./Ultimate.py --spec /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/properties/unreach-call.prp --file /storage/repos/ultimate/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 --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 84cfde4a Calling Ultimate with: /root/.sdkman/candidates/java/current/bin/java -Dosgi.configuration.area=/storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i /storage/repos/ultimate/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 -s /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate-clean/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 0.2.5-dev-84cfde4 [2024-10-11 15:27:30,324 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-10-11 15:27:30,371 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Default.epf [2024-10-11 15:27:30,375 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-10-11 15:27:30,376 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-10-11 15:27:30,399 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-10-11 15:27:30,399 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-10-11 15:27:30,400 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-10-11 15:27:30,400 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-10-11 15:27:30,402 INFO L153 SettingsManager]: * Use memory slicer=true [2024-10-11 15:27:30,402 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-10-11 15:27:30,402 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-10-11 15:27:30,402 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-10-11 15:27:30,403 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-10-11 15:27:30,404 INFO L153 SettingsManager]: * Use SBE=true [2024-10-11 15:27:30,404 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-10-11 15:27:30,404 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-10-11 15:27:30,405 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-10-11 15:27:30,405 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-10-11 15:27:30,405 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-10-11 15:27:30,405 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-10-11 15:27:30,405 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-10-11 15:27:30,406 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-10-11 15:27:30,406 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-10-11 15:27:30,406 INFO L153 SettingsManager]: * Use constant arrays=true [2024-10-11 15:27:30,406 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-10-11 15:27:30,406 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-10-11 15:27:30,406 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-10-11 15:27:30,407 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-10-11 15:27:30,407 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-10-11 15:27:30,407 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-10-11 15:27:30,407 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-10-11 15:27:30,407 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-10-11 15:27:30,407 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-10-11 15:27:30,407 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-10-11 15:27:30,408 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-10-11 15:27:30,408 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-10-11 15:27:30,408 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-10-11 15:27:30,408 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-10-11 15:27:30,408 INFO L153 SettingsManager]: * Looper check in Petri net analysis=SEMANTIC WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 47d4461f591f5c9a52c15dff47d7e2157d1252b7ce09c2294e271b7cda5a7338 [2024-10-11 15:27:30,603 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-10-11 15:27:30,622 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-10-11 15:27:30,624 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-10-11 15:27:30,625 INFO L270 PluginConnector]: Initializing CDTParser... [2024-10-11 15:27:30,626 INFO L274 PluginConnector]: CDTParser initialized [2024-10-11 15:27:30,626 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/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 [2024-10-11 15:27:31,863 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-10-11 15:27:32,153 INFO L384 CDTParser]: Found 1 translation units. [2024-10-11 15:27:32,154 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/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 [2024-10-11 15:27:32,181 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/data/15289b861/7933cd41b9c343a1a89677e42655c118/FLAG35fa20c6d [2024-10-11 15:27:32,412 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/data/15289b861/7933cd41b9c343a1a89677e42655c118 [2024-10-11 15:27:32,414 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-10-11 15:27:32,415 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-10-11 15:27:32,417 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-10-11 15:27:32,417 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-10-11 15:27:32,422 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-10-11 15:27:32,422 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 11.10 03:27:32" (1/1) ... [2024-10-11 15:27:32,423 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@681a0e4f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 03:27:32, skipping insertion in model container [2024-10-11 15:27:32,423 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 11.10 03:27:32" (1/1) ... [2024-10-11 15:27:32,531 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-10-11 15:27:33,152 WARN L248 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/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] [2024-10-11 15:27:33,175 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-10-11 15:27:33,188 INFO L200 MainTranslator]: Completed pre-run [2024-10-11 15:27:33,302 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("movb %1,%0": "=q" (ret): "m" (*((unsigned char volatile *)addr)): "memory"); [5420] [2024-10-11 15:27:33,304 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("movb %0,%1": : "q" (val), "m" (*((unsigned char volatile *)addr)): "memory"); [5427] [2024-10-11 15:27:33,305 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("outb %b0, %w1": : "a" (value), "Nd" (port)); [5458] [2024-10-11 15:27:33,305 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("inb %w1, %b0": "=a" (value): "Nd" (port)); [5466] [2024-10-11 15:27:33,373 WARN L248 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/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] [2024-10-11 15:27:33,380 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-10-11 15:27:33,406 INFO L204 MainTranslator]: Completed translation [2024-10-11 15:27:33,406 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 03:27:33 WrapperNode [2024-10-11 15:27:33,406 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-10-11 15:27:33,407 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-10-11 15:27:33,408 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-10-11 15:27:33,408 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-10-11 15:27:33,413 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 03:27:33" (1/1) ... [2024-10-11 15:27:33,444 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 03:27:33" (1/1) ... [2024-10-11 15:27:33,504 INFO L138 Inliner]: procedures = 98, calls = 556, calls flagged for inlining = 31, calls inlined = 25, statements flattened = 2052 [2024-10-11 15:27:33,504 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-10-11 15:27:33,505 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-10-11 15:27:33,505 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-10-11 15:27:33,505 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-10-11 15:27:33,514 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 03:27:33" (1/1) ... [2024-10-11 15:27:33,515 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 03:27:33" (1/1) ... [2024-10-11 15:27:33,532 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 03:27:33" (1/1) ... [2024-10-11 15:27:33,590 INFO L175 MemorySlicer]: Split 266 memory accesses to 11 slices as follows [2, 2, 2, 2, 3, 69, 10, 29, 2, 143, 2]. 54 percent of accesses are in the largest equivalence class. The 172 initializations are split as follows [2, 2, 2, 2, 0, 8, 9, 0, 2, 143, 2]. The 32 writes are split as follows [0, 0, 0, 0, 2, 20, 0, 10, 0, 0, 0]. [2024-10-11 15:27:33,591 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 03:27:33" (1/1) ... [2024-10-11 15:27:33,591 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 03:27:33" (1/1) ... [2024-10-11 15:27:33,619 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 03:27:33" (1/1) ... [2024-10-11 15:27:33,627 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 03:27:33" (1/1) ... [2024-10-11 15:27:33,636 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 03:27:33" (1/1) ... [2024-10-11 15:27:33,642 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 03:27:33" (1/1) ... [2024-10-11 15:27:33,655 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-10-11 15:27:33,656 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-10-11 15:27:33,656 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-10-11 15:27:33,656 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-10-11 15:27:33,657 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 03:27:33" (1/1) ... [2024-10-11 15:27:33,661 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-10-11 15:27:33,668 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 [2024-10-11 15:27:33,679 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-10-11 15:27:33,680 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-10-11 15:27:33,711 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2024-10-11 15:27:33,711 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2024-10-11 15:27:33,711 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#0 [2024-10-11 15:27:33,711 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#1 [2024-10-11 15:27:33,711 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#2 [2024-10-11 15:27:33,711 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#3 [2024-10-11 15:27:33,711 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#4 [2024-10-11 15:27:33,712 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#5 [2024-10-11 15:27:33,712 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#6 [2024-10-11 15:27:33,712 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#7 [2024-10-11 15:27:33,712 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#8 [2024-10-11 15:27:33,712 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#9 [2024-10-11 15:27:33,712 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#10 [2024-10-11 15:27:33,712 INFO L130 BoogieDeclarations]: Found specification of procedure free_netdev [2024-10-11 15:27:33,712 INFO L138 BoogieDeclarations]: Found implementation of procedure free_netdev [2024-10-11 15:27:33,742 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2024-10-11 15:27:33,742 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2024-10-11 15:27:33,745 INFO L130 BoogieDeclarations]: Found specification of procedure check_mirror [2024-10-11 15:27:33,745 INFO L138 BoogieDeclarations]: Found implementation of procedure check_mirror [2024-10-11 15:27:33,745 INFO L130 BoogieDeclarations]: Found specification of procedure __release_region [2024-10-11 15:27:33,745 INFO L138 BoogieDeclarations]: Found implementation of procedure __release_region [2024-10-11 15:27:33,745 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2024-10-11 15:27:33,745 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree [2024-10-11 15:27:33,745 INFO L130 BoogieDeclarations]: Found specification of procedure free_irq [2024-10-11 15:27:33,745 INFO L138 BoogieDeclarations]: Found implementation of procedure free_irq [2024-10-11 15:27:33,745 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#0 [2024-10-11 15:27:33,745 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#1 [2024-10-11 15:27:33,745 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#2 [2024-10-11 15:27:33,745 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#3 [2024-10-11 15:27:33,746 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#4 [2024-10-11 15:27:33,746 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#5 [2024-10-11 15:27:33,746 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#6 [2024-10-11 15:27:33,746 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#7 [2024-10-11 15:27:33,746 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#8 [2024-10-11 15:27:33,746 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#9 [2024-10-11 15:27:33,746 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#10 [2024-10-11 15:27:33,746 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_error [2024-10-11 15:27:33,746 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_error [2024-10-11 15:27:33,746 INFO L130 BoogieDeclarations]: Found specification of procedure disable_suitable_irq_1 [2024-10-11 15:27:33,746 INFO L138 BoogieDeclarations]: Found implementation of procedure disable_suitable_irq_1 [2024-10-11 15:27:33,746 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-10-11 15:27:33,746 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-10-11 15:27:33,746 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2024-10-11 15:27:33,746 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-10-11 15:27:33,746 INFO L130 BoogieDeclarations]: Found specification of procedure __const_udelay [2024-10-11 15:27:33,746 INFO L138 BoogieDeclarations]: Found implementation of procedure __const_udelay [2024-10-11 15:27:33,746 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#0 [2024-10-11 15:27:33,746 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#1 [2024-10-11 15:27:33,747 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#2 [2024-10-11 15:27:33,747 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#3 [2024-10-11 15:27:33,747 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#4 [2024-10-11 15:27:33,747 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#5 [2024-10-11 15:27:33,747 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#6 [2024-10-11 15:27:33,747 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#7 [2024-10-11 15:27:33,747 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#8 [2024-10-11 15:27:33,747 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#9 [2024-10-11 15:27:33,747 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#10 [2024-10-11 15:27:33,747 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2024-10-11 15:27:33,747 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_irq_1 [2024-10-11 15:27:33,747 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_irq_1 [2024-10-11 15:27:33,747 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#0 [2024-10-11 15:27:33,747 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#1 [2024-10-11 15:27:33,747 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#2 [2024-10-11 15:27:33,747 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#3 [2024-10-11 15:27:33,748 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#4 [2024-10-11 15:27:33,748 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#5 [2024-10-11 15:27:33,748 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#6 [2024-10-11 15:27:33,748 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#7 [2024-10-11 15:27:33,748 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#8 [2024-10-11 15:27:33,748 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#9 [2024-10-11 15:27:33,748 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#10 [2024-10-11 15:27:33,748 INFO L130 BoogieDeclarations]: Found specification of procedure ioremap [2024-10-11 15:27:33,748 INFO L138 BoogieDeclarations]: Found implementation of procedure ioremap [2024-10-11 15:27:33,751 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-10-11 15:27:33,752 INFO L130 BoogieDeclarations]: Found specification of procedure iounmap [2024-10-11 15:27:33,752 INFO L138 BoogieDeclarations]: Found implementation of procedure iounmap [2024-10-11 15:27:33,752 INFO L130 BoogieDeclarations]: Found specification of procedure printk [2024-10-11 15:27:33,752 INFO L138 BoogieDeclarations]: Found implementation of procedure printk [2024-10-11 15:27:33,752 INFO L130 BoogieDeclarations]: Found specification of procedure kzalloc [2024-10-11 15:27:33,752 INFO L138 BoogieDeclarations]: Found implementation of procedure kzalloc [2024-10-11 15:27:33,752 INFO L130 BoogieDeclarations]: Found specification of procedure inb [2024-10-11 15:27:33,752 INFO L138 BoogieDeclarations]: Found implementation of procedure inb [2024-10-11 15:27:33,752 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_priv [2024-10-11 15:27:33,752 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_priv [2024-10-11 15:27:33,752 INFO L130 BoogieDeclarations]: Found specification of procedure outb [2024-10-11 15:27:33,752 INFO L138 BoogieDeclarations]: Found implementation of procedure outb [2024-10-11 15:27:33,752 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-10-11 15:27:33,752 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#1 [2024-10-11 15:27:33,752 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#2 [2024-10-11 15:27:33,752 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#3 [2024-10-11 15:27:33,752 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#4 [2024-10-11 15:27:33,753 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#5 [2024-10-11 15:27:33,753 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#6 [2024-10-11 15:27:33,753 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#7 [2024-10-11 15:27:33,753 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#8 [2024-10-11 15:27:33,753 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#9 [2024-10-11 15:27:33,753 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#10 [2024-10-11 15:27:33,753 INFO L130 BoogieDeclarations]: Found specification of procedure writeb [2024-10-11 15:27:33,753 INFO L138 BoogieDeclarations]: Found implementation of procedure writeb [2024-10-11 15:27:33,753 INFO L130 BoogieDeclarations]: Found specification of procedure __request_region [2024-10-11 15:27:33,753 INFO L138 BoogieDeclarations]: Found implementation of procedure __request_region [2024-10-11 15:27:33,753 INFO L130 BoogieDeclarations]: Found specification of procedure readb [2024-10-11 15:27:33,753 INFO L138 BoogieDeclarations]: Found implementation of procedure readb [2024-10-11 15:27:33,753 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-10-11 15:27:33,753 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-10-11 15:27:34,011 INFO L238 CfgBuilder]: Building ICFG [2024-10-11 15:27:34,012 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-10-11 15:27:34,078 INFO L733 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stopFINAL: assume true; [2024-10-11 15:27:35,231 INFO L? ?]: Removed 406 outVars from TransFormulas that were not future-live. [2024-10-11 15:27:35,231 INFO L287 CfgBuilder]: Performing block encoding [2024-10-11 15:27:35,327 INFO L309 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-10-11 15:27:35,328 INFO L314 CfgBuilder]: Removed 1 assume(true) statements. [2024-10-11 15:27:35,328 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 11.10 03:27:35 BoogieIcfgContainer [2024-10-11 15:27:35,328 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-10-11 15:27:35,330 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-10-11 15:27:35,330 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-10-11 15:27:35,333 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-10-11 15:27:35,333 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 11.10 03:27:32" (1/3) ... [2024-10-11 15:27:35,334 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6bcca4e2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 11.10 03:27:35, skipping insertion in model container [2024-10-11 15:27:35,334 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 03:27:33" (2/3) ... [2024-10-11 15:27:35,334 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6bcca4e2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 11.10 03:27:35, skipping insertion in model container [2024-10-11 15:27:35,335 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 11.10 03:27:35" (3/3) ... [2024-10-11 15:27:35,336 INFO L112 eAbstractionObserver]: Analyzing ICFG linux-4.2-rc1.tar.xz-08_1a-drivers--net--arcnet--com90xx.ko-entry_point.cil.out.i [2024-10-11 15:27:35,348 INFO L209 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-10-11 15:27:35,348 INFO L149 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2024-10-11 15:27:35,422 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-10-11 15:27:35,427 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;@522ac6b4, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-10-11 15:27:35,427 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-10-11 15:27:35,432 INFO L276 IsEmpty]: Start isEmpty. Operand has 694 states, 533 states have (on average 1.525328330206379) internal successors, (813), 546 states have internal predecessors, (813), 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) [2024-10-11 15:27:35,438 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2024-10-11 15:27:35,439 INFO L207 NwaCegarLoop]: Found error trace [2024-10-11 15:27:35,439 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-11 15:27:35,439 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-11 15:27:35,443 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-11 15:27:35,443 INFO L85 PathProgramCache]: Analyzing trace with hash -1247769875, now seen corresponding path program 1 times [2024-10-11 15:27:35,450 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-11 15:27:35,450 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [807937732] [2024-10-11 15:27:35,450 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 15:27:35,451 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-11 15:27:35,643 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 15:27:35,796 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-11 15:27:35,797 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-11 15:27:35,797 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [807937732] [2024-10-11 15:27:35,798 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [807937732] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-11 15:27:35,798 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-11 15:27:35,798 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-10-11 15:27:35,800 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1788911131] [2024-10-11 15:27:35,800 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-11 15:27:35,803 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-10-11 15:27:35,804 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-11 15:27:35,817 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-10-11 15:27:35,818 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-10-11 15:27:35,820 INFO L87 Difference]: Start difference. First operand has 694 states, 533 states have (on average 1.525328330206379) internal successors, (813), 546 states have internal predecessors, (813), 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 3.6666666666666665) internal successors, (11), 2 states have internal predecessors, (11), 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) [2024-10-11 15:27:36,013 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-11 15:27:36,013 INFO L93 Difference]: Finished difference Result 1446 states and 2268 transitions. [2024-10-11 15:27:36,015 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-11 15:27:36,016 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 3.6666666666666665) internal successors, (11), 2 states have internal predecessors, (11), 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 12 [2024-10-11 15:27:36,016 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-11 15:27:36,033 INFO L225 Difference]: With dead ends: 1446 [2024-10-11 15:27:36,033 INFO L226 Difference]: Without dead ends: 741 [2024-10-11 15:27:36,042 INFO L431 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 [2024-10-11 15:27:36,046 INFO L432 NwaCegarLoop]: 1048 mSDtfsCounter, 1040 mSDsluCounter, 92 mSDsCounter, 0 mSdLazyCounter, 66 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1040 SdHoareTripleChecker+Valid, 1140 SdHoareTripleChecker+Invalid, 69 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 66 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-10-11 15:27:36,048 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1040 Valid, 1140 Invalid, 69 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 66 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-10-11 15:27:36,064 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 741 states. [2024-10-11 15:27:36,123 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 741 to 741. [2024-10-11 15:27:36,127 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 741 states, 575 states have (on average 1.4991304347826087) internal successors, (862), 582 states have internal predecessors, (862), 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) [2024-10-11 15:27:36,131 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 741 states to 741 states and 1137 transitions. [2024-10-11 15:27:36,135 INFO L78 Accepts]: Start accepts. Automaton has 741 states and 1137 transitions. Word has length 12 [2024-10-11 15:27:36,135 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-11 15:27:36,135 INFO L471 AbstractCegarLoop]: Abstraction has 741 states and 1137 transitions. [2024-10-11 15:27:36,136 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 3.6666666666666665) internal successors, (11), 2 states have internal predecessors, (11), 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) [2024-10-11 15:27:36,136 INFO L276 IsEmpty]: Start isEmpty. Operand 741 states and 1137 transitions. [2024-10-11 15:27:36,137 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2024-10-11 15:27:36,138 INFO L207 NwaCegarLoop]: Found error trace [2024-10-11 15:27:36,138 INFO L215 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] [2024-10-11 15:27:36,138 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-10-11 15:27:36,138 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-11 15:27:36,139 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-11 15:27:36,139 INFO L85 PathProgramCache]: Analyzing trace with hash -1279684829, now seen corresponding path program 1 times [2024-10-11 15:27:36,139 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-11 15:27:36,139 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1288727863] [2024-10-11 15:27:36,139 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 15:27:36,139 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-11 15:27:36,183 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 15:27:36,245 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-11 15:27:36,245 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-11 15:27:36,245 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1288727863] [2024-10-11 15:27:36,245 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1288727863] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-11 15:27:36,246 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-11 15:27:36,246 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-10-11 15:27:36,246 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1973536030] [2024-10-11 15:27:36,246 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-11 15:27:36,247 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-10-11 15:27:36,247 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-11 15:27:36,247 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-10-11 15:27:36,247 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-10-11 15:27:36,248 INFO L87 Difference]: Start difference. First operand 741 states and 1137 transitions. Second operand has 3 states, 3 states have (on average 7.666666666666667) internal successors, (23), 2 states have internal predecessors, (23), 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) [2024-10-11 15:27:36,360 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-11 15:27:36,360 INFO L93 Difference]: Finished difference Result 1481 states and 2273 transitions. [2024-10-11 15:27:36,360 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-11 15:27:36,361 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 7.666666666666667) internal successors, (23), 2 states have internal predecessors, (23), 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 24 [2024-10-11 15:27:36,361 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-11 15:27:36,366 INFO L225 Difference]: With dead ends: 1481 [2024-10-11 15:27:36,366 INFO L226 Difference]: Without dead ends: 741 [2024-10-11 15:27:36,368 INFO L431 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 [2024-10-11 15:27:36,369 INFO L432 NwaCegarLoop]: 1025 mSDtfsCounter, 1058 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 41 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1058 SdHoareTripleChecker+Valid, 1025 SdHoareTripleChecker+Invalid, 42 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 41 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-10-11 15:27:36,369 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1058 Valid, 1025 Invalid, 42 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 41 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-10-11 15:27:36,370 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 741 states. [2024-10-11 15:27:36,395 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 741 to 741. [2024-10-11 15:27:36,396 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 741 states, 575 states have (on average 1.4956521739130435) internal successors, (860), 582 states have internal predecessors, (860), 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) [2024-10-11 15:27:36,398 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 741 states to 741 states and 1135 transitions. [2024-10-11 15:27:36,399 INFO L78 Accepts]: Start accepts. Automaton has 741 states and 1135 transitions. Word has length 24 [2024-10-11 15:27:36,399 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-11 15:27:36,399 INFO L471 AbstractCegarLoop]: Abstraction has 741 states and 1135 transitions. [2024-10-11 15:27:36,399 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 7.666666666666667) internal successors, (23), 2 states have internal predecessors, (23), 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) [2024-10-11 15:27:36,399 INFO L276 IsEmpty]: Start isEmpty. Operand 741 states and 1135 transitions. [2024-10-11 15:27:36,400 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2024-10-11 15:27:36,400 INFO L207 NwaCegarLoop]: Found error trace [2024-10-11 15:27:36,400 INFO L215 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] [2024-10-11 15:27:36,400 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-10-11 15:27:36,401 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-11 15:27:36,401 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-11 15:27:36,401 INFO L85 PathProgramCache]: Analyzing trace with hash 1994214113, now seen corresponding path program 1 times [2024-10-11 15:27:36,401 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-11 15:27:36,401 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [528303872] [2024-10-11 15:27:36,401 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 15:27:36,402 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-11 15:27:36,435 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 15:27:36,482 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-11 15:27:36,482 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-11 15:27:36,482 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [528303872] [2024-10-11 15:27:36,482 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [528303872] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-11 15:27:36,483 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-11 15:27:36,484 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-10-11 15:27:36,484 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2121568842] [2024-10-11 15:27:36,484 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-11 15:27:36,484 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-10-11 15:27:36,485 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-11 15:27:36,486 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-10-11 15:27:36,486 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-10-11 15:27:36,486 INFO L87 Difference]: Start difference. First operand 741 states and 1135 transitions. Second operand has 3 states, 3 states have (on average 7.666666666666667) internal successors, (23), 2 states have internal predecessors, (23), 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) [2024-10-11 15:27:36,555 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-11 15:27:36,555 INFO L93 Difference]: Finished difference Result 1481 states and 2269 transitions. [2024-10-11 15:27:36,556 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-11 15:27:36,556 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 7.666666666666667) internal successors, (23), 2 states have internal predecessors, (23), 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 24 [2024-10-11 15:27:36,556 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-11 15:27:36,559 INFO L225 Difference]: With dead ends: 1481 [2024-10-11 15:27:36,559 INFO L226 Difference]: Without dead ends: 741 [2024-10-11 15:27:36,560 INFO L431 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 [2024-10-11 15:27:36,561 INFO L432 NwaCegarLoop]: 1025 mSDtfsCounter, 1051 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 40 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1051 SdHoareTripleChecker+Valid, 1025 SdHoareTripleChecker+Invalid, 40 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 40 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-10-11 15:27:36,561 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1051 Valid, 1025 Invalid, 40 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 40 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-10-11 15:27:36,563 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 741 states. [2024-10-11 15:27:36,581 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 741 to 741. [2024-10-11 15:27:36,582 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 741 states, 575 states have (on average 1.4939130434782608) internal successors, (859), 582 states have internal predecessors, (859), 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) [2024-10-11 15:27:36,584 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 741 states to 741 states and 1134 transitions. [2024-10-11 15:27:36,585 INFO L78 Accepts]: Start accepts. Automaton has 741 states and 1134 transitions. Word has length 24 [2024-10-11 15:27:36,585 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-11 15:27:36,585 INFO L471 AbstractCegarLoop]: Abstraction has 741 states and 1134 transitions. [2024-10-11 15:27:36,586 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 7.666666666666667) internal successors, (23), 2 states have internal predecessors, (23), 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) [2024-10-11 15:27:36,586 INFO L276 IsEmpty]: Start isEmpty. Operand 741 states and 1134 transitions. [2024-10-11 15:27:36,586 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 38 [2024-10-11 15:27:36,587 INFO L207 NwaCegarLoop]: Found error trace [2024-10-11 15:27:36,587 INFO L215 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] [2024-10-11 15:27:36,587 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2024-10-11 15:27:36,587 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-11 15:27:36,587 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-11 15:27:36,587 INFO L85 PathProgramCache]: Analyzing trace with hash 1694014511, now seen corresponding path program 1 times [2024-10-11 15:27:36,588 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-11 15:27:36,588 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1001382169] [2024-10-11 15:27:36,588 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 15:27:36,588 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-11 15:27:36,639 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 15:27:36,685 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2024-10-11 15:27:36,688 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 15:27:36,694 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-10-11 15:27:36,696 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 15:27:36,700 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-11 15:27:36,700 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-11 15:27:36,700 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1001382169] [2024-10-11 15:27:36,700 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1001382169] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-11 15:27:36,700 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-11 15:27:36,701 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-10-11 15:27:36,701 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1179338791] [2024-10-11 15:27:36,701 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-11 15:27:36,701 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-10-11 15:27:36,701 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-11 15:27:36,702 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-10-11 15:27:36,702 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-10-11 15:27:36,703 INFO L87 Difference]: Start difference. First operand 741 states and 1134 transitions. Second operand has 4 states, 4 states have (on average 8.0) internal successors, (32), 3 states have internal predecessors, (32), 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) [2024-10-11 15:27:37,208 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-11 15:27:37,209 INFO L93 Difference]: Finished difference Result 772 states and 1183 transitions. [2024-10-11 15:27:37,209 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-10-11 15:27:37,209 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 8.0) internal successors, (32), 3 states have internal predecessors, (32), 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 37 [2024-10-11 15:27:37,209 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-11 15:27:37,214 INFO L225 Difference]: With dead ends: 772 [2024-10-11 15:27:37,214 INFO L226 Difference]: Without dead ends: 767 [2024-10-11 15:27:37,214 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 6 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2024-10-11 15:27:37,215 INFO L432 NwaCegarLoop]: 1010 mSDtfsCounter, 1018 mSDsluCounter, 733 mSDsCounter, 0 mSdLazyCounter, 241 mSolverCounterSat, 156 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1135 SdHoareTripleChecker+Valid, 1743 SdHoareTripleChecker+Invalid, 397 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 156 IncrementalHoareTripleChecker+Valid, 241 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2024-10-11 15:27:37,216 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1135 Valid, 1743 Invalid, 397 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [156 Valid, 241 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2024-10-11 15:27:37,218 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 767 states. [2024-10-11 15:27:37,245 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 767 to 741. [2024-10-11 15:27:37,247 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 741 states, 575 states have (on average 1.4921739130434784) internal successors, (858), 582 states have internal predecessors, (858), 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) [2024-10-11 15:27:37,249 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 741 states to 741 states and 1133 transitions. [2024-10-11 15:27:37,250 INFO L78 Accepts]: Start accepts. Automaton has 741 states and 1133 transitions. Word has length 37 [2024-10-11 15:27:37,250 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-11 15:27:37,250 INFO L471 AbstractCegarLoop]: Abstraction has 741 states and 1133 transitions. [2024-10-11 15:27:37,250 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 8.0) internal successors, (32), 3 states have internal predecessors, (32), 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) [2024-10-11 15:27:37,250 INFO L276 IsEmpty]: Start isEmpty. Operand 741 states and 1133 transitions. [2024-10-11 15:27:37,252 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 38 [2024-10-11 15:27:37,252 INFO L207 NwaCegarLoop]: Found error trace [2024-10-11 15:27:37,252 INFO L215 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] [2024-10-11 15:27:37,253 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2024-10-11 15:27:37,254 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-11 15:27:37,254 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-11 15:27:37,254 INFO L85 PathProgramCache]: Analyzing trace with hash 1751272813, now seen corresponding path program 1 times [2024-10-11 15:27:37,254 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-11 15:27:37,254 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [659213620] [2024-10-11 15:27:37,254 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 15:27:37,254 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-11 15:27:37,284 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 15:27:37,333 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2024-10-11 15:27:37,337 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 15:27:37,345 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-10-11 15:27:37,346 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 15:27:37,350 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-11 15:27:37,350 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-11 15:27:37,350 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [659213620] [2024-10-11 15:27:37,350 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [659213620] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-11 15:27:37,350 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-11 15:27:37,350 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-10-11 15:27:37,350 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [698618597] [2024-10-11 15:27:37,350 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-11 15:27:37,351 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-10-11 15:27:37,351 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-11 15:27:37,351 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-10-11 15:27:37,351 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-10-11 15:27:37,352 INFO L87 Difference]: Start difference. First operand 741 states and 1133 transitions. Second operand has 4 states, 4 states have (on average 8.0) internal successors, (32), 3 states have internal predecessors, (32), 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) [2024-10-11 15:27:37,825 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-11 15:27:37,825 INFO L93 Difference]: Finished difference Result 762 states and 1174 transitions. [2024-10-11 15:27:37,826 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-10-11 15:27:37,826 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 8.0) internal successors, (32), 3 states have internal predecessors, (32), 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 37 [2024-10-11 15:27:37,826 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-11 15:27:37,827 INFO L225 Difference]: With dead ends: 762 [2024-10-11 15:27:37,827 INFO L226 Difference]: Without dead ends: 0 [2024-10-11 15:27:37,828 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2024-10-11 15:27:37,828 INFO L432 NwaCegarLoop]: 1011 mSDtfsCounter, 993 mSDsluCounter, 729 mSDsCounter, 0 mSdLazyCounter, 234 mSolverCounterSat, 149 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1108 SdHoareTripleChecker+Valid, 1740 SdHoareTripleChecker+Invalid, 383 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 149 IncrementalHoareTripleChecker+Valid, 234 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2024-10-11 15:27:37,829 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1108 Valid, 1740 Invalid, 383 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [149 Valid, 234 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2024-10-11 15:27:37,829 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2024-10-11 15:27:37,831 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2024-10-11 15:27:37,831 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) [2024-10-11 15:27:37,831 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2024-10-11 15:27:37,831 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 37 [2024-10-11 15:27:37,832 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-11 15:27:37,832 INFO L471 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2024-10-11 15:27:37,832 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 8.0) internal successors, (32), 3 states have internal predecessors, (32), 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) [2024-10-11 15:27:37,832 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2024-10-11 15:27:37,832 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2024-10-11 15:27:37,834 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2024-10-11 15:27:37,834 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2024-10-11 15:27:37,836 INFO L407 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1] [2024-10-11 15:27:37,838 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2024-10-11 15:27:39,506 INFO L165 ceAbstractionStarter]: Computing trace abstraction results [2024-10-11 15:27:39,531 WARN L155 FloydHoareUtils]: Requires clause for check_mirror contained old-variable. Original clause: (and (= ~ldv_module_refcounter~0 1) (= ~com90xx_skip_probe~0 0) (= |old(#length)| |#length|) (= ~ldv_state_variable_0~0 1) (= ~irq~0 0) (= ~ldv_retval_0~0 0) (= |old(#valid)| |#valid|)) Eliminated clause: (and (= ~ldv_module_refcounter~0 1) (= ~com90xx_skip_probe~0 0) (= ~ldv_state_variable_0~0 1) (= ~irq~0 0) (= ~ldv_retval_0~0 0)) [2024-10-11 15:27:39,534 WARN L155 FloydHoareUtils]: Requires clause for kfree contained old-variable. Original clause: (and (= ~ldv_module_refcounter~0 1) (= ~com90xx_skip_probe~0 0) (= ~ldv_state_variable_0~0 1) (= ~irq~0 0) (= ~ldv_retval_0~0 0) (= |old(#valid)| |#valid|)) Eliminated clause: (and (= ~ldv_module_refcounter~0 1) (= ~com90xx_skip_probe~0 0) (= ~ldv_state_variable_0~0 1) (= ~irq~0 0) (= ~ldv_retval_0~0 0)) [2024-10-11 15:27:39,540 WARN L155 FloydHoareUtils]: Requires clause for ioremap contained old-variable. Original clause: (and (= ~ldv_module_refcounter~0 1) (= ~com90xx_skip_probe~0 0) (= |old(#length)| |#length|) (= ~ldv_state_variable_0~0 1) (= ~irq~0 0) (= ~ldv_retval_0~0 0) (= |old(#valid)| |#valid|)) Eliminated clause: (and (= ~ldv_module_refcounter~0 1) (= ~com90xx_skip_probe~0 0) (= ~ldv_state_variable_0~0 1) (= ~irq~0 0) (= ~ldv_retval_0~0 0)) [2024-10-11 15:27:39,541 WARN L155 FloydHoareUtils]: Requires clause for __request_region contained old-variable. Original clause: (and (= ~ldv_module_refcounter~0 1) (= ~com90xx_skip_probe~0 0) (= |old(#length)| |#length|) (= ~ldv_state_variable_0~0 1) (= ~irq~0 0) (= ~ldv_retval_0~0 0) (= |old(#valid)| |#valid|)) Eliminated clause: (and (= ~ldv_module_refcounter~0 1) (= ~com90xx_skip_probe~0 0) (= ~ldv_state_variable_0~0 1) (= ~irq~0 0) (= ~ldv_retval_0~0 0)) [2024-10-11 15:27:39,543 WARN L155 FloydHoareUtils]: Requires clause for ldv_malloc contained old-variable. Original clause: (and (= ~ldv_module_refcounter~0 1) (= ~com90xx_skip_probe~0 0) (= |old(#length)| |#length|) (= ~ldv_state_variable_0~0 1) (= ~irq~0 0) (= ~ldv_retval_0~0 0) (= |old(#valid)| |#valid|)) Eliminated clause: (and (= ~ldv_module_refcounter~0 1) (= ~com90xx_skip_probe~0 0) (= ~ldv_state_variable_0~0 1) (= ~irq~0 0) (= ~ldv_retval_0~0 0)) [2024-10-11 15:27:39,545 WARN L155 FloydHoareUtils]: Requires clause for kzalloc contained old-variable. Original clause: (and (= ~ldv_module_refcounter~0 1) (= ~com90xx_skip_probe~0 0) (= |old(#length)| |#length|) (= ~ldv_state_variable_0~0 1) (= ~irq~0 0) (= ~ldv_retval_0~0 0) (= |old(#valid)| |#valid|)) Eliminated clause: (and (= ~ldv_module_refcounter~0 1) (= ~com90xx_skip_probe~0 0) (= ~ldv_state_variable_0~0 1) (= ~irq~0 0) (= ~ldv_retval_0~0 0)) [2024-10-11 15:27:39,549 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 11.10 03:27:39 BoogieIcfgContainer [2024-10-11 15:27:39,549 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-10-11 15:27:39,549 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-10-11 15:27:39,549 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-10-11 15:27:39,549 INFO L274 PluginConnector]: Witness Printer initialized [2024-10-11 15:27:39,550 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 11.10 03:27:35" (3/4) ... [2024-10-11 15:27:39,551 INFO L139 WitnessPrinter]: Generating witness for correct program [2024-10-11 15:27:39,556 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure netdev_priv [2024-10-11 15:27:39,557 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure outb [2024-10-11 15:27:39,557 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure check_mirror [2024-10-11 15:27:39,557 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure iounmap [2024-10-11 15:27:39,557 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure __release_region [2024-10-11 15:27:39,557 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure kfree [2024-10-11 15:27:39,557 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure free_irq [2024-10-11 15:27:39,557 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure printk [2024-10-11 15:27:39,557 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure assume_abort_if_not [2024-10-11 15:27:39,557 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure writeb [2024-10-11 15:27:39,557 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure __const_udelay [2024-10-11 15:27:39,557 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure ioremap [2024-10-11 15:27:39,557 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure __request_region [2024-10-11 15:27:39,558 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure ldv_malloc [2024-10-11 15:27:39,558 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure ldv_error [2024-10-11 15:27:39,558 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure ldv_irq_1 [2024-10-11 15:27:39,558 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure disable_suitable_irq_1 [2024-10-11 15:27:39,558 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure kzalloc [2024-10-11 15:27:39,558 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure ldv_stop [2024-10-11 15:27:39,558 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure readb [2024-10-11 15:27:39,558 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure inb [2024-10-11 15:27:39,558 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure free_netdev [2024-10-11 15:27:39,581 INFO L904 BoogieBacktranslator]: Reduced CFG by removing 217 nodes and edges [2024-10-11 15:27:39,583 INFO L904 BoogieBacktranslator]: Reduced CFG by removing 94 nodes and edges [2024-10-11 15:27:39,586 INFO L904 BoogieBacktranslator]: Reduced CFG by removing 40 nodes and edges [2024-10-11 15:27:39,588 INFO L904 BoogieBacktranslator]: Reduced CFG by removing 15 nodes and edges [2024-10-11 15:27:39,589 INFO L904 BoogieBacktranslator]: Reduced CFG by removing 7 nodes and edges [2024-10-11 15:27:39,591 INFO L904 BoogieBacktranslator]: Reduced CFG by removing 4 nodes and edges [2024-10-11 15:27:39,594 INFO L904 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2024-10-11 15:27:39,596 INFO L904 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2024-10-11 15:27:39,731 INFO L149 WitnessManager]: Wrote witness to /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/witness.graphml [2024-10-11 15:27:39,731 INFO L149 WitnessManager]: Wrote witness to /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/witness.yml [2024-10-11 15:27:39,731 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-10-11 15:27:39,732 INFO L158 Benchmark]: Toolchain (without parser) took 7317.20ms. Allocated memory was 161.5MB in the beginning and 343.9MB in the end (delta: 182.5MB). Free memory was 83.8MB in the beginning and 156.0MB in the end (delta: -72.2MB). Peak memory consumption was 111.5MB. Max. memory is 16.1GB. [2024-10-11 15:27:39,732 INFO L158 Benchmark]: CDTParser took 0.13ms. Allocated memory is still 109.1MB. Free memory is still 70.3MB. There was no memory consumed. Max. memory is 16.1GB. [2024-10-11 15:27:39,732 INFO L158 Benchmark]: CACSL2BoogieTranslator took 990.24ms. Allocated memory is still 161.5MB. Free memory was 83.5MB in the beginning and 91.9MB in the end (delta: -8.4MB). Peak memory consumption was 54.8MB. Max. memory is 16.1GB. [2024-10-11 15:27:39,732 INFO L158 Benchmark]: Boogie Procedure Inliner took 97.09ms. Allocated memory is still 161.5MB. Free memory was 91.9MB in the beginning and 80.7MB in the end (delta: 11.1MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2024-10-11 15:27:39,732 INFO L158 Benchmark]: Boogie Preprocessor took 150.42ms. Allocated memory is still 161.5MB. Free memory was 80.7MB in the beginning and 61.1MB in the end (delta: 19.6MB). Peak memory consumption was 21.0MB. Max. memory is 16.1GB. [2024-10-11 15:27:39,733 INFO L158 Benchmark]: RCFGBuilder took 1672.15ms. Allocated memory was 161.5MB in the beginning and 262.1MB in the end (delta: 100.7MB). Free memory was 61.1MB in the beginning and 124.8MB in the end (delta: -63.7MB). Peak memory consumption was 54.4MB. Max. memory is 16.1GB. [2024-10-11 15:27:39,733 INFO L158 Benchmark]: TraceAbstraction took 4219.30ms. Allocated memory was 262.1MB in the beginning and 343.9MB in the end (delta: 81.8MB). Free memory was 123.7MB in the beginning and 189.6MB in the end (delta: -65.9MB). Peak memory consumption was 130.8MB. Max. memory is 16.1GB. [2024-10-11 15:27:39,733 INFO L158 Benchmark]: Witness Printer took 182.12ms. Allocated memory is still 343.9MB. Free memory was 189.6MB in the beginning and 156.0MB in the end (delta: 33.6MB). Peak memory consumption was 33.6MB. Max. memory is 16.1GB. [2024-10-11 15:27:39,735 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.13ms. Allocated memory is still 109.1MB. Free memory is still 70.3MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 990.24ms. Allocated memory is still 161.5MB. Free memory was 83.5MB in the beginning and 91.9MB in the end (delta: -8.4MB). Peak memory consumption was 54.8MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 97.09ms. Allocated memory is still 161.5MB. Free memory was 91.9MB in the beginning and 80.7MB in the end (delta: 11.1MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. * Boogie Preprocessor took 150.42ms. Allocated memory is still 161.5MB. Free memory was 80.7MB in the beginning and 61.1MB in the end (delta: 19.6MB). Peak memory consumption was 21.0MB. Max. memory is 16.1GB. * RCFGBuilder took 1672.15ms. Allocated memory was 161.5MB in the beginning and 262.1MB in the end (delta: 100.7MB). Free memory was 61.1MB in the beginning and 124.8MB in the end (delta: -63.7MB). Peak memory consumption was 54.4MB. Max. memory is 16.1GB. * TraceAbstraction took 4219.30ms. Allocated memory was 262.1MB in the beginning and 343.9MB in the end (delta: 81.8MB). Free memory was 123.7MB in the beginning and 189.6MB in the end (delta: -65.9MB). Peak memory consumption was 130.8MB. Max. memory is 16.1GB. * Witness Printer took 182.12ms. Allocated memory is still 343.9MB. Free memory was 189.6MB in the beginning and 156.0MB in the end (delta: 33.6MB). 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, 695 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 2.5s, OverallIterations: 5, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 1.4s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 5392 SdHoareTripleChecker+Valid, 1.1s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 5160 mSDsluCounter, 6673 SdHoareTripleChecker+Invalid, 0.9s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 1554 mSDsCounter, 309 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 622 IncrementalHoareTripleChecker+Invalid, 931 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 309 mSolverCounterUnsat, 5119 mSDtfsCounter, 622 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 23 GetRequests, 14 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=741occurred in iteration=1, InterpolantAutomatonStates: 18, 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, 26 StatesRemovedByMinimization, 1 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.4s InterpolantComputationTime, 134 NumberOfCodeBlocks, 134 NumberOfCodeBlocksAsserted, 5 NumberOfCheckSat, 129 ConstructedInterpolants, 0 QuantifiedInterpolants, 259 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 - 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: 5571]: Location Invariant Derived location invariant: 1 - 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)) - ProcedureContractResult [Line: 5622]: Procedure Contract for netdev_priv Derived contract for procedure netdev_priv. Requires: ((((ldv_module_refcounter == 1) && (com90xx_skip_probe == 0)) && (irq == 0)) && (ldv_retval_0 == 0)) Ensures: ((((ldv_module_refcounter == 1) && (com90xx_skip_probe == 0)) && (irq == 0)) && (ldv_retval_0 == 0)) - ProcedureContractResult [Line: 5455]: Procedure Contract for outb Derived contract for procedure outb. Requires: (((((ldv_module_refcounter == 1) && (com90xx_skip_probe == 0)) && (ldv_state_variable_0 == 1)) && (irq == 0)) && (ldv_retval_0 == 0)) Ensures: (((((ldv_module_refcounter == 1) && (com90xx_skip_probe == 0)) && (ldv_state_variable_0 == 1)) && (irq == 0)) && (ldv_retval_0 == 0)) - ProcedureContractResult [Line: 6293]: Procedure Contract for check_mirror Derived contract for procedure check_mirror. Requires: (((((ldv_module_refcounter == 1) && (com90xx_skip_probe == 0)) && (ldv_state_variable_0 == 1)) && (irq == 0)) && (ldv_retval_0 == 0)) Ensures: (((((ldv_module_refcounter == 1) && (com90xx_skip_probe == 0)) && (ldv_state_variable_0 == 1)) && (irq == 0)) && (ldv_retval_0 == 0)) - ProcedureContractResult [Line: 6966]: Procedure Contract for iounmap Derived contract for procedure iounmap. Requires: ((((ldv_module_refcounter == 1) && (com90xx_skip_probe == 0)) && (irq == 0)) && (ldv_retval_0 == 0)) Ensures: ((((ldv_module_refcounter == 1) && (com90xx_skip_probe == 0)) && (irq == 0)) && (ldv_retval_0 == 0)) - ProcedureContractResult [Line: 6944]: Procedure Contract for __release_region Derived contract for procedure __release_region. Requires: ((((ldv_module_refcounter == 1) && (com90xx_skip_probe == 0)) && (irq == 0)) && (ldv_retval_0 == 0)) Ensures: ((((ldv_module_refcounter == 1) && (com90xx_skip_probe == 0)) && (irq == 0)) && (ldv_retval_0 == 0)) - ProcedureContractResult [Line: 6996]: Procedure Contract for kfree Derived contract for procedure kfree. Requires: (((((ldv_module_refcounter == 1) && (com90xx_skip_probe == 0)) && (ldv_state_variable_0 == 1)) && (irq == 0)) && (ldv_retval_0 == 0)) Ensures: (((((ldv_module_refcounter == 1) && (com90xx_skip_probe == 0)) && (ldv_state_variable_0 == 1)) && (irq == 0)) && (ldv_retval_0 == 0)) - ProcedureContractResult [Line: 6957]: Procedure Contract for free_irq Derived contract for procedure free_irq. Requires: ((((ldv_module_refcounter == 1) && (com90xx_skip_probe == 0)) && (irq == 0)) && (ldv_retval_0 == 0)) Ensures: ((((ldv_module_refcounter == 1) && (com90xx_skip_probe == 0)) && (irq == 0)) && (ldv_retval_0 == 0)) - ProcedureContractResult [Line: 6973]: Procedure Contract for printk Derived contract for procedure printk. Requires: (((((ldv_module_refcounter == 1) && (com90xx_skip_probe == 0)) && (ldv_state_variable_0 == 1)) && (irq == 0)) && (ldv_retval_0 == 0)) Ensures: (((((ldv_module_refcounter == 1) && (com90xx_skip_probe == 0)) && (ldv_state_variable_0 == 1)) && (irq == 0)) && (ldv_retval_0 == 0)) - ProcedureContractResult [Line: 5499]: Procedure Contract for assume_abort_if_not Derived contract for procedure assume_abort_if_not. Requires: (((((ldv_module_refcounter == 1) && (com90xx_skip_probe == 0)) && (ldv_state_variable_0 == 1)) && (irq == 0)) && (ldv_retval_0 == 0)) Ensures: (((((ldv_module_refcounter == 1) && (com90xx_skip_probe == 0)) && (ldv_state_variable_0 == 1)) && (irq == 0)) && (ldv_retval_0 == 0)) - ProcedureContractResult [Line: 5424]: Procedure Contract for writeb Derived contract for procedure writeb. Requires: (((((ldv_module_refcounter == 1) && (com90xx_skip_probe == 0)) && (ldv_state_variable_0 == 1)) && (irq == 0)) && (ldv_retval_0 == 0)) Ensures: (((((ldv_module_refcounter == 1) && (com90xx_skip_probe == 0)) && (ldv_state_variable_0 == 1)) && (irq == 0)) && (ldv_retval_0 == 0)) - ProcedureContractResult [Line: 6941]: Procedure Contract for __const_udelay Derived contract for procedure __const_udelay. Requires: (((((ldv_module_refcounter == 1) && (com90xx_skip_probe == 0)) && (ldv_state_variable_0 == 1)) && (irq == 0)) && (ldv_retval_0 == 0)) Ensures: (((((ldv_module_refcounter == 1) && (com90xx_skip_probe == 0)) && (ldv_state_variable_0 == 1)) && (irq == 0)) && (ldv_retval_0 == 0)) - ProcedureContractResult [Line: 5432]: Procedure Contract for ioremap Derived contract for procedure ioremap. Requires: (((((ldv_module_refcounter == 1) && (com90xx_skip_probe == 0)) && (ldv_state_variable_0 == 1)) && (irq == 0)) && (ldv_retval_0 == 0)) Ensures: (((((ldv_module_refcounter == 1) && (com90xx_skip_probe == 0)) && (ldv_state_variable_0 == 1)) && (irq == 0)) && (ldv_retval_0 == 0)) - ProcedureContractResult [Line: 6947]: Procedure Contract for __request_region Derived contract for procedure __request_region. Requires: (((((ldv_module_refcounter == 1) && (com90xx_skip_probe == 0)) && (ldv_state_variable_0 == 1)) && (irq == 0)) && (ldv_retval_0 == 0)) Ensures: (((((ldv_module_refcounter == 1) && (com90xx_skip_probe == 0)) && (ldv_state_variable_0 == 1)) && (irq == 0)) && (ldv_retval_0 == 0)) - ProcedureContractResult [Line: 5502]: Procedure Contract for ldv_malloc Derived contract for procedure ldv_malloc. Requires: (((((ldv_module_refcounter == 1) && (com90xx_skip_probe == 0)) && (ldv_state_variable_0 == 1)) && (irq == 0)) && (ldv_retval_0 == 0)) Ensures: (((((ldv_module_refcounter == 1) && (com90xx_skip_probe == 0)) && (ldv_state_variable_0 == 1)) && (irq == 0)) && (ldv_retval_0 == 0)) - ProcedureContractResult [Line: 6832]: Procedure Contract for ldv_error Derived contract for procedure ldv_error. Requires: 0 Ensures: 0 - ProcedureContractResult [Line: 6611]: Procedure Contract for ldv_irq_1 Derived contract for procedure ldv_irq_1. Requires: ((((ldv_module_refcounter == 1) && (com90xx_skip_probe == 0)) && (irq == 0)) && (ldv_retval_0 == 0)) Ensures: ((((ldv_module_refcounter == 1) && (com90xx_skip_probe == 0)) && (irq == 0)) && (ldv_retval_0 == 0)) - ProcedureContractResult [Line: 6709]: Procedure Contract for disable_suitable_irq_1 Derived contract for procedure disable_suitable_irq_1. Requires: ((((ldv_module_refcounter == 1) && (com90xx_skip_probe == 0)) && (irq == 0)) && (ldv_retval_0 == 0)) Ensures: ((((ldv_module_refcounter == 1) && (com90xx_skip_probe == 0)) && (irq == 0)) && (ldv_retval_0 == 0)) - ProcedureContractResult [Line: 5486]: Procedure Contract for kzalloc Derived contract for procedure kzalloc. Requires: (((((ldv_module_refcounter == 1) && (com90xx_skip_probe == 0)) && (ldv_state_variable_0 == 1)) && (irq == 0)) && (ldv_retval_0 == 0)) Ensures: (((((ldv_module_refcounter == 1) && (com90xx_skip_probe == 0)) && (ldv_state_variable_0 == 1)) && (irq == 0)) && (ldv_retval_0 == 0)) - ProcedureContractResult [Line: 5416]: Procedure Contract for readb Derived contract for procedure readb. Requires: (((((ldv_module_refcounter == 1) && (com90xx_skip_probe == 0)) && (ldv_state_variable_0 == 1)) && (irq == 0)) && (ldv_retval_0 == 0)) Ensures: (((((ldv_module_refcounter == 1) && (com90xx_skip_probe == 0)) && (ldv_state_variable_0 == 1)) && (irq == 0)) && (ldv_retval_0 == 0)) - ProcedureContractResult [Line: 5462]: Procedure Contract for inb Derived contract for procedure inb. Requires: (((((ldv_module_refcounter == 1) && (com90xx_skip_probe == 0)) && (ldv_state_variable_0 == 1)) && (irq == 0)) && (ldv_retval_0 == 0)) Ensures: (((((ldv_module_refcounter == 1) && (com90xx_skip_probe == 0)) && (ldv_state_variable_0 == 1)) && (irq == 0)) && (ldv_retval_0 == 0)) - ProcedureContractResult [Line: 6960]: Procedure Contract for free_netdev Derived contract for procedure free_netdev. Requires: ((((ldv_module_refcounter == 1) && (com90xx_skip_probe == 0)) && (irq == 0)) && (ldv_retval_0 == 0)) Ensures: ((((ldv_module_refcounter == 1) && (com90xx_skip_probe == 0)) && (irq == 0)) && (ldv_retval_0 == 0)) RESULT: Ultimate proved your program to be correct! [2024-10-11 15:27:39,759 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: TRUE