2025-03-08 23:08:30,587 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 77 of 77 statements. [2025-03-08 23:08:30,587 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-08 23:08:30,587 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-08 23:08:31,402 INFO L134 CoverageAnalysis]: Checked inductivity of 151 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 149 trivial. 0 not checked. [2025-03-08 23:08:31,403 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-08 23:08:31,403 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [21189005] [2025-03-08 23:08:31,403 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [21189005] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-08 23:08:31,403 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-08 23:08:31,403 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2025-03-08 23:08:31,403 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1444213937] [2025-03-08 23:08:31,403 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-08 23:08:31,403 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2025-03-08 23:08:31,403 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-08 23:08:31,404 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2025-03-08 23:08:31,404 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2025-03-08 23:08:31,404 INFO L87 Difference]: Start difference. First operand 1285 states and 1752 transitions. Second operand has 7 states, 6 states have (on average 6.166666666666667) internal successors, (37), 6 states have internal predecessors, (37), 4 states have call successors, (6), 2 states have call predecessors, (6), 1 states have return successors, (5), 3 states have call predecessors, (5), 3 states have call successors, (5) [2025-03-08 23:08:32,823 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.42s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2025-03-08 23:08:35,150 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.32s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2025-03-08 23:08:37,405 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.25s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2025-03-08 23:08:38,372 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-08 23:08:38,372 INFO L93 Difference]: Finished difference Result 1843 states and 2426 transitions. [2025-03-08 23:08:38,372 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2025-03-08 23:08:38,373 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 6 states have (on average 6.166666666666667) internal successors, (37), 6 states have internal predecessors, (37), 4 states have call successors, (6), 2 states have call predecessors, (6), 1 states have return successors, (5), 3 states have call predecessors, (5), 3 states have call successors, (5) Word has length 77 [2025-03-08 23:08:38,373 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-03-08 23:08:38,377 INFO L225 Difference]: With dead ends: 1843 [2025-03-08 23:08:38,378 INFO L226 Difference]: Without dead ends: 1843 [2025-03-08 23:08:38,378 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 7 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=32, Invalid=58, Unknown=0, NotChecked=0, Total=90 [2025-03-08 23:08:38,378 INFO L435 NwaCegarLoop]: 684 mSDtfsCounter, 802 mSDsluCounter, 2459 mSDsCounter, 0 mSdLazyCounter, 1774 mSolverCounterSat, 8 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 6.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 803 SdHoareTripleChecker+Valid, 3143 SdHoareTripleChecker+Invalid, 1782 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 8 IncrementalHoareTripleChecker+Valid, 1774 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 6.9s IncrementalHoareTripleChecker+Time [2025-03-08 23:08:38,379 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [803 Valid, 3143 Invalid, 1782 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [8 Valid, 1774 Invalid, 0 Unknown, 0 Unchecked, 6.9s Time] [2025-03-08 23:08:38,381 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1843 states. [2025-03-08 23:08:38,399 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1843 to 1620. [2025-03-08 23:08:38,400 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1620 states, 1083 states have (on average 1.7026777469990766) internal successors, (1844), 1311 states have internal predecessors, (1844), 241 states have call successors, (241), 101 states have call predecessors, (241), 100 states have return successors, (239), 225 states have call predecessors, (239), 239 states have call successors, (239) [2025-03-08 23:08:38,403 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1620 states to 1620 states and 2324 transitions. [2025-03-08 23:08:38,403 INFO L78 Accepts]: Start accepts. Automaton has 1620 states and 2324 transitions. Word has length 77 [2025-03-08 23:08:38,403 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-03-08 23:08:38,403 INFO L471 AbstractCegarLoop]: Abstraction has 1620 states and 2324 transitions. [2025-03-08 23:08:38,403 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 6 states have (on average 6.166666666666667) internal successors, (37), 6 states have internal predecessors, (37), 4 states have call successors, (6), 2 states have call predecessors, (6), 1 states have return successors, (5), 3 states have call predecessors, (5), 3 states have call successors, (5) [2025-03-08 23:08:38,403 INFO L276 IsEmpty]: Start isEmpty. Operand 1620 states and 2324 transitions. [2025-03-08 23:08:38,406 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 78 [2025-03-08 23:08:38,406 INFO L210 NwaCegarLoop]: Found error trace [2025-03-08 23:08:38,407 INFO L218 NwaCegarLoop]: trace histogram [10, 10, 10, 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] [2025-03-08 23:08:38,407 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2025-03-08 23:08:38,407 INFO L396 AbstractCegarLoop]: === Iteration 14 === Targeting spin_lock_initErr3REQUIRES_VIOLATIONMEMORY_DEREFERENCE === [spin_lock_initErr0REQUIRES_VIOLATIONMEMORY_DEREFERENCE, spin_lock_initErr1REQUIRES_VIOLATIONMEMORY_DEREFERENCE, spin_lock_initErr2REQUIRES_VIOLATIONMEMORY_DEREFERENCE (and 202 more)] === [2025-03-08 23:08:38,407 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-08 23:08:38,407 INFO L85 PathProgramCache]: Analyzing trace with hash -661748067, now seen corresponding path program 1 times [2025-03-08 23:08:38,407 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-08 23:08:38,407 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [399797041] [2025-03-08 23:08:38,407 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-08 23:08:38,408 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-08 23:08:40,103 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 77 statements into 1 equivalence classes. [2025-03-08 23:08:40,152 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 77 of 77 statements. [2025-03-08 23:08:40,152 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-08 23:08:40,152 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-08 23:08:41,164 INFO L134 CoverageAnalysis]: Checked inductivity of 151 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 149 trivial. 0 not checked. [2025-03-08 23:08:41,164 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-08 23:08:41,164 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [399797041] [2025-03-08 23:08:41,164 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [399797041] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-08 23:08:41,165 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-08 23:08:41,165 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2025-03-08 23:08:41,165 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [782245634] [2025-03-08 23:08:41,165 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-08 23:08:41,165 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2025-03-08 23:08:41,165 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-08 23:08:41,165 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2025-03-08 23:08:41,165 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2025-03-08 23:08:41,165 INFO L87 Difference]: Start difference. First operand 1620 states and 2324 transitions. Second operand has 7 states, 6 states have (on average 6.166666666666667) internal successors, (37), 6 states have internal predecessors, (37), 4 states have call successors, (6), 2 states have call predecessors, (6), 1 states have return successors, (5), 3 states have call predecessors, (5), 3 states have call successors, (5) [2025-03-08 23:08:42,622 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.45s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2025-03-08 23:08:43,786 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.16s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2025-03-08 23:08:44,923 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.13s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers []