./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 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-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-?-551b009-m [2025-01-09 18:43:28,946 INFO L188 SettingsManager]: Resetting all preferences to default values... [2025-01-09 18:43:29,006 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Default.epf [2025-01-09 18:43:29,009 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2025-01-09 18:43:29,009 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2025-01-09 18:43:29,032 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2025-01-09 18:43:29,034 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2025-01-09 18:43:29,034 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2025-01-09 18:43:29,034 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2025-01-09 18:43:29,034 INFO L153 SettingsManager]: * Use memory slicer=true [2025-01-09 18:43:29,035 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2025-01-09 18:43:29,035 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2025-01-09 18:43:29,035 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2025-01-09 18:43:29,036 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2025-01-09 18:43:29,036 INFO L153 SettingsManager]: * Use SBE=true [2025-01-09 18:43:29,036 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2025-01-09 18:43:29,036 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2025-01-09 18:43:29,036 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2025-01-09 18:43:29,036 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2025-01-09 18:43:29,037 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2025-01-09 18:43:29,037 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2025-01-09 18:43:29,037 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2025-01-09 18:43:29,037 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2025-01-09 18:43:29,037 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2025-01-09 18:43:29,037 INFO L153 SettingsManager]: * Use constant arrays=true [2025-01-09 18:43:29,037 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2025-01-09 18:43:29,037 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2025-01-09 18:43:29,037 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2025-01-09 18:43:29,037 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2025-01-09 18:43:29,037 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2025-01-09 18:43:29,038 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2025-01-09 18:43:29,038 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2025-01-09 18:43:29,038 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2025-01-09 18:43:29,038 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2025-01-09 18:43:29,038 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2025-01-09 18:43:29,038 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2025-01-09 18:43:29,038 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2025-01-09 18:43:29,039 INFO L153 SettingsManager]: * Compute procedure contracts=false [2025-01-09 18:43:29,039 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2025-01-09 18:43:29,039 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2025-01-09 18:43:29,039 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2025-01-09 18:43:29,039 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2025-01-09 18:43:29,039 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2025-01-09 18:43:29,039 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2025-01-09 18:43:29,039 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2025-01-09 18:43:29,039 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 [2025-01-09 18:43:29,300 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2025-01-09 18:43:29,307 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2025-01-09 18:43:29,309 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2025-01-09 18:43:29,310 INFO L270 PluginConnector]: Initializing CDTParser... [2025-01-09 18:43:29,310 INFO L274 PluginConnector]: CDTParser initialized [2025-01-09 18:43:29,311 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-08_1a-drivers--net--arcnet--com90xx.ko-entry_point.cil.out.i [2025-01-09 18:43:30,467 INFO L533 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/591639d05/86b839834098431faed37ea9eb479021/FLAGb93fbfacc [2025-01-09 18:43:30,880 INFO L384 CDTParser]: Found 1 translation units. [2025-01-09 18:43:30,880 INFO L180 CDTParser]: Scanning /storage/repos/ultimate-jdk21/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-08_1a-drivers--net--arcnet--com90xx.ko-entry_point.cil.out.i [2025-01-09 18:43:30,919 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/591639d05/86b839834098431faed37ea9eb479021/FLAGb93fbfacc [2025-01-09 18:43:31,025 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/591639d05/86b839834098431faed37ea9eb479021 [2025-01-09 18:43:31,029 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2025-01-09 18:43:31,030 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2025-01-09 18:43:31,031 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2025-01-09 18:43:31,031 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2025-01-09 18:43:31,034 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2025-01-09 18:43:31,035 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.01 06:43:31" (1/1) ... [2025-01-09 18:43:31,035 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@387c50b4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 06:43:31, skipping insertion in model container [2025-01-09 18:43:31,036 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.01 06:43:31" (1/1) ... [2025-01-09 18:43:31,103 INFO L175 MainTranslator]: Built tables and reachable declarations [2025-01-09 18:43:31,832 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] [2025-01-09 18:43:31,856 INFO L210 PostProcessor]: Analyzing one entry point: main [2025-01-09 18:43:31,870 INFO L200 MainTranslator]: Completed pre-run [2025-01-09 18:43:31,998 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("movb %1,%0": "=q" (ret): "m" (*((unsigned char volatile *)addr)): "memory"); [5420] [2025-01-09 18:43:32,000 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("movb %0,%1": : "q" (val), "m" (*((unsigned char volatile *)addr)): "memory"); [5427] [2025-01-09 18:43:32,001 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("outb %b0, %w1": : "a" (value), "Nd" (port)); [5458] [2025-01-09 18:43:32,001 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("inb %w1, %b0": "=a" (value): "Nd" (port)); [5466] [2025-01-09 18:43:32,081 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] [2025-01-09 18:43:32,085 INFO L210 PostProcessor]: Analyzing one entry point: main [2025-01-09 18:43:32,103 INFO L204 MainTranslator]: Completed translation [2025-01-09 18:43:32,103 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 06:43:32 WrapperNode [2025-01-09 18:43:32,103 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2025-01-09 18:43:32,104 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2025-01-09 18:43:32,104 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2025-01-09 18:43:32,104 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2025-01-09 18:43:32,109 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 06:43:32" (1/1) ... [2025-01-09 18:43:32,145 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 06:43:32" (1/1) ... [2025-01-09 18:43:32,205 INFO L138 Inliner]: procedures = 99, calls = 572, calls flagged for inlining = 31, calls inlined = 25, statements flattened = 2018 [2025-01-09 18:43:32,206 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2025-01-09 18:43:32,206 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2025-01-09 18:43:32,206 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2025-01-09 18:43:32,206 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2025-01-09 18:43:32,212 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 06:43:32" (1/1) ... [2025-01-09 18:43:32,212 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 06:43:32" (1/1) ... [2025-01-09 18:43:32,227 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 06:43:32" (1/1) ... [2025-01-09 18:43:32,315 INFO L175 MemorySlicer]: Split 281 memory accesses to 11 slices as follows [2, 2, 143, 2, 29, 2, 18, 10, 2, 69, 2]. 51 percent of accesses are in the largest equivalence class. The 188 initializations are split as follows [2, 2, 143, 2, 0, 2, 16, 9, 2, 8, 2]. The 31 writes are split as follows [0, 0, 0, 0, 10, 0, 1, 0, 0, 20, 0]. [2025-01-09 18:43:32,319 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 06:43:32" (1/1) ... [2025-01-09 18:43:32,320 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 06:43:32" (1/1) ... [2025-01-09 18:43:32,363 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 06:43:32" (1/1) ... [2025-01-09 18:43:32,365 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 06:43:32" (1/1) ... [2025-01-09 18:43:32,379 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 06:43:32" (1/1) ... [2025-01-09 18:43:32,393 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 06:43:32" (1/1) ... [2025-01-09 18:43:32,401 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 06:43:32" (1/1) ... [2025-01-09 18:43:32,413 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2025-01-09 18:43:32,416 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2025-01-09 18:43:32,416 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2025-01-09 18:43:32,416 INFO L274 PluginConnector]: RCFGBuilder initialized [2025-01-09 18:43:32,417 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 06:43:32" (1/1) ... [2025-01-09 18:43:32,421 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2025-01-09 18:43:32,428 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-01-09 18:43:32,438 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 18:43:32,443 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 18:43:32,458 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2025-01-09 18:43:32,458 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2025-01-09 18:43:32,458 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#0 [2025-01-09 18:43:32,459 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#1 [2025-01-09 18:43:32,459 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#2 [2025-01-09 18:43:32,459 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#3 [2025-01-09 18:43:32,459 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#4 [2025-01-09 18:43:32,459 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#5 [2025-01-09 18:43:32,459 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#6 [2025-01-09 18:43:32,459 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#7 [2025-01-09 18:43:32,459 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#8 [2025-01-09 18:43:32,460 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#9 [2025-01-09 18:43:32,460 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#10 [2025-01-09 18:43:32,460 INFO L130 BoogieDeclarations]: Found specification of procedure free_netdev [2025-01-09 18:43:32,460 INFO L138 BoogieDeclarations]: Found implementation of procedure free_netdev [2025-01-09 18:43:32,460 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2025-01-09 18:43:32,460 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2025-01-09 18:43:32,460 INFO L130 BoogieDeclarations]: Found specification of procedure check_mirror [2025-01-09 18:43:32,461 INFO L138 BoogieDeclarations]: Found implementation of procedure check_mirror [2025-01-09 18:43:32,461 INFO L130 BoogieDeclarations]: Found specification of procedure __release_region [2025-01-09 18:43:32,461 INFO L138 BoogieDeclarations]: Found implementation of procedure __release_region [2025-01-09 18:43:32,461 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2025-01-09 18:43:32,461 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree [2025-01-09 18:43:32,461 INFO L130 BoogieDeclarations]: Found specification of procedure free_irq [2025-01-09 18:43:32,461 INFO L138 BoogieDeclarations]: Found implementation of procedure free_irq [2025-01-09 18:43:32,461 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#0 [2025-01-09 18:43:32,461 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#1 [2025-01-09 18:43:32,461 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#2 [2025-01-09 18:43:32,462 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#3 [2025-01-09 18:43:32,462 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#4 [2025-01-09 18:43:32,462 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#5 [2025-01-09 18:43:32,462 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#6 [2025-01-09 18:43:32,462 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#7 [2025-01-09 18:43:32,462 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#8 [2025-01-09 18:43:32,462 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#9 [2025-01-09 18:43:32,462 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#10 [2025-01-09 18:43:32,463 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_error [2025-01-09 18:43:32,463 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_error [2025-01-09 18:43:32,463 INFO L130 BoogieDeclarations]: Found specification of procedure disable_suitable_irq_1 [2025-01-09 18:43:32,463 INFO L138 BoogieDeclarations]: Found implementation of procedure disable_suitable_irq_1 [2025-01-09 18:43:32,463 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2025-01-09 18:43:32,463 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2025-01-09 18:43:32,464 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2025-01-09 18:43:32,464 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2025-01-09 18:43:32,464 INFO L130 BoogieDeclarations]: Found specification of procedure __const_udelay [2025-01-09 18:43:32,464 INFO L138 BoogieDeclarations]: Found implementation of procedure __const_udelay [2025-01-09 18:43:32,464 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#0 [2025-01-09 18:43:32,464 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#1 [2025-01-09 18:43:32,464 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#2 [2025-01-09 18:43:32,464 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#3 [2025-01-09 18:43:32,464 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#4 [2025-01-09 18:43:32,465 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#5 [2025-01-09 18:43:32,465 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#6 [2025-01-09 18:43:32,465 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#7 [2025-01-09 18:43:32,465 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#8 [2025-01-09 18:43:32,465 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#9 [2025-01-09 18:43:32,466 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#10 [2025-01-09 18:43:32,466 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2025-01-09 18:43:32,466 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_irq_1 [2025-01-09 18:43:32,466 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_irq_1 [2025-01-09 18:43:32,466 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#0 [2025-01-09 18:43:32,466 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#1 [2025-01-09 18:43:32,466 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#2 [2025-01-09 18:43:32,466 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#3 [2025-01-09 18:43:32,466 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#4 [2025-01-09 18:43:32,466 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#5 [2025-01-09 18:43:32,466 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#6 [2025-01-09 18:43:32,466 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#7 [2025-01-09 18:43:32,466 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#8 [2025-01-09 18:43:32,466 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#9 [2025-01-09 18:43:32,466 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#10 [2025-01-09 18:43:32,467 INFO L130 BoogieDeclarations]: Found specification of procedure ioremap [2025-01-09 18:43:32,467 INFO L138 BoogieDeclarations]: Found implementation of procedure ioremap [2025-01-09 18:43:32,467 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2025-01-09 18:43:32,467 INFO L130 BoogieDeclarations]: Found specification of procedure iounmap [2025-01-09 18:43:32,467 INFO L138 BoogieDeclarations]: Found implementation of procedure iounmap [2025-01-09 18:43:32,467 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#0 [2025-01-09 18:43:32,467 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#1 [2025-01-09 18:43:32,467 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#2 [2025-01-09 18:43:32,467 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#3 [2025-01-09 18:43:32,467 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#4 [2025-01-09 18:43:32,467 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#5 [2025-01-09 18:43:32,467 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#6 [2025-01-09 18:43:32,467 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#7 [2025-01-09 18:43:32,467 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#8 [2025-01-09 18:43:32,467 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#9 [2025-01-09 18:43:32,467 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#10 [2025-01-09 18:43:32,468 INFO L130 BoogieDeclarations]: Found specification of procedure printk [2025-01-09 18:43:32,468 INFO L138 BoogieDeclarations]: Found implementation of procedure printk [2025-01-09 18:43:32,468 INFO L130 BoogieDeclarations]: Found specification of procedure kzalloc [2025-01-09 18:43:32,468 INFO L138 BoogieDeclarations]: Found implementation of procedure kzalloc [2025-01-09 18:43:32,468 INFO L130 BoogieDeclarations]: Found specification of procedure inb [2025-01-09 18:43:32,468 INFO L138 BoogieDeclarations]: Found implementation of procedure inb [2025-01-09 18:43:32,468 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_priv [2025-01-09 18:43:32,468 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_priv [2025-01-09 18:43:32,468 INFO L130 BoogieDeclarations]: Found specification of procedure outb [2025-01-09 18:43:32,468 INFO L138 BoogieDeclarations]: Found implementation of procedure outb [2025-01-09 18:43:32,468 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2025-01-09 18:43:32,468 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#1 [2025-01-09 18:43:32,468 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#2 [2025-01-09 18:43:32,468 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#3 [2025-01-09 18:43:32,468 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#4 [2025-01-09 18:43:32,469 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#5 [2025-01-09 18:43:32,469 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#6 [2025-01-09 18:43:32,469 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#7 [2025-01-09 18:43:32,469 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#8 [2025-01-09 18:43:32,469 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#9 [2025-01-09 18:43:32,469 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#10 [2025-01-09 18:43:32,469 INFO L130 BoogieDeclarations]: Found specification of procedure writeb [2025-01-09 18:43:32,469 INFO L138 BoogieDeclarations]: Found implementation of procedure writeb [2025-01-09 18:43:32,469 INFO L130 BoogieDeclarations]: Found specification of procedure __request_region [2025-01-09 18:43:32,469 INFO L138 BoogieDeclarations]: Found implementation of procedure __request_region [2025-01-09 18:43:32,469 INFO L130 BoogieDeclarations]: Found specification of procedure readb [2025-01-09 18:43:32,469 INFO L138 BoogieDeclarations]: Found implementation of procedure readb [2025-01-09 18:43:32,469 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2025-01-09 18:43:32,470 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2025-01-09 18:43:32,774 INFO L234 CfgBuilder]: Building ICFG [2025-01-09 18:43:32,781 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2025-01-09 18:43:32,833 INFO L727 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stopFINAL: assume true; [2025-01-09 18:43:33,942 INFO L? ?]: Removed 404 outVars from TransFormulas that were not future-live. [2025-01-09 18:43:33,943 INFO L283 CfgBuilder]: Performing block encoding [2025-01-09 18:43:33,966 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2025-01-09 18:43:33,969 INFO L312 CfgBuilder]: Removed 1 assume(true) statements. [2025-01-09 18:43:33,970 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.01 06:43:33 BoogieIcfgContainer [2025-01-09 18:43:33,970 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2025-01-09 18:43:33,971 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2025-01-09 18:43:33,971 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2025-01-09 18:43:33,976 INFO L274 PluginConnector]: TraceAbstraction initialized [2025-01-09 18:43:33,976 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 09.01 06:43:31" (1/3) ... [2025-01-09 18:43:33,976 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4648635b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 09.01 06:43:33, skipping insertion in model container [2025-01-09 18:43:33,976 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 06:43:32" (2/3) ... [2025-01-09 18:43:33,976 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4648635b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 09.01 06:43:33, skipping insertion in model container [2025-01-09 18:43:33,977 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.01 06:43:33" (3/3) ... [2025-01-09 18:43:33,977 INFO L128 eAbstractionObserver]: Analyzing ICFG linux-4.2-rc1.tar.xz-08_1a-drivers--net--arcnet--com90xx.ko-entry_point.cil.out.i [2025-01-09 18:43:33,986 INFO L216 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2025-01-09 18:43:33,987 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, 741 locations, 1 initial locations, 1 loop locations, and 1 error locations. [2025-01-09 18:43:34,065 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2025-01-09 18:43:34,077 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;@7f61f51e, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2025-01-09 18:43:34,077 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2025-01-09 18:43:34,081 INFO L276 IsEmpty]: Start isEmpty. Operand has 740 states, 579 states have (on average 1.4818652849740932) internal successors, (858), 592 states have internal predecessors, (858), 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) [2025-01-09 18:43:34,086 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2025-01-09 18:43:34,086 INFO L210 NwaCegarLoop]: Found error trace [2025-01-09 18:43:34,086 INFO L218 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-01-09 18:43:34,086 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2025-01-09 18:43:34,089 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-09 18:43:34,090 INFO L85 PathProgramCache]: Analyzing trace with hash -1111122508, now seen corresponding path program 1 times [2025-01-09 18:43:34,094 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-01-09 18:43:34,094 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1746303563] [2025-01-09 18:43:34,095 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-09 18:43:34,095 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-09 18:43:34,174 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 15 statements into 1 equivalence classes. [2025-01-09 18:43:34,230 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 15 of 15 statements. [2025-01-09 18:43:34,230 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-09 18:43:34,230 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-09 18:43:34,417 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-01-09 18:43:34,418 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-01-09 18:43:34,418 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1746303563] [2025-01-09 18:43:34,418 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1746303563] provided 1 perfect and 0 imperfect interpolant sequences [2025-01-09 18:43:34,418 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-01-09 18:43:34,418 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2025-01-09 18:43:34,419 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1995588442] [2025-01-09 18:43:34,419 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-01-09 18:43:34,422 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2025-01-09 18:43:34,424 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-01-09 18:43:34,446 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2025-01-09 18:43:34,450 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-01-09 18:43:34,453 INFO L87 Difference]: Start difference. First operand has 740 states, 579 states have (on average 1.4818652849740932) internal successors, (858), 592 states have internal predecessors, (858), 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) [2025-01-09 18:43:34,621 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-01-09 18:43:34,622 INFO L93 Difference]: Finished difference Result 1541 states and 2361 transitions. [2025-01-09 18:43:34,623 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-01-09 18:43:34,624 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 [2025-01-09 18:43:34,624 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-01-09 18:43:34,637 INFO L225 Difference]: With dead ends: 1541 [2025-01-09 18:43:34,638 INFO L226 Difference]: Without dead ends: 790 [2025-01-09 18:43:34,644 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 18:43:34,647 INFO L435 NwaCegarLoop]: 1143 mSDtfsCounter, 1078 mSDsluCounter, 113 mSDsCounter, 0 mSdLazyCounter, 13 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1078 SdHoareTripleChecker+Valid, 1256 SdHoareTripleChecker+Invalid, 16 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 13 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2025-01-09 18:43:34,647 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [1078 Valid, 1256 Invalid, 16 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 13 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2025-01-09 18:43:34,659 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 790 states. [2025-01-09 18:43:34,731 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 790 to 790. [2025-01-09 18:43:34,734 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 790 states, 624 states have (on average 1.4599358974358974) internal successors, (911), 631 states have internal predecessors, (911), 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) [2025-01-09 18:43:34,746 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 790 states to 790 states and 1186 transitions. [2025-01-09 18:43:34,750 INFO L78 Accepts]: Start accepts. Automaton has 790 states and 1186 transitions. Word has length 15 [2025-01-09 18:43:34,751 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-01-09 18:43:34,751 INFO L471 AbstractCegarLoop]: Abstraction has 790 states and 1186 transitions. [2025-01-09 18:43:34,751 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) [2025-01-09 18:43:34,752 INFO L276 IsEmpty]: Start isEmpty. Operand 790 states and 1186 transitions. [2025-01-09 18:43:34,753 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2025-01-09 18:43:34,753 INFO L210 NwaCegarLoop]: Found error trace [2025-01-09 18:43:34,753 INFO L218 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-01-09 18:43:34,754 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2025-01-09 18:43:34,754 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2025-01-09 18:43:34,754 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-09 18:43:34,754 INFO L85 PathProgramCache]: Analyzing trace with hash -1217828010, now seen corresponding path program 1 times [2025-01-09 18:43:34,754 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-01-09 18:43:34,755 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [120457246] [2025-01-09 18:43:34,755 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-09 18:43:34,755 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-09 18:43:34,819 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 25 statements into 1 equivalence classes. [2025-01-09 18:43:34,838 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 25 of 25 statements. [2025-01-09 18:43:34,838 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-09 18:43:34,839 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-09 18:43:34,956 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-01-09 18:43:34,956 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-01-09 18:43:34,956 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [120457246] [2025-01-09 18:43:34,956 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [120457246] provided 1 perfect and 0 imperfect interpolant sequences [2025-01-09 18:43:34,956 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-01-09 18:43:34,957 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2025-01-09 18:43:34,957 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1444336858] [2025-01-09 18:43:34,957 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-01-09 18:43:34,958 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2025-01-09 18:43:34,958 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-01-09 18:43:34,959 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2025-01-09 18:43:34,959 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-01-09 18:43:34,959 INFO L87 Difference]: Start difference. First operand 790 states and 1186 transitions. Second operand has 3 states, 3 states have (on average 8.0) internal successors, (24), 2 states have internal predecessors, (24), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-01-09 18:43:35,017 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-01-09 18:43:35,018 INFO L93 Difference]: Finished difference Result 1577 states and 2369 transitions. [2025-01-09 18:43:35,018 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-01-09 18:43:35,018 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 8.0) internal successors, (24), 2 states have internal predecessors, (24), 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 25 [2025-01-09 18:43:35,018 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-01-09 18:43:35,023 INFO L225 Difference]: With dead ends: 1577 [2025-01-09 18:43:35,023 INFO L226 Difference]: Without dead ends: 790 [2025-01-09 18:43:35,025 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-01-09 18:43:35,025 INFO L435 NwaCegarLoop]: 1106 mSDtfsCounter, 1099 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 3 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1099 SdHoareTripleChecker+Valid, 1106 SdHoareTripleChecker+Invalid, 4 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 3 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2025-01-09 18:43:35,026 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [1099 Valid, 1106 Invalid, 4 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 3 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2025-01-09 18:43:35,029 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 790 states. [2025-01-09 18:43:35,061 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 790 to 790. [2025-01-09 18:43:35,063 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 790 states, 624 states have (on average 1.4567307692307692) internal successors, (909), 631 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) [2025-01-09 18:43:35,067 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 790 states to 790 states and 1184 transitions. [2025-01-09 18:43:35,069 INFO L78 Accepts]: Start accepts. Automaton has 790 states and 1184 transitions. Word has length 25 [2025-01-09 18:43:35,069 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-01-09 18:43:35,069 INFO L471 AbstractCegarLoop]: Abstraction has 790 states and 1184 transitions. [2025-01-09 18:43:35,069 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 8.0) internal successors, (24), 2 states have internal predecessors, (24), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-01-09 18:43:35,069 INFO L276 IsEmpty]: Start isEmpty. Operand 790 states and 1184 transitions. [2025-01-09 18:43:35,070 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2025-01-09 18:43:35,071 INFO L210 NwaCegarLoop]: Found error trace [2025-01-09 18:43:35,071 INFO L218 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-01-09 18:43:35,071 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2025-01-09 18:43:35,071 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2025-01-09 18:43:35,071 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-09 18:43:35,071 INFO L85 PathProgramCache]: Analyzing trace with hash 1797275608, now seen corresponding path program 1 times [2025-01-09 18:43:35,071 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-01-09 18:43:35,072 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [278081668] [2025-01-09 18:43:35,072 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-09 18:43:35,072 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-09 18:43:35,091 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 25 statements into 1 equivalence classes. [2025-01-09 18:43:35,101 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 25 of 25 statements. [2025-01-09 18:43:35,101 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-09 18:43:35,101 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-09 18:43:35,163 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-01-09 18:43:35,163 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-01-09 18:43:35,164 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [278081668] [2025-01-09 18:43:35,164 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [278081668] provided 1 perfect and 0 imperfect interpolant sequences [2025-01-09 18:43:35,164 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-01-09 18:43:35,164 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2025-01-09 18:43:35,164 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1501068263] [2025-01-09 18:43:35,164 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-01-09 18:43:35,164 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2025-01-09 18:43:35,164 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-01-09 18:43:35,165 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2025-01-09 18:43:35,165 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-01-09 18:43:35,165 INFO L87 Difference]: Start difference. First operand 790 states and 1184 transitions. Second operand has 3 states, 3 states have (on average 8.0) internal successors, (24), 2 states have internal predecessors, (24), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-01-09 18:43:35,212 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-01-09 18:43:35,212 INFO L93 Difference]: Finished difference Result 1577 states and 2365 transitions. [2025-01-09 18:43:35,212 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-01-09 18:43:35,213 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 8.0) internal successors, (24), 2 states have internal predecessors, (24), 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 25 [2025-01-09 18:43:35,213 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-01-09 18:43:35,219 INFO L225 Difference]: With dead ends: 1577 [2025-01-09 18:43:35,219 INFO L226 Difference]: Without dead ends: 790 [2025-01-09 18:43:35,220 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-01-09 18:43:35,222 INFO L435 NwaCegarLoop]: 1107 mSDtfsCounter, 1093 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 1 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1093 SdHoareTripleChecker+Valid, 1107 SdHoareTripleChecker+Invalid, 1 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 1 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2025-01-09 18:43:35,222 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [1093 Valid, 1107 Invalid, 1 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 1 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2025-01-09 18:43:35,224 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 790 states. [2025-01-09 18:43:35,253 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 790 to 790. [2025-01-09 18:43:35,255 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 790 states, 624 states have (on average 1.455128205128205) internal successors, (908), 631 states have internal predecessors, (908), 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) [2025-01-09 18:43:35,259 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 790 states to 790 states and 1183 transitions. [2025-01-09 18:43:35,260 INFO L78 Accepts]: Start accepts. Automaton has 790 states and 1183 transitions. Word has length 25 [2025-01-09 18:43:35,260 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-01-09 18:43:35,260 INFO L471 AbstractCegarLoop]: Abstraction has 790 states and 1183 transitions. [2025-01-09 18:43:35,260 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 8.0) internal successors, (24), 2 states have internal predecessors, (24), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-01-09 18:43:35,261 INFO L276 IsEmpty]: Start isEmpty. Operand 790 states and 1183 transitions. [2025-01-09 18:43:35,263 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 42 [2025-01-09 18:43:35,263 INFO L210 NwaCegarLoop]: Found error trace [2025-01-09 18:43:35,263 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] [2025-01-09 18:43:35,263 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2025-01-09 18:43:35,264 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2025-01-09 18:43:35,264 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-09 18:43:35,264 INFO L85 PathProgramCache]: Analyzing trace with hash 1835169278, now seen corresponding path program 1 times [2025-01-09 18:43:35,264 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-01-09 18:43:35,264 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [684890364] [2025-01-09 18:43:35,264 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-09 18:43:35,264 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-09 18:43:35,288 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 41 statements into 1 equivalence classes. [2025-01-09 18:43:35,305 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 41 of 41 statements. [2025-01-09 18:43:35,305 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-09 18:43:35,305 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-09 18:43:35,363 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-01-09 18:43:35,363 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-01-09 18:43:35,364 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [684890364] [2025-01-09 18:43:35,364 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [684890364] provided 1 perfect and 0 imperfect interpolant sequences [2025-01-09 18:43:35,364 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-01-09 18:43:35,364 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2025-01-09 18:43:35,364 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1722166528] [2025-01-09 18:43:35,364 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-01-09 18:43:35,364 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2025-01-09 18:43:35,364 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-01-09 18:43:35,365 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2025-01-09 18:43:35,365 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-01-09 18:43:35,365 INFO L87 Difference]: Start difference. First operand 790 states and 1183 transitions. Second operand has 3 states, 3 states have (on average 12.0) internal successors, (36), 3 states have internal predecessors, (36), 2 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2025-01-09 18:43:35,413 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-01-09 18:43:35,413 INFO L93 Difference]: Finished difference Result 800 states and 1191 transitions. [2025-01-09 18:43:35,413 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-01-09 18:43:35,414 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 12.0) internal successors, (36), 3 states have internal predecessors, (36), 2 states have call successors, (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 41 [2025-01-09 18:43:35,414 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-01-09 18:43:35,418 INFO L225 Difference]: With dead ends: 800 [2025-01-09 18:43:35,418 INFO L226 Difference]: Without dead ends: 795 [2025-01-09 18:43:35,418 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 18:43:35,419 INFO L435 NwaCegarLoop]: 1111 mSDtfsCounter, 1103 mSDsluCounter, 4 mSDsCounter, 0 mSdLazyCounter, 4 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1103 SdHoareTripleChecker+Valid, 1115 SdHoareTripleChecker+Invalid, 6 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 4 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2025-01-09 18:43:35,420 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [1103 Valid, 1115 Invalid, 6 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 4 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2025-01-09 18:43:35,421 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 795 states. [2025-01-09 18:43:35,474 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 795 to 790. [2025-01-09 18:43:35,476 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 790 states, 624 states have (on average 1.453525641025641) internal successors, (907), 631 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) [2025-01-09 18:43:35,479 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 790 states to 790 states and 1182 transitions. [2025-01-09 18:43:35,479 INFO L78 Accepts]: Start accepts. Automaton has 790 states and 1182 transitions. Word has length 41 [2025-01-09 18:43:35,480 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-01-09 18:43:35,480 INFO L471 AbstractCegarLoop]: Abstraction has 790 states and 1182 transitions. [2025-01-09 18:43:35,480 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 12.0) internal successors, (36), 3 states have internal predecessors, (36), 2 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2025-01-09 18:43:35,480 INFO L276 IsEmpty]: Start isEmpty. Operand 790 states and 1182 transitions. [2025-01-09 18:43:35,482 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 42 [2025-01-09 18:43:35,483 INFO L210 NwaCegarLoop]: Found error trace [2025-01-09 18:43:35,483 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] [2025-01-09 18:43:35,483 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2025-01-09 18:43:35,483 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2025-01-09 18:43:35,484 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-09 18:43:35,484 INFO L85 PathProgramCache]: Analyzing trace with hash 1892427580, now seen corresponding path program 1 times [2025-01-09 18:43:35,484 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-01-09 18:43:35,484 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1316892853] [2025-01-09 18:43:35,484 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-09 18:43:35,484 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-09 18:43:35,502 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 41 statements into 1 equivalence classes. [2025-01-09 18:43:35,511 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 41 of 41 statements. [2025-01-09 18:43:35,512 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-09 18:43:35,512 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-09 18:43:35,577 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-01-09 18:43:35,577 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-01-09 18:43:35,577 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1316892853] [2025-01-09 18:43:35,577 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1316892853] provided 1 perfect and 0 imperfect interpolant sequences [2025-01-09 18:43:35,577 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-01-09 18:43:35,577 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2025-01-09 18:43:35,577 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2064712648] [2025-01-09 18:43:35,577 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-01-09 18:43:35,577 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2025-01-09 18:43:35,577 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-01-09 18:43:35,578 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2025-01-09 18:43:35,578 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-01-09 18:43:35,578 INFO L87 Difference]: Start difference. First operand 790 states and 1182 transitions. Second operand has 3 states, 3 states have (on average 12.0) internal successors, (36), 3 states have internal predecessors, (36), 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) [2025-01-09 18:43:35,609 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-01-09 18:43:35,610 INFO L93 Difference]: Finished difference Result 790 states and 1182 transitions. [2025-01-09 18:43:35,610 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-01-09 18:43:35,610 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 12.0) internal successors, (36), 3 states have internal predecessors, (36), 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 41 [2025-01-09 18:43:35,610 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-01-09 18:43:35,612 INFO L225 Difference]: With dead ends: 790 [2025-01-09 18:43:35,612 INFO L226 Difference]: Without dead ends: 0 [2025-01-09 18:43:35,613 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 18:43:35,614 INFO L435 NwaCegarLoop]: 1105 mSDtfsCounter, 1080 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 0 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1080 SdHoareTripleChecker+Valid, 1105 SdHoareTripleChecker+Invalid, 0 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 0 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2025-01-09 18:43:35,614 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [1080 Valid, 1105 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2025-01-09 18:43:35,614 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2025-01-09 18:43:35,614 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2025-01-09 18:43:35,615 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 18:43:35,615 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2025-01-09 18:43:35,615 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 41 [2025-01-09 18:43:35,616 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-01-09 18:43:35,616 INFO L471 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2025-01-09 18:43:35,616 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 12.0) internal successors, (36), 3 states have internal predecessors, (36), 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) [2025-01-09 18:43:35,616 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2025-01-09 18:43:35,616 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2025-01-09 18:43:35,618 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2025-01-09 18:43:35,618 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2025-01-09 18:43:35,620 INFO L422 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1] [2025-01-09 18:43:35,621 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2025-01-09 18:43:37,295 INFO L170 ceAbstractionStarter]: Computing trace abstraction results [2025-01-09 18:43:37,305 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 09.01 06:43:37 BoogieIcfgContainer [2025-01-09 18:43:37,305 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2025-01-09 18:43:37,306 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2025-01-09 18:43:37,306 INFO L270 PluginConnector]: Initializing Witness Printer... [2025-01-09 18:43:37,306 INFO L274 PluginConnector]: Witness Printer initialized [2025-01-09 18:43:37,306 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.01 06:43:33" (3/4) ... [2025-01-09 18:43:37,308 INFO L146 WitnessPrinter]: Generating witness for correct program [2025-01-09 18:43:37,312 INFO L362 RCFGBacktranslator]: Ignoring RootEdge to procedure netdev_priv [2025-01-09 18:43:37,312 INFO L362 RCFGBacktranslator]: Ignoring RootEdge to procedure outb [2025-01-09 18:43:37,312 INFO L362 RCFGBacktranslator]: Ignoring RootEdge to procedure check_mirror [2025-01-09 18:43:37,312 INFO L362 RCFGBacktranslator]: Ignoring RootEdge to procedure iounmap [2025-01-09 18:43:37,312 INFO L362 RCFGBacktranslator]: Ignoring RootEdge to procedure __release_region [2025-01-09 18:43:37,312 INFO L362 RCFGBacktranslator]: Ignoring RootEdge to procedure kfree [2025-01-09 18:43:37,312 INFO L362 RCFGBacktranslator]: Ignoring RootEdge to procedure free_irq [2025-01-09 18:43:37,312 INFO L362 RCFGBacktranslator]: Ignoring RootEdge to procedure printk [2025-01-09 18:43:37,312 INFO L362 RCFGBacktranslator]: Ignoring RootEdge to procedure assume_abort_if_not [2025-01-09 18:43:37,312 INFO L362 RCFGBacktranslator]: Ignoring RootEdge to procedure writeb [2025-01-09 18:43:37,312 INFO L362 RCFGBacktranslator]: Ignoring RootEdge to procedure __const_udelay [2025-01-09 18:43:37,312 INFO L362 RCFGBacktranslator]: Ignoring RootEdge to procedure ioremap [2025-01-09 18:43:37,312 INFO L362 RCFGBacktranslator]: Ignoring RootEdge to procedure __request_region [2025-01-09 18:43:37,312 INFO L362 RCFGBacktranslator]: Ignoring RootEdge to procedure ldv_malloc [2025-01-09 18:43:37,312 INFO L362 RCFGBacktranslator]: Ignoring RootEdge to procedure ldv_error [2025-01-09 18:43:37,313 INFO L362 RCFGBacktranslator]: Ignoring RootEdge to procedure ldv_irq_1 [2025-01-09 18:43:37,313 INFO L362 RCFGBacktranslator]: Ignoring RootEdge to procedure disable_suitable_irq_1 [2025-01-09 18:43:37,313 INFO L362 RCFGBacktranslator]: Ignoring RootEdge to procedure kzalloc [2025-01-09 18:43:37,313 INFO L362 RCFGBacktranslator]: Ignoring RootEdge to procedure ldv_stop [2025-01-09 18:43:37,313 INFO L362 RCFGBacktranslator]: Ignoring RootEdge to procedure readb [2025-01-09 18:43:37,313 INFO L362 RCFGBacktranslator]: Ignoring RootEdge to procedure inb [2025-01-09 18:43:37,313 INFO L362 RCFGBacktranslator]: Ignoring RootEdge to procedure free_netdev [2025-01-09 18:43:37,336 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 188 nodes and edges [2025-01-09 18:43:37,340 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 85 nodes and edges [2025-01-09 18:43:37,342 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 37 nodes and edges [2025-01-09 18:43:37,344 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 15 nodes and edges [2025-01-09 18:43:37,347 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 7 nodes and edges [2025-01-09 18:43:37,349 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 4 nodes and edges [2025-01-09 18:43:37,350 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2025-01-09 18:43:37,352 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2025-01-09 18:43:37,491 INFO L149 WitnessManager]: Wrote witness to /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/witness.graphml [2025-01-09 18:43:37,491 INFO L149 WitnessManager]: Wrote witness to /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/witness.yml [2025-01-09 18:43:37,491 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2025-01-09 18:43:37,495 INFO L158 Benchmark]: Toolchain (without parser) took 6461.90ms. Allocated memory was 142.6MB in the beginning and 327.2MB in the end (delta: 184.5MB). Free memory was 98.5MB in the beginning and 147.6MB in the end (delta: -49.1MB). Peak memory consumption was 135.2MB. Max. memory is 16.1GB. [2025-01-09 18:43:37,496 INFO L158 Benchmark]: CDTParser took 0.20ms. Allocated memory is still 201.3MB. Free memory is still 127.6MB. There was no memory consumed. Max. memory is 16.1GB. [2025-01-09 18:43:37,496 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1072.44ms. Allocated memory is still 142.6MB. Free memory was 98.5MB in the beginning and 56.6MB in the end (delta: 42.0MB). Peak memory consumption was 84.4MB. Max. memory is 16.1GB. [2025-01-09 18:43:37,496 INFO L158 Benchmark]: Boogie Procedure Inliner took 101.37ms. Allocated memory is still 142.6MB. Free memory was 56.6MB in the beginning and 46.2MB in the end (delta: 10.4MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2025-01-09 18:43:37,496 INFO L158 Benchmark]: Boogie Preprocessor took 209.02ms. Allocated memory is still 142.6MB. Free memory was 46.2MB in the beginning and 79.1MB in the end (delta: -32.9MB). Peak memory consumption was 15.8MB. Max. memory is 16.1GB. [2025-01-09 18:43:37,497 INFO L158 Benchmark]: RCFGBuilder took 1554.13ms. Allocated memory was 142.6MB in the beginning and 327.2MB in the end (delta: 184.5MB). Free memory was 79.1MB in the beginning and 179.1MB in the end (delta: -99.9MB). Peak memory consumption was 94.2MB. Max. memory is 16.1GB. [2025-01-09 18:43:37,497 INFO L158 Benchmark]: TraceAbstraction took 3333.83ms. Allocated memory is still 327.2MB. Free memory was 178.4MB in the beginning and 177.4MB in the end (delta: 933.5kB). Peak memory consumption was 103.3MB. Max. memory is 16.1GB. [2025-01-09 18:43:37,497 INFO L158 Benchmark]: Witness Printer took 185.93ms. Allocated memory is still 327.2MB. Free memory was 177.4MB in the beginning and 147.6MB in the end (delta: 29.8MB). Peak memory consumption was 33.6MB. Max. memory is 16.1GB. [2025-01-09 18:43:37,498 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.20ms. Allocated memory is still 201.3MB. Free memory is still 127.6MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1072.44ms. Allocated memory is still 142.6MB. Free memory was 98.5MB in the beginning and 56.6MB in the end (delta: 42.0MB). Peak memory consumption was 84.4MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 101.37ms. Allocated memory is still 142.6MB. Free memory was 56.6MB in the beginning and 46.2MB in the end (delta: 10.4MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Preprocessor took 209.02ms. Allocated memory is still 142.6MB. Free memory was 46.2MB in the beginning and 79.1MB in the end (delta: -32.9MB). Peak memory consumption was 15.8MB. Max. memory is 16.1GB. * RCFGBuilder took 1554.13ms. Allocated memory was 142.6MB in the beginning and 327.2MB in the end (delta: 184.5MB). Free memory was 79.1MB in the beginning and 179.1MB in the end (delta: -99.9MB). Peak memory consumption was 94.2MB. Max. memory is 16.1GB. * TraceAbstraction took 3333.83ms. Allocated memory is still 327.2MB. Free memory was 178.4MB in the beginning and 177.4MB in the end (delta: 933.5kB). Peak memory consumption was 103.3MB. Max. memory is 16.1GB. * Witness Printer took 185.93ms. Allocated memory is still 327.2MB. Free memory was 177.4MB in the beginning and 147.6MB in the end (delta: 29.8MB). Peak memory consumption was 33.6MB. 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, 741 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 1.6s, OverallIterations: 5, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.4s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 5453 SdHoareTripleChecker+Valid, 0.1s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 5453 mSDsluCounter, 5689 SdHoareTripleChecker+Invalid, 0.1s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 117 mSDsCounter, 6 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 21 IncrementalHoareTripleChecker+Invalid, 27 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 6 mSolverCounterUnsat, 5572 mSDtfsCounter, 21 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 13 GetRequests, 8 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=790occurred in iteration=1, InterpolantAutomatonStates: 15, 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, 147 NumberOfCodeBlocks, 147 NumberOfCodeBlocksAsserted, 5 NumberOfCheckSat, 142 ConstructedInterpolants, 0 QuantifiedInterpolants, 256 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: 6383]: Location Invariant Derived location invariant: (((((ldv_module_refcounter == 1) && (com90xx_skip_probe == 0)) && (ldv_state_variable_0 == 1)) && (irq == 0)) && (ldv_retval_0 == 0)) - InvariantResult [Line: 5704]: Loop Invariant Derived loop invariant: (((((ldv_module_refcounter == 1) && (com90xx_skip_probe == 0)) && (ldv_state_variable_0 == 1)) && (irq == 0)) && (ldv_retval_0 == 0)) - InvariantResult [Line: 5700]: Location Invariant Derived location invariant: (((((ldv_module_refcounter == 1) && (com90xx_skip_probe == 0)) && (ldv_state_variable_0 == 1)) && (irq == 0)) && (ldv_retval_0 == 0)) - InvariantResult [Line: 5700]: Location Invariant Derived location invariant: (((((ldv_module_refcounter == 1) && (com90xx_skip_probe == 0)) && (ldv_state_variable_0 == 1)) && (irq == 0)) && (ldv_retval_0 == 0)) - InvariantResult [Line: 6339]: Location Invariant Derived location invariant: (((((ldv_module_refcounter == 1) && (com90xx_skip_probe == 0)) && (ldv_state_variable_0 == 1)) && (irq == 0)) && (ldv_retval_0 == 0)) - InvariantResult [Line: 6372]: Location Invariant Derived location invariant: (((((ldv_module_refcounter == 1) && (com90xx_skip_probe == 0)) && (ldv_state_variable_0 == 1)) && (irq == 0)) && (ldv_retval_0 == 0)) - InvariantResult [Line: 5700]: Location Invariant Derived location invariant: (((((ldv_module_refcounter == 1) && (com90xx_skip_probe == 0)) && (ldv_state_variable_0 == 1)) && (irq == 0)) && (ldv_retval_0 == 0)) RESULT: Ultimate proved your program to be correct! [2025-01-09 18:43:37,523 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