./Ultimate.py --spec ../sv-benchmarks/c/properties/valid-memsafety.prp --file ../sv-benchmarks/c/ddv-machzwd/ddv_machzwd_outw_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_outw_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 7b53e6434f29888ec2b0851eb0bdc5bf356c532d72069865339d3ff2265f37df --- Real Ultimate output --- This is Ultimate 0.3.0-?-e2fb8be-m [2025-03-08 23:07:40,250 INFO L188 SettingsManager]: Resetting all preferences to default values... [2025-03-08 23:07:40,305 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-DerefFreeMemtrack-32bit-Automizer_Default.epf [2025-03-08 23:07:40,311 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2025-03-08 23:07:40,312 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2025-03-08 23:07:40,333 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2025-03-08 23:07:40,334 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2025-03-08 23:07:40,334 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2025-03-08 23:07:40,334 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2025-03-08 23:07:40,335 INFO L153 SettingsManager]: * Use memory slicer=true [2025-03-08 23:07:40,335 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2025-03-08 23:07:40,335 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2025-03-08 23:07:40,335 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2025-03-08 23:07:40,336 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2025-03-08 23:07:40,336 INFO L153 SettingsManager]: * Use SBE=true [2025-03-08 23:07:40,336 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2025-03-08 23:07:40,336 INFO L153 SettingsManager]: * sizeof long=4 [2025-03-08 23:07:40,336 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2025-03-08 23:07:40,337 INFO L153 SettingsManager]: * sizeof POINTER=4 [2025-03-08 23:07:40,337 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2025-03-08 23:07:40,337 INFO L153 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2025-03-08 23:07:40,337 INFO L153 SettingsManager]: * Bitprecise bitfields=true [2025-03-08 23:07:40,337 INFO L153 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2025-03-08 23:07:40,337 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2025-03-08 23:07:40,337 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2025-03-08 23:07:40,337 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2025-03-08 23:07:40,337 INFO L153 SettingsManager]: * sizeof long double=12 [2025-03-08 23:07:40,337 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2025-03-08 23:07:40,337 INFO L153 SettingsManager]: * Use constant arrays=true [2025-03-08 23:07:40,337 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2025-03-08 23:07:40,337 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2025-03-08 23:07:40,338 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2025-03-08 23:07:40,338 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2025-03-08 23:07:40,338 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2025-03-08 23:07:40,338 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2025-03-08 23:07:40,338 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2025-03-08 23:07:40,338 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2025-03-08 23:07:40,338 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2025-03-08 23:07:40,339 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2025-03-08 23:07:40,339 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2025-03-08 23:07:40,339 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2025-03-08 23:07:40,339 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2025-03-08 23:07:40,339 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 -> 7b53e6434f29888ec2b0851eb0bdc5bf356c532d72069865339d3ff2265f37df [2025-03-08 23:07:40,541 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2025-03-08 23:07:40,547 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2025-03-08 23:07:40,549 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2025-03-08 23:07:40,550 INFO L270 PluginConnector]: Initializing CDTParser... [2025-03-08 23:07:40,550 INFO L274 PluginConnector]: CDTParser initialized [2025-03-08 23:07:40,552 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/ddv-machzwd/ddv_machzwd_outw_p.i [2025-03-08 23:07:41,697 INFO L533 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/0b3092f59/75a2d62c8ee14f0fadb839a0cc8f775b/FLAGfdc390849 [2025-03-08 23:07:42,113 INFO L384 CDTParser]: Found 1 translation units. [2025-03-08 23:07:42,114 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ddv-machzwd/ddv_machzwd_outw_p.i [2025-03-08 23:07:42,145 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/0b3092f59/75a2d62c8ee14f0fadb839a0cc8f775b/FLAGfdc390849 [2025-03-08 23:07:42,163 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/0b3092f59/75a2d62c8ee14f0fadb839a0cc8f775b [2025-03-08 23:07:42,165 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2025-03-08 23:07:42,167 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2025-03-08 23:07:42,169 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2025-03-08 23:07:42,169 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2025-03-08 23:07:42,172 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2025-03-08 23:07:42,173 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.03 11:07:42" (1/1) ... [2025-03-08 23:07:42,174 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1a407b78 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.03 11:07:42, skipping insertion in model container [2025-03-08 23:07:42,174 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.03 11:07:42" (1/1) ... [2025-03-08 23:07:42,234 INFO L175 MainTranslator]: Built tables and reachable declarations [2025-03-08 23:07:43,126 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 23:07:43,158 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 23:07:43,174 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 23:07:43,251 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 23:07:43,285 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 23:07:43,286 INFO L210 PostProcessor]: Analyzing one entry point: main [2025-03-08 23:07:43,327 INFO L200 MainTranslator]: Completed pre-run [2025-03-08 23:07:43,489 INFO L210 PostProcessor]: Analyzing one entry point: main [2025-03-08 23:07:43,670 INFO L204 MainTranslator]: Completed translation [2025-03-08 23:07:43,670 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.03 11:07:43 WrapperNode [2025-03-08 23:07:43,671 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2025-03-08 23:07:43,673 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2025-03-08 23:07:43,673 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2025-03-08 23:07:43,673 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2025-03-08 23:07:43,679 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.03 11:07:43" (1/1) ... [2025-03-08 23:07:43,728 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.03 11:07:43" (1/1) ... [2025-03-08 23:07:43,840 INFO L138 Inliner]: procedures = 473, calls = 2667, calls flagged for inlining = 55, calls inlined = 37, statements flattened = 3342 [2025-03-08 23:07:43,841 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2025-03-08 23:07:43,841 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2025-03-08 23:07:43,841 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2025-03-08 23:07:43,841 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2025-03-08 23:07:43,848 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.03 11:07:43" (1/1) ... [2025-03-08 23:07:43,849 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.03 11:07:43" (1/1) ... [2025-03-08 23:07:43,874 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.03 11:07:43" (1/1) ... [2025-03-08 23:07:43,977 INFO L175 MemorySlicer]: Split 2024 memory accesses to 27 slices as follows [5, 16, 3, 35, 1040, 480, 59, 35, 11, 12, 5, 15, 120, 67, 3, 5, 0, 2, 20, 4, 2, 2, 2, 18, 21, 5, 37]. 51 percent of accesses are in the largest equivalence class. The 1901 initializations are split as follows [3, 5, 3, 15, 1040, 480, 59, 32, 2, 6, 1, 10, 120, 67, 0, 4, 0, 2, 4, 4, 0, 0, 0, 18, 0, 1, 25]. The 58 writes are split as follows [0, 8, 0, 6, 0, 0, 0, 0, 5, 6, 1, 2, 0, 0, 0, 0, 0, 0, 4, 0, 2, 1, 0, 0, 21, 2, 0]. [2025-03-08 23:07:43,977 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.03 11:07:43" (1/1) ... [2025-03-08 23:07:43,978 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.03 11:07:43" (1/1) ... [2025-03-08 23:07:44,045 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.03 11:07:43" (1/1) ... [2025-03-08 23:07:44,051 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.03 11:07:43" (1/1) ... [2025-03-08 23:07:44,066 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.03 11:07:43" (1/1) ... [2025-03-08 23:07:44,078 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.03 11:07:43" (1/1) ... [2025-03-08 23:07:44,100 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2025-03-08 23:07:44,101 INFO L112 PluginConnector]: ------------------------IcfgBuilder---------------------------- [2025-03-08 23:07:44,102 INFO L270 PluginConnector]: Initializing IcfgBuilder... [2025-03-08 23:07:44,102 INFO L274 PluginConnector]: IcfgBuilder initialized [2025-03-08 23:07:44,102 INFO L184 PluginConnector]: Executing the observer IcfgBuilderObserver from plugin IcfgBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.03 11:07:43" (1/1) ... [2025-03-08 23:07:44,106 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2025-03-08 23:07:44,116 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-03-08 23:07:44,128 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 23:07:44,136 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 23:07:44,151 INFO L130 BoogieDeclarations]: Found specification of procedure zf_timer_off [2025-03-08 23:07:44,151 INFO L138 BoogieDeclarations]: Found implementation of procedure zf_timer_off [2025-03-08 23:07:44,152 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2025-03-08 23:07:44,152 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_atomic_begin [2025-03-08 23:07:44,152 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock_irqrestore [2025-03-08 23:07:44,152 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock_irqrestore [2025-03-08 23:07:44,152 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2025-03-08 23:07:44,152 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock [2025-03-08 23:07:44,152 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock [2025-03-08 23:07:44,152 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2025-03-08 23:07:44,152 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_atomic_end [2025-03-08 23:07:44,152 INFO L130 BoogieDeclarations]: Found specification of procedure zf_get_control [2025-03-08 23:07:44,152 INFO L138 BoogieDeclarations]: Found implementation of procedure zf_get_control [2025-03-08 23:07:44,153 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#0 [2025-03-08 23:07:44,153 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#1 [2025-03-08 23:07:44,153 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#2 [2025-03-08 23:07:44,153 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#3 [2025-03-08 23:07:44,153 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#4 [2025-03-08 23:07:44,153 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#5 [2025-03-08 23:07:44,153 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#6 [2025-03-08 23:07:44,154 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#7 [2025-03-08 23:07:44,154 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#8 [2025-03-08 23:07:44,154 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#9 [2025-03-08 23:07:44,154 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#10 [2025-03-08 23:07:44,154 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#11 [2025-03-08 23:07:44,154 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#12 [2025-03-08 23:07:44,154 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#13 [2025-03-08 23:07:44,154 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#14 [2025-03-08 23:07:44,154 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#15 [2025-03-08 23:07:44,154 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#16 [2025-03-08 23:07:44,154 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#17 [2025-03-08 23:07:44,154 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#18 [2025-03-08 23:07:44,155 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#19 [2025-03-08 23:07:44,155 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#20 [2025-03-08 23:07:44,155 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#21 [2025-03-08 23:07:44,155 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#22 [2025-03-08 23:07:44,155 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#23 [2025-03-08 23:07:44,155 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#24 [2025-03-08 23:07:44,155 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#25 [2025-03-08 23:07:44,155 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#26 [2025-03-08 23:07:44,155 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#0 [2025-03-08 23:07:44,155 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#1 [2025-03-08 23:07:44,155 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#2 [2025-03-08 23:07:44,155 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#3 [2025-03-08 23:07:44,155 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#4 [2025-03-08 23:07:44,155 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#5 [2025-03-08 23:07:44,155 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#6 [2025-03-08 23:07:44,155 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#7 [2025-03-08 23:07:44,155 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#8 [2025-03-08 23:07:44,155 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#9 [2025-03-08 23:07:44,155 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#10 [2025-03-08 23:07:44,155 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#11 [2025-03-08 23:07:44,155 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#12 [2025-03-08 23:07:44,155 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#13 [2025-03-08 23:07:44,155 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#14 [2025-03-08 23:07:44,155 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#15 [2025-03-08 23:07:44,155 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#16 [2025-03-08 23:07:44,155 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#17 [2025-03-08 23:07:44,155 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#18 [2025-03-08 23:07:44,155 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#19 [2025-03-08 23:07:44,155 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#20 [2025-03-08 23:07:44,155 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#21 [2025-03-08 23:07:44,155 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#22 [2025-03-08 23:07:44,155 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#23 [2025-03-08 23:07:44,155 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#24 [2025-03-08 23:07:44,155 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#25 [2025-03-08 23:07:44,155 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#26 [2025-03-08 23:07:44,156 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2025-03-08 23:07:44,156 INFO L130 BoogieDeclarations]: Found specification of procedure request_region [2025-03-08 23:07:44,156 INFO L138 BoogieDeclarations]: Found implementation of procedure request_region [2025-03-08 23:07:44,156 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2025-03-08 23:07:44,156 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#0 [2025-03-08 23:07:44,156 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#1 [2025-03-08 23:07:44,156 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#2 [2025-03-08 23:07:44,156 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#3 [2025-03-08 23:07:44,156 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#4 [2025-03-08 23:07:44,156 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#5 [2025-03-08 23:07:44,156 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#6 [2025-03-08 23:07:44,156 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#7 [2025-03-08 23:07:44,156 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#8 [2025-03-08 23:07:44,156 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#9 [2025-03-08 23:07:44,156 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#10 [2025-03-08 23:07:44,156 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#11 [2025-03-08 23:07:44,156 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#12 [2025-03-08 23:07:44,156 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#13 [2025-03-08 23:07:44,156 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#14 [2025-03-08 23:07:44,156 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#15 [2025-03-08 23:07:44,156 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#16 [2025-03-08 23:07:44,156 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#17 [2025-03-08 23:07:44,156 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#18 [2025-03-08 23:07:44,156 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#19 [2025-03-08 23:07:44,156 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#20 [2025-03-08 23:07:44,156 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#21 [2025-03-08 23:07:44,156 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#22 [2025-03-08 23:07:44,156 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#23 [2025-03-08 23:07:44,156 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#24 [2025-03-08 23:07:44,156 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#25 [2025-03-08 23:07:44,159 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#26 [2025-03-08 23:07:44,159 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~VOID [2025-03-08 23:07:44,159 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~VOID [2025-03-08 23:07:44,159 INFO L130 BoogieDeclarations]: Found specification of procedure spin_lock_irqsave [2025-03-08 23:07:44,159 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_lock_irqsave [2025-03-08 23:07:44,159 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~TO~VOID [2025-03-08 23:07:44,159 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~TO~VOID [2025-03-08 23:07:44,159 INFO L130 BoogieDeclarations]: Found specification of procedure release_region [2025-03-08 23:07:44,159 INFO L138 BoogieDeclarations]: Found implementation of procedure release_region [2025-03-08 23:07:44,159 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2025-03-08 23:07:44,159 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2025-03-08 23:07:44,159 INFO L130 BoogieDeclarations]: Found specification of procedure spin_lock_init [2025-03-08 23:07:44,159 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_lock_init [2025-03-08 23:07:44,159 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2025-03-08 23:07:44,159 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2025-03-08 23:07:44,159 INFO L130 BoogieDeclarations]: Found specification of procedure del_timer [2025-03-08 23:07:44,159 INFO L138 BoogieDeclarations]: Found implementation of procedure del_timer [2025-03-08 23:07:44,159 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2025-03-08 23:07:44,160 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#0 [2025-03-08 23:07:44,161 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#1 [2025-03-08 23:07:44,161 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#2 [2025-03-08 23:07:44,161 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#3 [2025-03-08 23:07:44,161 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#4 [2025-03-08 23:07:44,161 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#5 [2025-03-08 23:07:44,161 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#6 [2025-03-08 23:07:44,161 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#7 [2025-03-08 23:07:44,161 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#8 [2025-03-08 23:07:44,161 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#9 [2025-03-08 23:07:44,161 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#10 [2025-03-08 23:07:44,161 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#11 [2025-03-08 23:07:44,161 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#12 [2025-03-08 23:07:44,161 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#13 [2025-03-08 23:07:44,162 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#14 [2025-03-08 23:07:44,162 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#15 [2025-03-08 23:07:44,162 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#16 [2025-03-08 23:07:44,162 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#17 [2025-03-08 23:07:44,162 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#18 [2025-03-08 23:07:44,162 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#19 [2025-03-08 23:07:44,162 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#20 [2025-03-08 23:07:44,162 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#21 [2025-03-08 23:07:44,162 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#22 [2025-03-08 23:07:44,162 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#23 [2025-03-08 23:07:44,162 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#24 [2025-03-08 23:07:44,162 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#25 [2025-03-08 23:07:44,162 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#26 [2025-03-08 23:07:44,162 INFO L130 BoogieDeclarations]: Found specification of procedure add_timer [2025-03-08 23:07:44,162 INFO L138 BoogieDeclarations]: Found implementation of procedure add_timer [2025-03-08 23:07:44,162 INFO L130 BoogieDeclarations]: Found specification of procedure cdev_add [2025-03-08 23:07:44,162 INFO L138 BoogieDeclarations]: Found implementation of procedure cdev_add [2025-03-08 23:07:44,162 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~$Pointer$~X~int~X~$Pointer$~TO~int [2025-03-08 23:07:44,162 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~$Pointer$~X~int~X~$Pointer$~TO~int [2025-03-08 23:07:44,162 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#0 [2025-03-08 23:07:44,162 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#1 [2025-03-08 23:07:44,162 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#2 [2025-03-08 23:07:44,162 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#3 [2025-03-08 23:07:44,162 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#4 [2025-03-08 23:07:44,162 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#5 [2025-03-08 23:07:44,162 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#6 [2025-03-08 23:07:44,162 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#7 [2025-03-08 23:07:44,162 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#8 [2025-03-08 23:07:44,162 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#9 [2025-03-08 23:07:44,162 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#10 [2025-03-08 23:07:44,162 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#11 [2025-03-08 23:07:44,162 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#12 [2025-03-08 23:07:44,162 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#13 [2025-03-08 23:07:44,162 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#14 [2025-03-08 23:07:44,162 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#15 [2025-03-08 23:07:44,162 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#16 [2025-03-08 23:07:44,162 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#17 [2025-03-08 23:07:44,162 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#18 [2025-03-08 23:07:44,162 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#19 [2025-03-08 23:07:44,162 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#20 [2025-03-08 23:07:44,162 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#21 [2025-03-08 23:07:44,162 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#22 [2025-03-08 23:07:44,162 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#23 [2025-03-08 23:07:44,162 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#24 [2025-03-08 23:07:44,162 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#25 [2025-03-08 23:07:44,162 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#26 [2025-03-08 23:07:44,162 INFO L130 BoogieDeclarations]: Found specification of procedure printk [2025-03-08 23:07:44,163 INFO L138 BoogieDeclarations]: Found implementation of procedure printk [2025-03-08 23:07:44,163 INFO L130 BoogieDeclarations]: Found specification of procedure outw [2025-03-08 23:07:44,163 INFO L138 BoogieDeclarations]: Found implementation of procedure outw [2025-03-08 23:07:44,163 INFO L130 BoogieDeclarations]: Found specification of procedure outb [2025-03-08 23:07:44,163 INFO L138 BoogieDeclarations]: Found implementation of procedure outb [2025-03-08 23:07:44,163 INFO L130 BoogieDeclarations]: Found specification of procedure misc_deregister [2025-03-08 23:07:44,163 INFO L138 BoogieDeclarations]: Found implementation of procedure misc_deregister [2025-03-08 23:07:44,163 INFO L130 BoogieDeclarations]: Found specification of procedure assert_context_process [2025-03-08 23:07:44,163 INFO L138 BoogieDeclarations]: Found implementation of procedure assert_context_process [2025-03-08 23:07:44,163 INFO L130 BoogieDeclarations]: Found specification of procedure zf_set_control [2025-03-08 23:07:44,163 INFO L138 BoogieDeclarations]: Found implementation of procedure zf_set_control [2025-03-08 23:07:44,163 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#0 [2025-03-08 23:07:44,163 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#1 [2025-03-08 23:07:44,165 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#2 [2025-03-08 23:07:44,165 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#3 [2025-03-08 23:07:44,165 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#4 [2025-03-08 23:07:44,165 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#5 [2025-03-08 23:07:44,165 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#6 [2025-03-08 23:07:44,165 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#7 [2025-03-08 23:07:44,166 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#8 [2025-03-08 23:07:44,166 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#9 [2025-03-08 23:07:44,166 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#10 [2025-03-08 23:07:44,166 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#11 [2025-03-08 23:07:44,166 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#12 [2025-03-08 23:07:44,166 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#13 [2025-03-08 23:07:44,166 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#14 [2025-03-08 23:07:44,166 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#15 [2025-03-08 23:07:44,166 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#16 [2025-03-08 23:07:44,166 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#17 [2025-03-08 23:07:44,166 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#18 [2025-03-08 23:07:44,166 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#19 [2025-03-08 23:07:44,166 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#20 [2025-03-08 23:07:44,166 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#21 [2025-03-08 23:07:44,166 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#22 [2025-03-08 23:07:44,166 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#23 [2025-03-08 23:07:44,166 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#24 [2025-03-08 23:07:44,166 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#25 [2025-03-08 23:07:44,166 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#26 [2025-03-08 23:07:44,166 INFO L130 BoogieDeclarations]: Found specification of procedure zf_readw [2025-03-08 23:07:44,166 INFO L138 BoogieDeclarations]: Found implementation of procedure zf_readw [2025-03-08 23:07:44,166 INFO L130 BoogieDeclarations]: Found specification of procedure zf_ping [2025-03-08 23:07:44,166 INFO L138 BoogieDeclarations]: Found implementation of procedure zf_ping [2025-03-08 23:07:44,166 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~$Pointer$~X~int~X~int~TO~int [2025-03-08 23:07:44,166 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~$Pointer$~X~int~X~int~TO~int [2025-03-08 23:07:44,166 INFO L130 BoogieDeclarations]: Found specification of procedure spin_lock [2025-03-08 23:07:44,166 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_lock [2025-03-08 23:07:44,166 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~$Pointer$~TO~int [2025-03-08 23:07:44,166 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~$Pointer$~TO~int [2025-03-08 23:07:44,166 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2025-03-08 23:07:44,166 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#1 [2025-03-08 23:07:44,166 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#2 [2025-03-08 23:07:44,166 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#3 [2025-03-08 23:07:44,166 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#4 [2025-03-08 23:07:44,166 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#5 [2025-03-08 23:07:44,166 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#6 [2025-03-08 23:07:44,166 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#7 [2025-03-08 23:07:44,166 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#8 [2025-03-08 23:07:44,166 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#9 [2025-03-08 23:07:44,166 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#10 [2025-03-08 23:07:44,166 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#11 [2025-03-08 23:07:44,166 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#12 [2025-03-08 23:07:44,166 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#13 [2025-03-08 23:07:44,166 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#14 [2025-03-08 23:07:44,166 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#15 [2025-03-08 23:07:44,166 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#16 [2025-03-08 23:07:44,166 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#17 [2025-03-08 23:07:44,167 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#18 [2025-03-08 23:07:44,167 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#19 [2025-03-08 23:07:44,167 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#20 [2025-03-08 23:07:44,167 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#21 [2025-03-08 23:07:44,167 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#22 [2025-03-08 23:07:44,167 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#23 [2025-03-08 23:07:44,167 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#24 [2025-03-08 23:07:44,167 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#25 [2025-03-08 23:07:44,167 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#26 [2025-03-08 23:07:44,520 INFO L256 CfgBuilder]: Building ICFG [2025-03-08 23:07:44,522 INFO L286 CfgBuilder]: Building CFG for each procedure with an implementation [2025-03-08 23:07:44,726 INFO L1307 $ProcedureCfgBuilder]: dead code at ProgramPoint L3245: havoc get_user_#t~nondet671#1; [2025-03-08 23:07:44,741 INFO L1307 $ProcedureCfgBuilder]: dead code at ProgramPoint L1508: havoc #t~ret200; [2025-03-08 23:07:44,752 INFO L1307 $ProcedureCfgBuilder]: dead code at ProgramPoint L1470: havoc #t~ret199#1; [2025-03-08 23:07:44,753 INFO L1307 $ProcedureCfgBuilder]: dead code at ProgramPoint L3961: havoc inw_#t~nondet753#1; [2025-03-08 23:07:44,876 INFO L1307 $ProcedureCfgBuilder]: dead code at ProgramPoint L3269: havoc copy_to_user_#t~nondet674#1; [2025-03-08 23:07:44,876 INFO L1307 $ProcedureCfgBuilder]: dead code at ProgramPoint L3261: havoc put_user_#t~nondet673#1; [2025-03-08 23:07:45,012 INFO L1307 $ProcedureCfgBuilder]: dead code at ProgramPoint L1705: havoc zf_open_#t~ret218#1; [2025-03-08 23:07:45,013 INFO L1307 $ProcedureCfgBuilder]: dead code at ProgramPoint L4510: havoc test_and_set_bit_#t~bitwise794#1; [2025-03-08 23:07:49,854 INFO L1307 $ProcedureCfgBuilder]: dead code at ProgramPoint L3504: havoc misc_register_#t~ret713#1; [2025-03-08 23:07:50,022 INFO L? ?]: Removed 648 outVars from TransFormulas that were not future-live. [2025-03-08 23:07:50,022 INFO L307 CfgBuilder]: Performing block encoding [2025-03-08 23:07:50,063 INFO L331 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2025-03-08 23:07:50,068 INFO L336 CfgBuilder]: Removed 0 assume(true) statements. [2025-03-08 23:07:50,068 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 08.03 11:07:50 BoogieIcfgContainer [2025-03-08 23:07:50,068 INFO L131 PluginConnector]: ------------------------ END IcfgBuilder---------------------------- [2025-03-08 23:07:50,069 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2025-03-08 23:07:50,069 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2025-03-08 23:07:50,073 INFO L274 PluginConnector]: TraceAbstraction initialized [2025-03-08 23:07:50,073 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 08.03 11:07:42" (1/3) ... [2025-03-08 23:07:50,074 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@163877b9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 08.03 11:07:50, skipping insertion in model container [2025-03-08 23:07:50,076 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.03 11:07:43" (2/3) ... [2025-03-08 23:07:50,076 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@163877b9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 08.03 11:07:50, skipping insertion in model container [2025-03-08 23:07:50,077 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 08.03 11:07:50" (3/3) ... [2025-03-08 23:07:50,078 INFO L128 eAbstractionObserver]: Analyzing ICFG ddv_machzwd_outw_p.i [2025-03-08 23:07:50,089 INFO L216 ceAbstractionStarter]: Automizer settings: Hoare:None NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2025-03-08 23:07:50,091 INFO L151 ceAbstractionStarter]: Applying trace abstraction to ICFG ddv_machzwd_outw_p.i that has 29 procedures, 701 locations, 1 initial locations, 4 loop locations, and 205 error locations. [2025-03-08 23:07:50,136 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2025-03-08 23:07:50,143 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;@6e458d69, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2025-03-08 23:07:50,145 INFO L334 AbstractCegarLoop]: Starting to check reachability of 205 error locations. [2025-03-08 23:07:50,152 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 23:07:50,157 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2025-03-08 23:07:50,157 INFO L210 NwaCegarLoop]: Found error trace [2025-03-08 23:07:50,158 INFO L218 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1] [2025-03-08 23:07:50,158 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 23:07:50,161 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-08 23:07:50,161 INFO L85 PathProgramCache]: Analyzing trace with hash 926720359, now seen corresponding path program 1 times [2025-03-08 23:07:50,166 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-08 23:07:50,167 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1645149510] [2025-03-08 23:07:50,167 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-08 23:07:50,167 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-08 23:07:52,211 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 5 statements into 1 equivalence classes. [2025-03-08 23:07:52,525 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 5 of 5 statements. [2025-03-08 23:07:52,526 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-08 23:07:52,526 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-08 23:07:53,462 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 23:07:53,462 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-08 23:07:53,463 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1645149510] [2025-03-08 23:07:53,463 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1645149510] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-08 23:07:53,463 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-08 23:07:53,464 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2025-03-08 23:07:53,465 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [474587832] [2025-03-08 23:07:53,465 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-08 23:07:53,468 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2025-03-08 23:07:53,468 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-08 23:07:53,487 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2025-03-08 23:07:53,487 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2025-03-08 23:07:53,490 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 23:07:55,413 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.91s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2025-03-08 23:07:56,441 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.03s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2025-03-08 23:07:57,577 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-08 23:07:57,577 INFO L93 Difference]: Finished difference Result 1261 states and 1525 transitions. [2025-03-08 23:07:57,578 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2025-03-08 23:07:57,579 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 23:07:57,579 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-03-08 23:07:57,592 INFO L225 Difference]: With dead ends: 1261 [2025-03-08 23:07:57,592 INFO L226 Difference]: Without dead ends: 1257 [2025-03-08 23:07:57,594 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 23:07:57,597 INFO L435 NwaCegarLoop]: 753 mSDtfsCounter, 723 mSDsluCounter, 1748 mSDsCounter, 0 mSdLazyCounter, 1163 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.7s 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, 3.9s IncrementalHoareTripleChecker+Time [2025-03-08 23:07:57,598 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [724 Valid, 2501 Invalid, 1167 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 1163 Invalid, 0 Unknown, 0 Unchecked, 3.9s Time] [2025-03-08 23:07:57,612 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1257 states. [2025-03-08 23:07:57,678 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1257 to 1044. [2025-03-08 23:07:57,680 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 23:07:57,690 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1044 states to 1044 states and 1429 transitions. [2025-03-08 23:07:57,691 INFO L78 Accepts]: Start accepts. Automaton has 1044 states and 1429 transitions. Word has length 5 [2025-03-08 23:07:57,692 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-03-08 23:07:57,692 INFO L471 AbstractCegarLoop]: Abstraction has 1044 states and 1429 transitions. [2025-03-08 23:07:57,692 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 23:07:57,692 INFO L276 IsEmpty]: Start isEmpty. Operand 1044 states and 1429 transitions. [2025-03-08 23:07:57,692 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2025-03-08 23:07:57,692 INFO L210 NwaCegarLoop]: Found error trace [2025-03-08 23:07:57,692 INFO L218 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1] [2025-03-08 23:07:57,692 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2025-03-08 23:07:57,692 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 23:07:57,693 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-08 23:07:57,693 INFO L85 PathProgramCache]: Analyzing trace with hash 926720360, now seen corresponding path program 1 times [2025-03-08 23:07:57,693 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-08 23:07:57,693 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [578014982] [2025-03-08 23:07:57,693 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-08 23:07:57,693 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-08 23:07:59,622 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 5 statements into 1 equivalence classes. [2025-03-08 23:07:59,696 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 5 of 5 statements. [2025-03-08 23:07:59,697 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-08 23:07:59,697 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-08 23:08:00,696 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 23:08:00,696 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-08 23:08:00,696 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [578014982] [2025-03-08 23:08:00,696 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [578014982] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-08 23:08:00,696 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-08 23:08:00,696 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2025-03-08 23:08:00,696 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1539382336] [2025-03-08 23:08:00,696 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-08 23:08:00,697 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2025-03-08 23:08:00,697 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-08 23:08:00,697 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2025-03-08 23:08:00,697 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2025-03-08 23:08:00,697 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 23:08:02,163 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 23:08:03,811 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.65s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2025-03-08 23:08:04,664 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-08 23:08:04,664 INFO L93 Difference]: Finished difference Result 1183 states and 1531 transitions. [2025-03-08 23:08:04,665 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2025-03-08 23:08:04,665 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 23:08:04,665 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-03-08 23:08:04,674 INFO L225 Difference]: With dead ends: 1183 [2025-03-08 23:08:04,674 INFO L226 Difference]: Without dead ends: 1183 [2025-03-08 23:08:04,674 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 23:08:04,675 INFO L435 NwaCegarLoop]: 874 mSDtfsCounter, 279 mSDsluCounter, 1897 mSDsCounter, 0 mSdLazyCounter, 912 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.7s 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, 3.9s IncrementalHoareTripleChecker+Time [2025-03-08 23:08:04,675 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [280 Valid, 2771 Invalid, 913 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 912 Invalid, 0 Unknown, 0 Unchecked, 3.9s Time] [2025-03-08 23:08:04,677 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1183 states. [2025-03-08 23:08:04,711 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1183 to 1124. [2025-03-08 23:08:04,712 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 23:08:04,717 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1124 states to 1124 states and 1527 transitions. [2025-03-08 23:08:04,718 INFO L78 Accepts]: Start accepts. Automaton has 1124 states and 1527 transitions. Word has length 5 [2025-03-08 23:08:04,718 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-03-08 23:08:04,718 INFO L471 AbstractCegarLoop]: Abstraction has 1124 states and 1527 transitions. [2025-03-08 23:08:04,718 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 23:08:04,718 INFO L276 IsEmpty]: Start isEmpty. Operand 1124 states and 1527 transitions. [2025-03-08 23:08:04,718 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2025-03-08 23:08:04,719 INFO L210 NwaCegarLoop]: Found error trace [2025-03-08 23:08:04,719 INFO L218 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-03-08 23:08:04,719 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2025-03-08 23:08:04,719 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 23:08:04,719 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-08 23:08:04,719 INFO L85 PathProgramCache]: Analyzing trace with hash -1147177173, now seen corresponding path program 1 times [2025-03-08 23:08:04,719 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-08 23:08:04,720 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [340868634] [2025-03-08 23:08:04,720 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-08 23:08:04,720 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-08 23:08:06,653 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 11 statements into 1 equivalence classes. [2025-03-08 23:08:06,701 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 11 of 11 statements. [2025-03-08 23:08:06,702 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-08 23:08:06,702 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-08 23:08:07,047 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 23:08:07,048 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-08 23:08:07,048 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [340868634] [2025-03-08 23:08:07,048 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [340868634] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-08 23:08:07,048 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-08 23:08:07,048 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2025-03-08 23:08:07,048 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1837152577] [2025-03-08 23:08:07,048 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-08 23:08:07,048 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2025-03-08 23:08:07,051 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-08 23:08:07,052 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2025-03-08 23:08:07,052 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-03-08 23:08:07,052 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 23:08:07,604 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-08 23:08:07,604 INFO L93 Difference]: Finished difference Result 1330 states and 1614 transitions. [2025-03-08 23:08:07,605 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-03-08 23:08:07,605 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 23:08:07,605 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-03-08 23:08:07,610 INFO L225 Difference]: With dead ends: 1330 [2025-03-08 23:08:07,610 INFO L226 Difference]: Without dead ends: 1330 [2025-03-08 23:08:07,610 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 23:08:07,611 INFO L435 NwaCegarLoop]: 737 mSDtfsCounter, 705 mSDsluCounter, 579 mSDsCounter, 0 mSdLazyCounter, 416 mSolverCounterSat, 7 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s 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, 0.5s IncrementalHoareTripleChecker+Time [2025-03-08 23:08:07,611 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [705 Valid, 1316 Invalid, 423 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 416 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2025-03-08 23:08:07,613 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1330 states. [2025-03-08 23:08:07,644 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1330 to 1123. [2025-03-08 23:08:07,650 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 23:08:07,654 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1123 states to 1123 states and 1522 transitions. [2025-03-08 23:08:07,654 INFO L78 Accepts]: Start accepts. Automaton has 1123 states and 1522 transitions. Word has length 11 [2025-03-08 23:08:07,654 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-03-08 23:08:07,654 INFO L471 AbstractCegarLoop]: Abstraction has 1123 states and 1522 transitions. [2025-03-08 23:08:07,655 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 23:08:07,655 INFO L276 IsEmpty]: Start isEmpty. Operand 1123 states and 1522 transitions. [2025-03-08 23:08:07,655 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2025-03-08 23:08:07,655 INFO L210 NwaCegarLoop]: Found error trace [2025-03-08 23:08:07,655 INFO L218 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-03-08 23:08:07,655 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2025-03-08 23:08:07,655 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 23:08:07,656 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-08 23:08:07,656 INFO L85 PathProgramCache]: Analyzing trace with hash -1147177172, now seen corresponding path program 1 times [2025-03-08 23:08:07,656 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-08 23:08:07,656 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1098263176] [2025-03-08 23:08:07,656 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-08 23:08:07,656 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-08 23:08:09,488 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 11 statements into 1 equivalence classes. [2025-03-08 23:08:09,537 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 11 of 11 statements. [2025-03-08 23:08:09,537 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-08 23:08:09,537 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-08 23:08:10,135 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 23:08:10,136 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-08 23:08:10,136 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1098263176] [2025-03-08 23:08:10,136 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1098263176] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-08 23:08:10,136 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-08 23:08:10,136 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2025-03-08 23:08:10,137 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [115760721] [2025-03-08 23:08:10,137 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-08 23:08:10,137 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2025-03-08 23:08:10,137 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-08 23:08:10,137 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2025-03-08 23:08:10,137 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2025-03-08 23:08:10,138 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 23:08:11,474 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.33s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2025-03-08 23:08:12,075 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-08 23:08:12,075 INFO L93 Difference]: Finished difference Result 1187 states and 1537 transitions. [2025-03-08 23:08:12,076 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-03-08 23:08:12,076 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 23:08:12,076 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-03-08 23:08:12,080 INFO L225 Difference]: With dead ends: 1187 [2025-03-08 23:08:12,081 INFO L226 Difference]: Without dead ends: 1187 [2025-03-08 23:08:12,081 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 23:08:12,082 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 23:08:12,083 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 23:08:12,086 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1187 states. [2025-03-08 23:08:12,108 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1187 to 1126. [2025-03-08 23:08:12,110 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 23:08:12,113 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1126 states to 1126 states and 1525 transitions. [2025-03-08 23:08:12,113 INFO L78 Accepts]: Start accepts. Automaton has 1126 states and 1525 transitions. Word has length 11 [2025-03-08 23:08:12,114 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-03-08 23:08:12,114 INFO L471 AbstractCegarLoop]: Abstraction has 1126 states and 1525 transitions. [2025-03-08 23:08:12,114 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 23:08:12,114 INFO L276 IsEmpty]: Start isEmpty. Operand 1126 states and 1525 transitions. [2025-03-08 23:08:12,114 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2025-03-08 23:08:12,114 INFO L210 NwaCegarLoop]: Found error trace [2025-03-08 23:08:12,114 INFO L218 NwaCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-03-08 23:08:12,115 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2025-03-08 23:08:12,115 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 23:08:12,115 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-08 23:08:12,115 INFO L85 PathProgramCache]: Analyzing trace with hash -499489766, now seen corresponding path program 1 times [2025-03-08 23:08:12,115 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-08 23:08:12,115 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [133289950] [2025-03-08 23:08:12,115 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-08 23:08:12,115 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-08 23:08:13,834 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 14 statements into 1 equivalence classes. [2025-03-08 23:08:13,877 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 14 of 14 statements. [2025-03-08 23:08:13,877 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-08 23:08:13,877 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-08 23:08:14,516 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 23:08:14,517 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-08 23:08:14,517 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [133289950] [2025-03-08 23:08:14,517 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [133289950] provided 0 perfect and 1 imperfect interpolant sequences [2025-03-08 23:08:14,517 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [420304198] [2025-03-08 23:08:14,517 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-08 23:08:14,517 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-03-08 23:08:14,518 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-03-08 23:08:14,519 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 23:08:14,521 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 23:08:16,668 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 14 statements into 1 equivalence classes. [2025-03-08 23:08:17,182 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 14 of 14 statements. [2025-03-08 23:08:17,182 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-08 23:08:17,182 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-08 23:08:17,199 INFO L256 TraceCheckSpWp]: Trace formula consists of 5614 conjuncts, 10 conjuncts are in the unsatisfiable core [2025-03-08 23:08:17,204 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-03-08 23:08:17,337 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 23:08:17,337 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-03-08 23:08:17,438 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 23:08:17,438 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [420304198] provided 0 perfect and 2 imperfect interpolant sequences [2025-03-08 23:08:17,438 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2025-03-08 23:08:17,439 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 3, 4] total 11 [2025-03-08 23:08:17,439 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1535285268] [2025-03-08 23:08:17,439 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2025-03-08 23:08:17,439 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2025-03-08 23:08:17,439 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-08 23:08:17,440 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2025-03-08 23:08:17,440 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=36, Invalid=96, Unknown=0, NotChecked=0, Total=132 [2025-03-08 23:08:17,440 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 23:08:19,260 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.82s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2025-03-08 23:08:22,389 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 3.13s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2025-03-08 23:08:26,045 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 3.65s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2025-03-08 23:08:27,900 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.85s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2025-03-08 23:08:29,744 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.84s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2025-03-08 23:08:31,561 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.81s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2025-03-08 23:08:33,492 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-08 23:08:33,492 INFO L93 Difference]: Finished difference Result 1402 states and 1775 transitions. [2025-03-08 23:08:33,493 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2025-03-08 23:08:33,493 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 23:08:33,493 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-03-08 23:08:33,498 INFO L225 Difference]: With dead ends: 1402 [2025-03-08 23:08:33,498 INFO L226 Difference]: Without dead ends: 1402 [2025-03-08 23:08:33,498 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 23:08:33,498 INFO L435 NwaCegarLoop]: 878 mSDtfsCounter, 745 mSDsluCounter, 4261 mSDsCounter, 0 mSdLazyCounter, 2564 mSolverCounterSat, 147 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 15.5s 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, 15.9s IncrementalHoareTripleChecker+Time [2025-03-08 23:08:33,499 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [745 Valid, 5139 Invalid, 2711 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [147 Valid, 2564 Invalid, 0 Unknown, 0 Unchecked, 15.9s Time] [2025-03-08 23:08:33,500 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1402 states. [2025-03-08 23:08:33,520 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1402 to 1278. [2025-03-08 23:08:33,521 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 23:08:33,524 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1278 states to 1278 states and 1757 transitions. [2025-03-08 23:08:33,525 INFO L78 Accepts]: Start accepts. Automaton has 1278 states and 1757 transitions. Word has length 14 [2025-03-08 23:08:33,525 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-03-08 23:08:33,525 INFO L471 AbstractCegarLoop]: Abstraction has 1278 states and 1757 transitions. [2025-03-08 23:08:33,525 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 23:08:33,525 INFO L276 IsEmpty]: Start isEmpty. Operand 1278 states and 1757 transitions. [2025-03-08 23:08:33,526 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2025-03-08 23:08:33,526 INFO L210 NwaCegarLoop]: Found error trace [2025-03-08 23:08:33,526 INFO L218 NwaCegarLoop]: trace histogram [4, 4, 4, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-03-08 23:08:33,542 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 23:08:33,726 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 23:08:33,728 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 23:08:33,728 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-08 23:08:33,728 INFO L85 PathProgramCache]: Analyzing trace with hash 1775123445, now seen corresponding path program 1 times [2025-03-08 23:08:33,728 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-08 23:08:33,728 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1945548603] [2025-03-08 23:08:33,728 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-08 23:08:33,728 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-08 23:08:35,472 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 24 statements into 1 equivalence classes. [2025-03-08 23:08:35,511 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 24 of 24 statements. [2025-03-08 23:08:35,511 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-08 23:08:35,511 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-08 23:08:35,872 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 23:08:35,873 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-08 23:08:35,873 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1945548603] [2025-03-08 23:08:35,873 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1945548603] provided 0 perfect and 1 imperfect interpolant sequences [2025-03-08 23:08:35,873 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [54622073] [2025-03-08 23:08:35,873 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-08 23:08:35,873 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-03-08 23:08:35,873 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-03-08 23:08:35,874 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 23:08:35,875 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 23:08:37,859 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 24 statements into 1 equivalence classes. [2025-03-08 23:08:38,369 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 24 of 24 statements. [2025-03-08 23:08:38,369 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-08 23:08:38,369 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-08 23:08:38,386 INFO L256 TraceCheckSpWp]: Trace formula consists of 5674 conjuncts, 6 conjuncts are in the unsatisfiable core [2025-03-08 23:08:38,389 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-03-08 23:08:38,419 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 23:08:38,420 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-03-08 23:08:38,487 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 23:08:38,487 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [54622073] provided 0 perfect and 2 imperfect interpolant sequences [2025-03-08 23:08:38,487 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2025-03-08 23:08:38,487 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 7, 7] total 13 [2025-03-08 23:08:38,487 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2090522982] [2025-03-08 23:08:38,487 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2025-03-08 23:08:38,487 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2025-03-08 23:08:38,487 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-08 23:08:38,488 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2025-03-08 23:08:38,488 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=78, Invalid=78, Unknown=0, NotChecked=0, Total=156 [2025-03-08 23:08:38,488 INFO L87 Difference]: Start difference. First operand 1278 states and 1757 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 23:08:38,606 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-08 23:08:38,606 INFO L93 Difference]: Finished difference Result 1296 states and 1775 transitions. [2025-03-08 23:08:38,607 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2025-03-08 23:08:38,607 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 23:08:38,607 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-03-08 23:08:38,611 INFO L225 Difference]: With dead ends: 1296 [2025-03-08 23:08:38,611 INFO L226 Difference]: Without dead ends: 1296 [2025-03-08 23:08:38,611 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 23:08:38,611 INFO L435 NwaCegarLoop]: 814 mSDtfsCounter, 19 mSDsluCounter, 2424 mSDsCounter, 0 mSdLazyCounter, 122 mSolverCounterSat, 7 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 19 SdHoareTripleChecker+Valid, 3238 SdHoareTripleChecker+Invalid, 129 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 122 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2025-03-08 23:08:38,612 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [19 Valid, 3238 Invalid, 129 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 122 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2025-03-08 23:08:38,613 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1296 states. [2025-03-08 23:08:38,628 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1296 to 1296. [2025-03-08 23:08:38,630 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1296 states, 830 states have (on average 1.6951807228915663) internal successors, (1407), 1053 states have internal predecessors, (1407), 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 23:08:38,634 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1296 states to 1296 states and 1775 transitions. [2025-03-08 23:08:38,634 INFO L78 Accepts]: Start accepts. Automaton has 1296 states and 1775 transitions. Word has length 24 [2025-03-08 23:08:38,634 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-03-08 23:08:38,634 INFO L471 AbstractCegarLoop]: Abstraction has 1296 states and 1775 transitions. [2025-03-08 23:08:38,634 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 23:08:38,634 INFO L276 IsEmpty]: Start isEmpty. Operand 1296 states and 1775 transitions. [2025-03-08 23:08:38,635 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 43 [2025-03-08 23:08:38,635 INFO L210 NwaCegarLoop]: Found error trace [2025-03-08 23:08:38,635 INFO L218 NwaCegarLoop]: trace histogram [10, 10, 10, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-03-08 23:08:38,652 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 23:08:38,835 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,SelfDestructingSolverStorable5 [2025-03-08 23:08:38,836 INFO L396 AbstractCegarLoop]: === Iteration 7 === 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 23:08:38,836 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-08 23:08:38,836 INFO L85 PathProgramCache]: Analyzing trace with hash -2109337547, now seen corresponding path program 2 times [2025-03-08 23:08:38,836 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-08 23:08:38,836 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1411732161] [2025-03-08 23:08:38,837 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2025-03-08 23:08:38,837 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-08 23:08:40,889 INFO L108 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 partitioned 42 statements into 2 equivalence classes. [2025-03-08 23:08:40,940 INFO L111 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s) and asserted 12 of 42 statements. [2025-03-08 23:08:40,940 INFO L114 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s) [2025-03-08 23:08:40,940 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-08 23:08:41,257 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 23:08:41,257 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-08 23:08:41,257 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1411732161] [2025-03-08 23:08:41,257 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1411732161] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-08 23:08:41,257 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-08 23:08:41,257 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2025-03-08 23:08:41,257 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [660423837] [2025-03-08 23:08:41,257 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-08 23:08:41,258 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2025-03-08 23:08:41,258 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-08 23:08:41,258 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2025-03-08 23:08:41,258 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-03-08 23:08:41,258 INFO L87 Difference]: Start difference. First operand 1296 states and 1775 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 23:08:41,679 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-08 23:08:41,680 INFO L93 Difference]: Finished difference Result 1504 states and 1868 transitions. [2025-03-08 23:08:41,680 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-03-08 23:08:41,680 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 42 [2025-03-08 23:08:41,680 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-03-08 23:08:41,685 INFO L225 Difference]: With dead ends: 1504 [2025-03-08 23:08:41,685 INFO L226 Difference]: Without dead ends: 1504 [2025-03-08 23:08:41,685 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 23:08:41,688 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 23:08:41,688 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 23:08:41,690 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1504 states. [2025-03-08 23:08:41,707 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1504 to 1294. [2025-03-08 23:08:41,709 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 23:08:41,711 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1294 states to 1294 states and 1766 transitions. [2025-03-08 23:08:41,712 INFO L78 Accepts]: Start accepts. Automaton has 1294 states and 1766 transitions. Word has length 42 [2025-03-08 23:08:41,712 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-03-08 23:08:41,712 INFO L471 AbstractCegarLoop]: Abstraction has 1294 states and 1766 transitions. [2025-03-08 23:08:41,712 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 23:08:41,712 INFO L276 IsEmpty]: Start isEmpty. Operand 1294 states and 1766 transitions. [2025-03-08 23:08:41,714 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 43 [2025-03-08 23:08:41,714 INFO L210 NwaCegarLoop]: Found error trace [2025-03-08 23:08:41,714 INFO L218 NwaCegarLoop]: trace histogram [10, 10, 10, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-03-08 23:08:41,714 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2025-03-08 23:08:41,714 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 23:08:41,714 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-08 23:08:41,714 INFO L85 PathProgramCache]: Analyzing trace with hash -2109337546, now seen corresponding path program 1 times [2025-03-08 23:08:41,714 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-08 23:08:41,714 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1124476126] [2025-03-08 23:08:41,714 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-08 23:08:41,714 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-08 23:08:43,449 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 42 statements into 1 equivalence classes. [2025-03-08 23:08:43,495 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 42 of 42 statements. [2025-03-08 23:08:43,495 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-08 23:08:43,495 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-08 23:08:43,990 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 23:08:43,990 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-08 23:08:43,990 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1124476126] [2025-03-08 23:08:43,990 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1124476126] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-08 23:08:43,990 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-08 23:08:43,990 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2025-03-08 23:08:43,990 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1024934999] [2025-03-08 23:08:43,990 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-08 23:08:43,991 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2025-03-08 23:08:43,991 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-08 23:08:43,991 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2025-03-08 23:08:43,991 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2025-03-08 23:08:43,991 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 23:08:47,328 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 3.33s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2025-03-08 23:08:47,892 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-08 23:08:47,893 INFO L93 Difference]: Finished difference Result 1350 states and 1778 transitions. [2025-03-08 23:08:47,893 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-03-08 23:08:47,893 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 23:08:47,893 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-03-08 23:08:47,898 INFO L225 Difference]: With dead ends: 1350 [2025-03-08 23:08:47,898 INFO L226 Difference]: Without dead ends: 1350 [2025-03-08 23:08:47,899 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 23:08:47,899 INFO L435 NwaCegarLoop]: 867 mSDtfsCounter, 253 mSDsluCounter, 1219 mSDsCounter, 0 mSdLazyCounter, 617 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 253 SdHoareTripleChecker+Valid, 2086 SdHoareTripleChecker+Invalid, 619 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 617 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.9s IncrementalHoareTripleChecker+Time [2025-03-08 23:08:47,899 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [253 Valid, 2086 Invalid, 619 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 617 Invalid, 0 Unknown, 0 Unchecked, 3.9s Time] [2025-03-08 23:08:47,901 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1350 states. [2025-03-08 23:08:47,920 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1350 to 1292. [2025-03-08 23:08:47,922 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 23:08:47,925 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1292 states to 1292 states and 1764 transitions. [2025-03-08 23:08:47,926 INFO L78 Accepts]: Start accepts. Automaton has 1292 states and 1764 transitions. Word has length 42 [2025-03-08 23:08:47,926 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-03-08 23:08:47,926 INFO L471 AbstractCegarLoop]: Abstraction has 1292 states and 1764 transitions. [2025-03-08 23:08:47,927 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 23:08:47,927 INFO L276 IsEmpty]: Start isEmpty. Operand 1292 states and 1764 transitions. [2025-03-08 23:08:47,927 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 67 [2025-03-08 23:08:47,927 INFO L210 NwaCegarLoop]: Found error trace [2025-03-08 23:08:47,928 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 23:08:47,928 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2025-03-08 23:08:47,928 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 23:08:47,928 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-08 23:08:47,928 INFO L85 PathProgramCache]: Analyzing trace with hash -191873309, now seen corresponding path program 1 times [2025-03-08 23:08:47,928 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-08 23:08:47,928 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [512001547] [2025-03-08 23:08:47,929 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-08 23:08:47,929 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-08 23:08:49,655 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 66 statements into 1 equivalence classes. [2025-03-08 23:08:49,693 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 66 of 66 statements. [2025-03-08 23:08:49,693 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-08 23:08:49,693 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-08 23:08:50,084 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 23:08:50,085 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-08 23:08:50,085 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [512001547] [2025-03-08 23:08:50,085 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [512001547] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-08 23:08:50,085 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-08 23:08:50,085 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2025-03-08 23:08:50,086 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [615872237] [2025-03-08 23:08:50,086 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-08 23:08:50,086 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2025-03-08 23:08:50,086 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-08 23:08:50,086 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2025-03-08 23:08:50,086 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-03-08 23:08:50,086 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 23:08:50,119 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-08 23:08:50,120 INFO L93 Difference]: Finished difference Result 1291 states and 1761 transitions. [2025-03-08 23:08:50,120 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-03-08 23:08:50,120 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 23:08:50,120 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-03-08 23:08:50,124 INFO L225 Difference]: With dead ends: 1291 [2025-03-08 23:08:50,124 INFO L226 Difference]: Without dead ends: 1291 [2025-03-08 23:08:50,124 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 23:08:50,124 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 23:08:50,124 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 23:08:50,125 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1291 states. [2025-03-08 23:08:50,141 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1291 to 1291. [2025-03-08 23:08:50,143 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 23:08:50,146 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1291 states to 1291 states and 1761 transitions. [2025-03-08 23:08:50,147 INFO L78 Accepts]: Start accepts. Automaton has 1291 states and 1761 transitions. Word has length 66 [2025-03-08 23:08:50,148 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-03-08 23:08:50,148 INFO L471 AbstractCegarLoop]: Abstraction has 1291 states and 1761 transitions. [2025-03-08 23:08:50,148 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 23:08:50,148 INFO L276 IsEmpty]: Start isEmpty. Operand 1291 states and 1761 transitions. [2025-03-08 23:08:50,150 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 69 [2025-03-08 23:08:50,150 INFO L210 NwaCegarLoop]: Found error trace [2025-03-08 23:08:50,151 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 23:08:50,151 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2025-03-08 23:08:50,151 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 23:08:50,151 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-08 23:08:50,151 INFO L85 PathProgramCache]: Analyzing trace with hash 294358723, now seen corresponding path program 1 times [2025-03-08 23:08:50,151 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-08 23:08:50,151 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1626529706] [2025-03-08 23:08:50,151 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-08 23:08:50,152 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-08 23:08:51,923 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 68 statements into 1 equivalence classes. [2025-03-08 23:08:51,962 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 68 of 68 statements. [2025-03-08 23:08:51,962 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-08 23:08:51,962 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-08 23:08:52,273 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 23:08:52,273 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-08 23:08:52,274 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1626529706] [2025-03-08 23:08:52,274 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1626529706] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-08 23:08:52,274 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-08 23:08:52,274 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2025-03-08 23:08:52,274 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [54790634] [2025-03-08 23:08:52,274 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-08 23:08:52,274 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2025-03-08 23:08:52,274 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-08 23:08:52,274 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2025-03-08 23:08:52,274 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-03-08 23:08:52,275 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 23:08:53,497 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.22s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2025-03-08 23:08:53,714 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-08 23:08:53,715 INFO L93 Difference]: Finished difference Result 1290 states and 1760 transitions. [2025-03-08 23:08:53,715 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-03-08 23:08:53,715 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 23:08:53,715 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-03-08 23:08:53,719 INFO L225 Difference]: With dead ends: 1290 [2025-03-08 23:08:53,719 INFO L226 Difference]: Without dead ends: 1290 [2025-03-08 23:08:53,719 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 23:08:53,719 INFO L435 NwaCegarLoop]: 814 mSDtfsCounter, 1 mSDsluCounter, 606 mSDsCounter, 0 mSdLazyCounter, 241 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.4s 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, 1.4s IncrementalHoareTripleChecker+Time [2025-03-08 23:08:53,719 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [2 Valid, 1420 Invalid, 241 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 241 Invalid, 0 Unknown, 0 Unchecked, 1.4s Time] [2025-03-08 23:08:53,720 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1290 states. [2025-03-08 23:08:53,737 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1290 to 1290. [2025-03-08 23:08:53,738 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 23:08:53,742 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1290 states to 1290 states and 1760 transitions. [2025-03-08 23:08:53,742 INFO L78 Accepts]: Start accepts. Automaton has 1290 states and 1760 transitions. Word has length 68 [2025-03-08 23:08:53,742 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-03-08 23:08:53,743 INFO L471 AbstractCegarLoop]: Abstraction has 1290 states and 1760 transitions. [2025-03-08 23:08:53,743 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 23:08:53,743 INFO L276 IsEmpty]: Start isEmpty. Operand 1290 states and 1760 transitions. [2025-03-08 23:08:53,744 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 69 [2025-03-08 23:08:53,744 INFO L210 NwaCegarLoop]: Found error trace [2025-03-08 23:08:53,744 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 23:08:53,745 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2025-03-08 23:08:53,745 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 23:08:53,745 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-08 23:08:53,745 INFO L85 PathProgramCache]: Analyzing trace with hash 294358724, now seen corresponding path program 1 times [2025-03-08 23:08:53,746 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-08 23:08:53,746 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [842996381] [2025-03-08 23:08:53,746 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-08 23:08:53,746 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-08 23:08:55,556 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 68 statements into 1 equivalence classes. [2025-03-08 23:08:55,615 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 68 of 68 statements. [2025-03-08 23:08:55,615 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-08 23:08:55,616 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-08 23:08:56,333 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 23:08:56,334 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-08 23:08:56,334 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [842996381] [2025-03-08 23:08:56,334 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [842996381] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-08 23:08:56,334 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-08 23:08:56,334 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2025-03-08 23:08:56,334 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2103143657] [2025-03-08 23:08:56,334 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-08 23:08:56,334 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2025-03-08 23:08:56,334 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-08 23:08:56,334 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2025-03-08 23:08:56,334 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2025-03-08 23:08:56,334 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 23:08:58,087 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.75s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2025-03-08 23:08:58,363 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-08 23:08:58,364 INFO L93 Difference]: Finished difference Result 1289 states and 1759 transitions. [2025-03-08 23:08:58,364 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-03-08 23:08:58,364 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 23:08:58,364 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-03-08 23:08:58,368 INFO L225 Difference]: With dead ends: 1289 [2025-03-08 23:08:58,368 INFO L226 Difference]: Without dead ends: 1289 [2025-03-08 23:08:58,368 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 23:08:58,368 INFO L435 NwaCegarLoop]: 812 mSDtfsCounter, 809 mSDsluCounter, 611 mSDsCounter, 0 mSdLazyCounter, 238 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.9s 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, 2.0s IncrementalHoareTripleChecker+Time [2025-03-08 23:08:58,368 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [809 Valid, 1423 Invalid, 238 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 238 Invalid, 0 Unknown, 0 Unchecked, 2.0s Time] [2025-03-08 23:08:58,369 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1289 states. [2025-03-08 23:08:58,382 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1289 to 1289. [2025-03-08 23:08:58,383 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 23:08:58,386 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1289 states to 1289 states and 1759 transitions. [2025-03-08 23:08:58,387 INFO L78 Accepts]: Start accepts. Automaton has 1289 states and 1759 transitions. Word has length 68 [2025-03-08 23:08:58,387 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-03-08 23:08:58,387 INFO L471 AbstractCegarLoop]: Abstraction has 1289 states and 1759 transitions. [2025-03-08 23:08:58,387 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 23:08:58,387 INFO L276 IsEmpty]: Start isEmpty. Operand 1289 states and 1759 transitions. [2025-03-08 23:08:58,388 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 74 [2025-03-08 23:08:58,388 INFO L210 NwaCegarLoop]: Found error trace [2025-03-08 23:08:58,389 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 23:08:58,389 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2025-03-08 23:08:58,389 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 23:08:58,389 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-08 23:08:58,390 INFO L85 PathProgramCache]: Analyzing trace with hash 95286464, now seen corresponding path program 1 times [2025-03-08 23:08:58,390 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-08 23:08:58,390 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [287937038] [2025-03-08 23:08:58,390 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-08 23:08:58,390 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-08 23:09:00,338 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 73 statements into 1 equivalence classes. [2025-03-08 23:09:00,390 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 73 of 73 statements. [2025-03-08 23:09:00,390 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-08 23:09:00,390 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-08 23:09:00,588 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 23:09:00,588 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-08 23:09:00,588 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [287937038] [2025-03-08 23:09:00,588 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [287937038] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-08 23:09:00,588 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-08 23:09:00,588 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2025-03-08 23:09:00,589 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2066101498] [2025-03-08 23:09:00,589 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-08 23:09:00,589 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2025-03-08 23:09:00,589 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-08 23:09:00,589 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2025-03-08 23:09:00,589 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-03-08 23:09:00,589 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 23:09:03,230 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.64s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2025-03-08 23:09:03,486 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-08 23:09:03,486 INFO L93 Difference]: Finished difference Result 1330 states and 1768 transitions. [2025-03-08 23:09:03,486 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-03-08 23:09:03,486 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 23:09:03,486 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-03-08 23:09:03,491 INFO L225 Difference]: With dead ends: 1330 [2025-03-08 23:09:03,491 INFO L226 Difference]: Without dead ends: 1318 [2025-03-08 23:09:03,491 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 23:09:03,492 INFO L435 NwaCegarLoop]: 799 mSDtfsCounter, 95 mSDsluCounter, 579 mSDsCounter, 0 mSdLazyCounter, 285 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.8s 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, 2.9s IncrementalHoareTripleChecker+Time [2025-03-08 23:09:03,492 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [104 Valid, 1378 Invalid, 285 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 285 Invalid, 0 Unknown, 0 Unchecked, 2.9s Time] [2025-03-08 23:09:03,493 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1318 states. [2025-03-08 23:09:03,519 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1318 to 1285. [2025-03-08 23:09:03,520 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 23:09:03,524 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1285 states to 1285 states and 1752 transitions. [2025-03-08 23:09:03,524 INFO L78 Accepts]: Start accepts. Automaton has 1285 states and 1752 transitions. Word has length 73 [2025-03-08 23:09:03,524 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-03-08 23:09:03,524 INFO L471 AbstractCegarLoop]: Abstraction has 1285 states and 1752 transitions. [2025-03-08 23:09:03,524 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 23:09:03,524 INFO L276 IsEmpty]: Start isEmpty. Operand 1285 states and 1752 transitions. [2025-03-08 23:09:03,525 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 78 [2025-03-08 23:09:03,525 INFO L210 NwaCegarLoop]: Found error trace [2025-03-08 23:09:03,525 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 23:09:03,525 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2025-03-08 23:09:03,526 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 23:09:03,526 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-08 23:09:03,526 INFO L85 PathProgramCache]: Analyzing trace with hash -661748068, now seen corresponding path program 1 times [2025-03-08 23:09:03,526 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-08 23:09:03,526 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [591978774] [2025-03-08 23:09:03,526 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-08 23:09:03,526 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-08 23:09:05,337 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 77 statements into 1 equivalence classes. [2025-03-08 23:09:05,395 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 77 of 77 statements. [2025-03-08 23:09:05,395 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-08 23:09:05,395 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-08 23:09:06,328 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 23:09:06,329 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-08 23:09:06,329 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [591978774] [2025-03-08 23:09:06,329 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [591978774] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-08 23:09:06,329 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-08 23:09:06,329 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2025-03-08 23:09:06,329 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [253313707] [2025-03-08 23:09:06,329 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-08 23:09:06,330 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2025-03-08 23:09:06,330 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-08 23:09:06,330 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2025-03-08 23:09:06,330 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2025-03-08 23:09:06,331 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 23:09:09,473 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 3.14s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers []