./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 a046e57d Calling Ultimate with: /root/.sdkman/candidates/java/current/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/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/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate/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-tmp.dk.eval-mul-div-a046e57-m [2024-10-13 08:08:44,382 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-10-13 08:08:44,452 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Default.epf [2024-10-13 08:08:44,459 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-10-13 08:08:44,459 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-10-13 08:08:44,486 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-10-13 08:08:44,487 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-10-13 08:08:44,488 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-10-13 08:08:44,488 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-10-13 08:08:44,489 INFO L153 SettingsManager]: * Use memory slicer=true [2024-10-13 08:08:44,489 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-10-13 08:08:44,489 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-10-13 08:08:44,490 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-10-13 08:08:44,490 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-10-13 08:08:44,491 INFO L153 SettingsManager]: * Use SBE=true [2024-10-13 08:08:44,491 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-10-13 08:08:44,492 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-10-13 08:08:44,492 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-10-13 08:08:44,492 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-10-13 08:08:44,493 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-10-13 08:08:44,493 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-10-13 08:08:44,497 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-10-13 08:08:44,498 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-10-13 08:08:44,498 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-10-13 08:08:44,498 INFO L153 SettingsManager]: * Use constant arrays=true [2024-10-13 08:08:44,498 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-10-13 08:08:44,499 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-10-13 08:08:44,499 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-10-13 08:08:44,499 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-10-13 08:08:44,499 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-10-13 08:08:44,500 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-10-13 08:08:44,500 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-10-13 08:08:44,500 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-10-13 08:08:44,500 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-10-13 08:08:44,501 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-10-13 08:08:44,501 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-10-13 08:08:44,503 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-10-13 08:08:44,504 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-10-13 08:08:44,504 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-10-13 08:08:44,504 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/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 47d4461f591f5c9a52c15dff47d7e2157d1252b7ce09c2294e271b7cda5a7338 [2024-10-13 08:08:44,746 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-10-13 08:08:44,770 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-10-13 08:08:44,773 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-10-13 08:08:44,774 INFO L270 PluginConnector]: Initializing CDTParser... [2024-10-13 08:08:44,775 INFO L274 PluginConnector]: CDTParser initialized [2024-10-13 08:08:44,776 INFO L431 ainManager$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 [2024-10-13 08:08:46,238 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-10-13 08:08:46,684 INFO L384 CDTParser]: Found 1 translation units. [2024-10-13 08:08:46,685 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 [2024-10-13 08:08:46,726 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/15a95246c/7bece3eb502340b780b1cb305cde4997/FLAGcf5559280 [2024-10-13 08:08:46,745 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/15a95246c/7bece3eb502340b780b1cb305cde4997 [2024-10-13 08:08:46,749 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-10-13 08:08:46,750 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-10-13 08:08:46,752 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-10-13 08:08:46,752 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-10-13 08:08:46,757 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-10-13 08:08:46,758 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.10 08:08:46" (1/1) ... [2024-10-13 08:08:46,759 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7e264c80 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 08:08:46, skipping insertion in model container [2024-10-13 08:08:46,759 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.10 08:08:46" (1/1) ... [2024-10-13 08:08:46,882 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-10-13 08:08:47,781 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] [2024-10-13 08:08:47,810 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-10-13 08:08:47,826 INFO L200 MainTranslator]: Completed pre-run [2024-10-13 08:08:48,070 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("movb %1,%0": "=q" (ret): "m" (*((unsigned char volatile *)addr)): "memory"); [5420] [2024-10-13 08:08:48,072 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("movb %0,%1": : "q" (val), "m" (*((unsigned char volatile *)addr)): "memory"); [5427] [2024-10-13 08:08:48,073 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("outb %b0, %w1": : "a" (value), "Nd" (port)); [5458] [2024-10-13 08:08:48,074 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("inb %w1, %b0": "=a" (value): "Nd" (port)); [5466] [2024-10-13 08:08:48,152 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] [2024-10-13 08:08:48,159 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-10-13 08:08:48,195 INFO L204 MainTranslator]: Completed translation [2024-10-13 08:08:48,196 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 08:08:48 WrapperNode [2024-10-13 08:08:48,196 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-10-13 08:08:48,197 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-10-13 08:08:48,197 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-10-13 08:08:48,197 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-10-13 08:08:48,204 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 08:08:48" (1/1) ... [2024-10-13 08:08:48,253 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 08:08:48" (1/1) ... [2024-10-13 08:08:48,347 INFO L138 Inliner]: procedures = 98, calls = 556, calls flagged for inlining = 31, calls inlined = 25, statements flattened = 2052 [2024-10-13 08:08:48,348 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-10-13 08:08:48,348 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-10-13 08:08:48,349 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-10-13 08:08:48,349 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-10-13 08:08:48,359 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 08:08:48" (1/1) ... [2024-10-13 08:08:48,360 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 08:08:48" (1/1) ... [2024-10-13 08:08:48,375 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 08:08:48" (1/1) ... [2024-10-13 08:08:48,459 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]. [2024-10-13 08:08:48,459 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 08:08:48" (1/1) ... [2024-10-13 08:08:48,460 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 08:08:48" (1/1) ... [2024-10-13 08:08:48,500 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 08:08:48" (1/1) ... [2024-10-13 08:08:48,514 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 08:08:48" (1/1) ... [2024-10-13 08:08:48,529 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 08:08:48" (1/1) ... [2024-10-13 08:08:48,548 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 08:08:48" (1/1) ... [2024-10-13 08:08:48,572 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-10-13 08:08:48,574 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-10-13 08:08:48,574 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-10-13 08:08:48,575 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-10-13 08:08:48,576 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 08:08:48" (1/1) ... [2024-10-13 08:08:48,584 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-10-13 08:08:48,596 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-13 08:08:48,612 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-10-13 08:08:48,693 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-10-13 08:08:48,743 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2024-10-13 08:08:48,744 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2024-10-13 08:08:48,744 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#0 [2024-10-13 08:08:48,744 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#1 [2024-10-13 08:08:48,744 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#2 [2024-10-13 08:08:48,745 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#3 [2024-10-13 08:08:48,745 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#4 [2024-10-13 08:08:48,746 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#5 [2024-10-13 08:08:48,746 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#6 [2024-10-13 08:08:48,746 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#7 [2024-10-13 08:08:48,746 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#8 [2024-10-13 08:08:48,746 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#9 [2024-10-13 08:08:48,746 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#10 [2024-10-13 08:08:48,747 INFO L130 BoogieDeclarations]: Found specification of procedure free_netdev [2024-10-13 08:08:48,747 INFO L138 BoogieDeclarations]: Found implementation of procedure free_netdev [2024-10-13 08:08:48,747 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2024-10-13 08:08:48,747 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2024-10-13 08:08:48,747 INFO L130 BoogieDeclarations]: Found specification of procedure check_mirror [2024-10-13 08:08:48,747 INFO L138 BoogieDeclarations]: Found implementation of procedure check_mirror [2024-10-13 08:08:48,747 INFO L130 BoogieDeclarations]: Found specification of procedure __release_region [2024-10-13 08:08:48,748 INFO L138 BoogieDeclarations]: Found implementation of procedure __release_region [2024-10-13 08:08:48,748 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2024-10-13 08:08:48,749 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree [2024-10-13 08:08:48,749 INFO L130 BoogieDeclarations]: Found specification of procedure free_irq [2024-10-13 08:08:48,749 INFO L138 BoogieDeclarations]: Found implementation of procedure free_irq [2024-10-13 08:08:48,749 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#0 [2024-10-13 08:08:48,749 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#1 [2024-10-13 08:08:48,749 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#2 [2024-10-13 08:08:48,749 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#3 [2024-10-13 08:08:48,749 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#4 [2024-10-13 08:08:48,750 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#5 [2024-10-13 08:08:48,750 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#6 [2024-10-13 08:08:48,751 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#7 [2024-10-13 08:08:48,751 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#8 [2024-10-13 08:08:48,751 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#9 [2024-10-13 08:08:48,751 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#10 [2024-10-13 08:08:48,751 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_error [2024-10-13 08:08:48,751 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_error [2024-10-13 08:08:48,751 INFO L130 BoogieDeclarations]: Found specification of procedure disable_suitable_irq_1 [2024-10-13 08:08:48,751 INFO L138 BoogieDeclarations]: Found implementation of procedure disable_suitable_irq_1 [2024-10-13 08:08:48,752 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-10-13 08:08:48,752 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-10-13 08:08:48,752 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2024-10-13 08:08:48,752 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-10-13 08:08:48,752 INFO L130 BoogieDeclarations]: Found specification of procedure __const_udelay [2024-10-13 08:08:48,752 INFO L138 BoogieDeclarations]: Found implementation of procedure __const_udelay [2024-10-13 08:08:48,752 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#0 [2024-10-13 08:08:48,752 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#1 [2024-10-13 08:08:48,752 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#2 [2024-10-13 08:08:48,753 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#3 [2024-10-13 08:08:48,753 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#4 [2024-10-13 08:08:48,753 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#5 [2024-10-13 08:08:48,753 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#6 [2024-10-13 08:08:48,753 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#7 [2024-10-13 08:08:48,753 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#8 [2024-10-13 08:08:48,753 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#9 [2024-10-13 08:08:48,753 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#10 [2024-10-13 08:08:48,753 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2024-10-13 08:08:48,754 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_irq_1 [2024-10-13 08:08:48,754 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_irq_1 [2024-10-13 08:08:48,754 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#0 [2024-10-13 08:08:48,754 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#1 [2024-10-13 08:08:48,754 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#2 [2024-10-13 08:08:48,754 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#3 [2024-10-13 08:08:48,754 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#4 [2024-10-13 08:08:48,754 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#5 [2024-10-13 08:08:48,755 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#6 [2024-10-13 08:08:48,755 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#7 [2024-10-13 08:08:48,755 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#8 [2024-10-13 08:08:48,755 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#9 [2024-10-13 08:08:48,755 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#10 [2024-10-13 08:08:48,755 INFO L130 BoogieDeclarations]: Found specification of procedure ioremap [2024-10-13 08:08:48,755 INFO L138 BoogieDeclarations]: Found implementation of procedure ioremap [2024-10-13 08:08:48,755 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-10-13 08:08:48,755 INFO L130 BoogieDeclarations]: Found specification of procedure iounmap [2024-10-13 08:08:48,755 INFO L138 BoogieDeclarations]: Found implementation of procedure iounmap [2024-10-13 08:08:48,755 INFO L130 BoogieDeclarations]: Found specification of procedure printk [2024-10-13 08:08:48,755 INFO L138 BoogieDeclarations]: Found implementation of procedure printk [2024-10-13 08:08:48,755 INFO L130 BoogieDeclarations]: Found specification of procedure kzalloc [2024-10-13 08:08:48,755 INFO L138 BoogieDeclarations]: Found implementation of procedure kzalloc [2024-10-13 08:08:48,755 INFO L130 BoogieDeclarations]: Found specification of procedure inb [2024-10-13 08:08:48,756 INFO L138 BoogieDeclarations]: Found implementation of procedure inb [2024-10-13 08:08:48,756 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_priv [2024-10-13 08:08:48,756 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_priv [2024-10-13 08:08:48,756 INFO L130 BoogieDeclarations]: Found specification of procedure outb [2024-10-13 08:08:48,756 INFO L138 BoogieDeclarations]: Found implementation of procedure outb [2024-10-13 08:08:48,756 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-10-13 08:08:48,756 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#1 [2024-10-13 08:08:48,756 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#2 [2024-10-13 08:08:48,757 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#3 [2024-10-13 08:08:48,758 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#4 [2024-10-13 08:08:48,758 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#5 [2024-10-13 08:08:48,758 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#6 [2024-10-13 08:08:48,758 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#7 [2024-10-13 08:08:48,758 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#8 [2024-10-13 08:08:48,759 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#9 [2024-10-13 08:08:48,759 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#10 [2024-10-13 08:08:48,759 INFO L130 BoogieDeclarations]: Found specification of procedure writeb [2024-10-13 08:08:48,759 INFO L138 BoogieDeclarations]: Found implementation of procedure writeb [2024-10-13 08:08:48,759 INFO L130 BoogieDeclarations]: Found specification of procedure __request_region [2024-10-13 08:08:48,759 INFO L138 BoogieDeclarations]: Found implementation of procedure __request_region [2024-10-13 08:08:48,759 INFO L130 BoogieDeclarations]: Found specification of procedure readb [2024-10-13 08:08:48,759 INFO L138 BoogieDeclarations]: Found implementation of procedure readb [2024-10-13 08:08:48,759 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-10-13 08:08:48,760 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-10-13 08:08:49,112 INFO L238 CfgBuilder]: Building ICFG [2024-10-13 08:08:49,115 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-10-13 08:08:49,188 INFO L733 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stopFINAL: assume true; [2024-10-13 08:08:50,737 INFO L? ?]: Removed 406 outVars from TransFormulas that were not future-live. [2024-10-13 08:08:50,737 INFO L287 CfgBuilder]: Performing block encoding [2024-10-13 08:08:50,851 INFO L309 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-10-13 08:08:50,852 INFO L314 CfgBuilder]: Removed 1 assume(true) statements. [2024-10-13 08:08:50,852 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.10 08:08:50 BoogieIcfgContainer [2024-10-13 08:08:50,852 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-10-13 08:08:50,854 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-10-13 08:08:50,854 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-10-13 08:08:50,858 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-10-13 08:08:50,858 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 13.10 08:08:46" (1/3) ... [2024-10-13 08:08:50,859 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3bb5ed96 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.10 08:08:50, skipping insertion in model container [2024-10-13 08:08:50,860 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 08:08:48" (2/3) ... [2024-10-13 08:08:50,860 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3bb5ed96 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.10 08:08:50, skipping insertion in model container [2024-10-13 08:08:50,860 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.10 08:08:50" (3/3) ... [2024-10-13 08:08:50,861 INFO L112 eAbstractionObserver]: Analyzing ICFG linux-4.2-rc1.tar.xz-08_1a-drivers--net--arcnet--com90xx.ko-entry_point.cil.out.i [2024-10-13 08:08:50,878 INFO L209 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-10-13 08:08:50,878 INFO L149 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2024-10-13 08:08:50,965 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-10-13 08:08:50,973 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;@3c0ceb4a, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-10-13 08:08:50,973 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-10-13 08:08:50,984 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) [2024-10-13 08:08:50,993 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2024-10-13 08:08:50,993 INFO L207 NwaCegarLoop]: Found error trace [2024-10-13 08:08:50,994 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-13 08:08:50,994 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-13 08:08:51,001 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-13 08:08:51,002 INFO L85 PathProgramCache]: Analyzing trace with hash -1247769875, now seen corresponding path program 1 times [2024-10-13 08:08:51,010 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-13 08:08:51,011 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [187892785] [2024-10-13 08:08:51,011 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-13 08:08:51,011 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-13 08:08:51,258 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 08:08:51,498 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-13 08:08:51,499 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-13 08:08:51,499 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [187892785] [2024-10-13 08:08:51,500 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [187892785] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-13 08:08:51,500 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-13 08:08:51,501 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-10-13 08:08:51,503 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [313857604] [2024-10-13 08:08:51,504 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-13 08:08:51,508 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-10-13 08:08:51,509 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-13 08:08:51,531 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-10-13 08:08:51,532 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-10-13 08:08:51,535 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) [2024-10-13 08:08:51,829 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-13 08:08:51,829 INFO L93 Difference]: Finished difference Result 1446 states and 2268 transitions. [2024-10-13 08:08:51,832 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-13 08:08:51,834 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 [2024-10-13 08:08:51,834 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-13 08:08:51,858 INFO L225 Difference]: With dead ends: 1446 [2024-10-13 08:08:51,859 INFO L226 Difference]: Without dead ends: 741 [2024-10-13 08:08:51,869 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 [2024-10-13 08:08:51,874 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, 0.2s IncrementalHoareTripleChecker+Time [2024-10-13 08:08:51,875 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1040 Valid, 1140 Invalid, 69 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 66 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-10-13 08:08:51,895 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 741 states. [2024-10-13 08:08:51,977 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 741 to 741. [2024-10-13 08:08:51,979 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) [2024-10-13 08:08:51,984 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 741 states to 741 states and 1137 transitions. [2024-10-13 08:08:51,988 INFO L78 Accepts]: Start accepts. Automaton has 741 states and 1137 transitions. Word has length 12 [2024-10-13 08:08:51,989 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-13 08:08:51,990 INFO L471 AbstractCegarLoop]: Abstraction has 741 states and 1137 transitions. [2024-10-13 08:08:51,991 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) [2024-10-13 08:08:51,991 INFO L276 IsEmpty]: Start isEmpty. Operand 741 states and 1137 transitions. [2024-10-13 08:08:51,993 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2024-10-13 08:08:51,994 INFO L207 NwaCegarLoop]: Found error trace [2024-10-13 08:08:51,994 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] [2024-10-13 08:08:51,995 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-10-13 08:08:51,995 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-13 08:08:51,996 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-13 08:08:51,996 INFO L85 PathProgramCache]: Analyzing trace with hash -1279684829, now seen corresponding path program 1 times [2024-10-13 08:08:51,996 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-13 08:08:51,996 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [722675705] [2024-10-13 08:08:51,996 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-13 08:08:51,997 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-13 08:08:52,043 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 08:08:52,155 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-13 08:08:52,155 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-13 08:08:52,155 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [722675705] [2024-10-13 08:08:52,155 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [722675705] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-13 08:08:52,156 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-13 08:08:52,156 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-10-13 08:08:52,156 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1858059709] [2024-10-13 08:08:52,156 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-13 08:08:52,157 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-10-13 08:08:52,158 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-13 08:08:52,158 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-10-13 08:08:52,158 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-10-13 08:08:52,158 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) [2024-10-13 08:08:52,291 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-13 08:08:52,291 INFO L93 Difference]: Finished difference Result 1481 states and 2273 transitions. [2024-10-13 08:08:52,292 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-13 08:08:52,292 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 [2024-10-13 08:08:52,292 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-13 08:08:52,299 INFO L225 Difference]: With dead ends: 1481 [2024-10-13 08:08:52,299 INFO L226 Difference]: Without dead ends: 741 [2024-10-13 08:08:52,302 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 [2024-10-13 08:08:52,306 INFO L432 NwaCegarLoop]: 1025 mSDtfsCounter, 1058 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 41 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s 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 [2024-10-13 08:08:52,306 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] [2024-10-13 08:08:52,308 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 741 states. [2024-10-13 08:08:52,355 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 741 to 741. [2024-10-13 08:08:52,357 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) [2024-10-13 08:08:52,361 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 741 states to 741 states and 1135 transitions. [2024-10-13 08:08:52,362 INFO L78 Accepts]: Start accepts. Automaton has 741 states and 1135 transitions. Word has length 24 [2024-10-13 08:08:52,363 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-13 08:08:52,363 INFO L471 AbstractCegarLoop]: Abstraction has 741 states and 1135 transitions. [2024-10-13 08:08:52,363 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) [2024-10-13 08:08:52,364 INFO L276 IsEmpty]: Start isEmpty. Operand 741 states and 1135 transitions. [2024-10-13 08:08:52,365 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2024-10-13 08:08:52,366 INFO L207 NwaCegarLoop]: Found error trace [2024-10-13 08:08:52,366 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] [2024-10-13 08:08:52,366 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-10-13 08:08:52,366 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-13 08:08:52,368 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-13 08:08:52,368 INFO L85 PathProgramCache]: Analyzing trace with hash 1994214113, now seen corresponding path program 1 times [2024-10-13 08:08:52,368 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-13 08:08:52,368 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1721390855] [2024-10-13 08:08:52,368 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-13 08:08:52,369 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-13 08:08:52,417 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 08:08:52,485 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-13 08:08:52,510 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-13 08:08:52,510 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1721390855] [2024-10-13 08:08:52,510 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1721390855] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-13 08:08:52,510 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-13 08:08:52,510 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-10-13 08:08:52,511 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1778119243] [2024-10-13 08:08:52,511 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-13 08:08:52,511 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-10-13 08:08:52,511 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-13 08:08:52,512 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-10-13 08:08:52,512 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-10-13 08:08:52,512 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) [2024-10-13 08:08:52,645 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-13 08:08:52,645 INFO L93 Difference]: Finished difference Result 1481 states and 2269 transitions. [2024-10-13 08:08:52,645 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-13 08:08:52,646 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 [2024-10-13 08:08:52,646 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-13 08:08:52,650 INFO L225 Difference]: With dead ends: 1481 [2024-10-13 08:08:52,651 INFO L226 Difference]: Without dead ends: 741 [2024-10-13 08:08:52,653 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 [2024-10-13 08:08:52,654 INFO L432 NwaCegarLoop]: 1025 mSDtfsCounter, 1051 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 40 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s 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, 0.1s IncrementalHoareTripleChecker+Time [2024-10-13 08:08:52,654 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1051 Valid, 1025 Invalid, 40 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 40 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-10-13 08:08:52,656 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 741 states. [2024-10-13 08:08:52,692 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 741 to 741. [2024-10-13 08:08:52,694 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) [2024-10-13 08:08:52,697 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 741 states to 741 states and 1134 transitions. [2024-10-13 08:08:52,699 INFO L78 Accepts]: Start accepts. Automaton has 741 states and 1134 transitions. Word has length 24 [2024-10-13 08:08:52,699 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-13 08:08:52,699 INFO L471 AbstractCegarLoop]: Abstraction has 741 states and 1134 transitions. [2024-10-13 08:08:52,699 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) [2024-10-13 08:08:52,700 INFO L276 IsEmpty]: Start isEmpty. Operand 741 states and 1134 transitions. [2024-10-13 08:08:52,701 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 38 [2024-10-13 08:08:52,702 INFO L207 NwaCegarLoop]: Found error trace [2024-10-13 08:08:52,703 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] [2024-10-13 08:08:52,703 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2024-10-13 08:08:52,703 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-13 08:08:52,704 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-13 08:08:52,704 INFO L85 PathProgramCache]: Analyzing trace with hash 1694014511, now seen corresponding path program 1 times [2024-10-13 08:08:52,704 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-13 08:08:52,704 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [32639556] [2024-10-13 08:08:52,704 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-13 08:08:52,704 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-13 08:08:52,747 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 08:08:52,830 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2024-10-13 08:08:52,834 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 08:08:52,843 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-10-13 08:08:52,848 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 08:08:52,856 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-13 08:08:52,857 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-13 08:08:52,857 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [32639556] [2024-10-13 08:08:52,858 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [32639556] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-13 08:08:52,858 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-13 08:08:52,858 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-10-13 08:08:52,858 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1576813951] [2024-10-13 08:08:52,858 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-13 08:08:52,859 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-10-13 08:08:52,862 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-13 08:08:52,863 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-10-13 08:08:52,863 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-10-13 08:08:52,863 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) [2024-10-13 08:08:53,516 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-13 08:08:53,516 INFO L93 Difference]: Finished difference Result 772 states and 1183 transitions. [2024-10-13 08:08:53,517 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-10-13 08:08:53,517 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 [2024-10-13 08:08:53,517 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-13 08:08:53,523 INFO L225 Difference]: With dead ends: 772 [2024-10-13 08:08:53,524 INFO L226 Difference]: Without dead ends: 767 [2024-10-13 08:08:53,524 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 [2024-10-13 08:08:53,525 INFO L432 NwaCegarLoop]: 1007 mSDtfsCounter, 1020 mSDsluCounter, 731 mSDsCounter, 0 mSdLazyCounter, 240 mSolverCounterSat, 155 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1139 SdHoareTripleChecker+Valid, 1738 SdHoareTripleChecker+Invalid, 395 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 155 IncrementalHoareTripleChecker+Valid, 240 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2024-10-13 08:08:53,526 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1139 Valid, 1738 Invalid, 395 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [155 Valid, 240 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2024-10-13 08:08:53,527 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 767 states. [2024-10-13 08:08:53,595 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 767 to 741. [2024-10-13 08:08:53,597 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) [2024-10-13 08:08:53,601 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 741 states to 741 states and 1133 transitions. [2024-10-13 08:08:53,603 INFO L78 Accepts]: Start accepts. Automaton has 741 states and 1133 transitions. Word has length 37 [2024-10-13 08:08:53,603 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-13 08:08:53,603 INFO L471 AbstractCegarLoop]: Abstraction has 741 states and 1133 transitions. [2024-10-13 08:08:53,603 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) [2024-10-13 08:08:53,604 INFO L276 IsEmpty]: Start isEmpty. Operand 741 states and 1133 transitions. [2024-10-13 08:08:53,606 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 38 [2024-10-13 08:08:53,606 INFO L207 NwaCegarLoop]: Found error trace [2024-10-13 08:08:53,606 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] [2024-10-13 08:08:53,607 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2024-10-13 08:08:53,607 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-13 08:08:53,609 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-13 08:08:53,610 INFO L85 PathProgramCache]: Analyzing trace with hash 1751272813, now seen corresponding path program 1 times [2024-10-13 08:08:53,610 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-13 08:08:53,610 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [778131085] [2024-10-13 08:08:53,610 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-13 08:08:53,610 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-13 08:08:53,661 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 08:08:53,786 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2024-10-13 08:08:53,792 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 08:08:53,809 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-10-13 08:08:53,811 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 08:08:53,818 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-13 08:08:53,818 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-13 08:08:53,818 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [778131085] [2024-10-13 08:08:53,819 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [778131085] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-13 08:08:53,819 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-13 08:08:53,819 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-10-13 08:08:53,819 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1226489252] [2024-10-13 08:08:53,819 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-13 08:08:53,820 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-10-13 08:08:53,821 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-13 08:08:53,822 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-10-13 08:08:53,822 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-10-13 08:08:53,823 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) [2024-10-13 08:08:54,496 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-13 08:08:54,496 INFO L93 Difference]: Finished difference Result 762 states and 1174 transitions. [2024-10-13 08:08:54,497 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-10-13 08:08:54,497 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 [2024-10-13 08:08:54,498 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-13 08:08:54,499 INFO L225 Difference]: With dead ends: 762 [2024-10-13 08:08:54,499 INFO L226 Difference]: Without dead ends: 0 [2024-10-13 08:08:54,501 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 [2024-10-13 08:08:54,502 INFO L432 NwaCegarLoop]: 1008 mSDtfsCounter, 993 mSDsluCounter, 726 mSDsCounter, 0 mSdLazyCounter, 234 mSolverCounterSat, 149 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1111 SdHoareTripleChecker+Valid, 1734 SdHoareTripleChecker+Invalid, 383 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 149 IncrementalHoareTripleChecker+Valid, 234 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2024-10-13 08:08:54,502 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1111 Valid, 1734 Invalid, 383 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [149 Valid, 234 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2024-10-13 08:08:54,503 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2024-10-13 08:08:54,503 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2024-10-13 08:08:54,503 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) [2024-10-13 08:08:54,504 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2024-10-13 08:08:54,504 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 37 [2024-10-13 08:08:54,504 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-13 08:08:54,505 INFO L471 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2024-10-13 08:08:54,505 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) [2024-10-13 08:08:54,505 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2024-10-13 08:08:54,505 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2024-10-13 08:08:54,508 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2024-10-13 08:08:54,509 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2024-10-13 08:08:54,512 INFO L407 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1] [2024-10-13 08:08:54,514 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2024-10-13 08:08:56,807 INFO L165 ceAbstractionStarter]: Computing trace abstraction results [2024-10-13 08:08:56,843 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)) [2024-10-13 08:08:56,850 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)) [2024-10-13 08:08:56,864 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)) [2024-10-13 08:08:56,869 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)) [2024-10-13 08:08:56,871 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)) [2024-10-13 08:08:56,876 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)) [2024-10-13 08:08:56,886 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 13.10 08:08:56 BoogieIcfgContainer [2024-10-13 08:08:56,886 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-10-13 08:08:56,887 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-10-13 08:08:56,887 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-10-13 08:08:56,887 INFO L274 PluginConnector]: Witness Printer initialized [2024-10-13 08:08:56,888 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.10 08:08:50" (3/4) ... [2024-10-13 08:08:56,890 INFO L139 WitnessPrinter]: Generating witness for correct program [2024-10-13 08:08:56,893 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure netdev_priv [2024-10-13 08:08:56,893 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure outb [2024-10-13 08:08:56,893 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure check_mirror [2024-10-13 08:08:56,893 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure iounmap [2024-10-13 08:08:56,893 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure __release_region [2024-10-13 08:08:56,893 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure kfree [2024-10-13 08:08:56,894 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure free_irq [2024-10-13 08:08:56,894 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure printk [2024-10-13 08:08:56,894 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure assume_abort_if_not [2024-10-13 08:08:56,894 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure writeb [2024-10-13 08:08:56,894 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure __const_udelay [2024-10-13 08:08:56,894 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure ioremap [2024-10-13 08:08:56,894 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure __request_region [2024-10-13 08:08:56,894 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure ldv_malloc [2024-10-13 08:08:56,894 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure ldv_error [2024-10-13 08:08:56,894 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure ldv_irq_1 [2024-10-13 08:08:56,895 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure disable_suitable_irq_1 [2024-10-13 08:08:56,895 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure kzalloc [2024-10-13 08:08:56,895 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure ldv_stop [2024-10-13 08:08:56,895 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure readb [2024-10-13 08:08:56,896 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure inb [2024-10-13 08:08:56,896 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure free_netdev [2024-10-13 08:08:56,930 INFO L904 BoogieBacktranslator]: Reduced CFG by removing 217 nodes and edges [2024-10-13 08:08:56,933 INFO L904 BoogieBacktranslator]: Reduced CFG by removing 94 nodes and edges [2024-10-13 08:08:56,935 INFO L904 BoogieBacktranslator]: Reduced CFG by removing 40 nodes and edges [2024-10-13 08:08:56,938 INFO L904 BoogieBacktranslator]: Reduced CFG by removing 15 nodes and edges [2024-10-13 08:08:56,940 INFO L904 BoogieBacktranslator]: Reduced CFG by removing 7 nodes and edges [2024-10-13 08:08:56,942 INFO L904 BoogieBacktranslator]: Reduced CFG by removing 4 nodes and edges [2024-10-13 08:08:56,946 INFO L904 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2024-10-13 08:08:56,948 INFO L904 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2024-10-13 08:08:57,159 INFO L149 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.graphml [2024-10-13 08:08:57,160 INFO L149 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.yml [2024-10-13 08:08:57,160 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-10-13 08:08:57,161 INFO L158 Benchmark]: Toolchain (without parser) took 10410.78ms. Allocated memory was 130.0MB in the beginning and 402.7MB in the end (delta: 272.6MB). Free memory was 68.3MB in the beginning and 112.0MB in the end (delta: -43.7MB). Peak memory consumption was 230.3MB. Max. memory is 16.1GB. [2024-10-13 08:08:57,161 INFO L158 Benchmark]: CDTParser took 0.16ms. Allocated memory is still 130.0MB. Free memory is still 101.3MB. There was no memory consumed. Max. memory is 16.1GB. [2024-10-13 08:08:57,161 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1444.08ms. Allocated memory was 130.0MB in the beginning and 167.8MB in the end (delta: 37.7MB). Free memory was 67.9MB in the beginning and 85.1MB in the end (delta: -17.2MB). Peak memory consumption was 46.4MB. Max. memory is 16.1GB. [2024-10-13 08:08:57,162 INFO L158 Benchmark]: Boogie Procedure Inliner took 151.02ms. Allocated memory is still 167.8MB. Free memory was 85.1MB in the beginning and 73.6MB in the end (delta: 11.5MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2024-10-13 08:08:57,163 INFO L158 Benchmark]: Boogie Preprocessor took 224.38ms. Allocated memory is still 167.8MB. Free memory was 73.6MB in the beginning and 53.5MB in the end (delta: 20.1MB). Peak memory consumption was 21.0MB. Max. memory is 16.1GB. [2024-10-13 08:08:57,164 INFO L158 Benchmark]: RCFGBuilder took 2278.37ms. Allocated memory was 167.8MB in the beginning and 283.1MB in the end (delta: 115.3MB). Free memory was 53.5MB in the beginning and 147.6MB in the end (delta: -94.1MB). Peak memory consumption was 48.3MB. Max. memory is 16.1GB. [2024-10-13 08:08:57,164 INFO L158 Benchmark]: TraceAbstraction took 6032.16ms. Allocated memory was 283.1MB in the beginning and 402.7MB in the end (delta: 119.5MB). Free memory was 147.6MB in the beginning and 144.5MB in the end (delta: 3.1MB). Peak memory consumption was 129.9MB. Max. memory is 16.1GB. [2024-10-13 08:08:57,165 INFO L158 Benchmark]: Witness Printer took 273.33ms. Allocated memory is still 402.7MB. Free memory was 144.5MB in the beginning and 112.0MB in the end (delta: 32.5MB). Peak memory consumption was 31.5MB. Max. memory is 16.1GB. [2024-10-13 08:08:57,167 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.16ms. Allocated memory is still 130.0MB. Free memory is still 101.3MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1444.08ms. Allocated memory was 130.0MB in the beginning and 167.8MB in the end (delta: 37.7MB). Free memory was 67.9MB in the beginning and 85.1MB in the end (delta: -17.2MB). Peak memory consumption was 46.4MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 151.02ms. Allocated memory is still 167.8MB. Free memory was 85.1MB in the beginning and 73.6MB in the end (delta: 11.5MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. * Boogie Preprocessor took 224.38ms. Allocated memory is still 167.8MB. Free memory was 73.6MB in the beginning and 53.5MB in the end (delta: 20.1MB). Peak memory consumption was 21.0MB. Max. memory is 16.1GB. * RCFGBuilder took 2278.37ms. Allocated memory was 167.8MB in the beginning and 283.1MB in the end (delta: 115.3MB). Free memory was 53.5MB in the beginning and 147.6MB in the end (delta: -94.1MB). Peak memory consumption was 48.3MB. Max. memory is 16.1GB. * TraceAbstraction took 6032.16ms. Allocated memory was 283.1MB in the beginning and 402.7MB in the end (delta: 119.5MB). Free memory was 147.6MB in the beginning and 144.5MB in the end (delta: 3.1MB). Peak memory consumption was 129.9MB. Max. memory is 16.1GB. * Witness Printer took 273.33ms. Allocated memory is still 402.7MB. Free memory was 144.5MB in the beginning and 112.0MB in the end (delta: 32.5MB). Peak memory consumption was 31.5MB. 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: 3.6s, OverallIterations: 5, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 2.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 5399 SdHoareTripleChecker+Valid, 1.5s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 5162 mSDsluCounter, 6662 SdHoareTripleChecker+Invalid, 1.2s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 1549 mSDsCounter, 308 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 621 IncrementalHoareTripleChecker+Invalid, 929 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 308 mSolverCounterUnsat, 5113 mSDtfsCounter, 621 mSolverCounterSat, 0.1s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 23 GetRequests, 14 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s 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: 0.3s AutomataMinimizationTime, 5 MinimizatonAttempts, 26 StatesRemovedByMinimization, 1 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.2s SatisfiabilityAnalysisTime, 0.7s 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! [2024-10-13 08:08:57,198 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/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