./Ultimate.py --spec ../sv-benchmarks/c/properties/valid-memsafety.prp --file ../sv-benchmarks/c/ddv-machzwd/ddv_machzwd_inw_p.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for memory safety (deref-memtrack) Using default analysis Version 3289d67d Calling Ultimate with: /root/.sdkman/candidates/java/11.0.12-open/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_1.5.800.v20200727-1323.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_inw_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 cd6b300b335accb35f3a48bfd0f387908f589dfb4e32ea4d19ee0b855e6625b4 --- Real Ultimate output --- This is Ultimate 0.2.5-tmp.fs.icfgbuilder-eval-3289d67-m [2024-11-17 00:44:18,894 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-17 00:44:18,995 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-DerefFreeMemtrack-32bit-Automizer_Default.epf [2024-11-17 00:44:19,004 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-17 00:44:19,007 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-17 00:44:19,038 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-17 00:44:19,039 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-17 00:44:19,039 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-17 00:44:19,040 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-17 00:44:19,041 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-17 00:44:19,041 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-17 00:44:19,042 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-17 00:44:19,042 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-17 00:44:19,045 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-17 00:44:19,045 INFO L153 SettingsManager]: * Use SBE=true [2024-11-17 00:44:19,045 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-17 00:44:19,046 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-17 00:44:19,046 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-17 00:44:19,046 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-17 00:44:19,050 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-17 00:44:19,051 INFO L153 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2024-11-17 00:44:19,051 INFO L153 SettingsManager]: * Bitprecise bitfields=true [2024-11-17 00:44:19,051 INFO L153 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2024-11-17 00:44:19,051 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-17 00:44:19,052 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-11-17 00:44:19,052 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-17 00:44:19,052 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-11-17 00:44:19,052 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-17 00:44:19,053 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-17 00:44:19,053 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2024-11-17 00:44:19,053 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-17 00:44:19,053 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-17 00:44:19,054 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-17 00:44:19,054 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-17 00:44:19,055 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-17 00:44:19,056 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-17 00:44:19,056 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-11-17 00:44:19,056 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-17 00:44:19,056 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-17 00:44:19,057 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-17 00:44:19,057 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-17 00:44:19,058 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-17 00:44:19,058 INFO L153 SettingsManager]: * Looper check in Petri net analysis=SEMANTIC WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> cd6b300b335accb35f3a48bfd0f387908f589dfb4e32ea4d19ee0b855e6625b4 [2024-11-17 00:44:19,302 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-17 00:44:19,331 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-17 00:44:19,334 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-17 00:44:19,336 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-17 00:44:19,336 INFO L274 PluginConnector]: CDTParser initialized [2024-11-17 00:44:19,337 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/ddv-machzwd/ddv_machzwd_inw_p.i [2024-11-17 00:44:20,882 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-17 00:44:21,278 INFO L384 CDTParser]: Found 1 translation units. [2024-11-17 00:44:21,279 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ddv-machzwd/ddv_machzwd_inw_p.i [2024-11-17 00:44:21,313 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/5b7f64d32/10600c685e7d47b38c82e18497cf1bbe/FLAG63f8e8ae0 [2024-11-17 00:44:21,452 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/5b7f64d32/10600c685e7d47b38c82e18497cf1bbe [2024-11-17 00:44:21,455 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-17 00:44:21,456 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-17 00:44:21,457 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-17 00:44:21,458 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-17 00:44:21,463 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-17 00:44:21,464 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 17.11 12:44:21" (1/1) ... [2024-11-17 00:44:21,465 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6c988443 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 12:44:21, skipping insertion in model container [2024-11-17 00:44:21,465 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 17.11 12:44:21" (1/1) ... [2024-11-17 00:44:21,543 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-17 00:44:23,038 WARN L1072 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-17 00:44:23,074 WARN L1072 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-17 00:44:23,101 WARN L1072 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-17 00:44:23,209 WARN L1072 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-17 00:44:23,246 WARN L1072 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-17 00:44:23,247 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-17 00:44:23,313 INFO L200 MainTranslator]: Completed pre-run [2024-11-17 00:44:23,619 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-17 00:44:23,770 INFO L204 MainTranslator]: Completed translation [2024-11-17 00:44:23,771 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 12:44:23 WrapperNode [2024-11-17 00:44:23,771 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-17 00:44:23,772 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-17 00:44:23,773 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-17 00:44:23,773 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-17 00:44:23,780 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 12:44:23" (1/1) ... [2024-11-17 00:44:23,880 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 12:44:23" (1/1) ... [2024-11-17 00:44:24,104 INFO L138 Inliner]: procedures = 472, calls = 2681, calls flagged for inlining = 55, calls inlined = 37, statements flattened = 3380 [2024-11-17 00:44:24,105 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-17 00:44:24,105 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-17 00:44:24,106 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-17 00:44:24,106 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-17 00:44:24,117 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 12:44:23" (1/1) ... [2024-11-17 00:44:24,118 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 12:44:23" (1/1) ... [2024-11-17 00:44:24,144 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 12:44:23" (1/1) ... [2024-11-17 00:44:24,258 INFO L175 MemorySlicer]: Split 2037 memory accesses to 27 slices as follows [5, 3, 35, 1040, 480, 59, 35, 11, 5, 15, 120, 67, 2, 12, 3, 0, 2, 2, 20, 4, 2, 18, 5, 34, 5, 37, 16]. 51 percent of accesses are in the largest equivalence class. The 1935 initializations are split as follows [3, 3, 15, 1040, 480, 59, 32, 2, 1, 10, 120, 67, 0, 6, 0, 0, 0, 2, 4, 4, 0, 18, 4, 34, 1, 25, 5]. The 37 writes are split as follows [0, 0, 6, 0, 0, 0, 0, 5, 1, 2, 0, 0, 1, 6, 0, 0, 2, 0, 4, 0, 0, 0, 0, 0, 2, 0, 8]. [2024-11-17 00:44:24,258 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 12:44:23" (1/1) ... [2024-11-17 00:44:24,258 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 12:44:23" (1/1) ... [2024-11-17 00:44:24,332 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 12:44:23" (1/1) ... [2024-11-17 00:44:24,341 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 12:44:23" (1/1) ... [2024-11-17 00:44:24,359 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 12:44:23" (1/1) ... [2024-11-17 00:44:24,376 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 12:44:23" (1/1) ... [2024-11-17 00:44:24,407 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-17 00:44:24,408 INFO L112 PluginConnector]: ------------------------IcfgBuilder---------------------------- [2024-11-17 00:44:24,408 INFO L270 PluginConnector]: Initializing IcfgBuilder... [2024-11-17 00:44:24,408 INFO L274 PluginConnector]: IcfgBuilder initialized [2024-11-17 00:44:24,409 INFO L184 PluginConnector]: Executing the observer IcfgBuilderObserver from plugin IcfgBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 12:44:23" (1/1) ... [2024-11-17 00:44:24,416 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-17 00:44:24,426 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-17 00:44:24,442 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) [2024-11-17 00:44:24,445 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 [2024-11-17 00:44:24,493 INFO L130 BoogieDeclarations]: Found specification of procedure zf_timer_off [2024-11-17 00:44:24,493 INFO L138 BoogieDeclarations]: Found implementation of procedure zf_timer_off [2024-11-17 00:44:24,494 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2024-11-17 00:44:24,494 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_atomic_begin [2024-11-17 00:44:24,494 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock_irqrestore [2024-11-17 00:44:24,494 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock_irqrestore [2024-11-17 00:44:24,494 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-11-17 00:44:24,494 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock [2024-11-17 00:44:24,495 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock [2024-11-17 00:44:24,495 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2024-11-17 00:44:24,495 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_atomic_end [2024-11-17 00:44:24,495 INFO L130 BoogieDeclarations]: Found specification of procedure zf_get_control [2024-11-17 00:44:24,495 INFO L138 BoogieDeclarations]: Found implementation of procedure zf_get_control [2024-11-17 00:44:24,495 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#0 [2024-11-17 00:44:24,495 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#1 [2024-11-17 00:44:24,496 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#2 [2024-11-17 00:44:24,496 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#3 [2024-11-17 00:44:24,496 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#4 [2024-11-17 00:44:24,496 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#5 [2024-11-17 00:44:24,496 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#6 [2024-11-17 00:44:24,496 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#7 [2024-11-17 00:44:24,496 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#8 [2024-11-17 00:44:24,497 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#9 [2024-11-17 00:44:24,497 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#10 [2024-11-17 00:44:24,497 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#11 [2024-11-17 00:44:24,497 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#12 [2024-11-17 00:44:24,497 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#13 [2024-11-17 00:44:24,497 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#14 [2024-11-17 00:44:24,497 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#15 [2024-11-17 00:44:24,497 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#16 [2024-11-17 00:44:24,497 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#17 [2024-11-17 00:44:24,498 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#18 [2024-11-17 00:44:24,498 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#19 [2024-11-17 00:44:24,498 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#20 [2024-11-17 00:44:24,498 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#21 [2024-11-17 00:44:24,498 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#22 [2024-11-17 00:44:24,498 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#23 [2024-11-17 00:44:24,498 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#24 [2024-11-17 00:44:24,498 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#25 [2024-11-17 00:44:24,499 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#26 [2024-11-17 00:44:24,499 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2024-11-17 00:44:24,499 INFO L130 BoogieDeclarations]: Found specification of procedure request_region [2024-11-17 00:44:24,499 INFO L138 BoogieDeclarations]: Found implementation of procedure request_region [2024-11-17 00:44:24,500 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-17 00:44:24,500 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#0 [2024-11-17 00:44:24,500 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#1 [2024-11-17 00:44:24,501 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#2 [2024-11-17 00:44:24,501 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#3 [2024-11-17 00:44:24,501 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#4 [2024-11-17 00:44:24,501 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#5 [2024-11-17 00:44:24,501 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#6 [2024-11-17 00:44:24,501 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#7 [2024-11-17 00:44:24,501 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#8 [2024-11-17 00:44:24,501 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#9 [2024-11-17 00:44:24,502 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#10 [2024-11-17 00:44:24,502 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#11 [2024-11-17 00:44:24,502 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#12 [2024-11-17 00:44:24,502 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#13 [2024-11-17 00:44:24,502 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#14 [2024-11-17 00:44:24,502 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#15 [2024-11-17 00:44:24,502 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#16 [2024-11-17 00:44:24,502 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#17 [2024-11-17 00:44:24,502 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#18 [2024-11-17 00:44:24,502 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#19 [2024-11-17 00:44:24,503 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#20 [2024-11-17 00:44:24,503 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#21 [2024-11-17 00:44:24,503 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#22 [2024-11-17 00:44:24,503 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#23 [2024-11-17 00:44:24,503 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#24 [2024-11-17 00:44:24,503 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#25 [2024-11-17 00:44:24,503 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#26 [2024-11-17 00:44:24,503 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~VOID [2024-11-17 00:44:24,504 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~VOID [2024-11-17 00:44:24,504 INFO L130 BoogieDeclarations]: Found specification of procedure spin_lock_irqsave [2024-11-17 00:44:24,504 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_lock_irqsave [2024-11-17 00:44:24,504 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~TO~VOID [2024-11-17 00:44:24,504 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~TO~VOID [2024-11-17 00:44:24,505 INFO L130 BoogieDeclarations]: Found specification of procedure release_region [2024-11-17 00:44:24,505 INFO L138 BoogieDeclarations]: Found implementation of procedure release_region [2024-11-17 00:44:24,505 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-17 00:44:24,505 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-17 00:44:24,505 INFO L130 BoogieDeclarations]: Found specification of procedure spin_lock_init [2024-11-17 00:44:24,506 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_lock_init [2024-11-17 00:44:24,506 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-11-17 00:44:24,506 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-11-17 00:44:24,506 INFO L130 BoogieDeclarations]: Found specification of procedure del_timer [2024-11-17 00:44:24,506 INFO L138 BoogieDeclarations]: Found implementation of procedure del_timer [2024-11-17 00:44:24,506 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2024-11-17 00:44:24,507 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#0 [2024-11-17 00:44:24,507 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#1 [2024-11-17 00:44:24,507 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#2 [2024-11-17 00:44:24,508 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#3 [2024-11-17 00:44:24,508 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#4 [2024-11-17 00:44:24,508 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#5 [2024-11-17 00:44:24,508 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#6 [2024-11-17 00:44:24,508 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#7 [2024-11-17 00:44:24,508 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#8 [2024-11-17 00:44:24,509 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#9 [2024-11-17 00:44:24,509 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#10 [2024-11-17 00:44:24,509 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#11 [2024-11-17 00:44:24,509 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#12 [2024-11-17 00:44:24,509 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#13 [2024-11-17 00:44:24,509 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#14 [2024-11-17 00:44:24,510 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#15 [2024-11-17 00:44:24,510 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#16 [2024-11-17 00:44:24,510 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#17 [2024-11-17 00:44:24,510 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#18 [2024-11-17 00:44:24,511 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#19 [2024-11-17 00:44:24,511 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#20 [2024-11-17 00:44:24,511 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#21 [2024-11-17 00:44:24,511 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#22 [2024-11-17 00:44:24,511 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#23 [2024-11-17 00:44:24,511 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#24 [2024-11-17 00:44:24,511 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#25 [2024-11-17 00:44:24,512 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#26 [2024-11-17 00:44:24,512 INFO L130 BoogieDeclarations]: Found specification of procedure add_timer [2024-11-17 00:44:24,512 INFO L138 BoogieDeclarations]: Found implementation of procedure add_timer [2024-11-17 00:44:24,512 INFO L130 BoogieDeclarations]: Found specification of procedure cdev_add [2024-11-17 00:44:24,512 INFO L138 BoogieDeclarations]: Found implementation of procedure cdev_add [2024-11-17 00:44:24,513 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~$Pointer$~X~int~X~$Pointer$~TO~int [2024-11-17 00:44:24,513 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~$Pointer$~X~int~X~$Pointer$~TO~int [2024-11-17 00:44:24,513 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#0 [2024-11-17 00:44:24,513 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#1 [2024-11-17 00:44:24,514 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#2 [2024-11-17 00:44:24,514 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#3 [2024-11-17 00:44:24,515 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#4 [2024-11-17 00:44:24,515 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#5 [2024-11-17 00:44:24,515 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#6 [2024-11-17 00:44:24,515 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#7 [2024-11-17 00:44:24,515 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#8 [2024-11-17 00:44:24,515 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#9 [2024-11-17 00:44:24,515 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#10 [2024-11-17 00:44:24,515 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#11 [2024-11-17 00:44:24,515 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#12 [2024-11-17 00:44:24,516 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#13 [2024-11-17 00:44:24,516 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#14 [2024-11-17 00:44:24,516 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#15 [2024-11-17 00:44:24,516 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#16 [2024-11-17 00:44:24,516 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#17 [2024-11-17 00:44:24,516 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#18 [2024-11-17 00:44:24,516 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#19 [2024-11-17 00:44:24,516 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#20 [2024-11-17 00:44:24,516 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#21 [2024-11-17 00:44:24,516 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#22 [2024-11-17 00:44:24,516 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#23 [2024-11-17 00:44:24,516 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#24 [2024-11-17 00:44:24,516 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#25 [2024-11-17 00:44:24,516 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#26 [2024-11-17 00:44:24,517 INFO L130 BoogieDeclarations]: Found specification of procedure printk [2024-11-17 00:44:24,517 INFO L138 BoogieDeclarations]: Found implementation of procedure printk [2024-11-17 00:44:24,517 INFO L130 BoogieDeclarations]: Found specification of procedure outw [2024-11-17 00:44:24,517 INFO L138 BoogieDeclarations]: Found implementation of procedure outw [2024-11-17 00:44:24,517 INFO L130 BoogieDeclarations]: Found specification of procedure outb [2024-11-17 00:44:24,517 INFO L138 BoogieDeclarations]: Found implementation of procedure outb [2024-11-17 00:44:24,517 INFO L130 BoogieDeclarations]: Found specification of procedure misc_deregister [2024-11-17 00:44:24,519 INFO L138 BoogieDeclarations]: Found implementation of procedure misc_deregister [2024-11-17 00:44:24,519 INFO L130 BoogieDeclarations]: Found specification of procedure assert_context_process [2024-11-17 00:44:24,519 INFO L138 BoogieDeclarations]: Found implementation of procedure assert_context_process [2024-11-17 00:44:24,520 INFO L130 BoogieDeclarations]: Found specification of procedure zf_set_control [2024-11-17 00:44:24,520 INFO L138 BoogieDeclarations]: Found implementation of procedure zf_set_control [2024-11-17 00:44:24,520 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#0 [2024-11-17 00:44:24,520 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#1 [2024-11-17 00:44:24,520 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#2 [2024-11-17 00:44:24,521 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#3 [2024-11-17 00:44:24,521 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#4 [2024-11-17 00:44:24,521 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#5 [2024-11-17 00:44:24,521 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#6 [2024-11-17 00:44:24,521 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#7 [2024-11-17 00:44:24,521 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#8 [2024-11-17 00:44:24,521 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#9 [2024-11-17 00:44:24,522 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#10 [2024-11-17 00:44:24,522 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#11 [2024-11-17 00:44:24,522 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#12 [2024-11-17 00:44:24,522 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#13 [2024-11-17 00:44:24,522 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#14 [2024-11-17 00:44:24,522 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#15 [2024-11-17 00:44:24,522 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#16 [2024-11-17 00:44:24,522 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#17 [2024-11-17 00:44:24,522 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#18 [2024-11-17 00:44:24,522 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#19 [2024-11-17 00:44:24,522 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#20 [2024-11-17 00:44:24,522 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#21 [2024-11-17 00:44:24,522 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#22 [2024-11-17 00:44:24,522 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#23 [2024-11-17 00:44:24,523 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#24 [2024-11-17 00:44:24,523 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#25 [2024-11-17 00:44:24,523 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#26 [2024-11-17 00:44:24,523 INFO L130 BoogieDeclarations]: Found specification of procedure zf_readw [2024-11-17 00:44:24,523 INFO L138 BoogieDeclarations]: Found implementation of procedure zf_readw [2024-11-17 00:44:24,523 INFO L130 BoogieDeclarations]: Found specification of procedure zf_ping [2024-11-17 00:44:24,523 INFO L138 BoogieDeclarations]: Found implementation of procedure zf_ping [2024-11-17 00:44:24,523 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~$Pointer$~X~int~X~int~TO~int [2024-11-17 00:44:24,525 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~$Pointer$~X~int~X~int~TO~int [2024-11-17 00:44:24,525 INFO L130 BoogieDeclarations]: Found specification of procedure spin_lock [2024-11-17 00:44:24,525 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_lock [2024-11-17 00:44:24,526 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~$Pointer$~TO~int [2024-11-17 00:44:24,526 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~$Pointer$~TO~int [2024-11-17 00:44:24,526 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-11-17 00:44:24,526 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#1 [2024-11-17 00:44:24,526 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#2 [2024-11-17 00:44:24,526 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#3 [2024-11-17 00:44:24,526 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#4 [2024-11-17 00:44:24,526 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#5 [2024-11-17 00:44:24,526 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#6 [2024-11-17 00:44:24,527 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#7 [2024-11-17 00:44:24,527 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#8 [2024-11-17 00:44:24,527 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#9 [2024-11-17 00:44:24,527 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#10 [2024-11-17 00:44:24,527 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#11 [2024-11-17 00:44:24,527 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#12 [2024-11-17 00:44:24,527 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#13 [2024-11-17 00:44:24,527 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#14 [2024-11-17 00:44:24,527 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#15 [2024-11-17 00:44:24,527 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#16 [2024-11-17 00:44:24,527 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#17 [2024-11-17 00:44:24,527 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#18 [2024-11-17 00:44:24,527 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#19 [2024-11-17 00:44:24,527 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#20 [2024-11-17 00:44:24,527 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#21 [2024-11-17 00:44:24,528 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#22 [2024-11-17 00:44:24,528 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#23 [2024-11-17 00:44:24,528 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#24 [2024-11-17 00:44:24,528 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#25 [2024-11-17 00:44:24,528 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#26 [2024-11-17 00:44:24,934 INFO L256 CfgBuilder]: Building ICFG [2024-11-17 00:44:24,937 INFO L286 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-17 00:44:25,271 INFO L1250 $ProcedureCfgBuilder]: dead code at ProgramPoint L3247: havoc get_user_#t~nondet682#1; [2024-11-17 00:44:25,287 INFO L1250 $ProcedureCfgBuilder]: dead code at ProgramPoint L1508: havoc #t~ret200; [2024-11-17 00:44:25,301 INFO L1250 $ProcedureCfgBuilder]: dead code at ProgramPoint L1470: havoc #t~ret199#1; [2024-11-17 00:44:25,301 INFO L1250 $ProcedureCfgBuilder]: dead code at ProgramPoint L3963: havoc inw_#t~nondet764#1; [2024-11-17 00:44:25,405 INFO L1250 $ProcedureCfgBuilder]: dead code at ProgramPoint L3271: havoc copy_to_user_#t~nondet685#1; [2024-11-17 00:44:25,406 INFO L1250 $ProcedureCfgBuilder]: dead code at ProgramPoint L3263: havoc put_user_#t~nondet684#1; [2024-11-17 00:44:25,543 INFO L1250 $ProcedureCfgBuilder]: dead code at ProgramPoint L1705: havoc zf_open_#t~ret221#1; [2024-11-17 00:44:25,544 INFO L1250 $ProcedureCfgBuilder]: dead code at ProgramPoint L4513: havoc test_and_set_bit_#t~bitwise806#1; [2024-11-17 00:44:29,601 INFO L1250 $ProcedureCfgBuilder]: dead code at ProgramPoint L3506: havoc misc_register_#t~ret724#1; [2024-11-17 00:44:29,797 INFO L? ?]: Removed 650 outVars from TransFormulas that were not future-live. [2024-11-17 00:44:29,798 INFO L307 CfgBuilder]: Performing block encoding [2024-11-17 00:44:29,861 INFO L331 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-17 00:44:29,861 INFO L336 CfgBuilder]: Removed 0 assume(true) statements. [2024-11-17 00:44:29,861 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 17.11 12:44:29 BoogieIcfgContainer [2024-11-17 00:44:29,861 INFO L131 PluginConnector]: ------------------------ END IcfgBuilder---------------------------- [2024-11-17 00:44:29,863 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-17 00:44:29,863 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-17 00:44:29,868 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-17 00:44:29,869 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 17.11 12:44:21" (1/3) ... [2024-11-17 00:44:29,869 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3833cd55 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 17.11 12:44:29, skipping insertion in model container [2024-11-17 00:44:29,869 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 12:44:23" (2/3) ... [2024-11-17 00:44:29,871 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3833cd55 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 17.11 12:44:29, skipping insertion in model container [2024-11-17 00:44:29,871 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 17.11 12:44:29" (3/3) ... [2024-11-17 00:44:29,872 INFO L112 eAbstractionObserver]: Analyzing ICFG ddv_machzwd_inw_p.i [2024-11-17 00:44:29,889 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:None NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-17 00:44:29,889 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 205 error locations. [2024-11-17 00:44:29,952 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-17 00:44:29,962 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;@a44c632, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-17 00:44:29,962 INFO L334 AbstractCegarLoop]: Starting to check reachability of 205 error locations. [2024-11-17 00:44:29,971 INFO L276 IsEmpty]: Start isEmpty. Operand has 716 states, 406 states have (on average 1.7586206896551724) internal successors, (714), 617 states have internal predecessors, (714), 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) [2024-11-17 00:44:29,979 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2024-11-17 00:44:29,979 INFO L207 NwaCegarLoop]: Found error trace [2024-11-17 00:44:29,980 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1] [2024-11-17 00:44:29,981 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)] === [2024-11-17 00:44:29,986 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-17 00:44:29,987 INFO L85 PathProgramCache]: Analyzing trace with hash 949622911, now seen corresponding path program 1 times [2024-11-17 00:44:29,997 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-17 00:44:29,998 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1286697257] [2024-11-17 00:44:29,998 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-17 00:44:29,999 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-17 00:44:32,718 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 00:44:33,791 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-17 00:44:33,792 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-17 00:44:33,792 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1286697257] [2024-11-17 00:44:33,792 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1286697257] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-17 00:44:33,793 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-17 00:44:33,793 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-17 00:44:33,797 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [955850956] [2024-11-17 00:44:33,799 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-17 00:44:33,803 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-17 00:44:33,804 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-17 00:44:33,835 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-17 00:44:33,837 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-11-17 00:44:33,844 INFO L87 Difference]: Start difference. First operand has 716 states, 406 states have (on average 1.7586206896551724) internal successors, (714), 617 states have internal predecessors, (714), 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) [2024-11-17 00:44:35,510 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-17 00:44:35,511 INFO L93 Difference]: Finished difference Result 1293 states and 1557 transitions. [2024-11-17 00:44:35,516 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-17 00:44:35,518 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 [2024-11-17 00:44:35,518 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-17 00:44:35,542 INFO L225 Difference]: With dead ends: 1293 [2024-11-17 00:44:35,542 INFO L226 Difference]: Without dead ends: 1287 [2024-11-17 00:44:35,544 INFO L431 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 [2024-11-17 00:44:35,547 INFO L432 NwaCegarLoop]: 726 mSDtfsCounter, 739 mSDsluCounter, 1717 mSDsCounter, 0 mSdLazyCounter, 1156 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 740 SdHoareTripleChecker+Valid, 2443 SdHoareTripleChecker+Invalid, 1160 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 1156 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.5s IncrementalHoareTripleChecker+Time [2024-11-17 00:44:35,548 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [740 Valid, 2443 Invalid, 1160 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 1156 Invalid, 0 Unknown, 0 Unchecked, 1.5s Time] [2024-11-17 00:44:35,576 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1287 states. [2024-11-17 00:44:35,673 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1287 to 1073. [2024-11-17 00:44:35,677 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1073 states, 680 states have (on average 1.738235294117647) internal successors, (1182), 902 states have internal predecessors, (1182), 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) [2024-11-17 00:44:35,686 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1073 states to 1073 states and 1458 transitions. [2024-11-17 00:44:35,688 INFO L78 Accepts]: Start accepts. Automaton has 1073 states and 1458 transitions. Word has length 5 [2024-11-17 00:44:35,689 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-17 00:44:35,689 INFO L471 AbstractCegarLoop]: Abstraction has 1073 states and 1458 transitions. [2024-11-17 00:44:35,689 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) [2024-11-17 00:44:35,689 INFO L276 IsEmpty]: Start isEmpty. Operand 1073 states and 1458 transitions. [2024-11-17 00:44:35,690 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2024-11-17 00:44:35,690 INFO L207 NwaCegarLoop]: Found error trace [2024-11-17 00:44:35,690 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1] [2024-11-17 00:44:35,690 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-11-17 00:44:35,691 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)] === [2024-11-17 00:44:35,691 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-17 00:44:35,691 INFO L85 PathProgramCache]: Analyzing trace with hash 949622912, now seen corresponding path program 1 times [2024-11-17 00:44:35,692 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-17 00:44:35,692 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2036705115] [2024-11-17 00:44:35,692 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-17 00:44:35,693 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-17 00:44:37,979 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 00:44:39,291 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-17 00:44:39,291 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-17 00:44:39,292 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2036705115] [2024-11-17 00:44:39,292 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2036705115] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-17 00:44:39,292 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-17 00:44:39,292 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-17 00:44:39,292 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1040739990] [2024-11-17 00:44:39,292 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-17 00:44:39,293 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-17 00:44:39,293 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-17 00:44:39,294 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-17 00:44:39,295 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-11-17 00:44:39,295 INFO L87 Difference]: Start difference. First operand 1073 states and 1458 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) [2024-11-17 00:44:40,563 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-17 00:44:40,563 INFO L93 Difference]: Finished difference Result 1216 states and 1564 transitions. [2024-11-17 00:44:40,563 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-17 00:44:40,563 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 [2024-11-17 00:44:40,564 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-17 00:44:40,575 INFO L225 Difference]: With dead ends: 1216 [2024-11-17 00:44:40,575 INFO L226 Difference]: Without dead ends: 1216 [2024-11-17 00:44:40,575 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2024-11-17 00:44:40,576 INFO L432 NwaCegarLoop]: 895 mSDtfsCounter, 286 mSDsluCounter, 1954 mSDsCounter, 0 mSdLazyCounter, 912 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 287 SdHoareTripleChecker+Valid, 2849 SdHoareTripleChecker+Invalid, 913 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 912 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.2s IncrementalHoareTripleChecker+Time [2024-11-17 00:44:40,578 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [287 Valid, 2849 Invalid, 913 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 912 Invalid, 0 Unknown, 0 Unchecked, 1.2s Time] [2024-11-17 00:44:40,581 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1216 states. [2024-11-17 00:44:40,623 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1216 to 1156. [2024-11-17 00:44:40,626 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1156 states, 731 states have (on average 1.7031463748290014) internal successors, (1245), 954 states have internal predecessors, (1245), 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) [2024-11-17 00:44:40,635 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1156 states to 1156 states and 1559 transitions. [2024-11-17 00:44:40,635 INFO L78 Accepts]: Start accepts. Automaton has 1156 states and 1559 transitions. Word has length 5 [2024-11-17 00:44:40,635 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-17 00:44:40,636 INFO L471 AbstractCegarLoop]: Abstraction has 1156 states and 1559 transitions. [2024-11-17 00:44:40,636 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) [2024-11-17 00:44:40,636 INFO L276 IsEmpty]: Start isEmpty. Operand 1156 states and 1559 transitions. [2024-11-17 00:44:40,636 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2024-11-17 00:44:40,636 INFO L207 NwaCegarLoop]: Found error trace [2024-11-17 00:44:40,637 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-17 00:44:40,637 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-11-17 00:44:40,638 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)] === [2024-11-17 00:44:40,638 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-17 00:44:40,638 INFO L85 PathProgramCache]: Analyzing trace with hash 1319618072, now seen corresponding path program 1 times [2024-11-17 00:44:40,638 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-17 00:44:40,639 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [52457797] [2024-11-17 00:44:40,642 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-17 00:44:40,643 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-17 00:44:42,566 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 00:44:43,081 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-11-17 00:44:43,087 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 00:44:43,126 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-17 00:44:43,127 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-17 00:44:43,127 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [52457797] [2024-11-17 00:44:43,127 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [52457797] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-17 00:44:43,127 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-17 00:44:43,127 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-17 00:44:43,128 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [17495809] [2024-11-17 00:44:43,128 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-17 00:44:43,128 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-17 00:44:43,128 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-17 00:44:43,129 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-17 00:44:43,129 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-17 00:44:43,129 INFO L87 Difference]: Start difference. First operand 1156 states and 1559 transitions. Second operand has 4 states, 3 states have (on average 3.3333333333333335) internal successors, (10), 3 states have internal predecessors, (10), 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) [2024-11-17 00:44:44,630 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-17 00:44:44,631 INFO L93 Difference]: Finished difference Result 1383 states and 1672 transitions. [2024-11-17 00:44:44,631 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-17 00:44:44,631 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 3.3333333333333335) internal successors, (10), 3 states have internal predecessors, (10), 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 12 [2024-11-17 00:44:44,631 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-17 00:44:44,637 INFO L225 Difference]: With dead ends: 1383 [2024-11-17 00:44:44,637 INFO L226 Difference]: Without dead ends: 1383 [2024-11-17 00:44:44,638 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2024-11-17 00:44:44,639 INFO L432 NwaCegarLoop]: 628 mSDtfsCounter, 889 mSDsluCounter, 900 mSDsCounter, 0 mSdLazyCounter, 924 mSolverCounterSat, 170 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 937 SdHoareTripleChecker+Valid, 1528 SdHoareTripleChecker+Invalid, 1094 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 170 IncrementalHoareTripleChecker+Valid, 924 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.4s IncrementalHoareTripleChecker+Time [2024-11-17 00:44:44,639 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [937 Valid, 1528 Invalid, 1094 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [170 Valid, 924 Invalid, 0 Unknown, 0 Unchecked, 1.4s Time] [2024-11-17 00:44:44,641 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1383 states. [2024-11-17 00:44:44,664 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1383 to 1155. [2024-11-17 00:44:44,666 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1155 states, 731 states have (on average 1.6963064295485637) internal successors, (1240), 953 states have internal predecessors, (1240), 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) [2024-11-17 00:44:44,671 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1155 states to 1155 states and 1554 transitions. [2024-11-17 00:44:44,671 INFO L78 Accepts]: Start accepts. Automaton has 1155 states and 1554 transitions. Word has length 12 [2024-11-17 00:44:44,672 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-17 00:44:44,672 INFO L471 AbstractCegarLoop]: Abstraction has 1155 states and 1554 transitions. [2024-11-17 00:44:44,672 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 3.3333333333333335) internal successors, (10), 3 states have internal predecessors, (10), 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) [2024-11-17 00:44:44,672 INFO L276 IsEmpty]: Start isEmpty. Operand 1155 states and 1554 transitions. [2024-11-17 00:44:44,673 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2024-11-17 00:44:44,673 INFO L207 NwaCegarLoop]: Found error trace [2024-11-17 00:44:44,673 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-17 00:44:44,673 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2024-11-17 00:44:44,673 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)] === [2024-11-17 00:44:44,674 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-17 00:44:44,674 INFO L85 PathProgramCache]: Analyzing trace with hash 1319618073, now seen corresponding path program 1 times [2024-11-17 00:44:44,674 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-17 00:44:44,675 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2054798123] [2024-11-17 00:44:44,675 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-17 00:44:44,675 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-17 00:44:46,363 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 00:44:47,186 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-11-17 00:44:47,192 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 00:44:47,202 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-17 00:44:47,202 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-17 00:44:47,203 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2054798123] [2024-11-17 00:44:47,203 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2054798123] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-17 00:44:47,203 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-17 00:44:47,203 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-17 00:44:47,203 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [587527450] [2024-11-17 00:44:47,206 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-17 00:44:47,206 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-17 00:44:47,206 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-17 00:44:47,207 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-17 00:44:47,207 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2024-11-17 00:44:47,207 INFO L87 Difference]: Start difference. First operand 1155 states and 1554 transitions. Second operand has 5 states, 4 states have (on average 2.5) internal successors, (10), 4 states have internal predecessors, (10), 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) [2024-11-17 00:44:48,470 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-17 00:44:48,470 INFO L93 Difference]: Finished difference Result 1242 states and 1597 transitions. [2024-11-17 00:44:48,471 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-17 00:44:48,471 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 2.5) internal successors, (10), 4 states have internal predecessors, (10), 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 12 [2024-11-17 00:44:48,471 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-17 00:44:48,477 INFO L225 Difference]: With dead ends: 1242 [2024-11-17 00:44:48,477 INFO L226 Difference]: Without dead ends: 1242 [2024-11-17 00:44:48,478 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2024-11-17 00:44:48,479 INFO L432 NwaCegarLoop]: 752 mSDtfsCounter, 418 mSDsluCounter, 1127 mSDsCounter, 0 mSdLazyCounter, 886 mSolverCounterSat, 107 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 450 SdHoareTripleChecker+Valid, 1879 SdHoareTripleChecker+Invalid, 993 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 107 IncrementalHoareTripleChecker+Valid, 886 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.2s IncrementalHoareTripleChecker+Time [2024-11-17 00:44:48,483 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [450 Valid, 1879 Invalid, 993 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [107 Valid, 886 Invalid, 0 Unknown, 0 Unchecked, 1.2s Time] [2024-11-17 00:44:48,485 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1242 states. [2024-11-17 00:44:48,514 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1242 to 1160. [2024-11-17 00:44:48,516 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1160 states, 736 states have (on average 1.6915760869565217) internal successors, (1245), 958 states have internal predecessors, (1245), 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) [2024-11-17 00:44:48,521 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1160 states to 1160 states and 1559 transitions. [2024-11-17 00:44:48,521 INFO L78 Accepts]: Start accepts. Automaton has 1160 states and 1559 transitions. Word has length 12 [2024-11-17 00:44:48,521 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-17 00:44:48,522 INFO L471 AbstractCegarLoop]: Abstraction has 1160 states and 1559 transitions. [2024-11-17 00:44:48,522 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 2.5) internal successors, (10), 4 states have internal predecessors, (10), 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) [2024-11-17 00:44:48,522 INFO L276 IsEmpty]: Start isEmpty. Operand 1160 states and 1559 transitions. [2024-11-17 00:44:48,522 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2024-11-17 00:44:48,522 INFO L207 NwaCegarLoop]: Found error trace [2024-11-17 00:44:48,523 INFO L215 NwaCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-17 00:44:48,523 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2024-11-17 00:44:48,523 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)] === [2024-11-17 00:44:48,524 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-17 00:44:48,524 INFO L85 PathProgramCache]: Analyzing trace with hash -1940318149, now seen corresponding path program 1 times [2024-11-17 00:44:48,525 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-17 00:44:48,525 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1529618505] [2024-11-17 00:44:48,525 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-17 00:44:48,525 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-17 00:44:50,274 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 00:44:51,186 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-11-17 00:44:51,192 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 00:44:51,202 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-17 00:44:51,203 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-17 00:44:51,204 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1529618505] [2024-11-17 00:44:51,205 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1529618505] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-17 00:44:51,205 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [930023886] [2024-11-17 00:44:51,205 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-17 00:44:51,205 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-17 00:44:51,205 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-17 00:44:51,207 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) [2024-11-17 00:44:51,209 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2024-11-17 00:44:53,814 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 00:44:53,835 INFO L255 TraceCheckSpWp]: Trace formula consists of 5482 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-17 00:44:53,844 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-17 00:44:54,008 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-17 00:44:54,008 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-17 00:44:54,122 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-17 00:44:54,123 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [930023886] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-17 00:44:54,123 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-17 00:44:54,123 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 3, 4] total 12 [2024-11-17 00:44:54,123 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [77632447] [2024-11-17 00:44:54,124 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-17 00:44:54,125 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2024-11-17 00:44:54,125 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-17 00:44:54,125 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2024-11-17 00:44:54,125 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=38, Invalid=118, Unknown=0, NotChecked=0, Total=156 [2024-11-17 00:44:54,126 INFO L87 Difference]: Start difference. First operand 1160 states and 1559 transitions. Second operand has 13 states, 12 states have (on average 3.25) internal successors, (39), 12 states have internal predecessors, (39), 3 states have call successors, (3), 3 states have call predecessors, (3), 2 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) [2024-11-17 00:44:57,629 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-17 00:44:57,630 INFO L93 Difference]: Finished difference Result 1468 states and 1847 transitions. [2024-11-17 00:44:57,630 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-11-17 00:44:57,631 INFO L78 Accepts]: Start accepts. Automaton has has 13 states, 12 states have (on average 3.25) internal successors, (39), 12 states have internal predecessors, (39), 3 states have call successors, (3), 3 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 16 [2024-11-17 00:44:57,631 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-17 00:44:57,638 INFO L225 Difference]: With dead ends: 1468 [2024-11-17 00:44:57,638 INFO L226 Difference]: Without dead ends: 1468 [2024-11-17 00:44:57,639 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 47 GetRequests, 28 SyntacticMatches, 0 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 45 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=108, Invalid=312, Unknown=0, NotChecked=0, Total=420 [2024-11-17 00:44:57,641 INFO L432 NwaCegarLoop]: 761 mSDtfsCounter, 909 mSDsluCounter, 3751 mSDsCounter, 0 mSdLazyCounter, 3421 mSolverCounterSat, 263 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 940 SdHoareTripleChecker+Valid, 4512 SdHoareTripleChecker+Invalid, 3684 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 263 IncrementalHoareTripleChecker+Valid, 3421 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.3s IncrementalHoareTripleChecker+Time [2024-11-17 00:44:57,641 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [940 Valid, 4512 Invalid, 3684 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [263 Valid, 3421 Invalid, 0 Unknown, 0 Unchecked, 3.3s Time] [2024-11-17 00:44:57,644 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1468 states. [2024-11-17 00:44:57,675 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1468 to 1318. [2024-11-17 00:44:57,677 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1318 states, 852 states have (on average 1.6772300469483568) internal successors, (1429), 1075 states have internal predecessors, (1429), 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) [2024-11-17 00:44:57,683 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1318 states to 1318 states and 1797 transitions. [2024-11-17 00:44:57,684 INFO L78 Accepts]: Start accepts. Automaton has 1318 states and 1797 transitions. Word has length 16 [2024-11-17 00:44:57,684 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-17 00:44:57,684 INFO L471 AbstractCegarLoop]: Abstraction has 1318 states and 1797 transitions. [2024-11-17 00:44:57,685 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 12 states have (on average 3.25) internal successors, (39), 12 states have internal predecessors, (39), 3 states have call successors, (3), 3 states have call predecessors, (3), 2 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) [2024-11-17 00:44:57,685 INFO L276 IsEmpty]: Start isEmpty. Operand 1318 states and 1797 transitions. [2024-11-17 00:44:57,685 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2024-11-17 00:44:57,686 INFO L207 NwaCegarLoop]: Found error trace [2024-11-17 00:44:57,686 INFO L215 NwaCegarLoop]: trace histogram [5, 4, 4, 4, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-17 00:44:57,718 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Ended with exit code 0 [2024-11-17 00:44:57,886 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 [2024-11-17 00:44:57,887 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)] === [2024-11-17 00:44:57,888 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-17 00:44:57,889 INFO L85 PathProgramCache]: Analyzing trace with hash -1470175370, now seen corresponding path program 1 times [2024-11-17 00:44:57,889 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-17 00:44:57,890 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [484833059] [2024-11-17 00:44:57,890 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-17 00:44:57,890 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-17 00:44:59,481 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 00:45:00,087 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-11-17 00:45:00,091 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 00:45:00,100 INFO L134 CoverageAnalysis]: Checked inductivity of 32 backedges. 0 proven. 32 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-17 00:45:00,101 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-17 00:45:00,101 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [484833059] [2024-11-17 00:45:00,101 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [484833059] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-17 00:45:00,101 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1313452866] [2024-11-17 00:45:00,101 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-17 00:45:00,102 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-17 00:45:00,102 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-17 00:45:00,103 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) [2024-11-17 00:45:00,105 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2024-11-17 00:45:02,582 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 00:45:02,604 INFO L255 TraceCheckSpWp]: Trace formula consists of 5546 conjuncts, 6 conjuncts are in the unsatisfiable core [2024-11-17 00:45:02,609 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-17 00:45:02,667 INFO L134 CoverageAnalysis]: Checked inductivity of 32 backedges. 0 proven. 32 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-17 00:45:02,668 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-17 00:45:02,766 INFO L134 CoverageAnalysis]: Checked inductivity of 32 backedges. 0 proven. 32 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-17 00:45:02,766 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1313452866] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-17 00:45:02,767 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-17 00:45:02,767 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 7, 7] total 14 [2024-11-17 00:45:02,767 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [990292582] [2024-11-17 00:45:02,767 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-17 00:45:02,768 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 14 states [2024-11-17 00:45:02,768 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-17 00:45:02,768 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2024-11-17 00:45:02,769 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=80, Invalid=102, Unknown=0, NotChecked=0, Total=182 [2024-11-17 00:45:02,769 INFO L87 Difference]: Start difference. First operand 1318 states and 1797 transitions. Second operand has 14 states, 14 states have (on average 3.857142857142857) internal successors, (54), 13 states have internal predecessors, (54), 1 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2024-11-17 00:45:03,557 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-17 00:45:03,557 INFO L93 Difference]: Finished difference Result 1366 states and 1851 transitions. [2024-11-17 00:45:03,558 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2024-11-17 00:45:03,558 INFO L78 Accepts]: Start accepts. Automaton has has 14 states, 14 states have (on average 3.857142857142857) internal successors, (54), 13 states have internal predecessors, (54), 1 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 31 [2024-11-17 00:45:03,558 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-17 00:45:03,563 INFO L225 Difference]: With dead ends: 1366 [2024-11-17 00:45:03,563 INFO L226 Difference]: Without dead ends: 1366 [2024-11-17 00:45:03,563 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 69 GetRequests, 57 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 20 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=80, Invalid=102, Unknown=0, NotChecked=0, Total=182 [2024-11-17 00:45:03,564 INFO L432 NwaCegarLoop]: 723 mSDtfsCounter, 169 mSDsluCounter, 3259 mSDsCounter, 0 mSdLazyCounter, 934 mSolverCounterSat, 81 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 183 SdHoareTripleChecker+Valid, 3982 SdHoareTripleChecker+Invalid, 1015 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 81 IncrementalHoareTripleChecker+Valid, 934 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.7s IncrementalHoareTripleChecker+Time [2024-11-17 00:45:03,565 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [183 Valid, 3982 Invalid, 1015 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [81 Valid, 934 Invalid, 0 Unknown, 0 Unchecked, 0.7s Time] [2024-11-17 00:45:03,567 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1366 states. [2024-11-17 00:45:03,590 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1366 to 1342. [2024-11-17 00:45:03,592 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1342 states, 876 states have (on average 1.658675799086758) internal successors, (1453), 1099 states have internal predecessors, (1453), 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) [2024-11-17 00:45:03,597 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1342 states to 1342 states and 1821 transitions. [2024-11-17 00:45:03,597 INFO L78 Accepts]: Start accepts. Automaton has 1342 states and 1821 transitions. Word has length 31 [2024-11-17 00:45:03,598 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-17 00:45:03,598 INFO L471 AbstractCegarLoop]: Abstraction has 1342 states and 1821 transitions. [2024-11-17 00:45:03,598 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 14 states, 14 states have (on average 3.857142857142857) internal successors, (54), 13 states have internal predecessors, (54), 1 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2024-11-17 00:45:03,598 INFO L276 IsEmpty]: Start isEmpty. Operand 1342 states and 1821 transitions. [2024-11-17 00:45:03,599 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 56 [2024-11-17 00:45:03,599 INFO L207 NwaCegarLoop]: Found error trace [2024-11-17 00:45:03,599 INFO L215 NwaCegarLoop]: trace histogram [11, 10, 10, 10, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-17 00:45:03,630 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Ended with exit code 0 [2024-11-17 00:45:03,800 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 [2024-11-17 00:45:03,800 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)] === [2024-11-17 00:45:03,800 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-17 00:45:03,801 INFO L85 PathProgramCache]: Analyzing trace with hash -1498620374, now seen corresponding path program 2 times [2024-11-17 00:45:03,801 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-17 00:45:03,801 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1562525828] [2024-11-17 00:45:03,801 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-17 00:45:03,801 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-17 00:45:05,421 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 00:45:05,957 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-11-17 00:45:05,964 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 00:45:05,975 INFO L134 CoverageAnalysis]: Checked inductivity of 200 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 200 trivial. 0 not checked. [2024-11-17 00:45:05,975 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-17 00:45:05,975 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1562525828] [2024-11-17 00:45:05,975 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1562525828] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-17 00:45:05,976 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-17 00:45:05,976 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-17 00:45:05,976 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1441175989] [2024-11-17 00:45:05,976 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-17 00:45:05,976 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-17 00:45:05,976 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-17 00:45:05,977 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-17 00:45:05,977 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-17 00:45:05,977 INFO L87 Difference]: Start difference. First operand 1342 states and 1821 transitions. Second operand has 4 states, 3 states have (on average 5.333333333333333) internal successors, (16), 3 states have internal predecessors, (16), 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) [2024-11-17 00:45:07,065 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-17 00:45:07,066 INFO L93 Difference]: Finished difference Result 1575 states and 1945 transitions. [2024-11-17 00:45:07,066 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-17 00:45:07,067 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 5.333333333333333) internal successors, (16), 3 states have internal predecessors, (16), 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 55 [2024-11-17 00:45:07,067 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-17 00:45:07,072 INFO L225 Difference]: With dead ends: 1575 [2024-11-17 00:45:07,072 INFO L226 Difference]: Without dead ends: 1575 [2024-11-17 00:45:07,072 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2024-11-17 00:45:07,073 INFO L432 NwaCegarLoop]: 635 mSDtfsCounter, 873 mSDsluCounter, 904 mSDsCounter, 0 mSdLazyCounter, 917 mSolverCounterSat, 174 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 921 SdHoareTripleChecker+Valid, 1539 SdHoareTripleChecker+Invalid, 1091 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 174 IncrementalHoareTripleChecker+Valid, 917 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.0s IncrementalHoareTripleChecker+Time [2024-11-17 00:45:07,073 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [921 Valid, 1539 Invalid, 1091 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [174 Valid, 917 Invalid, 0 Unknown, 0 Unchecked, 1.0s Time] [2024-11-17 00:45:07,075 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1575 states. [2024-11-17 00:45:07,096 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1575 to 1340. [2024-11-17 00:45:07,098 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1340 states, 876 states have (on average 1.6484018264840183) internal successors, (1444), 1097 states have internal predecessors, (1444), 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) [2024-11-17 00:45:07,102 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1340 states to 1340 states and 1812 transitions. [2024-11-17 00:45:07,103 INFO L78 Accepts]: Start accepts. Automaton has 1340 states and 1812 transitions. Word has length 55 [2024-11-17 00:45:07,103 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-17 00:45:07,103 INFO L471 AbstractCegarLoop]: Abstraction has 1340 states and 1812 transitions. [2024-11-17 00:45:07,103 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 5.333333333333333) internal successors, (16), 3 states have internal predecessors, (16), 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) [2024-11-17 00:45:07,104 INFO L276 IsEmpty]: Start isEmpty. Operand 1340 states and 1812 transitions. [2024-11-17 00:45:07,104 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 56 [2024-11-17 00:45:07,105 INFO L207 NwaCegarLoop]: Found error trace [2024-11-17 00:45:07,105 INFO L215 NwaCegarLoop]: trace histogram [11, 10, 10, 10, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-17 00:45:07,105 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2024-11-17 00:45:07,105 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)] === [2024-11-17 00:45:07,105 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-17 00:45:07,106 INFO L85 PathProgramCache]: Analyzing trace with hash -1498620373, now seen corresponding path program 1 times [2024-11-17 00:45:07,106 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-17 00:45:07,106 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [537121170] [2024-11-17 00:45:07,106 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-17 00:45:07,106 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-17 00:45:08,820 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 00:45:09,763 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-11-17 00:45:09,771 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 00:45:09,781 INFO L134 CoverageAnalysis]: Checked inductivity of 200 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 200 trivial. 0 not checked. [2024-11-17 00:45:09,781 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-17 00:45:09,781 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [537121170] [2024-11-17 00:45:09,781 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [537121170] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-17 00:45:09,782 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-17 00:45:09,782 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-17 00:45:09,782 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [264264961] [2024-11-17 00:45:09,782 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-17 00:45:09,782 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-17 00:45:09,782 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-17 00:45:09,783 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-17 00:45:09,783 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2024-11-17 00:45:09,783 INFO L87 Difference]: Start difference. First operand 1340 states and 1812 transitions. Second operand has 5 states, 4 states have (on average 4.0) internal successors, (16), 4 states have internal predecessors, (16), 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) [2024-11-17 00:45:10,810 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-17 00:45:10,811 INFO L93 Difference]: Finished difference Result 1421 states and 1855 transitions. [2024-11-17 00:45:10,811 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-17 00:45:10,811 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 4.0) internal successors, (16), 4 states have internal predecessors, (16), 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 55 [2024-11-17 00:45:10,811 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-17 00:45:10,816 INFO L225 Difference]: With dead ends: 1421 [2024-11-17 00:45:10,816 INFO L226 Difference]: Without dead ends: 1421 [2024-11-17 00:45:10,816 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2024-11-17 00:45:10,817 INFO L432 NwaCegarLoop]: 748 mSDtfsCounter, 386 mSDsluCounter, 1111 mSDsCounter, 0 mSdLazyCounter, 877 mSolverCounterSat, 106 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 418 SdHoareTripleChecker+Valid, 1859 SdHoareTripleChecker+Invalid, 983 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 106 IncrementalHoareTripleChecker+Valid, 877 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.0s IncrementalHoareTripleChecker+Time [2024-11-17 00:45:10,817 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [418 Valid, 1859 Invalid, 983 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [106 Valid, 877 Invalid, 0 Unknown, 0 Unchecked, 1.0s Time] [2024-11-17 00:45:10,820 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1421 states. [2024-11-17 00:45:10,842 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1421 to 1338. [2024-11-17 00:45:10,844 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1338 states, 876 states have (on average 1.6461187214611872) internal successors, (1442), 1095 states have internal predecessors, (1442), 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) [2024-11-17 00:45:10,850 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1338 states to 1338 states and 1810 transitions. [2024-11-17 00:45:10,850 INFO L78 Accepts]: Start accepts. Automaton has 1338 states and 1810 transitions. Word has length 55 [2024-11-17 00:45:10,851 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-17 00:45:10,852 INFO L471 AbstractCegarLoop]: Abstraction has 1338 states and 1810 transitions. [2024-11-17 00:45:10,852 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 4.0) internal successors, (16), 4 states have internal predecessors, (16), 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) [2024-11-17 00:45:10,852 INFO L276 IsEmpty]: Start isEmpty. Operand 1338 states and 1810 transitions. [2024-11-17 00:45:10,855 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 81 [2024-11-17 00:45:10,855 INFO L207 NwaCegarLoop]: Found error trace [2024-11-17 00:45:10,855 INFO L215 NwaCegarLoop]: trace histogram [11, 10, 10, 10, 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] [2024-11-17 00:45:10,855 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2024-11-17 00:45:10,855 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)] === [2024-11-17 00:45:10,856 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-17 00:45:10,856 INFO L85 PathProgramCache]: Analyzing trace with hash 1645582464, now seen corresponding path program 1 times [2024-11-17 00:45:10,856 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-17 00:45:10,856 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2009318910] [2024-11-17 00:45:10,856 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-17 00:45:10,858 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-17 00:45:12,463 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 00:45:12,982 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-11-17 00:45:12,987 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 00:45:12,994 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2024-11-17 00:45:12,997 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 00:45:13,001 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2024-11-17 00:45:13,004 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 00:45:13,010 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-17 00:45:13,011 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 00:45:13,019 INFO L134 CoverageAnalysis]: Checked inductivity of 202 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 202 trivial. 0 not checked. [2024-11-17 00:45:13,019 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-17 00:45:13,019 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2009318910] [2024-11-17 00:45:13,019 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2009318910] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-17 00:45:13,019 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-17 00:45:13,019 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-17 00:45:13,019 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1931834984] [2024-11-17 00:45:13,019 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-17 00:45:13,020 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-17 00:45:13,020 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-17 00:45:13,020 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-17 00:45:13,020 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-17 00:45:13,021 INFO L87 Difference]: Start difference. First operand 1338 states and 1810 transitions. Second operand has 4 states, 4 states have (on average 8.5) internal successors, (34), 3 states have internal predecessors, (34), 2 states have call successors, (4), 2 states have call predecessors, (4), 1 states have return successors, (4), 2 states have call predecessors, (4), 2 states have call successors, (4) [2024-11-17 00:45:13,488 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-17 00:45:13,489 INFO L93 Difference]: Finished difference Result 1361 states and 1837 transitions. [2024-11-17 00:45:13,489 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-17 00:45:13,489 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 8.5) internal successors, (34), 3 states have internal predecessors, (34), 2 states have call successors, (4), 2 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 80 [2024-11-17 00:45:13,492 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-17 00:45:13,499 INFO L225 Difference]: With dead ends: 1361 [2024-11-17 00:45:13,499 INFO L226 Difference]: Without dead ends: 1361 [2024-11-17 00:45:13,500 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 12 GetRequests, 9 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2024-11-17 00:45:13,500 INFO L432 NwaCegarLoop]: 719 mSDtfsCounter, 901 mSDsluCounter, 555 mSDsCounter, 0 mSdLazyCounter, 202 mSolverCounterSat, 132 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 943 SdHoareTripleChecker+Valid, 1274 SdHoareTripleChecker+Invalid, 334 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 132 IncrementalHoareTripleChecker+Valid, 202 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2024-11-17 00:45:13,501 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [943 Valid, 1274 Invalid, 334 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [132 Valid, 202 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2024-11-17 00:45:13,502 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1361 states. [2024-11-17 00:45:13,523 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1361 to 1337. [2024-11-17 00:45:13,526 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1337 states, 875 states have (on average 1.6445714285714286) internal successors, (1439), 1094 states have internal predecessors, (1439), 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) [2024-11-17 00:45:13,531 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1337 states to 1337 states and 1807 transitions. [2024-11-17 00:45:13,531 INFO L78 Accepts]: Start accepts. Automaton has 1337 states and 1807 transitions. Word has length 80 [2024-11-17 00:45:13,532 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-17 00:45:13,532 INFO L471 AbstractCegarLoop]: Abstraction has 1337 states and 1807 transitions. [2024-11-17 00:45:13,532 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 8.5) internal successors, (34), 3 states have internal predecessors, (34), 2 states have call successors, (4), 2 states have call predecessors, (4), 1 states have return successors, (4), 2 states have call predecessors, (4), 2 states have call successors, (4) [2024-11-17 00:45:13,532 INFO L276 IsEmpty]: Start isEmpty. Operand 1337 states and 1807 transitions. [2024-11-17 00:45:13,534 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 83 [2024-11-17 00:45:13,536 INFO L207 NwaCegarLoop]: Found error trace [2024-11-17 00:45:13,536 INFO L215 NwaCegarLoop]: trace histogram [11, 10, 10, 10, 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] [2024-11-17 00:45:13,536 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2024-11-17 00:45:13,536 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)] === [2024-11-17 00:45:13,537 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-17 00:45:13,537 INFO L85 PathProgramCache]: Analyzing trace with hash 857798528, now seen corresponding path program 1 times [2024-11-17 00:45:13,537 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-17 00:45:13,537 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [808585819] [2024-11-17 00:45:13,537 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-17 00:45:13,538 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-17 00:45:15,290 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 00:45:15,733 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-11-17 00:45:15,738 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 00:45:15,743 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2024-11-17 00:45:15,745 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 00:45:15,749 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2024-11-17 00:45:15,751 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 00:45:15,757 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-17 00:45:15,759 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 00:45:15,763 INFO L134 CoverageAnalysis]: Checked inductivity of 202 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 202 trivial. 0 not checked. [2024-11-17 00:45:15,764 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-17 00:45:15,764 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [808585819] [2024-11-17 00:45:15,764 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [808585819] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-17 00:45:15,764 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-17 00:45:15,764 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-17 00:45:15,764 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1025741132] [2024-11-17 00:45:15,765 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-17 00:45:15,765 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-17 00:45:15,765 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-17 00:45:15,765 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-17 00:45:15,766 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-17 00:45:15,766 INFO L87 Difference]: Start difference. First operand 1337 states and 1807 transitions. Second operand has 4 states, 3 states have (on average 12.0) internal successors, (36), 3 states have internal predecessors, (36), 1 states have call successors, (4), 2 states have call predecessors, (4), 1 states have return successors, (4), 1 states have call predecessors, (4), 1 states have call successors, (4) [2024-11-17 00:45:16,727 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-17 00:45:16,728 INFO L93 Difference]: Finished difference Result 1360 states and 1836 transitions. [2024-11-17 00:45:16,728 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-17 00:45:16,728 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 12.0) internal successors, (36), 3 states have internal predecessors, (36), 1 states have call successors, (4), 2 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 82 [2024-11-17 00:45:16,729 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-17 00:45:16,733 INFO L225 Difference]: With dead ends: 1360 [2024-11-17 00:45:16,734 INFO L226 Difference]: Without dead ends: 1360 [2024-11-17 00:45:16,734 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 8 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-17 00:45:16,735 INFO L432 NwaCegarLoop]: 723 mSDtfsCounter, 146 mSDsluCounter, 1049 mSDsCounter, 0 mSdLazyCounter, 549 mSolverCounterSat, 74 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 161 SdHoareTripleChecker+Valid, 1772 SdHoareTripleChecker+Invalid, 623 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 74 IncrementalHoareTripleChecker+Valid, 549 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.9s IncrementalHoareTripleChecker+Time [2024-11-17 00:45:16,736 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [161 Valid, 1772 Invalid, 623 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [74 Valid, 549 Invalid, 0 Unknown, 0 Unchecked, 0.9s Time] [2024-11-17 00:45:16,738 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1360 states. [2024-11-17 00:45:16,757 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1360 to 1336. [2024-11-17 00:45:16,759 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1336 states, 875 states have (on average 1.6434285714285715) internal successors, (1438), 1093 states have internal predecessors, (1438), 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) [2024-11-17 00:45:16,763 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1336 states to 1336 states and 1806 transitions. [2024-11-17 00:45:16,763 INFO L78 Accepts]: Start accepts. Automaton has 1336 states and 1806 transitions. Word has length 82 [2024-11-17 00:45:16,764 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-17 00:45:16,765 INFO L471 AbstractCegarLoop]: Abstraction has 1336 states and 1806 transitions. [2024-11-17 00:45:16,765 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 12.0) internal successors, (36), 3 states have internal predecessors, (36), 1 states have call successors, (4), 2 states have call predecessors, (4), 1 states have return successors, (4), 1 states have call predecessors, (4), 1 states have call successors, (4) [2024-11-17 00:45:16,765 INFO L276 IsEmpty]: Start isEmpty. Operand 1336 states and 1806 transitions. [2024-11-17 00:45:16,766 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 83 [2024-11-17 00:45:16,766 INFO L207 NwaCegarLoop]: Found error trace [2024-11-17 00:45:16,767 INFO L215 NwaCegarLoop]: trace histogram [11, 10, 10, 10, 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] [2024-11-17 00:45:16,767 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2024-11-17 00:45:16,767 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)] === [2024-11-17 00:45:16,767 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-17 00:45:16,768 INFO L85 PathProgramCache]: Analyzing trace with hash 857798529, now seen corresponding path program 1 times [2024-11-17 00:45:16,768 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-17 00:45:16,768 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [918554476] [2024-11-17 00:45:16,768 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-17 00:45:16,768 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-17 00:45:18,547 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 00:45:19,472 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-11-17 00:45:19,478 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 00:45:19,485 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2024-11-17 00:45:19,488 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 00:45:19,492 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2024-11-17 00:45:19,495 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 00:45:19,501 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-17 00:45:19,503 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 00:45:19,506 INFO L134 CoverageAnalysis]: Checked inductivity of 202 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 202 trivial. 0 not checked. [2024-11-17 00:45:19,506 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-17 00:45:19,507 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [918554476] [2024-11-17 00:45:19,507 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [918554476] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-17 00:45:19,507 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-17 00:45:19,507 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-17 00:45:19,507 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1953341300] [2024-11-17 00:45:19,507 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-17 00:45:19,508 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-17 00:45:19,508 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-17 00:45:19,508 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-17 00:45:19,508 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-11-17 00:45:19,509 INFO L87 Difference]: Start difference. First operand 1336 states and 1806 transitions. Second operand has 5 states, 4 states have (on average 9.0) internal successors, (36), 4 states have internal predecessors, (36), 2 states have call successors, (4), 2 states have call predecessors, (4), 1 states have return successors, (4), 2 states have call predecessors, (4), 2 states have call successors, (4) [2024-11-17 00:45:20,521 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-17 00:45:20,521 INFO L93 Difference]: Finished difference Result 1359 states and 1835 transitions. [2024-11-17 00:45:20,521 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-17 00:45:20,521 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 9.0) internal successors, (36), 4 states have internal predecessors, (36), 2 states have call successors, (4), 2 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 82 [2024-11-17 00:45:20,522 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-17 00:45:20,527 INFO L225 Difference]: With dead ends: 1359 [2024-11-17 00:45:20,528 INFO L226 Difference]: Without dead ends: 1359 [2024-11-17 00:45:20,528 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 13 GetRequests, 8 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=15, Invalid=27, Unknown=0, NotChecked=0, Total=42 [2024-11-17 00:45:20,529 INFO L432 NwaCegarLoop]: 716 mSDtfsCounter, 896 mSDsluCounter, 1046 mSDsCounter, 0 mSdLazyCounter, 558 mSolverCounterSat, 131 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 938 SdHoareTripleChecker+Valid, 1762 SdHoareTripleChecker+Invalid, 689 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 131 IncrementalHoareTripleChecker+Valid, 558 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.9s IncrementalHoareTripleChecker+Time [2024-11-17 00:45:20,529 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [938 Valid, 1762 Invalid, 689 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [131 Valid, 558 Invalid, 0 Unknown, 0 Unchecked, 0.9s Time] [2024-11-17 00:45:20,531 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1359 states. [2024-11-17 00:45:20,550 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1359 to 1335. [2024-11-17 00:45:20,552 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1335 states, 875 states have (on average 1.6422857142857143) internal successors, (1437), 1092 states have internal predecessors, (1437), 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) [2024-11-17 00:45:20,556 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1335 states to 1335 states and 1805 transitions. [2024-11-17 00:45:20,556 INFO L78 Accepts]: Start accepts. Automaton has 1335 states and 1805 transitions. Word has length 82 [2024-11-17 00:45:20,556 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-17 00:45:20,557 INFO L471 AbstractCegarLoop]: Abstraction has 1335 states and 1805 transitions. [2024-11-17 00:45:20,557 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 9.0) internal successors, (36), 4 states have internal predecessors, (36), 2 states have call successors, (4), 2 states have call predecessors, (4), 1 states have return successors, (4), 2 states have call predecessors, (4), 2 states have call successors, (4) [2024-11-17 00:45:20,557 INFO L276 IsEmpty]: Start isEmpty. Operand 1335 states and 1805 transitions. [2024-11-17 00:45:20,557 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 89 [2024-11-17 00:45:20,558 INFO L207 NwaCegarLoop]: Found error trace [2024-11-17 00:45:20,558 INFO L215 NwaCegarLoop]: trace histogram [11, 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] [2024-11-17 00:45:20,558 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2024-11-17 00:45:20,558 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)] === [2024-11-17 00:45:20,559 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-17 00:45:20,559 INFO L85 PathProgramCache]: Analyzing trace with hash 1374490187, now seen corresponding path program 1 times [2024-11-17 00:45:20,559 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-17 00:45:20,559 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [442850123] [2024-11-17 00:45:20,559 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-17 00:45:20,559 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-17 00:45:22,206 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 00:45:22,511 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-11-17 00:45:22,516 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 00:45:22,523 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2024-11-17 00:45:22,527 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 00:45:22,531 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2024-11-17 00:45:22,534 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 00:45:22,539 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-17 00:45:22,540 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 00:45:22,542 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2024-11-17 00:45:22,545 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 00:45:22,549 INFO L134 CoverageAnalysis]: Checked inductivity of 205 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 205 trivial. 0 not checked. [2024-11-17 00:45:22,549 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-17 00:45:22,550 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [442850123] [2024-11-17 00:45:22,550 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [442850123] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-17 00:45:22,550 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-17 00:45:22,550 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-17 00:45:22,550 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1406403278] [2024-11-17 00:45:22,550 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-17 00:45:22,551 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-17 00:45:22,551 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-17 00:45:22,552 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-17 00:45:22,552 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-17 00:45:22,552 INFO L87 Difference]: Start difference. First operand 1335 states and 1805 transitions. Second operand has 4 states, 3 states have (on average 12.666666666666666) internal successors, (38), 3 states have internal predecessors, (38), 2 states have call successors, (5), 2 states have call predecessors, (5), 1 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) [2024-11-17 00:45:23,507 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-17 00:45:23,507 INFO L93 Difference]: Finished difference Result 1401 states and 1845 transitions. [2024-11-17 00:45:23,508 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-17 00:45:23,508 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 12.666666666666666) internal successors, (38), 3 states have internal predecessors, (38), 2 states have call successors, (5), 2 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 88 [2024-11-17 00:45:23,508 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-17 00:45:23,512 INFO L225 Difference]: With dead ends: 1401 [2024-11-17 00:45:23,513 INFO L226 Difference]: Without dead ends: 1387 [2024-11-17 00:45:23,513 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 12 GetRequests, 10 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-17 00:45:23,513 INFO L432 NwaCegarLoop]: 708 mSDtfsCounter, 240 mSDsluCounter, 999 mSDsCounter, 0 mSdLazyCounter, 631 mSolverCounterSat, 80 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 265 SdHoareTripleChecker+Valid, 1707 SdHoareTripleChecker+Invalid, 711 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 80 IncrementalHoareTripleChecker+Valid, 631 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.9s IncrementalHoareTripleChecker+Time [2024-11-17 00:45:23,514 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [265 Valid, 1707 Invalid, 711 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [80 Valid, 631 Invalid, 0 Unknown, 0 Unchecked, 0.9s Time] [2024-11-17 00:45:23,515 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1387 states. [2024-11-17 00:45:23,536 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1387 to 1330. [2024-11-17 00:45:23,538 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1330 states, 872 states have (on average 1.643348623853211) internal successors, (1433), 1089 states have internal predecessors, (1433), 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) [2024-11-17 00:45:23,541 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1330 states to 1330 states and 1797 transitions. [2024-11-17 00:45:23,542 INFO L78 Accepts]: Start accepts. Automaton has 1330 states and 1797 transitions. Word has length 88 [2024-11-17 00:45:23,542 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-17 00:45:23,542 INFO L471 AbstractCegarLoop]: Abstraction has 1330 states and 1797 transitions. [2024-11-17 00:45:23,543 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 12.666666666666666) internal successors, (38), 3 states have internal predecessors, (38), 2 states have call successors, (5), 2 states have call predecessors, (5), 1 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) [2024-11-17 00:45:23,543 INFO L276 IsEmpty]: Start isEmpty. Operand 1330 states and 1797 transitions. [2024-11-17 00:45:23,543 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 92 [2024-11-17 00:45:23,544 INFO L207 NwaCegarLoop]: Found error trace [2024-11-17 00:45:23,544 INFO L215 NwaCegarLoop]: trace histogram [11, 10, 10, 10, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-17 00:45:23,544 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2024-11-17 00:45:23,544 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)] === [2024-11-17 00:45:23,545 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-17 00:45:23,545 INFO L85 PathProgramCache]: Analyzing trace with hash -713730505, now seen corresponding path program 1 times [2024-11-17 00:45:23,545 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-17 00:45:23,545 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [117056070] [2024-11-17 00:45:23,545 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-17 00:45:23,546 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-17 00:45:25,163 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 00:45:26,474 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-11-17 00:45:26,479 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 00:45:26,495 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2024-11-17 00:45:26,497 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 00:45:26,502 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2024-11-17 00:45:26,505 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 00:45:26,512 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-17 00:45:26,513 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 00:45:26,516 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2024-11-17 00:45:26,519 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 00:45:26,525 INFO L134 CoverageAnalysis]: Checked inductivity of 207 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 205 trivial. 0 not checked. [2024-11-17 00:45:26,526 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-17 00:45:26,526 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [117056070] [2024-11-17 00:45:26,526 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [117056070] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-17 00:45:26,526 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [409831697] [2024-11-17 00:45:26,526 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-17 00:45:26,526 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-17 00:45:26,527 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-17 00:45:26,528 INFO L229 MonitoredProcess]: Starting monitored process 4 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-17 00:45:26,529 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2024-11-17 00:45:29,471 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 00:45:29,492 INFO L255 TraceCheckSpWp]: Trace formula consists of 5844 conjuncts, 13 conjuncts are in the unsatisfiable core [2024-11-17 00:45:29,498 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-17 00:45:29,810 INFO L349 Elim1Store]: treesize reduction 20, result has 33.3 percent of original size [2024-11-17 00:45:29,811 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 2 case distinctions, treesize of input 19 treesize of output 16 [2024-11-17 00:45:29,844 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 14 treesize of output 9 [2024-11-17 00:45:29,875 INFO L134 CoverageAnalysis]: Checked inductivity of 207 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 205 trivial. 0 not checked. [2024-11-17 00:45:29,876 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-17 00:45:29,965 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [409831697] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-17 00:45:29,966 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2024-11-17 00:45:29,966 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 4] total 9 [2024-11-17 00:45:29,966 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [513335968] [2024-11-17 00:45:29,966 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2024-11-17 00:45:29,966 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2024-11-17 00:45:29,966 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-17 00:45:29,967 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2024-11-17 00:45:29,967 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=26, Invalid=84, Unknown=0, NotChecked=0, Total=110 [2024-11-17 00:45:29,967 INFO L87 Difference]: Start difference. First operand 1330 states and 1797 transitions. Second operand has 10 states, 9 states have (on average 6.222222222222222) internal successors, (56), 7 states have internal predecessors, (56), 4 states have call successors, (12), 5 states have call predecessors, (12), 2 states have return successors, (10), 3 states have call predecessors, (10), 3 states have call successors, (10)