./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/ldv-linux-3.16-rc1/43_2a_consumption_linux-3.16-rc1.tar.xz-43_2a-drivers--block--paride--pg.ko-entry_point.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-linux-3.16-rc1/43_2a_consumption_linux-3.16-rc1.tar.xz-43_2a-drivers--block--paride--pg.ko-entry_point.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 86380eb8807c8834472c3c5bc5f358e156df083f7e4b141cf7faa18b94c9fafb --- Real Ultimate output --- This is Ultimate 0.3.0-?-551b009-m [2025-01-09 18:32:41,156 INFO L188 SettingsManager]: Resetting all preferences to default values... [2025-01-09 18:32:41,216 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Default.epf [2025-01-09 18:32:41,219 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2025-01-09 18:32:41,221 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2025-01-09 18:32:41,244 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2025-01-09 18:32:41,244 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2025-01-09 18:32:41,245 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2025-01-09 18:32:41,245 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2025-01-09 18:32:41,245 INFO L153 SettingsManager]: * Use memory slicer=true [2025-01-09 18:32:41,246 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2025-01-09 18:32:41,246 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2025-01-09 18:32:41,246 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2025-01-09 18:32:41,246 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2025-01-09 18:32:41,246 INFO L153 SettingsManager]: * Use SBE=true [2025-01-09 18:32:41,247 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2025-01-09 18:32:41,247 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2025-01-09 18:32:41,247 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2025-01-09 18:32:41,247 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2025-01-09 18:32:41,247 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2025-01-09 18:32:41,247 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2025-01-09 18:32:41,247 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2025-01-09 18:32:41,247 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2025-01-09 18:32:41,248 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2025-01-09 18:32:41,248 INFO L153 SettingsManager]: * Use constant arrays=true [2025-01-09 18:32:41,248 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2025-01-09 18:32:41,248 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2025-01-09 18:32:41,248 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2025-01-09 18:32:41,248 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2025-01-09 18:32:41,248 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2025-01-09 18:32:41,248 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2025-01-09 18:32:41,248 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2025-01-09 18:32:41,248 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2025-01-09 18:32:41,249 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2025-01-09 18:32:41,249 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2025-01-09 18:32:41,249 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2025-01-09 18:32:41,249 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2025-01-09 18:32:41,249 INFO L153 SettingsManager]: * Compute procedure contracts=false [2025-01-09 18:32:41,249 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2025-01-09 18:32:41,249 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2025-01-09 18:32:41,249 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2025-01-09 18:32:41,250 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2025-01-09 18:32:41,250 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2025-01-09 18:32:41,250 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2025-01-09 18:32:41,250 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2025-01-09 18:32:41,250 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 -> 86380eb8807c8834472c3c5bc5f358e156df083f7e4b141cf7faa18b94c9fafb [2025-01-09 18:32:41,501 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2025-01-09 18:32:41,511 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2025-01-09 18:32:41,513 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2025-01-09 18:32:41,514 INFO L270 PluginConnector]: Initializing CDTParser... [2025-01-09 18:32:41,515 INFO L274 PluginConnector]: CDTParser initialized [2025-01-09 18:32:41,515 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/ldv-linux-3.16-rc1/43_2a_consumption_linux-3.16-rc1.tar.xz-43_2a-drivers--block--paride--pg.ko-entry_point.cil.out.i [2025-01-09 18:32:42,753 INFO L533 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/73fb7a521/3266d363bb2943b897277f2d84094d77/FLAG9db94bc13 [2025-01-09 18:32:43,180 INFO L384 CDTParser]: Found 1 translation units. [2025-01-09 18:32:43,180 INFO L180 CDTParser]: Scanning /storage/repos/ultimate-jdk21/releaseScripts/default/sv-benchmarks/c/ldv-linux-3.16-rc1/43_2a_consumption_linux-3.16-rc1.tar.xz-43_2a-drivers--block--paride--pg.ko-entry_point.cil.out.i [2025-01-09 18:32:43,208 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/73fb7a521/3266d363bb2943b897277f2d84094d77/FLAG9db94bc13 [2025-01-09 18:32:43,223 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/73fb7a521/3266d363bb2943b897277f2d84094d77 [2025-01-09 18:32:43,224 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2025-01-09 18:32:43,225 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2025-01-09 18:32:43,227 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2025-01-09 18:32:43,227 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2025-01-09 18:32:43,230 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2025-01-09 18:32:43,231 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.01 06:32:43" (1/1) ... [2025-01-09 18:32:43,232 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4ecb6130 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 06:32:43, skipping insertion in model container [2025-01-09 18:32:43,232 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.01 06:32:43" (1/1) ... [2025-01-09 18:32:43,287 INFO L175 MainTranslator]: Built tables and reachable declarations [2025-01-09 18:32:43,518 WARN L1383 CHandler]: Detected problem Invalid redeclaration of the name show at C: (*show)(struct kobject___0 * , struct attribute___0 * , char * ) [3070] [2025-01-09 18:32:43,519 WARN L1383 CHandler]: Detected problem Invalid redeclaration of the name store at C: (*store)(struct kobject___0 * , struct attribute___0 * , char const * , size_t ) [3071-3072] [2025-01-09 18:32:43,591 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-linux-3.16-rc1/43_2a_consumption_linux-3.16-rc1.tar.xz-43_2a-drivers--block--paride--pg.ko-entry_point.cil.out.i[91143,91156] [2025-01-09 18:32:43,816 INFO L210 PostProcessor]: Analyzing one entry point: main [2025-01-09 18:32:43,854 INFO L200 MainTranslator]: Completed pre-run [2025-01-09 18:32:43,931 WARN L1383 CHandler]: Detected problem Invalid redeclaration of the name show at C: (*show)(struct kobject___0 * , struct attribute___0 * , char * ) [3070] [2025-01-09 18:32:43,931 WARN L1383 CHandler]: Detected problem Invalid redeclaration of the name store at C: (*store)(struct kobject___0 * , struct attribute___0 * , char const * , size_t ) [3071-3072] [2025-01-09 18:32:43,933 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)); [3152] [2025-01-09 18:32:43,934 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, %0; setc %1": "+m" (*addr), "=qm" (c): "Ir" (nr): "memory"); [3160-3161] [2025-01-09 18:32:43,940 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-linux-3.16-rc1/43_2a_consumption_linux-3.16-rc1.tar.xz-43_2a-drivers--block--paride--pg.ko-entry_point.cil.out.i[91143,91156] [2025-01-09 18:32:44,050 INFO L210 PostProcessor]: Analyzing one entry point: main [2025-01-09 18:32:44,100 INFO L204 MainTranslator]: Completed translation [2025-01-09 18:32:44,102 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 06:32:44 WrapperNode [2025-01-09 18:32:44,102 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2025-01-09 18:32:44,104 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2025-01-09 18:32:44,104 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2025-01-09 18:32:44,104 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2025-01-09 18:32:44,108 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 06:32:44" (1/1) ... [2025-01-09 18:32:44,146 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 06:32:44" (1/1) ... [2025-01-09 18:32:44,227 INFO L138 Inliner]: procedures = 113, calls = 1214, calls flagged for inlining = 42, calls inlined = 40, statements flattened = 1963 [2025-01-09 18:32:44,227 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2025-01-09 18:32:44,228 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2025-01-09 18:32:44,228 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2025-01-09 18:32:44,228 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2025-01-09 18:32:44,236 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 06:32:44" (1/1) ... [2025-01-09 18:32:44,236 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 06:32:44" (1/1) ... [2025-01-09 18:32:44,257 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 06:32:44" (1/1) ... [2025-01-09 18:32:44,333 INFO L175 MemorySlicer]: Split 956 memory accesses to 21 slices as follows [2, 5, 2, 32, 6, 6, 24, 1, 30, 512, 5, 6, 3, 2, 13, 6, 5, 274, 14, 5, 3]. 54 percent of accesses are in the largest equivalence class. The 780 initializations are split as follows [2, 5, 0, 24, 6, 4, 0, 1, 0, 512, 5, 6, 0, 0, 13, 0, 5, 180, 14, 0, 3]. The 106 writes are split as follows [0, 0, 2, 0, 0, 0, 24, 0, 30, 0, 0, 0, 2, 1, 0, 2, 0, 40, 0, 5, 0]. [2025-01-09 18:32:44,337 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 06:32:44" (1/1) ... [2025-01-09 18:32:44,337 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 06:32:44" (1/1) ... [2025-01-09 18:32:44,394 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 06:32:44" (1/1) ... [2025-01-09 18:32:44,400 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 06:32:44" (1/1) ... [2025-01-09 18:32:44,414 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 06:32:44" (1/1) ... [2025-01-09 18:32:44,427 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 06:32:44" (1/1) ... [2025-01-09 18:32:44,438 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 06:32:44" (1/1) ... [2025-01-09 18:32:44,459 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2025-01-09 18:32:44,461 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2025-01-09 18:32:44,462 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2025-01-09 18:32:44,462 INFO L274 PluginConnector]: RCFGBuilder initialized [2025-01-09 18:32:44,462 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 06:32:44" (1/1) ... [2025-01-09 18:32:44,466 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2025-01-09 18:32:44,511 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-01-09 18:32:44,524 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 18:32:44,534 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 18:32:44,549 INFO L130 BoogieDeclarations]: Found specification of procedure pi_release [2025-01-09 18:32:44,549 INFO L138 BoogieDeclarations]: Found implementation of procedure pi_release [2025-01-09 18:32:44,549 INFO L130 BoogieDeclarations]: Found specification of procedure write_reg [2025-01-09 18:32:44,549 INFO L138 BoogieDeclarations]: Found implementation of procedure write_reg [2025-01-09 18:32:44,549 INFO L130 BoogieDeclarations]: Found specification of procedure pi_disconnect [2025-01-09 18:32:44,549 INFO L138 BoogieDeclarations]: Found implementation of procedure pi_disconnect [2025-01-09 18:32:44,549 INFO L130 BoogieDeclarations]: Found specification of procedure status_reg [2025-01-09 18:32:44,549 INFO L138 BoogieDeclarations]: Found implementation of procedure status_reg [2025-01-09 18:32:44,549 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#0 [2025-01-09 18:32:44,549 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#1 [2025-01-09 18:32:44,549 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#2 [2025-01-09 18:32:44,549 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#3 [2025-01-09 18:32:44,549 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#4 [2025-01-09 18:32:44,550 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#5 [2025-01-09 18:32:44,550 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#6 [2025-01-09 18:32:44,550 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#7 [2025-01-09 18:32:44,550 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#8 [2025-01-09 18:32:44,550 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#9 [2025-01-09 18:32:44,550 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#10 [2025-01-09 18:32:44,550 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#11 [2025-01-09 18:32:44,550 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#12 [2025-01-09 18:32:44,550 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#13 [2025-01-09 18:32:44,550 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#14 [2025-01-09 18:32:44,550 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#15 [2025-01-09 18:32:44,550 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#16 [2025-01-09 18:32:44,550 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#17 [2025-01-09 18:32:44,550 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#18 [2025-01-09 18:32:44,550 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#19 [2025-01-09 18:32:44,550 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#20 [2025-01-09 18:32:44,550 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#0 [2025-01-09 18:32:44,550 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#1 [2025-01-09 18:32:44,550 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#2 [2025-01-09 18:32:44,550 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#3 [2025-01-09 18:32:44,550 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#4 [2025-01-09 18:32:44,550 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#5 [2025-01-09 18:32:44,550 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#6 [2025-01-09 18:32:44,550 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#7 [2025-01-09 18:32:44,550 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#8 [2025-01-09 18:32:44,550 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#9 [2025-01-09 18:32:44,550 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#10 [2025-01-09 18:32:44,550 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#11 [2025-01-09 18:32:44,550 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#12 [2025-01-09 18:32:44,550 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#13 [2025-01-09 18:32:44,550 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#14 [2025-01-09 18:32:44,550 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#15 [2025-01-09 18:32:44,551 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#16 [2025-01-09 18:32:44,551 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#17 [2025-01-09 18:32:44,551 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#18 [2025-01-09 18:32:44,551 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#19 [2025-01-09 18:32:44,551 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#20 [2025-01-09 18:32:44,551 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2025-01-09 18:32:44,551 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2025-01-09 18:32:44,551 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#0 [2025-01-09 18:32:44,551 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#1 [2025-01-09 18:32:44,551 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#2 [2025-01-09 18:32:44,551 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#3 [2025-01-09 18:32:44,551 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#4 [2025-01-09 18:32:44,551 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#5 [2025-01-09 18:32:44,551 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#6 [2025-01-09 18:32:44,551 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#7 [2025-01-09 18:32:44,551 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#8 [2025-01-09 18:32:44,551 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#9 [2025-01-09 18:32:44,551 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#10 [2025-01-09 18:32:44,551 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#11 [2025-01-09 18:32:44,551 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#12 [2025-01-09 18:32:44,551 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#13 [2025-01-09 18:32:44,551 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#14 [2025-01-09 18:32:44,551 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#15 [2025-01-09 18:32:44,551 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#16 [2025-01-09 18:32:44,551 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#17 [2025-01-09 18:32:44,551 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#18 [2025-01-09 18:32:44,551 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#19 [2025-01-09 18:32:44,554 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#20 [2025-01-09 18:32:44,554 INFO L130 BoogieDeclarations]: Found specification of procedure read_reg [2025-01-09 18:32:44,554 INFO L138 BoogieDeclarations]: Found implementation of procedure read_reg [2025-01-09 18:32:44,554 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2025-01-09 18:32:44,554 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2025-01-09 18:32:44,554 INFO L130 BoogieDeclarations]: Found specification of procedure pg_sleep [2025-01-09 18:32:44,555 INFO L138 BoogieDeclarations]: Found implementation of procedure pg_sleep [2025-01-09 18:32:44,555 INFO L130 BoogieDeclarations]: Found specification of procedure pg_completion [2025-01-09 18:32:44,555 INFO L138 BoogieDeclarations]: Found implementation of procedure pg_completion [2025-01-09 18:32:44,555 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#0 [2025-01-09 18:32:44,555 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#1 [2025-01-09 18:32:44,555 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#2 [2025-01-09 18:32:44,555 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#3 [2025-01-09 18:32:44,556 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#4 [2025-01-09 18:32:44,556 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#5 [2025-01-09 18:32:44,556 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#6 [2025-01-09 18:32:44,556 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#7 [2025-01-09 18:32:44,556 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#8 [2025-01-09 18:32:44,556 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#9 [2025-01-09 18:32:44,556 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#10 [2025-01-09 18:32:44,556 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#11 [2025-01-09 18:32:44,556 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#12 [2025-01-09 18:32:44,556 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#13 [2025-01-09 18:32:44,556 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#14 [2025-01-09 18:32:44,556 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#15 [2025-01-09 18:32:44,556 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#16 [2025-01-09 18:32:44,556 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#17 [2025-01-09 18:32:44,557 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#18 [2025-01-09 18:32:44,557 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#19 [2025-01-09 18:32:44,557 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#20 [2025-01-09 18:32:44,557 INFO L130 BoogieDeclarations]: Found specification of procedure copy_to_user [2025-01-09 18:32:44,557 INFO L138 BoogieDeclarations]: Found implementation of procedure copy_to_user [2025-01-09 18:32:44,557 INFO L130 BoogieDeclarations]: Found specification of procedure pg_wait [2025-01-09 18:32:44,557 INFO L138 BoogieDeclarations]: Found implementation of procedure pg_wait [2025-01-09 18:32:44,557 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_error [2025-01-09 18:32:44,557 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_error [2025-01-09 18:32:44,557 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2025-01-09 18:32:44,557 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2025-01-09 18:32:44,557 INFO L130 BoogieDeclarations]: Found specification of procedure clear_bit [2025-01-09 18:32:44,557 INFO L138 BoogieDeclarations]: Found implementation of procedure clear_bit [2025-01-09 18:32:44,557 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2025-01-09 18:32:44,557 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2025-01-09 18:32:44,557 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2025-01-09 18:32:44,557 INFO L130 BoogieDeclarations]: Found specification of procedure copy_from_user [2025-01-09 18:32:44,557 INFO L138 BoogieDeclarations]: Found implementation of procedure copy_from_user [2025-01-09 18:32:44,557 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2025-01-09 18:32:44,557 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2025-01-09 18:32:44,557 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#0 [2025-01-09 18:32:44,557 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#1 [2025-01-09 18:32:44,557 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#2 [2025-01-09 18:32:44,557 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#3 [2025-01-09 18:32:44,557 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#4 [2025-01-09 18:32:44,557 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#5 [2025-01-09 18:32:44,557 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#6 [2025-01-09 18:32:44,557 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#7 [2025-01-09 18:32:44,557 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#8 [2025-01-09 18:32:44,557 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#9 [2025-01-09 18:32:44,557 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#10 [2025-01-09 18:32:44,557 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#11 [2025-01-09 18:32:44,557 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#12 [2025-01-09 18:32:44,557 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#13 [2025-01-09 18:32:44,557 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#14 [2025-01-09 18:32:44,557 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#15 [2025-01-09 18:32:44,557 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#16 [2025-01-09 18:32:44,557 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#17 [2025-01-09 18:32:44,557 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#18 [2025-01-09 18:32:44,557 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#19 [2025-01-09 18:32:44,557 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#20 [2025-01-09 18:32:44,558 INFO L130 BoogieDeclarations]: Found specification of procedure DRIVE [2025-01-09 18:32:44,558 INFO L138 BoogieDeclarations]: Found implementation of procedure DRIVE [2025-01-09 18:32:44,558 INFO L130 BoogieDeclarations]: Found specification of procedure pg_write [2025-01-09 18:32:44,558 INFO L138 BoogieDeclarations]: Found implementation of procedure pg_write [2025-01-09 18:32:44,558 INFO L130 BoogieDeclarations]: Found specification of procedure _copy_to_user [2025-01-09 18:32:44,558 INFO L138 BoogieDeclarations]: Found implementation of procedure _copy_to_user [2025-01-09 18:32:44,558 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#0 [2025-01-09 18:32:44,558 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#1 [2025-01-09 18:32:44,558 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#2 [2025-01-09 18:32:44,558 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#3 [2025-01-09 18:32:44,558 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#4 [2025-01-09 18:32:44,558 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#5 [2025-01-09 18:32:44,558 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#6 [2025-01-09 18:32:44,558 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#7 [2025-01-09 18:32:44,558 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#8 [2025-01-09 18:32:44,558 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#9 [2025-01-09 18:32:44,558 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#10 [2025-01-09 18:32:44,558 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#11 [2025-01-09 18:32:44,558 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#12 [2025-01-09 18:32:44,561 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#13 [2025-01-09 18:32:44,561 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#14 [2025-01-09 18:32:44,561 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#15 [2025-01-09 18:32:44,561 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#16 [2025-01-09 18:32:44,561 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#17 [2025-01-09 18:32:44,561 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#18 [2025-01-09 18:32:44,561 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#19 [2025-01-09 18:32:44,561 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#20 [2025-01-09 18:32:44,561 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_unregister_chrdev_20 [2025-01-09 18:32:44,561 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_unregister_chrdev_20 [2025-01-09 18:32:44,561 INFO L130 BoogieDeclarations]: Found specification of procedure pg_reset [2025-01-09 18:32:44,561 INFO L138 BoogieDeclarations]: Found implementation of procedure pg_reset [2025-01-09 18:32:44,561 INFO L130 BoogieDeclarations]: Found specification of procedure pg_identify [2025-01-09 18:32:44,561 INFO L138 BoogieDeclarations]: Found implementation of procedure pg_identify [2025-01-09 18:32:44,561 INFO L130 BoogieDeclarations]: Found specification of procedure pi_write_block [2025-01-09 18:32:44,561 INFO L138 BoogieDeclarations]: Found implementation of procedure pi_write_block [2025-01-09 18:32:44,561 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2025-01-09 18:32:44,561 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#0 [2025-01-09 18:32:44,561 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#1 [2025-01-09 18:32:44,562 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#2 [2025-01-09 18:32:44,562 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#3 [2025-01-09 18:32:44,562 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#4 [2025-01-09 18:32:44,562 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#5 [2025-01-09 18:32:44,562 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#6 [2025-01-09 18:32:44,562 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#7 [2025-01-09 18:32:44,562 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#8 [2025-01-09 18:32:44,562 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#9 [2025-01-09 18:32:44,562 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#10 [2025-01-09 18:32:44,562 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#11 [2025-01-09 18:32:44,562 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#12 [2025-01-09 18:32:44,562 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#13 [2025-01-09 18:32:44,562 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#14 [2025-01-09 18:32:44,562 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#15 [2025-01-09 18:32:44,562 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#16 [2025-01-09 18:32:44,562 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#17 [2025-01-09 18:32:44,562 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#18 [2025-01-09 18:32:44,562 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#19 [2025-01-09 18:32:44,562 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#20 [2025-01-09 18:32:44,562 INFO L130 BoogieDeclarations]: Found specification of procedure pi_init [2025-01-09 18:32:44,562 INFO L138 BoogieDeclarations]: Found implementation of procedure pi_init [2025-01-09 18:32:44,562 INFO L130 BoogieDeclarations]: Found specification of procedure pi_read_regr [2025-01-09 18:32:44,562 INFO L138 BoogieDeclarations]: Found implementation of procedure pi_read_regr [2025-01-09 18:32:44,562 INFO L130 BoogieDeclarations]: Found specification of procedure might_fault [2025-01-09 18:32:44,562 INFO L138 BoogieDeclarations]: Found implementation of procedure might_fault [2025-01-09 18:32:44,562 INFO L130 BoogieDeclarations]: Found specification of procedure printk [2025-01-09 18:32:44,562 INFO L138 BoogieDeclarations]: Found implementation of procedure printk [2025-01-09 18:32:44,562 INFO L130 BoogieDeclarations]: Found specification of procedure pg_probe [2025-01-09 18:32:44,562 INFO L138 BoogieDeclarations]: Found implementation of procedure pg_probe [2025-01-09 18:32:44,562 INFO L130 BoogieDeclarations]: Found specification of procedure pi_connect [2025-01-09 18:32:44,562 INFO L138 BoogieDeclarations]: Found implementation of procedure pi_connect [2025-01-09 18:32:44,562 INFO L130 BoogieDeclarations]: Found specification of procedure pg_command [2025-01-09 18:32:44,562 INFO L138 BoogieDeclarations]: Found implementation of procedure pg_command [2025-01-09 18:32:44,562 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2025-01-09 18:32:44,562 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#1 [2025-01-09 18:32:44,562 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#2 [2025-01-09 18:32:44,562 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#3 [2025-01-09 18:32:44,562 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#4 [2025-01-09 18:32:44,562 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#5 [2025-01-09 18:32:44,562 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#6 [2025-01-09 18:32:44,562 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#7 [2025-01-09 18:32:44,562 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#8 [2025-01-09 18:32:44,562 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#9 [2025-01-09 18:32:44,562 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#10 [2025-01-09 18:32:44,562 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#11 [2025-01-09 18:32:44,562 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#12 [2025-01-09 18:32:44,562 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#13 [2025-01-09 18:32:44,562 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#14 [2025-01-09 18:32:44,562 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#15 [2025-01-09 18:32:44,563 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#16 [2025-01-09 18:32:44,563 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#17 [2025-01-09 18:32:44,563 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#18 [2025-01-09 18:32:44,563 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#19 [2025-01-09 18:32:44,563 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#20 [2025-01-09 18:32:44,563 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_zalloc [2025-01-09 18:32:44,563 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_zalloc [2025-01-09 18:32:44,563 INFO L130 BoogieDeclarations]: Found specification of procedure _copy_from_user [2025-01-09 18:32:44,563 INFO L138 BoogieDeclarations]: Found implementation of procedure _copy_from_user [2025-01-09 18:32:44,563 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2025-01-09 18:32:44,565 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2025-01-09 18:32:44,565 INFO L130 BoogieDeclarations]: Found specification of procedure xs [2025-01-09 18:32:44,565 INFO L138 BoogieDeclarations]: Found implementation of procedure xs [2025-01-09 18:32:44,565 INFO L130 BoogieDeclarations]: Found specification of procedure IS_ERR [2025-01-09 18:32:44,565 INFO L138 BoogieDeclarations]: Found implementation of procedure IS_ERR [2025-01-09 18:32:44,927 INFO L234 CfgBuilder]: Building ICFG [2025-01-09 18:32:44,929 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2025-01-09 18:32:44,979 INFO L727 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stopFINAL: assume true; [2025-01-09 18:32:50,505 INFO L? ?]: Removed 572 outVars from TransFormulas that were not future-live. [2025-01-09 18:32:50,505 INFO L283 CfgBuilder]: Performing block encoding [2025-01-09 18:32:50,531 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2025-01-09 18:32:50,531 INFO L312 CfgBuilder]: Removed 1 assume(true) statements. [2025-01-09 18:32:50,531 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.01 06:32:50 BoogieIcfgContainer [2025-01-09 18:32:50,531 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2025-01-09 18:32:50,533 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2025-01-09 18:32:50,533 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2025-01-09 18:32:50,537 INFO L274 PluginConnector]: TraceAbstraction initialized [2025-01-09 18:32:50,537 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 09.01 06:32:43" (1/3) ... [2025-01-09 18:32:50,537 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2873a134 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 09.01 06:32:50, skipping insertion in model container [2025-01-09 18:32:50,537 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 06:32:44" (2/3) ... [2025-01-09 18:32:50,537 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2873a134 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 09.01 06:32:50, skipping insertion in model container [2025-01-09 18:32:50,538 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.01 06:32:50" (3/3) ... [2025-01-09 18:32:50,538 INFO L128 eAbstractionObserver]: Analyzing ICFG 43_2a_consumption_linux-3.16-rc1.tar.xz-43_2a-drivers--block--paride--pg.ko-entry_point.cil.out.i [2025-01-09 18:32:50,548 INFO L216 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2025-01-09 18:32:50,551 INFO L151 ceAbstractionStarter]: Applying trace abstraction to ICFG 43_2a_consumption_linux-3.16-rc1.tar.xz-43_2a-drivers--block--paride--pg.ko-entry_point.cil.out.i that has 35 procedures, 551 locations, 1 initial locations, 2 loop locations, and 1 error locations. [2025-01-09 18:32:50,603 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2025-01-09 18:32:50,618 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;@4b0e59d, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2025-01-09 18:32:50,618 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2025-01-09 18:32:50,622 INFO L276 IsEmpty]: Start isEmpty. Operand has 550 states, 402 states have (on average 1.355721393034826) internal successors, (545), 410 states have internal predecessors, (545), 113 states have call successors, (113), 34 states have call predecessors, (113), 33 states have return successors, (110), 110 states have call predecessors, (110), 110 states have call successors, (110) [2025-01-09 18:32:50,642 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 102 [2025-01-09 18:32:50,642 INFO L210 NwaCegarLoop]: Found error trace [2025-01-09 18:32:50,643 INFO L218 NwaCegarLoop]: trace histogram [4, 4, 4, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 18:32:50,644 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2025-01-09 18:32:50,647 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-09 18:32:50,648 INFO L85 PathProgramCache]: Analyzing trace with hash -177280700, now seen corresponding path program 1 times [2025-01-09 18:32:50,653 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-01-09 18:32:50,653 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1374175995] [2025-01-09 18:32:50,654 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-09 18:32:50,654 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-09 18:32:51,189 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 101 statements into 1 equivalence classes. [2025-01-09 18:32:51,416 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 101 of 101 statements. [2025-01-09 18:32:51,417 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-09 18:32:51,417 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-09 18:32:51,768 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2025-01-09 18:32:51,770 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-01-09 18:32:51,770 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1374175995] [2025-01-09 18:32:51,770 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1374175995] provided 1 perfect and 0 imperfect interpolant sequences [2025-01-09 18:32:51,770 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-01-09 18:32:51,770 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2025-01-09 18:32:51,771 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [284821358] [2025-01-09 18:32:51,772 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-01-09 18:32:51,775 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2025-01-09 18:32:51,775 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-01-09 18:32:51,789 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2025-01-09 18:32:51,790 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-01-09 18:32:51,793 INFO L87 Difference]: Start difference. First operand has 550 states, 402 states have (on average 1.355721393034826) internal successors, (545), 410 states have internal predecessors, (545), 113 states have call successors, (113), 34 states have call predecessors, (113), 33 states have return successors, (110), 110 states have call predecessors, (110), 110 states have call successors, (110) Second operand has 3 states, 3 states have (on average 21.666666666666668) internal successors, (65), 3 states have internal predecessors, (65), 2 states have call successors, (14), 2 states have call predecessors, (14), 1 states have return successors, (13), 2 states have call predecessors, (13), 2 states have call successors, (13) [2025-01-09 18:32:51,969 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-01-09 18:32:51,970 INFO L93 Difference]: Finished difference Result 1431 states and 2027 transitions. [2025-01-09 18:32:51,971 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-01-09 18:32:51,972 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 21.666666666666668) internal successors, (65), 3 states have internal predecessors, (65), 2 states have call successors, (14), 2 states have call predecessors, (14), 1 states have return successors, (13), 2 states have call predecessors, (13), 2 states have call successors, (13) Word has length 101 [2025-01-09 18:32:51,972 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-01-09 18:32:51,983 INFO L225 Difference]: With dead ends: 1431 [2025-01-09 18:32:51,983 INFO L226 Difference]: Without dead ends: 834 [2025-01-09 18:32:51,989 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 18:32:51,991 INFO L435 NwaCegarLoop]: 926 mSDtfsCounter, 476 mSDsluCounter, 712 mSDsCounter, 0 mSdLazyCounter, 21 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 476 SdHoareTripleChecker+Valid, 1638 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 18:32:51,991 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [476 Valid, 1638 Invalid, 25 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 21 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2025-01-09 18:32:52,003 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 834 states. [2025-01-09 18:32:52,074 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 834 to 832. [2025-01-09 18:32:52,077 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 832 states, 600 states have (on average 1.325) internal successors, (795), 605 states have internal predecessors, (795), 175 states have call successors, (175), 57 states have call predecessors, (175), 56 states have return successors, (174), 174 states have call predecessors, (174), 174 states have call successors, (174) [2025-01-09 18:32:52,091 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 832 states to 832 states and 1144 transitions. [2025-01-09 18:32:52,095 INFO L78 Accepts]: Start accepts. Automaton has 832 states and 1144 transitions. Word has length 101 [2025-01-09 18:32:52,096 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-01-09 18:32:52,096 INFO L471 AbstractCegarLoop]: Abstraction has 832 states and 1144 transitions. [2025-01-09 18:32:52,096 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 21.666666666666668) internal successors, (65), 3 states have internal predecessors, (65), 2 states have call successors, (14), 2 states have call predecessors, (14), 1 states have return successors, (13), 2 states have call predecessors, (13), 2 states have call successors, (13) [2025-01-09 18:32:52,096 INFO L276 IsEmpty]: Start isEmpty. Operand 832 states and 1144 transitions. [2025-01-09 18:32:52,110 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 149 [2025-01-09 18:32:52,110 INFO L210 NwaCegarLoop]: Found error trace [2025-01-09 18:32:52,110 INFO L218 NwaCegarLoop]: trace histogram [6, 6, 6, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 18:32:52,110 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2025-01-09 18:32:52,110 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2025-01-09 18:32:52,111 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-09 18:32:52,111 INFO L85 PathProgramCache]: Analyzing trace with hash -1644619041, now seen corresponding path program 1 times [2025-01-09 18:32:52,111 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-01-09 18:32:52,111 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1168808818] [2025-01-09 18:32:52,111 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-09 18:32:52,111 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-09 18:32:52,557 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 148 statements into 1 equivalence classes. [2025-01-09 18:32:52,614 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 148 of 148 statements. [2025-01-09 18:32:52,614 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-09 18:32:52,614 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-09 18:32:53,008 INFO L134 CoverageAnalysis]: Checked inductivity of 65 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 63 trivial. 0 not checked. [2025-01-09 18:32:53,008 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-01-09 18:32:53,009 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1168808818] [2025-01-09 18:32:53,009 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1168808818] provided 1 perfect and 0 imperfect interpolant sequences [2025-01-09 18:32:53,009 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-01-09 18:32:53,009 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2025-01-09 18:32:53,009 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1680451188] [2025-01-09 18:32:53,009 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-01-09 18:32:53,010 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2025-01-09 18:32:53,011 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-01-09 18:32:53,011 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2025-01-09 18:32:53,012 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-01-09 18:32:53,012 INFO L87 Difference]: Start difference. First operand 832 states and 1144 transitions. Second operand has 3 states, 3 states have (on average 32.0) internal successors, (96), 3 states have internal predecessors, (96), 2 states have call successors, (18), 2 states have call predecessors, (18), 1 states have return successors, (17), 2 states have call predecessors, (17), 2 states have call successors, (17) [2025-01-09 18:32:53,090 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-01-09 18:32:53,092 INFO L93 Difference]: Finished difference Result 1646 states and 2273 transitions. [2025-01-09 18:32:53,092 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-01-09 18:32:53,093 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 32.0) internal successors, (96), 3 states have internal predecessors, (96), 2 states have call successors, (18), 2 states have call predecessors, (18), 1 states have return successors, (17), 2 states have call predecessors, (17), 2 states have call successors, (17) Word has length 148 [2025-01-09 18:32:53,093 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-01-09 18:32:53,101 INFO L225 Difference]: With dead ends: 1646 [2025-01-09 18:32:53,101 INFO L226 Difference]: Without dead ends: 846 [2025-01-09 18:32:53,106 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 18:32:53,109 INFO L435 NwaCegarLoop]: 720 mSDtfsCounter, 7 mSDsluCounter, 717 mSDsCounter, 0 mSdLazyCounter, 8 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 8 SdHoareTripleChecker+Valid, 1437 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 18:32:53,109 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [8 Valid, 1437 Invalid, 8 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 8 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2025-01-09 18:32:53,110 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 846 states. [2025-01-09 18:32:53,152 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 846 to 834. [2025-01-09 18:32:53,154 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 834 states, 602 states have (on average 1.323920265780731) internal successors, (797), 607 states have internal predecessors, (797), 175 states have call successors, (175), 57 states have call predecessors, (175), 56 states have return successors, (174), 174 states have call predecessors, (174), 174 states have call successors, (174) [2025-01-09 18:32:53,160 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 834 states to 834 states and 1146 transitions. [2025-01-09 18:32:53,161 INFO L78 Accepts]: Start accepts. Automaton has 834 states and 1146 transitions. Word has length 148 [2025-01-09 18:32:53,162 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-01-09 18:32:53,163 INFO L471 AbstractCegarLoop]: Abstraction has 834 states and 1146 transitions. [2025-01-09 18:32:53,163 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 32.0) internal successors, (96), 3 states have internal predecessors, (96), 2 states have call successors, (18), 2 states have call predecessors, (18), 1 states have return successors, (17), 2 states have call predecessors, (17), 2 states have call successors, (17) [2025-01-09 18:32:53,163 INFO L276 IsEmpty]: Start isEmpty. Operand 834 states and 1146 transitions. [2025-01-09 18:32:53,169 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 159 [2025-01-09 18:32:53,171 INFO L210 NwaCegarLoop]: Found error trace [2025-01-09 18:32:53,171 INFO L218 NwaCegarLoop]: trace histogram [6, 6, 6, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 18:32:53,171 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2025-01-09 18:32:53,172 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2025-01-09 18:32:53,172 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-09 18:32:53,172 INFO L85 PathProgramCache]: Analyzing trace with hash -983554104, now seen corresponding path program 1 times [2025-01-09 18:32:53,172 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-01-09 18:32:53,172 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [407150778] [2025-01-09 18:32:53,172 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-09 18:32:53,172 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-09 18:32:53,544 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 158 statements into 1 equivalence classes. [2025-01-09 18:32:53,595 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 158 of 158 statements. [2025-01-09 18:32:53,596 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-09 18:32:53,596 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-09 18:32:53,873 INFO L134 CoverageAnalysis]: Checked inductivity of 66 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 63 trivial. 0 not checked. [2025-01-09 18:32:53,874 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-01-09 18:32:53,874 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [407150778] [2025-01-09 18:32:53,874 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [407150778] provided 0 perfect and 1 imperfect interpolant sequences [2025-01-09 18:32:53,874 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1023545154] [2025-01-09 18:32:53,874 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-09 18:32:53,875 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-01-09 18:32:53,875 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-01-09 18:32:53,883 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 18:32:53,893 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 18:32:54,598 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 158 statements into 1 equivalence classes. [2025-01-09 18:32:54,966 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 158 of 158 statements. [2025-01-09 18:32:54,966 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-09 18:32:54,966 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-09 18:32:54,980 INFO L256 TraceCheckSpWp]: Trace formula consists of 3467 conjuncts, 2 conjuncts are in the unsatisfiable core [2025-01-09 18:32:54,988 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-01-09 18:32:55,009 INFO L134 CoverageAnalysis]: Checked inductivity of 66 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 66 trivial. 0 not checked. [2025-01-09 18:32:55,010 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2025-01-09 18:32:55,010 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1023545154] provided 1 perfect and 0 imperfect interpolant sequences [2025-01-09 18:32:55,010 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2025-01-09 18:32:55,010 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [4] total 5 [2025-01-09 18:32:55,010 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1146098577] [2025-01-09 18:32:55,010 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-01-09 18:32:55,011 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2025-01-09 18:32:55,011 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-01-09 18:32:55,011 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2025-01-09 18:32:55,011 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2025-01-09 18:32:55,012 INFO L87 Difference]: Start difference. First operand 834 states and 1146 transitions. Second operand has 3 states, 3 states have (on average 34.333333333333336) internal successors, (103), 3 states have internal predecessors, (103), 2 states have call successors, (19), 2 states have call predecessors, (19), 2 states have return successors, (18), 2 states have call predecessors, (18), 2 states have call successors, (18) [2025-01-09 18:32:55,064 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-01-09 18:32:55,065 INFO L93 Difference]: Finished difference Result 1637 states and 2257 transitions. [2025-01-09 18:32:55,066 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-01-09 18:32:55,066 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 34.333333333333336) internal successors, (103), 3 states have internal predecessors, (103), 2 states have call successors, (19), 2 states have call predecessors, (19), 2 states have return successors, (18), 2 states have call predecessors, (18), 2 states have call successors, (18) Word has length 158 [2025-01-09 18:32:55,066 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-01-09 18:32:55,073 INFO L225 Difference]: With dead ends: 1637 [2025-01-09 18:32:55,073 INFO L226 Difference]: Without dead ends: 835 [2025-01-09 18:32:55,076 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 161 GetRequests, 158 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 18:32:55,079 INFO L435 NwaCegarLoop]: 722 mSDtfsCounter, 0 mSDsluCounter, 716 mSDsCounter, 0 mSdLazyCounter, 7 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 1438 SdHoareTripleChecker+Invalid, 7 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 7 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2025-01-09 18:32:55,079 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 1438 Invalid, 7 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 7 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2025-01-09 18:32:55,080 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 835 states. [2025-01-09 18:32:55,105 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 835 to 835. [2025-01-09 18:32:55,106 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 835 states, 603 states have (on average 1.3233830845771144) internal successors, (798), 608 states have internal predecessors, (798), 175 states have call successors, (175), 57 states have call predecessors, (175), 56 states have return successors, (174), 174 states have call predecessors, (174), 174 states have call successors, (174) [2025-01-09 18:32:55,111 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 835 states to 835 states and 1147 transitions. [2025-01-09 18:32:55,112 INFO L78 Accepts]: Start accepts. Automaton has 835 states and 1147 transitions. Word has length 158 [2025-01-09 18:32:55,112 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-01-09 18:32:55,112 INFO L471 AbstractCegarLoop]: Abstraction has 835 states and 1147 transitions. [2025-01-09 18:32:55,113 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 34.333333333333336) internal successors, (103), 3 states have internal predecessors, (103), 2 states have call successors, (19), 2 states have call predecessors, (19), 2 states have return successors, (18), 2 states have call predecessors, (18), 2 states have call successors, (18) [2025-01-09 18:32:55,113 INFO L276 IsEmpty]: Start isEmpty. Operand 835 states and 1147 transitions. [2025-01-09 18:32:55,116 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 159 [2025-01-09 18:32:55,116 INFO L210 NwaCegarLoop]: Found error trace [2025-01-09 18:32:55,116 INFO L218 NwaCegarLoop]: trace histogram [6, 6, 6, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 18:32:55,131 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 18:32:55,317 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2,2 /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-01-09 18:32:55,317 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2025-01-09 18:32:55,318 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-09 18:32:55,318 INFO L85 PathProgramCache]: Analyzing trace with hash -1400950710, now seen corresponding path program 1 times [2025-01-09 18:32:55,318 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-01-09 18:32:55,318 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2120681152] [2025-01-09 18:32:55,318 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-09 18:32:55,318 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-09 18:32:55,715 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 158 statements into 1 equivalence classes. [2025-01-09 18:32:55,746 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 158 of 158 statements. [2025-01-09 18:32:55,746 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-09 18:32:55,746 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-09 18:32:55,989 INFO L134 CoverageAnalysis]: Checked inductivity of 66 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 63 trivial. 0 not checked. [2025-01-09 18:32:55,989 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-01-09 18:32:55,989 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2120681152] [2025-01-09 18:32:55,989 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2120681152] provided 0 perfect and 1 imperfect interpolant sequences [2025-01-09 18:32:55,989 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [590875705] [2025-01-09 18:32:55,989 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-09 18:32:55,990 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-01-09 18:32:55,990 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-01-09 18:32:55,993 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 18:32:56,007 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 18:32:56,675 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 158 statements into 1 equivalence classes. [2025-01-09 18:32:56,991 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 158 of 158 statements. [2025-01-09 18:32:56,991 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-09 18:32:56,991 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-09 18:32:57,004 INFO L256 TraceCheckSpWp]: Trace formula consists of 3470 conjuncts, 2 conjuncts are in the unsatisfiable core [2025-01-09 18:32:57,010 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-01-09 18:32:57,023 INFO L134 CoverageAnalysis]: Checked inductivity of 66 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 66 trivial. 0 not checked. [2025-01-09 18:32:57,023 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2025-01-09 18:32:57,023 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [590875705] provided 1 perfect and 0 imperfect interpolant sequences [2025-01-09 18:32:57,023 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2025-01-09 18:32:57,024 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [4] total 5 [2025-01-09 18:32:57,024 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1577532421] [2025-01-09 18:32:57,024 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-01-09 18:32:57,024 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2025-01-09 18:32:57,024 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-01-09 18:32:57,025 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2025-01-09 18:32:57,025 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2025-01-09 18:32:57,025 INFO L87 Difference]: Start difference. First operand 835 states and 1147 transitions. Second operand has 3 states, 3 states have (on average 34.333333333333336) internal successors, (103), 3 states have internal predecessors, (103), 2 states have call successors, (19), 2 states have call predecessors, (19), 1 states have return successors, (18), 1 states have call predecessors, (18), 1 states have call successors, (18) [2025-01-09 18:32:57,049 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-01-09 18:32:57,049 INFO L93 Difference]: Finished difference Result 839 states and 1151 transitions. [2025-01-09 18:32:57,050 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-01-09 18:32:57,050 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 34.333333333333336) internal successors, (103), 3 states have internal predecessors, (103), 2 states have call successors, (19), 2 states have call predecessors, (19), 1 states have return successors, (18), 1 states have call predecessors, (18), 1 states have call successors, (18) Word has length 158 [2025-01-09 18:32:57,050 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-01-09 18:32:57,056 INFO L225 Difference]: With dead ends: 839 [2025-01-09 18:32:57,056 INFO L226 Difference]: Without dead ends: 836 [2025-01-09 18:32:57,057 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 161 GetRequests, 158 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 18:32:57,058 INFO L435 NwaCegarLoop]: 722 mSDtfsCounter, 0 mSDsluCounter, 716 mSDsCounter, 0 mSdLazyCounter, 7 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 1438 SdHoareTripleChecker+Invalid, 7 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 7 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2025-01-09 18:32:57,059 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 1438 Invalid, 7 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 7 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2025-01-09 18:32:57,060 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 836 states. [2025-01-09 18:32:57,089 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 836 to 836. [2025-01-09 18:32:57,090 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 836 states, 604 states have (on average 1.3228476821192052) internal successors, (799), 609 states have internal predecessors, (799), 175 states have call successors, (175), 57 states have call predecessors, (175), 56 states have return successors, (174), 174 states have call predecessors, (174), 174 states have call successors, (174) [2025-01-09 18:32:57,094 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 836 states to 836 states and 1148 transitions. [2025-01-09 18:32:57,095 INFO L78 Accepts]: Start accepts. Automaton has 836 states and 1148 transitions. Word has length 158 [2025-01-09 18:32:57,096 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-01-09 18:32:57,097 INFO L471 AbstractCegarLoop]: Abstraction has 836 states and 1148 transitions. [2025-01-09 18:32:57,097 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 34.333333333333336) internal successors, (103), 3 states have internal predecessors, (103), 2 states have call successors, (19), 2 states have call predecessors, (19), 1 states have return successors, (18), 1 states have call predecessors, (18), 1 states have call successors, (18) [2025-01-09 18:32:57,098 INFO L276 IsEmpty]: Start isEmpty. Operand 836 states and 1148 transitions. [2025-01-09 18:32:57,100 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 161 [2025-01-09 18:32:57,100 INFO L210 NwaCegarLoop]: Found error trace [2025-01-09 18:32:57,100 INFO L218 NwaCegarLoop]: trace histogram [6, 6, 6, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 18:32:57,112 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 18:32:57,301 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3,3 /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-01-09 18:32:57,301 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2025-01-09 18:32:57,302 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-09 18:32:57,302 INFO L85 PathProgramCache]: Analyzing trace with hash -1961767970, now seen corresponding path program 1 times [2025-01-09 18:32:57,302 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-01-09 18:32:57,302 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [240405654] [2025-01-09 18:32:57,302 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-09 18:32:57,302 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-09 18:32:57,662 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 160 statements into 1 equivalence classes. [2025-01-09 18:32:57,693 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 160 of 160 statements. [2025-01-09 18:32:57,694 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-09 18:32:57,694 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-09 18:32:57,975 INFO L134 CoverageAnalysis]: Checked inductivity of 66 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 63 trivial. 0 not checked. [2025-01-09 18:32:57,975 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-01-09 18:32:57,975 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [240405654] [2025-01-09 18:32:57,976 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [240405654] provided 0 perfect and 1 imperfect interpolant sequences [2025-01-09 18:32:57,976 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [118534644] [2025-01-09 18:32:57,976 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-09 18:32:57,976 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-01-09 18:32:57,976 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-01-09 18:32:57,978 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 18:32:57,983 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 18:32:58,682 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 160 statements into 1 equivalence classes. [2025-01-09 18:32:58,954 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 160 of 160 statements. [2025-01-09 18:32:58,954 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-09 18:32:58,954 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-09 18:32:58,965 INFO L256 TraceCheckSpWp]: Trace formula consists of 3475 conjuncts, 2 conjuncts are in the unsatisfiable core [2025-01-09 18:32:58,969 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-01-09 18:32:58,984 INFO L134 CoverageAnalysis]: Checked inductivity of 66 backedges. 37 proven. 0 refuted. 0 times theorem prover too weak. 29 trivial. 0 not checked. [2025-01-09 18:32:58,984 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2025-01-09 18:32:58,984 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [118534644] provided 1 perfect and 0 imperfect interpolant sequences [2025-01-09 18:32:58,984 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2025-01-09 18:32:58,984 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [4] total 5 [2025-01-09 18:32:58,984 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [799827559] [2025-01-09 18:32:58,985 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-01-09 18:32:58,985 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2025-01-09 18:32:58,985 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-01-09 18:32:58,985 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2025-01-09 18:32:58,986 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2025-01-09 18:32:58,986 INFO L87 Difference]: Start difference. First operand 836 states and 1148 transitions. Second operand has 3 states, 3 states have (on average 37.0) internal successors, (111), 3 states have internal predecessors, (111), 2 states have call successors, (19), 2 states have call predecessors, (19), 2 states have return successors, (18), 2 states have call predecessors, (18), 2 states have call successors, (18) [2025-01-09 18:32:59,022 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-01-09 18:32:59,022 INFO L93 Difference]: Finished difference Result 1664 states and 2297 transitions. [2025-01-09 18:32:59,023 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-01-09 18:32:59,023 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 37.0) internal successors, (111), 3 states have internal predecessors, (111), 2 states have call successors, (19), 2 states have call predecessors, (19), 2 states have return successors, (18), 2 states have call predecessors, (18), 2 states have call successors, (18) Word has length 160 [2025-01-09 18:32:59,023 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-01-09 18:32:59,027 INFO L225 Difference]: With dead ends: 1664 [2025-01-09 18:32:59,027 INFO L226 Difference]: Without dead ends: 860 [2025-01-09 18:32:59,029 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 163 GetRequests, 160 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 18:32:59,029 INFO L435 NwaCegarLoop]: 725 mSDtfsCounter, 11 mSDsluCounter, 717 mSDsCounter, 0 mSdLazyCounter, 9 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 14 SdHoareTripleChecker+Valid, 1442 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 18:32:59,029 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [14 Valid, 1442 Invalid, 9 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 9 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2025-01-09 18:32:59,030 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 860 states. [2025-01-09 18:32:59,044 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 860 to 838. [2025-01-09 18:32:59,045 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 838 states, 606 states have (on average 1.3217821782178218) internal successors, (801), 611 states have internal predecessors, (801), 175 states have call successors, (175), 57 states have call predecessors, (175), 56 states have return successors, (174), 174 states have call predecessors, (174), 174 states have call successors, (174) [2025-01-09 18:32:59,049 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 838 states to 838 states and 1150 transitions. [2025-01-09 18:32:59,049 INFO L78 Accepts]: Start accepts. Automaton has 838 states and 1150 transitions. Word has length 160 [2025-01-09 18:32:59,050 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-01-09 18:32:59,050 INFO L471 AbstractCegarLoop]: Abstraction has 838 states and 1150 transitions. [2025-01-09 18:32:59,050 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 37.0) internal successors, (111), 3 states have internal predecessors, (111), 2 states have call successors, (19), 2 states have call predecessors, (19), 2 states have return successors, (18), 2 states have call predecessors, (18), 2 states have call successors, (18) [2025-01-09 18:32:59,050 INFO L276 IsEmpty]: Start isEmpty. Operand 838 states and 1150 transitions. [2025-01-09 18:32:59,052 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 166 [2025-01-09 18:32:59,052 INFO L210 NwaCegarLoop]: Found error trace [2025-01-09 18:32:59,053 INFO L218 NwaCegarLoop]: trace histogram [6, 6, 6, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 18:32:59,064 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Ended with exit code 0 [2025-01-09 18:32:59,253 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4,4 /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-01-09 18:32:59,253 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2025-01-09 18:32:59,253 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-09 18:32:59,254 INFO L85 PathProgramCache]: Analyzing trace with hash 1797826935, now seen corresponding path program 1 times [2025-01-09 18:32:59,254 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-01-09 18:32:59,254 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1704501034] [2025-01-09 18:32:59,254 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-09 18:32:59,254 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-09 18:32:59,596 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 165 statements into 1 equivalence classes. [2025-01-09 18:32:59,616 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 165 of 165 statements. [2025-01-09 18:32:59,616 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-09 18:32:59,616 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-09 18:32:59,770 INFO L134 CoverageAnalysis]: Checked inductivity of 66 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 63 trivial. 0 not checked. [2025-01-09 18:32:59,770 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-01-09 18:32:59,770 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1704501034] [2025-01-09 18:32:59,770 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1704501034] provided 0 perfect and 1 imperfect interpolant sequences [2025-01-09 18:32:59,771 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [180295873] [2025-01-09 18:32:59,771 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-09 18:32:59,771 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-01-09 18:32:59,771 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-01-09 18:32:59,773 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 18:32:59,775 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 18:33:00,494 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 165 statements into 1 equivalence classes. [2025-01-09 18:33:00,762 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 165 of 165 statements. [2025-01-09 18:33:00,762 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-09 18:33:00,762 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-09 18:33:00,774 INFO L256 TraceCheckSpWp]: Trace formula consists of 3546 conjuncts, 2 conjuncts are in the unsatisfiable core [2025-01-09 18:33:00,780 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-01-09 18:33:00,802 INFO L134 CoverageAnalysis]: Checked inductivity of 66 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 64 trivial. 0 not checked. [2025-01-09 18:33:00,802 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2025-01-09 18:33:00,802 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [180295873] provided 1 perfect and 0 imperfect interpolant sequences [2025-01-09 18:33:00,802 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2025-01-09 18:33:00,802 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [4] total 5 [2025-01-09 18:33:00,802 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [578852587] [2025-01-09 18:33:00,802 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-01-09 18:33:00,804 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2025-01-09 18:33:00,804 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-01-09 18:33:00,804 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2025-01-09 18:33:00,804 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2025-01-09 18:33:00,805 INFO L87 Difference]: Start difference. First operand 838 states and 1150 transitions. Second operand has 3 states, 3 states have (on average 36.333333333333336) internal successors, (109), 3 states have internal predecessors, (109), 2 states have call successors, (20), 2 states have call predecessors, (20), 2 states have return successors, (19), 2 states have call predecessors, (19), 2 states have call successors, (19) [2025-01-09 18:33:00,861 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-01-09 18:33:00,862 INFO L93 Difference]: Finished difference Result 1661 states and 2288 transitions. [2025-01-09 18:33:00,862 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-01-09 18:33:00,863 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 36.333333333333336) internal successors, (109), 3 states have internal predecessors, (109), 2 states have call successors, (20), 2 states have call predecessors, (20), 2 states have return successors, (19), 2 states have call predecessors, (19), 2 states have call successors, (19) Word has length 165 [2025-01-09 18:33:00,863 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-01-09 18:33:00,868 INFO L225 Difference]: With dead ends: 1661 [2025-01-09 18:33:00,868 INFO L226 Difference]: Without dead ends: 855 [2025-01-09 18:33:00,870 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 168 GetRequests, 165 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 18:33:00,871 INFO L435 NwaCegarLoop]: 715 mSDtfsCounter, 17 mSDsluCounter, 706 mSDsCounter, 0 mSdLazyCounter, 25 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 19 SdHoareTripleChecker+Valid, 1421 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 18:33:00,871 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [19 Valid, 1421 Invalid, 28 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 25 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2025-01-09 18:33:00,873 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 855 states. [2025-01-09 18:33:00,892 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 855 to 840. [2025-01-09 18:33:00,893 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 840 states, 608 states have (on average 1.3207236842105263) internal successors, (803), 613 states have internal predecessors, (803), 175 states have call successors, (175), 57 states have call predecessors, (175), 56 states have return successors, (174), 174 states have call predecessors, (174), 174 states have call successors, (174) [2025-01-09 18:33:00,896 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 840 states to 840 states and 1152 transitions. [2025-01-09 18:33:00,897 INFO L78 Accepts]: Start accepts. Automaton has 840 states and 1152 transitions. Word has length 165 [2025-01-09 18:33:00,898 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-01-09 18:33:00,898 INFO L471 AbstractCegarLoop]: Abstraction has 840 states and 1152 transitions. [2025-01-09 18:33:00,898 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 36.333333333333336) internal successors, (109), 3 states have internal predecessors, (109), 2 states have call successors, (20), 2 states have call predecessors, (20), 2 states have return successors, (19), 2 states have call predecessors, (19), 2 states have call successors, (19) [2025-01-09 18:33:00,898 INFO L276 IsEmpty]: Start isEmpty. Operand 840 states and 1152 transitions. [2025-01-09 18:33:00,900 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 170 [2025-01-09 18:33:00,901 INFO L210 NwaCegarLoop]: Found error trace [2025-01-09 18:33:00,901 INFO L218 NwaCegarLoop]: trace histogram [6, 6, 6, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 18:33:00,916 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 18:33:01,101 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,SelfDestructingSolverStorable5 [2025-01-09 18:33:01,102 INFO L396 AbstractCegarLoop]: === Iteration 7 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2025-01-09 18:33:01,103 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-09 18:33:01,103 INFO L85 PathProgramCache]: Analyzing trace with hash -1564805278, now seen corresponding path program 1 times [2025-01-09 18:33:01,103 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-01-09 18:33:01,104 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1879458535] [2025-01-09 18:33:01,104 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-09 18:33:01,104 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-09 18:33:01,553 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 169 statements into 1 equivalence classes. [2025-01-09 18:33:01,589 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 169 of 169 statements. [2025-01-09 18:33:01,590 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-09 18:33:01,590 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-09 18:33:01,794 INFO L134 CoverageAnalysis]: Checked inductivity of 67 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 64 trivial. 0 not checked. [2025-01-09 18:33:01,794 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-01-09 18:33:01,794 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1879458535] [2025-01-09 18:33:01,795 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1879458535] provided 0 perfect and 1 imperfect interpolant sequences [2025-01-09 18:33:01,795 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1282584892] [2025-01-09 18:33:01,795 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-09 18:33:01,795 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-01-09 18:33:01,795 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-01-09 18:33:01,798 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 18:33:01,799 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 18:33:02,654 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 169 statements into 1 equivalence classes. [2025-01-09 18:33:02,975 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 169 of 169 statements. [2025-01-09 18:33:02,976 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-09 18:33:02,976 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-09 18:33:02,992 INFO L256 TraceCheckSpWp]: Trace formula consists of 3557 conjuncts, 3 conjuncts are in the unsatisfiable core [2025-01-09 18:33:03,001 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-01-09 18:33:03,023 INFO L134 CoverageAnalysis]: Checked inductivity of 67 backedges. 37 proven. 0 refuted. 0 times theorem prover too weak. 30 trivial. 0 not checked. [2025-01-09 18:33:03,026 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2025-01-09 18:33:03,026 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1282584892] provided 1 perfect and 0 imperfect interpolant sequences [2025-01-09 18:33:03,026 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2025-01-09 18:33:03,026 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [4] total 5 [2025-01-09 18:33:03,026 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2063992278] [2025-01-09 18:33:03,026 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-01-09 18:33:03,026 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2025-01-09 18:33:03,026 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-01-09 18:33:03,027 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2025-01-09 18:33:03,027 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2025-01-09 18:33:03,027 INFO L87 Difference]: Start difference. First operand 840 states and 1152 transitions. Second operand has 3 states, 3 states have (on average 39.333333333333336) internal successors, (118), 3 states have internal predecessors, (118), 3 states have call successors, (20), 2 states have call predecessors, (20), 2 states have return successors, (19), 3 states have call predecessors, (19), 3 states have call successors, (19) [2025-01-09 18:33:03,065 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-01-09 18:33:03,065 INFO L93 Difference]: Finished difference Result 1674 states and 2309 transitions. [2025-01-09 18:33:03,066 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-01-09 18:33:03,066 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 39.333333333333336) internal successors, (118), 3 states have internal predecessors, (118), 3 states have call successors, (20), 2 states have call predecessors, (20), 2 states have return successors, (19), 3 states have call predecessors, (19), 3 states have call successors, (19) Word has length 169 [2025-01-09 18:33:03,068 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-01-09 18:33:03,072 INFO L225 Difference]: With dead ends: 1674 [2025-01-09 18:33:03,073 INFO L226 Difference]: Without dead ends: 866 [2025-01-09 18:33:03,075 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 172 GetRequests, 169 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 18:33:03,076 INFO L435 NwaCegarLoop]: 720 mSDtfsCounter, 17 mSDsluCounter, 705 mSDsCounter, 0 mSdLazyCounter, 9 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 22 SdHoareTripleChecker+Valid, 1425 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 18:33:03,076 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [22 Valid, 1425 Invalid, 9 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 9 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2025-01-09 18:33:03,077 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 866 states. [2025-01-09 18:33:03,095 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 866 to 866. [2025-01-09 18:33:03,097 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 866 states, 628 states have (on average 1.3232484076433122) internal successors, (831), 633 states have internal predecessors, (831), 181 states have call successors, (181), 57 states have call predecessors, (181), 56 states have return successors, (180), 180 states have call predecessors, (180), 180 states have call successors, (180) [2025-01-09 18:33:03,100 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 866 states to 866 states and 1192 transitions. [2025-01-09 18:33:03,101 INFO L78 Accepts]: Start accepts. Automaton has 866 states and 1192 transitions. Word has length 169 [2025-01-09 18:33:03,102 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-01-09 18:33:03,102 INFO L471 AbstractCegarLoop]: Abstraction has 866 states and 1192 transitions. [2025-01-09 18:33:03,102 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 39.333333333333336) internal successors, (118), 3 states have internal predecessors, (118), 3 states have call successors, (20), 2 states have call predecessors, (20), 2 states have return successors, (19), 3 states have call predecessors, (19), 3 states have call successors, (19) [2025-01-09 18:33:03,102 INFO L276 IsEmpty]: Start isEmpty. Operand 866 states and 1192 transitions. [2025-01-09 18:33:03,105 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 175 [2025-01-09 18:33:03,106 INFO L210 NwaCegarLoop]: Found error trace [2025-01-09 18:33:03,106 INFO L218 NwaCegarLoop]: trace histogram [6, 6, 6, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 18:33:03,119 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Forceful destruction successful, exit code 0 [2025-01-09 18:33:03,306 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6,6 /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-01-09 18:33:03,307 INFO L396 AbstractCegarLoop]: === Iteration 8 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2025-01-09 18:33:03,307 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-09 18:33:03,307 INFO L85 PathProgramCache]: Analyzing trace with hash 1881492816, now seen corresponding path program 1 times [2025-01-09 18:33:03,308 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-01-09 18:33:03,308 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [942303878] [2025-01-09 18:33:03,308 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-09 18:33:03,308 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-09 18:33:03,684 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 174 statements into 1 equivalence classes. [2025-01-09 18:33:03,710 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 174 of 174 statements. [2025-01-09 18:33:03,710 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-09 18:33:03,710 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-09 18:33:03,907 INFO L134 CoverageAnalysis]: Checked inductivity of 73 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 70 trivial. 0 not checked. [2025-01-09 18:33:03,907 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-01-09 18:33:03,907 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [942303878] [2025-01-09 18:33:03,907 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [942303878] provided 0 perfect and 1 imperfect interpolant sequences [2025-01-09 18:33:03,907 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1442641974] [2025-01-09 18:33:03,907 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-09 18:33:03,907 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-01-09 18:33:03,907 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-01-09 18:33:03,911 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 18:33:03,914 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 18:33:04,902 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 174 statements into 1 equivalence classes. [2025-01-09 18:33:05,283 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 174 of 174 statements. [2025-01-09 18:33:05,284 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-09 18:33:05,284 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-09 18:33:05,303 INFO L256 TraceCheckSpWp]: Trace formula consists of 3575 conjuncts, 4 conjuncts are in the unsatisfiable core [2025-01-09 18:33:05,309 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-01-09 18:33:05,501 INFO L134 CoverageAnalysis]: Checked inductivity of 73 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 73 trivial. 0 not checked. [2025-01-09 18:33:05,501 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2025-01-09 18:33:05,501 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1442641974] provided 1 perfect and 0 imperfect interpolant sequences [2025-01-09 18:33:05,502 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2025-01-09 18:33:05,502 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [4] total 6 [2025-01-09 18:33:05,502 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [339426686] [2025-01-09 18:33:05,502 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-01-09 18:33:05,502 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2025-01-09 18:33:05,502 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-01-09 18:33:05,502 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2025-01-09 18:33:05,502 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2025-01-09 18:33:05,503 INFO L87 Difference]: Start difference. First operand 866 states and 1192 transitions. Second operand has 4 states, 4 states have (on average 28.25) internal successors, (113), 3 states have internal predecessors, (113), 2 states have call successors, (21), 2 states have call predecessors, (21), 1 states have return successors, (20), 1 states have call predecessors, (20), 1 states have call successors, (20) [2025-01-09 18:33:05,541 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-01-09 18:33:05,541 INFO L93 Difference]: Finished difference Result 1692 states and 2337 transitions. [2025-01-09 18:33:05,541 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-01-09 18:33:05,542 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 28.25) internal successors, (113), 3 states have internal predecessors, (113), 2 states have call successors, (21), 2 states have call predecessors, (21), 1 states have return successors, (20), 1 states have call predecessors, (20), 1 states have call successors, (20) Word has length 174 [2025-01-09 18:33:05,542 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-01-09 18:33:05,543 INFO L225 Difference]: With dead ends: 1692 [2025-01-09 18:33:05,543 INFO L226 Difference]: Without dead ends: 0 [2025-01-09 18:33:05,547 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 178 GetRequests, 173 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2025-01-09 18:33:05,547 INFO L435 NwaCegarLoop]: 710 mSDtfsCounter, 567 mSDsluCounter, 709 mSDsCounter, 0 mSdLazyCounter, 5 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 567 SdHoareTripleChecker+Valid, 1419 SdHoareTripleChecker+Invalid, 5 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 5 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2025-01-09 18:33:05,547 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [567 Valid, 1419 Invalid, 5 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 5 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2025-01-09 18:33:05,552 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2025-01-09 18:33:05,552 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2025-01-09 18:33:05,552 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 18:33:05,552 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2025-01-09 18:33:05,552 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 174 [2025-01-09 18:33:05,553 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-01-09 18:33:05,553 INFO L471 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2025-01-09 18:33:05,553 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 28.25) internal successors, (113), 3 states have internal predecessors, (113), 2 states have call successors, (21), 2 states have call predecessors, (21), 1 states have return successors, (20), 1 states have call predecessors, (20), 1 states have call successors, (20) [2025-01-09 18:33:05,553 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2025-01-09 18:33:05,553 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2025-01-09 18:33:05,555 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2025-01-09 18:33:05,572 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 18:33:05,756 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,SelfDestructingSolverStorable7 [2025-01-09 18:33:05,758 INFO L422 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1, 1, 1, 1] [2025-01-09 18:33:05,759 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2025-01-09 18:33:07,035 INFO L170 ceAbstractionStarter]: Computing trace abstraction results [2025-01-09 18:33:07,064 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 09.01 06:33:07 BoogieIcfgContainer [2025-01-09 18:33:07,065 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2025-01-09 18:33:07,068 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2025-01-09 18:33:07,068 INFO L270 PluginConnector]: Initializing Witness Printer... [2025-01-09 18:33:07,069 INFO L274 PluginConnector]: Witness Printer initialized [2025-01-09 18:33:07,069 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.01 06:32:50" (3/4) ... [2025-01-09 18:33:07,071 INFO L146 WitnessPrinter]: Generating witness for correct program [2025-01-09 18:33:07,077 INFO L362 RCFGBacktranslator]: Ignoring RootEdge to procedure copy_from_user [2025-01-09 18:33:07,078 INFO L362 RCFGBacktranslator]: Ignoring RootEdge to procedure pi_release [2025-01-09 18:33:07,078 INFO L362 RCFGBacktranslator]: Ignoring RootEdge to procedure pi_init [2025-01-09 18:33:07,078 INFO L362 RCFGBacktranslator]: Ignoring RootEdge to procedure write_reg [2025-01-09 18:33:07,078 INFO L362 RCFGBacktranslator]: Ignoring RootEdge to procedure pg_sleep [2025-01-09 18:33:07,078 INFO L362 RCFGBacktranslator]: Ignoring RootEdge to procedure pi_read_regr [2025-01-09 18:33:07,078 INFO L362 RCFGBacktranslator]: Ignoring RootEdge to procedure might_fault [2025-01-09 18:33:07,078 INFO L362 RCFGBacktranslator]: Ignoring RootEdge to procedure printk [2025-01-09 18:33:07,078 INFO L362 RCFGBacktranslator]: Ignoring RootEdge to procedure pi_disconnect [2025-01-09 18:33:07,078 INFO L362 RCFGBacktranslator]: Ignoring RootEdge to procedure pg_probe [2025-01-09 18:33:07,078 INFO L362 RCFGBacktranslator]: Ignoring RootEdge to procedure status_reg [2025-01-09 18:33:07,078 INFO L362 RCFGBacktranslator]: Ignoring RootEdge to procedure pg_completion [2025-01-09 18:33:07,079 INFO L362 RCFGBacktranslator]: Ignoring RootEdge to procedure DRIVE [2025-01-09 18:33:07,079 INFO L362 RCFGBacktranslator]: Ignoring RootEdge to procedure copy_to_user [2025-01-09 18:33:07,079 INFO L362 RCFGBacktranslator]: Ignoring RootEdge to procedure pg_wait [2025-01-09 18:33:07,079 INFO L362 RCFGBacktranslator]: Ignoring RootEdge to procedure ldv_error [2025-01-09 18:33:07,079 INFO L362 RCFGBacktranslator]: Ignoring RootEdge to procedure pg_write [2025-01-09 18:33:07,079 INFO L362 RCFGBacktranslator]: Ignoring RootEdge to procedure pi_connect [2025-01-09 18:33:07,079 INFO L362 RCFGBacktranslator]: Ignoring RootEdge to procedure _copy_to_user [2025-01-09 18:33:07,079 INFO L362 RCFGBacktranslator]: Ignoring RootEdge to procedure ldv_stop [2025-01-09 18:33:07,079 INFO L362 RCFGBacktranslator]: Ignoring RootEdge to procedure pg_command [2025-01-09 18:33:07,079 INFO L362 RCFGBacktranslator]: Ignoring RootEdge to procedure ldv__builtin_expect [2025-01-09 18:33:07,079 INFO L362 RCFGBacktranslator]: Ignoring RootEdge to procedure clear_bit [2025-01-09 18:33:07,079 INFO L362 RCFGBacktranslator]: Ignoring RootEdge to procedure read_reg [2025-01-09 18:33:07,079 INFO L362 RCFGBacktranslator]: Ignoring RootEdge to procedure assume_abort_if_not [2025-01-09 18:33:07,079 INFO L362 RCFGBacktranslator]: Ignoring RootEdge to procedure ldv_unregister_chrdev_20 [2025-01-09 18:33:07,079 INFO L362 RCFGBacktranslator]: Ignoring RootEdge to procedure pg_reset [2025-01-09 18:33:07,080 INFO L362 RCFGBacktranslator]: Ignoring RootEdge to procedure ldv_malloc [2025-01-09 18:33:07,080 INFO L362 RCFGBacktranslator]: Ignoring RootEdge to procedure ldv_zalloc [2025-01-09 18:33:07,080 INFO L362 RCFGBacktranslator]: Ignoring RootEdge to procedure _copy_from_user [2025-01-09 18:33:07,080 INFO L362 RCFGBacktranslator]: Ignoring RootEdge to procedure xs [2025-01-09 18:33:07,080 INFO L362 RCFGBacktranslator]: Ignoring RootEdge to procedure pg_identify [2025-01-09 18:33:07,080 INFO L362 RCFGBacktranslator]: Ignoring RootEdge to procedure pi_write_block [2025-01-09 18:33:07,080 INFO L362 RCFGBacktranslator]: Ignoring RootEdge to procedure IS_ERR [2025-01-09 18:33:07,118 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 217 nodes and edges [2025-01-09 18:33:07,122 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 98 nodes and edges [2025-01-09 18:33:07,126 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 32 nodes and edges [2025-01-09 18:33:07,130 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 13 nodes and edges [2025-01-09 18:33:07,134 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2025-01-09 18:33:07,138 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2025-01-09 18:33:07,141 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2025-01-09 18:33:07,321 INFO L149 WitnessManager]: Wrote witness to /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/witness.graphml [2025-01-09 18:33:07,321 INFO L149 WitnessManager]: Wrote witness to /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/witness.yml [2025-01-09 18:33:07,321 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2025-01-09 18:33:07,322 INFO L158 Benchmark]: Toolchain (without parser) took 24096.68ms. Allocated memory was 142.6MB in the beginning and 855.6MB in the end (delta: 713.0MB). Free memory was 100.4MB in the beginning and 495.7MB in the end (delta: -395.3MB). Peak memory consumption was 315.8MB. Max. memory is 16.1GB. [2025-01-09 18:33:07,322 INFO L158 Benchmark]: CDTParser took 0.92ms. Allocated memory is still 201.3MB. Free memory is still 127.1MB. There was no memory consumed. Max. memory is 16.1GB. [2025-01-09 18:33:07,323 INFO L158 Benchmark]: CACSL2BoogieTranslator took 875.92ms. Allocated memory is still 142.6MB. Free memory was 100.4MB in the beginning and 82.2MB in the end (delta: 18.2MB). Peak memory consumption was 84.1MB. Max. memory is 16.1GB. [2025-01-09 18:33:07,323 INFO L158 Benchmark]: Boogie Procedure Inliner took 123.85ms. Allocated memory is still 142.6MB. Free memory was 82.2MB in the beginning and 68.1MB in the end (delta: 14.0MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2025-01-09 18:33:07,323 INFO L158 Benchmark]: Boogie Preprocessor took 232.43ms. Allocated memory is still 142.6MB. Free memory was 68.1MB in the beginning and 44.6MB in the end (delta: 23.6MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2025-01-09 18:33:07,323 INFO L158 Benchmark]: RCFGBuilder took 6070.36ms. Allocated memory was 142.6MB in the beginning and 310.4MB in the end (delta: 167.8MB). Free memory was 44.6MB in the beginning and 112.2MB in the end (delta: -67.6MB). Peak memory consumption was 115.8MB. Max. memory is 16.1GB. [2025-01-09 18:33:07,323 INFO L158 Benchmark]: TraceAbstraction took 16531.45ms. Allocated memory was 310.4MB in the beginning and 855.6MB in the end (delta: 545.3MB). Free memory was 112.2MB in the beginning and 528.9MB in the end (delta: -416.7MB). Peak memory consumption was 130.9MB. Max. memory is 16.1GB. [2025-01-09 18:33:07,323 INFO L158 Benchmark]: Witness Printer took 253.00ms. Allocated memory is still 855.6MB. Free memory was 528.9MB in the beginning and 495.7MB in the end (delta: 33.3MB). Peak memory consumption was 33.6MB. Max. memory is 16.1GB. [2025-01-09 18:33:07,324 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.92ms. Allocated memory is still 201.3MB. Free memory is still 127.1MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 875.92ms. Allocated memory is still 142.6MB. Free memory was 100.4MB in the beginning and 82.2MB in the end (delta: 18.2MB). Peak memory consumption was 84.1MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 123.85ms. Allocated memory is still 142.6MB. Free memory was 82.2MB in the beginning and 68.1MB in the end (delta: 14.0MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * Boogie Preprocessor took 232.43ms. Allocated memory is still 142.6MB. Free memory was 68.1MB in the beginning and 44.6MB in the end (delta: 23.6MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * RCFGBuilder took 6070.36ms. Allocated memory was 142.6MB in the beginning and 310.4MB in the end (delta: 167.8MB). Free memory was 44.6MB in the beginning and 112.2MB in the end (delta: -67.6MB). Peak memory consumption was 115.8MB. Max. memory is 16.1GB. * TraceAbstraction took 16531.45ms. Allocated memory was 310.4MB in the beginning and 855.6MB in the end (delta: 545.3MB). Free memory was 112.2MB in the beginning and 528.9MB in the end (delta: -416.7MB). Peak memory consumption was 130.9MB. Max. memory is 16.1GB. * Witness Printer took 253.00ms. Allocated memory is still 855.6MB. Free memory was 528.9MB in the beginning and 495.7MB 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: 3152]: 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)); [3152] - GenericResultAtLocation [Line: 3160]: 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, %0; setc %1": "+m" (*addr), "=qm" (c): "Ir" (nr): "memory"); [3160-3161] * 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: 3271]: 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 35 procedures, 551 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 15.2s, OverallIterations: 8, TraceHistogramMax: 6, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.1s, AutomataDifference: 0.6s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 1106 SdHoareTripleChecker+Valid, 0.2s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 1095 mSDsluCounter, 11658 SdHoareTripleChecker+Invalid, 0.1s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 5698 mSDsCounter, 7 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 91 IncrementalHoareTripleChecker+Invalid, 98 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 7 mSolverCounterUnsat, 5960 mSDtfsCounter, 91 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 1009 GetRequests, 987 SyntacticMatches, 0 SemanticMatches, 22 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 7 ImplicationChecksByTransitivity, 0.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=866occurred in iteration=7, InterpolantAutomatonStates: 25, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.3s AutomataMinimizationTime, 8 MinimizatonAttempts, 51 StatesRemovedByMinimization, 4 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.6s SsaConstructionTime, 2.4s SatisfiabilityAnalysisTime, 2.5s InterpolantComputationTime, 2217 NumberOfCodeBlocks, 2217 NumberOfCodeBlocksAsserted, 14 NumberOfCheckSat, 2203 ConstructedInterpolants, 0 QuantifiedInterpolants, 2655 SizeOfPredicates, 1 NumberOfNonLiveVariables, 21090 ConjunctsInSsa, 15 ConjunctsInUnsatCore, 14 InterpolantComputations, 8 PerfectInterpolantSequences, 891/897 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: 3607]: Location Invariant Derived location invariant: (ldv_spin == 0) - InvariantResult [Line: 3655]: Location Invariant Derived location invariant: (ldv_spin == 0) - InvariantResult [Line: 4162]: Location Invariant Derived location invariant: (ldv_spin == 0) - InvariantResult [Line: 3634]: Location Invariant Derived location invariant: (ldv_spin == 0) - InvariantResult [Line: 3806]: Location Invariant Derived location invariant: (ldv_spin == 0) - InvariantResult [Line: 3655]: Location Invariant Derived location invariant: (ldv_spin == 0) - InvariantResult [Line: 3506]: Location Invariant Derived location invariant: (ldv_spin == 0) - InvariantResult [Line: 3447]: Loop Invariant Derived loop invariant: (ldv_spin == 0) RESULT: Ultimate proved your program to be correct! [2025-01-09 18:33:07,345 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: TRUE