./Ultimate.py --spec /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/properties/unreach-call.prp --file /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-3.0/usb_urb-drivers-misc-c2port-core.ko.cil.out.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version fca748b1 Calling Ultimate with: /root/.sdkman/candidates/java/current/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-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 0.2.5-wip.dd.update-z3-fca748b-m [2024-11-20 10:21:09,330 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-20 10:21:09,402 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Default.epf [2024-11-20 10:21:09,406 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-20 10:21:09,407 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-20 10:21:09,433 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-20 10:21:09,434 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-20 10:21:09,434 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-20 10:21:09,434 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-20 10:21:09,435 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-20 10:21:09,435 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-20 10:21:09,436 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-20 10:21:09,436 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-20 10:21:09,436 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-20 10:21:09,437 INFO L153 SettingsManager]: * Use SBE=true [2024-11-20 10:21:09,437 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-20 10:21:09,438 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-20 10:21:09,438 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-20 10:21:09,438 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-20 10:21:09,439 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-20 10:21:09,439 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-20 10:21:09,440 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-20 10:21:09,440 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-20 10:21:09,440 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-20 10:21:09,441 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-20 10:21:09,441 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-20 10:21:09,441 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-20 10:21:09,442 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-20 10:21:09,442 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-20 10:21:09,442 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-20 10:21:09,443 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-20 10:21:09,443 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-20 10:21:09,443 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-20 10:21:09,444 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-11-20 10:21:09,444 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-20 10:21:09,444 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-20 10:21:09,445 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-20 10:21:09,445 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-20 10:21:09,445 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-20 10:21:09,445 INFO L153 SettingsManager]: * Looper check in Petri net analysis=SEMANTIC WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 623160d4598cd0ad84c7dc43ec65a6f971cb966f22ee32963f1c0c6e1de756e1 [2024-11-20 10:21:09,710 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-20 10:21:09,739 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-20 10:21:09,742 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-20 10:21:09,743 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-20 10:21:09,744 INFO L274 PluginConnector]: CDTParser initialized [2024-11-20 10:21:09,745 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-3.0/usb_urb-drivers-misc-c2port-core.ko.cil.out.i [2024-11-20 10:21:11,199 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-20 10:21:11,635 INFO L384 CDTParser]: Found 1 translation units. [2024-11-20 10:21:11,636 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 [2024-11-20 10:21:11,673 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/dbafd1c6b/fb183b944fb2474c8c72bbdaedefd65d/FLAG24a89b020 [2024-11-20 10:21:11,686 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/dbafd1c6b/fb183b944fb2474c8c72bbdaedefd65d [2024-11-20 10:21:11,688 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-20 10:21:11,690 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-20 10:21:11,691 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-20 10:21:11,691 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-20 10:21:11,697 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-20 10:21:11,698 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.11 10:21:11" (1/1) ... [2024-11-20 10:21:11,699 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1ebec3a1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 10:21:11, skipping insertion in model container [2024-11-20 10:21:11,699 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.11 10:21:11" (1/1) ... [2024-11-20 10:21:11,790 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-20 10:21:12,864 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] [2024-11-20 10:21:12,927 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-20 10:21:12,977 INFO L200 MainTranslator]: Completed pre-run [2024-11-20 10:21:13,121 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] [2024-11-20 10:21:13,123 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] [2024-11-20 10:21:13,126 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] [2024-11-20 10:21:13,127 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] [2024-11-20 10:21:13,217 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] [2024-11-20 10:21:13,224 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-20 10:21:13,299 INFO L204 MainTranslator]: Completed translation [2024-11-20 10:21:13,300 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 10:21:13 WrapperNode [2024-11-20 10:21:13,300 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-20 10:21:13,301 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-20 10:21:13,302 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-20 10:21:13,302 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-20 10:21:13,310 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 10:21:13" (1/1) ... [2024-11-20 10:21:13,366 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 10:21:13" (1/1) ... [2024-11-20 10:21:13,431 INFO L138 Inliner]: procedures = 105, calls = 783, calls flagged for inlining = 28, calls inlined = 10, statements flattened = 1122 [2024-11-20 10:21:13,431 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-20 10:21:13,432 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-20 10:21:13,432 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-20 10:21:13,432 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-20 10:21:13,447 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 10:21:13" (1/1) ... [2024-11-20 10:21:13,448 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 10:21:13" (1/1) ... [2024-11-20 10:21:13,466 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 10:21:13" (1/1) ... [2024-11-20 10:21:13,538 INFO L175 MemorySlicer]: Split 367 memory accesses to 15 slices as follows [2, 18, 8, 50, 8, 32, 14, 185, 1, 7, 9, 7, 10, 14, 2]. 50 percent of accesses are in the largest equivalence class. The 81 initializations are split as follows [2, 0, 8, 0, 8, 32, 0, 0, 0, 0, 0, 7, 10, 14, 0]. The 220 writes are split as follows [0, 18, 0, 50, 0, 0, 1, 145, 0, 3, 3, 0, 0, 0, 0]. [2024-11-20 10:21:13,538 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 10:21:13" (1/1) ... [2024-11-20 10:21:13,539 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 10:21:13" (1/1) ... [2024-11-20 10:21:13,617 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 10:21:13" (1/1) ... [2024-11-20 10:21:13,629 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 10:21:13" (1/1) ... [2024-11-20 10:21:13,646 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 10:21:13" (1/1) ... [2024-11-20 10:21:13,665 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 10:21:13" (1/1) ... [2024-11-20 10:21:13,685 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-20 10:21:13,686 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-20 10:21:13,686 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-20 10:21:13,687 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-20 10:21:13,687 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 10:21:13" (1/1) ... [2024-11-20 10:21:13,694 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-20 10:21:13,708 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-20 10:21:13,760 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-11-20 10:21:13,780 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-11-20 10:21:13,867 INFO L130 BoogieDeclarations]: Found specification of procedure dev_get_drvdata [2024-11-20 10:21:13,870 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_get_drvdata [2024-11-20 10:21:13,871 INFO L130 BoogieDeclarations]: Found specification of procedure arch_local_irq_disable [2024-11-20 10:21:13,872 INFO L138 BoogieDeclarations]: Found implementation of procedure arch_local_irq_disable [2024-11-20 10:21:13,873 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#0 [2024-11-20 10:21:13,873 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#1 [2024-11-20 10:21:13,874 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#2 [2024-11-20 10:21:13,874 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#3 [2024-11-20 10:21:13,876 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#4 [2024-11-20 10:21:13,876 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#5 [2024-11-20 10:21:13,876 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#6 [2024-11-20 10:21:13,876 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#7 [2024-11-20 10:21:13,877 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#8 [2024-11-20 10:21:13,877 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#9 [2024-11-20 10:21:13,877 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#10 [2024-11-20 10:21:13,877 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#11 [2024-11-20 10:21:13,877 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#12 [2024-11-20 10:21:13,877 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#13 [2024-11-20 10:21:13,877 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#14 [2024-11-20 10:21:13,878 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#0 [2024-11-20 10:21:13,878 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#1 [2024-11-20 10:21:13,878 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#2 [2024-11-20 10:21:13,878 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#3 [2024-11-20 10:21:13,878 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#4 [2024-11-20 10:21:13,878 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#5 [2024-11-20 10:21:13,878 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#6 [2024-11-20 10:21:13,878 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#7 [2024-11-20 10:21:13,878 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#8 [2024-11-20 10:21:13,878 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#9 [2024-11-20 10:21:13,878 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#10 [2024-11-20 10:21:13,879 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#11 [2024-11-20 10:21:13,879 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#12 [2024-11-20 10:21:13,879 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#13 [2024-11-20 10:21:13,879 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#14 [2024-11-20 10:21:13,879 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#0 [2024-11-20 10:21:13,879 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#1 [2024-11-20 10:21:13,880 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#2 [2024-11-20 10:21:13,880 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#3 [2024-11-20 10:21:13,880 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#4 [2024-11-20 10:21:13,881 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#5 [2024-11-20 10:21:13,881 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#6 [2024-11-20 10:21:13,881 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#7 [2024-11-20 10:21:13,881 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#8 [2024-11-20 10:21:13,881 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#9 [2024-11-20 10:21:13,882 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#10 [2024-11-20 10:21:13,882 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#11 [2024-11-20 10:21:13,882 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#12 [2024-11-20 10:21:13,882 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#13 [2024-11-20 10:21:13,882 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#14 [2024-11-20 10:21:13,882 INFO L130 BoogieDeclarations]: Found specification of procedure c2port_read_dr [2024-11-20 10:21:13,882 INFO L138 BoogieDeclarations]: Found implementation of procedure c2port_read_dr [2024-11-20 10:21:13,883 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2024-11-20 10:21:13,883 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2024-11-20 10:21:13,883 INFO L130 BoogieDeclarations]: Found specification of procedure c2port_write_ar [2024-11-20 10:21:13,883 INFO L138 BoogieDeclarations]: Found implementation of procedure c2port_write_ar [2024-11-20 10:21:13,883 INFO L130 BoogieDeclarations]: Found specification of procedure trace_hardirqs_on [2024-11-20 10:21:13,883 INFO L138 BoogieDeclarations]: Found implementation of procedure trace_hardirqs_on [2024-11-20 10:21:13,883 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#0 [2024-11-20 10:21:13,884 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#1 [2024-11-20 10:21:13,884 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#2 [2024-11-20 10:21:13,884 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#3 [2024-11-20 10:21:13,884 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#4 [2024-11-20 10:21:13,884 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#5 [2024-11-20 10:21:13,884 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#6 [2024-11-20 10:21:13,885 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#7 [2024-11-20 10:21:13,885 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#8 [2024-11-20 10:21:13,885 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#9 [2024-11-20 10:21:13,885 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#10 [2024-11-20 10:21:13,886 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#11 [2024-11-20 10:21:13,886 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#12 [2024-11-20 10:21:13,886 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#13 [2024-11-20 10:21:13,886 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#14 [2024-11-20 10:21:13,886 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_unlock [2024-11-20 10:21:13,886 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_unlock [2024-11-20 10:21:13,886 INFO L130 BoogieDeclarations]: Found specification of procedure c2port_poll_out_ready [2024-11-20 10:21:13,886 INFO L138 BoogieDeclarations]: Found implementation of procedure c2port_poll_out_ready [2024-11-20 10:21:13,887 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2024-11-20 10:21:13,887 INFO L130 BoogieDeclarations]: Found specification of procedure arch_local_irq_enable [2024-11-20 10:21:13,887 INFO L138 BoogieDeclarations]: Found implementation of procedure arch_local_irq_enable [2024-11-20 10:21:13,887 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~int~TO~VOID [2024-11-20 10:21:13,888 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~int~TO~VOID [2024-11-20 10:21:13,888 INFO L130 BoogieDeclarations]: Found specification of procedure c2port_read_ar [2024-11-20 10:21:13,888 INFO L138 BoogieDeclarations]: Found implementation of procedure c2port_read_ar [2024-11-20 10:21:13,888 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-20 10:21:13,888 INFO L130 BoogieDeclarations]: Found specification of procedure __const_udelay [2024-11-20 10:21:13,888 INFO L138 BoogieDeclarations]: Found implementation of procedure __const_udelay [2024-11-20 10:21:13,888 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#0 [2024-11-20 10:21:13,889 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#1 [2024-11-20 10:21:13,890 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#2 [2024-11-20 10:21:13,890 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#3 [2024-11-20 10:21:13,890 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#4 [2024-11-20 10:21:13,890 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#5 [2024-11-20 10:21:13,890 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#6 [2024-11-20 10:21:13,890 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#7 [2024-11-20 10:21:13,890 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#8 [2024-11-20 10:21:13,891 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#9 [2024-11-20 10:21:13,891 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#10 [2024-11-20 10:21:13,891 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#11 [2024-11-20 10:21:13,891 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#12 [2024-11-20 10:21:13,891 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#13 [2024-11-20 10:21:13,891 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#14 [2024-11-20 10:21:13,891 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2024-11-20 10:21:13,891 INFO L130 BoogieDeclarations]: Found specification of procedure c2port_strobe_ck [2024-11-20 10:21:13,891 INFO L138 BoogieDeclarations]: Found implementation of procedure c2port_strobe_ck [2024-11-20 10:21:13,891 INFO L130 BoogieDeclarations]: Found specification of procedure trace_hardirqs_off [2024-11-20 10:21:13,891 INFO L138 BoogieDeclarations]: Found implementation of procedure trace_hardirqs_off [2024-11-20 10:21:13,892 INFO L130 BoogieDeclarations]: Found specification of procedure c2port_poll_in_busy [2024-11-20 10:21:13,892 INFO L138 BoogieDeclarations]: Found implementation of procedure c2port_poll_in_busy [2024-11-20 10:21:13,892 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~int [2024-11-20 10:21:13,892 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~int [2024-11-20 10:21:13,892 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#0 [2024-11-20 10:21:13,892 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#1 [2024-11-20 10:21:13,892 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#2 [2024-11-20 10:21:13,893 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#3 [2024-11-20 10:21:13,893 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#4 [2024-11-20 10:21:13,893 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#5 [2024-11-20 10:21:13,893 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#6 [2024-11-20 10:21:13,893 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#7 [2024-11-20 10:21:13,893 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#8 [2024-11-20 10:21:13,894 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#9 [2024-11-20 10:21:13,894 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#10 [2024-11-20 10:21:13,895 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#11 [2024-11-20 10:21:13,895 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#12 [2024-11-20 10:21:13,895 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#13 [2024-11-20 10:21:13,895 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#14 [2024-11-20 10:21:13,895 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_blast_assert [2024-11-20 10:21:13,895 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_blast_assert [2024-11-20 10:21:13,895 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-11-20 10:21:13,895 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#0 [2024-11-20 10:21:13,896 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#1 [2024-11-20 10:21:13,896 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#2 [2024-11-20 10:21:13,896 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#3 [2024-11-20 10:21:13,897 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#4 [2024-11-20 10:21:13,897 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#5 [2024-11-20 10:21:13,897 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#6 [2024-11-20 10:21:13,897 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#7 [2024-11-20 10:21:13,897 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#8 [2024-11-20 10:21:13,897 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#9 [2024-11-20 10:21:13,898 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#10 [2024-11-20 10:21:13,898 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#11 [2024-11-20 10:21:13,898 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#12 [2024-11-20 10:21:13,898 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#13 [2024-11-20 10:21:13,898 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#14 [2024-11-20 10:21:13,898 INFO L130 BoogieDeclarations]: Found specification of procedure printk [2024-11-20 10:21:13,898 INFO L138 BoogieDeclarations]: Found implementation of procedure printk [2024-11-20 10:21:13,899 INFO L130 BoogieDeclarations]: Found specification of procedure dev_err [2024-11-20 10:21:13,899 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_err [2024-11-20 10:21:13,900 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_lock_nested [2024-11-20 10:21:13,900 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_lock_nested [2024-11-20 10:21:13,900 INFO L130 BoogieDeclarations]: Found specification of procedure c2port_write_dr [2024-11-20 10:21:13,901 INFO L138 BoogieDeclarations]: Found implementation of procedure c2port_write_dr [2024-11-20 10:21:13,901 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-11-20 10:21:13,902 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#1 [2024-11-20 10:21:13,902 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#2 [2024-11-20 10:21:13,902 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#3 [2024-11-20 10:21:13,902 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#4 [2024-11-20 10:21:13,902 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#5 [2024-11-20 10:21:13,902 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#6 [2024-11-20 10:21:13,902 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#7 [2024-11-20 10:21:13,903 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#8 [2024-11-20 10:21:13,903 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#9 [2024-11-20 10:21:13,903 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#10 [2024-11-20 10:21:13,904 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#11 [2024-11-20 10:21:13,904 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#12 [2024-11-20 10:21:13,904 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#13 [2024-11-20 10:21:13,904 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#14 [2024-11-20 10:21:13,904 INFO L130 BoogieDeclarations]: Found specification of procedure c2port_exit [2024-11-20 10:21:13,904 INFO L138 BoogieDeclarations]: Found implementation of procedure c2port_exit [2024-11-20 10:21:13,904 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-20 10:21:13,905 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-20 10:21:13,905 INFO L130 BoogieDeclarations]: Found specification of procedure c2port_init [2024-11-20 10:21:13,905 INFO L138 BoogieDeclarations]: Found implementation of procedure c2port_init [2024-11-20 10:21:14,290 INFO L238 CfgBuilder]: Building ICFG [2024-11-20 10:21:14,294 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-20 10:21:14,719 WARN L781 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2024-11-20 10:21:22,357 INFO L735 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##16: assume !false; [2024-11-20 10:21:22,357 INFO L735 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##15: assume false; [2024-11-20 10:21:22,644 INFO L? ?]: Removed 272 outVars from TransFormulas that were not future-live. [2024-11-20 10:21:22,644 INFO L287 CfgBuilder]: Performing block encoding [2024-11-20 10:21:22,685 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-20 10:21:22,686 INFO L316 CfgBuilder]: Removed 19 assume(true) statements. [2024-11-20 10:21:22,686 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 10:21:22 BoogieIcfgContainer [2024-11-20 10:21:22,686 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-20 10:21:22,692 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-20 10:21:22,692 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-20 10:21:22,696 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-20 10:21:22,697 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 20.11 10:21:11" (1/3) ... [2024-11-20 10:21:22,698 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@361b74da and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.11 10:21:22, skipping insertion in model container [2024-11-20 10:21:22,698 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 10:21:13" (2/3) ... [2024-11-20 10:21:22,699 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@361b74da and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.11 10:21:22, skipping insertion in model container [2024-11-20 10:21:22,700 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 10:21:22" (3/3) ... [2024-11-20 10:21:22,701 INFO L112 eAbstractionObserver]: Analyzing ICFG usb_urb-drivers-misc-c2port-core.ko.cil.out.i [2024-11-20 10:21:22,717 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-20 10:21:22,718 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2024-11-20 10:21:22,800 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-20 10:21:22,806 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;@4ee1438b, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-20 10:21:22,807 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-11-20 10:21:22,813 INFO L276 IsEmpty]: Start isEmpty. Operand has 416 states, 278 states have (on average 1.4136690647482015) internal successors, (393), 284 states have internal predecessors, (393), 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) [2024-11-20 10:21:22,819 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2024-11-20 10:21:22,819 INFO L207 NwaCegarLoop]: Found error trace [2024-11-20 10:21:22,820 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-20 10:21:22,820 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ldv_blast_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_blast_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-20 10:21:22,825 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-20 10:21:22,826 INFO L85 PathProgramCache]: Analyzing trace with hash -1018619141, now seen corresponding path program 1 times [2024-11-20 10:21:22,835 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-20 10:21:22,835 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [652186818] [2024-11-20 10:21:22,835 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-20 10:21:22,836 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-20 10:21:27,043 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 10:21:28,918 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-11-20 10:21:28,949 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 10:21:29,617 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-20 10:21:29,619 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 10:21:29,784 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-11-20 10:21:29,793 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 10:21:30,078 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-20 10:21:30,078 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-20 10:21:30,079 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [652186818] [2024-11-20 10:21:30,081 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [652186818] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-20 10:21:30,081 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-20 10:21:30,081 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2024-11-20 10:21:30,083 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1063956346] [2024-11-20 10:21:30,084 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-20 10:21:30,089 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2024-11-20 10:21:30,090 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-20 10:21:30,115 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2024-11-20 10:21:30,116 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=42, Unknown=0, NotChecked=0, Total=56 [2024-11-20 10:21:30,121 INFO L87 Difference]: Start difference. First operand has 416 states, 278 states have (on average 1.4136690647482015) internal successors, (393), 284 states have internal predecessors, (393), 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 8 states, 8 states have (on average 2.375) internal successors, (19), 5 states have internal predecessors, (19), 2 states have call successors, (4), 4 states have call predecessors, (4), 3 states have return successors, (3), 3 states have call predecessors, (3), 1 states have call successors, (3) [2024-11-20 10:21:34,202 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.07s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-20 10:21:38,538 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-20 10:22:14,927 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-20 10:22:14,927 INFO L93 Difference]: Finished difference Result 1229 states and 1961 transitions. [2024-11-20 10:22:14,930 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-11-20 10:22:14,931 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 2.375) internal successors, (19), 5 states have internal predecessors, (19), 2 states have call successors, (4), 4 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 [2024-11-20 10:22:14,932 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-20 10:22:14,963 INFO L225 Difference]: With dead ends: 1229 [2024-11-20 10:22:14,964 INFO L226 Difference]: Without dead ends: 813 [2024-11-20 10:22:14,978 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 19 GetRequests, 8 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 8 ImplicationChecksByTransitivity, 3.1s TimeCoverageRelationStatistics Valid=46, Invalid=110, Unknown=0, NotChecked=0, Total=156 [2024-11-20 10:22:14,983 INFO L432 NwaCegarLoop]: 504 mSDtfsCounter, 819 mSDsluCounter, 1988 mSDsCounter, 0 mSdLazyCounter, 2962 mSolverCounterSat, 373 mSolverCounterUnsat, 2 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 41.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 911 SdHoareTripleChecker+Valid, 2492 SdHoareTripleChecker+Invalid, 3337 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 373 IncrementalHoareTripleChecker+Valid, 2962 IncrementalHoareTripleChecker+Invalid, 2 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 42.2s IncrementalHoareTripleChecker+Time [2024-11-20 10:22:14,984 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [911 Valid, 2492 Invalid, 3337 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [373 Valid, 2962 Invalid, 2 Unknown, 0 Unchecked, 42.2s Time] [2024-11-20 10:22:15,006 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 813 states. [2024-11-20 10:22:15,143 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 813 to 789. [2024-11-20 10:22:15,147 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 789 states, 526 states have (on average 1.2661596958174905) internal successors, (666), 528 states have internal predecessors, (666), 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) [2024-11-20 10:22:15,159 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 789 states to 789 states and 1105 transitions. [2024-11-20 10:22:15,164 INFO L78 Accepts]: Start accepts. Automaton has 789 states and 1105 transitions. Word has length 26 [2024-11-20 10:22:15,164 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-20 10:22:15,165 INFO L471 AbstractCegarLoop]: Abstraction has 789 states and 1105 transitions. [2024-11-20 10:22:15,166 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 2.375) internal successors, (19), 5 states have internal predecessors, (19), 2 states have call successors, (4), 4 states have call predecessors, (4), 3 states have return successors, (3), 3 states have call predecessors, (3), 1 states have call successors, (3) [2024-11-20 10:22:15,167 INFO L276 IsEmpty]: Start isEmpty. Operand 789 states and 1105 transitions. [2024-11-20 10:22:15,168 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2024-11-20 10:22:15,168 INFO L207 NwaCegarLoop]: Found error trace [2024-11-20 10:22:15,168 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-20 10:22:15,168 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-11-20 10:22:15,169 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ldv_blast_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_blast_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-20 10:22:15,169 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-20 10:22:15,171 INFO L85 PathProgramCache]: Analyzing trace with hash -1524177766, now seen corresponding path program 1 times [2024-11-20 10:22:15,171 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-20 10:22:15,171 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1520892042] [2024-11-20 10:22:15,171 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-20 10:22:15,171 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-20 10:22:18,431 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 10:22:19,499 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-11-20 10:22:19,508 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 10:22:19,685 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-20 10:22:19,687 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 10:22:19,839 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-11-20 10:22:19,842 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 10:22:19,849 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-20 10:22:19,849 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-20 10:22:19,849 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1520892042] [2024-11-20 10:22:19,850 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1520892042] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-20 10:22:19,850 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-20 10:22:19,850 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2024-11-20 10:22:19,850 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [889263533] [2024-11-20 10:22:19,851 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-20 10:22:19,853 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-11-20 10:22:19,855 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-20 10:22:19,856 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-11-20 10:22:19,857 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2024-11-20 10:22:19,857 INFO L87 Difference]: Start difference. First operand 789 states and 1105 transitions. Second operand has 7 states, 7 states have (on average 2.7142857142857144) internal successors, (19), 4 states have internal predecessors, (19), 2 states have call successors, (4), 4 states have call predecessors, (4), 2 states have return successors, (3), 2 states have call predecessors, (3), 1 states have call successors, (3) [2024-11-20 10:22:23,900 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 [] [2024-11-20 10:22:28,228 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.32s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers []