./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/ldv-consumption/32_7a_cilled_linux-3.8-rc1-drivers--block--paride--pg.ko-main.cil.out.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 551b0097 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/AutomizerReach.xml -i ../sv-benchmarks/c/ldv-consumption/32_7a_cilled_linux-3.8-rc1-drivers--block--paride--pg.ko-main.cil.out.i -s /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-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 ! call(reach_error())) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 64bit --witnessprinter.graph.data.programhash 410663f06ff647e412b04b4e33dc5a0aa773139e9be33f59003b35b6e81927a8 --- Real Ultimate output --- This is Ultimate 0.3.0-?-551b009-m [2025-01-09 18:18:39,328 INFO L188 SettingsManager]: Resetting all preferences to default values... [2025-01-09 18:18:39,385 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Default.epf [2025-01-09 18:18:39,390 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2025-01-09 18:18:39,392 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2025-01-09 18:18:39,413 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2025-01-09 18:18:39,414 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2025-01-09 18:18:39,414 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2025-01-09 18:18:39,415 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2025-01-09 18:18:39,415 INFO L153 SettingsManager]: * Use memory slicer=true [2025-01-09 18:18:39,416 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2025-01-09 18:18:39,416 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2025-01-09 18:18:39,416 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2025-01-09 18:18:39,416 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2025-01-09 18:18:39,416 INFO L153 SettingsManager]: * Use SBE=true [2025-01-09 18:18:39,417 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2025-01-09 18:18:39,417 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2025-01-09 18:18:39,417 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2025-01-09 18:18:39,417 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2025-01-09 18:18:39,417 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2025-01-09 18:18:39,417 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2025-01-09 18:18:39,417 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2025-01-09 18:18:39,417 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2025-01-09 18:18:39,417 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2025-01-09 18:18:39,417 INFO L153 SettingsManager]: * Use constant arrays=true [2025-01-09 18:18:39,418 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2025-01-09 18:18:39,418 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2025-01-09 18:18:39,418 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2025-01-09 18:18:39,418 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2025-01-09 18:18:39,418 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2025-01-09 18:18:39,418 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2025-01-09 18:18:39,418 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2025-01-09 18:18:39,419 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2025-01-09 18:18:39,419 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2025-01-09 18:18:39,419 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2025-01-09 18:18:39,419 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2025-01-09 18:18:39,419 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2025-01-09 18:18:39,419 INFO L153 SettingsManager]: * Compute procedure contracts=false [2025-01-09 18:18:39,419 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2025-01-09 18:18:39,419 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2025-01-09 18:18:39,419 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2025-01-09 18:18:39,419 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2025-01-09 18:18:39,419 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2025-01-09 18:18:39,419 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2025-01-09 18:18:39,420 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2025-01-09 18:18:39,420 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 ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 410663f06ff647e412b04b4e33dc5a0aa773139e9be33f59003b35b6e81927a8 [2025-01-09 18:18:39,653 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2025-01-09 18:18:39,658 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2025-01-09 18:18:39,659 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2025-01-09 18:18:39,660 INFO L270 PluginConnector]: Initializing CDTParser... [2025-01-09 18:18:39,660 INFO L274 PluginConnector]: CDTParser initialized [2025-01-09 18:18:39,661 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/ldv-consumption/32_7a_cilled_linux-3.8-rc1-drivers--block--paride--pg.ko-main.cil.out.i [2025-01-09 18:18:40,785 INFO L533 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/09a1c9764/7073b3535b7a451595e8bd849390dd4a/FLAG5f457c20d [2025-01-09 18:18:41,261 INFO L384 CDTParser]: Found 1 translation units. [2025-01-09 18:18:41,262 INFO L180 CDTParser]: Scanning /storage/repos/ultimate-jdk21/releaseScripts/default/sv-benchmarks/c/ldv-consumption/32_7a_cilled_linux-3.8-rc1-drivers--block--paride--pg.ko-main.cil.out.i [2025-01-09 18:18:41,280 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/09a1c9764/7073b3535b7a451595e8bd849390dd4a/FLAG5f457c20d [2025-01-09 18:18:41,376 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/09a1c9764/7073b3535b7a451595e8bd849390dd4a [2025-01-09 18:18:41,378 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2025-01-09 18:18:41,379 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2025-01-09 18:18:41,381 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2025-01-09 18:18:41,381 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2025-01-09 18:18:41,384 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2025-01-09 18:18:41,386 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.01 06:18:41" (1/1) ... [2025-01-09 18:18:41,387 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2498cf46 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 06:18:41, skipping insertion in model container [2025-01-09 18:18:41,387 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.01 06:18:41" (1/1) ... [2025-01-09 18:18:41,455 INFO L175 MainTranslator]: Built tables and reachable declarations [2025-01-09 18:18:42,083 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate-jdk21/releaseScripts/default/sv-benchmarks/c/ldv-consumption/32_7a_cilled_linux-3.8-rc1-drivers--block--paride--pg.ko-main.cil.out.i[108133,108146] [2025-01-09 18:18:42,186 INFO L210 PostProcessor]: Analyzing one entry point: main [2025-01-09 18:18:42,216 INFO L200 MainTranslator]: Completed pre-run [2025-01-09 18:18:42,288 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile (".pushsection .smp_locks,\"a\"\n.balign 4\n.long 671f - .\n.popsection\n671:\n\tlock; btr %1,%0": "+m" (*((long volatile *)addr)): "Ir" (nr)); [2808] [2025-01-09 18:18:42,290 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile (".pushsection .smp_locks,\"a\"\n.balign 4\n.long 671f - .\n.popsection\n671:\n\tlock; bts %2,%1\n\tsbb %0,%0": "=r" (oldbit), "+m" (*((long volatile *)addr)): "Ir" (nr): "memory"); [2815-2816] [2025-01-09 18:18:42,371 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate-jdk21/releaseScripts/default/sv-benchmarks/c/ldv-consumption/32_7a_cilled_linux-3.8-rc1-drivers--block--paride--pg.ko-main.cil.out.i[108133,108146] [2025-01-09 18:18:42,420 INFO L210 PostProcessor]: Analyzing one entry point: main [2025-01-09 18:18:42,481 INFO L204 MainTranslator]: Completed translation [2025-01-09 18:18:42,482 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 06:18:42 WrapperNode [2025-01-09 18:18:42,482 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2025-01-09 18:18:42,483 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2025-01-09 18:18:42,485 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2025-01-09 18:18:42,485 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2025-01-09 18:18:42,490 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 06:18:42" (1/1) ... [2025-01-09 18:18:42,515 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 06:18:42" (1/1) ... [2025-01-09 18:18:42,578 INFO L138 Inliner]: procedures = 133, calls = 1232, calls flagged for inlining = 49, calls inlined = 41, statements flattened = 1948 [2025-01-09 18:18:42,578 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2025-01-09 18:18:42,579 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2025-01-09 18:18:42,579 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2025-01-09 18:18:42,579 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2025-01-09 18:18:42,586 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 06:18:42" (1/1) ... [2025-01-09 18:18:42,586 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 06:18:42" (1/1) ... [2025-01-09 18:18:42,597 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 06:18:42" (1/1) ... [2025-01-09 18:18:42,657 INFO L175 MemorySlicer]: Split 952 memory accesses to 22 slices as follows [2, 3, 24, 5, 32, 1, 6, 5, 2, 6, 28, 512, 11, 1, 3, 1, 2, 273, 13, 14, 5, 3]. 54 percent of accesses are in the largest equivalence class. The 780 initializations are split as follows [2, 3, 0, 5, 24, 1, 4, 0, 0, 6, 0, 512, 11, 0, 0, 0, 0, 180, 13, 14, 5, 0]. The 103 writes are split as follows [0, 0, 24, 0, 0, 0, 0, 5, 2, 0, 28, 0, 0, 0, 1, 0, 1, 40, 0, 0, 0, 2]. [2025-01-09 18:18:42,657 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 06:18:42" (1/1) ... [2025-01-09 18:18:42,657 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 06:18:42" (1/1) ... [2025-01-09 18:18:42,708 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 06:18:42" (1/1) ... [2025-01-09 18:18:42,715 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 06:18:42" (1/1) ... [2025-01-09 18:18:42,721 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 06:18:42" (1/1) ... [2025-01-09 18:18:42,730 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 06:18:42" (1/1) ... [2025-01-09 18:18:42,750 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 06:18:42" (1/1) ... [2025-01-09 18:18:42,775 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2025-01-09 18:18:42,777 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2025-01-09 18:18:42,777 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2025-01-09 18:18:42,777 INFO L274 PluginConnector]: RCFGBuilder initialized [2025-01-09 18:18:42,778 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 06:18:42" (1/1) ... [2025-01-09 18:18:42,783 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2025-01-09 18:18:42,833 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-01-09 18:18:42,849 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) [2025-01-09 18:18:42,855 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 [2025-01-09 18:18:42,875 INFO L130 BoogieDeclarations]: Found specification of procedure pi_release [2025-01-09 18:18:42,877 INFO L138 BoogieDeclarations]: Found implementation of procedure pi_release [2025-01-09 18:18:42,877 INFO L130 BoogieDeclarations]: Found specification of procedure write_reg [2025-01-09 18:18:42,877 INFO L138 BoogieDeclarations]: Found implementation of procedure write_reg [2025-01-09 18:18:42,878 INFO L130 BoogieDeclarations]: Found specification of procedure pi_disconnect [2025-01-09 18:18:42,878 INFO L138 BoogieDeclarations]: Found implementation of procedure pi_disconnect [2025-01-09 18:18:42,878 INFO L130 BoogieDeclarations]: Found specification of procedure status_reg [2025-01-09 18:18:42,878 INFO L138 BoogieDeclarations]: Found implementation of procedure status_reg [2025-01-09 18:18:42,878 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#0 [2025-01-09 18:18:42,878 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#1 [2025-01-09 18:18:42,878 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#2 [2025-01-09 18:18:42,878 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#3 [2025-01-09 18:18:42,878 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#4 [2025-01-09 18:18:42,878 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#5 [2025-01-09 18:18:42,878 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#6 [2025-01-09 18:18:42,878 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#7 [2025-01-09 18:18:42,879 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#8 [2025-01-09 18:18:42,879 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#9 [2025-01-09 18:18:42,879 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#10 [2025-01-09 18:18:42,879 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#11 [2025-01-09 18:18:42,879 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#12 [2025-01-09 18:18:42,879 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#13 [2025-01-09 18:18:42,879 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#14 [2025-01-09 18:18:42,879 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#15 [2025-01-09 18:18:42,879 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#16 [2025-01-09 18:18:42,880 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#17 [2025-01-09 18:18:42,880 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#18 [2025-01-09 18:18:42,880 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#19 [2025-01-09 18:18:42,880 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#20 [2025-01-09 18:18:42,880 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#21 [2025-01-09 18:18:42,880 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#0 [2025-01-09 18:18:42,881 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#1 [2025-01-09 18:18:42,881 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#2 [2025-01-09 18:18:42,881 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#3 [2025-01-09 18:18:42,881 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#4 [2025-01-09 18:18:42,881 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#5 [2025-01-09 18:18:42,881 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#6 [2025-01-09 18:18:42,881 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#7 [2025-01-09 18:18:42,881 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#8 [2025-01-09 18:18:42,881 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#9 [2025-01-09 18:18:42,882 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#10 [2025-01-09 18:18:42,882 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#11 [2025-01-09 18:18:42,882 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#12 [2025-01-09 18:18:42,882 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#13 [2025-01-09 18:18:42,882 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#14 [2025-01-09 18:18:42,883 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#15 [2025-01-09 18:18:42,883 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#16 [2025-01-09 18:18:42,883 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#17 [2025-01-09 18:18:42,883 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#18 [2025-01-09 18:18:42,883 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#19 [2025-01-09 18:18:42,883 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#20 [2025-01-09 18:18:42,883 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#21 [2025-01-09 18:18:42,883 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#0 [2025-01-09 18:18:42,883 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#1 [2025-01-09 18:18:42,883 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#2 [2025-01-09 18:18:42,883 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#3 [2025-01-09 18:18:42,883 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#4 [2025-01-09 18:18:42,883 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#5 [2025-01-09 18:18:42,883 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#6 [2025-01-09 18:18:42,883 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#7 [2025-01-09 18:18:42,883 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#8 [2025-01-09 18:18:42,883 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#9 [2025-01-09 18:18:42,883 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#10 [2025-01-09 18:18:42,883 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#11 [2025-01-09 18:18:42,883 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#12 [2025-01-09 18:18:42,883 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#13 [2025-01-09 18:18:42,883 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#14 [2025-01-09 18:18:42,883 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#15 [2025-01-09 18:18:42,883 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#16 [2025-01-09 18:18:42,883 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#17 [2025-01-09 18:18:42,884 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#18 [2025-01-09 18:18:42,884 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#19 [2025-01-09 18:18:42,884 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#20 [2025-01-09 18:18:42,884 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#21 [2025-01-09 18:18:42,884 INFO L130 BoogieDeclarations]: Found specification of procedure read_reg [2025-01-09 18:18:42,884 INFO L138 BoogieDeclarations]: Found implementation of procedure read_reg [2025-01-09 18:18:42,884 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2025-01-09 18:18:42,884 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2025-01-09 18:18:42,884 INFO L130 BoogieDeclarations]: Found specification of procedure pg_sleep [2025-01-09 18:18:42,884 INFO L138 BoogieDeclarations]: Found implementation of procedure pg_sleep [2025-01-09 18:18:42,884 INFO L130 BoogieDeclarations]: Found specification of procedure pg_completion [2025-01-09 18:18:42,884 INFO L138 BoogieDeclarations]: Found implementation of procedure pg_completion [2025-01-09 18:18:42,884 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#0 [2025-01-09 18:18:42,884 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#1 [2025-01-09 18:18:42,884 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#2 [2025-01-09 18:18:42,884 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#3 [2025-01-09 18:18:42,884 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#4 [2025-01-09 18:18:42,884 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#5 [2025-01-09 18:18:42,884 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#6 [2025-01-09 18:18:42,884 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#7 [2025-01-09 18:18:42,884 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#8 [2025-01-09 18:18:42,884 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#9 [2025-01-09 18:18:42,884 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#10 [2025-01-09 18:18:42,884 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#11 [2025-01-09 18:18:42,884 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#12 [2025-01-09 18:18:42,884 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#13 [2025-01-09 18:18:42,884 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#14 [2025-01-09 18:18:42,884 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#15 [2025-01-09 18:18:42,884 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#16 [2025-01-09 18:18:42,884 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#17 [2025-01-09 18:18:42,884 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#18 [2025-01-09 18:18:42,887 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#19 [2025-01-09 18:18:42,887 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#20 [2025-01-09 18:18:42,888 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#21 [2025-01-09 18:18:42,888 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_unlock [2025-01-09 18:18:42,888 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_unlock [2025-01-09 18:18:42,888 INFO L130 BoogieDeclarations]: Found specification of procedure copy_to_user [2025-01-09 18:18:42,888 INFO L138 BoogieDeclarations]: Found implementation of procedure copy_to_user [2025-01-09 18:18:42,888 INFO L130 BoogieDeclarations]: Found specification of procedure pg_wait [2025-01-09 18:18:42,888 INFO L138 BoogieDeclarations]: Found implementation of procedure pg_wait [2025-01-09 18:18:42,888 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_error [2025-01-09 18:18:42,888 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_error [2025-01-09 18:18:42,888 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2025-01-09 18:18:42,888 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2025-01-09 18:18:42,888 INFO L130 BoogieDeclarations]: Found specification of procedure clear_bit [2025-01-09 18:18:42,888 INFO L138 BoogieDeclarations]: Found implementation of procedure clear_bit [2025-01-09 18:18:42,888 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2025-01-09 18:18:42,888 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_lock [2025-01-09 18:18:42,888 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_lock [2025-01-09 18:18:42,888 INFO L130 BoogieDeclarations]: Found specification of procedure copy_from_user [2025-01-09 18:18:42,888 INFO L138 BoogieDeclarations]: Found implementation of procedure copy_from_user [2025-01-09 18:18:42,888 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2025-01-09 18:18:42,888 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_unregister_chrdev_11 [2025-01-09 18:18:42,888 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_unregister_chrdev_11 [2025-01-09 18:18:42,888 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2025-01-09 18:18:42,888 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#0 [2025-01-09 18:18:42,888 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#1 [2025-01-09 18:18:42,888 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#2 [2025-01-09 18:18:42,888 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#3 [2025-01-09 18:18:42,888 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#4 [2025-01-09 18:18:42,888 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#5 [2025-01-09 18:18:42,888 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#6 [2025-01-09 18:18:42,888 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#7 [2025-01-09 18:18:42,888 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#8 [2025-01-09 18:18:42,888 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#9 [2025-01-09 18:18:42,888 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#10 [2025-01-09 18:18:42,888 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#11 [2025-01-09 18:18:42,888 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#12 [2025-01-09 18:18:42,889 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#13 [2025-01-09 18:18:42,889 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#14 [2025-01-09 18:18:42,889 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#15 [2025-01-09 18:18:42,889 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#16 [2025-01-09 18:18:42,889 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#17 [2025-01-09 18:18:42,889 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#18 [2025-01-09 18:18:42,889 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#19 [2025-01-09 18:18:42,889 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#20 [2025-01-09 18:18:42,889 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#21 [2025-01-09 18:18:42,889 INFO L130 BoogieDeclarations]: Found specification of procedure DRIVE [2025-01-09 18:18:42,889 INFO L138 BoogieDeclarations]: Found implementation of procedure DRIVE [2025-01-09 18:18:42,889 INFO L130 BoogieDeclarations]: Found specification of procedure pg_write [2025-01-09 18:18:42,889 INFO L138 BoogieDeclarations]: Found implementation of procedure pg_write [2025-01-09 18:18:42,889 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#0 [2025-01-09 18:18:42,889 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#1 [2025-01-09 18:18:42,889 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#2 [2025-01-09 18:18:42,889 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#3 [2025-01-09 18:18:42,889 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#4 [2025-01-09 18:18:42,889 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#5 [2025-01-09 18:18:42,889 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#6 [2025-01-09 18:18:42,889 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#7 [2025-01-09 18:18:42,889 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#8 [2025-01-09 18:18:42,889 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#9 [2025-01-09 18:18:42,889 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#10 [2025-01-09 18:18:42,889 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#11 [2025-01-09 18:18:42,889 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#12 [2025-01-09 18:18:42,889 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#13 [2025-01-09 18:18:42,889 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#14 [2025-01-09 18:18:42,889 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#15 [2025-01-09 18:18:42,889 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#16 [2025-01-09 18:18:42,889 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#17 [2025-01-09 18:18:42,889 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#18 [2025-01-09 18:18:42,889 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#19 [2025-01-09 18:18:42,889 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#20 [2025-01-09 18:18:42,889 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#21 [2025-01-09 18:18:42,889 INFO L130 BoogieDeclarations]: Found specification of procedure pg_reset [2025-01-09 18:18:42,889 INFO L138 BoogieDeclarations]: Found implementation of procedure pg_reset [2025-01-09 18:18:42,889 INFO L130 BoogieDeclarations]: Found specification of procedure pg_identify [2025-01-09 18:18:42,889 INFO L138 BoogieDeclarations]: Found implementation of procedure pg_identify [2025-01-09 18:18:42,889 INFO L130 BoogieDeclarations]: Found specification of procedure pi_write_block [2025-01-09 18:18:42,889 INFO L138 BoogieDeclarations]: Found implementation of procedure pi_write_block [2025-01-09 18:18:42,890 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2025-01-09 18:18:42,892 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#0 [2025-01-09 18:18:42,892 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#1 [2025-01-09 18:18:42,892 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#2 [2025-01-09 18:18:42,892 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#3 [2025-01-09 18:18:42,892 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#4 [2025-01-09 18:18:42,892 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#5 [2025-01-09 18:18:42,892 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#6 [2025-01-09 18:18:42,892 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#7 [2025-01-09 18:18:42,892 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#8 [2025-01-09 18:18:42,892 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#9 [2025-01-09 18:18:42,892 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#10 [2025-01-09 18:18:42,892 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#11 [2025-01-09 18:18:42,892 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#12 [2025-01-09 18:18:42,892 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#13 [2025-01-09 18:18:42,892 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#14 [2025-01-09 18:18:42,892 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#15 [2025-01-09 18:18:42,893 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#16 [2025-01-09 18:18:42,893 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#17 [2025-01-09 18:18:42,893 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#18 [2025-01-09 18:18:42,893 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#19 [2025-01-09 18:18:42,893 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#20 [2025-01-09 18:18:42,893 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#21 [2025-01-09 18:18:42,893 INFO L130 BoogieDeclarations]: Found specification of procedure pi_init [2025-01-09 18:18:42,893 INFO L138 BoogieDeclarations]: Found implementation of procedure pi_init [2025-01-09 18:18:42,893 INFO L130 BoogieDeclarations]: Found specification of procedure pi_read_regr [2025-01-09 18:18:42,893 INFO L138 BoogieDeclarations]: Found implementation of procedure pi_read_regr [2025-01-09 18:18:42,893 INFO L130 BoogieDeclarations]: Found specification of procedure might_fault [2025-01-09 18:18:42,893 INFO L138 BoogieDeclarations]: Found implementation of procedure might_fault [2025-01-09 18:18:42,893 INFO L130 BoogieDeclarations]: Found specification of procedure printk [2025-01-09 18:18:42,893 INFO L138 BoogieDeclarations]: Found implementation of procedure printk [2025-01-09 18:18:42,893 INFO L130 BoogieDeclarations]: Found specification of procedure pg_probe [2025-01-09 18:18:42,893 INFO L138 BoogieDeclarations]: Found implementation of procedure pg_probe [2025-01-09 18:18:42,893 INFO L130 BoogieDeclarations]: Found specification of procedure pi_connect [2025-01-09 18:18:42,893 INFO L138 BoogieDeclarations]: Found implementation of procedure pi_connect [2025-01-09 18:18:42,893 INFO L130 BoogieDeclarations]: Found specification of procedure pg_command [2025-01-09 18:18:42,893 INFO L138 BoogieDeclarations]: Found implementation of procedure pg_command [2025-01-09 18:18:42,893 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2025-01-09 18:18:42,893 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#1 [2025-01-09 18:18:42,893 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#2 [2025-01-09 18:18:42,893 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#3 [2025-01-09 18:18:42,893 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#4 [2025-01-09 18:18:42,893 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#5 [2025-01-09 18:18:42,893 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#6 [2025-01-09 18:18:42,893 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#7 [2025-01-09 18:18:42,893 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#8 [2025-01-09 18:18:42,893 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#9 [2025-01-09 18:18:42,893 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#10 [2025-01-09 18:18:42,893 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#11 [2025-01-09 18:18:42,893 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#12 [2025-01-09 18:18:42,893 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#13 [2025-01-09 18:18:42,893 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#14 [2025-01-09 18:18:42,893 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#15 [2025-01-09 18:18:42,893 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#16 [2025-01-09 18:18:42,893 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#17 [2025-01-09 18:18:42,893 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#18 [2025-01-09 18:18:42,893 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#19 [2025-01-09 18:18:42,893 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#20 [2025-01-09 18:18:42,893 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#21 [2025-01-09 18:18:42,893 INFO L130 BoogieDeclarations]: Found specification of procedure _copy_from_user [2025-01-09 18:18:42,893 INFO L138 BoogieDeclarations]: Found implementation of procedure _copy_from_user [2025-01-09 18:18:42,893 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2025-01-09 18:18:42,893 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2025-01-09 18:18:42,894 INFO L130 BoogieDeclarations]: Found specification of procedure xs [2025-01-09 18:18:42,894 INFO L138 BoogieDeclarations]: Found implementation of procedure xs [2025-01-09 18:18:43,280 INFO L234 CfgBuilder]: Building ICFG [2025-01-09 18:18:43,282 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2025-01-09 18:18:49,200 INFO L? ?]: Removed 571 outVars from TransFormulas that were not future-live. [2025-01-09 18:18:49,200 INFO L283 CfgBuilder]: Performing block encoding [2025-01-09 18:18:49,216 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2025-01-09 18:18:49,216 INFO L312 CfgBuilder]: Removed 1 assume(true) statements. [2025-01-09 18:18:49,216 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.01 06:18:49 BoogieIcfgContainer [2025-01-09 18:18:49,217 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2025-01-09 18:18:49,218 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2025-01-09 18:18:49,218 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2025-01-09 18:18:49,221 INFO L274 PluginConnector]: TraceAbstraction initialized [2025-01-09 18:18:49,222 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 09.01 06:18:41" (1/3) ... [2025-01-09 18:18:49,222 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@495aef4c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 09.01 06:18:49, skipping insertion in model container [2025-01-09 18:18:49,222 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 06:18:42" (2/3) ... [2025-01-09 18:18:49,222 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@495aef4c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 09.01 06:18:49, skipping insertion in model container [2025-01-09 18:18:49,222 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.01 06:18:49" (3/3) ... [2025-01-09 18:18:49,223 INFO L128 eAbstractionObserver]: Analyzing ICFG 32_7a_cilled_linux-3.8-rc1-drivers--block--paride--pg.ko-main.cil.out.i [2025-01-09 18:18:49,232 INFO L216 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2025-01-09 18:18:49,235 INFO L151 ceAbstractionStarter]: Applying trace abstraction to ICFG 32_7a_cilled_linux-3.8-rc1-drivers--block--paride--pg.ko-main.cil.out.i that has 32 procedures, 529 locations, 1 initial locations, 2 loop locations, and 1 error locations. [2025-01-09 18:18:49,284 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2025-01-09 18:18:49,293 INFO L333 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mAutomataTypeConcurrency=PETRI_NET, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopHeads, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mPorIndependenceSettings=[Lde.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings;@79196736, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2025-01-09 18:18:49,294 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2025-01-09 18:18:49,301 INFO L276 IsEmpty]: Start isEmpty. Operand has 529 states, 394 states have (on average 1.368020304568528) internal successors, (539), 404 states have internal predecessors, (539), 102 states have call successors, (102), 31 states have call predecessors, (102), 31 states have return successors, (102), 102 states have call predecessors, (102), 102 states have call successors, (102) [2025-01-09 18:18:49,307 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2025-01-09 18:18:49,307 INFO L210 NwaCegarLoop]: Found error trace [2025-01-09 18:18:49,309 INFO L218 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-01-09 18:18:49,309 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2025-01-09 18:18:49,314 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-09 18:18:49,315 INFO L85 PathProgramCache]: Analyzing trace with hash -1705185471, now seen corresponding path program 1 times [2025-01-09 18:18:49,321 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-01-09 18:18:49,322 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1287062389] [2025-01-09 18:18:49,322 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-09 18:18:49,322 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-09 18:18:49,787 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 16 statements into 1 equivalence classes. [2025-01-09 18:18:49,959 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 16 of 16 statements. [2025-01-09 18:18:49,959 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-09 18:18:49,959 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-09 18:18:50,277 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-01-09 18:18:50,278 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-01-09 18:18:50,278 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1287062389] [2025-01-09 18:18:50,279 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1287062389] provided 1 perfect and 0 imperfect interpolant sequences [2025-01-09 18:18:50,279 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-01-09 18:18:50,279 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2025-01-09 18:18:50,284 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [697066953] [2025-01-09 18:18:50,285 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-01-09 18:18:50,291 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2025-01-09 18:18:50,291 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-01-09 18:18:50,316 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2025-01-09 18:18:50,320 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-01-09 18:18:50,323 INFO L87 Difference]: Start difference. First operand has 529 states, 394 states have (on average 1.368020304568528) internal successors, (539), 404 states have internal predecessors, (539), 102 states have call successors, (102), 31 states have call predecessors, (102), 31 states have return successors, (102), 102 states have call predecessors, (102), 102 states have call successors, (102) Second operand has 3 states, 3 states have (on average 5.0) internal successors, (15), 3 states have internal predecessors, (15), 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) [2025-01-09 18:18:50,553 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-01-09 18:18:50,554 INFO L93 Difference]: Finished difference Result 1382 states and 1968 transitions. [2025-01-09 18:18:50,555 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-01-09 18:18:50,556 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 5.0) internal successors, (15), 3 states have internal predecessors, (15), 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 16 [2025-01-09 18:18:50,557 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-01-09 18:18:50,576 INFO L225 Difference]: With dead ends: 1382 [2025-01-09 18:18:50,578 INFO L226 Difference]: Without dead ends: 848 [2025-01-09 18:18:50,586 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 [2025-01-09 18:18:50,588 INFO L435 NwaCegarLoop]: 904 mSDtfsCounter, 462 mSDsluCounter, 694 mSDsCounter, 0 mSdLazyCounter, 21 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 462 SdHoareTripleChecker+Valid, 1598 SdHoareTripleChecker+Invalid, 25 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 21 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2025-01-09 18:18:50,589 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [462 Valid, 1598 Invalid, 25 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 21 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2025-01-09 18:18:50,604 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 848 states. [2025-01-09 18:18:50,680 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 848 to 820. [2025-01-09 18:18:50,683 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 820 states, 604 states have (on average 1.3526490066225165) internal successors, (817), 614 states have internal predecessors, (817), 165 states have call successors, (165), 51 states have call predecessors, (165), 50 states have return successors, (159), 159 states have call predecessors, (159), 159 states have call successors, (159) [2025-01-09 18:18:50,701 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 820 states to 820 states and 1141 transitions. [2025-01-09 18:18:50,707 INFO L78 Accepts]: Start accepts. Automaton has 820 states and 1141 transitions. Word has length 16 [2025-01-09 18:18:50,707 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-01-09 18:18:50,707 INFO L471 AbstractCegarLoop]: Abstraction has 820 states and 1141 transitions. [2025-01-09 18:18:50,707 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 5.0) internal successors, (15), 3 states have internal predecessors, (15), 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) [2025-01-09 18:18:50,708 INFO L276 IsEmpty]: Start isEmpty. Operand 820 states and 1141 transitions. [2025-01-09 18:18:50,709 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2025-01-09 18:18:50,712 INFO L210 NwaCegarLoop]: Found error trace [2025-01-09 18:18:50,713 INFO L218 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-01-09 18:18:50,713 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2025-01-09 18:18:50,713 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2025-01-09 18:18:50,713 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-09 18:18:50,714 INFO L85 PathProgramCache]: Analyzing trace with hash -1939651144, now seen corresponding path program 1 times [2025-01-09 18:18:50,714 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-01-09 18:18:50,714 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [674476437] [2025-01-09 18:18:50,714 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-09 18:18:50,714 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-09 18:18:51,073 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 19 statements into 1 equivalence classes. [2025-01-09 18:18:51,132 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 19 of 19 statements. [2025-01-09 18:18:51,132 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-09 18:18:51,132 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-09 18:18:51,264 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-01-09 18:18:51,264 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-01-09 18:18:51,264 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [674476437] [2025-01-09 18:18:51,264 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [674476437] provided 1 perfect and 0 imperfect interpolant sequences [2025-01-09 18:18:51,265 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-01-09 18:18:51,265 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2025-01-09 18:18:51,265 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [921581402] [2025-01-09 18:18:51,265 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-01-09 18:18:51,266 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2025-01-09 18:18:51,266 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-01-09 18:18:51,266 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2025-01-09 18:18:51,266 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-01-09 18:18:51,266 INFO L87 Difference]: Start difference. First operand 820 states and 1141 transitions. Second operand has 3 states, 3 states have (on average 6.0) internal successors, (18), 2 states have internal predecessors, (18), 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) [2025-01-09 18:18:51,343 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-01-09 18:18:51,343 INFO L93 Difference]: Finished difference Result 1637 states and 2279 transitions. [2025-01-09 18:18:51,343 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-01-09 18:18:51,344 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 6.0) internal successors, (18), 2 states have internal predecessors, (18), 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 19 [2025-01-09 18:18:51,344 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-01-09 18:18:51,352 INFO L225 Difference]: With dead ends: 1637 [2025-01-09 18:18:51,352 INFO L226 Difference]: Without dead ends: 820 [2025-01-09 18:18:51,356 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 [2025-01-09 18:18:51,358 INFO L435 NwaCegarLoop]: 727 mSDtfsCounter, 718 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 1 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 718 SdHoareTripleChecker+Valid, 727 SdHoareTripleChecker+Invalid, 1 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 1 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2025-01-09 18:18:51,358 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [718 Valid, 727 Invalid, 1 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 1 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2025-01-09 18:18:51,360 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 820 states. [2025-01-09 18:18:51,400 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 820 to 820. [2025-01-09 18:18:51,401 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 820 states, 604 states have (on average 1.349337748344371) internal successors, (815), 614 states have internal predecessors, (815), 165 states have call successors, (165), 51 states have call predecessors, (165), 50 states have return successors, (159), 159 states have call predecessors, (159), 159 states have call successors, (159) [2025-01-09 18:18:51,407 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 820 states to 820 states and 1139 transitions. [2025-01-09 18:18:51,408 INFO L78 Accepts]: Start accepts. Automaton has 820 states and 1139 transitions. Word has length 19 [2025-01-09 18:18:51,408 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-01-09 18:18:51,409 INFO L471 AbstractCegarLoop]: Abstraction has 820 states and 1139 transitions. [2025-01-09 18:18:51,409 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 6.0) internal successors, (18), 2 states have internal predecessors, (18), 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) [2025-01-09 18:18:51,409 INFO L276 IsEmpty]: Start isEmpty. Operand 820 states and 1139 transitions. [2025-01-09 18:18:51,411 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2025-01-09 18:18:51,411 INFO L210 NwaCegarLoop]: Found error trace [2025-01-09 18:18:51,411 INFO L218 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-01-09 18:18:51,412 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2025-01-09 18:18:51,412 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2025-01-09 18:18:51,412 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-09 18:18:51,412 INFO L85 PathProgramCache]: Analyzing trace with hash 905071542, now seen corresponding path program 1 times [2025-01-09 18:18:51,412 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-01-09 18:18:51,412 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1367922750] [2025-01-09 18:18:51,413 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-09 18:18:51,414 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-09 18:18:51,750 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 25 statements into 1 equivalence classes. [2025-01-09 18:18:51,780 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 25 of 25 statements. [2025-01-09 18:18:51,781 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-09 18:18:51,781 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-09 18:18:51,965 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-01-09 18:18:51,965 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-01-09 18:18:51,966 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1367922750] [2025-01-09 18:18:51,966 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1367922750] provided 1 perfect and 0 imperfect interpolant sequences [2025-01-09 18:18:51,966 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-01-09 18:18:51,966 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2025-01-09 18:18:51,966 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [583466162] [2025-01-09 18:18:51,966 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-01-09 18:18:51,966 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2025-01-09 18:18:51,966 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-01-09 18:18:51,967 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2025-01-09 18:18:51,967 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-01-09 18:18:51,967 INFO L87 Difference]: Start difference. First operand 820 states and 1139 transitions. Second operand has 3 states, 3 states have (on average 7.333333333333333) internal successors, (22), 3 states have internal predecessors, (22), 1 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2025-01-09 18:18:56,003 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.03s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2025-01-09 18:18:56,110 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-01-09 18:18:56,110 INFO L93 Difference]: Finished difference Result 2049 states and 2849 transitions. [2025-01-09 18:18:56,110 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-01-09 18:18:56,110 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 7.333333333333333) internal successors, (22), 3 states have internal predecessors, (22), 1 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 25 [2025-01-09 18:18:56,111 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-01-09 18:18:56,121 INFO L225 Difference]: With dead ends: 2049 [2025-01-09 18:18:56,121 INFO L226 Difference]: Without dead ends: 1232 [2025-01-09 18:18:56,124 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-01-09 18:18:56,125 INFO L435 NwaCegarLoop]: 1117 mSDtfsCounter, 675 mSDsluCounter, 583 mSDsCounter, 0 mSdLazyCounter, 12 mSolverCounterSat, 3 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 675 SdHoareTripleChecker+Valid, 1700 SdHoareTripleChecker+Invalid, 16 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 12 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.1s IncrementalHoareTripleChecker+Time [2025-01-09 18:18:56,127 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [675 Valid, 1700 Invalid, 16 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 12 Invalid, 1 Unknown, 0 Unchecked, 4.1s Time] [2025-01-09 18:18:56,130 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1232 states. [2025-01-09 18:18:56,203 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1232 to 1228. [2025-01-09 18:18:56,205 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1228 states, 909 states have (on average 1.353135313531353) internal successors, (1230), 921 states have internal predecessors, (1230), 240 states have call successors, (240), 79 states have call predecessors, (240), 78 states have return successors, (234), 234 states have call predecessors, (234), 234 states have call successors, (234) [2025-01-09 18:18:56,213 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1228 states to 1228 states and 1704 transitions. [2025-01-09 18:18:56,214 INFO L78 Accepts]: Start accepts. Automaton has 1228 states and 1704 transitions. Word has length 25 [2025-01-09 18:18:56,215 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-01-09 18:18:56,217 INFO L471 AbstractCegarLoop]: Abstraction has 1228 states and 1704 transitions. [2025-01-09 18:18:56,217 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 7.333333333333333) internal successors, (22), 3 states have internal predecessors, (22), 1 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2025-01-09 18:18:56,218 INFO L276 IsEmpty]: Start isEmpty. Operand 1228 states and 1704 transitions. [2025-01-09 18:18:56,218 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2025-01-09 18:18:56,218 INFO L210 NwaCegarLoop]: Found error trace [2025-01-09 18:18:56,218 INFO L218 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-01-09 18:18:56,218 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2025-01-09 18:18:56,219 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2025-01-09 18:18:56,219 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-09 18:18:56,219 INFO L85 PathProgramCache]: Analyzing trace with hash 1343734521, now seen corresponding path program 1 times [2025-01-09 18:18:56,219 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-01-09 18:18:56,219 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2004499660] [2025-01-09 18:18:56,219 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-09 18:18:56,219 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-09 18:18:56,577 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 30 statements into 1 equivalence classes. [2025-01-09 18:18:56,604 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 30 of 30 statements. [2025-01-09 18:18:56,604 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-09 18:18:56,604 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-09 18:18:56,745 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-01-09 18:18:56,745 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-01-09 18:18:56,747 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2004499660] [2025-01-09 18:18:56,747 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2004499660] provided 1 perfect and 0 imperfect interpolant sequences [2025-01-09 18:18:56,747 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-01-09 18:18:56,747 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2025-01-09 18:18:56,747 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1222456438] [2025-01-09 18:18:56,747 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-01-09 18:18:56,747 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2025-01-09 18:18:56,748 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-01-09 18:18:56,748 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2025-01-09 18:18:56,748 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-01-09 18:18:56,748 INFO L87 Difference]: Start difference. First operand 1228 states and 1704 transitions. Second operand has 3 states, 3 states have (on average 9.0) internal successors, (27), 3 states have internal predecessors, (27), 1 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2025-01-09 18:18:56,806 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-01-09 18:18:56,807 INFO L93 Difference]: Finished difference Result 2467 states and 3427 transitions. [2025-01-09 18:18:56,807 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-01-09 18:18:56,807 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 9.0) internal successors, (27), 3 states have internal predecessors, (27), 1 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 30 [2025-01-09 18:18:56,807 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-01-09 18:18:56,814 INFO L225 Difference]: With dead ends: 2467 [2025-01-09 18:18:56,814 INFO L226 Difference]: Without dead ends: 1242 [2025-01-09 18:18:56,818 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 [2025-01-09 18:18:56,820 INFO L435 NwaCegarLoop]: 725 mSDtfsCounter, 7 mSDsluCounter, 722 mSDsCounter, 0 mSdLazyCounter, 8 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 8 SdHoareTripleChecker+Valid, 1447 SdHoareTripleChecker+Invalid, 8 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 8 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2025-01-09 18:18:56,820 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [8 Valid, 1447 Invalid, 8 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 8 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2025-01-09 18:18:56,822 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1242 states. [2025-01-09 18:18:56,861 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1242 to 1230. [2025-01-09 18:18:56,863 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1230 states, 911 states have (on average 1.3523600439077936) internal successors, (1232), 923 states have internal predecessors, (1232), 240 states have call successors, (240), 79 states have call predecessors, (240), 78 states have return successors, (234), 234 states have call predecessors, (234), 234 states have call successors, (234) [2025-01-09 18:18:56,872 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1230 states to 1230 states and 1706 transitions. [2025-01-09 18:18:56,874 INFO L78 Accepts]: Start accepts. Automaton has 1230 states and 1706 transitions. Word has length 30 [2025-01-09 18:18:56,874 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-01-09 18:18:56,874 INFO L471 AbstractCegarLoop]: Abstraction has 1230 states and 1706 transitions. [2025-01-09 18:18:56,874 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 9.0) internal successors, (27), 3 states have internal predecessors, (27), 1 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2025-01-09 18:18:56,874 INFO L276 IsEmpty]: Start isEmpty. Operand 1230 states and 1706 transitions. [2025-01-09 18:18:56,876 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2025-01-09 18:18:56,876 INFO L210 NwaCegarLoop]: Found error trace [2025-01-09 18:18:56,876 INFO L218 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-01-09 18:18:56,876 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2025-01-09 18:18:56,876 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2025-01-09 18:18:56,877 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-09 18:18:56,877 INFO L85 PathProgramCache]: Analyzing trace with hash -1913217502, now seen corresponding path program 1 times [2025-01-09 18:18:56,877 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-01-09 18:18:56,877 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [277448941] [2025-01-09 18:18:56,877 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-09 18:18:56,877 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-09 18:18:57,164 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 40 statements into 1 equivalence classes. [2025-01-09 18:18:57,196 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 40 of 40 statements. [2025-01-09 18:18:57,196 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-09 18:18:57,196 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-09 18:18:57,403 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-01-09 18:18:57,403 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-01-09 18:18:57,403 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [277448941] [2025-01-09 18:18:57,403 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [277448941] provided 0 perfect and 1 imperfect interpolant sequences [2025-01-09 18:18:57,403 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1985994237] [2025-01-09 18:18:57,403 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-09 18:18:57,404 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-01-09 18:18:57,404 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-01-09 18:18:57,413 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) [2025-01-09 18:18:57,417 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 [2025-01-09 18:18:57,994 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 40 statements into 1 equivalence classes. [2025-01-09 18:18:58,265 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 40 of 40 statements. [2025-01-09 18:18:58,265 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-09 18:18:58,265 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-09 18:18:58,276 INFO L256 TraceCheckSpWp]: Trace formula consists of 2581 conjuncts, 3 conjuncts are in the unsatisfiable core [2025-01-09 18:18:58,281 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-01-09 18:18:58,297 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2025-01-09 18:18:58,297 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2025-01-09 18:18:58,298 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1985994237] provided 1 perfect and 0 imperfect interpolant sequences [2025-01-09 18:18:58,298 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2025-01-09 18:18:58,298 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [4] total 5 [2025-01-09 18:18:58,299 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1163452913] [2025-01-09 18:18:58,299 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-01-09 18:18:58,299 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2025-01-09 18:18:58,299 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-01-09 18:18:58,299 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2025-01-09 18:18:58,299 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2025-01-09 18:18:58,300 INFO L87 Difference]: Start difference. First operand 1230 states and 1706 transitions. Second operand has 3 states, 3 states have (on average 11.666666666666666) internal successors, (35), 3 states have internal predecessors, (35), 2 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2025-01-09 18:18:58,353 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-01-09 18:18:58,354 INFO L93 Difference]: Finished difference Result 2483 states and 3451 transitions. [2025-01-09 18:18:58,354 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-01-09 18:18:58,354 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 11.666666666666666) internal successors, (35), 3 states have internal predecessors, (35), 2 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) Word has length 40 [2025-01-09 18:18:58,355 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-01-09 18:18:58,360 INFO L225 Difference]: With dead ends: 2483 [2025-01-09 18:18:58,361 INFO L226 Difference]: Without dead ends: 1256 [2025-01-09 18:18:58,364 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 43 GetRequests, 40 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2025-01-09 18:18:58,365 INFO L435 NwaCegarLoop]: 725 mSDtfsCounter, 19 mSDsluCounter, 710 mSDsCounter, 0 mSdLazyCounter, 9 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 25 SdHoareTripleChecker+Valid, 1435 SdHoareTripleChecker+Invalid, 9 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 9 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2025-01-09 18:18:58,365 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [25 Valid, 1435 Invalid, 9 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 9 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2025-01-09 18:18:58,367 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1256 states. [2025-01-09 18:18:58,405 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1256 to 1256. [2025-01-09 18:18:58,407 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1256 states, 931 states have (on average 1.3533834586466165) internal successors, (1260), 943 states have internal predecessors, (1260), 246 states have call successors, (246), 79 states have call predecessors, (246), 78 states have return successors, (240), 240 states have call predecessors, (240), 240 states have call successors, (240) [2025-01-09 18:18:58,413 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1256 states to 1256 states and 1746 transitions. [2025-01-09 18:18:58,414 INFO L78 Accepts]: Start accepts. Automaton has 1256 states and 1746 transitions. Word has length 40 [2025-01-09 18:18:58,414 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-01-09 18:18:58,415 INFO L471 AbstractCegarLoop]: Abstraction has 1256 states and 1746 transitions. [2025-01-09 18:18:58,415 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 11.666666666666666) internal successors, (35), 3 states have internal predecessors, (35), 2 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2025-01-09 18:18:58,415 INFO L276 IsEmpty]: Start isEmpty. Operand 1256 states and 1746 transitions. [2025-01-09 18:18:58,417 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 46 [2025-01-09 18:18:58,417 INFO L210 NwaCegarLoop]: Found error trace [2025-01-09 18:18:58,417 INFO L218 NwaCegarLoop]: trace histogram [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] [2025-01-09 18:18:58,430 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Ended with exit code 0 [2025-01-09 18:18:58,621 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 [2025-01-09 18:18:58,621 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2025-01-09 18:18:58,623 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-09 18:18:58,624 INFO L85 PathProgramCache]: Analyzing trace with hash -2096014832, now seen corresponding path program 1 times [2025-01-09 18:18:58,624 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-01-09 18:18:58,624 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [164361160] [2025-01-09 18:18:58,624 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-09 18:18:58,624 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-09 18:18:58,931 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 45 statements into 1 equivalence classes. [2025-01-09 18:18:58,957 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 45 of 45 statements. [2025-01-09 18:18:58,957 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-09 18:18:58,957 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-09 18:18:59,131 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2025-01-09 18:18:59,132 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-01-09 18:18:59,132 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [164361160] [2025-01-09 18:18:59,132 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [164361160] provided 0 perfect and 1 imperfect interpolant sequences [2025-01-09 18:18:59,132 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [901150215] [2025-01-09 18:18:59,132 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-09 18:18:59,132 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-01-09 18:18:59,132 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-01-09 18:18:59,135 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) [2025-01-09 18:18:59,137 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 [2025-01-09 18:18:59,775 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 45 statements into 1 equivalence classes. [2025-01-09 18:19:00,038 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 45 of 45 statements. [2025-01-09 18:19:00,038 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-09 18:19:00,038 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-09 18:19:00,047 INFO L256 TraceCheckSpWp]: Trace formula consists of 2599 conjuncts, 3 conjuncts are in the unsatisfiable core [2025-01-09 18:19:00,050 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-01-09 18:19:00,059 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2025-01-09 18:19:00,060 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2025-01-09 18:19:00,060 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [901150215] provided 1 perfect and 0 imperfect interpolant sequences [2025-01-09 18:19:00,060 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2025-01-09 18:19:00,060 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [4] total 5 [2025-01-09 18:19:00,060 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1574918983] [2025-01-09 18:19:00,060 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-01-09 18:19:00,060 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2025-01-09 18:19:00,060 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-01-09 18:19:00,061 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2025-01-09 18:19:00,061 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2025-01-09 18:19:00,061 INFO L87 Difference]: Start difference. First operand 1256 states and 1746 transitions. Second operand has 3 states, 3 states have (on average 12.0) internal successors, (36), 3 states have internal predecessors, (36), 2 states have call successors, (4), 2 states have call predecessors, (4), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) [2025-01-09 18:19:00,140 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-01-09 18:19:00,140 INFO L93 Difference]: Finished difference Result 1278 states and 1772 transitions. [2025-01-09 18:19:00,141 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-01-09 18:19:00,141 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 12.0) internal successors, (36), 3 states have internal predecessors, (36), 2 states have call successors, (4), 2 states have call predecessors, (4), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) Word has length 45 [2025-01-09 18:19:00,141 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-01-09 18:19:00,147 INFO L225 Difference]: With dead ends: 1278 [2025-01-09 18:19:00,148 INFO L226 Difference]: Without dead ends: 1267 [2025-01-09 18:19:00,148 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 48 GetRequests, 45 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2025-01-09 18:19:00,149 INFO L435 NwaCegarLoop]: 740 mSDtfsCounter, 723 mSDsluCounter, 13 mSDsCounter, 0 mSdLazyCounter, 4 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 723 SdHoareTripleChecker+Valid, 753 SdHoareTripleChecker+Invalid, 6 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 4 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2025-01-09 18:19:00,149 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [723 Valid, 753 Invalid, 6 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 4 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2025-01-09 18:19:00,150 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1267 states. [2025-01-09 18:19:00,193 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1267 to 1256. [2025-01-09 18:19:00,195 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1256 states, 931 states have (on average 1.351235230934479) internal successors, (1258), 943 states have internal predecessors, (1258), 246 states have call successors, (246), 79 states have call predecessors, (246), 78 states have return successors, (240), 240 states have call predecessors, (240), 240 states have call successors, (240) [2025-01-09 18:19:00,201 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1256 states to 1256 states and 1744 transitions. [2025-01-09 18:19:00,202 INFO L78 Accepts]: Start accepts. Automaton has 1256 states and 1744 transitions. Word has length 45 [2025-01-09 18:19:00,202 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-01-09 18:19:00,202 INFO L471 AbstractCegarLoop]: Abstraction has 1256 states and 1744 transitions. [2025-01-09 18:19:00,202 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 12.0) internal successors, (36), 3 states have internal predecessors, (36), 2 states have call successors, (4), 2 states have call predecessors, (4), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) [2025-01-09 18:19:00,202 INFO L276 IsEmpty]: Start isEmpty. Operand 1256 states and 1744 transitions. [2025-01-09 18:19:00,203 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 46 [2025-01-09 18:19:00,203 INFO L210 NwaCegarLoop]: Found error trace [2025-01-09 18:19:00,203 INFO L218 NwaCegarLoop]: trace histogram [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] [2025-01-09 18:19:00,214 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Ended with exit code 0 [2025-01-09 18:19:00,407 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5,3 /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-01-09 18:19:00,407 INFO L396 AbstractCegarLoop]: === Iteration 7 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2025-01-09 18:19:00,408 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-09 18:19:00,408 INFO L85 PathProgramCache]: Analyzing trace with hash -2038756530, now seen corresponding path program 1 times [2025-01-09 18:19:00,408 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-01-09 18:19:00,408 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1040715840] [2025-01-09 18:19:00,408 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-09 18:19:00,408 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-09 18:19:00,717 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 45 statements into 1 equivalence classes. [2025-01-09 18:19:00,739 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 45 of 45 statements. [2025-01-09 18:19:00,740 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-09 18:19:00,740 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-09 18:19:00,872 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2025-01-09 18:19:00,873 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-01-09 18:19:00,873 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1040715840] [2025-01-09 18:19:00,873 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1040715840] provided 0 perfect and 1 imperfect interpolant sequences [2025-01-09 18:19:00,873 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1321670929] [2025-01-09 18:19:00,873 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-09 18:19:00,873 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-01-09 18:19:00,873 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-01-09 18:19:00,877 INFO L229 MonitoredProcess]: Starting monitored process 4 with /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-01-09 18:19:00,881 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2025-01-09 18:19:01,473 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 45 statements into 1 equivalence classes. [2025-01-09 18:19:01,701 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 45 of 45 statements. [2025-01-09 18:19:01,701 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-09 18:19:01,701 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-09 18:19:01,709 INFO L256 TraceCheckSpWp]: Trace formula consists of 2596 conjuncts, 3 conjuncts are in the unsatisfiable core [2025-01-09 18:19:01,712 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-01-09 18:19:01,778 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2025-01-09 18:19:01,778 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2025-01-09 18:19:01,778 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1321670929] provided 1 perfect and 0 imperfect interpolant sequences [2025-01-09 18:19:01,778 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2025-01-09 18:19:01,778 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [4] total 5 [2025-01-09 18:19:01,778 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1012893018] [2025-01-09 18:19:01,778 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-01-09 18:19:01,778 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2025-01-09 18:19:01,778 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-01-09 18:19:01,779 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2025-01-09 18:19:01,779 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2025-01-09 18:19:01,779 INFO L87 Difference]: Start difference. First operand 1256 states and 1744 transitions. Second operand has 3 states, 3 states have (on average 12.0) internal successors, (36), 3 states have internal predecessors, (36), 2 states have call successors, (4), 2 states have call predecessors, (4), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) [2025-01-09 18:19:05,809 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.03s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2025-01-09 18:19:05,856 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-01-09 18:19:05,857 INFO L93 Difference]: Finished difference Result 1258 states and 1745 transitions. [2025-01-09 18:19:05,857 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-01-09 18:19:05,857 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 12.0) internal successors, (36), 3 states have internal predecessors, (36), 2 states have call successors, (4), 2 states have call predecessors, (4), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) Word has length 45 [2025-01-09 18:19:05,857 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-01-09 18:19:05,863 INFO L225 Difference]: With dead ends: 1258 [2025-01-09 18:19:05,863 INFO L226 Difference]: Without dead ends: 1255 [2025-01-09 18:19:05,864 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 48 GetRequests, 45 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2025-01-09 18:19:05,865 INFO L435 NwaCegarLoop]: 725 mSDtfsCounter, 686 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 1 mSolverCounterSat, 0 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 686 SdHoareTripleChecker+Valid, 725 SdHoareTripleChecker+Invalid, 2 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 1 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.0s IncrementalHoareTripleChecker+Time [2025-01-09 18:19:05,865 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [686 Valid, 725 Invalid, 2 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 1 Invalid, 1 Unknown, 0 Unchecked, 4.0s Time] [2025-01-09 18:19:05,867 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1255 states. [2025-01-09 18:19:05,928 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1255 to 1255. [2025-01-09 18:19:05,930 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1255 states, 931 states have (on average 1.3501611170784102) internal successors, (1257), 942 states have internal predecessors, (1257), 245 states have call successors, (245), 79 states have call predecessors, (245), 78 states have return successors, (240), 240 states have call predecessors, (240), 240 states have call successors, (240) [2025-01-09 18:19:05,937 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1255 states to 1255 states and 1742 transitions. [2025-01-09 18:19:05,940 INFO L78 Accepts]: Start accepts. Automaton has 1255 states and 1742 transitions. Word has length 45 [2025-01-09 18:19:05,941 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-01-09 18:19:05,941 INFO L471 AbstractCegarLoop]: Abstraction has 1255 states and 1742 transitions. [2025-01-09 18:19:05,941 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 12.0) internal successors, (36), 3 states have internal predecessors, (36), 2 states have call successors, (4), 2 states have call predecessors, (4), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) [2025-01-09 18:19:05,941 INFO L276 IsEmpty]: Start isEmpty. Operand 1255 states and 1742 transitions. [2025-01-09 18:19:05,942 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2025-01-09 18:19:05,943 INFO L210 NwaCegarLoop]: Found error trace [2025-01-09 18:19:05,943 INFO L218 NwaCegarLoop]: trace histogram [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] [2025-01-09 18:19:05,956 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Forceful destruction successful, exit code 0 [2025-01-09 18:19:06,143 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6,4 /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-01-09 18:19:06,144 INFO L396 AbstractCegarLoop]: === Iteration 8 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2025-01-09 18:19:06,144 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-09 18:19:06,144 INFO L85 PathProgramCache]: Analyzing trace with hash 1222830710, now seen corresponding path program 1 times [2025-01-09 18:19:06,144 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-01-09 18:19:06,144 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1383760137] [2025-01-09 18:19:06,144 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-09 18:19:06,144 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-09 18:19:06,409 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 46 statements into 1 equivalence classes. [2025-01-09 18:19:06,430 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 46 of 46 statements. [2025-01-09 18:19:06,431 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-09 18:19:06,431 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-09 18:19:06,586 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2025-01-09 18:19:06,586 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-01-09 18:19:06,586 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1383760137] [2025-01-09 18:19:06,586 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1383760137] provided 0 perfect and 1 imperfect interpolant sequences [2025-01-09 18:19:06,586 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [412684067] [2025-01-09 18:19:06,587 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-09 18:19:06,587 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-01-09 18:19:06,588 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-01-09 18:19:06,593 INFO L229 MonitoredProcess]: Starting monitored process 5 with /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-01-09 18:19:06,596 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2025-01-09 18:19:07,234 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 46 statements into 1 equivalence classes. [2025-01-09 18:19:07,478 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 46 of 46 statements. [2025-01-09 18:19:07,478 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-09 18:19:07,478 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-09 18:19:07,488 INFO L256 TraceCheckSpWp]: Trace formula consists of 2598 conjuncts, 3 conjuncts are in the unsatisfiable core [2025-01-09 18:19:07,490 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-01-09 18:19:07,553 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2025-01-09 18:19:07,554 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2025-01-09 18:19:07,554 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [412684067] provided 1 perfect and 0 imperfect interpolant sequences [2025-01-09 18:19:07,554 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2025-01-09 18:19:07,554 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [4] total 5 [2025-01-09 18:19:07,554 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [748077028] [2025-01-09 18:19:07,554 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-01-09 18:19:07,554 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2025-01-09 18:19:07,554 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-01-09 18:19:07,555 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2025-01-09 18:19:07,555 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2025-01-09 18:19:07,555 INFO L87 Difference]: Start difference. First operand 1255 states and 1742 transitions. Second operand has 3 states, 3 states have (on average 12.333333333333334) internal successors, (37), 3 states have internal predecessors, (37), 2 states have call successors, (4), 2 states have call predecessors, (4), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) [2025-01-09 18:19:11,588 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.03s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2025-01-09 18:19:11,625 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-01-09 18:19:11,625 INFO L93 Difference]: Finished difference Result 1257 states and 1743 transitions. [2025-01-09 18:19:11,626 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-01-09 18:19:11,626 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 12.333333333333334) internal successors, (37), 3 states have internal predecessors, (37), 2 states have call successors, (4), 2 states have call predecessors, (4), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) Word has length 46 [2025-01-09 18:19:11,626 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-01-09 18:19:11,632 INFO L225 Difference]: With dead ends: 1257 [2025-01-09 18:19:11,632 INFO L226 Difference]: Without dead ends: 1254 [2025-01-09 18:19:11,632 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 49 GetRequests, 46 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2025-01-09 18:19:11,633 INFO L435 NwaCegarLoop]: 723 mSDtfsCounter, 683 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 1 mSolverCounterSat, 0 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 683 SdHoareTripleChecker+Valid, 723 SdHoareTripleChecker+Invalid, 2 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 1 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.0s IncrementalHoareTripleChecker+Time [2025-01-09 18:19:11,634 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [683 Valid, 723 Invalid, 2 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 1 Invalid, 1 Unknown, 0 Unchecked, 4.0s Time] [2025-01-09 18:19:11,635 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1254 states. [2025-01-09 18:19:11,663 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1254 to 1254. [2025-01-09 18:19:11,666 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1254 states, 931 states have (on average 1.3490870032223417) internal successors, (1256), 941 states have internal predecessors, (1256), 244 states have call successors, (244), 79 states have call predecessors, (244), 78 states have return successors, (240), 240 states have call predecessors, (240), 240 states have call successors, (240) [2025-01-09 18:19:11,669 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1254 states to 1254 states and 1740 transitions. [2025-01-09 18:19:11,671 INFO L78 Accepts]: Start accepts. Automaton has 1254 states and 1740 transitions. Word has length 46 [2025-01-09 18:19:11,672 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-01-09 18:19:11,672 INFO L471 AbstractCegarLoop]: Abstraction has 1254 states and 1740 transitions. [2025-01-09 18:19:11,672 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 12.333333333333334) internal successors, (37), 3 states have internal predecessors, (37), 2 states have call successors, (4), 2 states have call predecessors, (4), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) [2025-01-09 18:19:11,672 INFO L276 IsEmpty]: Start isEmpty. Operand 1254 states and 1740 transitions. [2025-01-09 18:19:11,672 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2025-01-09 18:19:11,673 INFO L210 NwaCegarLoop]: Found error trace [2025-01-09 18:19:11,673 INFO L218 NwaCegarLoop]: trace histogram [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] [2025-01-09 18:19:11,684 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Forceful destruction successful, exit code 0 [2025-01-09 18:19:11,873 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable7 [2025-01-09 18:19:11,874 INFO L396 AbstractCegarLoop]: === Iteration 9 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2025-01-09 18:19:11,874 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-09 18:19:11,875 INFO L85 PathProgramCache]: Analyzing trace with hash -747175087, now seen corresponding path program 1 times [2025-01-09 18:19:11,875 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-01-09 18:19:11,875 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2025233260] [2025-01-09 18:19:11,875 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-09 18:19:11,875 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-09 18:19:12,160 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 47 statements into 1 equivalence classes. [2025-01-09 18:19:12,183 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 47 of 47 statements. [2025-01-09 18:19:12,183 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-09 18:19:12,183 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-09 18:19:12,318 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2025-01-09 18:19:12,319 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-01-09 18:19:12,319 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2025233260] [2025-01-09 18:19:12,319 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2025233260] provided 0 perfect and 1 imperfect interpolant sequences [2025-01-09 18:19:12,319 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1405880832] [2025-01-09 18:19:12,319 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-09 18:19:12,319 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-01-09 18:19:12,319 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-01-09 18:19:12,324 INFO L229 MonitoredProcess]: Starting monitored process 6 with /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-01-09 18:19:12,327 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2025-01-09 18:19:12,890 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 47 statements into 1 equivalence classes. [2025-01-09 18:19:13,096 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 47 of 47 statements. [2025-01-09 18:19:13,096 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-09 18:19:13,097 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-09 18:19:13,104 INFO L256 TraceCheckSpWp]: Trace formula consists of 2600 conjuncts, 3 conjuncts are in the unsatisfiable core [2025-01-09 18:19:13,110 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-01-09 18:19:13,166 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2025-01-09 18:19:13,167 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2025-01-09 18:19:13,167 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1405880832] provided 1 perfect and 0 imperfect interpolant sequences [2025-01-09 18:19:13,167 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2025-01-09 18:19:13,167 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [4] total 5 [2025-01-09 18:19:13,167 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1821248341] [2025-01-09 18:19:13,167 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-01-09 18:19:13,167 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2025-01-09 18:19:13,168 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-01-09 18:19:13,168 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2025-01-09 18:19:13,168 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2025-01-09 18:19:13,168 INFO L87 Difference]: Start difference. First operand 1254 states and 1740 transitions. Second operand has 3 states, 3 states have (on average 12.666666666666666) internal successors, (38), 3 states have internal predecessors, (38), 2 states have call successors, (4), 2 states have call predecessors, (4), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) [2025-01-09 18:19:17,198 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.03s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2025-01-09 18:19:17,235 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-01-09 18:19:17,236 INFO L93 Difference]: Finished difference Result 1256 states and 1741 transitions. [2025-01-09 18:19:17,236 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-01-09 18:19:17,236 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 12.666666666666666) internal successors, (38), 3 states have internal predecessors, (38), 2 states have call successors, (4), 2 states have call predecessors, (4), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) Word has length 47 [2025-01-09 18:19:17,236 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-01-09 18:19:17,242 INFO L225 Difference]: With dead ends: 1256 [2025-01-09 18:19:17,242 INFO L226 Difference]: Without dead ends: 1253 [2025-01-09 18:19:17,242 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 50 GetRequests, 47 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2025-01-09 18:19:17,243 INFO L435 NwaCegarLoop]: 721 mSDtfsCounter, 680 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 1 mSolverCounterSat, 0 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 680 SdHoareTripleChecker+Valid, 721 SdHoareTripleChecker+Invalid, 2 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 1 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.0s IncrementalHoareTripleChecker+Time [2025-01-09 18:19:17,243 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [680 Valid, 721 Invalid, 2 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 1 Invalid, 1 Unknown, 0 Unchecked, 4.0s Time] [2025-01-09 18:19:17,244 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1253 states. [2025-01-09 18:19:17,311 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1253 to 1253. [2025-01-09 18:19:17,313 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1253 states, 931 states have (on average 1.3480128893662728) internal successors, (1255), 940 states have internal predecessors, (1255), 243 states have call successors, (243), 79 states have call predecessors, (243), 78 states have return successors, (240), 240 states have call predecessors, (240), 240 states have call successors, (240) [2025-01-09 18:19:17,317 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1253 states to 1253 states and 1738 transitions. [2025-01-09 18:19:17,318 INFO L78 Accepts]: Start accepts. Automaton has 1253 states and 1738 transitions. Word has length 47 [2025-01-09 18:19:17,318 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-01-09 18:19:17,319 INFO L471 AbstractCegarLoop]: Abstraction has 1253 states and 1738 transitions. [2025-01-09 18:19:17,319 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 12.666666666666666) internal successors, (38), 3 states have internal predecessors, (38), 2 states have call successors, (4), 2 states have call predecessors, (4), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) [2025-01-09 18:19:17,319 INFO L276 IsEmpty]: Start isEmpty. Operand 1253 states and 1738 transitions. [2025-01-09 18:19:17,319 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 49 [2025-01-09 18:19:17,319 INFO L210 NwaCegarLoop]: Found error trace [2025-01-09 18:19:17,319 INFO L218 NwaCegarLoop]: trace histogram [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] [2025-01-09 18:19:17,334 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Ended with exit code 0 [2025-01-09 18:19:17,520 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8,6 /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-01-09 18:19:17,521 INFO L396 AbstractCegarLoop]: === Iteration 10 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2025-01-09 18:19:17,521 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-09 18:19:17,521 INFO L85 PathProgramCache]: Analyzing trace with hash -1687807783, now seen corresponding path program 1 times [2025-01-09 18:19:17,521 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-01-09 18:19:17,521 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [885960834] [2025-01-09 18:19:17,521 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-09 18:19:17,521 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-09 18:19:17,777 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 48 statements into 1 equivalence classes. [2025-01-09 18:19:17,798 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 48 of 48 statements. [2025-01-09 18:19:17,798 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-09 18:19:17,801 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-09 18:19:17,960 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2025-01-09 18:19:17,960 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-01-09 18:19:17,960 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [885960834] [2025-01-09 18:19:17,960 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [885960834] provided 0 perfect and 1 imperfect interpolant sequences [2025-01-09 18:19:17,960 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [51385091] [2025-01-09 18:19:17,960 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-09 18:19:17,960 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-01-09 18:19:17,960 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-01-09 18:19:17,962 INFO L229 MonitoredProcess]: Starting monitored process 7 with /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-01-09 18:19:17,964 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Waiting until timeout for monitored process [2025-01-09 18:19:18,573 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 48 statements into 1 equivalence classes. [2025-01-09 18:19:18,800 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 48 of 48 statements. [2025-01-09 18:19:18,800 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-09 18:19:18,800 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-09 18:19:18,808 INFO L256 TraceCheckSpWp]: Trace formula consists of 2602 conjuncts, 3 conjuncts are in the unsatisfiable core [2025-01-09 18:19:18,811 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-01-09 18:19:18,866 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2025-01-09 18:19:18,866 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2025-01-09 18:19:18,866 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [51385091] provided 1 perfect and 0 imperfect interpolant sequences [2025-01-09 18:19:18,866 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2025-01-09 18:19:18,866 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [4] total 5 [2025-01-09 18:19:18,866 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [832717822] [2025-01-09 18:19:18,866 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-01-09 18:19:18,866 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2025-01-09 18:19:18,866 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-01-09 18:19:18,866 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2025-01-09 18:19:18,867 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2025-01-09 18:19:18,867 INFO L87 Difference]: Start difference. First operand 1253 states and 1738 transitions. Second operand has 3 states, 3 states have (on average 13.0) internal successors, (39), 3 states have internal predecessors, (39), 2 states have call successors, (4), 2 states have call predecessors, (4), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) [2025-01-09 18:19:22,896 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.03s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2025-01-09 18:19:22,960 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-01-09 18:19:22,960 INFO L93 Difference]: Finished difference Result 1677 states and 2306 transitions. [2025-01-09 18:19:22,961 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-01-09 18:19:22,961 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 13.0) internal successors, (39), 3 states have internal predecessors, (39), 2 states have call successors, (4), 2 states have call predecessors, (4), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) Word has length 48 [2025-01-09 18:19:22,961 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-01-09 18:19:22,967 INFO L225 Difference]: With dead ends: 1677 [2025-01-09 18:19:22,967 INFO L226 Difference]: Without dead ends: 1640 [2025-01-09 18:19:22,968 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 51 GetRequests, 48 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2025-01-09 18:19:22,968 INFO L435 NwaCegarLoop]: 786 mSDtfsCounter, 635 mSDsluCounter, 340 mSDsCounter, 0 mSdLazyCounter, 4 mSolverCounterSat, 2 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 635 SdHoareTripleChecker+Valid, 1126 SdHoareTripleChecker+Invalid, 7 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 4 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.1s IncrementalHoareTripleChecker+Time [2025-01-09 18:19:22,969 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [635 Valid, 1126 Invalid, 7 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 4 Invalid, 1 Unknown, 0 Unchecked, 4.1s Time] [2025-01-09 18:19:22,970 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1640 states. [2025-01-09 18:19:23,017 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1640 to 1640. [2025-01-09 18:19:23,019 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1640 states, 1196 states have (on average 1.330267558528428) internal successors, (1591), 1207 states have internal predecessors, (1591), 334 states have call successors, (334), 110 states have call predecessors, (334), 109 states have return successors, (333), 333 states have call predecessors, (333), 333 states have call successors, (333) [2025-01-09 18:19:23,022 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1640 states to 1640 states and 2258 transitions. [2025-01-09 18:19:23,024 INFO L78 Accepts]: Start accepts. Automaton has 1640 states and 2258 transitions. Word has length 48 [2025-01-09 18:19:23,024 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-01-09 18:19:23,024 INFO L471 AbstractCegarLoop]: Abstraction has 1640 states and 2258 transitions. [2025-01-09 18:19:23,024 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 13.0) internal successors, (39), 3 states have internal predecessors, (39), 2 states have call successors, (4), 2 states have call predecessors, (4), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) [2025-01-09 18:19:23,024 INFO L276 IsEmpty]: Start isEmpty. Operand 1640 states and 2258 transitions. [2025-01-09 18:19:23,025 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 76 [2025-01-09 18:19:23,025 INFO L210 NwaCegarLoop]: Found error trace [2025-01-09 18:19:23,025 INFO L218 NwaCegarLoop]: trace histogram [3, 3, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-01-09 18:19:23,036 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Forceful destruction successful, exit code 0 [2025-01-09 18:19:23,226 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 7 /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable9 [2025-01-09 18:19:23,226 INFO L396 AbstractCegarLoop]: === Iteration 11 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2025-01-09 18:19:23,226 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-09 18:19:23,226 INFO L85 PathProgramCache]: Analyzing trace with hash -300997162, now seen corresponding path program 1 times [2025-01-09 18:19:23,226 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-01-09 18:19:23,226 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [311998084] [2025-01-09 18:19:23,226 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-09 18:19:23,226 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-09 18:19:23,575 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 75 statements into 1 equivalence classes. [2025-01-09 18:19:23,598 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 75 of 75 statements. [2025-01-09 18:19:23,598 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-09 18:19:23,598 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-09 18:19:23,766 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2025-01-09 18:19:23,766 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-01-09 18:19:23,766 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [311998084] [2025-01-09 18:19:23,766 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [311998084] provided 0 perfect and 1 imperfect interpolant sequences [2025-01-09 18:19:23,766 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2035165614] [2025-01-09 18:19:23,766 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-09 18:19:23,766 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-01-09 18:19:23,766 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-01-09 18:19:23,770 INFO L229 MonitoredProcess]: Starting monitored process 8 with /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-01-09 18:19:23,771 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Waiting until timeout for monitored process [2025-01-09 18:19:24,399 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 75 statements into 1 equivalence classes. [2025-01-09 18:19:24,635 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 75 of 75 statements. [2025-01-09 18:19:24,636 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-09 18:19:24,636 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-09 18:19:24,644 INFO L256 TraceCheckSpWp]: Trace formula consists of 2818 conjuncts, 2 conjuncts are in the unsatisfiable core [2025-01-09 18:19:24,647 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-01-09 18:19:24,658 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2025-01-09 18:19:24,658 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2025-01-09 18:19:24,658 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2035165614] provided 1 perfect and 0 imperfect interpolant sequences [2025-01-09 18:19:24,658 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2025-01-09 18:19:24,658 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [4] total 5 [2025-01-09 18:19:24,659 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1177105505] [2025-01-09 18:19:24,659 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-01-09 18:19:24,659 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2025-01-09 18:19:24,659 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-01-09 18:19:24,659 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2025-01-09 18:19:24,659 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2025-01-09 18:19:24,659 INFO L87 Difference]: Start difference. First operand 1640 states and 2258 transitions. Second operand has 3 states, 3 states have (on average 20.0) internal successors, (60), 3 states have internal predecessors, (60), 2 states have call successors, (6), 2 states have call predecessors, (6), 2 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) [2025-01-09 18:19:24,733 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-01-09 18:19:24,733 INFO L93 Difference]: Finished difference Result 3294 states and 4538 transitions. [2025-01-09 18:19:24,734 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-01-09 18:19:24,734 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 20.0) internal successors, (60), 3 states have internal predecessors, (60), 2 states have call successors, (6), 2 states have call predecessors, (6), 2 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) Word has length 75 [2025-01-09 18:19:24,734 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-01-09 18:19:24,741 INFO L225 Difference]: With dead ends: 3294 [2025-01-09 18:19:24,741 INFO L226 Difference]: Without dead ends: 1657 [2025-01-09 18:19:24,745 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 78 GetRequests, 75 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2025-01-09 18:19:24,745 INFO L435 NwaCegarLoop]: 676 mSDtfsCounter, 17 mSDsluCounter, 667 mSDsCounter, 0 mSdLazyCounter, 25 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 19 SdHoareTripleChecker+Valid, 1343 SdHoareTripleChecker+Invalid, 28 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 25 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2025-01-09 18:19:24,745 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [19 Valid, 1343 Invalid, 28 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 25 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2025-01-09 18:19:24,747 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1657 states. [2025-01-09 18:19:24,815 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1657 to 1642. [2025-01-09 18:19:24,818 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1642 states, 1198 states have (on average 1.3297161936560935) internal successors, (1593), 1209 states have internal predecessors, (1593), 334 states have call successors, (334), 110 states have call predecessors, (334), 109 states have return successors, (333), 333 states have call predecessors, (333), 333 states have call successors, (333) [2025-01-09 18:19:24,822 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1642 states to 1642 states and 2260 transitions. [2025-01-09 18:19:24,824 INFO L78 Accepts]: Start accepts. Automaton has 1642 states and 2260 transitions. Word has length 75 [2025-01-09 18:19:24,824 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-01-09 18:19:24,824 INFO L471 AbstractCegarLoop]: Abstraction has 1642 states and 2260 transitions. [2025-01-09 18:19:24,824 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 20.0) internal successors, (60), 3 states have internal predecessors, (60), 2 states have call successors, (6), 2 states have call predecessors, (6), 2 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) [2025-01-09 18:19:24,824 INFO L276 IsEmpty]: Start isEmpty. Operand 1642 states and 2260 transitions. [2025-01-09 18:19:24,825 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 80 [2025-01-09 18:19:24,825 INFO L210 NwaCegarLoop]: Found error trace [2025-01-09 18:19:24,826 INFO L218 NwaCegarLoop]: trace histogram [3, 3, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-01-09 18:19:24,839 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Forceful destruction successful, exit code 0 [2025-01-09 18:19:25,026 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10,8 /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-01-09 18:19:25,026 INFO L396 AbstractCegarLoop]: === Iteration 12 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2025-01-09 18:19:25,027 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-09 18:19:25,027 INFO L85 PathProgramCache]: Analyzing trace with hash -559058879, now seen corresponding path program 1 times [2025-01-09 18:19:25,027 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-01-09 18:19:25,027 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1715975187] [2025-01-09 18:19:25,027 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-09 18:19:25,027 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-09 18:19:25,307 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 79 statements into 1 equivalence classes. [2025-01-09 18:19:25,322 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 79 of 79 statements. [2025-01-09 18:19:25,322 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-09 18:19:25,322 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-09 18:19:25,447 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2025-01-09 18:19:25,448 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-01-09 18:19:25,448 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1715975187] [2025-01-09 18:19:25,448 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1715975187] provided 0 perfect and 1 imperfect interpolant sequences [2025-01-09 18:19:25,448 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1128063708] [2025-01-09 18:19:25,449 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-09 18:19:25,449 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-01-09 18:19:25,449 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-01-09 18:19:25,451 INFO L229 MonitoredProcess]: Starting monitored process 9 with /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-01-09 18:19:25,454 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Waiting until timeout for monitored process [2025-01-09 18:19:26,139 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 79 statements into 1 equivalence classes. [2025-01-09 18:19:26,365 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 79 of 79 statements. [2025-01-09 18:19:26,365 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-09 18:19:26,365 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-09 18:19:26,374 INFO L256 TraceCheckSpWp]: Trace formula consists of 2829 conjuncts, 3 conjuncts are in the unsatisfiable core [2025-01-09 18:19:26,377 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-01-09 18:19:26,395 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 13 trivial. 0 not checked. [2025-01-09 18:19:26,395 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2025-01-09 18:19:26,395 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1128063708] provided 1 perfect and 0 imperfect interpolant sequences [2025-01-09 18:19:26,395 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2025-01-09 18:19:26,395 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [4] total 5 [2025-01-09 18:19:26,395 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1353260561] [2025-01-09 18:19:26,395 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-01-09 18:19:26,395 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2025-01-09 18:19:26,395 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-01-09 18:19:26,396 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2025-01-09 18:19:26,396 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2025-01-09 18:19:26,396 INFO L87 Difference]: Start difference. First operand 1642 states and 2260 transitions. Second operand has 3 states, 3 states have (on average 21.0) internal successors, (63), 3 states have internal predecessors, (63), 3 states have call successors, (6), 3 states have call predecessors, (6), 2 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) [2025-01-09 18:19:30,441 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.04s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2025-01-09 18:19:30,498 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-01-09 18:19:30,499 INFO L93 Difference]: Finished difference Result 1642 states and 2260 transitions. [2025-01-09 18:19:30,499 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-01-09 18:19:30,499 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 21.0) internal successors, (63), 3 states have internal predecessors, (63), 3 states have call successors, (6), 3 states have call predecessors, (6), 2 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) Word has length 79 [2025-01-09 18:19:30,499 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-01-09 18:19:30,501 INFO L225 Difference]: With dead ends: 1642 [2025-01-09 18:19:30,501 INFO L226 Difference]: Without dead ends: 0 [2025-01-09 18:19:30,504 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 82 GetRequests, 79 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2025-01-09 18:19:30,505 INFO L435 NwaCegarLoop]: 915 mSDtfsCounter, 330 mSDsluCounter, 641 mSDsCounter, 0 mSdLazyCounter, 4 mSolverCounterSat, 0 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 330 SdHoareTripleChecker+Valid, 1556 SdHoareTripleChecker+Invalid, 5 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 4 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.1s IncrementalHoareTripleChecker+Time [2025-01-09 18:19:30,505 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [330 Valid, 1556 Invalid, 5 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 4 Invalid, 1 Unknown, 0 Unchecked, 4.1s Time] [2025-01-09 18:19:30,506 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2025-01-09 18:19:30,506 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2025-01-09 18:19:30,506 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 0 states, 0 states have (on average 0.0) internal successors, (0), 0 states have internal predecessors, (0), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-01-09 18:19:30,506 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2025-01-09 18:19:30,507 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 79 [2025-01-09 18:19:30,507 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-01-09 18:19:30,507 INFO L471 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2025-01-09 18:19:30,507 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 21.0) internal successors, (63), 3 states have internal predecessors, (63), 3 states have call successors, (6), 3 states have call predecessors, (6), 2 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) [2025-01-09 18:19:30,508 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2025-01-09 18:19:30,508 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2025-01-09 18:19:30,510 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2025-01-09 18:19:30,523 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Forceful destruction successful, exit code 0 [2025-01-09 18:19:30,711 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11,9 /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-01-09 18:19:30,714 INFO L422 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-01-09 18:19:30,715 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2025-01-09 18:19:40,714 INFO L170 ceAbstractionStarter]: Computing trace abstraction results [2025-01-09 18:19:40,737 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 09.01 06:19:40 BoogieIcfgContainer [2025-01-09 18:19:40,737 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2025-01-09 18:19:40,739 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2025-01-09 18:19:40,739 INFO L270 PluginConnector]: Initializing Witness Printer... [2025-01-09 18:19:40,739 INFO L274 PluginConnector]: Witness Printer initialized [2025-01-09 18:19:40,739 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.01 06:18:49" (3/4) ... [2025-01-09 18:19:40,741 INFO L146 WitnessPrinter]: Generating witness for correct program [2025-01-09 18:19:40,745 INFO L362 RCFGBacktranslator]: Ignoring RootEdge to procedure copy_from_user [2025-01-09 18:19:40,745 INFO L362 RCFGBacktranslator]: Ignoring RootEdge to procedure pi_release [2025-01-09 18:19:40,745 INFO L362 RCFGBacktranslator]: Ignoring RootEdge to procedure pi_init [2025-01-09 18:19:40,745 INFO L362 RCFGBacktranslator]: Ignoring RootEdge to procedure write_reg [2025-01-09 18:19:40,746 INFO L362 RCFGBacktranslator]: Ignoring RootEdge to procedure pg_sleep [2025-01-09 18:19:40,746 INFO L362 RCFGBacktranslator]: Ignoring RootEdge to procedure pi_read_regr [2025-01-09 18:19:40,746 INFO L362 RCFGBacktranslator]: Ignoring RootEdge to procedure might_fault [2025-01-09 18:19:40,746 INFO L362 RCFGBacktranslator]: Ignoring RootEdge to procedure printk [2025-01-09 18:19:40,746 INFO L362 RCFGBacktranslator]: Ignoring RootEdge to procedure pi_disconnect [2025-01-09 18:19:40,746 INFO L362 RCFGBacktranslator]: Ignoring RootEdge to procedure pg_probe [2025-01-09 18:19:40,746 INFO L362 RCFGBacktranslator]: Ignoring RootEdge to procedure status_reg [2025-01-09 18:19:40,746 INFO L362 RCFGBacktranslator]: Ignoring RootEdge to procedure pg_completion [2025-01-09 18:19:40,746 INFO L362 RCFGBacktranslator]: Ignoring RootEdge to procedure ldv_unregister_chrdev_11 [2025-01-09 18:19:40,746 INFO L362 RCFGBacktranslator]: Ignoring RootEdge to procedure DRIVE [2025-01-09 18:19:40,746 INFO L362 RCFGBacktranslator]: Ignoring RootEdge to procedure mutex_unlock [2025-01-09 18:19:40,746 INFO L362 RCFGBacktranslator]: Ignoring RootEdge to procedure copy_to_user [2025-01-09 18:19:40,746 INFO L362 RCFGBacktranslator]: Ignoring RootEdge to procedure pg_wait [2025-01-09 18:19:40,746 INFO L362 RCFGBacktranslator]: Ignoring RootEdge to procedure ldv_error [2025-01-09 18:19:40,746 INFO L362 RCFGBacktranslator]: Ignoring RootEdge to procedure pg_write [2025-01-09 18:19:40,746 INFO L362 RCFGBacktranslator]: Ignoring RootEdge to procedure pi_connect [2025-01-09 18:19:40,746 INFO L362 RCFGBacktranslator]: Ignoring RootEdge to procedure pg_command [2025-01-09 18:19:40,746 INFO L362 RCFGBacktranslator]: Ignoring RootEdge to procedure ldv__builtin_expect [2025-01-09 18:19:40,746 INFO L362 RCFGBacktranslator]: Ignoring RootEdge to procedure clear_bit [2025-01-09 18:19:40,746 INFO L362 RCFGBacktranslator]: Ignoring RootEdge to procedure read_reg [2025-01-09 18:19:40,746 INFO L362 RCFGBacktranslator]: Ignoring RootEdge to procedure pg_reset [2025-01-09 18:19:40,746 INFO L362 RCFGBacktranslator]: Ignoring RootEdge to procedure ldv_malloc [2025-01-09 18:19:40,746 INFO L362 RCFGBacktranslator]: Ignoring RootEdge to procedure mutex_lock [2025-01-09 18:19:40,746 INFO L362 RCFGBacktranslator]: Ignoring RootEdge to procedure _copy_from_user [2025-01-09 18:19:40,746 INFO L362 RCFGBacktranslator]: Ignoring RootEdge to procedure xs [2025-01-09 18:19:40,746 INFO L362 RCFGBacktranslator]: Ignoring RootEdge to procedure pg_identify [2025-01-09 18:19:40,746 INFO L362 RCFGBacktranslator]: Ignoring RootEdge to procedure pi_write_block [2025-01-09 18:19:40,771 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 212 nodes and edges [2025-01-09 18:19:40,773 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 96 nodes and edges [2025-01-09 18:19:40,775 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 33 nodes and edges [2025-01-09 18:19:40,777 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 13 nodes and edges [2025-01-09 18:19:40,779 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2025-01-09 18:19:40,781 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2025-01-09 18:19:40,783 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2025-01-09 18:19:40,942 INFO L149 WitnessManager]: Wrote witness to /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/witness.graphml [2025-01-09 18:19:40,943 INFO L149 WitnessManager]: Wrote witness to /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/witness.yml [2025-01-09 18:19:40,943 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2025-01-09 18:19:40,944 INFO L158 Benchmark]: Toolchain (without parser) took 59564.70ms. Allocated memory was 142.6MB in the beginning and 1.1GB in the end (delta: 922.7MB). Free memory was 101.5MB in the beginning and 418.4MB in the end (delta: -316.8MB). Peak memory consumption was 603.0MB. Max. memory is 16.1GB. [2025-01-09 18:19:40,944 INFO L158 Benchmark]: CDTParser took 0.19ms. Allocated memory is still 201.3MB. Free memory is still 116.0MB. There was no memory consumed. Max. memory is 16.1GB. [2025-01-09 18:19:40,944 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1101.75ms. Allocated memory is still 142.6MB. Free memory was 101.5MB in the beginning and 83.9MB in the end (delta: 17.7MB). Peak memory consumption was 83.8MB. Max. memory is 16.1GB. [2025-01-09 18:19:40,944 INFO L158 Benchmark]: Boogie Procedure Inliner took 95.39ms. Allocated memory is still 142.6MB. Free memory was 83.9MB in the beginning and 70.1MB in the end (delta: 13.7MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2025-01-09 18:19:40,944 INFO L158 Benchmark]: Boogie Preprocessor took 196.22ms. Allocated memory is still 142.6MB. Free memory was 70.1MB in the beginning and 45.5MB in the end (delta: 24.6MB). Peak memory consumption was 25.2MB. Max. memory is 16.1GB. [2025-01-09 18:19:40,944 INFO L158 Benchmark]: RCFGBuilder took 6439.37ms. Allocated memory was 142.6MB in the beginning and 385.9MB in the end (delta: 243.3MB). Free memory was 45.5MB in the beginning and 180.1MB in the end (delta: -134.5MB). Peak memory consumption was 124.3MB. Max. memory is 16.1GB. [2025-01-09 18:19:40,945 INFO L158 Benchmark]: TraceAbstraction took 51519.05ms. Allocated memory was 385.9MB in the beginning and 1.1GB in the end (delta: 679.5MB). Free memory was 179.3MB in the beginning and 451.6MB in the end (delta: -272.3MB). Peak memory consumption was 500.5MB. Max. memory is 16.1GB. [2025-01-09 18:19:40,945 INFO L158 Benchmark]: Witness Printer took 204.48ms. Allocated memory is still 1.1GB. Free memory was 451.6MB in the beginning and 418.4MB in the end (delta: 33.3MB). Peak memory consumption was 33.6MB. Max. memory is 16.1GB. [2025-01-09 18:19:40,946 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.19ms. Allocated memory is still 201.3MB. Free memory is still 116.0MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1101.75ms. Allocated memory is still 142.6MB. Free memory was 101.5MB in the beginning and 83.9MB in the end (delta: 17.7MB). Peak memory consumption was 83.8MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 95.39ms. Allocated memory is still 142.6MB. Free memory was 83.9MB in the beginning and 70.1MB in the end (delta: 13.7MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Preprocessor took 196.22ms. Allocated memory is still 142.6MB. Free memory was 70.1MB in the beginning and 45.5MB in the end (delta: 24.6MB). Peak memory consumption was 25.2MB. Max. memory is 16.1GB. * RCFGBuilder took 6439.37ms. Allocated memory was 142.6MB in the beginning and 385.9MB in the end (delta: 243.3MB). Free memory was 45.5MB in the beginning and 180.1MB in the end (delta: -134.5MB). Peak memory consumption was 124.3MB. Max. memory is 16.1GB. * TraceAbstraction took 51519.05ms. Allocated memory was 385.9MB in the beginning and 1.1GB in the end (delta: 679.5MB). Free memory was 179.3MB in the beginning and 451.6MB in the end (delta: -272.3MB). Peak memory consumption was 500.5MB. Max. memory is 16.1GB. * Witness Printer took 204.48ms. Allocated memory is still 1.1GB. Free memory was 451.6MB in the beginning and 418.4MB in the end (delta: 33.3MB). Peak memory consumption was 33.6MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - GenericResultAtLocation [Line: 2808]: Unsoundness Warning Ignoring inline assembler instruction C: __asm__ volatile (".pushsection .smp_locks,\"a\"\n.balign 4\n.long 671f - .\n.popsection\n671:\n\tlock; btr %1,%0": "+m" (*((long volatile *)addr)): "Ir" (nr)); [2808] - GenericResultAtLocation [Line: 2815]: Unsoundness Warning Ignoring inline assembler instruction C: __asm__ volatile (".pushsection .smp_locks,\"a\"\n.balign 4\n.long 671f - .\n.popsection\n671:\n\tlock; bts %2,%1\n\tsbb %0,%0": "=r" (oldbit), "+m" (*((long volatile *)addr)): "Ir" (nr): "memory"); [2815-2816] * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - PositiveResult [Line: 4044]: a call to reach_error is unreachable For all program executions holds that a call to reach_error is unreachable at this location - StatisticsResult: Ultimate Automizer benchmark data CFG has 32 procedures, 529 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 41.4s, OverallIterations: 12, TraceHistogramMax: 3, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 25.3s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 6 mSolverCounterUnknown, 5644 SdHoareTripleChecker+Valid, 24.5s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 5635 mSDsluCounter, 13854 SdHoareTripleChecker+Invalid, 24.4s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 4370 mSDsCounter, 14 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 91 IncrementalHoareTripleChecker+Invalid, 111 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 14 mSolverCounterUnsat, 9484 mSDtfsCounter, 91 mSolverCounterSat, 0.1s SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 460 GetRequests, 432 SyntacticMatches, 0 SemanticMatches, 28 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 8 ImplicationChecksByTransitivity, 0.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=1642occurred in iteration=11, InterpolantAutomatonStates: 36, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.7s AutomataMinimizationTime, 12 MinimizatonAttempts, 70 StatesRemovedByMinimization, 5 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.5s SsaConstructionTime, 2.4s SatisfiabilityAnalysisTime, 2.4s InterpolantComputationTime, 940 NumberOfCodeBlocks, 940 NumberOfCodeBlocksAsserted, 20 NumberOfCheckSat, 920 ConstructedInterpolants, 0 QuantifiedInterpolants, 1456 SizeOfPredicates, 0 NumberOfNonLiveVariables, 21223 ConjunctsInSsa, 23 ConjunctsInUnsatCore, 20 InterpolantComputations, 12 PerfectInterpolantSequences, 84/92 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available, ConComCheckerStatistics: No data available - AllSpecificationsHoldResult: All specifications hold 1 specifications checked. All of them hold - InvariantResult [Line: 3770]: Location Invariant Derived location invariant: (((((((ldv_state_variable_0 == 1) && (1 == ldv_mutex_mutex_of_device)) && (disable == 0)) && (ldv_retval_1 == 0)) && (ldv_mutex_lock == 1)) && (ldv_mutex_pg_mutex == 1)) && (ldv_mutex_cred_guard_mutex_of_signal_struct == 1)) - InvariantResult [Line: 3092]: Location Invariant Derived location invariant: (((((((1 == ldv_mutex_mutex_of_device) && (disable == 0)) && (ldv_retval_1 == 0)) && (ldv_mutex_lock == 1)) && (ldv_mutex_cred_guard_mutex_of_signal_struct == 1)) && (ldv_mutex_pg_mutex == 2)) || ((((((1 == ldv_mutex_mutex_of_device) && (disable == 0)) && (ldv_retval_1 == 0)) && (ldv_mutex_lock == 1)) && (ldv_mutex_pg_mutex == 1)) && (ldv_mutex_cred_guard_mutex_of_signal_struct == 1))) - InvariantResult [Line: 3033]: Loop Invariant Derived loop invariant: (((((((ldv_state_variable_0 == 1) && (1 == ldv_mutex_mutex_of_device)) && (disable == 0)) && (ldv_retval_1 == 0)) && (ldv_mutex_lock == 1)) && (ldv_mutex_pg_mutex == 1)) && (ldv_mutex_cred_guard_mutex_of_signal_struct == 1)) - InvariantResult [Line: 3254]: Location Invariant Derived location invariant: (((((((1 == ldv_mutex_mutex_of_device) && (disable == 0)) && (ldv_retval_1 == 0)) && (ldv_mutex_lock == 1)) && (ldv_mutex_cred_guard_mutex_of_signal_struct == 1)) && (ldv_mutex_pg_mutex == 2)) || ((((((1 == ldv_mutex_mutex_of_device) && (disable == 0)) && (ldv_retval_1 == 0)) && (ldv_mutex_lock == 1)) && (ldv_mutex_pg_mutex == 1)) && (ldv_mutex_cred_guard_mutex_of_signal_struct == 1))) - InvariantResult [Line: 3232]: Location Invariant Derived location invariant: (((((((1 == ldv_mutex_mutex_of_device) && (disable == 0)) && (ldv_retval_1 == 0)) && (ldv_mutex_lock == 1)) && (ldv_mutex_cred_guard_mutex_of_signal_struct == 1)) && (ldv_mutex_pg_mutex == 2)) || ((((((1 == ldv_mutex_mutex_of_device) && (disable == 0)) && (ldv_retval_1 == 0)) && (ldv_mutex_lock == 1)) && (ldv_mutex_pg_mutex == 1)) && (ldv_mutex_cred_guard_mutex_of_signal_struct == 1))) - InvariantResult [Line: 3201]: Location Invariant Derived location invariant: (((((((1 == ldv_mutex_mutex_of_device) && (disable == 0)) && (ldv_retval_1 == 0)) && (ldv_mutex_lock == 1)) && (ldv_mutex_cred_guard_mutex_of_signal_struct == 1)) && (ldv_mutex_pg_mutex == 2)) || ((((((1 == ldv_mutex_mutex_of_device) && (disable == 0)) && (ldv_retval_1 == 0)) && (ldv_mutex_lock == 1)) && (ldv_mutex_pg_mutex == 1)) && (ldv_mutex_cred_guard_mutex_of_signal_struct == 1))) - InvariantResult [Line: 3413]: Location Invariant Derived location invariant: (((((((ldv_state_variable_0 == 1) && (1 == ldv_mutex_mutex_of_device)) && (disable == 0)) && (ldv_retval_1 == 0)) && (ldv_mutex_lock == 1)) && (ldv_mutex_pg_mutex == 1)) && (ldv_mutex_cred_guard_mutex_of_signal_struct == 1)) - InvariantResult [Line: 3254]: Location Invariant Derived location invariant: (((((((1 == ldv_mutex_mutex_of_device) && (disable == 0)) && (ldv_retval_1 == 0)) && (ldv_mutex_lock == 1)) && (ldv_mutex_cred_guard_mutex_of_signal_struct == 1)) && (ldv_mutex_pg_mutex == 2)) || ((((((1 == ldv_mutex_mutex_of_device) && (disable == 0)) && (ldv_retval_1 == 0)) && (ldv_mutex_lock == 1)) && (ldv_mutex_pg_mutex == 1)) && (ldv_mutex_cred_guard_mutex_of_signal_struct == 1))) - InvariantResult [Line: 3181]: Location Invariant Derived location invariant: (((((((1 == ldv_mutex_mutex_of_device) && (disable == 0)) && (ldv_retval_1 == 0)) && (ldv_mutex_lock == 1)) && (ldv_mutex_cred_guard_mutex_of_signal_struct == 1)) && (ldv_mutex_pg_mutex == 2)) || ((((((1 == ldv_mutex_mutex_of_device) && (disable == 0)) && (ldv_retval_1 == 0)) && (ldv_mutex_lock == 1)) && (ldv_mutex_pg_mutex == 1)) && (ldv_mutex_cred_guard_mutex_of_signal_struct == 1))) RESULT: Ultimate proved your program to be correct! [2025-01-09 18:19:41,008 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Ended with exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: TRUE