./Ultimate.py --spec ../sv-benchmarks/c/properties/valid-memsafety.prp --file ../sv-benchmarks/c/ddv-machzwd/ddv_machzwd_pthread_mutex_unlock.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for memory safety (deref-memtrack) Using default analysis Version c00e63dc Calling Ultimate with: /root/.sdkman/candidates/java/21.0.5-tem/bin/java -Dosgi.configuration.area=/storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/config/AutomizerMemDerefMemtrack.xml -i ../sv-benchmarks/c/ddv-machzwd/ddv_machzwd_pthread_mutex_unlock.i -s /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/config/svcomp-DerefFreeMemtrack-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate-jdk21/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 4aba0d481dbad425b1cb3ce4949768f5bfa91a070fed6a0c2b192c70ad920fc2 --- Real Ultimate output --- This is Ultimate 0.3.0-?-c00e63d-m [2025-02-06 10:36:50,822 INFO L188 SettingsManager]: Resetting all preferences to default values... [2025-02-06 10:36:50,876 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/config/svcomp-DerefFreeMemtrack-32bit-Automizer_Default.epf [2025-02-06 10:36:50,879 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2025-02-06 10:36:50,880 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2025-02-06 10:36:50,903 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2025-02-06 10:36:50,904 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2025-02-06 10:36:50,904 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2025-02-06 10:36:50,904 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2025-02-06 10:36:50,904 INFO L153 SettingsManager]: * Use memory slicer=true [2025-02-06 10:36:50,904 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2025-02-06 10:36:50,904 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2025-02-06 10:36:50,905 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2025-02-06 10:36:50,905 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2025-02-06 10:36:50,905 INFO L153 SettingsManager]: * Use SBE=true [2025-02-06 10:36:50,905 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2025-02-06 10:36:50,905 INFO L153 SettingsManager]: * sizeof long=4 [2025-02-06 10:36:50,905 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2025-02-06 10:36:50,905 INFO L153 SettingsManager]: * sizeof POINTER=4 [2025-02-06 10:36:50,905 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2025-02-06 10:36:50,905 INFO L153 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2025-02-06 10:36:50,905 INFO L153 SettingsManager]: * Bitprecise bitfields=true [2025-02-06 10:36:50,905 INFO L153 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2025-02-06 10:36:50,905 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2025-02-06 10:36:50,905 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2025-02-06 10:36:50,905 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2025-02-06 10:36:50,905 INFO L153 SettingsManager]: * sizeof long double=12 [2025-02-06 10:36:50,905 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2025-02-06 10:36:50,905 INFO L153 SettingsManager]: * Use constant arrays=true [2025-02-06 10:36:50,905 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2025-02-06 10:36:50,905 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2025-02-06 10:36:50,905 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2025-02-06 10:36:50,905 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2025-02-06 10:36:50,905 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2025-02-06 10:36:50,906 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2025-02-06 10:36:50,906 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2025-02-06 10:36:50,906 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2025-02-06 10:36:50,906 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2025-02-06 10:36:50,906 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2025-02-06 10:36:50,906 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2025-02-06 10:36:50,906 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2025-02-06 10:36:50,906 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2025-02-06 10:36:50,906 INFO L153 SettingsManager]: * Looper check in Petri net analysis=SEMANTIC Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate-jdk21/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 -> 4aba0d481dbad425b1cb3ce4949768f5bfa91a070fed6a0c2b192c70ad920fc2 [2025-02-06 10:36:51,129 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2025-02-06 10:36:51,137 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2025-02-06 10:36:51,138 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2025-02-06 10:36:51,139 INFO L270 PluginConnector]: Initializing CDTParser... [2025-02-06 10:36:51,139 INFO L274 PluginConnector]: CDTParser initialized [2025-02-06 10:36:51,140 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/ddv-machzwd/ddv_machzwd_pthread_mutex_unlock.i [2025-02-06 10:36:52,312 INFO L533 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/c94153ddf/8044fa7c27584b29ac2096bf0d7e5807/FLAG148d57bbe [2025-02-06 10:36:52,717 INFO L384 CDTParser]: Found 1 translation units. [2025-02-06 10:36:52,722 INFO L180 CDTParser]: Scanning /storage/repos/ultimate-jdk21/releaseScripts/default/sv-benchmarks/c/ddv-machzwd/ddv_machzwd_pthread_mutex_unlock.i [2025-02-06 10:36:52,747 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/c94153ddf/8044fa7c27584b29ac2096bf0d7e5807/FLAG148d57bbe [2025-02-06 10:36:52,759 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/c94153ddf/8044fa7c27584b29ac2096bf0d7e5807 [2025-02-06 10:36:52,761 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2025-02-06 10:36:52,762 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2025-02-06 10:36:52,764 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2025-02-06 10:36:52,764 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2025-02-06 10:36:52,766 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2025-02-06 10:36:52,768 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.02 10:36:52" (1/1) ... [2025-02-06 10:36:52,769 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@218b75e5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.02 10:36:52, skipping insertion in model container [2025-02-06 10:36:52,769 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.02 10:36:52" (1/1) ... [2025-02-06 10:36:52,819 INFO L175 MainTranslator]: Built tables and reachable declarations [2025-02-06 10:36:53,418 WARN L1100 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2025-02-06 10:36:53,432 WARN L1100 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2025-02-06 10:36:53,445 WARN L1100 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2025-02-06 10:36:53,503 WARN L1100 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2025-02-06 10:36:53,522 WARN L1100 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2025-02-06 10:36:53,523 INFO L210 PostProcessor]: Analyzing one entry point: main [2025-02-06 10:36:53,560 INFO L200 MainTranslator]: Completed pre-run [2025-02-06 10:36:53,717 INFO L210 PostProcessor]: Analyzing one entry point: main [2025-02-06 10:36:53,881 INFO L204 MainTranslator]: Completed translation [2025-02-06 10:36:53,882 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.02 10:36:53 WrapperNode [2025-02-06 10:36:53,882 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2025-02-06 10:36:53,883 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2025-02-06 10:36:53,883 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2025-02-06 10:36:53,883 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2025-02-06 10:36:53,887 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.02 10:36:53" (1/1) ... [2025-02-06 10:36:53,939 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.02 10:36:53" (1/1) ... [2025-02-06 10:36:54,058 INFO L138 Inliner]: procedures = 473, calls = 2668, calls flagged for inlining = 55, calls inlined = 37, statements flattened = 3342 [2025-02-06 10:36:54,059 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2025-02-06 10:36:54,060 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2025-02-06 10:36:54,060 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2025-02-06 10:36:54,060 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2025-02-06 10:36:54,068 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.02 10:36:53" (1/1) ... [2025-02-06 10:36:54,069 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.02 10:36:53" (1/1) ... [2025-02-06 10:36:54,081 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.02 10:36:53" (1/1) ... [2025-02-06 10:36:54,151 INFO L175 MemorySlicer]: Split 2024 memory accesses to 27 slices as follows [5, 3, 16, 35, 1040, 480, 59, 35, 11, 5, 15, 120, 67, 0, 12, 2, 20, 2, 4, 5, 2, 3, 18, 37, 2, 21, 5]. 51 percent of accesses are in the largest equivalence class. The 1901 initializations are split as follows [3, 3, 5, 15, 1040, 480, 59, 32, 2, 1, 10, 120, 67, 0, 6, 2, 4, 0, 4, 4, 0, 0, 18, 25, 0, 0, 1]. The 58 writes are split as follows [0, 0, 8, 6, 0, 0, 0, 0, 5, 1, 2, 0, 0, 0, 6, 0, 4, 2, 0, 0, 1, 0, 0, 0, 0, 21, 2]. [2025-02-06 10:36:54,151 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.02 10:36:53" (1/1) ... [2025-02-06 10:36:54,152 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.02 10:36:53" (1/1) ... [2025-02-06 10:36:54,220 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.02 10:36:53" (1/1) ... [2025-02-06 10:36:54,232 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.02 10:36:53" (1/1) ... [2025-02-06 10:36:54,247 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.02 10:36:53" (1/1) ... [2025-02-06 10:36:54,256 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.02 10:36:53" (1/1) ... [2025-02-06 10:36:54,279 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2025-02-06 10:36:54,281 INFO L112 PluginConnector]: ------------------------IcfgBuilder---------------------------- [2025-02-06 10:36:54,281 INFO L270 PluginConnector]: Initializing IcfgBuilder... [2025-02-06 10:36:54,281 INFO L274 PluginConnector]: IcfgBuilder initialized [2025-02-06 10:36:54,281 INFO L184 PluginConnector]: Executing the observer IcfgBuilderObserver from plugin IcfgBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.02 10:36:53" (1/1) ... [2025-02-06 10:36:54,285 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2025-02-06 10:36:54,295 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-06 10:36:54,306 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2025-02-06 10:36:54,310 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2025-02-06 10:36:54,338 INFO L130 BoogieDeclarations]: Found specification of procedure zf_timer_off [2025-02-06 10:36:54,339 INFO L138 BoogieDeclarations]: Found implementation of procedure zf_timer_off [2025-02-06 10:36:54,339 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2025-02-06 10:36:54,339 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_atomic_begin [2025-02-06 10:36:54,339 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock_irqrestore [2025-02-06 10:36:54,339 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock_irqrestore [2025-02-06 10:36:54,339 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2025-02-06 10:36:54,339 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock [2025-02-06 10:36:54,339 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock [2025-02-06 10:36:54,339 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2025-02-06 10:36:54,339 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_atomic_end [2025-02-06 10:36:54,339 INFO L130 BoogieDeclarations]: Found specification of procedure zf_get_control [2025-02-06 10:36:54,339 INFO L138 BoogieDeclarations]: Found implementation of procedure zf_get_control [2025-02-06 10:36:54,339 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#0 [2025-02-06 10:36:54,339 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#1 [2025-02-06 10:36:54,340 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#2 [2025-02-06 10:36:54,340 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#3 [2025-02-06 10:36:54,340 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#4 [2025-02-06 10:36:54,340 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#5 [2025-02-06 10:36:54,340 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#6 [2025-02-06 10:36:54,340 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#7 [2025-02-06 10:36:54,340 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#8 [2025-02-06 10:36:54,340 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#9 [2025-02-06 10:36:54,340 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#10 [2025-02-06 10:36:54,340 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#11 [2025-02-06 10:36:54,340 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#12 [2025-02-06 10:36:54,340 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#13 [2025-02-06 10:36:54,340 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#14 [2025-02-06 10:36:54,341 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#15 [2025-02-06 10:36:54,341 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#16 [2025-02-06 10:36:54,341 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#17 [2025-02-06 10:36:54,341 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#18 [2025-02-06 10:36:54,341 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#19 [2025-02-06 10:36:54,341 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#20 [2025-02-06 10:36:54,341 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#21 [2025-02-06 10:36:54,341 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#22 [2025-02-06 10:36:54,341 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#23 [2025-02-06 10:36:54,341 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#24 [2025-02-06 10:36:54,341 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#25 [2025-02-06 10:36:54,341 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#26 [2025-02-06 10:36:54,341 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#0 [2025-02-06 10:36:54,341 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#1 [2025-02-06 10:36:54,342 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#2 [2025-02-06 10:36:54,342 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#3 [2025-02-06 10:36:54,342 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#4 [2025-02-06 10:36:54,342 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#5 [2025-02-06 10:36:54,342 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#6 [2025-02-06 10:36:54,342 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#7 [2025-02-06 10:36:54,342 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#8 [2025-02-06 10:36:54,342 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#9 [2025-02-06 10:36:54,342 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#10 [2025-02-06 10:36:54,342 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#11 [2025-02-06 10:36:54,342 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#12 [2025-02-06 10:36:54,342 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#13 [2025-02-06 10:36:54,342 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#14 [2025-02-06 10:36:54,342 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#15 [2025-02-06 10:36:54,342 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#16 [2025-02-06 10:36:54,342 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#17 [2025-02-06 10:36:54,342 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#18 [2025-02-06 10:36:54,342 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#19 [2025-02-06 10:36:54,342 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#20 [2025-02-06 10:36:54,342 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#21 [2025-02-06 10:36:54,342 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#22 [2025-02-06 10:36:54,342 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#23 [2025-02-06 10:36:54,342 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#24 [2025-02-06 10:36:54,342 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#25 [2025-02-06 10:36:54,342 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#26 [2025-02-06 10:36:54,343 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2025-02-06 10:36:54,343 INFO L130 BoogieDeclarations]: Found specification of procedure request_region [2025-02-06 10:36:54,343 INFO L138 BoogieDeclarations]: Found implementation of procedure request_region [2025-02-06 10:36:54,343 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2025-02-06 10:36:54,343 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#0 [2025-02-06 10:36:54,343 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#1 [2025-02-06 10:36:54,343 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#2 [2025-02-06 10:36:54,343 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#3 [2025-02-06 10:36:54,343 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#4 [2025-02-06 10:36:54,343 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#5 [2025-02-06 10:36:54,343 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#6 [2025-02-06 10:36:54,343 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#7 [2025-02-06 10:36:54,343 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#8 [2025-02-06 10:36:54,343 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#9 [2025-02-06 10:36:54,343 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#10 [2025-02-06 10:36:54,343 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#11 [2025-02-06 10:36:54,343 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#12 [2025-02-06 10:36:54,343 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#13 [2025-02-06 10:36:54,343 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#14 [2025-02-06 10:36:54,343 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#15 [2025-02-06 10:36:54,343 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#16 [2025-02-06 10:36:54,343 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#17 [2025-02-06 10:36:54,343 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#18 [2025-02-06 10:36:54,343 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#19 [2025-02-06 10:36:54,343 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#20 [2025-02-06 10:36:54,343 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#21 [2025-02-06 10:36:54,343 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#22 [2025-02-06 10:36:54,343 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#23 [2025-02-06 10:36:54,343 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#24 [2025-02-06 10:36:54,343 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#25 [2025-02-06 10:36:54,343 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#26 [2025-02-06 10:36:54,343 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~VOID [2025-02-06 10:36:54,343 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~VOID [2025-02-06 10:36:54,343 INFO L130 BoogieDeclarations]: Found specification of procedure spin_lock_irqsave [2025-02-06 10:36:54,343 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_lock_irqsave [2025-02-06 10:36:54,343 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~TO~VOID [2025-02-06 10:36:54,343 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~TO~VOID [2025-02-06 10:36:54,343 INFO L130 BoogieDeclarations]: Found specification of procedure release_region [2025-02-06 10:36:54,343 INFO L138 BoogieDeclarations]: Found implementation of procedure release_region [2025-02-06 10:36:54,343 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2025-02-06 10:36:54,344 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2025-02-06 10:36:54,344 INFO L130 BoogieDeclarations]: Found specification of procedure spin_lock_init [2025-02-06 10:36:54,344 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_lock_init [2025-02-06 10:36:54,344 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2025-02-06 10:36:54,344 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2025-02-06 10:36:54,344 INFO L130 BoogieDeclarations]: Found specification of procedure del_timer [2025-02-06 10:36:54,344 INFO L138 BoogieDeclarations]: Found implementation of procedure del_timer [2025-02-06 10:36:54,344 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2025-02-06 10:36:54,344 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#0 [2025-02-06 10:36:54,344 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#1 [2025-02-06 10:36:54,344 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#2 [2025-02-06 10:36:54,344 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#3 [2025-02-06 10:36:54,344 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#4 [2025-02-06 10:36:54,344 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#5 [2025-02-06 10:36:54,344 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#6 [2025-02-06 10:36:54,344 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#7 [2025-02-06 10:36:54,346 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#8 [2025-02-06 10:36:54,346 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#9 [2025-02-06 10:36:54,346 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#10 [2025-02-06 10:36:54,346 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#11 [2025-02-06 10:36:54,346 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#12 [2025-02-06 10:36:54,346 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#13 [2025-02-06 10:36:54,346 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#14 [2025-02-06 10:36:54,346 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#15 [2025-02-06 10:36:54,346 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#16 [2025-02-06 10:36:54,347 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#17 [2025-02-06 10:36:54,347 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#18 [2025-02-06 10:36:54,347 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#19 [2025-02-06 10:36:54,347 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#20 [2025-02-06 10:36:54,347 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#21 [2025-02-06 10:36:54,347 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#22 [2025-02-06 10:36:54,347 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#23 [2025-02-06 10:36:54,347 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#24 [2025-02-06 10:36:54,347 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#25 [2025-02-06 10:36:54,347 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#26 [2025-02-06 10:36:54,347 INFO L130 BoogieDeclarations]: Found specification of procedure add_timer [2025-02-06 10:36:54,347 INFO L138 BoogieDeclarations]: Found implementation of procedure add_timer [2025-02-06 10:36:54,347 INFO L130 BoogieDeclarations]: Found specification of procedure cdev_add [2025-02-06 10:36:54,347 INFO L138 BoogieDeclarations]: Found implementation of procedure cdev_add [2025-02-06 10:36:54,347 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~$Pointer$~X~int~X~$Pointer$~TO~int [2025-02-06 10:36:54,347 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~$Pointer$~X~int~X~$Pointer$~TO~int [2025-02-06 10:36:54,347 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#0 [2025-02-06 10:36:54,347 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#1 [2025-02-06 10:36:54,347 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#2 [2025-02-06 10:36:54,347 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#3 [2025-02-06 10:36:54,347 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#4 [2025-02-06 10:36:54,347 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#5 [2025-02-06 10:36:54,347 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#6 [2025-02-06 10:36:54,347 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#7 [2025-02-06 10:36:54,347 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#8 [2025-02-06 10:36:54,347 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#9 [2025-02-06 10:36:54,347 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#10 [2025-02-06 10:36:54,347 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#11 [2025-02-06 10:36:54,347 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#12 [2025-02-06 10:36:54,347 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#13 [2025-02-06 10:36:54,347 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#14 [2025-02-06 10:36:54,347 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#15 [2025-02-06 10:36:54,347 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#16 [2025-02-06 10:36:54,347 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#17 [2025-02-06 10:36:54,347 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#18 [2025-02-06 10:36:54,347 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#19 [2025-02-06 10:36:54,347 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#20 [2025-02-06 10:36:54,347 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#21 [2025-02-06 10:36:54,347 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#22 [2025-02-06 10:36:54,347 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#23 [2025-02-06 10:36:54,347 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#24 [2025-02-06 10:36:54,348 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#25 [2025-02-06 10:36:54,348 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#26 [2025-02-06 10:36:54,348 INFO L130 BoogieDeclarations]: Found specification of procedure printk [2025-02-06 10:36:54,348 INFO L138 BoogieDeclarations]: Found implementation of procedure printk [2025-02-06 10:36:54,348 INFO L130 BoogieDeclarations]: Found specification of procedure outw [2025-02-06 10:36:54,348 INFO L138 BoogieDeclarations]: Found implementation of procedure outw [2025-02-06 10:36:54,348 INFO L130 BoogieDeclarations]: Found specification of procedure outb [2025-02-06 10:36:54,348 INFO L138 BoogieDeclarations]: Found implementation of procedure outb [2025-02-06 10:36:54,348 INFO L130 BoogieDeclarations]: Found specification of procedure misc_deregister [2025-02-06 10:36:54,348 INFO L138 BoogieDeclarations]: Found implementation of procedure misc_deregister [2025-02-06 10:36:54,348 INFO L130 BoogieDeclarations]: Found specification of procedure assert_context_process [2025-02-06 10:36:54,348 INFO L138 BoogieDeclarations]: Found implementation of procedure assert_context_process [2025-02-06 10:36:54,348 INFO L130 BoogieDeclarations]: Found specification of procedure zf_set_control [2025-02-06 10:36:54,348 INFO L138 BoogieDeclarations]: Found implementation of procedure zf_set_control [2025-02-06 10:36:54,348 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#0 [2025-02-06 10:36:54,348 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#1 [2025-02-06 10:36:54,348 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#2 [2025-02-06 10:36:54,348 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#3 [2025-02-06 10:36:54,348 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#4 [2025-02-06 10:36:54,348 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#5 [2025-02-06 10:36:54,348 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#6 [2025-02-06 10:36:54,348 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#7 [2025-02-06 10:36:54,348 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#8 [2025-02-06 10:36:54,348 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#9 [2025-02-06 10:36:54,348 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#10 [2025-02-06 10:36:54,348 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#11 [2025-02-06 10:36:54,348 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#12 [2025-02-06 10:36:54,348 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#13 [2025-02-06 10:36:54,349 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#14 [2025-02-06 10:36:54,349 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#15 [2025-02-06 10:36:54,349 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#16 [2025-02-06 10:36:54,349 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#17 [2025-02-06 10:36:54,349 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#18 [2025-02-06 10:36:54,349 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#19 [2025-02-06 10:36:54,349 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#20 [2025-02-06 10:36:54,350 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#21 [2025-02-06 10:36:54,350 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#22 [2025-02-06 10:36:54,350 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#23 [2025-02-06 10:36:54,350 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#24 [2025-02-06 10:36:54,350 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#25 [2025-02-06 10:36:54,350 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#26 [2025-02-06 10:36:54,350 INFO L130 BoogieDeclarations]: Found specification of procedure zf_readw [2025-02-06 10:36:54,350 INFO L138 BoogieDeclarations]: Found implementation of procedure zf_readw [2025-02-06 10:36:54,350 INFO L130 BoogieDeclarations]: Found specification of procedure zf_ping [2025-02-06 10:36:54,350 INFO L138 BoogieDeclarations]: Found implementation of procedure zf_ping [2025-02-06 10:36:54,350 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~$Pointer$~X~int~X~int~TO~int [2025-02-06 10:36:54,350 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~$Pointer$~X~int~X~int~TO~int [2025-02-06 10:36:54,350 INFO L130 BoogieDeclarations]: Found specification of procedure spin_lock [2025-02-06 10:36:54,350 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_lock [2025-02-06 10:36:54,350 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~$Pointer$~TO~int [2025-02-06 10:36:54,351 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~$Pointer$~TO~int [2025-02-06 10:36:54,351 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2025-02-06 10:36:54,351 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#1 [2025-02-06 10:36:54,351 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#2 [2025-02-06 10:36:54,351 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#3 [2025-02-06 10:36:54,351 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#4 [2025-02-06 10:36:54,351 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#5 [2025-02-06 10:36:54,351 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#6 [2025-02-06 10:36:54,351 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#7 [2025-02-06 10:36:54,351 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#8 [2025-02-06 10:36:54,351 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#9 [2025-02-06 10:36:54,351 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#10 [2025-02-06 10:36:54,351 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#11 [2025-02-06 10:36:54,351 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#12 [2025-02-06 10:36:54,351 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#13 [2025-02-06 10:36:54,351 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#14 [2025-02-06 10:36:54,352 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#15 [2025-02-06 10:36:54,352 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#16 [2025-02-06 10:36:54,352 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#17 [2025-02-06 10:36:54,352 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#18 [2025-02-06 10:36:54,352 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#19 [2025-02-06 10:36:54,352 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#20 [2025-02-06 10:36:54,352 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#21 [2025-02-06 10:36:54,352 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#22 [2025-02-06 10:36:54,352 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#23 [2025-02-06 10:36:54,352 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#24 [2025-02-06 10:36:54,352 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#25 [2025-02-06 10:36:54,352 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#26 [2025-02-06 10:36:54,702 INFO L257 CfgBuilder]: Building ICFG [2025-02-06 10:36:54,704 INFO L287 CfgBuilder]: Building CFG for each procedure with an implementation [2025-02-06 10:36:54,891 INFO L1309 $ProcedureCfgBuilder]: dead code at ProgramPoint L3247: havoc get_user_#t~nondet672#1; [2025-02-06 10:36:54,908 INFO L1309 $ProcedureCfgBuilder]: dead code at ProgramPoint L1510: havoc #t~ret201; [2025-02-06 10:36:54,921 INFO L1309 $ProcedureCfgBuilder]: dead code at ProgramPoint L1472: havoc #t~ret200#1; [2025-02-06 10:36:54,921 INFO L1309 $ProcedureCfgBuilder]: dead code at ProgramPoint L3963: havoc inw_#t~nondet754#1; [2025-02-06 10:36:54,991 INFO L1309 $ProcedureCfgBuilder]: dead code at ProgramPoint L3271: havoc copy_to_user_#t~nondet675#1; [2025-02-06 10:36:54,991 INFO L1309 $ProcedureCfgBuilder]: dead code at ProgramPoint L3263: havoc put_user_#t~nondet674#1; [2025-02-06 10:36:55,089 INFO L1309 $ProcedureCfgBuilder]: dead code at ProgramPoint L1707: havoc zf_open_#t~ret219#1; [2025-02-06 10:36:55,090 INFO L1309 $ProcedureCfgBuilder]: dead code at ProgramPoint L4510: havoc test_and_set_bit_#t~bitwise795#1; [2025-02-06 10:36:58,870 INFO L1309 $ProcedureCfgBuilder]: dead code at ProgramPoint L3506: havoc misc_register_#t~ret714#1; [2025-02-06 10:36:58,975 INFO L? ?]: Removed 648 outVars from TransFormulas that were not future-live. [2025-02-06 10:36:58,975 INFO L308 CfgBuilder]: Performing block encoding [2025-02-06 10:36:59,020 INFO L332 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2025-02-06 10:36:59,024 INFO L337 CfgBuilder]: Removed 0 assume(true) statements. [2025-02-06 10:36:59,025 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 06.02 10:36:59 BoogieIcfgContainer [2025-02-06 10:36:59,025 INFO L131 PluginConnector]: ------------------------ END IcfgBuilder---------------------------- [2025-02-06 10:36:59,027 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2025-02-06 10:36:59,027 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2025-02-06 10:36:59,031 INFO L274 PluginConnector]: TraceAbstraction initialized [2025-02-06 10:36:59,031 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 06.02 10:36:52" (1/3) ... [2025-02-06 10:36:59,032 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@57106322 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 06.02 10:36:59, skipping insertion in model container [2025-02-06 10:36:59,033 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.02 10:36:53" (2/3) ... [2025-02-06 10:36:59,034 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@57106322 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 06.02 10:36:59, skipping insertion in model container [2025-02-06 10:36:59,034 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 06.02 10:36:59" (3/3) ... [2025-02-06 10:36:59,035 INFO L128 eAbstractionObserver]: Analyzing ICFG ddv_machzwd_pthread_mutex_unlock.i [2025-02-06 10:36:59,047 INFO L216 ceAbstractionStarter]: Automizer settings: Hoare:None NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2025-02-06 10:36:59,050 INFO L151 ceAbstractionStarter]: Applying trace abstraction to ICFG ddv_machzwd_pthread_mutex_unlock.i that has 29 procedures, 701 locations, 1 initial locations, 4 loop locations, and 205 error locations. [2025-02-06 10:36:59,094 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2025-02-06 10:36:59,103 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;@3286d18d, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2025-02-06 10:36:59,103 INFO L334 AbstractCegarLoop]: Starting to check reachability of 205 error locations. [2025-02-06 10:36:59,111 INFO L276 IsEmpty]: Start isEmpty. Operand has 697 states, 387 states have (on average 1.7881136950904393) internal successors, (692), 598 states have internal predecessors, (692), 78 states have call successors, (78), 26 states have call predecessors, (78), 26 states have return successors, (78), 78 states have call predecessors, (78), 78 states have call successors, (78) [2025-02-06 10:36:59,115 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2025-02-06 10:36:59,115 INFO L210 NwaCegarLoop]: Found error trace [2025-02-06 10:36:59,116 INFO L218 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1] [2025-02-06 10:36:59,116 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting spin_lock_initErr2REQUIRES_VIOLATIONMEMORY_DEREFERENCE === [spin_lock_initErr0REQUIRES_VIOLATIONMEMORY_DEREFERENCE, spin_lock_initErr1REQUIRES_VIOLATIONMEMORY_DEREFERENCE, spin_lock_initErr2REQUIRES_VIOLATIONMEMORY_DEREFERENCE (and 202 more)] === [2025-02-06 10:36:59,119 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-06 10:36:59,120 INFO L85 PathProgramCache]: Analyzing trace with hash 926720359, now seen corresponding path program 1 times [2025-02-06 10:36:59,125 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-06 10:36:59,126 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1756380842] [2025-02-06 10:36:59,127 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-06 10:36:59,127 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-06 10:37:01,253 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 5 statements into 1 equivalence classes. [2025-02-06 10:37:01,757 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 5 of 5 statements. [2025-02-06 10:37:01,759 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-06 10:37:01,759 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-06 10:37:02,830 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-02-06 10:37:02,832 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-06 10:37:02,832 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1756380842] [2025-02-06 10:37:02,832 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1756380842] provided 1 perfect and 0 imperfect interpolant sequences [2025-02-06 10:37:02,833 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-02-06 10:37:02,833 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2025-02-06 10:37:02,833 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1779966246] [2025-02-06 10:37:02,834 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-02-06 10:37:02,836 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2025-02-06 10:37:02,836 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-06 10:37:02,851 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2025-02-06 10:37:02,852 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2025-02-06 10:37:02,855 INFO L87 Difference]: Start difference. First operand has 697 states, 387 states have (on average 1.7881136950904393) internal successors, (692), 598 states have internal predecessors, (692), 78 states have call successors, (78), 26 states have call predecessors, (78), 26 states have return successors, (78), 78 states have call predecessors, (78), 78 states have call successors, (78) Second operand has 5 states, 4 states have (on average 1.0) internal successors, (4), 3 states have internal predecessors, (4), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-02-06 10:37:05,006 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.14s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2025-02-06 10:37:06,820 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.81s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2025-02-06 10:37:07,880 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-02-06 10:37:07,881 INFO L93 Difference]: Finished difference Result 1261 states and 1525 transitions. [2025-02-06 10:37:07,882 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2025-02-06 10:37:07,882 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 1.0) internal successors, (4), 3 states have internal predecessors, (4), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 5 [2025-02-06 10:37:07,882 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-02-06 10:37:07,910 INFO L225 Difference]: With dead ends: 1261 [2025-02-06 10:37:07,910 INFO L226 Difference]: Without dead ends: 1257 [2025-02-06 10:37:07,911 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2025-02-06 10:37:07,916 INFO L435 NwaCegarLoop]: 753 mSDtfsCounter, 723 mSDsluCounter, 1748 mSDsCounter, 0 mSdLazyCounter, 1163 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 724 SdHoareTripleChecker+Valid, 2501 SdHoareTripleChecker+Invalid, 1167 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 1163 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.9s IncrementalHoareTripleChecker+Time [2025-02-06 10:37:07,916 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [724 Valid, 2501 Invalid, 1167 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 1163 Invalid, 0 Unknown, 0 Unchecked, 4.9s Time] [2025-02-06 10:37:07,943 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1257 states. [2025-02-06 10:37:08,061 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1257 to 1044. [2025-02-06 10:37:08,067 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1044 states, 651 states have (on average 1.771121351766513) internal successors, (1153), 873 states have internal predecessors, (1153), 138 states have call successors, (138), 50 states have call predecessors, (138), 50 states have return successors, (138), 131 states have call predecessors, (138), 138 states have call successors, (138) [2025-02-06 10:37:08,082 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1044 states to 1044 states and 1429 transitions. [2025-02-06 10:37:08,083 INFO L78 Accepts]: Start accepts. Automaton has 1044 states and 1429 transitions. Word has length 5 [2025-02-06 10:37:08,083 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-02-06 10:37:08,083 INFO L471 AbstractCegarLoop]: Abstraction has 1044 states and 1429 transitions. [2025-02-06 10:37:08,083 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 1.0) internal successors, (4), 3 states have internal predecessors, (4), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-02-06 10:37:08,083 INFO L276 IsEmpty]: Start isEmpty. Operand 1044 states and 1429 transitions. [2025-02-06 10:37:08,083 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2025-02-06 10:37:08,083 INFO L210 NwaCegarLoop]: Found error trace [2025-02-06 10:37:08,083 INFO L218 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1] [2025-02-06 10:37:08,083 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2025-02-06 10:37:08,090 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting spin_lock_initErr3REQUIRES_VIOLATIONMEMORY_DEREFERENCE === [spin_lock_initErr0REQUIRES_VIOLATIONMEMORY_DEREFERENCE, spin_lock_initErr1REQUIRES_VIOLATIONMEMORY_DEREFERENCE, spin_lock_initErr2REQUIRES_VIOLATIONMEMORY_DEREFERENCE (and 202 more)] === [2025-02-06 10:37:08,090 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-06 10:37:08,090 INFO L85 PathProgramCache]: Analyzing trace with hash 926720360, now seen corresponding path program 1 times [2025-02-06 10:37:08,091 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-06 10:37:08,091 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1611809043] [2025-02-06 10:37:08,091 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-06 10:37:08,091 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-06 10:37:10,065 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 5 statements into 1 equivalence classes. [2025-02-06 10:37:10,172 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 5 of 5 statements. [2025-02-06 10:37:10,172 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-06 10:37:10,172 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-06 10:37:11,154 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-02-06 10:37:11,154 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-06 10:37:11,154 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1611809043] [2025-02-06 10:37:11,155 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1611809043] provided 1 perfect and 0 imperfect interpolant sequences [2025-02-06 10:37:11,155 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-02-06 10:37:11,155 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2025-02-06 10:37:11,155 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [956814832] [2025-02-06 10:37:11,155 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-02-06 10:37:11,155 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2025-02-06 10:37:11,155 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-06 10:37:11,156 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2025-02-06 10:37:11,156 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2025-02-06 10:37:11,156 INFO L87 Difference]: Start difference. First operand 1044 states and 1429 transitions. Second operand has 5 states, 4 states have (on average 1.0) internal successors, (4), 3 states have internal predecessors, (4), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-02-06 10:37:12,372 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.21s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2025-02-06 10:37:13,524 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.15s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2025-02-06 10:37:14,250 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-02-06 10:37:14,251 INFO L93 Difference]: Finished difference Result 1183 states and 1531 transitions. [2025-02-06 10:37:14,251 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2025-02-06 10:37:14,251 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 1.0) internal successors, (4), 3 states have internal predecessors, (4), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 5 [2025-02-06 10:37:14,251 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-02-06 10:37:14,256 INFO L225 Difference]: With dead ends: 1183 [2025-02-06 10:37:14,256 INFO L226 Difference]: Without dead ends: 1183 [2025-02-06 10:37:14,257 INFO L434 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 [2025-02-06 10:37:14,257 INFO L435 NwaCegarLoop]: 874 mSDtfsCounter, 279 mSDsluCounter, 1897 mSDsCounter, 0 mSdLazyCounter, 912 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 280 SdHoareTripleChecker+Valid, 2771 SdHoareTripleChecker+Invalid, 913 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 912 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.0s IncrementalHoareTripleChecker+Time [2025-02-06 10:37:14,257 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [280 Valid, 2771 Invalid, 913 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 912 Invalid, 0 Unknown, 0 Unchecked, 3.0s Time] [2025-02-06 10:37:14,258 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1183 states. [2025-02-06 10:37:14,274 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1183 to 1124. [2025-02-06 10:37:14,275 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1124 states, 699 states have (on average 1.7353361945636623) internal successors, (1213), 922 states have internal predecessors, (1213), 157 states have call successors, (157), 63 states have call predecessors, (157), 63 states have return successors, (157), 150 states have call predecessors, (157), 157 states have call successors, (157) [2025-02-06 10:37:14,279 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1124 states to 1124 states and 1527 transitions. [2025-02-06 10:37:14,279 INFO L78 Accepts]: Start accepts. Automaton has 1124 states and 1527 transitions. Word has length 5 [2025-02-06 10:37:14,279 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-02-06 10:37:14,279 INFO L471 AbstractCegarLoop]: Abstraction has 1124 states and 1527 transitions. [2025-02-06 10:37:14,280 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 1.0) internal successors, (4), 3 states have internal predecessors, (4), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-02-06 10:37:14,280 INFO L276 IsEmpty]: Start isEmpty. Operand 1124 states and 1527 transitions. [2025-02-06 10:37:14,280 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2025-02-06 10:37:14,280 INFO L210 NwaCegarLoop]: Found error trace [2025-02-06 10:37:14,280 INFO L218 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-02-06 10:37:14,280 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2025-02-06 10:37:14,280 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr163REQUIRES_VIOLATIONMEMORY_DEREFERENCE === [spin_lock_initErr0REQUIRES_VIOLATIONMEMORY_DEREFERENCE, spin_lock_initErr1REQUIRES_VIOLATIONMEMORY_DEREFERENCE, spin_lock_initErr2REQUIRES_VIOLATIONMEMORY_DEREFERENCE (and 202 more)] === [2025-02-06 10:37:14,280 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-06 10:37:14,281 INFO L85 PathProgramCache]: Analyzing trace with hash -1147177173, now seen corresponding path program 1 times [2025-02-06 10:37:14,281 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-06 10:37:14,281 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [525398881] [2025-02-06 10:37:14,281 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-06 10:37:14,281 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-06 10:37:15,997 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 11 statements into 1 equivalence classes. [2025-02-06 10:37:16,034 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 11 of 11 statements. [2025-02-06 10:37:16,036 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-06 10:37:16,037 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-06 10:37:16,342 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-02-06 10:37:16,342 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-06 10:37:16,342 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [525398881] [2025-02-06 10:37:16,343 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [525398881] provided 1 perfect and 0 imperfect interpolant sequences [2025-02-06 10:37:16,343 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-02-06 10:37:16,343 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2025-02-06 10:37:16,343 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [782154088] [2025-02-06 10:37:16,343 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-02-06 10:37:16,344 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2025-02-06 10:37:16,345 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-06 10:37:16,346 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2025-02-06 10:37:16,346 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-02-06 10:37:16,346 INFO L87 Difference]: Start difference. First operand 1124 states and 1527 transitions. Second operand has 3 states, 2 states have (on average 4.5) internal successors, (9), 3 states have internal predecessors, (9), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2025-02-06 10:37:16,852 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-02-06 10:37:16,852 INFO L93 Difference]: Finished difference Result 1330 states and 1614 transitions. [2025-02-06 10:37:16,852 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-02-06 10:37:16,852 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 4.5) internal successors, (9), 3 states have internal predecessors, (9), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 11 [2025-02-06 10:37:16,853 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-02-06 10:37:16,857 INFO L225 Difference]: With dead ends: 1330 [2025-02-06 10:37:16,857 INFO L226 Difference]: Without dead ends: 1330 [2025-02-06 10:37:16,857 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-02-06 10:37:16,857 INFO L435 NwaCegarLoop]: 737 mSDtfsCounter, 705 mSDsluCounter, 579 mSDsCounter, 0 mSdLazyCounter, 416 mSolverCounterSat, 7 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 705 SdHoareTripleChecker+Valid, 1316 SdHoareTripleChecker+Invalid, 423 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 416 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2025-02-06 10:37:16,858 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [705 Valid, 1316 Invalid, 423 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 416 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2025-02-06 10:37:16,859 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1330 states. [2025-02-06 10:37:16,875 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1330 to 1123. [2025-02-06 10:37:16,877 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1123 states, 699 states have (on average 1.7281831187410586) internal successors, (1208), 921 states have internal predecessors, (1208), 157 states have call successors, (157), 63 states have call predecessors, (157), 63 states have return successors, (157), 150 states have call predecessors, (157), 157 states have call successors, (157) [2025-02-06 10:37:16,881 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1123 states to 1123 states and 1522 transitions. [2025-02-06 10:37:16,881 INFO L78 Accepts]: Start accepts. Automaton has 1123 states and 1522 transitions. Word has length 11 [2025-02-06 10:37:16,882 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-02-06 10:37:16,882 INFO L471 AbstractCegarLoop]: Abstraction has 1123 states and 1522 transitions. [2025-02-06 10:37:16,882 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 4.5) internal successors, (9), 3 states have internal predecessors, (9), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2025-02-06 10:37:16,882 INFO L276 IsEmpty]: Start isEmpty. Operand 1123 states and 1522 transitions. [2025-02-06 10:37:16,882 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2025-02-06 10:37:16,882 INFO L210 NwaCegarLoop]: Found error trace [2025-02-06 10:37:16,882 INFO L218 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-02-06 10:37:16,882 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2025-02-06 10:37:16,882 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr164REQUIRES_VIOLATIONMEMORY_DEREFERENCE === [spin_lock_initErr0REQUIRES_VIOLATIONMEMORY_DEREFERENCE, spin_lock_initErr1REQUIRES_VIOLATIONMEMORY_DEREFERENCE, spin_lock_initErr2REQUIRES_VIOLATIONMEMORY_DEREFERENCE (and 202 more)] === [2025-02-06 10:37:16,883 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-06 10:37:16,883 INFO L85 PathProgramCache]: Analyzing trace with hash -1147177172, now seen corresponding path program 1 times [2025-02-06 10:37:16,883 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-06 10:37:16,883 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [681187659] [2025-02-06 10:37:16,883 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-06 10:37:16,883 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-06 10:37:18,691 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 11 statements into 1 equivalence classes. [2025-02-06 10:37:18,735 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 11 of 11 statements. [2025-02-06 10:37:18,735 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-06 10:37:18,735 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-06 10:37:19,300 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-02-06 10:37:19,301 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-06 10:37:19,301 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [681187659] [2025-02-06 10:37:19,301 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [681187659] provided 1 perfect and 0 imperfect interpolant sequences [2025-02-06 10:37:19,301 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-02-06 10:37:19,301 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2025-02-06 10:37:19,301 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2028787248] [2025-02-06 10:37:19,301 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-02-06 10:37:19,301 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2025-02-06 10:37:19,301 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-06 10:37:19,302 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2025-02-06 10:37:19,303 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2025-02-06 10:37:19,303 INFO L87 Difference]: Start difference. First operand 1123 states and 1522 transitions. Second operand has 4 states, 3 states have (on average 3.0) internal successors, (9), 4 states have internal predecessors, (9), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2025-02-06 10:37:21,134 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.83s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2025-02-06 10:37:21,737 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-02-06 10:37:21,737 INFO L93 Difference]: Finished difference Result 1187 states and 1537 transitions. [2025-02-06 10:37:21,737 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-02-06 10:37:21,738 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 3.0) internal successors, (9), 4 states have internal predecessors, (9), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 11 [2025-02-06 10:37:21,738 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-02-06 10:37:21,742 INFO L225 Difference]: With dead ends: 1187 [2025-02-06 10:37:21,742 INFO L226 Difference]: Without dead ends: 1187 [2025-02-06 10:37:21,743 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2025-02-06 10:37:21,745 INFO L435 NwaCegarLoop]: 871 mSDtfsCounter, 277 mSDsluCounter, 1229 mSDsCounter, 0 mSdLazyCounter, 620 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 277 SdHoareTripleChecker+Valid, 2100 SdHoareTripleChecker+Invalid, 623 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 620 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.4s IncrementalHoareTripleChecker+Time [2025-02-06 10:37:21,746 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [277 Valid, 2100 Invalid, 623 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 620 Invalid, 0 Unknown, 0 Unchecked, 2.4s Time] [2025-02-06 10:37:21,747 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1187 states. [2025-02-06 10:37:21,771 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1187 to 1126. [2025-02-06 10:37:21,772 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1126 states, 702 states have (on average 1.725071225071225) internal successors, (1211), 924 states have internal predecessors, (1211), 157 states have call successors, (157), 63 states have call predecessors, (157), 63 states have return successors, (157), 150 states have call predecessors, (157), 157 states have call successors, (157) [2025-02-06 10:37:21,777 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1126 states to 1126 states and 1525 transitions. [2025-02-06 10:37:21,777 INFO L78 Accepts]: Start accepts. Automaton has 1126 states and 1525 transitions. Word has length 11 [2025-02-06 10:37:21,777 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-02-06 10:37:21,777 INFO L471 AbstractCegarLoop]: Abstraction has 1126 states and 1525 transitions. [2025-02-06 10:37:21,777 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 3.0) internal successors, (9), 4 states have internal predecessors, (9), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2025-02-06 10:37:21,778 INFO L276 IsEmpty]: Start isEmpty. Operand 1126 states and 1525 transitions. [2025-02-06 10:37:21,778 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2025-02-06 10:37:21,778 INFO L210 NwaCegarLoop]: Found error trace [2025-02-06 10:37:21,778 INFO L218 NwaCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-02-06 10:37:21,778 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2025-02-06 10:37:21,778 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr164REQUIRES_VIOLATIONMEMORY_DEREFERENCE === [spin_lock_initErr0REQUIRES_VIOLATIONMEMORY_DEREFERENCE, spin_lock_initErr1REQUIRES_VIOLATIONMEMORY_DEREFERENCE, spin_lock_initErr2REQUIRES_VIOLATIONMEMORY_DEREFERENCE (and 202 more)] === [2025-02-06 10:37:21,778 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-06 10:37:21,778 INFO L85 PathProgramCache]: Analyzing trace with hash -499489766, now seen corresponding path program 1 times [2025-02-06 10:37:21,779 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-06 10:37:21,779 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [611392629] [2025-02-06 10:37:21,779 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-06 10:37:21,779 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-06 10:37:23,488 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 14 statements into 1 equivalence classes. [2025-02-06 10:37:23,524 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 14 of 14 statements. [2025-02-06 10:37:23,524 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-06 10:37:23,524 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-06 10:37:24,083 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-02-06 10:37:24,083 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-06 10:37:24,083 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [611392629] [2025-02-06 10:37:24,083 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [611392629] provided 0 perfect and 1 imperfect interpolant sequences [2025-02-06 10:37:24,083 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [964786528] [2025-02-06 10:37:24,083 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-06 10:37:24,083 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-02-06 10:37:24,083 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-06 10:37:24,088 INFO L229 MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-02-06 10:37:24,090 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2025-02-06 10:37:26,159 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 14 statements into 1 equivalence classes. [2025-02-06 10:37:26,672 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 14 of 14 statements. [2025-02-06 10:37:26,673 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-06 10:37:26,673 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-06 10:37:26,698 INFO L256 TraceCheckSpWp]: Trace formula consists of 5614 conjuncts, 10 conjuncts are in the unsatisfiable core [2025-02-06 10:37:26,705 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-02-06 10:37:26,851 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-02-06 10:37:26,852 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-02-06 10:37:26,935 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-02-06 10:37:26,936 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [964786528] provided 0 perfect and 2 imperfect interpolant sequences [2025-02-06 10:37:26,936 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2025-02-06 10:37:26,936 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 3, 4] total 11 [2025-02-06 10:37:26,936 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [665144688] [2025-02-06 10:37:26,936 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2025-02-06 10:37:26,936 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2025-02-06 10:37:26,937 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-06 10:37:26,937 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2025-02-06 10:37:26,937 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=36, Invalid=96, Unknown=0, NotChecked=0, Total=132 [2025-02-06 10:37:26,937 INFO L87 Difference]: Start difference. First operand 1126 states and 1525 transitions. Second operand has 12 states, 11 states have (on average 2.909090909090909) internal successors, (32), 12 states have internal predecessors, (32), 3 states have call successors, (3), 2 states have call predecessors, (3), 2 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) [2025-02-06 10:37:28,255 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.31s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2025-02-06 10:37:30,216 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.96s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2025-02-06 10:37:35,187 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-02-06 10:37:35,187 INFO L93 Difference]: Finished difference Result 1402 states and 1775 transitions. [2025-02-06 10:37:35,187 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2025-02-06 10:37:35,187 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 11 states have (on average 2.909090909090909) internal successors, (32), 12 states have internal predecessors, (32), 3 states have call successors, (3), 2 states have call predecessors, (3), 2 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) Word has length 14 [2025-02-06 10:37:35,188 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-02-06 10:37:35,197 INFO L225 Difference]: With dead ends: 1402 [2025-02-06 10:37:35,197 INFO L226 Difference]: Without dead ends: 1402 [2025-02-06 10:37:35,197 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 38 GetRequests, 22 SyntacticMatches, 0 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 29 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=94, Invalid=212, Unknown=0, NotChecked=0, Total=306 [2025-02-06 10:37:35,198 INFO L435 NwaCegarLoop]: 878 mSDtfsCounter, 745 mSDsluCounter, 4261 mSDsCounter, 0 mSdLazyCounter, 2564 mSolverCounterSat, 147 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 7.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 745 SdHoareTripleChecker+Valid, 5139 SdHoareTripleChecker+Invalid, 2711 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 147 IncrementalHoareTripleChecker+Valid, 2564 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 8.1s IncrementalHoareTripleChecker+Time [2025-02-06 10:37:35,198 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [745 Valid, 5139 Invalid, 2711 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [147 Valid, 2564 Invalid, 0 Unknown, 0 Unchecked, 8.1s Time] [2025-02-06 10:37:35,199 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1402 states. [2025-02-06 10:37:35,229 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1402 to 1278. [2025-02-06 10:37:35,230 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1278 states, 812 states have (on average 1.7105911330049262) internal successors, (1389), 1035 states have internal predecessors, (1389), 184 states have call successors, (184), 79 states have call predecessors, (184), 79 states have return successors, (184), 176 states have call predecessors, (184), 184 states have call successors, (184) [2025-02-06 10:37:35,234 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1278 states to 1278 states and 1757 transitions. [2025-02-06 10:37:35,234 INFO L78 Accepts]: Start accepts. Automaton has 1278 states and 1757 transitions. Word has length 14 [2025-02-06 10:37:35,234 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-02-06 10:37:35,234 INFO L471 AbstractCegarLoop]: Abstraction has 1278 states and 1757 transitions. [2025-02-06 10:37:35,234 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 11 states have (on average 2.909090909090909) internal successors, (32), 12 states have internal predecessors, (32), 3 states have call successors, (3), 2 states have call predecessors, (3), 2 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) [2025-02-06 10:37:35,234 INFO L276 IsEmpty]: Start isEmpty. Operand 1278 states and 1757 transitions. [2025-02-06 10:37:35,235 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2025-02-06 10:37:35,235 INFO L210 NwaCegarLoop]: Found error trace [2025-02-06 10:37:35,235 INFO L218 NwaCegarLoop]: trace histogram [4, 4, 4, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-02-06 10:37:35,252 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Ended with exit code 0 [2025-02-06 10:37:35,439 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4,2 /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-02-06 10:37:35,439 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr161REQUIRES_VIOLATIONMEMORY_DEREFERENCE === [spin_lock_initErr0REQUIRES_VIOLATIONMEMORY_DEREFERENCE, spin_lock_initErr1REQUIRES_VIOLATIONMEMORY_DEREFERENCE, spin_lock_initErr2REQUIRES_VIOLATIONMEMORY_DEREFERENCE (and 202 more)] === [2025-02-06 10:37:35,440 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-06 10:37:35,440 INFO L85 PathProgramCache]: Analyzing trace with hash 1775123445, now seen corresponding path program 1 times [2025-02-06 10:37:35,440 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-06 10:37:35,440 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1079461307] [2025-02-06 10:37:35,440 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-06 10:37:35,440 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-06 10:37:37,103 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 24 statements into 1 equivalence classes. [2025-02-06 10:37:37,136 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 24 of 24 statements. [2025-02-06 10:37:37,137 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-06 10:37:37,137 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-06 10:37:37,368 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2025-02-06 10:37:37,368 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-06 10:37:37,368 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1079461307] [2025-02-06 10:37:37,369 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1079461307] provided 1 perfect and 0 imperfect interpolant sequences [2025-02-06 10:37:37,369 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-02-06 10:37:37,369 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2025-02-06 10:37:37,369 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [549544927] [2025-02-06 10:37:37,369 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-02-06 10:37:37,369 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2025-02-06 10:37:37,369 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-06 10:37:37,369 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2025-02-06 10:37:37,369 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-02-06 10:37:37,370 INFO L87 Difference]: Start difference. First operand 1278 states and 1757 transitions. Second operand has 3 states, 2 states have (on average 6.5) internal successors, (13), 3 states have internal predecessors, (13), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2025-02-06 10:37:37,806 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-02-06 10:37:37,806 INFO L93 Difference]: Finished difference Result 1486 states and 1850 transitions. [2025-02-06 10:37:37,807 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-02-06 10:37:37,807 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 6.5) internal successors, (13), 3 states have internal predecessors, (13), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 24 [2025-02-06 10:37:37,807 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-02-06 10:37:37,811 INFO L225 Difference]: With dead ends: 1486 [2025-02-06 10:37:37,811 INFO L226 Difference]: Without dead ends: 1486 [2025-02-06 10:37:37,811 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-02-06 10:37:37,812 INFO L435 NwaCegarLoop]: 744 mSDtfsCounter, 691 mSDsluCounter, 576 mSDsCounter, 0 mSdLazyCounter, 414 mSolverCounterSat, 11 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 691 SdHoareTripleChecker+Valid, 1320 SdHoareTripleChecker+Invalid, 425 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 11 IncrementalHoareTripleChecker+Valid, 414 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2025-02-06 10:37:37,812 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [691 Valid, 1320 Invalid, 425 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [11 Valid, 414 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2025-02-06 10:37:37,813 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1486 states. [2025-02-06 10:37:37,830 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1486 to 1276. [2025-02-06 10:37:37,831 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1276 states, 812 states have (on average 1.6995073891625616) internal successors, (1380), 1033 states have internal predecessors, (1380), 184 states have call successors, (184), 79 states have call predecessors, (184), 79 states have return successors, (184), 176 states have call predecessors, (184), 184 states have call successors, (184) [2025-02-06 10:37:37,835 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1276 states to 1276 states and 1748 transitions. [2025-02-06 10:37:37,835 INFO L78 Accepts]: Start accepts. Automaton has 1276 states and 1748 transitions. Word has length 24 [2025-02-06 10:37:37,835 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-02-06 10:37:37,835 INFO L471 AbstractCegarLoop]: Abstraction has 1276 states and 1748 transitions. [2025-02-06 10:37:37,835 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 6.5) internal successors, (13), 3 states have internal predecessors, (13), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2025-02-06 10:37:37,835 INFO L276 IsEmpty]: Start isEmpty. Operand 1276 states and 1748 transitions. [2025-02-06 10:37:37,836 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2025-02-06 10:37:37,836 INFO L210 NwaCegarLoop]: Found error trace [2025-02-06 10:37:37,836 INFO L218 NwaCegarLoop]: trace histogram [4, 4, 4, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-02-06 10:37:37,836 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2025-02-06 10:37:37,836 INFO L396 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr162REQUIRES_VIOLATIONMEMORY_DEREFERENCE === [spin_lock_initErr0REQUIRES_VIOLATIONMEMORY_DEREFERENCE, spin_lock_initErr1REQUIRES_VIOLATIONMEMORY_DEREFERENCE, spin_lock_initErr2REQUIRES_VIOLATIONMEMORY_DEREFERENCE (and 202 more)] === [2025-02-06 10:37:37,836 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-06 10:37:37,836 INFO L85 PathProgramCache]: Analyzing trace with hash 1775123446, now seen corresponding path program 1 times [2025-02-06 10:37:37,836 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-06 10:37:37,836 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1001177561] [2025-02-06 10:37:37,837 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-06 10:37:37,837 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-06 10:37:39,496 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 24 statements into 1 equivalence classes. [2025-02-06 10:37:39,534 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 24 of 24 statements. [2025-02-06 10:37:39,534 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-06 10:37:39,534 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-06 10:37:39,855 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 0 proven. 22 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-02-06 10:37:39,856 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-06 10:37:39,856 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1001177561] [2025-02-06 10:37:39,856 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1001177561] provided 0 perfect and 1 imperfect interpolant sequences [2025-02-06 10:37:39,856 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [136675248] [2025-02-06 10:37:39,856 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-06 10:37:39,856 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-02-06 10:37:39,856 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-06 10:37:39,859 INFO L229 MonitoredProcess]: Starting monitored process 3 with /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-02-06 10:37:39,859 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2025-02-06 10:37:41,830 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 24 statements into 1 equivalence classes. [2025-02-06 10:37:42,306 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 24 of 24 statements. [2025-02-06 10:37:42,307 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-06 10:37:42,307 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-06 10:37:42,325 INFO L256 TraceCheckSpWp]: Trace formula consists of 5674 conjuncts, 6 conjuncts are in the unsatisfiable core [2025-02-06 10:37:42,329 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-02-06 10:37:42,357 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 0 proven. 22 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-02-06 10:37:42,357 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-02-06 10:37:42,427 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 0 proven. 22 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-02-06 10:37:42,428 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [136675248] provided 0 perfect and 2 imperfect interpolant sequences [2025-02-06 10:37:42,428 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2025-02-06 10:37:42,428 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 7, 7] total 13 [2025-02-06 10:37:42,428 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [155440796] [2025-02-06 10:37:42,428 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2025-02-06 10:37:42,428 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2025-02-06 10:37:42,428 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-06 10:37:42,429 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2025-02-06 10:37:42,429 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=78, Invalid=78, Unknown=0, NotChecked=0, Total=156 [2025-02-06 10:37:42,429 INFO L87 Difference]: Start difference. First operand 1276 states and 1748 transitions. Second operand has 13 states, 13 states have (on average 3.076923076923077) internal successors, (40), 13 states have internal predecessors, (40), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2025-02-06 10:37:42,562 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-02-06 10:37:42,563 INFO L93 Difference]: Finished difference Result 1294 states and 1766 transitions. [2025-02-06 10:37:42,564 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2025-02-06 10:37:42,564 INFO L78 Accepts]: Start accepts. Automaton has has 13 states, 13 states have (on average 3.076923076923077) internal successors, (40), 13 states have internal predecessors, (40), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 24 [2025-02-06 10:37:42,564 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-02-06 10:37:42,567 INFO L225 Difference]: With dead ends: 1294 [2025-02-06 10:37:42,568 INFO L226 Difference]: Without dead ends: 1294 [2025-02-06 10:37:42,568 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 53 GetRequests, 42 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 16 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=78, Invalid=78, Unknown=0, NotChecked=0, Total=156 [2025-02-06 10:37:42,569 INFO L435 NwaCegarLoop]: 812 mSDtfsCounter, 13 mSDsluCounter, 3232 mSDsCounter, 0 mSdLazyCounter, 143 mSolverCounterSat, 8 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 13 SdHoareTripleChecker+Valid, 4044 SdHoareTripleChecker+Invalid, 151 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 8 IncrementalHoareTripleChecker+Valid, 143 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2025-02-06 10:37:42,569 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [13 Valid, 4044 Invalid, 151 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [8 Valid, 143 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2025-02-06 10:37:42,571 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1294 states. [2025-02-06 10:37:42,585 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1294 to 1294. [2025-02-06 10:37:42,587 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1294 states, 830 states have (on average 1.6843373493975904) internal successors, (1398), 1051 states have internal predecessors, (1398), 184 states have call successors, (184), 79 states have call predecessors, (184), 79 states have return successors, (184), 176 states have call predecessors, (184), 184 states have call successors, (184) [2025-02-06 10:37:42,590 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1294 states to 1294 states and 1766 transitions. [2025-02-06 10:37:42,590 INFO L78 Accepts]: Start accepts. Automaton has 1294 states and 1766 transitions. Word has length 24 [2025-02-06 10:37:42,591 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-02-06 10:37:42,591 INFO L471 AbstractCegarLoop]: Abstraction has 1294 states and 1766 transitions. [2025-02-06 10:37:42,591 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 13 states have (on average 3.076923076923077) internal successors, (40), 13 states have internal predecessors, (40), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2025-02-06 10:37:42,591 INFO L276 IsEmpty]: Start isEmpty. Operand 1294 states and 1766 transitions. [2025-02-06 10:37:42,592 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 43 [2025-02-06 10:37:42,592 INFO L210 NwaCegarLoop]: Found error trace [2025-02-06 10:37:42,592 INFO L218 NwaCegarLoop]: trace histogram [10, 10, 10, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-02-06 10:37:42,607 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0 [2025-02-06 10:37:42,792 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6,3 /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-02-06 10:37:42,793 INFO L396 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr162REQUIRES_VIOLATIONMEMORY_DEREFERENCE === [spin_lock_initErr0REQUIRES_VIOLATIONMEMORY_DEREFERENCE, spin_lock_initErr1REQUIRES_VIOLATIONMEMORY_DEREFERENCE, spin_lock_initErr2REQUIRES_VIOLATIONMEMORY_DEREFERENCE (and 202 more)] === [2025-02-06 10:37:42,793 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-06 10:37:42,793 INFO L85 PathProgramCache]: Analyzing trace with hash -2109337546, now seen corresponding path program 2 times [2025-02-06 10:37:42,793 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-06 10:37:42,794 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [144071441] [2025-02-06 10:37:42,794 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2025-02-06 10:37:42,794 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-06 10:37:44,456 INFO L108 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 partitioned 42 statements into 2 equivalence classes. [2025-02-06 10:37:44,488 INFO L111 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s) and asserted 12 of 42 statements. [2025-02-06 10:37:44,489 INFO L114 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s) [2025-02-06 10:37:44,489 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-06 10:37:44,970 INFO L134 CoverageAnalysis]: Checked inductivity of 145 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 145 trivial. 0 not checked. [2025-02-06 10:37:44,970 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-06 10:37:44,970 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [144071441] [2025-02-06 10:37:44,970 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [144071441] provided 1 perfect and 0 imperfect interpolant sequences [2025-02-06 10:37:44,970 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-02-06 10:37:44,970 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2025-02-06 10:37:44,971 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [408482711] [2025-02-06 10:37:44,971 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-02-06 10:37:44,971 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2025-02-06 10:37:44,971 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-06 10:37:44,972 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2025-02-06 10:37:44,972 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2025-02-06 10:37:44,972 INFO L87 Difference]: Start difference. First operand 1294 states and 1766 transitions. Second operand has 4 states, 3 states have (on average 4.333333333333333) internal successors, (13), 4 states have internal predecessors, (13), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2025-02-06 10:37:47,320 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.35s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2025-02-06 10:37:47,781 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-02-06 10:37:47,781 INFO L93 Difference]: Finished difference Result 1350 states and 1778 transitions. [2025-02-06 10:37:47,781 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-02-06 10:37:47,781 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 4.333333333333333) internal successors, (13), 4 states have internal predecessors, (13), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 42 [2025-02-06 10:37:47,782 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-02-06 10:37:47,785 INFO L225 Difference]: With dead ends: 1350 [2025-02-06 10:37:47,785 INFO L226 Difference]: Without dead ends: 1350 [2025-02-06 10:37:47,787 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2025-02-06 10:37:47,787 INFO L435 NwaCegarLoop]: 867 mSDtfsCounter, 255 mSDsluCounter, 705 mSDsCounter, 0 mSdLazyCounter, 439 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 255 SdHoareTripleChecker+Valid, 1572 SdHoareTripleChecker+Invalid, 441 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 439 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.8s IncrementalHoareTripleChecker+Time [2025-02-06 10:37:47,788 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [255 Valid, 1572 Invalid, 441 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 439 Invalid, 0 Unknown, 0 Unchecked, 2.8s Time] [2025-02-06 10:37:47,789 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1350 states. [2025-02-06 10:37:47,801 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1350 to 1292. [2025-02-06 10:37:47,802 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1292 states, 830 states have (on average 1.6819277108433734) internal successors, (1396), 1049 states have internal predecessors, (1396), 184 states have call successors, (184), 79 states have call predecessors, (184), 79 states have return successors, (184), 176 states have call predecessors, (184), 184 states have call successors, (184) [2025-02-06 10:37:47,805 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1292 states to 1292 states and 1764 transitions. [2025-02-06 10:37:47,805 INFO L78 Accepts]: Start accepts. Automaton has 1292 states and 1764 transitions. Word has length 42 [2025-02-06 10:37:47,806 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-02-06 10:37:47,806 INFO L471 AbstractCegarLoop]: Abstraction has 1292 states and 1764 transitions. [2025-02-06 10:37:47,806 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 4.333333333333333) internal successors, (13), 4 states have internal predecessors, (13), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2025-02-06 10:37:47,807 INFO L276 IsEmpty]: Start isEmpty. Operand 1292 states and 1764 transitions. [2025-02-06 10:37:47,807 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 67 [2025-02-06 10:37:47,808 INFO L210 NwaCegarLoop]: Found error trace [2025-02-06 10:37:47,808 INFO L218 NwaCegarLoop]: trace histogram [10, 10, 10, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-02-06 10:37:47,808 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2025-02-06 10:37:47,809 INFO L396 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr157REQUIRES_VIOLATIONMEMORY_DEREFERENCE === [spin_lock_initErr0REQUIRES_VIOLATIONMEMORY_DEREFERENCE, spin_lock_initErr1REQUIRES_VIOLATIONMEMORY_DEREFERENCE, spin_lock_initErr2REQUIRES_VIOLATIONMEMORY_DEREFERENCE (and 202 more)] === [2025-02-06 10:37:47,809 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-06 10:37:47,809 INFO L85 PathProgramCache]: Analyzing trace with hash -191873309, now seen corresponding path program 1 times [2025-02-06 10:37:47,809 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-06 10:37:47,809 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [882831632] [2025-02-06 10:37:47,809 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-06 10:37:47,809 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-06 10:37:49,466 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 66 statements into 1 equivalence classes. [2025-02-06 10:37:49,499 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 66 of 66 statements. [2025-02-06 10:37:49,500 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-06 10:37:49,500 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-06 10:37:49,846 INFO L134 CoverageAnalysis]: Checked inductivity of 146 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 146 trivial. 0 not checked. [2025-02-06 10:37:49,847 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-06 10:37:49,847 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [882831632] [2025-02-06 10:37:49,847 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [882831632] provided 1 perfect and 0 imperfect interpolant sequences [2025-02-06 10:37:49,847 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-02-06 10:37:49,847 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2025-02-06 10:37:49,847 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2091074746] [2025-02-06 10:37:49,847 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-02-06 10:37:49,848 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2025-02-06 10:37:49,849 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-06 10:37:49,849 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2025-02-06 10:37:49,850 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-02-06 10:37:49,850 INFO L87 Difference]: Start difference. First operand 1292 states and 1764 transitions. Second operand has 3 states, 3 states have (on average 10.333333333333334) internal successors, (31), 3 states have internal predecessors, (31), 2 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 2 states have call predecessors, (4), 2 states have call successors, (4) [2025-02-06 10:37:49,876 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-02-06 10:37:49,876 INFO L93 Difference]: Finished difference Result 1291 states and 1761 transitions. [2025-02-06 10:37:49,877 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-02-06 10:37:49,877 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 10.333333333333334) internal successors, (31), 3 states have internal predecessors, (31), 2 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 2 states have call predecessors, (4), 2 states have call successors, (4) Word has length 66 [2025-02-06 10:37:49,877 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-02-06 10:37:49,880 INFO L225 Difference]: With dead ends: 1291 [2025-02-06 10:37:49,880 INFO L226 Difference]: Without dead ends: 1291 [2025-02-06 10:37:49,880 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-02-06 10:37:49,881 INFO L435 NwaCegarLoop]: 815 mSDtfsCounter, 814 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 18 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 814 SdHoareTripleChecker+Valid, 815 SdHoareTripleChecker+Invalid, 19 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 18 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2025-02-06 10:37:49,881 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [814 Valid, 815 Invalid, 19 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 18 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2025-02-06 10:37:49,882 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1291 states. [2025-02-06 10:37:49,893 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1291 to 1291. [2025-02-06 10:37:49,895 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1291 states, 829 states have (on average 1.6803377563329311) internal successors, (1393), 1048 states have internal predecessors, (1393), 184 states have call successors, (184), 79 states have call predecessors, (184), 79 states have return successors, (184), 176 states have call predecessors, (184), 184 states have call successors, (184) [2025-02-06 10:37:49,897 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1291 states to 1291 states and 1761 transitions. [2025-02-06 10:37:49,898 INFO L78 Accepts]: Start accepts. Automaton has 1291 states and 1761 transitions. Word has length 66 [2025-02-06 10:37:49,898 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-02-06 10:37:49,898 INFO L471 AbstractCegarLoop]: Abstraction has 1291 states and 1761 transitions. [2025-02-06 10:37:49,898 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 10.333333333333334) internal successors, (31), 3 states have internal predecessors, (31), 2 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 2 states have call predecessors, (4), 2 states have call successors, (4) [2025-02-06 10:37:49,898 INFO L276 IsEmpty]: Start isEmpty. Operand 1291 states and 1761 transitions. [2025-02-06 10:37:49,900 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 69 [2025-02-06 10:37:49,900 INFO L210 NwaCegarLoop]: Found error trace [2025-02-06 10:37:49,900 INFO L218 NwaCegarLoop]: trace histogram [10, 10, 10, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-02-06 10:37:49,900 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2025-02-06 10:37:49,900 INFO L396 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr157REQUIRES_VIOLATIONMEMORY_DEREFERENCE === [spin_lock_initErr0REQUIRES_VIOLATIONMEMORY_DEREFERENCE, spin_lock_initErr1REQUIRES_VIOLATIONMEMORY_DEREFERENCE, spin_lock_initErr2REQUIRES_VIOLATIONMEMORY_DEREFERENCE (and 202 more)] === [2025-02-06 10:37:49,901 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-06 10:37:49,901 INFO L85 PathProgramCache]: Analyzing trace with hash 294358723, now seen corresponding path program 1 times [2025-02-06 10:37:49,901 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-06 10:37:49,901 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [877164760] [2025-02-06 10:37:49,901 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-06 10:37:49,901 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-06 10:37:51,572 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 68 statements into 1 equivalence classes. [2025-02-06 10:37:51,610 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 68 of 68 statements. [2025-02-06 10:37:51,610 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-06 10:37:51,610 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-06 10:37:52,036 INFO L134 CoverageAnalysis]: Checked inductivity of 146 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 146 trivial. 0 not checked. [2025-02-06 10:37:52,036 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-06 10:37:52,036 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [877164760] [2025-02-06 10:37:52,036 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [877164760] provided 1 perfect and 0 imperfect interpolant sequences [2025-02-06 10:37:52,037 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-02-06 10:37:52,037 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2025-02-06 10:37:52,037 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1326734301] [2025-02-06 10:37:52,037 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-02-06 10:37:52,037 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2025-02-06 10:37:52,037 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-06 10:37:52,037 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2025-02-06 10:37:52,037 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-02-06 10:37:52,038 INFO L87 Difference]: Start difference. First operand 1291 states and 1761 transitions. Second operand has 3 states, 2 states have (on average 16.5) internal successors, (33), 3 states have internal predecessors, (33), 1 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 1 states have call predecessors, (4), 1 states have call successors, (4) [2025-02-06 10:37:54,548 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.51s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2025-02-06 10:37:54,802 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-02-06 10:37:54,802 INFO L93 Difference]: Finished difference Result 1290 states and 1760 transitions. [2025-02-06 10:37:54,802 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-02-06 10:37:54,802 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 16.5) internal successors, (33), 3 states have internal predecessors, (33), 1 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 1 states have call predecessors, (4), 1 states have call successors, (4) Word has length 68 [2025-02-06 10:37:54,803 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-02-06 10:37:54,806 INFO L225 Difference]: With dead ends: 1290 [2025-02-06 10:37:54,806 INFO L226 Difference]: Without dead ends: 1290 [2025-02-06 10:37:54,806 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-02-06 10:37:54,806 INFO L435 NwaCegarLoop]: 814 mSDtfsCounter, 1 mSDsluCounter, 606 mSDsCounter, 0 mSdLazyCounter, 241 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2 SdHoareTripleChecker+Valid, 1420 SdHoareTripleChecker+Invalid, 241 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 241 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.7s IncrementalHoareTripleChecker+Time [2025-02-06 10:37:54,807 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [2 Valid, 1420 Invalid, 241 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 241 Invalid, 0 Unknown, 0 Unchecked, 2.7s Time] [2025-02-06 10:37:54,808 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1290 states. [2025-02-06 10:37:54,819 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1290 to 1290. [2025-02-06 10:37:54,820 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1290 states, 829 states have (on average 1.6791314837153197) internal successors, (1392), 1047 states have internal predecessors, (1392), 184 states have call successors, (184), 79 states have call predecessors, (184), 79 states have return successors, (184), 176 states have call predecessors, (184), 184 states have call successors, (184) [2025-02-06 10:37:54,823 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1290 states to 1290 states and 1760 transitions. [2025-02-06 10:37:54,823 INFO L78 Accepts]: Start accepts. Automaton has 1290 states and 1760 transitions. Word has length 68 [2025-02-06 10:37:54,823 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-02-06 10:37:54,823 INFO L471 AbstractCegarLoop]: Abstraction has 1290 states and 1760 transitions. [2025-02-06 10:37:54,823 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 16.5) internal successors, (33), 3 states have internal predecessors, (33), 1 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 1 states have call predecessors, (4), 1 states have call successors, (4) [2025-02-06 10:37:54,823 INFO L276 IsEmpty]: Start isEmpty. Operand 1290 states and 1760 transitions. [2025-02-06 10:37:54,824 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 69 [2025-02-06 10:37:54,824 INFO L210 NwaCegarLoop]: Found error trace [2025-02-06 10:37:54,824 INFO L218 NwaCegarLoop]: trace histogram [10, 10, 10, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-02-06 10:37:54,824 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2025-02-06 10:37:54,824 INFO L396 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr158REQUIRES_VIOLATIONMEMORY_DEREFERENCE === [spin_lock_initErr0REQUIRES_VIOLATIONMEMORY_DEREFERENCE, spin_lock_initErr1REQUIRES_VIOLATIONMEMORY_DEREFERENCE, spin_lock_initErr2REQUIRES_VIOLATIONMEMORY_DEREFERENCE (and 202 more)] === [2025-02-06 10:37:54,825 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-06 10:37:54,825 INFO L85 PathProgramCache]: Analyzing trace with hash 294358724, now seen corresponding path program 1 times [2025-02-06 10:37:54,825 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-06 10:37:54,825 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [294279725] [2025-02-06 10:37:54,825 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-06 10:37:54,825 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-06 10:37:56,592 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 68 statements into 1 equivalence classes. [2025-02-06 10:37:56,655 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 68 of 68 statements. [2025-02-06 10:37:56,655 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-06 10:37:56,655 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-06 10:37:57,218 INFO L134 CoverageAnalysis]: Checked inductivity of 146 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 146 trivial. 0 not checked. [2025-02-06 10:37:57,218 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-06 10:37:57,218 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [294279725] [2025-02-06 10:37:57,218 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [294279725] provided 1 perfect and 0 imperfect interpolant sequences [2025-02-06 10:37:57,218 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-02-06 10:37:57,218 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2025-02-06 10:37:57,218 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1015029322] [2025-02-06 10:37:57,218 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-02-06 10:37:57,218 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2025-02-06 10:37:57,218 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-06 10:37:57,218 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2025-02-06 10:37:57,218 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2025-02-06 10:37:57,219 INFO L87 Difference]: Start difference. First operand 1290 states and 1760 transitions. Second operand has 4 states, 3 states have (on average 11.0) internal successors, (33), 4 states have internal predecessors, (33), 2 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 2 states have call predecessors, (4), 2 states have call successors, (4) [2025-02-06 10:37:58,945 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.72s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2025-02-06 10:37:59,208 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-02-06 10:37:59,208 INFO L93 Difference]: Finished difference Result 1289 states and 1759 transitions. [2025-02-06 10:37:59,208 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-02-06 10:37:59,208 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 11.0) internal successors, (33), 4 states have internal predecessors, (33), 2 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 2 states have call predecessors, (4), 2 states have call successors, (4) Word has length 68 [2025-02-06 10:37:59,208 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-02-06 10:37:59,211 INFO L225 Difference]: With dead ends: 1289 [2025-02-06 10:37:59,211 INFO L226 Difference]: Without dead ends: 1289 [2025-02-06 10:37:59,212 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2025-02-06 10:37:59,212 INFO L435 NwaCegarLoop]: 812 mSDtfsCounter, 809 mSDsluCounter, 611 mSDsCounter, 0 mSdLazyCounter, 238 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 809 SdHoareTripleChecker+Valid, 1423 SdHoareTripleChecker+Invalid, 238 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 238 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.0s IncrementalHoareTripleChecker+Time [2025-02-06 10:37:59,212 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [809 Valid, 1423 Invalid, 238 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 238 Invalid, 0 Unknown, 0 Unchecked, 2.0s Time] [2025-02-06 10:37:59,214 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1289 states. [2025-02-06 10:37:59,225 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1289 to 1289. [2025-02-06 10:37:59,226 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1289 states, 829 states have (on average 1.677925211097708) internal successors, (1391), 1046 states have internal predecessors, (1391), 184 states have call successors, (184), 79 states have call predecessors, (184), 79 states have return successors, (184), 176 states have call predecessors, (184), 184 states have call successors, (184) [2025-02-06 10:37:59,229 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1289 states to 1289 states and 1759 transitions. [2025-02-06 10:37:59,229 INFO L78 Accepts]: Start accepts. Automaton has 1289 states and 1759 transitions. Word has length 68 [2025-02-06 10:37:59,229 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-02-06 10:37:59,229 INFO L471 AbstractCegarLoop]: Abstraction has 1289 states and 1759 transitions. [2025-02-06 10:37:59,229 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 11.0) internal successors, (33), 4 states have internal predecessors, (33), 2 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 2 states have call predecessors, (4), 2 states have call successors, (4) [2025-02-06 10:37:59,229 INFO L276 IsEmpty]: Start isEmpty. Operand 1289 states and 1759 transitions. [2025-02-06 10:37:59,231 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 74 [2025-02-06 10:37:59,231 INFO L210 NwaCegarLoop]: Found error trace [2025-02-06 10:37:59,231 INFO L218 NwaCegarLoop]: trace histogram [10, 10, 10, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-02-06 10:37:59,231 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2025-02-06 10:37:59,231 INFO L396 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK === [spin_lock_initErr0REQUIRES_VIOLATIONMEMORY_DEREFERENCE, spin_lock_initErr1REQUIRES_VIOLATIONMEMORY_DEREFERENCE, spin_lock_initErr2REQUIRES_VIOLATIONMEMORY_DEREFERENCE (and 202 more)] === [2025-02-06 10:37:59,232 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-06 10:37:59,232 INFO L85 PathProgramCache]: Analyzing trace with hash 95286464, now seen corresponding path program 1 times [2025-02-06 10:37:59,232 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-06 10:37:59,232 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2146177828] [2025-02-06 10:37:59,232 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-06 10:37:59,232 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-06 10:38:00,972 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 73 statements into 1 equivalence classes. [2025-02-06 10:38:01,010 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 73 of 73 statements. [2025-02-06 10:38:01,010 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-06 10:38:01,010 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-06 10:38:01,139 INFO L134 CoverageAnalysis]: Checked inductivity of 149 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 149 trivial. 0 not checked. [2025-02-06 10:38:01,139 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-06 10:38:01,139 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2146177828] [2025-02-06 10:38:01,140 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2146177828] provided 1 perfect and 0 imperfect interpolant sequences [2025-02-06 10:38:01,140 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-02-06 10:38:01,140 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2025-02-06 10:38:01,140 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [635350450] [2025-02-06 10:38:01,140 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-02-06 10:38:01,141 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2025-02-06 10:38:01,141 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-06 10:38:01,141 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2025-02-06 10:38:01,141 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-02-06 10:38:01,141 INFO L87 Difference]: Start difference. First operand 1289 states and 1759 transitions. Second operand has 3 states, 2 states have (on average 17.0) internal successors, (34), 3 states have internal predecessors, (34), 2 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) [2025-02-06 10:38:02,759 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.62s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2025-02-06 10:38:03,034 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-02-06 10:38:03,034 INFO L93 Difference]: Finished difference Result 1330 states and 1768 transitions. [2025-02-06 10:38:03,035 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-02-06 10:38:03,035 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 17.0) internal successors, (34), 3 states have internal predecessors, (34), 2 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) Word has length 73 [2025-02-06 10:38:03,035 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-02-06 10:38:03,038 INFO L225 Difference]: With dead ends: 1330 [2025-02-06 10:38:03,038 INFO L226 Difference]: Without dead ends: 1318 [2025-02-06 10:38:03,038 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-02-06 10:38:03,039 INFO L435 NwaCegarLoop]: 799 mSDtfsCounter, 95 mSDsluCounter, 579 mSDsCounter, 0 mSdLazyCounter, 285 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 104 SdHoareTripleChecker+Valid, 1378 SdHoareTripleChecker+Invalid, 285 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 285 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.9s IncrementalHoareTripleChecker+Time [2025-02-06 10:38:03,039 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [104 Valid, 1378 Invalid, 285 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 285 Invalid, 0 Unknown, 0 Unchecked, 1.9s Time] [2025-02-06 10:38:03,040 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1318 states. [2025-02-06 10:38:03,052 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1318 to 1285. [2025-02-06 10:38:03,054 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1285 states, 827 states have (on average 1.6783555018137848) internal successors, (1388), 1044 states have internal predecessors, (1388), 183 states have call successors, (183), 79 states have call predecessors, (183), 78 states have return successors, (181), 174 states have call predecessors, (181), 181 states have call successors, (181) [2025-02-06 10:38:03,056 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1285 states to 1285 states and 1752 transitions. [2025-02-06 10:38:03,056 INFO L78 Accepts]: Start accepts. Automaton has 1285 states and 1752 transitions. Word has length 73 [2025-02-06 10:38:03,056 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-02-06 10:38:03,056 INFO L471 AbstractCegarLoop]: Abstraction has 1285 states and 1752 transitions. [2025-02-06 10:38:03,056 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 17.0) internal successors, (34), 3 states have internal predecessors, (34), 2 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) [2025-02-06 10:38:03,056 INFO L276 IsEmpty]: Start isEmpty. Operand 1285 states and 1752 transitions. [2025-02-06 10:38:03,057 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 78 [2025-02-06 10:38:03,057 INFO L210 NwaCegarLoop]: Found error trace [2025-02-06 10:38:03,057 INFO L218 NwaCegarLoop]: trace histogram [10, 10, 10, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-02-06 10:38:03,057 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2025-02-06 10:38:03,057 INFO L396 AbstractCegarLoop]: === Iteration 13 === Targeting spin_lock_initErr2REQUIRES_VIOLATIONMEMORY_DEREFERENCE === [spin_lock_initErr0REQUIRES_VIOLATIONMEMORY_DEREFERENCE, spin_lock_initErr1REQUIRES_VIOLATIONMEMORY_DEREFERENCE, spin_lock_initErr2REQUIRES_VIOLATIONMEMORY_DEREFERENCE (and 202 more)] === [2025-02-06 10:38:03,057 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-06 10:38:03,057 INFO L85 PathProgramCache]: Analyzing trace with hash -661748068, now seen corresponding path program 1 times [2025-02-06 10:38:03,057 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-06 10:38:03,058 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [43305799] [2025-02-06 10:38:03,058 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-06 10:38:03,058 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-06 10:38:04,729 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 77 statements into 1 equivalence classes. [2025-02-06 10:38:04,769 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 77 of 77 statements. [2025-02-06 10:38:04,769 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-06 10:38:04,769 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-06 10:38:05,596 INFO L134 CoverageAnalysis]: Checked inductivity of 151 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 149 trivial. 0 not checked. [2025-02-06 10:38:05,596 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-06 10:38:05,597 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [43305799] [2025-02-06 10:38:05,597 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [43305799] provided 1 perfect and 0 imperfect interpolant sequences [2025-02-06 10:38:05,597 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-02-06 10:38:05,597 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2025-02-06 10:38:05,597 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [515921560] [2025-02-06 10:38:05,597 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-02-06 10:38:05,597 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2025-02-06 10:38:05,597 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-06 10:38:05,597 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2025-02-06 10:38:05,597 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2025-02-06 10:38:05,597 INFO L87 Difference]: Start difference. First operand 1285 states and 1752 transitions. Second operand has 7 states, 6 states have (on average 6.166666666666667) internal successors, (37), 6 states have internal predecessors, (37), 4 states have call successors, (6), 2 states have call predecessors, (6), 1 states have return successors, (5), 3 states have call predecessors, (5), 3 states have call successors, (5) [2025-02-06 10:38:08,144 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.54s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2025-02-06 10:38:09,165 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.02s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2025-02-06 10:38:11,925 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.76s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2025-02-06 10:38:13,095 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-02-06 10:38:13,095 INFO L93 Difference]: Finished difference Result 1843 states and 2426 transitions. [2025-02-06 10:38:13,096 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2025-02-06 10:38:13,096 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 6 states have (on average 6.166666666666667) internal successors, (37), 6 states have internal predecessors, (37), 4 states have call successors, (6), 2 states have call predecessors, (6), 1 states have return successors, (5), 3 states have call predecessors, (5), 3 states have call successors, (5) Word has length 77 [2025-02-06 10:38:13,096 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-02-06 10:38:13,101 INFO L225 Difference]: With dead ends: 1843 [2025-02-06 10:38:13,101 INFO L226 Difference]: Without dead ends: 1843 [2025-02-06 10:38:13,101 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 7 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=32, Invalid=58, Unknown=0, NotChecked=0, Total=90 [2025-02-06 10:38:13,102 INFO L435 NwaCegarLoop]: 684 mSDtfsCounter, 802 mSDsluCounter, 2459 mSDsCounter, 0 mSdLazyCounter, 1774 mSolverCounterSat, 8 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 7.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 803 SdHoareTripleChecker+Valid, 3143 SdHoareTripleChecker+Invalid, 1782 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 8 IncrementalHoareTripleChecker+Valid, 1774 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 7.4s IncrementalHoareTripleChecker+Time [2025-02-06 10:38:13,102 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [803 Valid, 3143 Invalid, 1782 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [8 Valid, 1774 Invalid, 0 Unknown, 0 Unchecked, 7.4s Time] [2025-02-06 10:38:13,103 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1843 states. [2025-02-06 10:38:13,123 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1843 to 1620. [2025-02-06 10:38:13,125 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1620 states, 1083 states have (on average 1.7026777469990766) internal successors, (1844), 1311 states have internal predecessors, (1844), 241 states have call successors, (241), 101 states have call predecessors, (241), 100 states have return successors, (239), 225 states have call predecessors, (239), 239 states have call successors, (239) [2025-02-06 10:38:13,129 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1620 states to 1620 states and 2324 transitions. [2025-02-06 10:38:13,130 INFO L78 Accepts]: Start accepts. Automaton has 1620 states and 2324 transitions. Word has length 77 [2025-02-06 10:38:13,130 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-02-06 10:38:13,130 INFO L471 AbstractCegarLoop]: Abstraction has 1620 states and 2324 transitions. [2025-02-06 10:38:13,130 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 6 states have (on average 6.166666666666667) internal successors, (37), 6 states have internal predecessors, (37), 4 states have call successors, (6), 2 states have call predecessors, (6), 1 states have return successors, (5), 3 states have call predecessors, (5), 3 states have call successors, (5) [2025-02-06 10:38:13,130 INFO L276 IsEmpty]: Start isEmpty. Operand 1620 states and 2324 transitions. [2025-02-06 10:38:13,131 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 78 [2025-02-06 10:38:13,131 INFO L210 NwaCegarLoop]: Found error trace [2025-02-06 10:38:13,131 INFO L218 NwaCegarLoop]: trace histogram [10, 10, 10, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-02-06 10:38:13,131 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2025-02-06 10:38:13,131 INFO L396 AbstractCegarLoop]: === Iteration 14 === Targeting spin_lock_initErr3REQUIRES_VIOLATIONMEMORY_DEREFERENCE === [spin_lock_initErr0REQUIRES_VIOLATIONMEMORY_DEREFERENCE, spin_lock_initErr1REQUIRES_VIOLATIONMEMORY_DEREFERENCE, spin_lock_initErr2REQUIRES_VIOLATIONMEMORY_DEREFERENCE (and 202 more)] === [2025-02-06 10:38:13,131 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-06 10:38:13,131 INFO L85 PathProgramCache]: Analyzing trace with hash -661748067, now seen corresponding path program 1 times [2025-02-06 10:38:13,131 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-06 10:38:13,132 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [548855297] [2025-02-06 10:38:13,132 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-06 10:38:13,132 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-06 10:38:14,789 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 77 statements into 1 equivalence classes. [2025-02-06 10:38:14,835 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 77 of 77 statements. [2025-02-06 10:38:14,835 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-06 10:38:14,835 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-06 10:38:15,827 INFO L134 CoverageAnalysis]: Checked inductivity of 151 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 149 trivial. 0 not checked. [2025-02-06 10:38:15,827 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-06 10:38:15,827 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [548855297] [2025-02-06 10:38:15,827 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [548855297] provided 1 perfect and 0 imperfect interpolant sequences [2025-02-06 10:38:15,827 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-02-06 10:38:15,827 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2025-02-06 10:38:15,827 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [16964077] [2025-02-06 10:38:15,827 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-02-06 10:38:15,827 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2025-02-06 10:38:15,827 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-06 10:38:15,828 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2025-02-06 10:38:15,830 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2025-02-06 10:38:15,830 INFO L87 Difference]: Start difference. First operand 1620 states and 2324 transitions. Second operand has 7 states, 6 states have (on average 6.166666666666667) internal successors, (37), 6 states have internal predecessors, (37), 4 states have call successors, (6), 2 states have call predecessors, (6), 1 states have return successors, (5), 3 states have call predecessors, (5), 3 states have call successors, (5) [2025-02-06 10:38:16,916 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.08s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2025-02-06 10:38:18,447 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.53s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2025-02-06 10:38:20,630 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.18s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2025-02-06 10:38:22,347 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-02-06 10:38:22,348 INFO L93 Difference]: Finished difference Result 2050 states and 2659 transitions. [2025-02-06 10:38:22,348 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2025-02-06 10:38:22,348 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 6 states have (on average 6.166666666666667) internal successors, (37), 6 states have internal predecessors, (37), 4 states have call successors, (6), 2 states have call predecessors, (6), 1 states have return successors, (5), 3 states have call predecessors, (5), 3 states have call successors, (5) Word has length 77 [2025-02-06 10:38:22,349 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-02-06 10:38:22,354 INFO L225 Difference]: With dead ends: 2050 [2025-02-06 10:38:22,354 INFO L226 Difference]: Without dead ends: 2050 [2025-02-06 10:38:22,354 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=30, Invalid=60, Unknown=0, NotChecked=0, Total=90 [2025-02-06 10:38:22,355 INFO L435 NwaCegarLoop]: 574 mSDtfsCounter, 1037 mSDsluCounter, 2054 mSDsCounter, 0 mSdLazyCounter, 2455 mSolverCounterSat, 7 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 6.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1038 SdHoareTripleChecker+Valid, 2628 SdHoareTripleChecker+Invalid, 2462 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 2455 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 6.4s IncrementalHoareTripleChecker+Time [2025-02-06 10:38:22,355 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [1038 Valid, 2628 Invalid, 2462 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 2455 Invalid, 0 Unknown, 0 Unchecked, 6.4s Time] [2025-02-06 10:38:22,356 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2050 states. [2025-02-06 10:38:22,375 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2050 to 1804. [2025-02-06 10:38:22,377 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1804 states, 1225 states have (on average 1.7118367346938776) internal successors, (2097), 1449 states have internal predecessors, (2097), 268 states have call successors, (268), 116 states have call predecessors, (268), 115 states have return successors, (266), 257 states have call predecessors, (266), 266 states have call successors, (266) [2025-02-06 10:38:22,381 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1804 states to 1804 states and 2631 transitions. [2025-02-06 10:38:22,381 INFO L78 Accepts]: Start accepts. Automaton has 1804 states and 2631 transitions. Word has length 77 [2025-02-06 10:38:22,381 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-02-06 10:38:22,381 INFO L471 AbstractCegarLoop]: Abstraction has 1804 states and 2631 transitions. [2025-02-06 10:38:22,382 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 6 states have (on average 6.166666666666667) internal successors, (37), 6 states have internal predecessors, (37), 4 states have call successors, (6), 2 states have call predecessors, (6), 1 states have return successors, (5), 3 states have call predecessors, (5), 3 states have call successors, (5) [2025-02-06 10:38:22,382 INFO L276 IsEmpty]: Start isEmpty. Operand 1804 states and 2631 transitions. [2025-02-06 10:38:22,383 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 81 [2025-02-06 10:38:22,384 INFO L210 NwaCegarLoop]: Found error trace [2025-02-06 10:38:22,384 INFO L218 NwaCegarLoop]: trace histogram [10, 10, 10, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-02-06 10:38:22,384 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2025-02-06 10:38:22,384 INFO L396 AbstractCegarLoop]: === Iteration 15 === Targeting ULTIMATE.startErr49REQUIRES_VIOLATIONMEMORY_DEREFERENCE === [spin_lock_initErr0REQUIRES_VIOLATIONMEMORY_DEREFERENCE, spin_lock_initErr1REQUIRES_VIOLATIONMEMORY_DEREFERENCE, spin_lock_initErr2REQUIRES_VIOLATIONMEMORY_DEREFERENCE (and 202 more)] === [2025-02-06 10:38:22,385 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-06 10:38:22,385 INFO L85 PathProgramCache]: Analyzing trace with hash -649358766, now seen corresponding path program 1 times [2025-02-06 10:38:22,385 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-06 10:38:22,385 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1776218170] [2025-02-06 10:38:22,385 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-06 10:38:22,385 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms