./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 8fc3dc66 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-?-8fc3dc6-m [2025-03-17 07:29:43,291 INFO L188 SettingsManager]: Resetting all preferences to default values... [2025-03-17 07:29:43,350 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Default.epf [2025-03-17 07:29:43,354 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2025-03-17 07:29:43,354 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2025-03-17 07:29:43,377 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2025-03-17 07:29:43,378 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2025-03-17 07:29:43,378 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2025-03-17 07:29:43,378 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2025-03-17 07:29:43,378 INFO L153 SettingsManager]: * Use memory slicer=true [2025-03-17 07:29:43,378 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2025-03-17 07:29:43,378 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2025-03-17 07:29:43,379 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2025-03-17 07:29:43,379 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2025-03-17 07:29:43,379 INFO L153 SettingsManager]: * Use SBE=true [2025-03-17 07:29:43,379 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2025-03-17 07:29:43,379 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2025-03-17 07:29:43,379 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2025-03-17 07:29:43,379 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2025-03-17 07:29:43,379 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2025-03-17 07:29:43,379 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2025-03-17 07:29:43,379 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2025-03-17 07:29:43,380 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2025-03-17 07:29:43,380 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2025-03-17 07:29:43,380 INFO L153 SettingsManager]: * Use constant arrays=true [2025-03-17 07:29:43,380 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2025-03-17 07:29:43,380 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2025-03-17 07:29:43,380 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2025-03-17 07:29:43,380 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2025-03-17 07:29:43,380 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2025-03-17 07:29:43,380 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2025-03-17 07:29:43,380 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2025-03-17 07:29:43,380 INFO L153 SettingsManager]: * Compute procedure contracts=false [2025-03-17 07:29:43,380 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2025-03-17 07:29:43,380 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2025-03-17 07:29:43,380 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2025-03-17 07:29:43,381 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2025-03-17 07:29:43,381 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2025-03-17 07:29:43,381 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2025-03-17 07:29:43,381 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2025-03-17 07:29:43,381 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 [2025-03-17 07:29:43,608 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2025-03-17 07:29:43,617 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2025-03-17 07:29:43,618 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2025-03-17 07:29:43,619 INFO L270 PluginConnector]: Initializing CDTParser... [2025-03-17 07:29:43,619 INFO L274 PluginConnector]: CDTParser initialized [2025-03-17 07:29:43,620 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/ldv-linux-3.0/usb_urb-drivers-misc-c2port-core.ko.cil.out.i [2025-03-17 07:29:44,849 INFO L533 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/fb9d72142/89ca353b8fe34c0199d03a8a9ec3b202/FLAGb18a588da [2025-03-17 07:29:45,369 INFO L384 CDTParser]: Found 1 translation units. [2025-03-17 07:29:45,371 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-3.0/usb_urb-drivers-misc-c2port-core.ko.cil.out.i [2025-03-17 07:29:45,398 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/fb9d72142/89ca353b8fe34c0199d03a8a9ec3b202/FLAGb18a588da [2025-03-17 07:29:45,484 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/fb9d72142/89ca353b8fe34c0199d03a8a9ec3b202 [2025-03-17 07:29:45,487 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2025-03-17 07:29:45,488 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2025-03-17 07:29:45,489 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2025-03-17 07:29:45,489 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2025-03-17 07:29:45,493 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2025-03-17 07:29:45,494 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 17.03 07:29:45" (1/1) ... [2025-03-17 07:29:45,495 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@fda3124 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.03 07:29:45, skipping insertion in model container [2025-03-17 07:29:45,495 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 17.03 07:29:45" (1/1) ... [2025-03-17 07:29:45,557 INFO L175 MainTranslator]: Built tables and reachable declarations [2025-03-17 07:29:46,354 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] [2025-03-17 07:29:46,392 INFO L210 PostProcessor]: Analyzing one entry point: main [2025-03-17 07:29:46,435 INFO L200 MainTranslator]: Completed pre-run [2025-03-17 07:29:46,501 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] [2025-03-17 07:29:46,503 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] [2025-03-17 07:29:46,506 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] [2025-03-17 07:29:46,506 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] [2025-03-17 07:29:46,633 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] [2025-03-17 07:29:46,641 INFO L210 PostProcessor]: Analyzing one entry point: main [2025-03-17 07:29:46,703 INFO L204 MainTranslator]: Completed translation [2025-03-17 07:29:46,704 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.03 07:29:46 WrapperNode [2025-03-17 07:29:46,705 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2025-03-17 07:29:46,706 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2025-03-17 07:29:46,706 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2025-03-17 07:29:46,706 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2025-03-17 07:29:46,712 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.03 07:29:46" (1/1) ... [2025-03-17 07:29:46,751 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.03 07:29:46" (1/1) ... [2025-03-17 07:29:46,817 INFO L138 Inliner]: procedures = 105, calls = 783, calls flagged for inlining = 28, calls inlined = 10, statements flattened = 1105 [2025-03-17 07:29:46,817 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2025-03-17 07:29:46,819 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2025-03-17 07:29:46,819 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2025-03-17 07:29:46,819 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2025-03-17 07:29:46,825 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.03 07:29:46" (1/1) ... [2025-03-17 07:29:46,827 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.03 07:29:46" (1/1) ... [2025-03-17 07:29:46,842 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.03 07:29:46" (1/1) ... [2025-03-17 07:29:46,901 INFO L175 MemorySlicer]: Split 367 memory accesses to 15 slices as follows [2, 18, 8, 50, 9, 8, 7, 2, 185, 32, 14, 7, 10, 14, 1]. 50 percent of accesses are in the largest equivalence class. The 81 initializations are split as follows [2, 0, 8, 0, 0, 8, 0, 0, 0, 32, 0, 7, 10, 14, 0]. The 220 writes are split as follows [0, 18, 0, 50, 3, 0, 3, 0, 145, 0, 1, 0, 0, 0, 0]. [2025-03-17 07:29:46,901 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.03 07:29:46" (1/1) ... [2025-03-17 07:29:46,901 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.03 07:29:46" (1/1) ... [2025-03-17 07:29:46,950 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.03 07:29:46" (1/1) ... [2025-03-17 07:29:46,961 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.03 07:29:46" (1/1) ... [2025-03-17 07:29:47,014 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.03 07:29:46" (1/1) ... [2025-03-17 07:29:47,025 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.03 07:29:46" (1/1) ... [2025-03-17 07:29:47,033 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2025-03-17 07:29:47,037 INFO L112 PluginConnector]: ------------------------IcfgBuilder---------------------------- [2025-03-17 07:29:47,037 INFO L270 PluginConnector]: Initializing IcfgBuilder... [2025-03-17 07:29:47,037 INFO L274 PluginConnector]: IcfgBuilder initialized [2025-03-17 07:29:47,038 INFO L184 PluginConnector]: Executing the observer IcfgBuilderObserver from plugin IcfgBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.03 07:29:46" (1/1) ... [2025-03-17 07:29:47,043 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2025-03-17 07:29:47,055 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-03-17 07:29:47,066 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) [2025-03-17 07:29:47,072 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 [2025-03-17 07:29:47,090 INFO L130 BoogieDeclarations]: Found specification of procedure dev_get_drvdata [2025-03-17 07:29:47,090 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_get_drvdata [2025-03-17 07:29:47,090 INFO L130 BoogieDeclarations]: Found specification of procedure arch_local_irq_disable [2025-03-17 07:29:47,090 INFO L138 BoogieDeclarations]: Found implementation of procedure arch_local_irq_disable [2025-03-17 07:29:47,091 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#0 [2025-03-17 07:29:47,091 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#1 [2025-03-17 07:29:47,091 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#2 [2025-03-17 07:29:47,091 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#3 [2025-03-17 07:29:47,091 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#4 [2025-03-17 07:29:47,091 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#5 [2025-03-17 07:29:47,091 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#6 [2025-03-17 07:29:47,091 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#7 [2025-03-17 07:29:47,091 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#8 [2025-03-17 07:29:47,091 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#9 [2025-03-17 07:29:47,091 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#10 [2025-03-17 07:29:47,091 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#11 [2025-03-17 07:29:47,092 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#12 [2025-03-17 07:29:47,092 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#13 [2025-03-17 07:29:47,092 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#14 [2025-03-17 07:29:47,092 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#0 [2025-03-17 07:29:47,092 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#1 [2025-03-17 07:29:47,092 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#2 [2025-03-17 07:29:47,092 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#3 [2025-03-17 07:29:47,092 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#4 [2025-03-17 07:29:47,093 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#5 [2025-03-17 07:29:47,093 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#6 [2025-03-17 07:29:47,093 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#7 [2025-03-17 07:29:47,093 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#8 [2025-03-17 07:29:47,093 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#9 [2025-03-17 07:29:47,093 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#10 [2025-03-17 07:29:47,093 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#11 [2025-03-17 07:29:47,093 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#12 [2025-03-17 07:29:47,093 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#13 [2025-03-17 07:29:47,094 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#14 [2025-03-17 07:29:47,094 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#0 [2025-03-17 07:29:47,094 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#1 [2025-03-17 07:29:47,094 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#2 [2025-03-17 07:29:47,094 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#3 [2025-03-17 07:29:47,095 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#4 [2025-03-17 07:29:47,095 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#5 [2025-03-17 07:29:47,095 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#6 [2025-03-17 07:29:47,095 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#7 [2025-03-17 07:29:47,095 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#8 [2025-03-17 07:29:47,095 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#9 [2025-03-17 07:29:47,095 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#10 [2025-03-17 07:29:47,095 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#11 [2025-03-17 07:29:47,095 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#12 [2025-03-17 07:29:47,095 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#13 [2025-03-17 07:29:47,095 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#14 [2025-03-17 07:29:47,095 INFO L130 BoogieDeclarations]: Found specification of procedure c2port_read_dr [2025-03-17 07:29:47,095 INFO L138 BoogieDeclarations]: Found implementation of procedure c2port_read_dr [2025-03-17 07:29:47,095 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2025-03-17 07:29:47,095 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2025-03-17 07:29:47,095 INFO L130 BoogieDeclarations]: Found specification of procedure c2port_write_ar [2025-03-17 07:29:47,095 INFO L138 BoogieDeclarations]: Found implementation of procedure c2port_write_ar [2025-03-17 07:29:47,095 INFO L130 BoogieDeclarations]: Found specification of procedure trace_hardirqs_on [2025-03-17 07:29:47,095 INFO L138 BoogieDeclarations]: Found implementation of procedure trace_hardirqs_on [2025-03-17 07:29:47,095 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#0 [2025-03-17 07:29:47,095 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#1 [2025-03-17 07:29:47,095 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#2 [2025-03-17 07:29:47,095 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#3 [2025-03-17 07:29:47,095 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#4 [2025-03-17 07:29:47,095 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#5 [2025-03-17 07:29:47,095 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#6 [2025-03-17 07:29:47,095 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#7 [2025-03-17 07:29:47,095 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#8 [2025-03-17 07:29:47,095 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#9 [2025-03-17 07:29:47,095 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#10 [2025-03-17 07:29:47,095 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#11 [2025-03-17 07:29:47,095 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#12 [2025-03-17 07:29:47,095 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#13 [2025-03-17 07:29:47,095 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#14 [2025-03-17 07:29:47,095 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_unlock [2025-03-17 07:29:47,095 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_unlock [2025-03-17 07:29:47,096 INFO L130 BoogieDeclarations]: Found specification of procedure c2port_poll_out_ready [2025-03-17 07:29:47,096 INFO L138 BoogieDeclarations]: Found implementation of procedure c2port_poll_out_ready [2025-03-17 07:29:47,096 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2025-03-17 07:29:47,096 INFO L130 BoogieDeclarations]: Found specification of procedure arch_local_irq_enable [2025-03-17 07:29:47,096 INFO L138 BoogieDeclarations]: Found implementation of procedure arch_local_irq_enable [2025-03-17 07:29:47,096 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~int~TO~VOID [2025-03-17 07:29:47,096 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~int~TO~VOID [2025-03-17 07:29:47,096 INFO L130 BoogieDeclarations]: Found specification of procedure c2port_read_ar [2025-03-17 07:29:47,096 INFO L138 BoogieDeclarations]: Found implementation of procedure c2port_read_ar [2025-03-17 07:29:47,096 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2025-03-17 07:29:47,096 INFO L130 BoogieDeclarations]: Found specification of procedure __const_udelay [2025-03-17 07:29:47,096 INFO L138 BoogieDeclarations]: Found implementation of procedure __const_udelay [2025-03-17 07:29:47,096 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#0 [2025-03-17 07:29:47,096 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#1 [2025-03-17 07:29:47,096 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#2 [2025-03-17 07:29:47,096 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#3 [2025-03-17 07:29:47,096 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#4 [2025-03-17 07:29:47,096 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#5 [2025-03-17 07:29:47,096 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#6 [2025-03-17 07:29:47,096 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#7 [2025-03-17 07:29:47,096 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#8 [2025-03-17 07:29:47,096 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#9 [2025-03-17 07:29:47,096 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#10 [2025-03-17 07:29:47,096 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#11 [2025-03-17 07:29:47,096 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#12 [2025-03-17 07:29:47,096 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#13 [2025-03-17 07:29:47,096 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#14 [2025-03-17 07:29:47,096 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2025-03-17 07:29:47,096 INFO L130 BoogieDeclarations]: Found specification of procedure c2port_strobe_ck [2025-03-17 07:29:47,096 INFO L138 BoogieDeclarations]: Found implementation of procedure c2port_strobe_ck [2025-03-17 07:29:47,096 INFO L130 BoogieDeclarations]: Found specification of procedure trace_hardirqs_off [2025-03-17 07:29:47,096 INFO L138 BoogieDeclarations]: Found implementation of procedure trace_hardirqs_off [2025-03-17 07:29:47,096 INFO L130 BoogieDeclarations]: Found specification of procedure c2port_poll_in_busy [2025-03-17 07:29:47,096 INFO L138 BoogieDeclarations]: Found implementation of procedure c2port_poll_in_busy [2025-03-17 07:29:47,096 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~int [2025-03-17 07:29:47,099 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~int [2025-03-17 07:29:47,099 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#0 [2025-03-17 07:29:47,099 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#1 [2025-03-17 07:29:47,099 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#2 [2025-03-17 07:29:47,099 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#3 [2025-03-17 07:29:47,099 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#4 [2025-03-17 07:29:47,099 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#5 [2025-03-17 07:29:47,099 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#6 [2025-03-17 07:29:47,099 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#7 [2025-03-17 07:29:47,099 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#8 [2025-03-17 07:29:47,099 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#9 [2025-03-17 07:29:47,099 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#10 [2025-03-17 07:29:47,100 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#11 [2025-03-17 07:29:47,100 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#12 [2025-03-17 07:29:47,100 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#13 [2025-03-17 07:29:47,100 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#14 [2025-03-17 07:29:47,100 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_blast_assert [2025-03-17 07:29:47,100 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_blast_assert [2025-03-17 07:29:47,101 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2025-03-17 07:29:47,101 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#0 [2025-03-17 07:29:47,101 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#1 [2025-03-17 07:29:47,101 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#2 [2025-03-17 07:29:47,101 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#3 [2025-03-17 07:29:47,101 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#4 [2025-03-17 07:29:47,101 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#5 [2025-03-17 07:29:47,101 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#6 [2025-03-17 07:29:47,101 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#7 [2025-03-17 07:29:47,101 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#8 [2025-03-17 07:29:47,101 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#9 [2025-03-17 07:29:47,102 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#10 [2025-03-17 07:29:47,102 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#11 [2025-03-17 07:29:47,102 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#12 [2025-03-17 07:29:47,102 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#13 [2025-03-17 07:29:47,102 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#14 [2025-03-17 07:29:47,102 INFO L130 BoogieDeclarations]: Found specification of procedure printk [2025-03-17 07:29:47,102 INFO L138 BoogieDeclarations]: Found implementation of procedure printk [2025-03-17 07:29:47,102 INFO L130 BoogieDeclarations]: Found specification of procedure dev_err [2025-03-17 07:29:47,102 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_err [2025-03-17 07:29:47,102 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_lock_nested [2025-03-17 07:29:47,102 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_lock_nested [2025-03-17 07:29:47,102 INFO L130 BoogieDeclarations]: Found specification of procedure c2port_write_dr [2025-03-17 07:29:47,102 INFO L138 BoogieDeclarations]: Found implementation of procedure c2port_write_dr [2025-03-17 07:29:47,102 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2025-03-17 07:29:47,102 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#1 [2025-03-17 07:29:47,102 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#2 [2025-03-17 07:29:47,102 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#3 [2025-03-17 07:29:47,102 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#4 [2025-03-17 07:29:47,102 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#5 [2025-03-17 07:29:47,102 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#6 [2025-03-17 07:29:47,102 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#7 [2025-03-17 07:29:47,102 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#8 [2025-03-17 07:29:47,102 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#9 [2025-03-17 07:29:47,102 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#10 [2025-03-17 07:29:47,102 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#11 [2025-03-17 07:29:47,102 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#12 [2025-03-17 07:29:47,102 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#13 [2025-03-17 07:29:47,102 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#14 [2025-03-17 07:29:47,102 INFO L130 BoogieDeclarations]: Found specification of procedure c2port_exit [2025-03-17 07:29:47,102 INFO L138 BoogieDeclarations]: Found implementation of procedure c2port_exit [2025-03-17 07:29:47,102 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2025-03-17 07:29:47,102 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2025-03-17 07:29:47,103 INFO L130 BoogieDeclarations]: Found specification of procedure c2port_init [2025-03-17 07:29:47,103 INFO L138 BoogieDeclarations]: Found implementation of procedure c2port_init [2025-03-17 07:29:47,402 INFO L256 CfgBuilder]: Building ICFG [2025-03-17 07:29:47,405 INFO L286 CfgBuilder]: Building CFG for each procedure with an implementation [2025-03-17 07:29:47,455 INFO L1322 $ProcedureCfgBuilder]: dead code at ProgramPoint L5474: havoc #t~ret310.base, #t~ret310.offset; [2025-03-17 07:29:47,581 INFO L1322 $ProcedureCfgBuilder]: dead code at ProgramPoint L5442: havoc #t~malloc305.base, #t~malloc305.offset; [2025-03-17 07:29:47,639 INFO L1322 $ProcedureCfgBuilder]: dead code at ProgramPoint L3976: call ULTIMATE.dealloc(~#addr~1.base, ~#addr~1.offset);havoc ~#addr~1.base, ~#addr~1.offset; [2025-03-17 07:29:47,747 INFO L1322 $ProcedureCfgBuilder]: dead code at ProgramPoint L3937: call ULTIMATE.dealloc(~#addr~0.base, ~#addr~0.offset);havoc ~#addr~0.base, ~#addr~0.offset; [2025-03-17 07:29:47,757 INFO L1322 $ProcedureCfgBuilder]: dead code at ProgramPoint L5518: havoc #t~nondet317; [2025-03-17 07:29:47,761 INFO L1322 $ProcedureCfgBuilder]: dead code at ProgramPoint L5471: havoc #t~nondet309; [2025-03-17 07:29:54,772 INFO L1322 $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; [2025-03-17 07:29:54,772 INFO L1322 $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; [2025-03-17 07:29:54,773 INFO L1322 $ProcedureCfgBuilder]: dead code at ProgramPoint L5244: assume false; [2025-03-17 07:29:54,773 INFO L1322 $ProcedureCfgBuilder]: dead code at ProgramPoint L5244: assume !false; [2025-03-17 07:29:54,932 INFO L1322 $ProcedureCfgBuilder]: dead code at ProgramPoint L5445: havoc __class_create_#t~ret306#1.base, __class_create_#t~ret306#1.offset; [2025-03-17 07:29:55,044 INFO L? ?]: Removed 268 outVars from TransFormulas that were not future-live. [2025-03-17 07:29:55,044 INFO L307 CfgBuilder]: Performing block encoding [2025-03-17 07:29:55,067 INFO L331 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2025-03-17 07:29:55,067 INFO L336 CfgBuilder]: Removed 0 assume(true) statements. [2025-03-17 07:29:55,067 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 17.03 07:29:55 BoogieIcfgContainer [2025-03-17 07:29:55,067 INFO L131 PluginConnector]: ------------------------ END IcfgBuilder---------------------------- [2025-03-17 07:29:55,069 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2025-03-17 07:29:55,069 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2025-03-17 07:29:55,072 INFO L274 PluginConnector]: TraceAbstraction initialized [2025-03-17 07:29:55,076 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 17.03 07:29:45" (1/3) ... [2025-03-17 07:29:55,077 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@67464e75 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 17.03 07:29:55, skipping insertion in model container [2025-03-17 07:29:55,077 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.03 07:29:46" (2/3) ... [2025-03-17 07:29:55,077 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@67464e75 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 17.03 07:29:55, skipping insertion in model container [2025-03-17 07:29:55,077 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 17.03 07:29:55" (3/3) ... [2025-03-17 07:29:55,078 INFO L128 eAbstractionObserver]: Analyzing ICFG usb_urb-drivers-misc-c2port-core.ko.cil.out.i [2025-03-17 07:29:55,088 INFO L216 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2025-03-17 07:29:55,090 INFO L151 ceAbstractionStarter]: Applying trace abstraction to ICFG usb_urb-drivers-misc-c2port-core.ko.cil.out.i that has 24 procedures, 389 locations, 1 initial locations, 17 loop locations, and 1 error locations. [2025-03-17 07:29:55,152 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2025-03-17 07:29:55,163 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;@17b3a046, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2025-03-17 07:29:55,163 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2025-03-17 07:29:55,169 INFO L276 IsEmpty]: Start isEmpty. Operand has 389 states, 257 states have (on average 1.350194552529183) internal successors, (347), 257 states have internal predecessors, (347), 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) [2025-03-17 07:29:55,174 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2025-03-17 07:29:55,175 INFO L210 NwaCegarLoop]: Found error trace [2025-03-17 07:29:55,175 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] [2025-03-17 07:29:55,176 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ldv_blast_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_blast_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2025-03-17 07:29:55,180 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-17 07:29:55,180 INFO L85 PathProgramCache]: Analyzing trace with hash -797511377, now seen corresponding path program 1 times [2025-03-17 07:29:55,187 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-17 07:29:55,187 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [489543497] [2025-03-17 07:29:55,187 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-17 07:29:55,188 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-17 07:29:58,387 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 24 statements into 1 equivalence classes. [2025-03-17 07:29:58,777 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 24 of 24 statements. [2025-03-17 07:29:58,778 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-17 07:29:58,778 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-17 07:30:00,753 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-03-17 07:30:00,753 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-17 07:30:00,753 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [489543497] [2025-03-17 07:30:00,754 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [489543497] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-17 07:30:00,755 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-17 07:30:00,755 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2025-03-17 07:30:00,756 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1212334342] [2025-03-17 07:30:00,756 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-17 07:30:00,759 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2025-03-17 07:30:00,760 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-17 07:30:00,776 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2025-03-17 07:30:00,776 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2025-03-17 07:30:00,780 INFO L87 Difference]: Start difference. First operand has 389 states, 257 states have (on average 1.350194552529183) internal successors, (347), 257 states have internal predecessors, (347), 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 2.8333333333333335) internal successors, (17), 5 states have internal predecessors, (17), 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) [2025-03-17 07:30:01,761 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-17 07:30:01,763 INFO L93 Difference]: Finished difference Result 1142 states and 1814 transitions. [2025-03-17 07:30:01,764 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2025-03-17 07:30:01,765 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 2.8333333333333335) internal successors, (17), 5 states have internal predecessors, (17), 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 24 [2025-03-17 07:30:01,765 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-03-17 07:30:01,783 INFO L225 Difference]: With dead ends: 1142 [2025-03-17 07:30:01,783 INFO L226 Difference]: Without dead ends: 757 [2025-03-17 07:30:01,795 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 [2025-03-17 07:30:01,800 INFO L435 NwaCegarLoop]: 1046 mSDtfsCounter, 547 mSDsluCounter, 3662 mSDsCounter, 0 mSdLazyCounter, 44 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 549 SdHoareTripleChecker+Valid, 4708 SdHoareTripleChecker+Invalid, 46 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 44 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2025-03-17 07:30:01,802 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [549 Valid, 4708 Invalid, 46 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 44 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2025-03-17 07:30:01,822 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 757 states. [2025-03-17 07:30:01,903 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 757 to 744. [2025-03-17 07:30:01,905 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 744 states, 481 states have (on average 1.291060291060291) internal successors, (621), 483 states have internal predecessors, (621), 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) [2025-03-17 07:30:01,921 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 744 states to 744 states and 1060 transitions. [2025-03-17 07:30:01,927 INFO L78 Accepts]: Start accepts. Automaton has 744 states and 1060 transitions. Word has length 24 [2025-03-17 07:30:01,927 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-03-17 07:30:01,927 INFO L471 AbstractCegarLoop]: Abstraction has 744 states and 1060 transitions. [2025-03-17 07:30:01,927 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 2.8333333333333335) internal successors, (17), 5 states have internal predecessors, (17), 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) [2025-03-17 07:30:01,928 INFO L276 IsEmpty]: Start isEmpty. Operand 744 states and 1060 transitions. [2025-03-17 07:30:01,929 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2025-03-17 07:30:01,929 INFO L210 NwaCegarLoop]: Found error trace [2025-03-17 07:30:01,929 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] [2025-03-17 07:30:01,929 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2025-03-17 07:30:01,929 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ldv_blast_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_blast_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2025-03-17 07:30:01,931 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-17 07:30:01,931 INFO L85 PathProgramCache]: Analyzing trace with hash -1808628627, now seen corresponding path program 1 times [2025-03-17 07:30:01,932 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-17 07:30:01,932 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [692957558] [2025-03-17 07:30:01,932 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-17 07:30:01,932 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-17 07:30:05,038 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 24 statements into 1 equivalence classes. [2025-03-17 07:30:05,104 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 24 of 24 statements. [2025-03-17 07:30:05,105 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-17 07:30:05,105 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-17 07:30:05,661 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-03-17 07:30:05,661 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-17 07:30:05,661 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [692957558] [2025-03-17 07:30:05,661 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [692957558] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-17 07:30:05,661 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-17 07:30:05,661 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2025-03-17 07:30:05,661 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1187389243] [2025-03-17 07:30:05,661 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-17 07:30:05,662 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2025-03-17 07:30:05,663 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-17 07:30:05,663 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2025-03-17 07:30:05,663 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2025-03-17 07:30:05,663 INFO L87 Difference]: Start difference. First operand 744 states and 1060 transitions. Second operand has 5 states, 5 states have (on average 3.4) internal successors, (17), 4 states have internal predecessors, (17), 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) [2025-03-17 07:30:09,710 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.04s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2025-03-17 07:30:14,153 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.44s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2025-03-17 07:30:14,942 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-17 07:30:14,942 INFO L93 Difference]: Finished difference Result 751 states and 1067 transitions. [2025-03-17 07:30:14,945 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2025-03-17 07:30:14,945 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 3.4) internal successors, (17), 4 states have internal predecessors, (17), 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 24 [2025-03-17 07:30:14,946 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-03-17 07:30:14,954 INFO L225 Difference]: With dead ends: 751 [2025-03-17 07:30:14,954 INFO L226 Difference]: Without dead ends: 744 [2025-03-17 07:30:14,959 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2025-03-17 07:30:14,959 INFO L435 NwaCegarLoop]: 536 mSDtfsCounter, 0 mSDsluCounter, 1603 mSDsCounter, 0 mSdLazyCounter, 22 mSolverCounterSat, 0 mSolverCounterUnsat, 2 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 8.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 2139 SdHoareTripleChecker+Invalid, 24 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 22 IncrementalHoareTripleChecker+Invalid, 2 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 9.2s IncrementalHoareTripleChecker+Time [2025-03-17 07:30:14,959 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 2139 Invalid, 24 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 22 Invalid, 2 Unknown, 0 Unchecked, 9.2s Time] [2025-03-17 07:30:14,961 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 744 states. [2025-03-17 07:30:15,009 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 744 to 744. [2025-03-17 07:30:15,011 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 744 states, 481 states have (on average 1.288981288981289) internal successors, (620), 483 states have internal predecessors, (620), 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) [2025-03-17 07:30:15,017 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 744 states to 744 states and 1059 transitions. [2025-03-17 07:30:15,018 INFO L78 Accepts]: Start accepts. Automaton has 744 states and 1059 transitions. Word has length 24 [2025-03-17 07:30:15,019 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-03-17 07:30:15,019 INFO L471 AbstractCegarLoop]: Abstraction has 744 states and 1059 transitions. [2025-03-17 07:30:15,019 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 3.4) internal successors, (17), 4 states have internal predecessors, (17), 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) [2025-03-17 07:30:15,019 INFO L276 IsEmpty]: Start isEmpty. Operand 744 states and 1059 transitions. [2025-03-17 07:30:15,020 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2025-03-17 07:30:15,020 INFO L210 NwaCegarLoop]: Found error trace [2025-03-17 07:30:15,020 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] [2025-03-17 07:30:15,020 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2025-03-17 07:30:15,020 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ldv_blast_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_blast_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2025-03-17 07:30:15,021 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-17 07:30:15,021 INFO L85 PathProgramCache]: Analyzing trace with hash -87045886, now seen corresponding path program 1 times [2025-03-17 07:30:15,021 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-17 07:30:15,021 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1722253807] [2025-03-17 07:30:15,021 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-17 07:30:15,021 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-17 07:30:17,774 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 29 statements into 1 equivalence classes. [2025-03-17 07:30:17,840 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 29 of 29 statements. [2025-03-17 07:30:17,840 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-17 07:30:17,840 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-17 07:30:18,095 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2025-03-17 07:30:18,096 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-17 07:30:18,096 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1722253807] [2025-03-17 07:30:18,096 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1722253807] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-17 07:30:18,097 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-17 07:30:18,097 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2025-03-17 07:30:18,097 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1511031649] [2025-03-17 07:30:18,097 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-17 07:30:18,097 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2025-03-17 07:30:18,097 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-17 07:30:18,098 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2025-03-17 07:30:18,098 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-03-17 07:30:18,098 INFO L87 Difference]: Start difference. First operand 744 states and 1059 transitions. Second operand has 3 states, 3 states have (on average 6.0) internal successors, (18), 3 states have internal predecessors, (18), 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) [2025-03-17 07:30:18,167 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-17 07:30:18,167 INFO L93 Difference]: Finished difference Result 746 states and 1060 transitions. [2025-03-17 07:30:18,168 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-03-17 07:30:18,168 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 6.0) internal successors, (18), 3 states have internal predecessors, (18), 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 29 [2025-03-17 07:30:18,168 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-03-17 07:30:18,173 INFO L225 Difference]: With dead ends: 746 [2025-03-17 07:30:18,173 INFO L226 Difference]: Without dead ends: 743 [2025-03-17 07:30:18,174 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 [2025-03-17 07:30:18,175 INFO L435 NwaCegarLoop]: 535 mSDtfsCounter, 534 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 4 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 534 SdHoareTripleChecker+Valid, 535 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 [2025-03-17 07:30:18,176 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [534 Valid, 535 Invalid, 4 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 4 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2025-03-17 07:30:18,177 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 743 states. [2025-03-17 07:30:18,211 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 743 to 743. [2025-03-17 07:30:18,212 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 743 states, 481 states have (on average 1.2869022869022868) internal successors, (619), 482 states have internal predecessors, (619), 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) [2025-03-17 07:30:18,217 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 743 states to 743 states and 1057 transitions. [2025-03-17 07:30:18,219 INFO L78 Accepts]: Start accepts. Automaton has 743 states and 1057 transitions. Word has length 29 [2025-03-17 07:30:18,219 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-03-17 07:30:18,219 INFO L471 AbstractCegarLoop]: Abstraction has 743 states and 1057 transitions. [2025-03-17 07:30:18,219 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 6.0) internal successors, (18), 3 states have internal predecessors, (18), 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) [2025-03-17 07:30:18,219 INFO L276 IsEmpty]: Start isEmpty. Operand 743 states and 1057 transitions. [2025-03-17 07:30:18,220 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2025-03-17 07:30:18,220 INFO L210 NwaCegarLoop]: Found error trace [2025-03-17 07:30:18,220 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] [2025-03-17 07:30:18,220 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2025-03-17 07:30:18,220 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ldv_blast_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_blast_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2025-03-17 07:30:18,220 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-17 07:30:18,221 INFO L85 PathProgramCache]: Analyzing trace with hash 1596134136, now seen corresponding path program 1 times [2025-03-17 07:30:18,221 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-17 07:30:18,221 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1108067986] [2025-03-17 07:30:18,221 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-17 07:30:18,221 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-17 07:30:20,995 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 30 statements into 1 equivalence classes. [2025-03-17 07:30:21,083 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 30 of 30 statements. [2025-03-17 07:30:21,083 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-17 07:30:21,084 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-17 07:30:21,405 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2025-03-17 07:30:21,405 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-17 07:30:21,405 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1108067986] [2025-03-17 07:30:21,405 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1108067986] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-17 07:30:21,405 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-17 07:30:21,405 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2025-03-17 07:30:21,405 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2070052138] [2025-03-17 07:30:21,405 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-17 07:30:21,406 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2025-03-17 07:30:21,406 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-17 07:30:21,406 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2025-03-17 07:30:21,406 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-03-17 07:30:21,406 INFO L87 Difference]: Start difference. First operand 743 states and 1057 transitions. Second operand has 3 states, 3 states have (on average 6.333333333333333) internal successors, (19), 3 states have internal predecessors, (19), 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) [2025-03-17 07:30:21,463 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-17 07:30:21,464 INFO L93 Difference]: Finished difference Result 743 states and 1057 transitions. [2025-03-17 07:30:21,464 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-03-17 07:30:21,464 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 6.333333333333333) internal successors, (19), 3 states have internal predecessors, (19), 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 30 [2025-03-17 07:30:21,464 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-03-17 07:30:21,465 INFO L225 Difference]: With dead ends: 743 [2025-03-17 07:30:21,465 INFO L226 Difference]: Without dead ends: 0 [2025-03-17 07:30:21,468 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 [2025-03-17 07:30:21,469 INFO L435 NwaCegarLoop]: 533 mSDtfsCounter, 530 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 3 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 530 SdHoareTripleChecker+Valid, 533 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 [2025-03-17 07:30:21,469 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [530 Valid, 533 Invalid, 3 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 3 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2025-03-17 07:30:21,470 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2025-03-17 07:30:21,470 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2025-03-17 07:30:21,470 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) [2025-03-17 07:30:21,470 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2025-03-17 07:30:21,471 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 30 [2025-03-17 07:30:21,471 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-03-17 07:30:21,471 INFO L471 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2025-03-17 07:30:21,471 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 6.333333333333333) internal successors, (19), 3 states have internal predecessors, (19), 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) [2025-03-17 07:30:21,471 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2025-03-17 07:30:21,471 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2025-03-17 07:30:21,473 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ldv_blast_assertErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2025-03-17 07:30:21,474 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2025-03-17 07:30:21,475 INFO L422 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1] [2025-03-17 07:30:21,477 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions.