./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/ldv-linux-3.0/usb_urb-drivers-misc-c2port-core.ko.cil.out.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 798a7b37 Calling Ultimate with: /root/.sdkman/candidates/java/21.0.5-tem/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_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i ../sv-benchmarks/c/ldv-linux-3.0/usb_urb-drivers-misc-c2port-core.ko.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 623160d4598cd0ad84c7dc43ec65a6f971cb966f22ee32963f1c0c6e1de756e1 --- Real Ultimate output --- This is Ultimate 0.3.0-?-798a7b3-m [2025-03-04 03:11:11,242 INFO L188 SettingsManager]: Resetting all preferences to default values... [2025-03-04 03:11:11,304 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Default.epf [2025-03-04 03:11:11,312 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2025-03-04 03:11:11,312 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2025-03-04 03:11:11,333 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2025-03-04 03:11:11,335 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2025-03-04 03:11:11,335 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2025-03-04 03:11:11,335 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2025-03-04 03:11:11,335 INFO L153 SettingsManager]: * Use memory slicer=true [2025-03-04 03:11:11,335 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2025-03-04 03:11:11,335 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2025-03-04 03:11:11,335 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2025-03-04 03:11:11,336 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2025-03-04 03:11:11,336 INFO L153 SettingsManager]: * Use SBE=true [2025-03-04 03:11:11,336 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2025-03-04 03:11:11,336 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2025-03-04 03:11:11,336 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2025-03-04 03:11:11,336 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2025-03-04 03:11:11,336 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2025-03-04 03:11:11,336 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2025-03-04 03:11:11,336 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2025-03-04 03:11:11,336 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2025-03-04 03:11:11,336 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2025-03-04 03:11:11,336 INFO L153 SettingsManager]: * Use constant arrays=true [2025-03-04 03:11:11,336 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2025-03-04 03:11:11,336 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2025-03-04 03:11:11,336 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2025-03-04 03:11:11,336 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2025-03-04 03:11:11,336 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2025-03-04 03:11:11,337 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2025-03-04 03:11:11,337 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2025-03-04 03:11:11,337 INFO L153 SettingsManager]: * Compute procedure contracts=false [2025-03-04 03:11:11,337 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2025-03-04 03:11:11,337 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2025-03-04 03:11:11,337 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2025-03-04 03:11:11,337 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2025-03-04 03:11:11,337 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2025-03-04 03:11:11,337 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2025-03-04 03:11:11,337 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2025-03-04 03:11:11,337 INFO L153 SettingsManager]: * Looper check in Petri net analysis=SEMANTIC Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/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 -> 623160d4598cd0ad84c7dc43ec65a6f971cb966f22ee32963f1c0c6e1de756e1 [2025-03-04 03:11:11,587 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2025-03-04 03:11:11,595 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2025-03-04 03:11:11,597 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2025-03-04 03:11:11,598 INFO L270 PluginConnector]: Initializing CDTParser... [2025-03-04 03:11:11,599 INFO L274 PluginConnector]: CDTParser initialized [2025-03-04 03:11:11,600 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/ldv-linux-3.0/usb_urb-drivers-misc-c2port-core.ko.cil.out.i [2025-03-04 03:11:12,775 INFO L533 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/7dd8c8115/93e2ce8e14854339b2c360e62ecd8b67/FLAGe47e80afa [2025-03-04 03:11:13,156 INFO L384 CDTParser]: Found 1 translation units. [2025-03-04 03:11:13,157 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-3.0/usb_urb-drivers-misc-c2port-core.ko.cil.out.i [2025-03-04 03:11:13,185 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/7dd8c8115/93e2ce8e14854339b2c360e62ecd8b67/FLAGe47e80afa [2025-03-04 03:11:13,340 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/7dd8c8115/93e2ce8e14854339b2c360e62ecd8b67 [2025-03-04 03:11:13,342 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2025-03-04 03:11:13,344 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2025-03-04 03:11:13,346 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2025-03-04 03:11:13,347 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2025-03-04 03:11:13,351 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2025-03-04 03:11:13,352 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 04.03 03:11:13" (1/1) ... [2025-03-04 03:11:13,354 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@42e3595f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.03 03:11:13, skipping insertion in model container [2025-03-04 03:11:13,354 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 04.03 03:11:13" (1/1) ... [2025-03-04 03:11:13,409 INFO L175 MainTranslator]: Built tables and reachable declarations [2025-03-04 03:11:14,155 WARN L250 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-3.0/usb_urb-drivers-misc-c2port-core.ko.cil.out.i[148506,148519] [2025-03-04 03:11:14,194 INFO L210 PostProcessor]: Analyzing one entry point: main [2025-03-04 03:11:14,226 INFO L200 MainTranslator]: Completed pre-run [2025-03-04 03:11:14,291 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("1:\tud2\n" ".pushsection __bug_table,\"a\"\n" "2:\t.long 1b - 2b, %c0 - 2b\n" "\t.word %c1, 0\n" "\t.org 2b+%c2\n" ".popsection": : "i" ("/anthill/stuff/tacas-comp/inst/current/envs/linux-3.0.1/linux-3.0.1/arch/x86/include/asm/paravirt.h"), "i" (863), "i" (sizeof(struct bug_entry ))); [3395-3401] [2025-03-04 03:11:14,293 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("" "771:\n\t" "call *%c[paravirt_opptr];" "\n" "772:\n" ".pushsection .parainstructions,\"a\"\n" " " ".balign 8" " " "\n" " " ".quad" " " " 771b\n" " .byte " "%c[paravirt_typenum]" "\n" " .byte 772b-771b\n" " .short " "%c[paravirt_clobber]" "\n" ".popsection\n" "": "=a" (__eax): [paravirt_typenum] "i" ((unsigned long )((unsigned int )(& ((struct paravirt_patch_template *)0)->pv_irq_ops.irq_disable.func)) / sizeof(void *)), [paravirt_opptr] "i" (& pv_irq_ops.irq_disable.func), [paravirt_clobber] "i" (1): "memory", "cc"); [3420-3444] [2025-03-04 03:11:14,295 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("1:\tud2\n" ".pushsection __bug_table,\"a\"\n" "2:\t.long 1b - 2b, %c0 - 2b\n" "\t.word %c1, 0\n" "\t.org 2b+%c2\n" ".popsection": : "i" ("/anthill/stuff/tacas-comp/inst/current/envs/linux-3.0.1/linux-3.0.1/arch/x86/include/asm/paravirt.h"), "i" (868), "i" (sizeof(struct bug_entry ))); [3474-3480] [2025-03-04 03:11:14,296 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("" "771:\n\t" "call *%c[paravirt_opptr];" "\n" "772:\n" ".pushsection .parainstructions,\"a\"\n" " " ".balign 8" " " "\n" " " ".quad" " " " 771b\n" " .byte " "%c[paravirt_typenum]" "\n" " .byte 772b-771b\n" " .short " "%c[paravirt_clobber]" "\n" ".popsection\n" "": "=a" (__eax): [paravirt_typenum] "i" ((unsigned long )((unsigned int )(& ((struct paravirt_patch_template *)0)->pv_irq_ops.irq_enable.func)) / sizeof(void *)), [paravirt_opptr] "i" (& pv_irq_ops.irq_enable.func), [paravirt_clobber] "i" (1): "memory", "cc"); [3499-3523] [2025-03-04 03:11:14,421 WARN L250 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-3.0/usb_urb-drivers-misc-c2port-core.ko.cil.out.i[148506,148519] [2025-03-04 03:11:14,426 INFO L210 PostProcessor]: Analyzing one entry point: main [2025-03-04 03:11:14,473 INFO L204 MainTranslator]: Completed translation [2025-03-04 03:11:14,474 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.03 03:11:14 WrapperNode [2025-03-04 03:11:14,474 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2025-03-04 03:11:14,475 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2025-03-04 03:11:14,475 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2025-03-04 03:11:14,475 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2025-03-04 03:11:14,480 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.03 03:11:14" (1/1) ... [2025-03-04 03:11:14,515 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.03 03:11:14" (1/1) ... [2025-03-04 03:11:14,566 INFO L138 Inliner]: procedures = 105, calls = 783, calls flagged for inlining = 28, calls inlined = 10, statements flattened = 1105 [2025-03-04 03:11:14,566 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2025-03-04 03:11:14,567 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2025-03-04 03:11:14,567 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2025-03-04 03:11:14,567 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2025-03-04 03:11:14,573 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.03 03:11:14" (1/1) ... [2025-03-04 03:11:14,574 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.03 03:11:14" (1/1) ... [2025-03-04 03:11:14,582 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.03 03:11:14" (1/1) ... [2025-03-04 03:11:14,627 INFO L175 MemorySlicer]: Split 367 memory accesses to 15 slices as follows [2, 18, 9, 8, 2, 50, 8, 7, 32, 1, 185, 14, 7, 10, 14]. 50 percent of accesses are in the largest equivalence class. The 81 initializations are split as follows [2, 0, 0, 8, 0, 0, 8, 0, 32, 0, 0, 0, 7, 10, 14]. The 220 writes are split as follows [0, 18, 3, 0, 0, 50, 0, 3, 0, 0, 145, 1, 0, 0, 0]. [2025-03-04 03:11:14,627 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.03 03:11:14" (1/1) ... [2025-03-04 03:11:14,628 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.03 03:11:14" (1/1) ... [2025-03-04 03:11:14,666 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.03 03:11:14" (1/1) ... [2025-03-04 03:11:14,668 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.03 03:11:14" (1/1) ... [2025-03-04 03:11:14,677 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.03 03:11:14" (1/1) ... [2025-03-04 03:11:14,681 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.03 03:11:14" (1/1) ... [2025-03-04 03:11:14,691 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2025-03-04 03:11:14,691 INFO L112 PluginConnector]: ------------------------IcfgBuilder---------------------------- [2025-03-04 03:11:14,691 INFO L270 PluginConnector]: Initializing IcfgBuilder... [2025-03-04 03:11:14,692 INFO L274 PluginConnector]: IcfgBuilder initialized [2025-03-04 03:11:14,692 INFO L184 PluginConnector]: Executing the observer IcfgBuilderObserver from plugin IcfgBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.03 03:11:14" (1/1) ... [2025-03-04 03:11:14,696 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2025-03-04 03:11:14,705 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-03-04 03:11:14,718 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) [2025-03-04 03:11:14,721 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 [2025-03-04 03:11:14,740 INFO L130 BoogieDeclarations]: Found specification of procedure dev_get_drvdata [2025-03-04 03:11:14,741 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_get_drvdata [2025-03-04 03:11:14,741 INFO L130 BoogieDeclarations]: Found specification of procedure arch_local_irq_disable [2025-03-04 03:11:14,741 INFO L138 BoogieDeclarations]: Found implementation of procedure arch_local_irq_disable [2025-03-04 03:11:14,741 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#0 [2025-03-04 03:11:14,741 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#1 [2025-03-04 03:11:14,741 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#2 [2025-03-04 03:11:14,741 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#3 [2025-03-04 03:11:14,741 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#4 [2025-03-04 03:11:14,741 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#5 [2025-03-04 03:11:14,742 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#6 [2025-03-04 03:11:14,742 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#7 [2025-03-04 03:11:14,742 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#8 [2025-03-04 03:11:14,742 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#9 [2025-03-04 03:11:14,742 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#10 [2025-03-04 03:11:14,742 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#11 [2025-03-04 03:11:14,742 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#12 [2025-03-04 03:11:14,742 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#13 [2025-03-04 03:11:14,743 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#14 [2025-03-04 03:11:14,743 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#0 [2025-03-04 03:11:14,743 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#1 [2025-03-04 03:11:14,743 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#2 [2025-03-04 03:11:14,743 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#3 [2025-03-04 03:11:14,743 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#4 [2025-03-04 03:11:14,743 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#5 [2025-03-04 03:11:14,743 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#6 [2025-03-04 03:11:14,743 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#7 [2025-03-04 03:11:14,743 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#8 [2025-03-04 03:11:14,743 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#9 [2025-03-04 03:11:14,743 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#10 [2025-03-04 03:11:14,743 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#11 [2025-03-04 03:11:14,743 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#12 [2025-03-04 03:11:14,743 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#13 [2025-03-04 03:11:14,743 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#14 [2025-03-04 03:11:14,743 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#0 [2025-03-04 03:11:14,743 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#1 [2025-03-04 03:11:14,743 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#2 [2025-03-04 03:11:14,743 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#3 [2025-03-04 03:11:14,743 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#4 [2025-03-04 03:11:14,743 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#5 [2025-03-04 03:11:14,743 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#6 [2025-03-04 03:11:14,743 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#7 [2025-03-04 03:11:14,743 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#8 [2025-03-04 03:11:14,743 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#9 [2025-03-04 03:11:14,743 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#10 [2025-03-04 03:11:14,743 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#11 [2025-03-04 03:11:14,743 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#12 [2025-03-04 03:11:14,743 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#13 [2025-03-04 03:11:14,743 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#14 [2025-03-04 03:11:14,743 INFO L130 BoogieDeclarations]: Found specification of procedure c2port_read_dr [2025-03-04 03:11:14,744 INFO L138 BoogieDeclarations]: Found implementation of procedure c2port_read_dr [2025-03-04 03:11:14,744 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2025-03-04 03:11:14,744 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2025-03-04 03:11:14,744 INFO L130 BoogieDeclarations]: Found specification of procedure c2port_write_ar [2025-03-04 03:11:14,744 INFO L138 BoogieDeclarations]: Found implementation of procedure c2port_write_ar [2025-03-04 03:11:14,744 INFO L130 BoogieDeclarations]: Found specification of procedure trace_hardirqs_on [2025-03-04 03:11:14,744 INFO L138 BoogieDeclarations]: Found implementation of procedure trace_hardirqs_on [2025-03-04 03:11:14,744 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#0 [2025-03-04 03:11:14,744 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#1 [2025-03-04 03:11:14,744 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#2 [2025-03-04 03:11:14,744 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#3 [2025-03-04 03:11:14,744 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#4 [2025-03-04 03:11:14,744 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#5 [2025-03-04 03:11:14,744 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#6 [2025-03-04 03:11:14,744 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#7 [2025-03-04 03:11:14,744 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#8 [2025-03-04 03:11:14,744 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#9 [2025-03-04 03:11:14,744 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#10 [2025-03-04 03:11:14,744 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#11 [2025-03-04 03:11:14,744 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#12 [2025-03-04 03:11:14,744 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#13 [2025-03-04 03:11:14,744 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#14 [2025-03-04 03:11:14,744 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_unlock [2025-03-04 03:11:14,744 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_unlock [2025-03-04 03:11:14,744 INFO L130 BoogieDeclarations]: Found specification of procedure c2port_poll_out_ready [2025-03-04 03:11:14,744 INFO L138 BoogieDeclarations]: Found implementation of procedure c2port_poll_out_ready [2025-03-04 03:11:14,744 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2025-03-04 03:11:14,744 INFO L130 BoogieDeclarations]: Found specification of procedure arch_local_irq_enable [2025-03-04 03:11:14,744 INFO L138 BoogieDeclarations]: Found implementation of procedure arch_local_irq_enable [2025-03-04 03:11:14,744 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~int~TO~VOID [2025-03-04 03:11:14,744 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~int~TO~VOID [2025-03-04 03:11:14,746 INFO L130 BoogieDeclarations]: Found specification of procedure c2port_read_ar [2025-03-04 03:11:14,746 INFO L138 BoogieDeclarations]: Found implementation of procedure c2port_read_ar [2025-03-04 03:11:14,746 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2025-03-04 03:11:14,746 INFO L130 BoogieDeclarations]: Found specification of procedure __const_udelay [2025-03-04 03:11:14,746 INFO L138 BoogieDeclarations]: Found implementation of procedure __const_udelay [2025-03-04 03:11:14,746 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#0 [2025-03-04 03:11:14,747 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#1 [2025-03-04 03:11:14,747 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#2 [2025-03-04 03:11:14,747 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#3 [2025-03-04 03:11:14,747 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#4 [2025-03-04 03:11:14,748 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#5 [2025-03-04 03:11:14,748 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#6 [2025-03-04 03:11:14,748 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#7 [2025-03-04 03:11:14,748 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#8 [2025-03-04 03:11:14,748 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#9 [2025-03-04 03:11:14,748 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#10 [2025-03-04 03:11:14,748 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#11 [2025-03-04 03:11:14,748 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#12 [2025-03-04 03:11:14,748 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#13 [2025-03-04 03:11:14,748 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#14 [2025-03-04 03:11:14,748 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2025-03-04 03:11:14,748 INFO L130 BoogieDeclarations]: Found specification of procedure c2port_strobe_ck [2025-03-04 03:11:14,748 INFO L138 BoogieDeclarations]: Found implementation of procedure c2port_strobe_ck [2025-03-04 03:11:14,748 INFO L130 BoogieDeclarations]: Found specification of procedure trace_hardirqs_off [2025-03-04 03:11:14,748 INFO L138 BoogieDeclarations]: Found implementation of procedure trace_hardirqs_off [2025-03-04 03:11:14,748 INFO L130 BoogieDeclarations]: Found specification of procedure c2port_poll_in_busy [2025-03-04 03:11:14,748 INFO L138 BoogieDeclarations]: Found implementation of procedure c2port_poll_in_busy [2025-03-04 03:11:14,748 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~int [2025-03-04 03:11:14,748 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~int [2025-03-04 03:11:14,748 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#0 [2025-03-04 03:11:14,748 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#1 [2025-03-04 03:11:14,748 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#2 [2025-03-04 03:11:14,748 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#3 [2025-03-04 03:11:14,748 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#4 [2025-03-04 03:11:14,748 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#5 [2025-03-04 03:11:14,748 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#6 [2025-03-04 03:11:14,748 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#7 [2025-03-04 03:11:14,748 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#8 [2025-03-04 03:11:14,748 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#9 [2025-03-04 03:11:14,748 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#10 [2025-03-04 03:11:14,748 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#11 [2025-03-04 03:11:14,748 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#12 [2025-03-04 03:11:14,748 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#13 [2025-03-04 03:11:14,748 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#14 [2025-03-04 03:11:14,748 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_blast_assert [2025-03-04 03:11:14,748 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_blast_assert [2025-03-04 03:11:14,749 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2025-03-04 03:11:14,749 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#0 [2025-03-04 03:11:14,749 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#1 [2025-03-04 03:11:14,749 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#2 [2025-03-04 03:11:14,749 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#3 [2025-03-04 03:11:14,749 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#4 [2025-03-04 03:11:14,749 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#5 [2025-03-04 03:11:14,749 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#6 [2025-03-04 03:11:14,749 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#7 [2025-03-04 03:11:14,749 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#8 [2025-03-04 03:11:14,749 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#9 [2025-03-04 03:11:14,749 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#10 [2025-03-04 03:11:14,749 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#11 [2025-03-04 03:11:14,749 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#12 [2025-03-04 03:11:14,749 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#13 [2025-03-04 03:11:14,749 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#14 [2025-03-04 03:11:14,749 INFO L130 BoogieDeclarations]: Found specification of procedure printk [2025-03-04 03:11:14,749 INFO L138 BoogieDeclarations]: Found implementation of procedure printk [2025-03-04 03:11:14,749 INFO L130 BoogieDeclarations]: Found specification of procedure dev_err [2025-03-04 03:11:14,749 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_err [2025-03-04 03:11:14,749 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_lock_nested [2025-03-04 03:11:14,749 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_lock_nested [2025-03-04 03:11:14,749 INFO L130 BoogieDeclarations]: Found specification of procedure c2port_write_dr [2025-03-04 03:11:14,749 INFO L138 BoogieDeclarations]: Found implementation of procedure c2port_write_dr [2025-03-04 03:11:14,749 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2025-03-04 03:11:14,749 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#1 [2025-03-04 03:11:14,749 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#2 [2025-03-04 03:11:14,749 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#3 [2025-03-04 03:11:14,749 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#4 [2025-03-04 03:11:14,749 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#5 [2025-03-04 03:11:14,749 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#6 [2025-03-04 03:11:14,749 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#7 [2025-03-04 03:11:14,749 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#8 [2025-03-04 03:11:14,749 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#9 [2025-03-04 03:11:14,749 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#10 [2025-03-04 03:11:14,749 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#11 [2025-03-04 03:11:14,749 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#12 [2025-03-04 03:11:14,751 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#13 [2025-03-04 03:11:14,751 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#14 [2025-03-04 03:11:14,751 INFO L130 BoogieDeclarations]: Found specification of procedure c2port_exit [2025-03-04 03:11:14,751 INFO L138 BoogieDeclarations]: Found implementation of procedure c2port_exit [2025-03-04 03:11:14,751 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2025-03-04 03:11:14,751 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2025-03-04 03:11:14,751 INFO L130 BoogieDeclarations]: Found specification of procedure c2port_init [2025-03-04 03:11:14,752 INFO L138 BoogieDeclarations]: Found implementation of procedure c2port_init [2025-03-04 03:11:15,064 INFO L256 CfgBuilder]: Building ICFG [2025-03-04 03:11:15,067 INFO L286 CfgBuilder]: Building CFG for each procedure with an implementation [2025-03-04 03:11:15,093 INFO L1325 $ProcedureCfgBuilder]: dead code at ProgramPoint L5474: havoc #t~ret310.base, #t~ret310.offset; [2025-03-04 03:11:15,232 INFO L1325 $ProcedureCfgBuilder]: dead code at ProgramPoint L5442: havoc #t~malloc305.base, #t~malloc305.offset; [2025-03-04 03:11:15,286 INFO L1325 $ProcedureCfgBuilder]: dead code at ProgramPoint L3976: call ULTIMATE.dealloc(~#addr~1.base, ~#addr~1.offset);havoc ~#addr~1.base, ~#addr~1.offset; [2025-03-04 03:11:15,391 INFO L1325 $ProcedureCfgBuilder]: dead code at ProgramPoint L3937: call ULTIMATE.dealloc(~#addr~0.base, ~#addr~0.offset);havoc ~#addr~0.base, ~#addr~0.offset; [2025-03-04 03:11:15,400 INFO L1325 $ProcedureCfgBuilder]: dead code at ProgramPoint L5518: havoc #t~nondet317; [2025-03-04 03:11:15,405 INFO L1325 $ProcedureCfgBuilder]: dead code at ProgramPoint L5471: havoc #t~nondet309; [2025-03-04 03:11:22,084 INFO L1325 $ProcedureCfgBuilder]: dead code at ProgramPoint L4448: call ULTIMATE.dealloc(__c2port_read_flash_data_~#status~3#1.base, __c2port_read_flash_data_~#status~3#1.offset);havoc __c2port_read_flash_data_~#status~3#1.base, __c2port_read_flash_data_~#status~3#1.offset; [2025-03-04 03:11:22,084 INFO L1325 $ProcedureCfgBuilder]: dead code at ProgramPoint L5244: assume false; [2025-03-04 03:11:22,084 INFO L1325 $ProcedureCfgBuilder]: dead code at ProgramPoint L5244: assume !false; [2025-03-04 03:11:22,084 INFO L1325 $ProcedureCfgBuilder]: dead code at ProgramPoint L4606: call ULTIMATE.dealloc(__c2port_write_flash_data_~#status~4#1.base, __c2port_write_flash_data_~#status~4#1.offset);havoc __c2port_write_flash_data_~#status~4#1.base, __c2port_write_flash_data_~#status~4#1.offset; [2025-03-04 03:11:22,199 INFO L1325 $ProcedureCfgBuilder]: dead code at ProgramPoint L5445: havoc __class_create_#t~ret306#1.base, __class_create_#t~ret306#1.offset; [2025-03-04 03:11:22,299 INFO L? ?]: Removed 272 outVars from TransFormulas that were not future-live. [2025-03-04 03:11:22,299 INFO L307 CfgBuilder]: Performing block encoding [2025-03-04 03:11:22,318 INFO L331 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2025-03-04 03:11:22,318 INFO L336 CfgBuilder]: Removed 0 assume(true) statements. [2025-03-04 03:11:22,319 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 04.03 03:11:22 BoogieIcfgContainer [2025-03-04 03:11:22,319 INFO L131 PluginConnector]: ------------------------ END IcfgBuilder---------------------------- [2025-03-04 03:11:22,321 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2025-03-04 03:11:22,321 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2025-03-04 03:11:22,325 INFO L274 PluginConnector]: TraceAbstraction initialized [2025-03-04 03:11:22,325 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 04.03 03:11:13" (1/3) ... [2025-03-04 03:11:22,326 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4987cbdd and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 04.03 03:11:22, skipping insertion in model container [2025-03-04 03:11:22,326 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.03 03:11:14" (2/3) ... [2025-03-04 03:11:22,326 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4987cbdd and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 04.03 03:11:22, skipping insertion in model container [2025-03-04 03:11:22,326 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 04.03 03:11:22" (3/3) ... [2025-03-04 03:11:22,327 INFO L128 eAbstractionObserver]: Analyzing ICFG usb_urb-drivers-misc-c2port-core.ko.cil.out.i [2025-03-04 03:11:22,338 INFO L216 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2025-03-04 03:11:22,340 INFO L151 ceAbstractionStarter]: Applying trace abstraction to ICFG usb_urb-drivers-misc-c2port-core.ko.cil.out.i that has 24 procedures, 415 locations, 1 initial locations, 19 loop locations, and 1 error locations. [2025-03-04 03:11:22,397 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2025-03-04 03:11:22,407 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;@70114e00, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2025-03-04 03:11:22,407 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2025-03-04 03:11:22,415 INFO L276 IsEmpty]: Start isEmpty. Operand has 415 states, 277 states have (on average 1.3465703971119134) internal successors, (373), 283 states have internal predecessors, (373), 113 states have call successors, (113), 23 states have call predecessors, (113), 23 states have return successors, (113), 113 states have call predecessors, (113), 113 states have call successors, (113) [2025-03-04 03:11:22,420 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2025-03-04 03:11:22,421 INFO L210 NwaCegarLoop]: Found error trace [2025-03-04 03:11:22,421 INFO L218 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-03-04 03:11:22,421 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ldv_blast_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_blast_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2025-03-04 03:11:22,425 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-04 03:11:22,426 INFO L85 PathProgramCache]: Analyzing trace with hash -957190421, now seen corresponding path program 1 times [2025-03-04 03:11:22,431 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-04 03:11:22,432 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [199202464] [2025-03-04 03:11:22,432 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-04 03:11:22,432 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-04 03:11:25,490 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 26 statements into 1 equivalence classes. [2025-03-04 03:11:25,773 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 26 of 26 statements. [2025-03-04 03:11:25,777 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-04 03:11:25,777 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-04 03:11:27,332 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-03-04 03:11:27,332 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-04 03:11:27,332 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [199202464] [2025-03-04 03:11:27,333 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [199202464] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-04 03:11:27,333 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-04 03:11:27,333 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2025-03-04 03:11:27,334 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2119940247] [2025-03-04 03:11:27,334 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-04 03:11:27,336 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2025-03-04 03:11:27,337 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-04 03:11:27,350 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2025-03-04 03:11:27,350 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2025-03-04 03:11:27,352 INFO L87 Difference]: Start difference. First operand has 415 states, 277 states have (on average 1.3465703971119134) internal successors, (373), 283 states have internal predecessors, (373), 113 states have call successors, (113), 23 states have call predecessors, (113), 23 states have return successors, (113), 113 states have call predecessors, (113), 113 states have call successors, (113) Second operand has 6 states, 6 states have (on average 3.1666666666666665) internal successors, (19), 5 states have internal predecessors, (19), 2 states have call successors, (4), 2 states have call predecessors, (4), 3 states have return successors, (3), 3 states have call predecessors, (3), 1 states have call successors, (3) [2025-03-04 03:11:28,366 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-04 03:11:28,367 INFO L93 Difference]: Finished difference Result 1216 states and 1888 transitions. [2025-03-04 03:11:28,368 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2025-03-04 03:11:28,369 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 3.1666666666666665) internal successors, (19), 5 states have internal predecessors, (19), 2 states have call successors, (4), 2 states have call predecessors, (4), 3 states have return successors, (3), 3 states have call predecessors, (3), 1 states have call successors, (3) Word has length 26 [2025-03-04 03:11:28,369 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-03-04 03:11:28,386 INFO L225 Difference]: With dead ends: 1216 [2025-03-04 03:11:28,386 INFO L226 Difference]: Without dead ends: 793 [2025-03-04 03:11:28,394 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.7s TimeCoverageRelationStatistics Valid=21, Invalid=51, Unknown=0, NotChecked=0, Total=72 [2025-03-04 03:11:28,396 INFO L435 NwaCegarLoop]: 1095 mSDtfsCounter, 573 mSDsluCounter, 3832 mSDsCounter, 0 mSdLazyCounter, 49 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 575 SdHoareTripleChecker+Valid, 4927 SdHoareTripleChecker+Invalid, 51 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 49 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2025-03-04 03:11:28,396 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [575 Valid, 4927 Invalid, 51 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 49 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2025-03-04 03:11:28,413 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 793 states. [2025-03-04 03:11:28,499 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 793 to 779. [2025-03-04 03:11:28,502 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 779 states, 516 states have (on average 1.2713178294573644) internal successors, (656), 518 states have internal predecessors, (656), 219 states have call successors, (219), 42 states have call predecessors, (219), 43 states have return successors, (220), 219 states have call predecessors, (220), 217 states have call successors, (220) [2025-03-04 03:11:28,513 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 779 states to 779 states and 1095 transitions. [2025-03-04 03:11:28,516 INFO L78 Accepts]: Start accepts. Automaton has 779 states and 1095 transitions. Word has length 26 [2025-03-04 03:11:28,518 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-03-04 03:11:28,518 INFO L471 AbstractCegarLoop]: Abstraction has 779 states and 1095 transitions. [2025-03-04 03:11:28,518 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 3.1666666666666665) internal successors, (19), 5 states have internal predecessors, (19), 2 states have call successors, (4), 2 states have call predecessors, (4), 3 states have return successors, (3), 3 states have call predecessors, (3), 1 states have call successors, (3) [2025-03-04 03:11:28,518 INFO L276 IsEmpty]: Start isEmpty. Operand 779 states and 1095 transitions. [2025-03-04 03:11:28,519 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2025-03-04 03:11:28,520 INFO L210 NwaCegarLoop]: Found error trace [2025-03-04 03:11:28,520 INFO L218 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-03-04 03:11:28,520 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2025-03-04 03:11:28,520 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ldv_blast_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_blast_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2025-03-04 03:11:28,521 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-04 03:11:28,521 INFO L85 PathProgramCache]: Analyzing trace with hash -1968307671, now seen corresponding path program 1 times [2025-03-04 03:11:28,521 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-04 03:11:28,521 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1250273886] [2025-03-04 03:11:28,521 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-04 03:11:28,522 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-04 03:11:31,090 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 26 statements into 1 equivalence classes. [2025-03-04 03:11:31,158 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 26 of 26 statements. [2025-03-04 03:11:31,158 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-04 03:11:31,158 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-04 03:11:31,698 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-03-04 03:11:31,698 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-04 03:11:31,698 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1250273886] [2025-03-04 03:11:31,698 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1250273886] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-04 03:11:31,698 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-04 03:11:31,698 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2025-03-04 03:11:31,698 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [629298714] [2025-03-04 03:11:31,698 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-04 03:11:31,699 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2025-03-04 03:11:31,699 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-04 03:11:31,699 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2025-03-04 03:11:31,699 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2025-03-04 03:11:31,699 INFO L87 Difference]: Start difference. First operand 779 states and 1095 transitions. Second operand has 5 states, 5 states have (on average 3.8) internal successors, (19), 4 states have internal predecessors, (19), 2 states have call successors, (4), 2 states have call predecessors, (4), 2 states have return successors, (3), 2 states have call predecessors, (3), 1 states have call successors, (3) [2025-03-04 03:11:31,928 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-04 03:11:31,928 INFO L93 Difference]: Finished difference Result 786 states and 1102 transitions. [2025-03-04 03:11:31,929 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2025-03-04 03:11:31,932 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 3.8) internal successors, (19), 4 states have internal predecessors, (19), 2 states have call successors, (4), 2 states have call predecessors, (4), 2 states have return successors, (3), 2 states have call predecessors, (3), 1 states have call successors, (3) Word has length 26 [2025-03-04 03:11:31,932 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-03-04 03:11:31,939 INFO L225 Difference]: With dead ends: 786 [2025-03-04 03:11:31,939 INFO L226 Difference]: Without dead ends: 779 [2025-03-04 03:11:31,940 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2025-03-04 03:11:31,941 INFO L435 NwaCegarLoop]: 555 mSDtfsCounter, 0 mSDsluCounter, 1660 mSDsCounter, 0 mSdLazyCounter, 24 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 2215 SdHoareTripleChecker+Invalid, 24 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 24 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2025-03-04 03:11:31,941 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 2215 Invalid, 24 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 24 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2025-03-04 03:11:31,942 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 779 states. [2025-03-04 03:11:31,981 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 779 to 779. [2025-03-04 03:11:31,983 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 779 states, 516 states have (on average 1.2693798449612403) internal successors, (655), 518 states have internal predecessors, (655), 219 states have call successors, (219), 42 states have call predecessors, (219), 43 states have return successors, (220), 219 states have call predecessors, (220), 217 states have call successors, (220) [2025-03-04 03:11:31,990 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 779 states to 779 states and 1094 transitions. [2025-03-04 03:11:31,991 INFO L78 Accepts]: Start accepts. Automaton has 779 states and 1094 transitions. Word has length 26 [2025-03-04 03:11:31,992 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-03-04 03:11:31,992 INFO L471 AbstractCegarLoop]: Abstraction has 779 states and 1094 transitions. [2025-03-04 03:11:31,994 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 3.8) internal successors, (19), 4 states have internal predecessors, (19), 2 states have call successors, (4), 2 states have call predecessors, (4), 2 states have return successors, (3), 2 states have call predecessors, (3), 1 states have call successors, (3) [2025-03-04 03:11:31,994 INFO L276 IsEmpty]: Start isEmpty. Operand 779 states and 1094 transitions. [2025-03-04 03:11:31,994 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2025-03-04 03:11:31,995 INFO L210 NwaCegarLoop]: Found error trace [2025-03-04 03:11:31,995 INFO L218 NwaCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-03-04 03:11:31,995 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2025-03-04 03:11:31,995 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ldv_blast_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_blast_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2025-03-04 03:11:31,996 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-04 03:11:31,998 INFO L85 PathProgramCache]: Analyzing trace with hash 1819211208, now seen corresponding path program 1 times [2025-03-04 03:11:31,998 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-04 03:11:31,999 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2004000502] [2025-03-04 03:11:31,999 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-04 03:11:31,999 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-04 03:11:34,709 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 31 statements into 1 equivalence classes. [2025-03-04 03:11:34,804 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 31 of 31 statements. [2025-03-04 03:11:34,806 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-04 03:11:34,807 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-04 03:11:35,096 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2025-03-04 03:11:35,097 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-04 03:11:35,097 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2004000502] [2025-03-04 03:11:35,097 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2004000502] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-04 03:11:35,097 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-04 03:11:35,097 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2025-03-04 03:11:35,097 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [779852998] [2025-03-04 03:11:35,097 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-04 03:11:35,098 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2025-03-04 03:11:35,098 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-04 03:11:35,098 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2025-03-04 03:11:35,098 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-03-04 03:11:35,098 INFO L87 Difference]: Start difference. First operand 779 states and 1094 transitions. Second operand has 3 states, 3 states have (on average 6.666666666666667) internal successors, (20), 3 states have internal predecessors, (20), 3 states have call successors, (5), 2 states have call predecessors, (5), 1 states have return successors, (4), 2 states have call predecessors, (4), 2 states have call successors, (4) [2025-03-04 03:11:35,165 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-04 03:11:35,165 INFO L93 Difference]: Finished difference Result 781 states and 1095 transitions. [2025-03-04 03:11:35,166 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-03-04 03:11:35,166 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 6.666666666666667) internal successors, (20), 3 states have internal predecessors, (20), 3 states have call successors, (5), 2 states have call predecessors, (5), 1 states have return successors, (4), 2 states have call predecessors, (4), 2 states have call successors, (4) Word has length 31 [2025-03-04 03:11:35,166 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-03-04 03:11:35,172 INFO L225 Difference]: With dead ends: 781 [2025-03-04 03:11:35,173 INFO L226 Difference]: Without dead ends: 778 [2025-03-04 03:11:35,173 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-03-04 03:11:35,174 INFO L435 NwaCegarLoop]: 554 mSDtfsCounter, 551 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 4 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 551 SdHoareTripleChecker+Valid, 554 SdHoareTripleChecker+Invalid, 4 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 4 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2025-03-04 03:11:35,175 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [551 Valid, 554 Invalid, 4 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 4 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2025-03-04 03:11:35,176 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 778 states. [2025-03-04 03:11:35,212 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 778 to 778. [2025-03-04 03:11:35,217 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 778 states, 516 states have (on average 1.2674418604651163) internal successors, (654), 517 states have internal predecessors, (654), 218 states have call successors, (218), 42 states have call predecessors, (218), 43 states have return successors, (220), 219 states have call predecessors, (220), 217 states have call successors, (220) [2025-03-04 03:11:35,225 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 778 states to 778 states and 1092 transitions. [2025-03-04 03:11:35,226 INFO L78 Accepts]: Start accepts. Automaton has 778 states and 1092 transitions. Word has length 31 [2025-03-04 03:11:35,227 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-03-04 03:11:35,227 INFO L471 AbstractCegarLoop]: Abstraction has 778 states and 1092 transitions. [2025-03-04 03:11:35,227 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 6.666666666666667) internal successors, (20), 3 states have internal predecessors, (20), 3 states have call successors, (5), 2 states have call predecessors, (5), 1 states have return successors, (4), 2 states have call predecessors, (4), 2 states have call successors, (4) [2025-03-04 03:11:35,227 INFO L276 IsEmpty]: Start isEmpty. Operand 778 states and 1092 transitions. [2025-03-04 03:11:35,228 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2025-03-04 03:11:35,229 INFO L210 NwaCegarLoop]: Found error trace [2025-03-04 03:11:35,229 INFO L218 NwaCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-03-04 03:11:35,229 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2025-03-04 03:11:35,229 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ldv_blast_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_blast_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2025-03-04 03:11:35,230 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-04 03:11:35,230 INFO L85 PathProgramCache]: Analyzing trace with hash 560555629, now seen corresponding path program 1 times [2025-03-04 03:11:35,230 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-04 03:11:35,230 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [310755961] [2025-03-04 03:11:35,230 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-04 03:11:35,230 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-04 03:11:37,661 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 32 statements into 1 equivalence classes. [2025-03-04 03:11:37,751 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 32 of 32 statements. [2025-03-04 03:11:37,752 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-04 03:11:37,752 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-04 03:11:37,991 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2025-03-04 03:11:37,991 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-04 03:11:37,991 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [310755961] [2025-03-04 03:11:37,991 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [310755961] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-04 03:11:37,991 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-04 03:11:37,992 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2025-03-04 03:11:37,992 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1589791286] [2025-03-04 03:11:37,992 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-04 03:11:37,992 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2025-03-04 03:11:37,992 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-04 03:11:37,992 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2025-03-04 03:11:37,992 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-03-04 03:11:37,992 INFO L87 Difference]: Start difference. First operand 778 states and 1092 transitions. Second operand has 3 states, 3 states have (on average 7.0) internal successors, (21), 3 states have internal predecessors, (21), 3 states have call successors, (5), 2 states have call predecessors, (5), 1 states have return successors, (4), 2 states have call predecessors, (4), 2 states have call successors, (4) [2025-03-04 03:11:38,046 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-04 03:11:38,046 INFO L93 Difference]: Finished difference Result 778 states and 1092 transitions. [2025-03-04 03:11:38,047 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-03-04 03:11:38,047 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 7.0) internal successors, (21), 3 states have internal predecessors, (21), 3 states have call successors, (5), 2 states have call predecessors, (5), 1 states have return successors, (4), 2 states have call predecessors, (4), 2 states have call successors, (4) Word has length 32 [2025-03-04 03:11:38,047 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-03-04 03:11:38,048 INFO L225 Difference]: With dead ends: 778 [2025-03-04 03:11:38,049 INFO L226 Difference]: Without dead ends: 0 [2025-03-04 03:11:38,052 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-03-04 03:11:38,053 INFO L435 NwaCegarLoop]: 552 mSDtfsCounter, 547 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 3 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 547 SdHoareTripleChecker+Valid, 552 SdHoareTripleChecker+Invalid, 3 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 3 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2025-03-04 03:11:38,054 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [547 Valid, 552 Invalid, 3 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 3 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2025-03-04 03:11:38,055 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2025-03-04 03:11:38,056 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2025-03-04 03:11:38,056 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 0 states, 0 states have (on average 0.0) internal successors, (0), 0 states have internal predecessors, (0), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-03-04 03:11:38,056 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2025-03-04 03:11:38,057 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 32 [2025-03-04 03:11:38,057 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-03-04 03:11:38,057 INFO L471 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2025-03-04 03:11:38,057 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 7.0) internal successors, (21), 3 states have internal predecessors, (21), 3 states have call successors, (5), 2 states have call predecessors, (5), 1 states have return successors, (4), 2 states have call predecessors, (4), 2 states have call successors, (4) [2025-03-04 03:11:38,057 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2025-03-04 03:11:38,057 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2025-03-04 03:11:38,060 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ldv_blast_assertErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2025-03-04 03:11:38,060 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2025-03-04 03:11:38,062 INFO L422 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1] [2025-03-04 03:11:38,063 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2025-03-04 03:12:21,641 INFO L170 ceAbstractionStarter]: Computing trace abstraction results [2025-03-04 03:12:21,659 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 04.03 03:12:21 BoogieIcfgContainer [2025-03-04 03:12:21,660 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2025-03-04 03:12:21,660 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2025-03-04 03:12:21,660 INFO L270 PluginConnector]: Initializing Witness Printer... [2025-03-04 03:12:21,661 INFO L274 PluginConnector]: Witness Printer initialized [2025-03-04 03:12:21,661 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 04.03 03:11:22" (3/4) ... [2025-03-04 03:12:21,663 INFO L146 WitnessPrinter]: Generating witness for correct program [2025-03-04 03:12:21,670 INFO L385 IcfgBacktranslator]: Ignoring RootEdge to procedure c2port_read_ar [2025-03-04 03:12:21,671 INFO L385 IcfgBacktranslator]: Ignoring RootEdge to procedure c2port_read_dr [2025-03-04 03:12:21,671 INFO L385 IcfgBacktranslator]: Ignoring RootEdge to procedure dev_get_drvdata [2025-03-04 03:12:21,671 INFO L385 IcfgBacktranslator]: Ignoring RootEdge to procedure c2port_write_dr [2025-03-04 03:12:21,671 INFO L385 IcfgBacktranslator]: Ignoring RootEdge to procedure printk [2025-03-04 03:12:21,671 INFO L385 IcfgBacktranslator]: Ignoring RootEdge to procedure arch_local_irq_disable [2025-03-04 03:12:21,671 INFO L385 IcfgBacktranslator]: Ignoring RootEdge to procedure __const_udelay [2025-03-04 03:12:21,671 INFO L385 IcfgBacktranslator]: Ignoring RootEdge to procedure trace_hardirqs_on [2025-03-04 03:12:21,672 INFO L385 IcfgBacktranslator]: Ignoring RootEdge to procedure dev_err [2025-03-04 03:12:21,672 INFO L385 IcfgBacktranslator]: Ignoring RootEdge to procedure mutex_unlock [2025-03-04 03:12:21,672 INFO L385 IcfgBacktranslator]: Ignoring RootEdge to procedure ldv_malloc [2025-03-04 03:12:21,672 INFO L385 IcfgBacktranslator]: Ignoring RootEdge to procedure c2port_exit [2025-03-04 03:12:21,672 INFO L385 IcfgBacktranslator]: Ignoring RootEdge to procedure c2port_strobe_ck [2025-03-04 03:12:21,672 INFO L385 IcfgBacktranslator]: Ignoring RootEdge to procedure arch_local_irq_enable [2025-03-04 03:12:21,672 INFO L385 IcfgBacktranslator]: Ignoring RootEdge to procedure trace_hardirqs_off [2025-03-04 03:12:21,672 INFO L385 IcfgBacktranslator]: Ignoring RootEdge to procedure c2port_poll_out_ready [2025-03-04 03:12:21,672 INFO L385 IcfgBacktranslator]: Ignoring RootEdge to procedure ##fun~$Pointer$~X~int~TO~VOID [2025-03-04 03:12:21,673 INFO L385 IcfgBacktranslator]: Ignoring RootEdge to procedure c2port_write_ar [2025-03-04 03:12:21,673 INFO L385 IcfgBacktranslator]: Ignoring RootEdge to procedure c2port_poll_in_busy [2025-03-04 03:12:21,673 INFO L385 IcfgBacktranslator]: Ignoring RootEdge to procedure ##fun~$Pointer$~TO~int [2025-03-04 03:12:21,673 INFO L385 IcfgBacktranslator]: Ignoring RootEdge to procedure ldv_blast_assert [2025-03-04 03:12:21,673 INFO L385 IcfgBacktranslator]: Ignoring RootEdge to procedure mutex_lock_nested [2025-03-04 03:12:21,673 INFO L385 IcfgBacktranslator]: Ignoring RootEdge to procedure c2port_init [2025-03-04 03:12:21,687 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 120 nodes and edges [2025-03-04 03:12:21,689 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 44 nodes and edges [2025-03-04 03:12:21,690 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 15 nodes and edges [2025-03-04 03:12:21,691 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2025-03-04 03:12:21,692 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2025-03-04 03:12:21,693 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2025-03-04 03:12:21,694 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2025-03-04 03:12:21,898 INFO L149 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.graphml [2025-03-04 03:12:21,899 INFO L149 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.yml [2025-03-04 03:12:21,899 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2025-03-04 03:12:21,899 INFO L158 Benchmark]: Toolchain (without parser) took 68555.82ms. Allocated memory was 167.8MB in the beginning and 1.4GB in the end (delta: 1.3GB). Free memory was 116.2MB in the beginning and 881.5MB in the end (delta: -765.3MB). Peak memory consumption was 486.6MB. Max. memory is 16.1GB. [2025-03-04 03:12:21,900 INFO L158 Benchmark]: CDTParser took 0.26ms. Allocated memory is still 201.3MB. Free memory is still 115.8MB. There was no memory consumed. Max. memory is 16.1GB. [2025-03-04 03:12:21,900 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1128.75ms. Allocated memory is still 167.8MB. Free memory was 116.2MB in the beginning and 85.5MB in the end (delta: 30.8MB). Peak memory consumption was 101.6MB. Max. memory is 16.1GB. [2025-03-04 03:12:21,900 INFO L158 Benchmark]: Boogie Procedure Inliner took 91.15ms. Allocated memory is still 167.8MB. Free memory was 85.5MB in the beginning and 78.7MB in the end (delta: 6.7MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2025-03-04 03:12:21,900 INFO L158 Benchmark]: Boogie Preprocessor took 124.24ms. Allocated memory is still 167.8MB. Free memory was 78.7MB in the beginning and 64.5MB in the end (delta: 14.3MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2025-03-04 03:12:21,900 INFO L158 Benchmark]: IcfgBuilder took 7627.55ms. Allocated memory was 167.8MB in the beginning and 360.7MB in the end (delta: 192.9MB). Free memory was 64.5MB in the beginning and 237.9MB in the end (delta: -173.4MB). Peak memory consumption was 40.5MB. Max. memory is 16.1GB. [2025-03-04 03:12:21,900 INFO L158 Benchmark]: TraceAbstraction took 59339.04ms. Allocated memory was 360.7MB in the beginning and 1.4GB in the end (delta: 1.1GB). Free memory was 237.9MB in the beginning and 927.3MB in the end (delta: -689.5MB). Peak memory consumption was 375.3MB. Max. memory is 16.1GB. [2025-03-04 03:12:21,901 INFO L158 Benchmark]: Witness Printer took 238.51ms. Allocated memory is still 1.4GB. Free memory was 927.3MB in the beginning and 881.5MB in the end (delta: 45.9MB). Peak memory consumption was 41.9MB. Max. memory is 16.1GB. [2025-03-04 03:12:21,902 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.26ms. Allocated memory is still 201.3MB. Free memory is still 115.8MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1128.75ms. Allocated memory is still 167.8MB. Free memory was 116.2MB in the beginning and 85.5MB in the end (delta: 30.8MB). Peak memory consumption was 101.6MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 91.15ms. Allocated memory is still 167.8MB. Free memory was 85.5MB in the beginning and 78.7MB in the end (delta: 6.7MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Preprocessor took 124.24ms. Allocated memory is still 167.8MB. Free memory was 78.7MB in the beginning and 64.5MB in the end (delta: 14.3MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * IcfgBuilder took 7627.55ms. Allocated memory was 167.8MB in the beginning and 360.7MB in the end (delta: 192.9MB). Free memory was 64.5MB in the beginning and 237.9MB in the end (delta: -173.4MB). Peak memory consumption was 40.5MB. Max. memory is 16.1GB. * TraceAbstraction took 59339.04ms. Allocated memory was 360.7MB in the beginning and 1.4GB in the end (delta: 1.1GB). Free memory was 237.9MB in the beginning and 927.3MB in the end (delta: -689.5MB). Peak memory consumption was 375.3MB. Max. memory is 16.1GB. * Witness Printer took 238.51ms. Allocated memory is still 1.4GB. Free memory was 927.3MB in the beginning and 881.5MB in the end (delta: 45.9MB). Peak memory consumption was 41.9MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - GenericResultAtLocation [Line: 3395]: Unsoundness Warning Ignoring inline assembler instruction C: __asm__ volatile ("1:\tud2\n" ".pushsection __bug_table,\"a\"\n" "2:\t.long 1b - 2b, %c0 - 2b\n" "\t.word %c1, 0\n" "\t.org 2b+%c2\n" ".popsection": : "i" ("/anthill/stuff/tacas-comp/inst/current/envs/linux-3.0.1/linux-3.0.1/arch/x86/include/asm/paravirt.h"), "i" (863), "i" (sizeof(struct bug_entry ))); [3395-3401] - GenericResultAtLocation [Line: 3420]: Unsoundness Warning Ignoring inline assembler instruction C: __asm__ volatile ("" "771:\n\t" "call *%c[paravirt_opptr];" "\n" "772:\n" ".pushsection .parainstructions,\"a\"\n" " " ".balign 8" " " "\n" " " ".quad" " " " 771b\n" " .byte " "%c[paravirt_typenum]" "\n" " .byte 772b-771b\n" " .short " "%c[paravirt_clobber]" "\n" ".popsection\n" "": "=a" (__eax): [paravirt_typenum] "i" ((unsigned long )((unsigned int )(& ((struct paravirt_patch_template *)0)->pv_irq_ops.irq_disable.func)) / sizeof(void *)), [paravirt_opptr] "i" (& pv_irq_ops.irq_disable.func), [paravirt_clobber] "i" (1): "memory", "cc"); [3420-3444] - GenericResultAtLocation [Line: 3474]: Unsoundness Warning Ignoring inline assembler instruction C: __asm__ volatile ("1:\tud2\n" ".pushsection __bug_table,\"a\"\n" "2:\t.long 1b - 2b, %c0 - 2b\n" "\t.word %c1, 0\n" "\t.org 2b+%c2\n" ".popsection": : "i" ("/anthill/stuff/tacas-comp/inst/current/envs/linux-3.0.1/linux-3.0.1/arch/x86/include/asm/paravirt.h"), "i" (868), "i" (sizeof(struct bug_entry ))); [3474-3480] - GenericResultAtLocation [Line: 3499]: Unsoundness Warning Ignoring inline assembler instruction C: __asm__ volatile ("" "771:\n\t" "call *%c[paravirt_opptr];" "\n" "772:\n" ".pushsection .parainstructions,\"a\"\n" " " ".balign 8" " " "\n" " " ".quad" " " " 771b\n" " .byte " "%c[paravirt_typenum]" "\n" " .byte 772b-771b\n" " .short " "%c[paravirt_clobber]" "\n" ".popsection\n" "": "=a" (__eax): [paravirt_typenum] "i" ((unsigned long )((unsigned int )(& ((struct paravirt_patch_template *)0)->pv_irq_ops.irq_enable.func)) / sizeof(void *)), [paravirt_opptr] "i" (& pv_irq_ops.irq_enable.func), [paravirt_clobber] "i" (1): "memory", "cc"); [3499-3523] * 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: 5282]: 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 24 procedures, 415 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 15.7s, OverallIterations: 4, TraceHistogramMax: 2, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 1.4s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 1673 SdHoareTripleChecker+Valid, 0.7s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 1671 mSDsluCounter, 8248 SdHoareTripleChecker+Invalid, 0.7s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 5492 mSDsCounter, 2 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 80 IncrementalHoareTripleChecker+Invalid, 82 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 2 mSolverCounterUnsat, 2756 mSDtfsCounter, 80 mSolverCounterSat, 0.1s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 20 GetRequests, 8 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.9s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=779occurred in iteration=1, InterpolantAutomatonStates: 18, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.2s AutomataMinimizationTime, 4 MinimizatonAttempts, 14 StatesRemovedByMinimization, 1 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 0.6s SatisfiabilityAnalysisTime, 2.6s InterpolantComputationTime, 115 NumberOfCodeBlocks, 115 NumberOfCodeBlocksAsserted, 4 NumberOfCheckSat, 111 ConstructedInterpolants, 0 QuantifiedInterpolants, 179 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 4 InterpolantComputations, 4 PerfectInterpolantSequences, 6/6 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available, ConComCheckerStatistics: No data available - AllSpecificationsHoldResult: All specifications hold 1 specifications checked. All of them hold - InvariantResult [Line: 3472]: Location Invariant Derived location invariant: ((ldv_coherent_state == 0) && (ldv_urb_state == 0)) - InvariantResult [Line: 3910]: Location Invariant Derived location invariant: ((ldv_coherent_state == 0) && (ldv_urb_state == 0)) - InvariantResult [Line: 3685]: Location Invariant Derived location invariant: ((ldv_coherent_state == 0) && (ldv_urb_state == 0)) - InvariantResult [Line: 3385]: Location Invariant Derived location invariant: ((ldv_coherent_state == 0) && (ldv_urb_state == 0)) - InvariantResult [Line: 4696]: Location Invariant Derived location invariant: ((ldv_coherent_state == 0) && (ldv_urb_state == 0)) - InvariantResult [Line: 3982]: Location Invariant Derived location invariant: ((ldv_coherent_state == 0) && (ldv_urb_state == 0)) - InvariantResult [Line: 3758]: Location Invariant Derived location invariant: ((ldv_coherent_state == 0) && (ldv_urb_state == 0)) - InvariantResult [Line: 3464]: Location Invariant Derived location invariant: ((ldv_coherent_state == 0) && (ldv_urb_state == 0)) - InvariantResult [Line: 4542]: Location Invariant Derived location invariant: ((ldv_coherent_state == 0) && (ldv_urb_state == 0)) - InvariantResult [Line: 3668]: Location Invariant Derived location invariant: ((ldv_coherent_state == 0) && (ldv_urb_state == 0)) - InvariantResult [Line: 3943]: Location Invariant Derived location invariant: ((ldv_coherent_state == 0) && (ldv_urb_state == 0)) - InvariantResult [Line: 5225]: Location Invariant Derived location invariant: ((ldv_coherent_state == 0) && (ldv_urb_state == 0)) - InvariantResult [Line: 3482]: Location Invariant Derived location invariant: ((ldv_coherent_state == 0) && (ldv_urb_state == 0)) - InvariantResult [Line: 3805]: Location Invariant Derived location invariant: ((ldv_coherent_state == 0) && (ldv_urb_state == 0)) - InvariantResult [Line: 3403]: Location Invariant Derived location invariant: ((ldv_coherent_state == 0) && (ldv_urb_state == 0)) - InvariantResult [Line: 3393]: Location Invariant Derived location invariant: ((ldv_coherent_state == 0) && (ldv_urb_state == 0)) - InvariantResult [Line: 3881]: Location Invariant Derived location invariant: ((ldv_coherent_state == 0) && (ldv_urb_state == 0)) - InvariantResult [Line: 3717]: Location Invariant Derived location invariant: ((ldv_coherent_state == 0) && (ldv_urb_state == 0)) - InvariantResult [Line: 3826]: Location Invariant Derived location invariant: ((ldv_coherent_state == 0) && (ldv_urb_state == 0)) RESULT: Ultimate proved your program to be correct! [2025-03-04 03:12:21,993 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Ended with exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: TRUE