./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--pt.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--pt.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 0e5349f2aac0388d197fa32950f3e69d3339933dee46585f91772f9bda921aa4 --- Real Ultimate output --- This is Ultimate 0.3.0-?-551b009-m [2025-01-09 18:32:48,347 INFO L188 SettingsManager]: Resetting all preferences to default values... [2025-01-09 18:32:48,404 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Default.epf [2025-01-09 18:32:48,409 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2025-01-09 18:32:48,412 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2025-01-09 18:32:48,436 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2025-01-09 18:32:48,437 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2025-01-09 18:32:48,437 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2025-01-09 18:32:48,437 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2025-01-09 18:32:48,438 INFO L153 SettingsManager]: * Use memory slicer=true [2025-01-09 18:32:48,438 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2025-01-09 18:32:48,438 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2025-01-09 18:32:48,439 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2025-01-09 18:32:48,439 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2025-01-09 18:32:48,439 INFO L153 SettingsManager]: * Use SBE=true [2025-01-09 18:32:48,439 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2025-01-09 18:32:48,440 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2025-01-09 18:32:48,440 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2025-01-09 18:32:48,440 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2025-01-09 18:32:48,440 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2025-01-09 18:32:48,440 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2025-01-09 18:32:48,440 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2025-01-09 18:32:48,440 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2025-01-09 18:32:48,440 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2025-01-09 18:32:48,440 INFO L153 SettingsManager]: * Use constant arrays=true [2025-01-09 18:32:48,440 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2025-01-09 18:32:48,440 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2025-01-09 18:32:48,440 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2025-01-09 18:32:48,440 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2025-01-09 18:32:48,441 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2025-01-09 18:32:48,441 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2025-01-09 18:32:48,441 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2025-01-09 18:32:48,441 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2025-01-09 18:32:48,441 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2025-01-09 18:32:48,441 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2025-01-09 18:32:48,442 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2025-01-09 18:32:48,442 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2025-01-09 18:32:48,442 INFO L153 SettingsManager]: * Compute procedure contracts=false [2025-01-09 18:32:48,442 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2025-01-09 18:32:48,442 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2025-01-09 18:32:48,442 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2025-01-09 18:32:48,442 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2025-01-09 18:32:48,442 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2025-01-09 18:32:48,442 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2025-01-09 18:32:48,442 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2025-01-09 18:32:48,443 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 -> 0e5349f2aac0388d197fa32950f3e69d3339933dee46585f91772f9bda921aa4 [2025-01-09 18:32:48,644 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2025-01-09 18:32:48,649 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2025-01-09 18:32:48,650 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2025-01-09 18:32:48,652 INFO L270 PluginConnector]: Initializing CDTParser... [2025-01-09 18:32:48,652 INFO L274 PluginConnector]: CDTParser initialized [2025-01-09 18:32:48,653 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/ldv-linux-3.16-rc1/43_2a_consumption_linux-3.16-rc1.tar.xz-43_2a-drivers--block--paride--pt.ko-entry_point.cil.out.i [2025-01-09 18:32:49,817 INFO L533 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/b6eace97a/b6bbf06f872a4788925f2ce8d721e4c1/FLAG2c0ea2737 [2025-01-09 18:32:50,310 INFO L384 CDTParser]: Found 1 translation units. [2025-01-09 18:32:50,312 INFO L180 CDTParser]: Scanning /storage/repos/ultimate-jdk21/releaseScripts/default/sv-benchmarks/c/ldv-linux-3.16-rc1/43_2a_consumption_linux-3.16-rc1.tar.xz-43_2a-drivers--block--paride--pt.ko-entry_point.cil.out.i [2025-01-09 18:32:50,340 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/b6eace97a/b6bbf06f872a4788925f2ce8d721e4c1/FLAG2c0ea2737 [2025-01-09 18:32:50,354 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/b6eace97a/b6bbf06f872a4788925f2ce8d721e4c1 [2025-01-09 18:32:50,357 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2025-01-09 18:32:50,358 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2025-01-09 18:32:50,359 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2025-01-09 18:32:50,360 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2025-01-09 18:32:50,362 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2025-01-09 18:32:50,363 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.01 06:32:50" (1/1) ... [2025-01-09 18:32:50,363 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@ef4107c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 06:32:50, skipping insertion in model container [2025-01-09 18:32:50,364 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.01 06:32:50" (1/1) ... [2025-01-09 18:32:50,418 INFO L175 MainTranslator]: Built tables and reachable declarations [2025-01-09 18:32:50,716 WARN L1383 CHandler]: Detected problem Invalid redeclaration of the name show at C: (*show)(struct kobject___0 * , struct attribute___0 * , char * ) [3059] [2025-01-09 18:32:50,716 WARN L1383 CHandler]: Detected problem Invalid redeclaration of the name store at C: (*store)(struct kobject___0 * , struct attribute___0 * , char const * , size_t ) [3060-3061] [2025-01-09 18:32:50,792 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--pt.ko-entry_point.cil.out.i[90990,91003] [2025-01-09 18:32:51,045 INFO L210 PostProcessor]: Analyzing one entry point: main [2025-01-09 18:32:51,073 INFO L200 MainTranslator]: Completed pre-run [2025-01-09 18:32:51,134 WARN L1383 CHandler]: Detected problem Invalid redeclaration of the name show at C: (*show)(struct kobject___0 * , struct attribute___0 * , char * ) [3059] [2025-01-09 18:32:51,134 WARN L1383 CHandler]: Detected problem Invalid redeclaration of the name store at C: (*store)(struct kobject___0 * , struct attribute___0 * , char const * , size_t ) [3060-3061] [2025-01-09 18:32:51,138 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; incl %0": "+m" (v->counter)); [3171] [2025-01-09 18:32:51,139 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; decl %0; sete %1": "+m" (v->counter), "=qm" (c): : "memory"); [3179-3180] [2025-01-09 18:32:51,144 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--pt.ko-entry_point.cil.out.i[90990,91003] [2025-01-09 18:32:51,265 INFO L210 PostProcessor]: Analyzing one entry point: main [2025-01-09 18:32:51,304 INFO L204 MainTranslator]: Completed translation [2025-01-09 18:32:51,306 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 06:32:51 WrapperNode [2025-01-09 18:32:51,306 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2025-01-09 18:32:51,307 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2025-01-09 18:32:51,308 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2025-01-09 18:32:51,308 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2025-01-09 18:32:51,312 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 06:32:51" (1/1) ... [2025-01-09 18:32:51,353 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 06:32:51" (1/1) ... [2025-01-09 18:32:51,436 INFO L138 Inliner]: procedures = 121, calls = 1489, calls flagged for inlining = 38, calls inlined = 36, statements flattened = 2419 [2025-01-09 18:32:51,436 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2025-01-09 18:32:51,437 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2025-01-09 18:32:51,437 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2025-01-09 18:32:51,437 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2025-01-09 18:32:51,443 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 06:32:51" (1/1) ... [2025-01-09 18:32:51,443 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 06:32:51" (1/1) ... [2025-01-09 18:32:51,464 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 06:32:51" (1/1) ... [2025-01-09 18:32:51,546 INFO L175 MemorySlicer]: Split 1100 memory accesses to 19 slices as follows [2, 11, 11, 5, 8, 6, 2, 1, 6, 392, 3, 512, 31, 13, 3, 11, 24, 29, 30]. 47 percent of accesses are in the largest equivalence class. The 797 initializations are split as follows [2, 11, 11, 5, 0, 6, 0, 1, 0, 176, 3, 512, 24, 13, 0, 4, 0, 29, 0]. The 204 writes are split as follows [0, 0, 0, 0, 2, 0, 2, 0, 5, 139, 0, 0, 0, 0, 2, 0, 24, 0, 30]. [2025-01-09 18:32:51,547 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 06:32:51" (1/1) ... [2025-01-09 18:32:51,547 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 06:32:51" (1/1) ... [2025-01-09 18:32:51,650 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 06:32:51" (1/1) ... [2025-01-09 18:32:51,654 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 06:32:51" (1/1) ... [2025-01-09 18:32:51,666 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 06:32:51" (1/1) ... [2025-01-09 18:32:51,681 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 06:32:51" (1/1) ... [2025-01-09 18:32:51,697 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 06:32:51" (1/1) ... [2025-01-09 18:32:51,720 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2025-01-09 18:32:51,721 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2025-01-09 18:32:51,721 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2025-01-09 18:32:51,721 INFO L274 PluginConnector]: RCFGBuilder initialized [2025-01-09 18:32:51,722 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 06:32:51" (1/1) ... [2025-01-09 18:32:51,725 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2025-01-09 18:32:51,733 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-01-09 18:32:51,743 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 18:32:51,749 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 18:32:51,765 INFO L130 BoogieDeclarations]: Found specification of procedure pi_release [2025-01-09 18:32:51,765 INFO L138 BoogieDeclarations]: Found implementation of procedure pi_release [2025-01-09 18:32:51,766 INFO L130 BoogieDeclarations]: Found specification of procedure write_reg [2025-01-09 18:32:51,766 INFO L138 BoogieDeclarations]: Found implementation of procedure write_reg [2025-01-09 18:32:51,766 INFO L130 BoogieDeclarations]: Found specification of procedure pi_disconnect [2025-01-09 18:32:51,766 INFO L138 BoogieDeclarations]: Found implementation of procedure pi_disconnect [2025-01-09 18:32:51,766 INFO L130 BoogieDeclarations]: Found specification of procedure status_reg [2025-01-09 18:32:51,766 INFO L138 BoogieDeclarations]: Found implementation of procedure status_reg [2025-01-09 18:32:51,766 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#0 [2025-01-09 18:32:51,766 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#1 [2025-01-09 18:32:51,766 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#2 [2025-01-09 18:32:51,766 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#3 [2025-01-09 18:32:51,766 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#4 [2025-01-09 18:32:51,767 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#5 [2025-01-09 18:32:51,767 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#6 [2025-01-09 18:32:51,767 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#7 [2025-01-09 18:32:51,767 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#8 [2025-01-09 18:32:51,767 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#9 [2025-01-09 18:32:51,767 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#10 [2025-01-09 18:32:51,767 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#11 [2025-01-09 18:32:51,767 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#12 [2025-01-09 18:32:51,768 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#13 [2025-01-09 18:32:51,768 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#14 [2025-01-09 18:32:51,768 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#15 [2025-01-09 18:32:51,768 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#16 [2025-01-09 18:32:51,768 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#17 [2025-01-09 18:32:51,769 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#18 [2025-01-09 18:32:51,769 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#0 [2025-01-09 18:32:51,769 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#1 [2025-01-09 18:32:51,769 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#2 [2025-01-09 18:32:51,769 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#3 [2025-01-09 18:32:51,769 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#4 [2025-01-09 18:32:51,769 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#5 [2025-01-09 18:32:51,769 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#6 [2025-01-09 18:32:51,769 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#7 [2025-01-09 18:32:51,769 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#8 [2025-01-09 18:32:51,769 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#9 [2025-01-09 18:32:51,769 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#10 [2025-01-09 18:32:51,769 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#11 [2025-01-09 18:32:51,769 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#12 [2025-01-09 18:32:51,769 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#13 [2025-01-09 18:32:51,769 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#14 [2025-01-09 18:32:51,769 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#15 [2025-01-09 18:32:51,770 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#16 [2025-01-09 18:32:51,770 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#17 [2025-01-09 18:32:51,770 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#18 [2025-01-09 18:32:51,770 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2025-01-09 18:32:51,770 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2025-01-09 18:32:51,770 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#0 [2025-01-09 18:32:51,770 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#1 [2025-01-09 18:32:51,770 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#2 [2025-01-09 18:32:51,770 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#3 [2025-01-09 18:32:51,770 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#4 [2025-01-09 18:32:51,770 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#5 [2025-01-09 18:32:51,770 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#6 [2025-01-09 18:32:51,770 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#7 [2025-01-09 18:32:51,770 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#8 [2025-01-09 18:32:51,770 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#9 [2025-01-09 18:32:51,770 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#10 [2025-01-09 18:32:51,770 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#11 [2025-01-09 18:32:51,770 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#12 [2025-01-09 18:32:51,770 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#13 [2025-01-09 18:32:51,770 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#14 [2025-01-09 18:32:51,770 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#15 [2025-01-09 18:32:51,770 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#16 [2025-01-09 18:32:51,770 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#17 [2025-01-09 18:32:51,770 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#18 [2025-01-09 18:32:51,770 INFO L130 BoogieDeclarations]: Found specification of procedure pi_read_block [2025-01-09 18:32:51,770 INFO L138 BoogieDeclarations]: Found implementation of procedure pi_read_block [2025-01-09 18:32:51,770 INFO L130 BoogieDeclarations]: Found specification of procedure read_reg [2025-01-09 18:32:51,770 INFO L138 BoogieDeclarations]: Found implementation of procedure read_reg [2025-01-09 18:32:51,770 INFO L130 BoogieDeclarations]: Found specification of procedure pt_media_access_cmd [2025-01-09 18:32:51,770 INFO L138 BoogieDeclarations]: Found implementation of procedure pt_media_access_cmd [2025-01-09 18:32:51,770 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2025-01-09 18:32:51,770 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2025-01-09 18:32:51,770 INFO L130 BoogieDeclarations]: Found specification of procedure pt_reset [2025-01-09 18:32:51,770 INFO L138 BoogieDeclarations]: Found implementation of procedure pt_reset [2025-01-09 18:32:51,770 INFO L130 BoogieDeclarations]: Found specification of procedure pt_identify [2025-01-09 18:32:51,770 INFO L138 BoogieDeclarations]: Found implementation of procedure pt_identify [2025-01-09 18:32:51,770 INFO L130 BoogieDeclarations]: Found specification of procedure pt_command [2025-01-09 18:32:51,770 INFO L138 BoogieDeclarations]: Found implementation of procedure pt_command [2025-01-09 18:32:51,770 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#0 [2025-01-09 18:32:51,770 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#1 [2025-01-09 18:32:51,770 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#2 [2025-01-09 18:32:51,771 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#3 [2025-01-09 18:32:51,771 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#4 [2025-01-09 18:32:51,771 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#5 [2025-01-09 18:32:51,771 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#6 [2025-01-09 18:32:51,771 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#7 [2025-01-09 18:32:51,771 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#8 [2025-01-09 18:32:51,771 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#9 [2025-01-09 18:32:51,771 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#10 [2025-01-09 18:32:51,771 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#11 [2025-01-09 18:32:51,771 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#12 [2025-01-09 18:32:51,771 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#13 [2025-01-09 18:32:51,771 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#14 [2025-01-09 18:32:51,771 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#15 [2025-01-09 18:32:51,771 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#16 [2025-01-09 18:32:51,771 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#17 [2025-01-09 18:32:51,771 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#18 [2025-01-09 18:32:51,774 INFO L130 BoogieDeclarations]: Found specification of procedure pt_write [2025-01-09 18:32:51,774 INFO L138 BoogieDeclarations]: Found implementation of procedure pt_write [2025-01-09 18:32:51,774 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_unlock [2025-01-09 18:32:51,774 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_unlock [2025-01-09 18:32:51,774 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_error [2025-01-09 18:32:51,774 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_error [2025-01-09 18:32:51,774 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2025-01-09 18:32:51,774 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2025-01-09 18:32:51,774 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2025-01-09 18:32:51,774 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2025-01-09 18:32:51,774 INFO L130 BoogieDeclarations]: Found specification of procedure pt_atapi [2025-01-09 18:32:51,774 INFO L138 BoogieDeclarations]: Found implementation of procedure pt_atapi [2025-01-09 18:32:51,774 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2025-01-09 18:32:51,774 INFO L130 BoogieDeclarations]: Found specification of procedure pt_poll_dsc [2025-01-09 18:32:51,774 INFO L138 BoogieDeclarations]: Found implementation of procedure pt_poll_dsc [2025-01-09 18:32:51,775 INFO L130 BoogieDeclarations]: Found specification of procedure pt_req_sense [2025-01-09 18:32:51,775 INFO L138 BoogieDeclarations]: Found implementation of procedure pt_req_sense [2025-01-09 18:32:51,775 INFO L130 BoogieDeclarations]: Found specification of procedure copy_from_user [2025-01-09 18:32:51,775 INFO L138 BoogieDeclarations]: Found implementation of procedure copy_from_user [2025-01-09 18:32:51,775 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2025-01-09 18:32:51,775 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_inc [2025-01-09 18:32:51,775 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_inc [2025-01-09 18:32:51,775 INFO L130 BoogieDeclarations]: Found specification of procedure __const_udelay [2025-01-09 18:32:51,775 INFO L138 BoogieDeclarations]: Found implementation of procedure __const_udelay [2025-01-09 18:32:51,775 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#0 [2025-01-09 18:32:51,775 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#1 [2025-01-09 18:32:51,775 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#2 [2025-01-09 18:32:51,775 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#3 [2025-01-09 18:32:51,775 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#4 [2025-01-09 18:32:51,775 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#5 [2025-01-09 18:32:51,775 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#6 [2025-01-09 18:32:51,775 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#7 [2025-01-09 18:32:51,775 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#8 [2025-01-09 18:32:51,775 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#9 [2025-01-09 18:32:51,775 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#10 [2025-01-09 18:32:51,775 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#11 [2025-01-09 18:32:51,775 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#12 [2025-01-09 18:32:51,775 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#13 [2025-01-09 18:32:51,775 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#14 [2025-01-09 18:32:51,775 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#15 [2025-01-09 18:32:51,775 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#16 [2025-01-09 18:32:51,775 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#17 [2025-01-09 18:32:51,775 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#18 [2025-01-09 18:32:51,775 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2025-01-09 18:32:51,775 INFO L130 BoogieDeclarations]: Found specification of procedure DRIVE [2025-01-09 18:32:51,776 INFO L138 BoogieDeclarations]: Found implementation of procedure DRIVE [2025-01-09 18:32:51,776 INFO L130 BoogieDeclarations]: Found specification of procedure _copy_to_user [2025-01-09 18:32:51,776 INFO L138 BoogieDeclarations]: Found implementation of procedure _copy_to_user [2025-01-09 18:32:51,776 INFO L130 BoogieDeclarations]: Found specification of procedure pt_completion [2025-01-09 18:32:51,776 INFO L138 BoogieDeclarations]: Found implementation of procedure pt_completion [2025-01-09 18:32:51,776 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#0 [2025-01-09 18:32:51,776 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#1 [2025-01-09 18:32:51,776 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#2 [2025-01-09 18:32:51,776 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#3 [2025-01-09 18:32:51,776 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#4 [2025-01-09 18:32:51,776 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#5 [2025-01-09 18:32:51,776 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#6 [2025-01-09 18:32:51,776 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#7 [2025-01-09 18:32:51,776 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#8 [2025-01-09 18:32:51,776 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#9 [2025-01-09 18:32:51,776 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#10 [2025-01-09 18:32:51,776 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#11 [2025-01-09 18:32:51,776 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#12 [2025-01-09 18:32:51,776 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#13 [2025-01-09 18:32:51,776 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#14 [2025-01-09 18:32:51,776 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#15 [2025-01-09 18:32:51,776 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#16 [2025-01-09 18:32:51,776 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#17 [2025-01-09 18:32:51,776 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#18 [2025-01-09 18:32:51,776 INFO L130 BoogieDeclarations]: Found specification of procedure pt_sleep [2025-01-09 18:32:51,776 INFO L138 BoogieDeclarations]: Found implementation of procedure pt_sleep [2025-01-09 18:32:51,776 INFO L130 BoogieDeclarations]: Found specification of procedure pt_write_fm [2025-01-09 18:32:51,776 INFO L138 BoogieDeclarations]: Found implementation of procedure pt_write_fm [2025-01-09 18:32:51,776 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_unregister_chrdev_20 [2025-01-09 18:32:51,776 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_unregister_chrdev_20 [2025-01-09 18:32:51,776 INFO L130 BoogieDeclarations]: Found specification of procedure iminor [2025-01-09 18:32:51,776 INFO L138 BoogieDeclarations]: Found implementation of procedure iminor [2025-01-09 18:32:51,776 INFO L130 BoogieDeclarations]: Found specification of procedure pi_write_block [2025-01-09 18:32:51,776 INFO L138 BoogieDeclarations]: Found implementation of procedure pi_write_block [2025-01-09 18:32:51,776 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2025-01-09 18:32:51,776 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#0 [2025-01-09 18:32:51,776 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#1 [2025-01-09 18:32:51,776 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#2 [2025-01-09 18:32:51,776 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#3 [2025-01-09 18:32:51,776 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#4 [2025-01-09 18:32:51,776 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#5 [2025-01-09 18:32:51,776 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#6 [2025-01-09 18:32:51,776 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#7 [2025-01-09 18:32:51,776 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#8 [2025-01-09 18:32:51,776 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#9 [2025-01-09 18:32:51,777 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#10 [2025-01-09 18:32:51,777 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#11 [2025-01-09 18:32:51,777 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#12 [2025-01-09 18:32:51,777 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#13 [2025-01-09 18:32:51,777 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#14 [2025-01-09 18:32:51,777 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#15 [2025-01-09 18:32:51,778 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#16 [2025-01-09 18:32:51,778 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#17 [2025-01-09 18:32:51,778 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#18 [2025-01-09 18:32:51,779 INFO L130 BoogieDeclarations]: Found specification of procedure pi_init [2025-01-09 18:32:51,779 INFO L138 BoogieDeclarations]: Found implementation of procedure pi_init [2025-01-09 18:32:51,779 INFO L130 BoogieDeclarations]: Found specification of procedure pi_read_regr [2025-01-09 18:32:51,779 INFO L138 BoogieDeclarations]: Found implementation of procedure pi_read_regr [2025-01-09 18:32:51,779 INFO L130 BoogieDeclarations]: Found specification of procedure might_fault [2025-01-09 18:32:51,779 INFO L138 BoogieDeclarations]: Found implementation of procedure might_fault [2025-01-09 18:32:51,779 INFO L130 BoogieDeclarations]: Found specification of procedure printk [2025-01-09 18:32:51,779 INFO L138 BoogieDeclarations]: Found implementation of procedure printk [2025-01-09 18:32:51,779 INFO L130 BoogieDeclarations]: Found specification of procedure pt_wait [2025-01-09 18:32:51,779 INFO L138 BoogieDeclarations]: Found implementation of procedure pt_wait [2025-01-09 18:32:51,779 INFO L130 BoogieDeclarations]: Found specification of procedure pi_connect [2025-01-09 18:32:51,779 INFO L138 BoogieDeclarations]: Found implementation of procedure pi_connect [2025-01-09 18:32:51,779 INFO L130 BoogieDeclarations]: Found specification of procedure device_destroy [2025-01-09 18:32:51,779 INFO L138 BoogieDeclarations]: Found implementation of procedure device_destroy [2025-01-09 18:32:51,779 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_lock_nested [2025-01-09 18:32:51,779 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_lock_nested [2025-01-09 18:32:51,779 INFO L130 BoogieDeclarations]: Found specification of procedure pt_probe [2025-01-09 18:32:51,780 INFO L138 BoogieDeclarations]: Found implementation of procedure pt_probe [2025-01-09 18:32:51,780 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2025-01-09 18:32:51,780 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#1 [2025-01-09 18:32:51,780 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#2 [2025-01-09 18:32:51,780 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#3 [2025-01-09 18:32:51,780 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#4 [2025-01-09 18:32:51,780 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#5 [2025-01-09 18:32:51,780 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#6 [2025-01-09 18:32:51,780 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#7 [2025-01-09 18:32:51,780 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#8 [2025-01-09 18:32:51,780 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#9 [2025-01-09 18:32:51,780 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#10 [2025-01-09 18:32:51,780 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#11 [2025-01-09 18:32:51,780 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#12 [2025-01-09 18:32:51,780 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#13 [2025-01-09 18:32:51,780 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#14 [2025-01-09 18:32:51,781 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#15 [2025-01-09 18:32:51,781 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#16 [2025-01-09 18:32:51,781 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#17 [2025-01-09 18:32:51,781 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#18 [2025-01-09 18:32:51,781 INFO L130 BoogieDeclarations]: Found specification of procedure pt_rewind [2025-01-09 18:32:51,781 INFO L138 BoogieDeclarations]: Found implementation of procedure pt_rewind [2025-01-09 18:32:51,781 INFO L130 BoogieDeclarations]: Found specification of procedure device_create [2025-01-09 18:32:51,781 INFO L138 BoogieDeclarations]: Found implementation of procedure device_create [2025-01-09 18:32:51,781 INFO L130 BoogieDeclarations]: Found specification of procedure xn [2025-01-09 18:32:51,781 INFO L138 BoogieDeclarations]: Found implementation of procedure xn [2025-01-09 18:32:51,781 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_zalloc [2025-01-09 18:32:51,781 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_zalloc [2025-01-09 18:32:51,781 INFO L130 BoogieDeclarations]: Found specification of procedure _copy_from_user [2025-01-09 18:32:51,781 INFO L138 BoogieDeclarations]: Found implementation of procedure _copy_from_user [2025-01-09 18:32:51,781 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2025-01-09 18:32:51,781 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2025-01-09 18:32:51,781 INFO L130 BoogieDeclarations]: Found specification of procedure xs [2025-01-09 18:32:51,781 INFO L138 BoogieDeclarations]: Found implementation of procedure xs [2025-01-09 18:32:51,781 INFO L130 BoogieDeclarations]: Found specification of procedure IS_ERR [2025-01-09 18:32:51,781 INFO L138 BoogieDeclarations]: Found implementation of procedure IS_ERR [2025-01-09 18:32:52,140 INFO L234 CfgBuilder]: Building ICFG [2025-01-09 18:32:52,145 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2025-01-09 18:32:52,189 INFO L727 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stopFINAL: assume true; [2025-01-09 18:33:03,680 INFO L? ?]: Removed 714 outVars from TransFormulas that were not future-live. [2025-01-09 18:33:03,680 INFO L283 CfgBuilder]: Performing block encoding [2025-01-09 18:33:03,697 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2025-01-09 18:33:03,697 INFO L312 CfgBuilder]: Removed 5 assume(true) statements. [2025-01-09 18:33:03,698 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.01 06:33:03 BoogieIcfgContainer [2025-01-09 18:33:03,698 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2025-01-09 18:33:03,699 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2025-01-09 18:33:03,699 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2025-01-09 18:33:03,703 INFO L274 PluginConnector]: TraceAbstraction initialized [2025-01-09 18:33:03,703 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 09.01 06:32:50" (1/3) ... [2025-01-09 18:33:03,703 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3e20d6a5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 09.01 06:33:03, skipping insertion in model container [2025-01-09 18:33:03,703 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 06:32:51" (2/3) ... [2025-01-09 18:33:03,703 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3e20d6a5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 09.01 06:33:03, skipping insertion in model container [2025-01-09 18:33:03,703 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.01 06:33:03" (3/3) ... [2025-01-09 18:33:03,704 INFO L128 eAbstractionObserver]: Analyzing ICFG 43_2a_consumption_linux-3.16-rc1.tar.xz-43_2a-drivers--block--paride--pt.ko-entry_point.cil.out.i [2025-01-09 18:33:03,713 INFO L216 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2025-01-09 18:33:03,716 INFO L151 ceAbstractionStarter]: Applying trace abstraction to ICFG 43_2a_consumption_linux-3.16-rc1.tar.xz-43_2a-drivers--block--paride--pt.ko-entry_point.cil.out.i that has 48 procedures, 883 locations, 1 initial locations, 1 loop locations, and 1 error locations. [2025-01-09 18:33:03,774 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2025-01-09 18:33:03,790 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;@4b6bbce8, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2025-01-09 18:33:03,791 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2025-01-09 18:33:03,799 INFO L276 IsEmpty]: Start isEmpty. Operand has 882 states, 642 states have (on average 1.3831775700934579) internal successors, (888), 661 states have internal predecessors, (888), 196 states have call successors, (196), 47 states have call predecessors, (196), 46 states have return successors, (193), 193 states have call predecessors, (193), 193 states have call successors, (193) [2025-01-09 18:33:03,818 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 132 [2025-01-09 18:33:03,818 INFO L210 NwaCegarLoop]: Found error trace [2025-01-09 18:33:03,819 INFO L218 NwaCegarLoop]: trace histogram [4, 4, 4, 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] [2025-01-09 18:33:03,819 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2025-01-09 18:33:03,822 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-09 18:33:03,823 INFO L85 PathProgramCache]: Analyzing trace with hash 1970765120, now seen corresponding path program 1 times [2025-01-09 18:33:03,827 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-01-09 18:33:03,828 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [229696806] [2025-01-09 18:33:03,828 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-09 18:33:03,828 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-09 18:33:04,456 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 131 statements into 1 equivalence classes. [2025-01-09 18:33:04,645 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 131 of 131 statements. [2025-01-09 18:33:04,645 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-09 18:33:04,646 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-09 18:33:05,045 INFO L134 CoverageAnalysis]: Checked inductivity of 27 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 27 trivial. 0 not checked. [2025-01-09 18:33:05,047 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-01-09 18:33:05,047 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [229696806] [2025-01-09 18:33:05,048 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [229696806] provided 1 perfect and 0 imperfect interpolant sequences [2025-01-09 18:33:05,048 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-01-09 18:33:05,048 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2025-01-09 18:33:05,049 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1653859043] [2025-01-09 18:33:05,049 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-01-09 18:33:05,052 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2025-01-09 18:33:05,053 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-01-09 18:33:05,068 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2025-01-09 18:33:05,068 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-01-09 18:33:05,071 INFO L87 Difference]: Start difference. First operand has 882 states, 642 states have (on average 1.3831775700934579) internal successors, (888), 661 states have internal predecessors, (888), 196 states have call successors, (196), 47 states have call predecessors, (196), 46 states have return successors, (193), 193 states have call predecessors, (193), 193 states have call successors, (193) Second operand has 3 states, 3 states have (on average 27.666666666666668) internal successors, (83), 3 states have internal predecessors, (83), 2 states have call successors, (19), 2 states have call predecessors, (19), 1 states have return successors, (18), 2 states have call predecessors, (18), 2 states have call successors, (18) [2025-01-09 18:33:05,458 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-01-09 18:33:05,458 INFO L93 Difference]: Finished difference Result 2156 states and 3172 transitions. [2025-01-09 18:33:05,460 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-01-09 18:33:05,461 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 27.666666666666668) internal successors, (83), 3 states have internal predecessors, (83), 2 states have call successors, (19), 2 states have call predecessors, (19), 1 states have return successors, (18), 2 states have call predecessors, (18), 2 states have call successors, (18) Word has length 131 [2025-01-09 18:33:05,461 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-01-09 18:33:05,481 INFO L225 Difference]: With dead ends: 2156 [2025-01-09 18:33:05,481 INFO L226 Difference]: Without dead ends: 1211 [2025-01-09 18:33:05,488 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 18:33:05,490 INFO L435 NwaCegarLoop]: 1561 mSDtfsCounter, 584 mSDsluCounter, 1188 mSDsCounter, 0 mSdLazyCounter, 24 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 584 SdHoareTripleChecker+Valid, 2749 SdHoareTripleChecker+Invalid, 28 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 24 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2025-01-09 18:33:05,490 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [584 Valid, 2749 Invalid, 28 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 24 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2025-01-09 18:33:05,501 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1211 states. [2025-01-09 18:33:05,599 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1211 to 1209. [2025-01-09 18:33:05,601 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1209 states, 868 states have (on average 1.3525345622119815) internal successors, (1174), 884 states have internal predecessors, (1174), 268 states have call successors, (268), 73 states have call predecessors, (268), 72 states have return successors, (267), 267 states have call predecessors, (267), 267 states have call successors, (267) [2025-01-09 18:33:05,610 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1209 states to 1209 states and 1709 transitions. [2025-01-09 18:33:05,612 INFO L78 Accepts]: Start accepts. Automaton has 1209 states and 1709 transitions. Word has length 131 [2025-01-09 18:33:05,612 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-01-09 18:33:05,612 INFO L471 AbstractCegarLoop]: Abstraction has 1209 states and 1709 transitions. [2025-01-09 18:33:05,612 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 27.666666666666668) internal successors, (83), 3 states have internal predecessors, (83), 2 states have call successors, (19), 2 states have call predecessors, (19), 1 states have return successors, (18), 2 states have call predecessors, (18), 2 states have call successors, (18) [2025-01-09 18:33:05,613 INFO L276 IsEmpty]: Start isEmpty. Operand 1209 states and 1709 transitions. [2025-01-09 18:33:05,619 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 177 [2025-01-09 18:33:05,620 INFO L210 NwaCegarLoop]: Found error trace [2025-01-09 18:33:05,620 INFO L218 NwaCegarLoop]: trace histogram [6, 6, 6, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 18:33:05,620 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2025-01-09 18:33:05,620 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2025-01-09 18:33:05,621 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-09 18:33:05,621 INFO L85 PathProgramCache]: Analyzing trace with hash -1431735536, now seen corresponding path program 1 times [2025-01-09 18:33:05,621 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-01-09 18:33:05,621 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [846467399] [2025-01-09 18:33:05,621 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-09 18:33:05,621 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-09 18:33:06,216 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 176 statements into 1 equivalence classes. [2025-01-09 18:33:06,289 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 176 of 176 statements. [2025-01-09 18:33:06,290 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-09 18:33:06,290 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-09 18:33:06,615 INFO L134 CoverageAnalysis]: Checked inductivity of 68 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 66 trivial. 0 not checked. [2025-01-09 18:33:06,615 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-01-09 18:33:06,615 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [846467399] [2025-01-09 18:33:06,615 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [846467399] provided 1 perfect and 0 imperfect interpolant sequences [2025-01-09 18:33:06,615 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-01-09 18:33:06,616 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2025-01-09 18:33:06,616 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1235459690] [2025-01-09 18:33:06,616 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-01-09 18:33:06,617 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2025-01-09 18:33:06,617 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-01-09 18:33:06,618 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2025-01-09 18:33:06,618 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-01-09 18:33:06,618 INFO L87 Difference]: Start difference. First operand 1209 states and 1709 transitions. Second operand has 3 states, 3 states have (on average 37.333333333333336) internal successors, (112), 3 states have internal predecessors, (112), 2 states have call successors, (23), 2 states have call predecessors, (23), 1 states have return successors, (22), 2 states have call predecessors, (22), 2 states have call successors, (22) [2025-01-09 18:33:06,714 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-01-09 18:33:06,714 INFO L93 Difference]: Finished difference Result 2414 states and 3425 transitions. [2025-01-09 18:33:06,715 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-01-09 18:33:06,715 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 37.333333333333336) internal successors, (112), 3 states have internal predecessors, (112), 2 states have call successors, (23), 2 states have call predecessors, (23), 1 states have return successors, (22), 2 states have call predecessors, (22), 2 states have call successors, (22) Word has length 176 [2025-01-09 18:33:06,715 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-01-09 18:33:06,722 INFO L225 Difference]: With dead ends: 2414 [2025-01-09 18:33:06,722 INFO L226 Difference]: Without dead ends: 1237 [2025-01-09 18:33:06,726 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 18:33:06,727 INFO L435 NwaCegarLoop]: 1185 mSDtfsCounter, 14 mSDsluCounter, 1181 mSDsCounter, 0 mSdLazyCounter, 15 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 17 SdHoareTripleChecker+Valid, 2366 SdHoareTripleChecker+Invalid, 15 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 15 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2025-01-09 18:33:06,727 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [17 Valid, 2366 Invalid, 15 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 15 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2025-01-09 18:33:06,728 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1237 states. [2025-01-09 18:33:06,791 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1237 to 1211. [2025-01-09 18:33:06,797 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1211 states, 870 states have (on average 1.3517241379310345) internal successors, (1176), 886 states have internal predecessors, (1176), 268 states have call successors, (268), 73 states have call predecessors, (268), 72 states have return successors, (267), 267 states have call predecessors, (267), 267 states have call successors, (267) [2025-01-09 18:33:06,806 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1211 states to 1211 states and 1711 transitions. [2025-01-09 18:33:06,808 INFO L78 Accepts]: Start accepts. Automaton has 1211 states and 1711 transitions. Word has length 176 [2025-01-09 18:33:06,808 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-01-09 18:33:06,809 INFO L471 AbstractCegarLoop]: Abstraction has 1211 states and 1711 transitions. [2025-01-09 18:33:06,809 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 37.333333333333336) internal successors, (112), 3 states have internal predecessors, (112), 2 states have call successors, (23), 2 states have call predecessors, (23), 1 states have return successors, (22), 2 states have call predecessors, (22), 2 states have call successors, (22) [2025-01-09 18:33:06,809 INFO L276 IsEmpty]: Start isEmpty. Operand 1211 states and 1711 transitions. [2025-01-09 18:33:06,816 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 183 [2025-01-09 18:33:06,816 INFO L210 NwaCegarLoop]: Found error trace [2025-01-09 18:33:06,817 INFO L218 NwaCegarLoop]: trace histogram [6, 6, 6, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 18:33:06,817 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2025-01-09 18:33:06,817 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2025-01-09 18:33:06,819 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-09 18:33:06,819 INFO L85 PathProgramCache]: Analyzing trace with hash -72935417, now seen corresponding path program 1 times [2025-01-09 18:33:06,819 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-01-09 18:33:06,819 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1055864138] [2025-01-09 18:33:06,819 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-09 18:33:06,819 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-09 18:33:07,346 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 182 statements into 1 equivalence classes. [2025-01-09 18:33:07,391 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 182 of 182 statements. [2025-01-09 18:33:07,394 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-09 18:33:07,394 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-09 18:33:07,685 INFO L134 CoverageAnalysis]: Checked inductivity of 69 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 67 trivial. 0 not checked. [2025-01-09 18:33:07,687 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-01-09 18:33:07,687 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1055864138] [2025-01-09 18:33:07,687 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1055864138] provided 1 perfect and 0 imperfect interpolant sequences [2025-01-09 18:33:07,687 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-01-09 18:33:07,687 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2025-01-09 18:33:07,687 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [207321615] [2025-01-09 18:33:07,687 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-01-09 18:33:07,688 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2025-01-09 18:33:07,688 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-01-09 18:33:07,689 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2025-01-09 18:33:07,689 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-01-09 18:33:07,689 INFO L87 Difference]: Start difference. First operand 1211 states and 1711 transitions. Second operand has 3 states, 3 states have (on average 39.333333333333336) internal successors, (118), 3 states have internal predecessors, (118), 2 states have call successors, (23), 2 states have call predecessors, (23), 1 states have return successors, (22), 2 states have call predecessors, (22), 2 states have call successors, (22) [2025-01-09 18:33:07,748 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-01-09 18:33:07,749 INFO L93 Difference]: Finished difference Result 2404 states and 3407 transitions. [2025-01-09 18:33:07,749 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-01-09 18:33:07,750 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), 2 states have call successors, (23), 2 states have call predecessors, (23), 1 states have return successors, (22), 2 states have call predecessors, (22), 2 states have call successors, (22) Word has length 182 [2025-01-09 18:33:07,750 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-01-09 18:33:07,758 INFO L225 Difference]: With dead ends: 2404 [2025-01-09 18:33:07,758 INFO L226 Difference]: Without dead ends: 1225 [2025-01-09 18:33:07,762 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 18:33:07,763 INFO L435 NwaCegarLoop]: 1189 mSDtfsCounter, 1 mSDsluCounter, 1186 mSDsCounter, 0 mSdLazyCounter, 6 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1 SdHoareTripleChecker+Valid, 2375 SdHoareTripleChecker+Invalid, 6 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 6 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2025-01-09 18:33:07,763 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [1 Valid, 2375 Invalid, 6 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 6 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2025-01-09 18:33:07,764 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1225 states. [2025-01-09 18:33:07,794 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1225 to 1225. [2025-01-09 18:33:07,796 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1225 states, 884 states have (on average 1.3529411764705883) internal successors, (1196), 900 states have internal predecessors, (1196), 268 states have call successors, (268), 73 states have call predecessors, (268), 72 states have return successors, (267), 267 states have call predecessors, (267), 267 states have call successors, (267) [2025-01-09 18:33:07,805 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1225 states to 1225 states and 1731 transitions. [2025-01-09 18:33:07,807 INFO L78 Accepts]: Start accepts. Automaton has 1225 states and 1731 transitions. Word has length 182 [2025-01-09 18:33:07,807 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-01-09 18:33:07,807 INFO L471 AbstractCegarLoop]: Abstraction has 1225 states and 1731 transitions. [2025-01-09 18:33:07,807 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), 2 states have call successors, (23), 2 states have call predecessors, (23), 1 states have return successors, (22), 2 states have call predecessors, (22), 2 states have call successors, (22) [2025-01-09 18:33:07,807 INFO L276 IsEmpty]: Start isEmpty. Operand 1225 states and 1731 transitions. [2025-01-09 18:33:07,812 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 189 [2025-01-09 18:33:07,812 INFO L210 NwaCegarLoop]: Found error trace [2025-01-09 18:33:07,813 INFO L218 NwaCegarLoop]: trace histogram [6, 6, 6, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 18:33:07,813 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2025-01-09 18:33:07,813 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2025-01-09 18:33:07,814 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-09 18:33:07,814 INFO L85 PathProgramCache]: Analyzing trace with hash 791629218, now seen corresponding path program 1 times [2025-01-09 18:33:07,814 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-01-09 18:33:07,814 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [933196428] [2025-01-09 18:33:07,814 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-09 18:33:07,814 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-09 18:33:08,338 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 188 statements into 1 equivalence classes. [2025-01-09 18:33:08,373 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 188 of 188 statements. [2025-01-09 18:33:08,374 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-09 18:33:08,374 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-09 18:33:08,687 INFO L134 CoverageAnalysis]: Checked inductivity of 69 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 66 trivial. 0 not checked. [2025-01-09 18:33:08,688 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-01-09 18:33:08,688 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [933196428] [2025-01-09 18:33:08,688 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [933196428] provided 0 perfect and 1 imperfect interpolant sequences [2025-01-09 18:33:08,688 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [207957797] [2025-01-09 18:33:08,689 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-09 18:33:08,689 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-01-09 18:33:08,689 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-01-09 18:33:08,691 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 18:33:08,693 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 18:33:09,574 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 188 statements into 1 equivalence classes. [2025-01-09 18:33:09,970 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 188 of 188 statements. [2025-01-09 18:33:09,971 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-09 18:33:09,971 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-09 18:33:09,985 INFO L256 TraceCheckSpWp]: Trace formula consists of 4011 conjuncts, 2 conjuncts are in the unsatisfiable core [2025-01-09 18:33:09,995 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-01-09 18:33:10,029 INFO L134 CoverageAnalysis]: Checked inductivity of 69 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 66 trivial. 0 not checked. [2025-01-09 18:33:10,029 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2025-01-09 18:33:10,030 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [207957797] provided 1 perfect and 0 imperfect interpolant sequences [2025-01-09 18:33:10,030 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2025-01-09 18:33:10,030 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [4] total 5 [2025-01-09 18:33:10,030 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [495079723] [2025-01-09 18:33:10,030 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-01-09 18:33:10,030 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2025-01-09 18:33:10,030 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-01-09 18:33:10,031 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2025-01-09 18:33:10,031 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2025-01-09 18:33:10,031 INFO L87 Difference]: Start difference. First operand 1225 states and 1731 transitions. Second operand has 3 states, 3 states have (on average 41.0) internal successors, (123), 3 states have internal predecessors, (123), 2 states have call successors, (24), 2 states have call predecessors, (24), 2 states have return successors, (23), 2 states have call predecessors, (23), 2 states have call successors, (23) [2025-01-09 18:33:10,093 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-01-09 18:33:10,094 INFO L93 Difference]: Finished difference Result 2419 states and 3427 transitions. [2025-01-09 18:33:10,094 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-01-09 18:33:10,095 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 41.0) internal successors, (123), 3 states have internal predecessors, (123), 2 states have call successors, (24), 2 states have call predecessors, (24), 2 states have return successors, (23), 2 states have call predecessors, (23), 2 states have call successors, (23) Word has length 188 [2025-01-09 18:33:10,095 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-01-09 18:33:10,103 INFO L225 Difference]: With dead ends: 2419 [2025-01-09 18:33:10,103 INFO L226 Difference]: Without dead ends: 1226 [2025-01-09 18:33:10,107 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 191 GetRequests, 188 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 18:33:10,108 INFO L435 NwaCegarLoop]: 1190 mSDtfsCounter, 0 mSDsluCounter, 1184 mSDsCounter, 0 mSdLazyCounter, 7 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 2374 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 18:33:10,109 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 2374 Invalid, 7 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 7 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2025-01-09 18:33:10,112 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1226 states. [2025-01-09 18:33:10,155 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1226 to 1226. [2025-01-09 18:33:10,157 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1226 states, 885 states have (on average 1.352542372881356) internal successors, (1197), 901 states have internal predecessors, (1197), 268 states have call successors, (268), 73 states have call predecessors, (268), 72 states have return successors, (267), 267 states have call predecessors, (267), 267 states have call successors, (267) [2025-01-09 18:33:10,164 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1226 states to 1226 states and 1732 transitions. [2025-01-09 18:33:10,166 INFO L78 Accepts]: Start accepts. Automaton has 1226 states and 1732 transitions. Word has length 188 [2025-01-09 18:33:10,167 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-01-09 18:33:10,167 INFO L471 AbstractCegarLoop]: Abstraction has 1226 states and 1732 transitions. [2025-01-09 18:33:10,167 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 41.0) internal successors, (123), 3 states have internal predecessors, (123), 2 states have call successors, (24), 2 states have call predecessors, (24), 2 states have return successors, (23), 2 states have call predecessors, (23), 2 states have call successors, (23) [2025-01-09 18:33:10,167 INFO L276 IsEmpty]: Start isEmpty. Operand 1226 states and 1732 transitions. [2025-01-09 18:33:10,173 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 189 [2025-01-09 18:33:10,173 INFO L210 NwaCegarLoop]: Found error trace [2025-01-09 18:33:10,173 INFO L218 NwaCegarLoop]: trace histogram [6, 6, 6, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 18:33:10,188 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 18:33:10,373 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3,2 /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-01-09 18:33:10,374 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2025-01-09 18:33:10,375 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-09 18:33:10,375 INFO L85 PathProgramCache]: Analyzing trace with hash -1626855260, now seen corresponding path program 1 times [2025-01-09 18:33:10,375 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-01-09 18:33:10,375 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [205014298] [2025-01-09 18:33:10,376 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-09 18:33:10,376 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-09 18:33:10,923 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 188 statements into 1 equivalence classes. [2025-01-09 18:33:10,953 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 188 of 188 statements. [2025-01-09 18:33:10,953 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-09 18:33:10,953 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-09 18:33:11,184 INFO L134 CoverageAnalysis]: Checked inductivity of 69 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 66 trivial. 0 not checked. [2025-01-09 18:33:11,184 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-01-09 18:33:11,185 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [205014298] [2025-01-09 18:33:11,185 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [205014298] provided 0 perfect and 1 imperfect interpolant sequences [2025-01-09 18:33:11,185 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [783482147] [2025-01-09 18:33:11,185 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-09 18:33:11,185 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-01-09 18:33:11,185 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-01-09 18:33:11,187 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 18:33:11,188 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 18:33:12,093 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 188 statements into 1 equivalence classes. [2025-01-09 18:33:12,487 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 188 of 188 statements. [2025-01-09 18:33:12,487 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-09 18:33:12,487 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-09 18:33:12,502 INFO L256 TraceCheckSpWp]: Trace formula consists of 4014 conjuncts, 2 conjuncts are in the unsatisfiable core [2025-01-09 18:33:12,511 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-01-09 18:33:12,547 INFO L134 CoverageAnalysis]: Checked inductivity of 69 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 66 trivial. 0 not checked. [2025-01-09 18:33:12,547 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2025-01-09 18:33:12,547 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [783482147] provided 1 perfect and 0 imperfect interpolant sequences [2025-01-09 18:33:12,547 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2025-01-09 18:33:12,547 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [4] total 5 [2025-01-09 18:33:12,547 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1601894117] [2025-01-09 18:33:12,548 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-01-09 18:33:12,548 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2025-01-09 18:33:12,549 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-01-09 18:33:12,550 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2025-01-09 18:33:12,550 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2025-01-09 18:33:12,550 INFO L87 Difference]: Start difference. First operand 1226 states and 1732 transitions. Second operand has 3 states, 3 states have (on average 41.0) internal successors, (123), 3 states have internal predecessors, (123), 2 states have call successors, (24), 2 states have call predecessors, (24), 2 states have return successors, (23), 2 states have call predecessors, (23), 2 states have call successors, (23) [2025-01-09 18:33:12,599 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-01-09 18:33:12,600 INFO L93 Difference]: Finished difference Result 2422 states and 3490 transitions. [2025-01-09 18:33:12,600 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-01-09 18:33:12,601 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 41.0) internal successors, (123), 3 states have internal predecessors, (123), 2 states have call successors, (24), 2 states have call predecessors, (24), 2 states have return successors, (23), 2 states have call predecessors, (23), 2 states have call successors, (23) Word has length 188 [2025-01-09 18:33:12,601 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-01-09 18:33:12,609 INFO L225 Difference]: With dead ends: 2422 [2025-01-09 18:33:12,609 INFO L226 Difference]: Without dead ends: 1228 [2025-01-09 18:33:12,615 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 191 GetRequests, 188 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 18:33:12,616 INFO L435 NwaCegarLoop]: 1190 mSDtfsCounter, 0 mSDsluCounter, 1185 mSDsCounter, 0 mSdLazyCounter, 6 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 2375 SdHoareTripleChecker+Invalid, 6 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 6 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2025-01-09 18:33:12,616 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 2375 Invalid, 6 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 6 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2025-01-09 18:33:12,618 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1228 states. [2025-01-09 18:33:12,650 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1228 to 1228. [2025-01-09 18:33:12,652 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1228 states, 887 states have (on average 1.3517474633596391) internal successors, (1199), 903 states have internal predecessors, (1199), 268 states have call successors, (268), 73 states have call predecessors, (268), 72 states have return successors, (267), 267 states have call predecessors, (267), 267 states have call successors, (267) [2025-01-09 18:33:12,661 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1228 states to 1228 states and 1734 transitions. [2025-01-09 18:33:12,663 INFO L78 Accepts]: Start accepts. Automaton has 1228 states and 1734 transitions. Word has length 188 [2025-01-09 18:33:12,664 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-01-09 18:33:12,664 INFO L471 AbstractCegarLoop]: Abstraction has 1228 states and 1734 transitions. [2025-01-09 18:33:12,664 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 41.0) internal successors, (123), 3 states have internal predecessors, (123), 2 states have call successors, (24), 2 states have call predecessors, (24), 2 states have return successors, (23), 2 states have call predecessors, (23), 2 states have call successors, (23) [2025-01-09 18:33:12,664 INFO L276 IsEmpty]: Start isEmpty. Operand 1228 states and 1734 transitions. [2025-01-09 18:33:12,670 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 190 [2025-01-09 18:33:12,670 INFO L210 NwaCegarLoop]: Found error trace [2025-01-09 18:33:12,671 INFO L218 NwaCegarLoop]: trace histogram [6, 6, 6, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 18:33:12,685 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 18:33:12,871 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4,3 /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-01-09 18:33:12,872 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2025-01-09 18:33:12,872 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-09 18:33:12,873 INFO L85 PathProgramCache]: Analyzing trace with hash 763792602, now seen corresponding path program 1 times [2025-01-09 18:33:12,873 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-01-09 18:33:12,873 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1675320606] [2025-01-09 18:33:12,873 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-09 18:33:12,873 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-09 18:33:13,378 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 189 statements into 1 equivalence classes. [2025-01-09 18:33:13,411 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 189 of 189 statements. [2025-01-09 18:33:13,412 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-09 18:33:13,412 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-09 18:33:13,675 INFO L134 CoverageAnalysis]: Checked inductivity of 69 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 66 trivial. 0 not checked. [2025-01-09 18:33:13,676 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-01-09 18:33:13,676 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1675320606] [2025-01-09 18:33:13,676 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1675320606] provided 0 perfect and 1 imperfect interpolant sequences [2025-01-09 18:33:13,676 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1050711866] [2025-01-09 18:33:13,676 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-09 18:33:13,676 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-01-09 18:33:13,676 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-01-09 18:33:13,678 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 18:33:13,685 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 18:33:14,578 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 189 statements into 1 equivalence classes. [2025-01-09 18:33:14,916 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 189 of 189 statements. [2025-01-09 18:33:14,916 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-09 18:33:14,916 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-09 18:33:14,930 INFO L256 TraceCheckSpWp]: Trace formula consists of 4019 conjuncts, 2 conjuncts are in the unsatisfiable core [2025-01-09 18:33:14,936 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-01-09 18:33:14,950 INFO L134 CoverageAnalysis]: Checked inductivity of 69 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 69 trivial. 0 not checked. [2025-01-09 18:33:14,950 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2025-01-09 18:33:14,951 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1050711866] provided 1 perfect and 0 imperfect interpolant sequences [2025-01-09 18:33:14,951 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2025-01-09 18:33:14,951 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [4] total 5 [2025-01-09 18:33:14,951 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1136576930] [2025-01-09 18:33:14,951 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-01-09 18:33:14,951 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2025-01-09 18:33:14,951 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-01-09 18:33:14,952 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2025-01-09 18:33:14,952 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2025-01-09 18:33:14,952 INFO L87 Difference]: Start difference. First operand 1228 states and 1734 transitions. Second operand has 3 states, 3 states have (on average 40.666666666666664) internal successors, (122), 3 states have internal predecessors, (122), 2 states have call successors, (24), 2 states have call predecessors, (24), 1 states have return successors, (23), 1 states have call predecessors, (23), 1 states have call successors, (23) [2025-01-09 18:33:14,979 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-01-09 18:33:14,980 INFO L93 Difference]: Finished difference Result 1232 states and 1738 transitions. [2025-01-09 18:33:14,980 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-01-09 18:33:14,980 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 40.666666666666664) internal successors, (122), 3 states have internal predecessors, (122), 2 states have call successors, (24), 2 states have call predecessors, (24), 1 states have return successors, (23), 1 states have call predecessors, (23), 1 states have call successors, (23) Word has length 189 [2025-01-09 18:33:14,981 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-01-09 18:33:14,987 INFO L225 Difference]: With dead ends: 1232 [2025-01-09 18:33:14,987 INFO L226 Difference]: Without dead ends: 1229 [2025-01-09 18:33:14,987 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 192 GetRequests, 189 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 18:33:14,988 INFO L435 NwaCegarLoop]: 1190 mSDtfsCounter, 0 mSDsluCounter, 1184 mSDsCounter, 0 mSdLazyCounter, 7 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 2374 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 18:33:14,988 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 2374 Invalid, 7 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 7 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2025-01-09 18:33:14,989 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1229 states. [2025-01-09 18:33:15,012 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1229 to 1229. [2025-01-09 18:33:15,014 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1229 states, 888 states have (on average 1.3513513513513513) internal successors, (1200), 904 states have internal predecessors, (1200), 268 states have call successors, (268), 73 states have call predecessors, (268), 72 states have return successors, (267), 267 states have call predecessors, (267), 267 states have call successors, (267) [2025-01-09 18:33:15,017 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1229 states to 1229 states and 1735 transitions. [2025-01-09 18:33:15,019 INFO L78 Accepts]: Start accepts. Automaton has 1229 states and 1735 transitions. Word has length 189 [2025-01-09 18:33:15,019 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-01-09 18:33:15,019 INFO L471 AbstractCegarLoop]: Abstraction has 1229 states and 1735 transitions. [2025-01-09 18:33:15,019 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 40.666666666666664) internal successors, (122), 3 states have internal predecessors, (122), 2 states have call successors, (24), 2 states have call predecessors, (24), 1 states have return successors, (23), 1 states have call predecessors, (23), 1 states have call successors, (23) [2025-01-09 18:33:15,020 INFO L276 IsEmpty]: Start isEmpty. Operand 1229 states and 1735 transitions. [2025-01-09 18:33:15,024 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 192 [2025-01-09 18:33:15,024 INFO L210 NwaCegarLoop]: Found error trace [2025-01-09 18:33:15,024 INFO L218 NwaCegarLoop]: trace histogram [6, 6, 6, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 18:33:15,039 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Forceful destruction successful, exit code 0 [2025-01-09 18:33:15,228 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5,4 /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-01-09 18:33:15,228 INFO L396 AbstractCegarLoop]: === Iteration 7 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2025-01-09 18:33:15,228 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-09 18:33:15,229 INFO L85 PathProgramCache]: Analyzing trace with hash -413657618, now seen corresponding path program 1 times [2025-01-09 18:33:15,229 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-01-09 18:33:15,229 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2111410337] [2025-01-09 18:33:15,229 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-09 18:33:15,229 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-09 18:33:15,658 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 191 statements into 1 equivalence classes. [2025-01-09 18:33:15,680 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 191 of 191 statements. [2025-01-09 18:33:15,681 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-09 18:33:15,681 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-09 18:33:15,869 INFO L134 CoverageAnalysis]: Checked inductivity of 69 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 66 trivial. 0 not checked. [2025-01-09 18:33:15,869 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-01-09 18:33:15,869 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2111410337] [2025-01-09 18:33:15,869 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2111410337] provided 0 perfect and 1 imperfect interpolant sequences [2025-01-09 18:33:15,870 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1972280881] [2025-01-09 18:33:15,870 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-09 18:33:15,870 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-01-09 18:33:15,870 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-01-09 18:33:15,872 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 18:33:15,873 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 18:33:16,852 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 191 statements into 1 equivalence classes. [2025-01-09 18:33:17,190 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 191 of 191 statements. [2025-01-09 18:33:17,191 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-09 18:33:17,191 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-09 18:33:17,206 INFO L256 TraceCheckSpWp]: Trace formula consists of 4024 conjuncts, 2 conjuncts are in the unsatisfiable core [2025-01-09 18:33:17,212 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-01-09 18:33:17,237 INFO L134 CoverageAnalysis]: Checked inductivity of 69 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 67 trivial. 0 not checked. [2025-01-09 18:33:17,237 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2025-01-09 18:33:17,237 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1972280881] provided 1 perfect and 0 imperfect interpolant sequences [2025-01-09 18:33:17,237 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2025-01-09 18:33:17,238 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [4] total 5 [2025-01-09 18:33:17,238 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1252208593] [2025-01-09 18:33:17,238 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-01-09 18:33:17,238 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2025-01-09 18:33:17,238 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-01-09 18:33:17,239 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2025-01-09 18:33:17,239 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2025-01-09 18:33:17,239 INFO L87 Difference]: Start difference. First operand 1229 states and 1735 transitions. Second operand has 3 states, 3 states have (on average 41.666666666666664) internal successors, (125), 3 states have internal predecessors, (125), 2 states have call successors, (24), 2 states have call predecessors, (24), 2 states have return successors, (23), 2 states have call predecessors, (23), 2 states have call successors, (23) [2025-01-09 18:33:17,322 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-01-09 18:33:17,323 INFO L93 Difference]: Finished difference Result 2446 states and 3464 transitions. [2025-01-09 18:33:17,323 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-01-09 18:33:17,323 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 41.666666666666664) internal successors, (125), 3 states have internal predecessors, (125), 2 states have call successors, (24), 2 states have call predecessors, (24), 2 states have return successors, (23), 2 states have call predecessors, (23), 2 states have call successors, (23) Word has length 191 [2025-01-09 18:33:17,323 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-01-09 18:33:17,330 INFO L225 Difference]: With dead ends: 2446 [2025-01-09 18:33:17,330 INFO L226 Difference]: Without dead ends: 1249 [2025-01-09 18:33:17,333 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 194 GetRequests, 191 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 18:33:17,334 INFO L435 NwaCegarLoop]: 1176 mSDtfsCounter, 21 mSDsluCounter, 1168 mSDsCounter, 0 mSdLazyCounter, 36 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 24 SdHoareTripleChecker+Valid, 2344 SdHoareTripleChecker+Invalid, 40 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 36 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2025-01-09 18:33:17,334 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [24 Valid, 2344 Invalid, 40 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 36 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2025-01-09 18:33:17,335 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1249 states. [2025-01-09 18:33:17,355 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1249 to 1231. [2025-01-09 18:33:17,357 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1231 states, 890 states have (on average 1.350561797752809) internal successors, (1202), 906 states have internal predecessors, (1202), 268 states have call successors, (268), 73 states have call predecessors, (268), 72 states have return successors, (267), 267 states have call predecessors, (267), 267 states have call successors, (267) [2025-01-09 18:33:17,360 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1231 states to 1231 states and 1737 transitions. [2025-01-09 18:33:17,362 INFO L78 Accepts]: Start accepts. Automaton has 1231 states and 1737 transitions. Word has length 191 [2025-01-09 18:33:17,362 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-01-09 18:33:17,362 INFO L471 AbstractCegarLoop]: Abstraction has 1231 states and 1737 transitions. [2025-01-09 18:33:17,362 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 41.666666666666664) internal successors, (125), 3 states have internal predecessors, (125), 2 states have call successors, (24), 2 states have call predecessors, (24), 2 states have return successors, (23), 2 states have call predecessors, (23), 2 states have call successors, (23) [2025-01-09 18:33:17,362 INFO L276 IsEmpty]: Start isEmpty. Operand 1231 states and 1737 transitions. [2025-01-09 18:33:17,366 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 196 [2025-01-09 18:33:17,367 INFO L210 NwaCegarLoop]: Found error trace [2025-01-09 18:33:17,367 INFO L218 NwaCegarLoop]: trace histogram [6, 6, 6, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 18:33:17,385 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Ended with exit code 0 [2025-01-09 18:33:17,567 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,SelfDestructingSolverStorable6 [2025-01-09 18:33:17,568 INFO L396 AbstractCegarLoop]: === Iteration 8 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2025-01-09 18:33:17,569 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-09 18:33:17,569 INFO L85 PathProgramCache]: Analyzing trace with hash -356347485, now seen corresponding path program 1 times [2025-01-09 18:33:17,569 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-01-09 18:33:17,569 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1823485152] [2025-01-09 18:33:17,569 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-09 18:33:17,569 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-09 18:33:18,085 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 195 statements into 1 equivalence classes. [2025-01-09 18:33:18,106 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 195 of 195 statements. [2025-01-09 18:33:18,106 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-09 18:33:18,106 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-09 18:33:18,306 INFO L134 CoverageAnalysis]: Checked inductivity of 70 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 67 trivial. 0 not checked. [2025-01-09 18:33:18,306 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-01-09 18:33:18,307 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1823485152] [2025-01-09 18:33:18,307 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1823485152] provided 0 perfect and 1 imperfect interpolant sequences [2025-01-09 18:33:18,307 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1639993317] [2025-01-09 18:33:18,307 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-09 18:33:18,307 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-01-09 18:33:18,307 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-01-09 18:33:18,309 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 18:33:18,310 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 18:33:19,276 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 195 statements into 1 equivalence classes. [2025-01-09 18:33:19,623 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 195 of 195 statements. [2025-01-09 18:33:19,623 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-09 18:33:19,623 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-09 18:33:19,638 INFO L256 TraceCheckSpWp]: Trace formula consists of 4031 conjuncts, 3 conjuncts are in the unsatisfiable core [2025-01-09 18:33:19,643 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-01-09 18:33:19,669 INFO L134 CoverageAnalysis]: Checked inductivity of 70 backedges. 37 proven. 0 refuted. 0 times theorem prover too weak. 33 trivial. 0 not checked. [2025-01-09 18:33:19,670 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2025-01-09 18:33:19,670 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1639993317] provided 1 perfect and 0 imperfect interpolant sequences [2025-01-09 18:33:19,670 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2025-01-09 18:33:19,670 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [4] total 5 [2025-01-09 18:33:19,670 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1191309793] [2025-01-09 18:33:19,670 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-01-09 18:33:19,670 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2025-01-09 18:33:19,671 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-01-09 18:33:19,671 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2025-01-09 18:33:19,671 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2025-01-09 18:33:19,671 INFO L87 Difference]: Start difference. First operand 1231 states and 1737 transitions. Second operand has 3 states, 3 states have (on average 44.666666666666664) internal successors, (134), 3 states have internal predecessors, (134), 3 states have call successors, (24), 2 states have call predecessors, (24), 2 states have return successors, (23), 3 states have call predecessors, (23), 3 states have call successors, (23) [2025-01-09 18:33:19,706 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-01-09 18:33:19,707 INFO L93 Difference]: Finished difference Result 2478 states and 3515 transitions. [2025-01-09 18:33:19,707 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-01-09 18:33:19,707 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 44.666666666666664) internal successors, (134), 3 states have internal predecessors, (134), 3 states have call successors, (24), 2 states have call predecessors, (24), 2 states have return successors, (23), 3 states have call predecessors, (23), 3 states have call successors, (23) Word has length 195 [2025-01-09 18:33:19,707 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-01-09 18:33:19,714 INFO L225 Difference]: With dead ends: 2478 [2025-01-09 18:33:19,714 INFO L226 Difference]: Without dead ends: 1279 [2025-01-09 18:33:19,717 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 198 GetRequests, 195 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 18:33:19,717 INFO L435 NwaCegarLoop]: 1195 mSDtfsCounter, 13 mSDsluCounter, 1184 mSDsCounter, 0 mSdLazyCounter, 8 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 18 SdHoareTripleChecker+Valid, 2379 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 18:33:19,718 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [18 Valid, 2379 Invalid, 8 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 8 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2025-01-09 18:33:19,719 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1279 states. [2025-01-09 18:33:19,741 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1279 to 1279. [2025-01-09 18:33:19,743 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1279 states, 926 states have (on average 1.3542116630669547) internal successors, (1254), 942 states have internal predecessors, (1254), 280 states have call successors, (280), 73 states have call predecessors, (280), 72 states have return successors, (279), 279 states have call predecessors, (279), 279 states have call successors, (279) [2025-01-09 18:33:19,747 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1279 states to 1279 states and 1813 transitions. [2025-01-09 18:33:19,748 INFO L78 Accepts]: Start accepts. Automaton has 1279 states and 1813 transitions. Word has length 195 [2025-01-09 18:33:19,749 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-01-09 18:33:19,749 INFO L471 AbstractCegarLoop]: Abstraction has 1279 states and 1813 transitions. [2025-01-09 18:33:19,749 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 44.666666666666664) internal successors, (134), 3 states have internal predecessors, (134), 3 states have call successors, (24), 2 states have call predecessors, (24), 2 states have return successors, (23), 3 states have call predecessors, (23), 3 states have call successors, (23) [2025-01-09 18:33:19,749 INFO L276 IsEmpty]: Start isEmpty. Operand 1279 states and 1813 transitions. [2025-01-09 18:33:19,753 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 201 [2025-01-09 18:33:19,753 INFO L210 NwaCegarLoop]: Found error trace [2025-01-09 18:33:19,753 INFO L218 NwaCegarLoop]: trace histogram [6, 6, 6, 3, 3, 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, 1, 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 18:33:19,768 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 18:33:19,960 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7,6 /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-01-09 18:33:19,961 INFO L396 AbstractCegarLoop]: === Iteration 9 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2025-01-09 18:33:19,961 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-09 18:33:19,962 INFO L85 PathProgramCache]: Analyzing trace with hash 162325341, now seen corresponding path program 1 times [2025-01-09 18:33:19,962 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-01-09 18:33:19,962 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1534781796] [2025-01-09 18:33:19,962 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-09 18:33:19,962 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-09 18:33:20,420 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 200 statements into 1 equivalence classes. [2025-01-09 18:33:20,441 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 200 of 200 statements. [2025-01-09 18:33:20,442 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-09 18:33:20,442 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-09 18:33:20,648 INFO L134 CoverageAnalysis]: Checked inductivity of 76 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 73 trivial. 0 not checked. [2025-01-09 18:33:20,648 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-01-09 18:33:20,648 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1534781796] [2025-01-09 18:33:20,648 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1534781796] provided 0 perfect and 1 imperfect interpolant sequences [2025-01-09 18:33:20,648 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1875019179] [2025-01-09 18:33:20,648 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-09 18:33:20,648 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-01-09 18:33:20,648 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-01-09 18:33:20,654 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 18:33:20,655 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 18:33:21,676 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 200 statements into 1 equivalence classes. [2025-01-09 18:33:22,049 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 200 of 200 statements. [2025-01-09 18:33:22,049 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-09 18:33:22,049 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-09 18:33:22,066 INFO L256 TraceCheckSpWp]: Trace formula consists of 4049 conjuncts, 3 conjuncts are in the unsatisfiable core [2025-01-09 18:33:22,071 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-01-09 18:33:22,082 INFO L134 CoverageAnalysis]: Checked inductivity of 76 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 73 trivial. 0 not checked. [2025-01-09 18:33:22,083 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2025-01-09 18:33:22,083 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1875019179] provided 1 perfect and 0 imperfect interpolant sequences [2025-01-09 18:33:22,083 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2025-01-09 18:33:22,083 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [4] total 5 [2025-01-09 18:33:22,083 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1164505010] [2025-01-09 18:33:22,083 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-01-09 18:33:22,084 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2025-01-09 18:33:22,084 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-01-09 18:33:22,084 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2025-01-09 18:33:22,085 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2025-01-09 18:33:22,085 INFO L87 Difference]: Start difference. First operand 1279 states and 1813 transitions. Second operand has 3 states, 3 states have (on average 43.666666666666664) internal successors, (131), 3 states have internal predecessors, (131), 2 states have call successors, (25), 2 states have call predecessors, (25), 2 states have return successors, (24), 2 states have call predecessors, (24), 2 states have call successors, (24) [2025-01-09 18:33:22,131 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-01-09 18:33:22,131 INFO L93 Difference]: Finished difference Result 2530 states and 3620 transitions. [2025-01-09 18:33:22,132 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-01-09 18:33:22,132 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 43.666666666666664) internal successors, (131), 3 states have internal predecessors, (131), 2 states have call successors, (25), 2 states have call predecessors, (25), 2 states have return successors, (24), 2 states have call predecessors, (24), 2 states have call successors, (24) Word has length 200 [2025-01-09 18:33:22,132 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-01-09 18:33:22,139 INFO L225 Difference]: With dead ends: 2530 [2025-01-09 18:33:22,139 INFO L226 Difference]: Without dead ends: 1283 [2025-01-09 18:33:22,144 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 203 GetRequests, 200 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 18:33:22,145 INFO L435 NwaCegarLoop]: 1189 mSDtfsCounter, 1 mSDsluCounter, 1182 mSDsCounter, 0 mSdLazyCounter, 8 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2 SdHoareTripleChecker+Valid, 2371 SdHoareTripleChecker+Invalid, 9 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 8 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2025-01-09 18:33:22,147 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [2 Valid, 2371 Invalid, 9 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 8 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2025-01-09 18:33:22,148 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1283 states. [2025-01-09 18:33:22,173 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1283 to 1281. [2025-01-09 18:33:22,175 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1281 states, 928 states have (on average 1.353448275862069) internal successors, (1256), 944 states have internal predecessors, (1256), 280 states have call successors, (280), 73 states have call predecessors, (280), 72 states have return successors, (279), 279 states have call predecessors, (279), 279 states have call successors, (279) [2025-01-09 18:33:22,178 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1281 states to 1281 states and 1815 transitions. [2025-01-09 18:33:22,180 INFO L78 Accepts]: Start accepts. Automaton has 1281 states and 1815 transitions. Word has length 200 [2025-01-09 18:33:22,180 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-01-09 18:33:22,180 INFO L471 AbstractCegarLoop]: Abstraction has 1281 states and 1815 transitions. [2025-01-09 18:33:22,180 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 43.666666666666664) internal successors, (131), 3 states have internal predecessors, (131), 2 states have call successors, (25), 2 states have call predecessors, (25), 2 states have return successors, (24), 2 states have call predecessors, (24), 2 states have call successors, (24) [2025-01-09 18:33:22,180 INFO L276 IsEmpty]: Start isEmpty. Operand 1281 states and 1815 transitions. [2025-01-09 18:33:22,186 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 260 [2025-01-09 18:33:22,186 INFO L210 NwaCegarLoop]: Found error trace [2025-01-09 18:33:22,186 INFO L218 NwaCegarLoop]: trace histogram [6, 6, 6, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 18:33:22,205 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Ended with exit code 0 [2025-01-09 18:33:22,391 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,SelfDestructingSolverStorable8 [2025-01-09 18:33:22,391 INFO L396 AbstractCegarLoop]: === Iteration 10 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2025-01-09 18:33:22,392 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-09 18:33:22,393 INFO L85 PathProgramCache]: Analyzing trace with hash -1970794731, now seen corresponding path program 1 times [2025-01-09 18:33:22,393 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-01-09 18:33:22,393 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [876658265] [2025-01-09 18:33:22,393 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-09 18:33:22,393 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-09 18:33:22,915 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 259 statements into 1 equivalence classes. [2025-01-09 18:33:22,960 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 259 of 259 statements. [2025-01-09 18:33:22,961 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-09 18:33:22,961 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-09 18:33:23,240 INFO L134 CoverageAnalysis]: Checked inductivity of 124 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 121 trivial. 0 not checked. [2025-01-09 18:33:23,241 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-01-09 18:33:23,241 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [876658265] [2025-01-09 18:33:23,241 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [876658265] provided 0 perfect and 1 imperfect interpolant sequences [2025-01-09 18:33:23,241 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1303041424] [2025-01-09 18:33:23,241 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-09 18:33:23,241 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-01-09 18:33:23,241 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-01-09 18:33:23,244 INFO L229 MonitoredProcess]: Starting monitored process 8 with /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-01-09 18:33:23,245 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Waiting until timeout for monitored process [2025-01-09 18:33:24,308 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 259 statements into 1 equivalence classes. [2025-01-09 18:33:24,735 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 259 of 259 statements. [2025-01-09 18:33:24,736 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-09 18:33:24,736 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-09 18:33:24,751 INFO L256 TraceCheckSpWp]: Trace formula consists of 4481 conjuncts, 4 conjuncts are in the unsatisfiable core [2025-01-09 18:33:24,756 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-01-09 18:33:25,125 INFO L134 CoverageAnalysis]: Checked inductivity of 124 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 124 trivial. 0 not checked. [2025-01-09 18:33:25,126 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2025-01-09 18:33:25,126 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1303041424] provided 1 perfect and 0 imperfect interpolant sequences [2025-01-09 18:33:25,126 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2025-01-09 18:33:25,126 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [4] total 6 [2025-01-09 18:33:25,126 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [439975132] [2025-01-09 18:33:25,126 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-01-09 18:33:25,127 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2025-01-09 18:33:25,127 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-01-09 18:33:25,127 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2025-01-09 18:33:25,127 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2025-01-09 18:33:25,127 INFO L87 Difference]: Start difference. First operand 1281 states and 1815 transitions. Second operand has 4 states, 4 states have (on average 34.0) internal successors, (136), 3 states have internal predecessors, (136), 2 states have call successors, (28), 2 states have call predecessors, (28), 1 states have return successors, (27), 1 states have call predecessors, (27), 1 states have call successors, (27) [2025-01-09 18:33:25,187 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-01-09 18:33:25,188 INFO L93 Difference]: Finished difference Result 2522 states and 3583 transitions. [2025-01-09 18:33:25,188 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-01-09 18:33:25,188 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 34.0) internal successors, (136), 3 states have internal predecessors, (136), 2 states have call successors, (28), 2 states have call predecessors, (28), 1 states have return successors, (27), 1 states have call predecessors, (27), 1 states have call successors, (27) Word has length 259 [2025-01-09 18:33:25,189 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-01-09 18:33:25,191 INFO L225 Difference]: With dead ends: 2522 [2025-01-09 18:33:25,191 INFO L226 Difference]: Without dead ends: 0 [2025-01-09 18:33:25,196 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 263 GetRequests, 258 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 18:33:25,197 INFO L435 NwaCegarLoop]: 1178 mSDtfsCounter, 998 mSDsluCounter, 1177 mSDsCounter, 0 mSdLazyCounter, 5 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 998 SdHoareTripleChecker+Valid, 2355 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 18:33:25,197 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [998 Valid, 2355 Invalid, 5 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 5 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2025-01-09 18:33:25,198 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2025-01-09 18:33:25,198 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2025-01-09 18:33:25,198 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 18:33:25,198 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2025-01-09 18:33:25,201 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 259 [2025-01-09 18:33:25,202 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-01-09 18:33:25,202 INFO L471 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2025-01-09 18:33:25,202 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 34.0) internal successors, (136), 3 states have internal predecessors, (136), 2 states have call successors, (28), 2 states have call predecessors, (28), 1 states have return successors, (27), 1 states have call predecessors, (27), 1 states have call successors, (27) [2025-01-09 18:33:25,202 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2025-01-09 18:33:25,203 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2025-01-09 18:33:25,205 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2025-01-09 18:33:25,223 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Ended with exit code 0 [2025-01-09 18:33:25,405 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9,8 /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-01-09 18:33:25,409 INFO L422 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-01-09 18:33:25,410 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2025-01-09 18:33:27,482 INFO L170 ceAbstractionStarter]: Computing trace abstraction results [2025-01-09 18:33:27,494 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 09.01 06:33:27 BoogieIcfgContainer [2025-01-09 18:33:27,494 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2025-01-09 18:33:27,495 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2025-01-09 18:33:27,495 INFO L270 PluginConnector]: Initializing Witness Printer... [2025-01-09 18:33:27,495 INFO L274 PluginConnector]: Witness Printer initialized [2025-01-09 18:33:27,496 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.01 06:33:03" (3/4) ... [2025-01-09 18:33:27,497 INFO L146 WitnessPrinter]: Generating witness for correct program [2025-01-09 18:33:27,502 INFO L362 RCFGBacktranslator]: Ignoring RootEdge to procedure copy_from_user [2025-01-09 18:33:27,503 INFO L362 RCFGBacktranslator]: Ignoring RootEdge to procedure pi_release [2025-01-09 18:33:27,503 INFO L362 RCFGBacktranslator]: Ignoring RootEdge to procedure pt_identify [2025-01-09 18:33:27,503 INFO L362 RCFGBacktranslator]: Ignoring RootEdge to procedure pi_init [2025-01-09 18:33:27,503 INFO L362 RCFGBacktranslator]: Ignoring RootEdge to procedure write_reg [2025-01-09 18:33:27,503 INFO L362 RCFGBacktranslator]: Ignoring RootEdge to procedure atomic_inc [2025-01-09 18:33:27,503 INFO L362 RCFGBacktranslator]: Ignoring RootEdge to procedure pi_read_regr [2025-01-09 18:33:27,503 INFO L362 RCFGBacktranslator]: Ignoring RootEdge to procedure might_fault [2025-01-09 18:33:27,503 INFO L362 RCFGBacktranslator]: Ignoring RootEdge to procedure printk [2025-01-09 18:33:27,504 INFO L362 RCFGBacktranslator]: Ignoring RootEdge to procedure pi_disconnect [2025-01-09 18:33:27,504 INFO L362 RCFGBacktranslator]: Ignoring RootEdge to procedure pt_command [2025-01-09 18:33:27,504 INFO L362 RCFGBacktranslator]: Ignoring RootEdge to procedure status_reg [2025-01-09 18:33:27,504 INFO L362 RCFGBacktranslator]: Ignoring RootEdge to procedure __const_udelay [2025-01-09 18:33:27,504 INFO L362 RCFGBacktranslator]: Ignoring RootEdge to procedure DRIVE [2025-01-09 18:33:27,504 INFO L362 RCFGBacktranslator]: Ignoring RootEdge to procedure pt_wait [2025-01-09 18:33:27,504 INFO L362 RCFGBacktranslator]: Ignoring RootEdge to procedure pt_write [2025-01-09 18:33:27,504 INFO L362 RCFGBacktranslator]: Ignoring RootEdge to procedure mutex_unlock [2025-01-09 18:33:27,504 INFO L362 RCFGBacktranslator]: Ignoring RootEdge to procedure ldv_error [2025-01-09 18:33:27,504 INFO L362 RCFGBacktranslator]: Ignoring RootEdge to procedure pi_connect [2025-01-09 18:33:27,504 INFO L362 RCFGBacktranslator]: Ignoring RootEdge to procedure _copy_to_user [2025-01-09 18:33:27,504 INFO L362 RCFGBacktranslator]: Ignoring RootEdge to procedure ldv_stop [2025-01-09 18:33:27,504 INFO L362 RCFGBacktranslator]: Ignoring RootEdge to procedure pt_completion [2025-01-09 18:33:27,504 INFO L362 RCFGBacktranslator]: Ignoring RootEdge to procedure device_destroy [2025-01-09 18:33:27,504 INFO L362 RCFGBacktranslator]: Ignoring RootEdge to procedure pi_read_block [2025-01-09 18:33:27,504 INFO L362 RCFGBacktranslator]: Ignoring RootEdge to procedure ldv__builtin_expect [2025-01-09 18:33:27,504 INFO L362 RCFGBacktranslator]: Ignoring RootEdge to procedure mutex_lock_nested [2025-01-09 18:33:27,504 INFO L362 RCFGBacktranslator]: Ignoring RootEdge to procedure read_reg [2025-01-09 18:33:27,504 INFO L362 RCFGBacktranslator]: Ignoring RootEdge to procedure pt_sleep [2025-01-09 18:33:27,505 INFO L362 RCFGBacktranslator]: Ignoring RootEdge to procedure pt_probe [2025-01-09 18:33:27,505 INFO L362 RCFGBacktranslator]: Ignoring RootEdge to procedure pt_media_access_cmd [2025-01-09 18:33:27,505 INFO L362 RCFGBacktranslator]: Ignoring RootEdge to procedure pt_write_fm [2025-01-09 18:33:27,505 INFO L362 RCFGBacktranslator]: Ignoring RootEdge to procedure assume_abort_if_not [2025-01-09 18:33:27,505 INFO L362 RCFGBacktranslator]: Ignoring RootEdge to procedure ldv_unregister_chrdev_20 [2025-01-09 18:33:27,505 INFO L362 RCFGBacktranslator]: Ignoring RootEdge to procedure pt_rewind [2025-01-09 18:33:27,505 INFO L362 RCFGBacktranslator]: Ignoring RootEdge to procedure ldv_malloc [2025-01-09 18:33:27,505 INFO L362 RCFGBacktranslator]: Ignoring RootEdge to procedure iminor [2025-01-09 18:33:27,505 INFO L362 RCFGBacktranslator]: Ignoring RootEdge to procedure pt_atapi [2025-01-09 18:33:27,505 INFO L362 RCFGBacktranslator]: Ignoring RootEdge to procedure pt_poll_dsc [2025-01-09 18:33:27,505 INFO L362 RCFGBacktranslator]: Ignoring RootEdge to procedure device_create [2025-01-09 18:33:27,505 INFO L362 RCFGBacktranslator]: Ignoring RootEdge to procedure xn [2025-01-09 18:33:27,505 INFO L362 RCFGBacktranslator]: Ignoring RootEdge to procedure ldv_zalloc [2025-01-09 18:33:27,506 INFO L362 RCFGBacktranslator]: Ignoring RootEdge to procedure _copy_from_user [2025-01-09 18:33:27,506 INFO L362 RCFGBacktranslator]: Ignoring RootEdge to procedure pt_req_sense [2025-01-09 18:33:27,506 INFO L362 RCFGBacktranslator]: Ignoring RootEdge to procedure xs [2025-01-09 18:33:27,506 INFO L362 RCFGBacktranslator]: Ignoring RootEdge to procedure pt_reset [2025-01-09 18:33:27,506 INFO L362 RCFGBacktranslator]: Ignoring RootEdge to procedure pi_write_block [2025-01-09 18:33:27,506 INFO L362 RCFGBacktranslator]: Ignoring RootEdge to procedure IS_ERR [2025-01-09 18:33:27,543 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 334 nodes and edges [2025-01-09 18:33:27,546 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 116 nodes and edges [2025-01-09 18:33:27,549 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 34 nodes and edges [2025-01-09 18:33:27,551 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 12 nodes and edges [2025-01-09 18:33:27,554 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 4 nodes and edges [2025-01-09 18:33:27,559 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2025-01-09 18:33:27,564 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2025-01-09 18:33:27,565 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2025-01-09 18:33:27,754 INFO L149 WitnessManager]: Wrote witness to /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/witness.graphml [2025-01-09 18:33:27,756 INFO L149 WitnessManager]: Wrote witness to /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/witness.yml [2025-01-09 18:33:27,756 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2025-01-09 18:33:27,757 INFO L158 Benchmark]: Toolchain (without parser) took 37399.12ms. Allocated memory was 142.6MB in the beginning and 1.3GB in the end (delta: 1.2GB). Free memory was 107.5MB in the beginning and 934.1MB in the end (delta: -826.6MB). Peak memory consumption was 364.5MB. Max. memory is 16.1GB. [2025-01-09 18:33:27,757 INFO L158 Benchmark]: CDTParser took 0.86ms. Allocated memory is still 201.3MB. Free memory is still 122.4MB. There was no memory consumed. Max. memory is 16.1GB. [2025-01-09 18:33:27,757 INFO L158 Benchmark]: CACSL2BoogieTranslator took 946.72ms. Allocated memory is still 142.6MB. Free memory was 107.5MB in the beginning and 79.4MB in the end (delta: 28.2MB). Peak memory consumption was 92.3MB. Max. memory is 16.1GB. [2025-01-09 18:33:27,758 INFO L158 Benchmark]: Boogie Procedure Inliner took 129.75ms. Allocated memory is still 142.6MB. Free memory was 79.4MB in the beginning and 64.0MB in the end (delta: 15.4MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2025-01-09 18:33:27,758 INFO L158 Benchmark]: Boogie Preprocessor took 282.89ms. Allocated memory is still 142.6MB. Free memory was 64.0MB in the beginning and 82.5MB in the end (delta: -18.5MB). Peak memory consumption was 26.8MB. Max. memory is 16.1GB. [2025-01-09 18:33:27,758 INFO L158 Benchmark]: RCFGBuilder took 11977.13ms. Allocated memory was 142.6MB in the beginning and 234.9MB in the end (delta: 92.3MB). Free memory was 82.5MB in the beginning and 133.4MB in the end (delta: -51.0MB). Peak memory consumption was 119.3MB. Max. memory is 16.1GB. [2025-01-09 18:33:27,759 INFO L158 Benchmark]: TraceAbstraction took 23795.18ms. Allocated memory was 234.9MB in the beginning and 1.3GB in the end (delta: 1.1GB). Free memory was 133.4MB in the beginning and 976.0MB in the end (delta: -842.6MB). Peak memory consumption was 260.4MB. Max. memory is 16.1GB. [2025-01-09 18:33:27,759 INFO L158 Benchmark]: Witness Printer took 261.11ms. Allocated memory is still 1.3GB. Free memory was 976.0MB in the beginning and 934.1MB in the end (delta: 41.9MB). Peak memory consumption was 33.6MB. Max. memory is 16.1GB. [2025-01-09 18:33:27,760 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.86ms. Allocated memory is still 201.3MB. Free memory is still 122.4MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 946.72ms. Allocated memory is still 142.6MB. Free memory was 107.5MB in the beginning and 79.4MB in the end (delta: 28.2MB). Peak memory consumption was 92.3MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 129.75ms. Allocated memory is still 142.6MB. Free memory was 79.4MB in the beginning and 64.0MB in the end (delta: 15.4MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * Boogie Preprocessor took 282.89ms. Allocated memory is still 142.6MB. Free memory was 64.0MB in the beginning and 82.5MB in the end (delta: -18.5MB). Peak memory consumption was 26.8MB. Max. memory is 16.1GB. * RCFGBuilder took 11977.13ms. Allocated memory was 142.6MB in the beginning and 234.9MB in the end (delta: 92.3MB). Free memory was 82.5MB in the beginning and 133.4MB in the end (delta: -51.0MB). Peak memory consumption was 119.3MB. Max. memory is 16.1GB. * TraceAbstraction took 23795.18ms. Allocated memory was 234.9MB in the beginning and 1.3GB in the end (delta: 1.1GB). Free memory was 133.4MB in the beginning and 976.0MB in the end (delta: -842.6MB). Peak memory consumption was 260.4MB. Max. memory is 16.1GB. * Witness Printer took 261.11ms. Allocated memory is still 1.3GB. Free memory was 976.0MB in the beginning and 934.1MB in the end (delta: 41.9MB). Peak memory consumption was 33.6MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - GenericResultAtLocation [Line: 3171]: Unsoundness Warning Ignoring inline assembler instruction C: __asm__ volatile (".pushsection .smp_locks,\"a\"\n.balign 4\n.long 671f - .\n.popsection\n671:\n\tlock; incl %0": "+m" (v->counter)); [3171] - GenericResultAtLocation [Line: 3179]: Unsoundness Warning Ignoring inline assembler instruction C: __asm__ volatile (".pushsection .smp_locks,\"a\"\n.balign 4\n.long 671f - .\n.popsection\n671:\n\tlock; decl %0; sete %1": "+m" (v->counter), "=qm" (c): : "memory"); [3179-3180] * 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 48 procedures, 883 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 21.7s, OverallIterations: 10, TraceHistogramMax: 6, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.1s, AutomataDifference: 1.1s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 1644 SdHoareTripleChecker+Valid, 0.4s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 1632 mSDsluCounter, 24062 SdHoareTripleChecker+Invalid, 0.4s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 11819 mSDsCounter, 9 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 122 IncrementalHoareTripleChecker+Invalid, 131 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 9 mSolverCounterUnsat, 12243 mSDtfsCounter, 122 mSolverCounterSat, 0.1s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 1441 GetRequests, 1415 SyntacticMatches, 0 SemanticMatches, 26 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 8 ImplicationChecksByTransitivity, 0.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=1281occurred in iteration=9, InterpolantAutomatonStates: 31, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.4s AutomataMinimizationTime, 10 MinimizatonAttempts, 48 StatesRemovedByMinimization, 4 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.8s SsaConstructionTime, 3.2s SatisfiabilityAnalysisTime, 3.4s InterpolantComputationTime, 3309 NumberOfCodeBlocks, 3309 NumberOfCodeBlocksAsserted, 17 NumberOfCheckSat, 3292 ConstructedInterpolants, 0 QuantifiedInterpolants, 3951 SizeOfPredicates, 1 NumberOfNonLiveVariables, 28629 ConjunctsInSsa, 18 ConjunctsInUnsatCore, 17 InterpolantComputations, 10 PerfectInterpolantSequences, 1249/1256 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: 4426]: Location Invariant Derived location invariant: (ldv_spin == 0) - InvariantResult [Line: 4058]: Location Invariant Derived location invariant: (ldv_spin == 0) - InvariantResult [Line: 4301]: Location Invariant Derived location invariant: (ldv_spin == 0) - InvariantResult [Line: 4673]: Location Invariant Derived location invariant: (ldv_spin == 0) - InvariantResult [Line: 4461]: Location Invariant Derived location invariant: (ldv_spin == 0) - InvariantResult [Line: 4591]: Location Invariant Derived location invariant: (ldv_spin == 0) - InvariantResult [Line: 4112]: Loop Invariant Derived loop invariant: (ldv_spin == 0) - InvariantResult [Line: 4515]: Location Invariant Derived location invariant: 0 - InvariantResult [Line: 3641]: Location Invariant Derived location invariant: 0 - InvariantResult [Line: 4461]: Location Invariant Derived location invariant: (ldv_spin == 0) - InvariantResult [Line: 4301]: Location Invariant Derived location invariant: (ldv_spin == 0) - InvariantResult [Line: 4214]: Location Invariant Derived location invariant: (ldv_spin == 0) - InvariantResult [Line: 3467]: Location Invariant Derived location invariant: (ldv_spin == 0) - InvariantResult [Line: 3679]: Location Invariant Derived location invariant: (ldv_spin == 0) - InvariantResult [Line: 4351]: Location Invariant Derived location invariant: 0 - InvariantResult [Line: 3784]: Location Invariant Derived location invariant: (ldv_spin == 0) - InvariantResult [Line: 3467]: Location Invariant Derived location invariant: (ldv_spin == 0) - InvariantResult [Line: 3825]: Location Invariant Derived location invariant: (ldv_spin == 0) - InvariantResult [Line: 3602]: Location Invariant Derived location invariant: 0 - InvariantResult [Line: 3784]: Location Invariant Derived location invariant: (ldv_spin == 0) RESULT: Ultimate proved your program to be correct! [2025-01-09 18:33:27,790 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Ended with exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: TRUE