./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-08_1a-drivers--net--arcnet--com90xx.ko-entry_point.cil.out.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version c00e63dc Calling Ultimate with: /root/.sdkman/candidates/java/21.0.5-tem/bin/java -Dosgi.configuration.area=/storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i ../sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-08_1a-drivers--net--arcnet--com90xx.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 47d4461f591f5c9a52c15dff47d7e2157d1252b7ce09c2294e271b7cda5a7338 --- Real Ultimate output --- This is Ultimate 0.3.0-?-c00e63d-m [2025-02-06 06:37:33,377 INFO L188 SettingsManager]: Resetting all preferences to default values... [2025-02-06 06:37:33,429 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Default.epf [2025-02-06 06:37:33,432 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2025-02-06 06:37:33,432 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2025-02-06 06:37:33,451 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2025-02-06 06:37:33,452 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2025-02-06 06:37:33,452 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2025-02-06 06:37:33,453 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2025-02-06 06:37:33,453 INFO L153 SettingsManager]: * Use memory slicer=true [2025-02-06 06:37:33,454 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2025-02-06 06:37:33,454 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2025-02-06 06:37:33,454 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2025-02-06 06:37:33,454 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2025-02-06 06:37:33,454 INFO L153 SettingsManager]: * Use SBE=true [2025-02-06 06:37:33,454 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2025-02-06 06:37:33,455 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2025-02-06 06:37:33,455 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2025-02-06 06:37:33,455 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2025-02-06 06:37:33,455 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2025-02-06 06:37:33,455 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2025-02-06 06:37:33,455 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2025-02-06 06:37:33,455 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2025-02-06 06:37:33,455 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2025-02-06 06:37:33,455 INFO L153 SettingsManager]: * Use constant arrays=true [2025-02-06 06:37:33,455 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2025-02-06 06:37:33,456 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2025-02-06 06:37:33,456 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2025-02-06 06:37:33,456 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2025-02-06 06:37:33,456 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2025-02-06 06:37:33,456 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2025-02-06 06:37:33,456 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2025-02-06 06:37:33,456 INFO L153 SettingsManager]: * Compute procedure contracts=false [2025-02-06 06:37:33,457 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2025-02-06 06:37:33,457 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2025-02-06 06:37:33,457 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2025-02-06 06:37:33,457 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2025-02-06 06:37:33,457 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2025-02-06 06:37:33,457 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2025-02-06 06:37:33,457 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2025-02-06 06:37:33,457 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 -> 47d4461f591f5c9a52c15dff47d7e2157d1252b7ce09c2294e271b7cda5a7338 [2025-02-06 06:37:33,686 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2025-02-06 06:37:33,693 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2025-02-06 06:37:33,696 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2025-02-06 06:37:33,698 INFO L270 PluginConnector]: Initializing CDTParser... [2025-02-06 06:37:33,699 INFO L274 PluginConnector]: CDTParser initialized [2025-02-06 06:37:33,700 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-08_1a-drivers--net--arcnet--com90xx.ko-entry_point.cil.out.i [2025-02-06 06:37:34,955 INFO L533 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/2ea1c9beb/dab79487187440d1bd23ff84d5dfe162/FLAG43a22587c [2025-02-06 06:37:35,374 INFO L384 CDTParser]: Found 1 translation units. [2025-02-06 06:37:35,375 INFO L180 CDTParser]: Scanning /storage/repos/ultimate-jdk21/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-08_1a-drivers--net--arcnet--com90xx.ko-entry_point.cil.out.i [2025-02-06 06:37:35,397 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/2ea1c9beb/dab79487187440d1bd23ff84d5dfe162/FLAG43a22587c [2025-02-06 06:37:35,414 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/2ea1c9beb/dab79487187440d1bd23ff84d5dfe162 [2025-02-06 06:37:35,415 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2025-02-06 06:37:35,416 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2025-02-06 06:37:35,417 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2025-02-06 06:37:35,418 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2025-02-06 06:37:35,421 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2025-02-06 06:37:35,421 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.02 06:37:35" (1/1) ... [2025-02-06 06:37:35,422 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@69f79748 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.02 06:37:35, skipping insertion in model container [2025-02-06 06:37:35,422 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.02 06:37:35" (1/1) ... [2025-02-06 06:37:35,492 INFO L175 MainTranslator]: Built tables and reachable declarations [2025-02-06 06:37:36,160 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-4.2-rc1/linux-4.2-rc1.tar.xz-08_1a-drivers--net--arcnet--com90xx.ko-entry_point.cil.out.i[193157,193170] [2025-02-06 06:37:36,195 INFO L210 PostProcessor]: Analyzing one entry point: main [2025-02-06 06:37:36,213 INFO L200 MainTranslator]: Completed pre-run [2025-02-06 06:37:36,350 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("movb %1,%0": "=q" (ret): "m" (*((unsigned char volatile *)addr)): "memory"); [5420] [2025-02-06 06:37:36,352 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("movb %0,%1": : "q" (val), "m" (*((unsigned char volatile *)addr)): "memory"); [5427] [2025-02-06 06:37:36,352 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("outb %b0, %w1": : "a" (value), "Nd" (port)); [5458] [2025-02-06 06:37:36,353 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("inb %w1, %b0": "=a" (value): "Nd" (port)); [5466] [2025-02-06 06:37:36,429 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-4.2-rc1/linux-4.2-rc1.tar.xz-08_1a-drivers--net--arcnet--com90xx.ko-entry_point.cil.out.i[193157,193170] [2025-02-06 06:37:36,433 INFO L210 PostProcessor]: Analyzing one entry point: main [2025-02-06 06:37:36,455 INFO L204 MainTranslator]: Completed translation [2025-02-06 06:37:36,456 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.02 06:37:36 WrapperNode [2025-02-06 06:37:36,456 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2025-02-06 06:37:36,457 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2025-02-06 06:37:36,457 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2025-02-06 06:37:36,457 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2025-02-06 06:37:36,460 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.02 06:37:36" (1/1) ... [2025-02-06 06:37:36,497 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.02 06:37:36" (1/1) ... [2025-02-06 06:37:36,554 INFO L138 Inliner]: procedures = 99, calls = 572, calls flagged for inlining = 31, calls inlined = 25, statements flattened = 2018 [2025-02-06 06:37:36,555 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2025-02-06 06:37:36,555 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2025-02-06 06:37:36,555 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2025-02-06 06:37:36,555 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2025-02-06 06:37:36,562 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.02 06:37:36" (1/1) ... [2025-02-06 06:37:36,562 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.02 06:37:36" (1/1) ... [2025-02-06 06:37:36,601 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.02 06:37:36" (1/1) ... [2025-02-06 06:37:36,662 INFO L175 MemorySlicer]: Split 281 memory accesses to 11 slices as follows [2, 2, 143, 2, 2, 18, 10, 69, 2, 29, 2]. 51 percent of accesses are in the largest equivalence class. The 188 initializations are split as follows [2, 2, 143, 2, 2, 16, 9, 8, 2, 0, 2]. The 31 writes are split as follows [0, 0, 0, 0, 0, 1, 0, 20, 0, 10, 0]. [2025-02-06 06:37:36,662 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.02 06:37:36" (1/1) ... [2025-02-06 06:37:36,663 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.02 06:37:36" (1/1) ... [2025-02-06 06:37:36,706 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.02 06:37:36" (1/1) ... [2025-02-06 06:37:36,710 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.02 06:37:36" (1/1) ... [2025-02-06 06:37:36,719 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.02 06:37:36" (1/1) ... [2025-02-06 06:37:36,726 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.02 06:37:36" (1/1) ... [2025-02-06 06:37:36,742 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2025-02-06 06:37:36,744 INFO L112 PluginConnector]: ------------------------IcfgBuilder---------------------------- [2025-02-06 06:37:36,745 INFO L270 PluginConnector]: Initializing IcfgBuilder... [2025-02-06 06:37:36,745 INFO L274 PluginConnector]: IcfgBuilder initialized [2025-02-06 06:37:36,745 INFO L184 PluginConnector]: Executing the observer IcfgBuilderObserver from plugin IcfgBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.02 06:37:36" (1/1) ... [2025-02-06 06:37:36,750 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2025-02-06 06:37:36,759 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-06 06:37:36,776 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2025-02-06 06:37:36,781 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2025-02-06 06:37:36,803 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2025-02-06 06:37:36,803 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2025-02-06 06:37:36,803 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#0 [2025-02-06 06:37:36,803 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#1 [2025-02-06 06:37:36,803 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#2 [2025-02-06 06:37:36,803 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#3 [2025-02-06 06:37:36,804 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#4 [2025-02-06 06:37:36,804 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#5 [2025-02-06 06:37:36,804 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#6 [2025-02-06 06:37:36,804 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#7 [2025-02-06 06:37:36,804 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#8 [2025-02-06 06:37:36,804 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#9 [2025-02-06 06:37:36,804 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#10 [2025-02-06 06:37:36,804 INFO L130 BoogieDeclarations]: Found specification of procedure free_netdev [2025-02-06 06:37:36,804 INFO L138 BoogieDeclarations]: Found implementation of procedure free_netdev [2025-02-06 06:37:36,804 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2025-02-06 06:37:36,805 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2025-02-06 06:37:36,805 INFO L130 BoogieDeclarations]: Found specification of procedure check_mirror [2025-02-06 06:37:36,805 INFO L138 BoogieDeclarations]: Found implementation of procedure check_mirror [2025-02-06 06:37:36,806 INFO L130 BoogieDeclarations]: Found specification of procedure __release_region [2025-02-06 06:37:36,806 INFO L138 BoogieDeclarations]: Found implementation of procedure __release_region [2025-02-06 06:37:36,806 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2025-02-06 06:37:36,806 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree [2025-02-06 06:37:36,806 INFO L130 BoogieDeclarations]: Found specification of procedure free_irq [2025-02-06 06:37:36,806 INFO L138 BoogieDeclarations]: Found implementation of procedure free_irq [2025-02-06 06:37:36,806 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#0 [2025-02-06 06:37:36,807 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#1 [2025-02-06 06:37:36,808 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#2 [2025-02-06 06:37:36,808 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#3 [2025-02-06 06:37:36,808 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#4 [2025-02-06 06:37:36,808 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#5 [2025-02-06 06:37:36,808 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#6 [2025-02-06 06:37:36,808 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#7 [2025-02-06 06:37:36,808 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#8 [2025-02-06 06:37:36,808 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#9 [2025-02-06 06:37:36,808 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#10 [2025-02-06 06:37:36,808 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_error [2025-02-06 06:37:36,809 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_error [2025-02-06 06:37:36,809 INFO L130 BoogieDeclarations]: Found specification of procedure disable_suitable_irq_1 [2025-02-06 06:37:36,809 INFO L138 BoogieDeclarations]: Found implementation of procedure disable_suitable_irq_1 [2025-02-06 06:37:36,809 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2025-02-06 06:37:36,809 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2025-02-06 06:37:36,809 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2025-02-06 06:37:36,809 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2025-02-06 06:37:36,810 INFO L130 BoogieDeclarations]: Found specification of procedure __const_udelay [2025-02-06 06:37:36,810 INFO L138 BoogieDeclarations]: Found implementation of procedure __const_udelay [2025-02-06 06:37:36,810 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#0 [2025-02-06 06:37:36,810 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#1 [2025-02-06 06:37:36,810 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#2 [2025-02-06 06:37:36,810 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#3 [2025-02-06 06:37:36,810 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#4 [2025-02-06 06:37:36,810 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#5 [2025-02-06 06:37:36,810 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#6 [2025-02-06 06:37:36,810 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#7 [2025-02-06 06:37:36,810 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#8 [2025-02-06 06:37:36,810 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#9 [2025-02-06 06:37:36,810 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#10 [2025-02-06 06:37:36,811 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2025-02-06 06:37:36,811 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_irq_1 [2025-02-06 06:37:36,811 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_irq_1 [2025-02-06 06:37:36,811 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#0 [2025-02-06 06:37:36,811 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#1 [2025-02-06 06:37:36,811 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#2 [2025-02-06 06:37:36,811 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#3 [2025-02-06 06:37:36,811 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#4 [2025-02-06 06:37:36,811 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#5 [2025-02-06 06:37:36,811 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#6 [2025-02-06 06:37:36,811 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#7 [2025-02-06 06:37:36,811 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#8 [2025-02-06 06:37:36,811 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#9 [2025-02-06 06:37:36,811 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#10 [2025-02-06 06:37:36,811 INFO L130 BoogieDeclarations]: Found specification of procedure ioremap [2025-02-06 06:37:36,811 INFO L138 BoogieDeclarations]: Found implementation of procedure ioremap [2025-02-06 06:37:36,811 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2025-02-06 06:37:36,811 INFO L130 BoogieDeclarations]: Found specification of procedure iounmap [2025-02-06 06:37:36,811 INFO L138 BoogieDeclarations]: Found implementation of procedure iounmap [2025-02-06 06:37:36,811 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#0 [2025-02-06 06:37:36,811 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#1 [2025-02-06 06:37:36,811 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#2 [2025-02-06 06:37:36,811 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#3 [2025-02-06 06:37:36,811 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#4 [2025-02-06 06:37:36,811 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#5 [2025-02-06 06:37:36,811 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#6 [2025-02-06 06:37:36,811 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#7 [2025-02-06 06:37:36,811 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#8 [2025-02-06 06:37:36,811 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#9 [2025-02-06 06:37:36,811 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#10 [2025-02-06 06:37:36,811 INFO L130 BoogieDeclarations]: Found specification of procedure printk [2025-02-06 06:37:36,811 INFO L138 BoogieDeclarations]: Found implementation of procedure printk [2025-02-06 06:37:36,811 INFO L130 BoogieDeclarations]: Found specification of procedure kzalloc [2025-02-06 06:37:36,811 INFO L138 BoogieDeclarations]: Found implementation of procedure kzalloc [2025-02-06 06:37:36,811 INFO L130 BoogieDeclarations]: Found specification of procedure inb [2025-02-06 06:37:36,811 INFO L138 BoogieDeclarations]: Found implementation of procedure inb [2025-02-06 06:37:36,811 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_priv [2025-02-06 06:37:36,811 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_priv [2025-02-06 06:37:36,811 INFO L130 BoogieDeclarations]: Found specification of procedure outb [2025-02-06 06:37:36,811 INFO L138 BoogieDeclarations]: Found implementation of procedure outb [2025-02-06 06:37:36,812 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2025-02-06 06:37:36,814 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#1 [2025-02-06 06:37:36,814 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#2 [2025-02-06 06:37:36,814 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#3 [2025-02-06 06:37:36,814 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#4 [2025-02-06 06:37:36,814 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#5 [2025-02-06 06:37:36,814 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#6 [2025-02-06 06:37:36,814 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#7 [2025-02-06 06:37:36,814 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#8 [2025-02-06 06:37:36,814 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#9 [2025-02-06 06:37:36,814 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#10 [2025-02-06 06:37:36,814 INFO L130 BoogieDeclarations]: Found specification of procedure writeb [2025-02-06 06:37:36,814 INFO L138 BoogieDeclarations]: Found implementation of procedure writeb [2025-02-06 06:37:36,814 INFO L130 BoogieDeclarations]: Found specification of procedure __request_region [2025-02-06 06:37:36,814 INFO L138 BoogieDeclarations]: Found implementation of procedure __request_region [2025-02-06 06:37:36,814 INFO L130 BoogieDeclarations]: Found specification of procedure readb [2025-02-06 06:37:36,814 INFO L138 BoogieDeclarations]: Found implementation of procedure readb [2025-02-06 06:37:36,814 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2025-02-06 06:37:36,814 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2025-02-06 06:37:37,063 INFO L257 CfgBuilder]: Building ICFG [2025-02-06 06:37:37,064 INFO L287 CfgBuilder]: Building CFG for each procedure with an implementation [2025-02-06 06:37:37,100 INFO L1309 $ProcedureCfgBuilder]: dead code at ProgramPoint L6955: havoc arcnet_interrupt_#t~nondet308#1; [2025-02-06 06:37:37,101 INFO L1309 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stopFINAL: assume true; [2025-02-06 06:37:37,108 INFO L1309 $ProcedureCfgBuilder]: dead code at ProgramPoint L6964: havoc ioremap_nocache_#t~ret309#1.base, ioremap_nocache_#t~ret309#1.offset; [2025-02-06 06:37:37,139 INFO L1309 $ProcedureCfgBuilder]: dead code at ProgramPoint L6974: havoc #t~nondet310; [2025-02-06 06:37:37,164 INFO L1309 $ProcedureCfgBuilder]: dead code at ProgramPoint L5474: havoc __kmalloc_#t~ret24#1.base, __kmalloc_#t~ret24#1.offset; [2025-02-06 06:37:37,175 INFO L1309 $ProcedureCfgBuilder]: dead code at ProgramPoint L6948: havoc #t~ret306.base, #t~ret306.offset; [2025-02-06 06:37:38,066 INFO L1309 $ProcedureCfgBuilder]: dead code at ProgramPoint L6978: havoc probe_irq_off_#t~nondet311#1; [2025-02-06 06:37:38,068 INFO L1309 $ProcedureCfgBuilder]: dead code at ProgramPoint L5659: call ULTIMATE.dealloc(com90xx_probe_~#ports~0#1.base, com90xx_probe_~#ports~0#1.offset);havoc com90xx_probe_~#ports~0#1.base, com90xx_probe_~#ports~0#1.offset; [2025-02-06 06:37:38,068 INFO L1309 $ProcedureCfgBuilder]: dead code at ProgramPoint L6982: havoc probe_irq_on_#t~nondet312#1; [2025-02-06 06:37:38,068 INFO L1309 $ProcedureCfgBuilder]: dead code at ProgramPoint L6986: havoc register_netdev_#t~nondet313#1; [2025-02-06 06:37:38,068 INFO L1309 $ProcedureCfgBuilder]: dead code at ProgramPoint L6990: havoc request_threaded_irq_#t~nondet314#1; [2025-02-06 06:37:38,068 INFO L1309 $ProcedureCfgBuilder]: dead code at ProgramPoint L6951: havoc alloc_arcdev_#t~ret307#1.base, alloc_arcdev_#t~ret307#1.offset; [2025-02-06 06:37:38,296 INFO L? ?]: Removed 404 outVars from TransFormulas that were not future-live. [2025-02-06 06:37:38,297 INFO L308 CfgBuilder]: Performing block encoding [2025-02-06 06:37:38,373 INFO L332 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2025-02-06 06:37:38,373 INFO L337 CfgBuilder]: Removed 0 assume(true) statements. [2025-02-06 06:37:38,374 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 06.02 06:37:38 BoogieIcfgContainer [2025-02-06 06:37:38,374 INFO L131 PluginConnector]: ------------------------ END IcfgBuilder---------------------------- [2025-02-06 06:37:38,377 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2025-02-06 06:37:38,377 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2025-02-06 06:37:38,380 INFO L274 PluginConnector]: TraceAbstraction initialized [2025-02-06 06:37:38,381 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 06.02 06:37:35" (1/3) ... [2025-02-06 06:37:38,381 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@42391403 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 06.02 06:37:38, skipping insertion in model container [2025-02-06 06:37:38,381 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.02 06:37:36" (2/3) ... [2025-02-06 06:37:38,381 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@42391403 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 06.02 06:37:38, skipping insertion in model container [2025-02-06 06:37:38,381 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 06.02 06:37:38" (3/3) ... [2025-02-06 06:37:38,382 INFO L128 eAbstractionObserver]: Analyzing ICFG linux-4.2-rc1.tar.xz-08_1a-drivers--net--arcnet--com90xx.ko-entry_point.cil.out.i [2025-02-06 06:37:38,393 INFO L216 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2025-02-06 06:37:38,396 INFO L151 ceAbstractionStarter]: Applying trace abstraction to ICFG linux-4.2-rc1.tar.xz-08_1a-drivers--net--arcnet--com90xx.ko-entry_point.cil.out.i that has 23 procedures, 742 locations, 1 initial locations, 1 loop locations, and 1 error locations. [2025-02-06 06:37:38,460 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2025-02-06 06:37:38,468 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;@561efb48, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2025-02-06 06:37:38,468 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2025-02-06 06:37:38,473 INFO L276 IsEmpty]: Start isEmpty. Operand has 743 states, 580 states have (on average 1.4810344827586206) internal successors, (859), 595 states have internal predecessors, (859), 138 states have call successors, (138), 22 states have call predecessors, (138), 21 states have return successors, (134), 134 states have call predecessors, (134), 134 states have call successors, (134) [2025-02-06 06:37:38,478 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2025-02-06 06:37:38,478 INFO L210 NwaCegarLoop]: Found error trace [2025-02-06 06:37:38,479 INFO L218 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-02-06 06:37:38,479 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2025-02-06 06:37:38,483 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-06 06:37:38,483 INFO L85 PathProgramCache]: Analyzing trace with hash -1573573952, now seen corresponding path program 1 times [2025-02-06 06:37:38,488 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-06 06:37:38,489 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2005244690] [2025-02-06 06:37:38,489 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-06 06:37:38,489 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-06 06:37:38,597 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 15 statements into 1 equivalence classes. [2025-02-06 06:37:38,655 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 15 of 15 statements. [2025-02-06 06:37:38,655 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-06 06:37:38,655 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-06 06:37:38,850 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-02-06 06:37:38,850 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-06 06:37:38,850 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2005244690] [2025-02-06 06:37:38,851 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2005244690] provided 1 perfect and 0 imperfect interpolant sequences [2025-02-06 06:37:38,851 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-02-06 06:37:38,851 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2025-02-06 06:37:38,852 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [849841383] [2025-02-06 06:37:38,852 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-02-06 06:37:38,855 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2025-02-06 06:37:38,855 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-06 06:37:38,866 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2025-02-06 06:37:38,866 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-02-06 06:37:38,869 INFO L87 Difference]: Start difference. First operand has 743 states, 580 states have (on average 1.4810344827586206) internal successors, (859), 595 states have internal predecessors, (859), 138 states have call successors, (138), 22 states have call predecessors, (138), 21 states have return successors, (134), 134 states have call predecessors, (134), 134 states have call successors, (134) Second operand has 3 states, 3 states have (on average 4.666666666666667) internal successors, (14), 3 states have internal predecessors, (14), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-02-06 06:37:39,083 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-02-06 06:37:39,084 INFO L93 Difference]: Finished difference Result 1548 states and 2363 transitions. [2025-02-06 06:37:39,085 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-02-06 06:37:39,086 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 4.666666666666667) internal successors, (14), 3 states have internal predecessors, (14), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 15 [2025-02-06 06:37:39,086 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-02-06 06:37:39,095 INFO L225 Difference]: With dead ends: 1548 [2025-02-06 06:37:39,095 INFO L226 Difference]: Without dead ends: 791 [2025-02-06 06:37:39,101 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-02-06 06:37:39,103 INFO L435 NwaCegarLoop]: 1083 mSDtfsCounter, 1079 mSDsluCounter, 113 mSDsCounter, 0 mSdLazyCounter, 74 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1079 SdHoareTripleChecker+Valid, 1196 SdHoareTripleChecker+Invalid, 77 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 74 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2025-02-06 06:37:39,103 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [1079 Valid, 1196 Invalid, 77 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 74 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2025-02-06 06:37:39,114 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 791 states. [2025-02-06 06:37:39,206 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 791 to 791. [2025-02-06 06:37:39,211 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 791 states, 625 states have (on average 1.4544) internal successors, (909), 632 states have internal predecessors, (909), 138 states have call successors, (138), 28 states have call predecessors, (138), 27 states have return successors, (137), 137 states have call predecessors, (137), 137 states have call successors, (137) [2025-02-06 06:37:39,219 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 791 states to 791 states and 1184 transitions. [2025-02-06 06:37:39,221 INFO L78 Accepts]: Start accepts. Automaton has 791 states and 1184 transitions. Word has length 15 [2025-02-06 06:37:39,221 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-02-06 06:37:39,221 INFO L471 AbstractCegarLoop]: Abstraction has 791 states and 1184 transitions. [2025-02-06 06:37:39,222 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 4.666666666666667) internal successors, (14), 3 states have internal predecessors, (14), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-02-06 06:37:39,222 INFO L276 IsEmpty]: Start isEmpty. Operand 791 states and 1184 transitions. [2025-02-06 06:37:39,223 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2025-02-06 06:37:39,226 INFO L210 NwaCegarLoop]: Found error trace [2025-02-06 06:37:39,226 INFO L218 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-02-06 06:37:39,227 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2025-02-06 06:37:39,227 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2025-02-06 06:37:39,227 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-06 06:37:39,227 INFO L85 PathProgramCache]: Analyzing trace with hash 1098976791, now seen corresponding path program 1 times [2025-02-06 06:37:39,227 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-06 06:37:39,227 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1636051632] [2025-02-06 06:37:39,227 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-06 06:37:39,227 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-06 06:37:39,251 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 26 statements into 1 equivalence classes. [2025-02-06 06:37:39,269 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 26 of 26 statements. [2025-02-06 06:37:39,269 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-06 06:37:39,269 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-06 06:37:39,350 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-02-06 06:37:39,350 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-06 06:37:39,350 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1636051632] [2025-02-06 06:37:39,351 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1636051632] provided 1 perfect and 0 imperfect interpolant sequences [2025-02-06 06:37:39,351 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-02-06 06:37:39,351 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2025-02-06 06:37:39,351 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [121723619] [2025-02-06 06:37:39,351 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-02-06 06:37:39,352 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2025-02-06 06:37:39,352 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-06 06:37:39,352 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2025-02-06 06:37:39,352 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-02-06 06:37:39,353 INFO L87 Difference]: Start difference. First operand 791 states and 1184 transitions. Second operand has 3 states, 3 states have (on average 8.333333333333334) internal successors, (25), 2 states have internal predecessors, (25), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-02-06 06:37:39,461 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-02-06 06:37:39,461 INFO L93 Difference]: Finished difference Result 1579 states and 2365 transitions. [2025-02-06 06:37:39,461 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-02-06 06:37:39,461 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 8.333333333333334) internal successors, (25), 2 states have internal predecessors, (25), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 26 [2025-02-06 06:37:39,461 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-02-06 06:37:39,465 INFO L225 Difference]: With dead ends: 1579 [2025-02-06 06:37:39,465 INFO L226 Difference]: Without dead ends: 791 [2025-02-06 06:37:39,467 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-02-06 06:37:39,467 INFO L435 NwaCegarLoop]: 1044 mSDtfsCounter, 1098 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 64 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1098 SdHoareTripleChecker+Valid, 1044 SdHoareTripleChecker+Invalid, 65 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 64 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2025-02-06 06:37:39,467 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [1098 Valid, 1044 Invalid, 65 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 64 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2025-02-06 06:37:39,468 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 791 states. [2025-02-06 06:37:39,495 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 791 to 791. [2025-02-06 06:37:39,496 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 791 states, 625 states have (on average 1.4512) internal successors, (907), 632 states have internal predecessors, (907), 138 states have call successors, (138), 28 states have call predecessors, (138), 27 states have return successors, (137), 137 states have call predecessors, (137), 137 states have call successors, (137) [2025-02-06 06:37:39,500 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 791 states to 791 states and 1182 transitions. [2025-02-06 06:37:39,500 INFO L78 Accepts]: Start accepts. Automaton has 791 states and 1182 transitions. Word has length 26 [2025-02-06 06:37:39,500 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-02-06 06:37:39,500 INFO L471 AbstractCegarLoop]: Abstraction has 791 states and 1182 transitions. [2025-02-06 06:37:39,500 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 8.333333333333334) internal successors, (25), 2 states have internal predecessors, (25), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-02-06 06:37:39,501 INFO L276 IsEmpty]: Start isEmpty. Operand 791 states and 1182 transitions. [2025-02-06 06:37:39,501 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2025-02-06 06:37:39,501 INFO L210 NwaCegarLoop]: Found error trace [2025-02-06 06:37:39,501 INFO L218 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-02-06 06:37:39,501 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2025-02-06 06:37:39,502 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2025-02-06 06:37:39,502 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-06 06:37:39,502 INFO L85 PathProgramCache]: Analyzing trace with hash 588442614, now seen corresponding path program 1 times [2025-02-06 06:37:39,502 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-06 06:37:39,502 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [157430639] [2025-02-06 06:37:39,502 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-06 06:37:39,502 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-06 06:37:39,521 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 26 statements into 1 equivalence classes. [2025-02-06 06:37:39,537 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 26 of 26 statements. [2025-02-06 06:37:39,537 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-06 06:37:39,537 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-06 06:37:39,581 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-02-06 06:37:39,582 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-06 06:37:39,582 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [157430639] [2025-02-06 06:37:39,582 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [157430639] provided 1 perfect and 0 imperfect interpolant sequences [2025-02-06 06:37:39,582 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-02-06 06:37:39,582 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2025-02-06 06:37:39,582 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [73388103] [2025-02-06 06:37:39,582 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-02-06 06:37:39,582 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2025-02-06 06:37:39,582 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-06 06:37:39,583 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2025-02-06 06:37:39,583 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-02-06 06:37:39,583 INFO L87 Difference]: Start difference. First operand 791 states and 1182 transitions. Second operand has 3 states, 3 states have (on average 8.333333333333334) internal successors, (25), 2 states have internal predecessors, (25), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-02-06 06:37:39,675 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-02-06 06:37:39,675 INFO L93 Difference]: Finished difference Result 1579 states and 2361 transitions. [2025-02-06 06:37:39,675 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-02-06 06:37:39,676 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 8.333333333333334) internal successors, (25), 2 states have internal predecessors, (25), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 26 [2025-02-06 06:37:39,676 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-02-06 06:37:39,679 INFO L225 Difference]: With dead ends: 1579 [2025-02-06 06:37:39,679 INFO L226 Difference]: Without dead ends: 791 [2025-02-06 06:37:39,681 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-02-06 06:37:39,681 INFO L435 NwaCegarLoop]: 1045 mSDtfsCounter, 1091 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 62 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1091 SdHoareTripleChecker+Valid, 1045 SdHoareTripleChecker+Invalid, 62 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 62 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2025-02-06 06:37:39,682 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [1091 Valid, 1045 Invalid, 62 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 62 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2025-02-06 06:37:39,682 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 791 states. [2025-02-06 06:37:39,709 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 791 to 791. [2025-02-06 06:37:39,710 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 791 states, 625 states have (on average 1.4496) internal successors, (906), 632 states have internal predecessors, (906), 138 states have call successors, (138), 28 states have call predecessors, (138), 27 states have return successors, (137), 137 states have call predecessors, (137), 137 states have call successors, (137) [2025-02-06 06:37:39,713 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 791 states to 791 states and 1181 transitions. [2025-02-06 06:37:39,716 INFO L78 Accepts]: Start accepts. Automaton has 791 states and 1181 transitions. Word has length 26 [2025-02-06 06:37:39,716 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-02-06 06:37:39,716 INFO L471 AbstractCegarLoop]: Abstraction has 791 states and 1181 transitions. [2025-02-06 06:37:39,716 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 8.333333333333334) internal successors, (25), 2 states have internal predecessors, (25), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-02-06 06:37:39,716 INFO L276 IsEmpty]: Start isEmpty. Operand 791 states and 1181 transitions. [2025-02-06 06:37:39,717 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 43 [2025-02-06 06:37:39,717 INFO L210 NwaCegarLoop]: Found error trace [2025-02-06 06:37:39,717 INFO L218 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-02-06 06:37:39,718 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2025-02-06 06:37:39,718 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2025-02-06 06:37:39,718 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-06 06:37:39,718 INFO L85 PathProgramCache]: Analyzing trace with hash -1287755822, now seen corresponding path program 1 times [2025-02-06 06:37:39,718 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-06 06:37:39,718 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [938012010] [2025-02-06 06:37:39,718 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-06 06:37:39,718 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-06 06:37:39,738 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 42 statements into 1 equivalence classes. [2025-02-06 06:37:39,750 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 42 of 42 statements. [2025-02-06 06:37:39,750 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-06 06:37:39,750 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-06 06:37:39,849 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-02-06 06:37:39,849 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-06 06:37:39,849 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [938012010] [2025-02-06 06:37:39,849 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [938012010] provided 1 perfect and 0 imperfect interpolant sequences [2025-02-06 06:37:39,849 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-02-06 06:37:39,849 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2025-02-06 06:37:39,850 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [464877329] [2025-02-06 06:37:39,850 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-02-06 06:37:39,850 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2025-02-06 06:37:39,850 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-06 06:37:39,851 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2025-02-06 06:37:39,851 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2025-02-06 06:37:39,851 INFO L87 Difference]: Start difference. First operand 791 states and 1181 transitions. Second operand has 4 states, 4 states have (on average 9.25) internal successors, (37), 4 states have internal predecessors, (37), 2 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2025-02-06 06:37:40,009 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-02-06 06:37:40,010 INFO L93 Difference]: Finished difference Result 1587 states and 2368 transitions. [2025-02-06 06:37:40,010 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-02-06 06:37:40,010 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 9.25) internal successors, (37), 4 states have internal predecessors, (37), 2 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) Word has length 42 [2025-02-06 06:37:40,010 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-02-06 06:37:40,014 INFO L225 Difference]: With dead ends: 1587 [2025-02-06 06:37:40,014 INFO L226 Difference]: Without dead ends: 799 [2025-02-06 06:37:40,016 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2025-02-06 06:37:40,016 INFO L435 NwaCegarLoop]: 1043 mSDtfsCounter, 6 mSDsluCounter, 2080 mSDsCounter, 0 mSdLazyCounter, 197 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 6 SdHoareTripleChecker+Valid, 3123 SdHoareTripleChecker+Invalid, 198 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 197 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2025-02-06 06:37:40,017 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [6 Valid, 3123 Invalid, 198 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 197 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2025-02-06 06:37:40,018 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 799 states. [2025-02-06 06:37:40,049 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 799 to 794. [2025-02-06 06:37:40,050 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 794 states, 628 states have (on average 1.447452229299363) internal successors, (909), 635 states have internal predecessors, (909), 138 states have call successors, (138), 28 states have call predecessors, (138), 27 states have return successors, (137), 137 states have call predecessors, (137), 137 states have call successors, (137) [2025-02-06 06:37:40,054 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 794 states to 794 states and 1184 transitions. [2025-02-06 06:37:40,055 INFO L78 Accepts]: Start accepts. Automaton has 794 states and 1184 transitions. Word has length 42 [2025-02-06 06:37:40,055 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-02-06 06:37:40,055 INFO L471 AbstractCegarLoop]: Abstraction has 794 states and 1184 transitions. [2025-02-06 06:37:40,055 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 9.25) internal successors, (37), 4 states have internal predecessors, (37), 2 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2025-02-06 06:37:40,056 INFO L276 IsEmpty]: Start isEmpty. Operand 794 states and 1184 transitions. [2025-02-06 06:37:40,057 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 43 [2025-02-06 06:37:40,059 INFO L210 NwaCegarLoop]: Found error trace [2025-02-06 06:37:40,059 INFO L218 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-02-06 06:37:40,060 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2025-02-06 06:37:40,060 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2025-02-06 06:37:40,060 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-06 06:37:40,060 INFO L85 PathProgramCache]: Analyzing trace with hash -1259126671, now seen corresponding path program 1 times [2025-02-06 06:37:40,060 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-06 06:37:40,060 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1995874996] [2025-02-06 06:37:40,060 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-06 06:37:40,060 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-06 06:37:40,079 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 42 statements into 1 equivalence classes. [2025-02-06 06:37:40,088 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 42 of 42 statements. [2025-02-06 06:37:40,088 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-06 06:37:40,088 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-06 06:37:40,138 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-02-06 06:37:40,138 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-06 06:37:40,138 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1995874996] [2025-02-06 06:37:40,138 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1995874996] provided 1 perfect and 0 imperfect interpolant sequences [2025-02-06 06:37:40,138 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-02-06 06:37:40,138 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2025-02-06 06:37:40,139 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [314242930] [2025-02-06 06:37:40,139 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-02-06 06:37:40,139 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2025-02-06 06:37:40,139 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-06 06:37:40,139 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2025-02-06 06:37:40,139 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-02-06 06:37:40,140 INFO L87 Difference]: Start difference. First operand 794 states and 1184 transitions. Second operand has 3 states, 3 states have (on average 12.333333333333334) internal successors, (37), 3 states have internal predecessors, (37), 3 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2025-02-06 06:37:40,223 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-02-06 06:37:40,224 INFO L93 Difference]: Finished difference Result 794 states and 1184 transitions. [2025-02-06 06:37:40,224 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-02-06 06:37:40,224 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 12.333333333333334) internal successors, (37), 3 states have internal predecessors, (37), 3 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) Word has length 42 [2025-02-06 06:37:40,224 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-02-06 06:37:40,225 INFO L225 Difference]: With dead ends: 794 [2025-02-06 06:37:40,225 INFO L226 Difference]: Without dead ends: 0 [2025-02-06 06:37:40,226 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-02-06 06:37:40,227 INFO L435 NwaCegarLoop]: 1043 mSDtfsCounter, 1078 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 61 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1078 SdHoareTripleChecker+Valid, 1043 SdHoareTripleChecker+Invalid, 61 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 61 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2025-02-06 06:37:40,227 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [1078 Valid, 1043 Invalid, 61 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 61 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2025-02-06 06:37:40,227 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2025-02-06 06:37:40,227 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2025-02-06 06:37:40,228 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) [2025-02-06 06:37:40,228 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2025-02-06 06:37:40,228 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 42 [2025-02-06 06:37:40,228 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-02-06 06:37:40,228 INFO L471 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2025-02-06 06:37:40,228 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 12.333333333333334) internal successors, (37), 3 states have internal predecessors, (37), 3 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2025-02-06 06:37:40,228 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2025-02-06 06:37:40,229 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2025-02-06 06:37:40,230 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2025-02-06 06:37:40,231 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2025-02-06 06:37:40,232 INFO L422 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1] [2025-02-06 06:37:40,233 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2025-02-06 06:37:41,636 INFO L170 ceAbstractionStarter]: Computing trace abstraction results [2025-02-06 06:37:41,649 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 06.02 06:37:41 BoogieIcfgContainer [2025-02-06 06:37:41,649 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2025-02-06 06:37:41,650 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2025-02-06 06:37:41,650 INFO L270 PluginConnector]: Initializing Witness Printer... [2025-02-06 06:37:41,650 INFO L274 PluginConnector]: Witness Printer initialized [2025-02-06 06:37:41,650 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 06.02 06:37:38" (3/4) ... [2025-02-06 06:37:41,652 INFO L146 WitnessPrinter]: Generating witness for correct program [2025-02-06 06:37:41,654 INFO L385 IcfgBacktranslator]: Ignoring RootEdge to procedure netdev_priv [2025-02-06 06:37:41,655 INFO L385 IcfgBacktranslator]: Ignoring RootEdge to procedure outb [2025-02-06 06:37:41,655 INFO L385 IcfgBacktranslator]: Ignoring RootEdge to procedure check_mirror [2025-02-06 06:37:41,655 INFO L385 IcfgBacktranslator]: Ignoring RootEdge to procedure iounmap [2025-02-06 06:37:41,655 INFO L385 IcfgBacktranslator]: Ignoring RootEdge to procedure __release_region [2025-02-06 06:37:41,655 INFO L385 IcfgBacktranslator]: Ignoring RootEdge to procedure kfree [2025-02-06 06:37:41,656 INFO L385 IcfgBacktranslator]: Ignoring RootEdge to procedure free_irq [2025-02-06 06:37:41,656 INFO L385 IcfgBacktranslator]: Ignoring RootEdge to procedure printk [2025-02-06 06:37:41,656 INFO L385 IcfgBacktranslator]: Ignoring RootEdge to procedure assume_abort_if_not [2025-02-06 06:37:41,656 INFO L385 IcfgBacktranslator]: Ignoring RootEdge to procedure writeb [2025-02-06 06:37:41,656 INFO L385 IcfgBacktranslator]: Ignoring RootEdge to procedure __const_udelay [2025-02-06 06:37:41,656 INFO L385 IcfgBacktranslator]: Ignoring RootEdge to procedure ioremap [2025-02-06 06:37:41,656 INFO L385 IcfgBacktranslator]: Ignoring RootEdge to procedure __request_region [2025-02-06 06:37:41,656 INFO L385 IcfgBacktranslator]: Ignoring RootEdge to procedure ldv_malloc [2025-02-06 06:37:41,657 INFO L385 IcfgBacktranslator]: Ignoring RootEdge to procedure ldv_error [2025-02-06 06:37:41,659 INFO L385 IcfgBacktranslator]: Ignoring RootEdge to procedure ldv_irq_1 [2025-02-06 06:37:41,659 INFO L385 IcfgBacktranslator]: Ignoring RootEdge to procedure disable_suitable_irq_1 [2025-02-06 06:37:41,659 INFO L385 IcfgBacktranslator]: Ignoring RootEdge to procedure kzalloc [2025-02-06 06:37:41,659 INFO L385 IcfgBacktranslator]: Ignoring RootEdge to procedure ldv_stop [2025-02-06 06:37:41,659 INFO L385 IcfgBacktranslator]: Ignoring RootEdge to procedure readb [2025-02-06 06:37:41,660 INFO L385 IcfgBacktranslator]: Ignoring RootEdge to procedure inb [2025-02-06 06:37:41,660 INFO L385 IcfgBacktranslator]: Ignoring RootEdge to procedure free_netdev [2025-02-06 06:37:41,684 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 188 nodes and edges [2025-02-06 06:37:41,686 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 85 nodes and edges [2025-02-06 06:37:41,688 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 37 nodes and edges [2025-02-06 06:37:41,690 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 15 nodes and edges [2025-02-06 06:37:41,691 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 7 nodes and edges [2025-02-06 06:37:41,693 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 4 nodes and edges [2025-02-06 06:37:41,695 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2025-02-06 06:37:41,696 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2025-02-06 06:37:41,814 INFO L149 WitnessManager]: Wrote witness to /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/witness.graphml [2025-02-06 06:37:41,814 INFO L149 WitnessManager]: Wrote witness to /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/witness.yml [2025-02-06 06:37:41,815 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2025-02-06 06:37:41,815 INFO L158 Benchmark]: Toolchain (without parser) took 6398.85ms. Allocated memory was 142.6MB in the beginning and 302.0MB in the end (delta: 159.4MB). Free memory was 105.4MB in the beginning and 108.0MB in the end (delta: -2.6MB). Peak memory consumption was 153.9MB. Max. memory is 16.1GB. [2025-02-06 06:37:41,815 INFO L158 Benchmark]: CDTParser took 0.28ms. Allocated memory is still 201.3MB. Free memory is still 123.9MB. There was no memory consumed. Max. memory is 16.1GB. [2025-02-06 06:37:41,815 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1038.73ms. Allocated memory is still 142.6MB. Free memory was 105.4MB in the beginning and 63.5MB in the end (delta: 41.9MB). Peak memory consumption was 83.9MB. Max. memory is 16.1GB. [2025-02-06 06:37:41,816 INFO L158 Benchmark]: Boogie Procedure Inliner took 98.18ms. Allocated memory is still 142.6MB. Free memory was 63.5MB in the beginning and 52.3MB in the end (delta: 11.2MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2025-02-06 06:37:41,816 INFO L158 Benchmark]: Boogie Preprocessor took 188.66ms. Allocated memory is still 142.6MB. Free memory was 52.3MB in the beginning and 83.2MB in the end (delta: -30.9MB). Peak memory consumption was 19.8MB. Max. memory is 16.1GB. [2025-02-06 06:37:41,816 INFO L158 Benchmark]: IcfgBuilder took 1629.46ms. Allocated memory was 142.6MB in the beginning and 302.0MB in the end (delta: 159.4MB). Free memory was 83.2MB in the beginning and 150.1MB in the end (delta: -67.0MB). Peak memory consumption was 100.6MB. Max. memory is 16.1GB. [2025-02-06 06:37:41,816 INFO L158 Benchmark]: TraceAbstraction took 3272.68ms. Allocated memory is still 302.0MB. Free memory was 150.1MB in the beginning and 134.8MB in the end (delta: 15.3MB). Peak memory consumption was 78.1MB. Max. memory is 16.1GB. [2025-02-06 06:37:41,816 INFO L158 Benchmark]: Witness Printer took 164.76ms. Allocated memory is still 302.0MB. Free memory was 134.8MB in the beginning and 108.0MB in the end (delta: 26.8MB). Peak memory consumption was 25.2MB. Max. memory is 16.1GB. [2025-02-06 06:37:41,817 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.28ms. Allocated memory is still 201.3MB. Free memory is still 123.9MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1038.73ms. Allocated memory is still 142.6MB. Free memory was 105.4MB in the beginning and 63.5MB in the end (delta: 41.9MB). Peak memory consumption was 83.9MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 98.18ms. Allocated memory is still 142.6MB. Free memory was 63.5MB in the beginning and 52.3MB in the end (delta: 11.2MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Preprocessor took 188.66ms. Allocated memory is still 142.6MB. Free memory was 52.3MB in the beginning and 83.2MB in the end (delta: -30.9MB). Peak memory consumption was 19.8MB. Max. memory is 16.1GB. * IcfgBuilder took 1629.46ms. Allocated memory was 142.6MB in the beginning and 302.0MB in the end (delta: 159.4MB). Free memory was 83.2MB in the beginning and 150.1MB in the end (delta: -67.0MB). Peak memory consumption was 100.6MB. Max. memory is 16.1GB. * TraceAbstraction took 3272.68ms. Allocated memory is still 302.0MB. Free memory was 150.1MB in the beginning and 134.8MB in the end (delta: 15.3MB). Peak memory consumption was 78.1MB. Max. memory is 16.1GB. * Witness Printer took 164.76ms. Allocated memory is still 302.0MB. Free memory was 134.8MB in the beginning and 108.0MB in the end (delta: 26.8MB). Peak memory consumption was 25.2MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - GenericResultAtLocation [Line: 5420]: Unsoundness Warning Ignoring inline assembler instruction C: __asm__ volatile ("movb %1,%0": "=q" (ret): "m" (*((unsigned char volatile *)addr)): "memory"); [5420] - GenericResultAtLocation [Line: 5427]: Unsoundness Warning Ignoring inline assembler instruction C: __asm__ volatile ("movb %0,%1": : "q" (val), "m" (*((unsigned char volatile *)addr)): "memory"); [5427] - GenericResultAtLocation [Line: 5458]: Unsoundness Warning Ignoring inline assembler instruction C: __asm__ volatile ("outb %b0, %w1": : "a" (value), "Nd" (port)); [5458] - GenericResultAtLocation [Line: 5466]: Unsoundness Warning Ignoring inline assembler instruction C: __asm__ volatile ("inb %w1, %b0": "=a" (value): "Nd" (port)); [5466] * 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: 6836]: 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 23 procedures, 742 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 1.8s, OverallIterations: 5, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.7s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 4352 SdHoareTripleChecker+Valid, 0.4s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 4352 mSDsluCounter, 7451 SdHoareTripleChecker+Invalid, 0.3s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 2193 mSDsCounter, 5 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 458 IncrementalHoareTripleChecker+Invalid, 463 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 5 mSolverCounterUnsat, 5258 mSDtfsCounter, 458 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 14 GetRequests, 8 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=794occurred in iteration=4, InterpolantAutomatonStates: 16, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.2s AutomataMinimizationTime, 5 MinimizatonAttempts, 5 StatesRemovedByMinimization, 1 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.5s InterpolantComputationTime, 151 NumberOfCodeBlocks, 151 NumberOfCodeBlocksAsserted, 5 NumberOfCheckSat, 146 ConstructedInterpolants, 0 QuantifiedInterpolants, 270 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 5 InterpolantComputations, 5 PerfectInterpolantSequences, 0/0 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: 5704]: Location Invariant Derived location invariant: ((((ldv_module_refcounter == 1) && (com90xx_skip_probe == 0)) && (ldv_state_variable_0 == 1)) && (irq == 0)) RESULT: Ultimate proved your program to be correct! [2025-02-06 06:37:41,831 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