./Ultimate.py --spec /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/properties/unreach-call.prp --file /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-08_1a-drivers--char--agp--amd64-agp.ko-entry_point.cil.out.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version a046e57d Calling Ultimate with: /root/.sdkman/candidates/java/current/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-08_1a-drivers--char--agp--amd64-agp.ko-entry_point.cil.out.i -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 64bit --witnessprinter.graph.data.programhash e3ad79c73c7c36539d3c26bfe8df446634cd4736d8e3f680a88d06ab7ac88dc6 --- Real Ultimate output --- This is Ultimate 0.2.5-tmp.dk.eval-mul-div-a046e57-m [2024-10-13 08:07:19,674 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-10-13 08:07:19,775 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Default.epf [2024-10-13 08:07:19,783 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-10-13 08:07:19,784 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-10-13 08:07:19,810 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-10-13 08:07:19,812 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-10-13 08:07:19,813 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-10-13 08:07:19,813 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-10-13 08:07:19,814 INFO L153 SettingsManager]: * Use memory slicer=true [2024-10-13 08:07:19,815 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-10-13 08:07:19,815 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-10-13 08:07:19,816 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-10-13 08:07:19,816 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-10-13 08:07:19,816 INFO L153 SettingsManager]: * Use SBE=true [2024-10-13 08:07:19,817 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-10-13 08:07:19,817 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-10-13 08:07:19,818 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-10-13 08:07:19,818 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-10-13 08:07:19,818 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-10-13 08:07:19,822 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-10-13 08:07:19,823 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-10-13 08:07:19,823 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-10-13 08:07:19,823 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-10-13 08:07:19,824 INFO L153 SettingsManager]: * Use constant arrays=true [2024-10-13 08:07:19,824 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-10-13 08:07:19,824 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-10-13 08:07:19,824 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-10-13 08:07:19,825 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-10-13 08:07:19,825 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-10-13 08:07:19,825 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-10-13 08:07:19,825 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-10-13 08:07:19,825 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-10-13 08:07:19,826 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-10-13 08:07:19,826 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-10-13 08:07:19,826 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-10-13 08:07:19,827 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-10-13 08:07:19,827 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-10-13 08:07:19,827 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-10-13 08:07:19,828 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> e3ad79c73c7c36539d3c26bfe8df446634cd4736d8e3f680a88d06ab7ac88dc6 [2024-10-13 08:07:20,050 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-10-13 08:07:20,077 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-10-13 08:07:20,081 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-10-13 08:07:20,082 INFO L270 PluginConnector]: Initializing CDTParser... [2024-10-13 08:07:20,082 INFO L274 PluginConnector]: CDTParser initialized [2024-10-13 08:07:20,084 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-08_1a-drivers--char--agp--amd64-agp.ko-entry_point.cil.out.i [2024-10-13 08:07:21,573 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-10-13 08:07:21,950 INFO L384 CDTParser]: Found 1 translation units. [2024-10-13 08:07:21,951 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-08_1a-drivers--char--agp--amd64-agp.ko-entry_point.cil.out.i [2024-10-13 08:07:21,988 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/f0ceb2a97/3a60cfb54efb40a684ab43ea6a927c11/FLAG67a31deb7 [2024-10-13 08:07:22,006 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/f0ceb2a97/3a60cfb54efb40a684ab43ea6a927c11 [2024-10-13 08:07:22,009 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-10-13 08:07:22,011 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-10-13 08:07:22,013 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-10-13 08:07:22,014 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-10-13 08:07:22,020 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-10-13 08:07:22,020 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.10 08:07:22" (1/1) ... [2024-10-13 08:07:22,021 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@f3ba68c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 08:07:22, skipping insertion in model container [2024-10-13 08:07:22,021 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.10 08:07:22" (1/1) ... [2024-10-13 08:07:22,164 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-10-13 08:07:22,890 WARN L248 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-08_1a-drivers--char--agp--amd64-agp.ko-entry_point.cil.out.i[118202,118215] [2024-10-13 08:07:22,932 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-10-13 08:07:22,966 INFO L200 MainTranslator]: Completed pre-run [2024-10-13 08:07:23,042 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("661:\n\tcall __sw_hweight32\n662:\n.skip -(((6651f-6641f)-(662b-661b)) > 0) * ((6651f-6641f)-(662b-661b)),0x90\n663:\n.pushsection .altinstructions,\"a\"\n .long 661b - .\n .long 6641f - .\n .word ( 4*32+23)\n .byte 663b-661b\n .byte 6651f-6641f\n .byte 663b-662b\n.popsection\n.pushsection .altinstr_replacement, \"ax\"\n6641:\n\t.byte 0xf3,0x40,0x0f,0xb8,0xc7\n6651:\n\t.popsection": "=a" (res): "D" (w)); [2708] [2024-10-13 08:07:23,045 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("movl %1,%0": "=r" (ret): "m" (*((unsigned int volatile *)addr)): "memory"); [2733] [2024-10-13 08:07:23,045 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("movl %0,%1": : "r" (val), "m" (*((unsigned int volatile *)addr)): "memory"); [2740] [2024-10-13 08:07:23,154 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("1:\tud2\n.pushsection __bug_table,\"a\"\n2:\t.long 1b - 2b, %c0 - 2b\n\t.word %c1, 0\n\t.org 2b+%c2\n.popsection": : "i" ((char *)"/work/ldvuser/mutilin/launch/work/current--X--drivers/--X--defaultlinux-4.2-rc1.tar.xz--X--08_1a--X--cpachecker/linux-4.2-rc1.tar.xz/csd_deg_dscv/9551/dscv_tempdir/dscv/ri/08_1a/drivers/char/agp/amd64-agp.c"), "i" (85), "i" (12UL)); [3109-3110] [2024-10-13 08:07:23,217 WARN L248 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-08_1a-drivers--char--agp--amd64-agp.ko-entry_point.cil.out.i[118202,118215] [2024-10-13 08:07:23,235 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-10-13 08:07:23,299 INFO L204 MainTranslator]: Completed translation [2024-10-13 08:07:23,300 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 08:07:23 WrapperNode [2024-10-13 08:07:23,300 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-10-13 08:07:23,301 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-10-13 08:07:23,301 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-10-13 08:07:23,301 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-10-13 08:07:23,308 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 08:07:23" (1/1) ... [2024-10-13 08:07:23,367 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 08:07:23" (1/1) ... [2024-10-13 08:07:23,470 INFO L138 Inliner]: procedures = 142, calls = 804, calls flagged for inlining = 74, calls inlined = 71, statements flattened = 2319 [2024-10-13 08:07:23,471 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-10-13 08:07:23,471 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-10-13 08:07:23,471 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-10-13 08:07:23,472 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-10-13 08:07:23,483 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 08:07:23" (1/1) ... [2024-10-13 08:07:23,483 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 08:07:23" (1/1) ... [2024-10-13 08:07:23,504 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 08:07:23" (1/1) ... [2024-10-13 08:07:23,669 INFO L175 MemorySlicer]: Split 442 memory accesses to 12 slices as follows [291, 2, 7, 29, 22, 2, 42, 21, 15, 6, 4, 1]. 66 percent of accesses are in the largest equivalence class. The 291 initializations are split as follows [179, 2, 0, 28, 20, 0, 41, 21, 0, 0, 0, 0]. The 39 writes are split as follows [33, 0, 2, 0, 0, 1, 1, 0, 2, 0, 0, 0]. [2024-10-13 08:07:23,673 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 08:07:23" (1/1) ... [2024-10-13 08:07:23,673 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 08:07:23" (1/1) ... [2024-10-13 08:07:23,768 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 08:07:23" (1/1) ... [2024-10-13 08:07:23,781 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 08:07:23" (1/1) ... [2024-10-13 08:07:23,811 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 08:07:23" (1/1) ... [2024-10-13 08:07:23,831 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 08:07:23" (1/1) ... [2024-10-13 08:07:23,861 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-10-13 08:07:23,864 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-10-13 08:07:23,864 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-10-13 08:07:23,865 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-10-13 08:07:23,866 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 08:07:23" (1/1) ... [2024-10-13 08:07:23,872 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-10-13 08:07:23,882 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-13 08:07:23,899 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-10-13 08:07:23,902 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-10-13 08:07:23,949 INFO L130 BoogieDeclarations]: Found specification of procedure pci_write_config_dword [2024-10-13 08:07:23,949 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_write_config_dword [2024-10-13 08:07:23,949 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#0 [2024-10-13 08:07:23,949 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#1 [2024-10-13 08:07:23,950 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#2 [2024-10-13 08:07:23,951 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#3 [2024-10-13 08:07:23,952 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#4 [2024-10-13 08:07:23,952 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#5 [2024-10-13 08:07:23,952 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#6 [2024-10-13 08:07:23,952 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#7 [2024-10-13 08:07:23,952 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#8 [2024-10-13 08:07:23,952 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#9 [2024-10-13 08:07:23,953 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#10 [2024-10-13 08:07:23,953 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#11 [2024-10-13 08:07:23,953 INFO L130 BoogieDeclarations]: Found specification of procedure _dev_info [2024-10-13 08:07:23,953 INFO L138 BoogieDeclarations]: Found implementation of procedure _dev_info [2024-10-13 08:07:23,953 INFO L130 BoogieDeclarations]: Found specification of procedure pci_unregister_driver [2024-10-13 08:07:23,953 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_unregister_driver [2024-10-13 08:07:23,954 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_shutdown_1 [2024-10-13 08:07:23,954 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_shutdown_1 [2024-10-13 08:07:23,954 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2024-10-13 08:07:23,954 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2024-10-13 08:07:23,954 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#0 [2024-10-13 08:07:23,954 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#1 [2024-10-13 08:07:23,955 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#2 [2024-10-13 08:07:23,955 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#3 [2024-10-13 08:07:23,955 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#4 [2024-10-13 08:07:23,956 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#5 [2024-10-13 08:07:23,956 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#6 [2024-10-13 08:07:23,956 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#7 [2024-10-13 08:07:23,956 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#8 [2024-10-13 08:07:23,956 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#9 [2024-10-13 08:07:23,956 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#10 [2024-10-13 08:07:23,957 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#11 [2024-10-13 08:07:23,957 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.meminit [2024-10-13 08:07:23,957 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.meminit [2024-10-13 08:07:23,957 INFO L130 BoogieDeclarations]: Found specification of procedure node_to_amd_nb [2024-10-13 08:07:23,957 INFO L138 BoogieDeclarations]: Found implementation of procedure node_to_amd_nb [2024-10-13 08:07:23,957 INFO L130 BoogieDeclarations]: Found specification of procedure agp_generic_mask_memory [2024-10-13 08:07:23,957 INFO L138 BoogieDeclarations]: Found implementation of procedure agp_generic_mask_memory [2024-10-13 08:07:23,957 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2024-10-13 08:07:23,958 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2024-10-13 08:07:23,958 INFO L130 BoogieDeclarations]: Found specification of procedure amd_nb_num [2024-10-13 08:07:23,958 INFO L138 BoogieDeclarations]: Found implementation of procedure amd_nb_num [2024-10-13 08:07:23,958 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#0 [2024-10-13 08:07:23,958 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#1 [2024-10-13 08:07:23,958 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#2 [2024-10-13 08:07:23,958 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#3 [2024-10-13 08:07:23,958 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#4 [2024-10-13 08:07:23,959 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#5 [2024-10-13 08:07:23,959 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#6 [2024-10-13 08:07:23,959 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#7 [2024-10-13 08:07:23,959 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#8 [2024-10-13 08:07:23,959 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#9 [2024-10-13 08:07:23,959 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#10 [2024-10-13 08:07:23,959 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#11 [2024-10-13 08:07:23,959 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_error [2024-10-13 08:07:23,959 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_error [2024-10-13 08:07:23,960 INFO L130 BoogieDeclarations]: Found specification of procedure agp_amd64_resume [2024-10-13 08:07:23,960 INFO L138 BoogieDeclarations]: Found implementation of procedure agp_amd64_resume [2024-10-13 08:07:23,960 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_init_zalloc [2024-10-13 08:07:23,960 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_init_zalloc [2024-10-13 08:07:23,960 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-10-13 08:07:23,960 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-10-13 08:07:23,960 INFO L130 BoogieDeclarations]: Found specification of procedure virt_to_phys [2024-10-13 08:07:23,961 INFO L138 BoogieDeclarations]: Found implementation of procedure virt_to_phys [2024-10-13 08:07:23,961 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2024-10-13 08:07:23,961 INFO L130 BoogieDeclarations]: Found specification of procedure pci_dev_put [2024-10-13 08:07:23,961 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_dev_put [2024-10-13 08:07:23,961 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_memset [2024-10-13 08:07:23,961 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_memset [2024-10-13 08:07:23,961 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-10-13 08:07:23,962 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2024-10-13 08:07:23,962 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#0 [2024-10-13 08:07:23,962 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#1 [2024-10-13 08:07:23,962 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#2 [2024-10-13 08:07:23,963 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#3 [2024-10-13 08:07:23,963 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#4 [2024-10-13 08:07:23,963 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#5 [2024-10-13 08:07:23,963 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#6 [2024-10-13 08:07:23,963 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#7 [2024-10-13 08:07:23,963 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#8 [2024-10-13 08:07:23,963 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#9 [2024-10-13 08:07:23,963 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#10 [2024-10-13 08:07:23,964 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#11 [2024-10-13 08:07:23,964 INFO L130 BoogieDeclarations]: Found specification of procedure agp_generic_type_to_mask_type [2024-10-13 08:07:23,964 INFO L138 BoogieDeclarations]: Found implementation of procedure agp_generic_type_to_mask_type [2024-10-13 08:07:23,964 INFO L130 BoogieDeclarations]: Found specification of procedure pci_read_config_dword [2024-10-13 08:07:23,964 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_read_config_dword [2024-10-13 08:07:23,964 INFO L130 BoogieDeclarations]: Found specification of procedure amd_8151_configure [2024-10-13 08:07:23,965 INFO L138 BoogieDeclarations]: Found implementation of procedure amd_8151_configure [2024-10-13 08:07:23,965 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#0 [2024-10-13 08:07:23,965 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#1 [2024-10-13 08:07:23,965 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#2 [2024-10-13 08:07:23,965 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#3 [2024-10-13 08:07:23,965 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#4 [2024-10-13 08:07:23,965 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#5 [2024-10-13 08:07:23,965 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#6 [2024-10-13 08:07:23,965 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#7 [2024-10-13 08:07:23,965 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#8 [2024-10-13 08:07:23,965 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#9 [2024-10-13 08:07:23,965 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#10 [2024-10-13 08:07:23,965 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#11 [2024-10-13 08:07:23,966 INFO L130 BoogieDeclarations]: Found specification of procedure nforce3_agp_init [2024-10-13 08:07:23,966 INFO L138 BoogieDeclarations]: Found implementation of procedure nforce3_agp_init [2024-10-13 08:07:23,966 INFO L130 BoogieDeclarations]: Found specification of procedure amd_nb_has_feature [2024-10-13 08:07:23,966 INFO L138 BoogieDeclarations]: Found implementation of procedure amd_nb_has_feature [2024-10-13 08:07:23,966 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_resume_early_1 [2024-10-13 08:07:23,966 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_resume_early_1 [2024-10-13 08:07:23,966 INFO L130 BoogieDeclarations]: Found specification of procedure global_cache_flush [2024-10-13 08:07:23,967 INFO L138 BoogieDeclarations]: Found implementation of procedure global_cache_flush [2024-10-13 08:07:23,967 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-10-13 08:07:23,967 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#0 [2024-10-13 08:07:23,967 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#1 [2024-10-13 08:07:23,967 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#2 [2024-10-13 08:07:23,968 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#3 [2024-10-13 08:07:23,968 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#4 [2024-10-13 08:07:23,968 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#5 [2024-10-13 08:07:23,968 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#6 [2024-10-13 08:07:23,968 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#7 [2024-10-13 08:07:23,969 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#8 [2024-10-13 08:07:23,969 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#9 [2024-10-13 08:07:23,969 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#10 [2024-10-13 08:07:23,969 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#11 [2024-10-13 08:07:23,969 INFO L130 BoogieDeclarations]: Found specification of procedure pci_set_power_state [2024-10-13 08:07:23,969 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_set_power_state [2024-10-13 08:07:23,969 INFO L130 BoogieDeclarations]: Found specification of procedure printk [2024-10-13 08:07:23,969 INFO L138 BoogieDeclarations]: Found implementation of procedure printk [2024-10-13 08:07:23,969 INFO L130 BoogieDeclarations]: Found specification of procedure dev_err [2024-10-13 08:07:23,969 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_err [2024-10-13 08:07:23,969 INFO L130 BoogieDeclarations]: Found specification of procedure readl [2024-10-13 08:07:23,969 INFO L138 BoogieDeclarations]: Found implementation of procedure readl [2024-10-13 08:07:23,969 INFO L130 BoogieDeclarations]: Found specification of procedure agp_put_bridge [2024-10-13 08:07:23,969 INFO L138 BoogieDeclarations]: Found implementation of procedure agp_put_bridge [2024-10-13 08:07:23,970 INFO L130 BoogieDeclarations]: Found specification of procedure amd_flush_garts [2024-10-13 08:07:23,970 INFO L138 BoogieDeclarations]: Found implementation of procedure amd_flush_garts [2024-10-13 08:07:23,970 INFO L130 BoogieDeclarations]: Found specification of procedure amd64_fetch_size [2024-10-13 08:07:23,970 INFO L138 BoogieDeclarations]: Found implementation of procedure amd64_fetch_size [2024-10-13 08:07:23,970 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-10-13 08:07:23,970 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#1 [2024-10-13 08:07:23,970 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#2 [2024-10-13 08:07:23,970 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#3 [2024-10-13 08:07:23,970 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#4 [2024-10-13 08:07:23,970 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#5 [2024-10-13 08:07:23,970 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#6 [2024-10-13 08:07:23,970 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#7 [2024-10-13 08:07:23,970 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#8 [2024-10-13 08:07:23,970 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#9 [2024-10-13 08:07:23,971 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#10 [2024-10-13 08:07:23,971 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#11 [2024-10-13 08:07:23,971 INFO L130 BoogieDeclarations]: Found specification of procedure pci_get_slot [2024-10-13 08:07:23,971 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_get_slot [2024-10-13 08:07:23,971 INFO L130 BoogieDeclarations]: Found specification of procedure agp_amd64_remove [2024-10-13 08:07:23,971 INFO L138 BoogieDeclarations]: Found implementation of procedure agp_amd64_remove [2024-10-13 08:07:23,971 INFO L130 BoogieDeclarations]: Found specification of procedure amd64_tlbflush [2024-10-13 08:07:23,973 INFO L138 BoogieDeclarations]: Found implementation of procedure amd64_tlbflush [2024-10-13 08:07:23,975 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-10-13 08:07:23,976 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-10-13 08:07:23,976 INFO L130 BoogieDeclarations]: Found specification of procedure agp_aperture_valid [2024-10-13 08:07:23,976 INFO L138 BoogieDeclarations]: Found implementation of procedure agp_aperture_valid [2024-10-13 08:07:24,375 INFO L238 CfgBuilder]: Building ICFG [2024-10-13 08:07:24,378 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-10-13 08:07:24,446 INFO L733 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stopFINAL: assume true; [2024-10-13 08:07:26,320 INFO L? ?]: Removed 820 outVars from TransFormulas that were not future-live. [2024-10-13 08:07:26,320 INFO L287 CfgBuilder]: Performing block encoding [2024-10-13 08:07:26,525 INFO L309 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-10-13 08:07:26,528 INFO L314 CfgBuilder]: Removed 0 assume(true) statements. [2024-10-13 08:07:26,528 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.10 08:07:26 BoogieIcfgContainer [2024-10-13 08:07:26,528 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-10-13 08:07:26,530 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-10-13 08:07:26,530 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-10-13 08:07:26,534 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-10-13 08:07:26,535 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 13.10 08:07:22" (1/3) ... [2024-10-13 08:07:26,536 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3596aaad and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.10 08:07:26, skipping insertion in model container [2024-10-13 08:07:26,536 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 08:07:23" (2/3) ... [2024-10-13 08:07:26,538 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3596aaad and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.10 08:07:26, skipping insertion in model container [2024-10-13 08:07:26,538 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.10 08:07:26" (3/3) ... [2024-10-13 08:07:26,539 INFO L112 eAbstractionObserver]: Analyzing ICFG linux-4.2-rc1.tar.xz-08_1a-drivers--char--agp--amd64-agp.ko-entry_point.cil.out.i [2024-10-13 08:07:26,555 INFO L209 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-10-13 08:07:26,556 INFO L149 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2024-10-13 08:07:26,652 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-10-13 08:07:26,659 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;@57dca2db, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-10-13 08:07:26,660 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-10-13 08:07:26,668 INFO L276 IsEmpty]: Start isEmpty. Operand has 609 states, 432 states have (on average 1.4467592592592593) internal successors, (625), 438 states have internal predecessors, (625), 141 states have call successors, (141), 35 states have call predecessors, (141), 34 states have return successors, (137), 137 states have call predecessors, (137), 137 states have call successors, (137) [2024-10-13 08:07:26,689 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 109 [2024-10-13 08:07:26,690 INFO L207 NwaCegarLoop]: Found error trace [2024-10-13 08:07:26,691 INFO L215 NwaCegarLoop]: trace histogram [13, 13, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-13 08:07:26,692 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-13 08:07:26,698 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-13 08:07:26,698 INFO L85 PathProgramCache]: Analyzing trace with hash -909197114, now seen corresponding path program 1 times [2024-10-13 08:07:26,708 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-13 08:07:26,709 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1493246708] [2024-10-13 08:07:26,710 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-13 08:07:26,711 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-13 08:07:27,319 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 08:07:27,495 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-13 08:07:27,502 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 08:07:27,521 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-13 08:07:27,522 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 08:07:27,531 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-10-13 08:07:27,532 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 08:07:27,539 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2024-10-13 08:07:27,548 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 08:07:27,559 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-13 08:07:27,562 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 08:07:27,567 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-10-13 08:07:27,569 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 08:07:27,584 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2024-10-13 08:07:27,590 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 08:07:27,599 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2024-10-13 08:07:27,604 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 08:07:27,612 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2024-10-13 08:07:27,618 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 08:07:27,627 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2024-10-13 08:07:27,631 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 08:07:27,638 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 49 [2024-10-13 08:07:27,642 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 08:07:27,648 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2024-10-13 08:07:27,654 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 08:07:27,663 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 59 [2024-10-13 08:07:27,671 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 08:07:27,682 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2024-10-13 08:07:27,686 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 08:07:27,695 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2024-10-13 08:07:27,702 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 08:07:27,710 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 74 [2024-10-13 08:07:27,715 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 08:07:27,722 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 79 [2024-10-13 08:07:27,726 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 08:07:27,734 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2024-10-13 08:07:27,740 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 08:07:27,748 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2024-10-13 08:07:27,753 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 08:07:27,762 INFO L134 CoverageAnalysis]: Checked inductivity of 246 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 246 trivial. 0 not checked. [2024-10-13 08:07:27,763 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-13 08:07:27,763 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1493246708] [2024-10-13 08:07:27,764 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1493246708] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-13 08:07:27,765 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-13 08:07:27,765 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-10-13 08:07:27,767 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [335730470] [2024-10-13 08:07:27,767 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-13 08:07:27,771 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-10-13 08:07:27,771 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-13 08:07:27,796 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-10-13 08:07:27,796 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2024-10-13 08:07:27,799 INFO L87 Difference]: Start difference. First operand has 609 states, 432 states have (on average 1.4467592592592593) internal successors, (625), 438 states have internal predecessors, (625), 141 states have call successors, (141), 35 states have call predecessors, (141), 34 states have return successors, (137), 137 states have call predecessors, (137), 137 states have call successors, (137) Second operand has 5 states, 5 states have (on average 7.6) internal successors, (38), 2 states have internal predecessors, (38), 2 states have call successors, (18), 5 states have call predecessors, (18), 2 states have return successors, (17), 2 states have call predecessors, (17), 2 states have call successors, (17) [2024-10-13 08:07:30,538 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-13 08:07:30,538 INFO L93 Difference]: Finished difference Result 1275 states and 1944 transitions. [2024-10-13 08:07:30,540 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-10-13 08:07:30,541 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 7.6) internal successors, (38), 2 states have internal predecessors, (38), 2 states have call successors, (18), 5 states have call predecessors, (18), 2 states have return successors, (17), 2 states have call predecessors, (17), 2 states have call successors, (17) Word has length 108 [2024-10-13 08:07:30,542 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-13 08:07:30,566 INFO L225 Difference]: With dead ends: 1275 [2024-10-13 08:07:30,566 INFO L226 Difference]: Without dead ends: 660 [2024-10-13 08:07:30,577 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 48 GetRequests, 43 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=18, Invalid=24, Unknown=0, NotChecked=0, Total=42 [2024-10-13 08:07:30,582 INFO L432 NwaCegarLoop]: 604 mSDtfsCounter, 371 mSDsluCounter, 1162 mSDsCounter, 0 mSdLazyCounter, 1016 mSolverCounterSat, 361 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 398 SdHoareTripleChecker+Valid, 1766 SdHoareTripleChecker+Invalid, 1377 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 361 IncrementalHoareTripleChecker+Valid, 1016 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.5s IncrementalHoareTripleChecker+Time [2024-10-13 08:07:30,585 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [398 Valid, 1766 Invalid, 1377 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [361 Valid, 1016 Invalid, 0 Unknown, 0 Unchecked, 2.5s Time] [2024-10-13 08:07:30,608 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 660 states. [2024-10-13 08:07:30,674 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 660 to 600. [2024-10-13 08:07:30,677 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 600 states, 429 states have (on average 1.4265734265734267) internal successors, (612), 429 states have internal predecessors, (612), 137 states have call successors, (137), 34 states have call predecessors, (137), 33 states have return successors, (136), 136 states have call predecessors, (136), 136 states have call successors, (136) [2024-10-13 08:07:30,680 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 600 states to 600 states and 885 transitions. [2024-10-13 08:07:30,683 INFO L78 Accepts]: Start accepts. Automaton has 600 states and 885 transitions. Word has length 108 [2024-10-13 08:07:30,684 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-13 08:07:30,684 INFO L471 AbstractCegarLoop]: Abstraction has 600 states and 885 transitions. [2024-10-13 08:07:30,684 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 7.6) internal successors, (38), 2 states have internal predecessors, (38), 2 states have call successors, (18), 5 states have call predecessors, (18), 2 states have return successors, (17), 2 states have call predecessors, (17), 2 states have call successors, (17) [2024-10-13 08:07:30,685 INFO L276 IsEmpty]: Start isEmpty. Operand 600 states and 885 transitions. [2024-10-13 08:07:30,688 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 109 [2024-10-13 08:07:30,688 INFO L207 NwaCegarLoop]: Found error trace [2024-10-13 08:07:30,688 INFO L215 NwaCegarLoop]: trace histogram [13, 13, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-13 08:07:30,689 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-10-13 08:07:30,689 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-13 08:07:30,689 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-13 08:07:30,690 INFO L85 PathProgramCache]: Analyzing trace with hash 1998326602, now seen corresponding path program 1 times [2024-10-13 08:07:30,690 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-13 08:07:30,690 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1757582560] [2024-10-13 08:07:30,690 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-13 08:07:30,690 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-13 08:07:31,059 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 08:07:31,285 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-13 08:07:31,291 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 08:07:31,308 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-13 08:07:31,309 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 08:07:31,313 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-10-13 08:07:31,314 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 08:07:31,319 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2024-10-13 08:07:31,327 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 08:07:31,345 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-13 08:07:31,346 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 08:07:31,350 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-10-13 08:07:31,353 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 08:07:31,367 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2024-10-13 08:07:31,371 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 08:07:31,377 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2024-10-13 08:07:31,381 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 08:07:31,389 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2024-10-13 08:07:31,393 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 08:07:31,401 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2024-10-13 08:07:31,405 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 08:07:31,413 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 49 [2024-10-13 08:07:31,417 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 08:07:31,425 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2024-10-13 08:07:31,436 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 08:07:31,445 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 59 [2024-10-13 08:07:31,449 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 08:07:31,456 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2024-10-13 08:07:31,460 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 08:07:31,467 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2024-10-13 08:07:31,471 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 08:07:31,477 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 74 [2024-10-13 08:07:31,481 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 08:07:31,488 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 79 [2024-10-13 08:07:31,491 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 08:07:31,498 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2024-10-13 08:07:31,502 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 08:07:31,508 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2024-10-13 08:07:31,512 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 08:07:31,519 INFO L134 CoverageAnalysis]: Checked inductivity of 246 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 246 trivial. 0 not checked. [2024-10-13 08:07:31,521 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-13 08:07:31,521 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1757582560] [2024-10-13 08:07:31,521 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1757582560] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-13 08:07:31,521 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-13 08:07:31,521 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2024-10-13 08:07:31,521 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2246448] [2024-10-13 08:07:31,522 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-13 08:07:31,523 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-10-13 08:07:31,524 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-13 08:07:31,524 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-10-13 08:07:31,525 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2024-10-13 08:07:31,525 INFO L87 Difference]: Start difference. First operand 600 states and 885 transitions. Second operand has 6 states, 6 states have (on average 6.333333333333333) internal successors, (38), 3 states have internal predecessors, (38), 3 states have call successors, (18), 5 states have call predecessors, (18), 1 states have return successors, (17), 2 states have call predecessors, (17), 2 states have call successors, (17) [2024-10-13 08:07:33,634 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-13 08:07:33,634 INFO L93 Difference]: Finished difference Result 660 states and 998 transitions. [2024-10-13 08:07:33,635 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-10-13 08:07:33,635 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 6.333333333333333) internal successors, (38), 3 states have internal predecessors, (38), 3 states have call successors, (18), 5 states have call predecessors, (18), 1 states have return successors, (17), 2 states have call predecessors, (17), 2 states have call successors, (17) Word has length 108 [2024-10-13 08:07:33,635 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-13 08:07:33,637 INFO L225 Difference]: With dead ends: 660 [2024-10-13 08:07:33,637 INFO L226 Difference]: Without dead ends: 0 [2024-10-13 08:07:33,639 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 48 GetRequests, 40 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 7 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=34, Invalid=56, Unknown=0, NotChecked=0, Total=90 [2024-10-13 08:07:33,640 INFO L432 NwaCegarLoop]: 591 mSDtfsCounter, 1149 mSDsluCounter, 775 mSDsCounter, 0 mSdLazyCounter, 769 mSolverCounterSat, 678 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1241 SdHoareTripleChecker+Valid, 1366 SdHoareTripleChecker+Invalid, 1447 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 678 IncrementalHoareTripleChecker+Valid, 769 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.0s IncrementalHoareTripleChecker+Time [2024-10-13 08:07:33,641 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1241 Valid, 1366 Invalid, 1447 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [678 Valid, 769 Invalid, 0 Unknown, 0 Unchecked, 2.0s Time] [2024-10-13 08:07:33,641 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2024-10-13 08:07:33,641 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2024-10-13 08:07:33,641 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 0 states, 0 states have (on average 0.0) internal successors, (0), 0 states have internal predecessors, (0), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-13 08:07:33,641 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2024-10-13 08:07:33,642 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 108 [2024-10-13 08:07:33,642 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-13 08:07:33,645 INFO L471 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2024-10-13 08:07:33,645 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 6.333333333333333) internal successors, (38), 3 states have internal predecessors, (38), 3 states have call successors, (18), 5 states have call predecessors, (18), 1 states have return successors, (17), 2 states have call predecessors, (17), 2 states have call successors, (17) [2024-10-13 08:07:33,645 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2024-10-13 08:07:33,646 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2024-10-13 08:07:33,648 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2024-10-13 08:07:33,649 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-10-13 08:07:33,653 INFO L407 BasicCegarLoop]: Path program histogram: [1, 1] [2024-10-13 08:07:33,655 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2024-10-13 08:07:34,439 INFO L165 ceAbstractionStarter]: Computing trace abstraction results [2024-10-13 08:07:34,462 WARN L953 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: ~ldv_module_refcounter~0 [2024-10-13 08:07:34,478 WARN L155 FloydHoareUtils]: Requires clause for agp_amd64_resume contained old-variable. Original clause: (and (= ~ldv_module_refcounter~0 1) (= |old(#length)| |#length|) (= |#memory_int#0| |old(#memory_int#0)|) (= |old(#valid)| |#valid|)) Eliminated clause: (= ~ldv_module_refcounter~0 1) [2024-10-13 08:07:34,480 WARN L155 FloydHoareUtils]: Requires clause for amd_8151_configure contained old-variable. Original clause: (and (= ~ldv_module_refcounter~0 1) (= |old(#length)| |#length|) (= |#memory_int#0| |old(#memory_int#0)|) (= |old(#valid)| |#valid|)) Eliminated clause: (= ~ldv_module_refcounter~0 1) [2024-10-13 08:07:34,481 WARN L155 FloydHoareUtils]: Requires clause for #Ultimate.meminit contained old-variable. Original clause: (and (= ~ldv_module_refcounter~0 1) (= |#memory_int#0| |old(#memory_int#0)|)) Eliminated clause: (= ~ldv_module_refcounter~0 1) [2024-10-13 08:07:34,482 WARN L953 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: ~ldv_module_refcounter~0 [2024-10-13 08:07:34,483 WARN L953 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: ~ldv_module_refcounter~0 [2024-10-13 08:07:34,483 WARN L155 FloydHoareUtils]: Requires clause for nforce3_agp_init contained old-variable. Original clause: (and (= ~ldv_module_refcounter~0 1) (= |old(#length)| |#length|) (= |#memory_int#0| |old(#memory_int#0)|) (= |old(#valid)| |#valid|)) Eliminated clause: (= ~ldv_module_refcounter~0 1) [2024-10-13 08:07:34,486 WARN L155 FloydHoareUtils]: Requires clause for amd64_fetch_size contained old-variable. Original clause: (and (= ~ldv_module_refcounter~0 1) (= |old(#length)| |#length|) (= |#memory_int#0| |old(#memory_int#0)|) (= |old(#valid)| |#valid|)) Eliminated clause: (= ~ldv_module_refcounter~0 1) [2024-10-13 08:07:34,490 WARN L155 FloydHoareUtils]: Requires clause for ldv_init_zalloc contained old-variable. Original clause: (and (= ~ldv_module_refcounter~0 1) (= |old(#length)| |#length|) (= |#memory_int#0| |old(#memory_int#0)|) (= |old(#valid)| |#valid|)) Eliminated clause: (= ~ldv_module_refcounter~0 1) [2024-10-13 08:07:34,492 WARN L155 FloydHoareUtils]: Requires clause for pci_get_slot contained old-variable. Original clause: (and (= ~ldv_module_refcounter~0 1) (= |old(#length)| |#length|) (= |old(#valid)| |#valid|)) Eliminated clause: (= ~ldv_module_refcounter~0 1) [2024-10-13 08:07:34,495 WARN L155 FloydHoareUtils]: Requires clause for ldv_malloc contained old-variable. Original clause: (and (= ~ldv_module_refcounter~0 1) (= |old(#length)| |#length|) (= |old(#valid)| |#valid|)) Eliminated clause: (= ~ldv_module_refcounter~0 1) [2024-10-13 08:07:34,498 WARN L155 FloydHoareUtils]: Requires clause for ldv_memset contained old-variable. Original clause: (and (= ~ldv_module_refcounter~0 1) (= |#memory_int#8| |old(#memory_int#8)|) (= |old(#memory_$Pointer$#8.base)| |#memory_$Pointer$#8.base|) (= |#memory_$Pointer$#8.offset| |old(#memory_$Pointer$#8.offset)|)) Eliminated clause: (= ~ldv_module_refcounter~0 1) [2024-10-13 08:07:34,499 WARN L155 FloydHoareUtils]: Requires clause for agp_aperture_valid contained old-variable. Original clause: (and (= ~ldv_module_refcounter~0 1) (= |old(#length)| |#length|) (= |old(#valid)| |#valid|)) Eliminated clause: (= ~ldv_module_refcounter~0 1) [2024-10-13 08:07:34,501 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 13.10 08:07:34 BoogieIcfgContainer [2024-10-13 08:07:34,501 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-10-13 08:07:34,502 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-10-13 08:07:34,502 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-10-13 08:07:34,503 INFO L274 PluginConnector]: Witness Printer initialized [2024-10-13 08:07:34,503 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.10 08:07:26" (3/4) ... [2024-10-13 08:07:34,505 INFO L139 WitnessPrinter]: Generating witness for correct program [2024-10-13 08:07:34,508 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure pci_write_config_dword [2024-10-13 08:07:34,509 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure amd_nb_num [2024-10-13 08:07:34,509 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure pci_set_power_state [2024-10-13 08:07:34,509 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure printk [2024-10-13 08:07:34,509 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure agp_generic_type_to_mask_type [2024-10-13 08:07:34,509 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure pci_read_config_dword [2024-10-13 08:07:34,509 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure _dev_info [2024-10-13 08:07:34,509 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure dev_err [2024-10-13 08:07:34,509 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure ldv_error [2024-10-13 08:07:34,510 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure pci_unregister_driver [2024-10-13 08:07:34,510 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure agp_amd64_resume [2024-10-13 08:07:34,510 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure ldv_shutdown_1 [2024-10-13 08:07:34,510 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure amd_8151_configure [2024-10-13 08:07:34,510 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure ldv_stop [2024-10-13 08:07:34,510 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure #Ultimate.meminit [2024-10-13 08:07:34,510 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure nforce3_agp_init [2024-10-13 08:07:34,510 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure amd_nb_has_feature [2024-10-13 08:07:34,510 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure readl [2024-10-13 08:07:34,510 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure node_to_amd_nb [2024-10-13 08:07:34,510 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure ldv_resume_early_1 [2024-10-13 08:07:34,511 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure agp_put_bridge [2024-10-13 08:07:34,511 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure global_cache_flush [2024-10-13 08:07:34,511 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure amd_flush_garts [2024-10-13 08:07:34,511 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure amd64_fetch_size [2024-10-13 08:07:34,511 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure agp_generic_mask_memory [2024-10-13 08:07:34,511 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure ldv_init_zalloc [2024-10-13 08:07:34,511 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure assume_abort_if_not [2024-10-13 08:07:34,512 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure virt_to_phys [2024-10-13 08:07:34,512 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure pci_get_slot [2024-10-13 08:07:34,512 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure ldv_malloc [2024-10-13 08:07:34,512 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure pci_dev_put [2024-10-13 08:07:34,512 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure agp_amd64_remove [2024-10-13 08:07:34,512 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure amd64_tlbflush [2024-10-13 08:07:34,512 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure ldv_memset [2024-10-13 08:07:34,512 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure agp_aperture_valid [2024-10-13 08:07:34,558 INFO L904 BoogieBacktranslator]: Reduced CFG by removing 291 nodes and edges [2024-10-13 08:07:34,562 INFO L904 BoogieBacktranslator]: Reduced CFG by removing 99 nodes and edges [2024-10-13 08:07:34,566 INFO L904 BoogieBacktranslator]: Reduced CFG by removing 25 nodes and edges [2024-10-13 08:07:34,569 INFO L904 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2024-10-13 08:07:34,573 INFO L904 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2024-10-13 08:07:34,577 INFO L904 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2024-10-13 08:07:34,905 INFO L149 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.graphml [2024-10-13 08:07:34,905 INFO L149 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.yml [2024-10-13 08:07:34,905 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-10-13 08:07:34,906 INFO L158 Benchmark]: Toolchain (without parser) took 12894.73ms. Allocated memory was 178.3MB in the beginning and 373.3MB in the end (delta: 195.0MB). Free memory was 102.8MB in the beginning and 269.5MB in the end (delta: -166.7MB). Peak memory consumption was 209.7MB. Max. memory is 16.1GB. [2024-10-13 08:07:34,906 INFO L158 Benchmark]: CDTParser took 0.17ms. Allocated memory is still 104.9MB. Free memory is still 68.4MB. There was no memory consumed. Max. memory is 16.1GB. [2024-10-13 08:07:34,906 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1286.94ms. Allocated memory is still 178.3MB. Free memory was 102.7MB in the beginning and 108.8MB in the end (delta: -6.2MB). Peak memory consumption was 34.9MB. Max. memory is 16.1GB. [2024-10-13 08:07:34,906 INFO L158 Benchmark]: Boogie Procedure Inliner took 169.60ms. Allocated memory is still 178.3MB. Free memory was 108.8MB in the beginning and 95.3MB in the end (delta: 13.5MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. [2024-10-13 08:07:34,906 INFO L158 Benchmark]: Boogie Preprocessor took 391.53ms. Allocated memory is still 178.3MB. Free memory was 95.3MB in the beginning and 118.2MB in the end (delta: -22.9MB). Peak memory consumption was 49.4MB. Max. memory is 16.1GB. [2024-10-13 08:07:34,907 INFO L158 Benchmark]: RCFGBuilder took 2664.82ms. Allocated memory was 178.3MB in the beginning and 274.7MB in the end (delta: 96.5MB). Free memory was 118.2MB in the beginning and 197.8MB in the end (delta: -79.6MB). Peak memory consumption was 125.0MB. Max. memory is 16.1GB. [2024-10-13 08:07:34,907 INFO L158 Benchmark]: TraceAbstraction took 7971.32ms. Allocated memory was 274.7MB in the beginning and 373.3MB in the end (delta: 98.6MB). Free memory was 196.8MB in the beginning and 106.0MB in the end (delta: 90.8MB). Peak memory consumption was 189.3MB. Max. memory is 16.1GB. [2024-10-13 08:07:34,909 INFO L158 Benchmark]: Witness Printer took 403.11ms. Allocated memory is still 373.3MB. Free memory was 106.0MB in the beginning and 269.5MB in the end (delta: -163.6MB). Peak memory consumption was 15.7MB. Max. memory is 16.1GB. [2024-10-13 08:07:34,912 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.17ms. Allocated memory is still 104.9MB. Free memory is still 68.4MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1286.94ms. Allocated memory is still 178.3MB. Free memory was 102.7MB in the beginning and 108.8MB in the end (delta: -6.2MB). Peak memory consumption was 34.9MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 169.60ms. Allocated memory is still 178.3MB. Free memory was 108.8MB in the beginning and 95.3MB in the end (delta: 13.5MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. * Boogie Preprocessor took 391.53ms. Allocated memory is still 178.3MB. Free memory was 95.3MB in the beginning and 118.2MB in the end (delta: -22.9MB). Peak memory consumption was 49.4MB. Max. memory is 16.1GB. * RCFGBuilder took 2664.82ms. Allocated memory was 178.3MB in the beginning and 274.7MB in the end (delta: 96.5MB). Free memory was 118.2MB in the beginning and 197.8MB in the end (delta: -79.6MB). Peak memory consumption was 125.0MB. Max. memory is 16.1GB. * TraceAbstraction took 7971.32ms. Allocated memory was 274.7MB in the beginning and 373.3MB in the end (delta: 98.6MB). Free memory was 196.8MB in the beginning and 106.0MB in the end (delta: 90.8MB). Peak memory consumption was 189.3MB. Max. memory is 16.1GB. * Witness Printer took 403.11ms. Allocated memory is still 373.3MB. Free memory was 106.0MB in the beginning and 269.5MB in the end (delta: -163.6MB). Peak memory consumption was 15.7MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - GenericResultAtLocation [Line: 2708]: Unsoundness Warning Ignoring inline assembler instruction C: __asm__ ("661:\n\tcall __sw_hweight32\n662:\n.skip -(((6651f-6641f)-(662b-661b)) > 0) * ((6651f-6641f)-(662b-661b)),0x90\n663:\n.pushsection .altinstructions,\"a\"\n .long 661b - .\n .long 6641f - .\n .word ( 4*32+23)\n .byte 663b-661b\n .byte 6651f-6641f\n .byte 663b-662b\n.popsection\n.pushsection .altinstr_replacement, \"ax\"\n6641:\n\t.byte 0xf3,0x40,0x0f,0xb8,0xc7\n6651:\n\t.popsection": "=a" (res): "D" (w)); [2708] - GenericResultAtLocation [Line: 2733]: Unsoundness Warning Ignoring inline assembler instruction C: __asm__ volatile ("movl %1,%0": "=r" (ret): "m" (*((unsigned int volatile *)addr)): "memory"); [2733] - GenericResultAtLocation [Line: 2740]: Unsoundness Warning Ignoring inline assembler instruction C: __asm__ volatile ("movl %0,%1": : "r" (val), "m" (*((unsigned int volatile *)addr)): "memory"); [2740] - GenericResultAtLocation [Line: 3109]: Unsoundness Warning Ignoring inline assembler instruction C: __asm__ volatile ("1:\tud2\n.pushsection __bug_table,\"a\"\n2:\t.long 1b - 2b, %c0 - 2b\n\t.word %c1, 0\n\t.org 2b+%c2\n.popsection": : "i" ((char *)"/work/ldvuser/mutilin/launch/work/current--X--drivers/--X--defaultlinux-4.2-rc1.tar.xz--X--08_1a--X--cpachecker/linux-4.2-rc1.tar.xz/csd_deg_dscv/9551/dscv_tempdir/dscv/ri/08_1a/drivers/char/agp/amd64-agp.c"), "i" (85), "i" (12UL)); [3109-3110] - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: ~ldv_module_refcounter~0 - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: ~ldv_module_refcounter~0 - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: ~ldv_module_refcounter~0 * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - PositiveResult [Line: 4248]: a call to reach_error is unreachable For all program executions holds that a call to reach_error is unreachable at this location - StatisticsResult: Ultimate Automizer benchmark data CFG has 36 procedures, 610 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 7.0s, OverallIterations: 2, TraceHistogramMax: 13, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 4.9s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 1639 SdHoareTripleChecker+Valid, 4.5s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 1520 mSDsluCounter, 3132 SdHoareTripleChecker+Invalid, 4.0s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 1937 mSDsCounter, 1039 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 1785 IncrementalHoareTripleChecker+Invalid, 2824 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 1039 mSolverCounterUnsat, 1195 mSDtfsCounter, 1785 mSolverCounterSat, 0.1s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 96 GetRequests, 83 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 9 ImplicationChecksByTransitivity, 0.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=609occurred in iteration=0, InterpolantAutomatonStates: 13, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.1s AutomataMinimizationTime, 2 MinimizatonAttempts, 60 StatesRemovedByMinimization, 1 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.3s SatisfiabilityAnalysisTime, 0.9s InterpolantComputationTime, 216 NumberOfCodeBlocks, 216 NumberOfCodeBlocksAsserted, 2 NumberOfCheckSat, 214 ConstructedInterpolants, 0 QuantifiedInterpolants, 576 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 2 InterpolantComputations, 2 PerfectInterpolantSequences, 492/492 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available - AllSpecificationsHoldResult: All specifications hold 1 specifications checked. All of them hold - InvariantResult [Line: 3245]: Location Invariant Derived location invariant: (ldv_module_refcounter == 1) - InvariantResult [Line: 2886]: Location Invariant Derived location invariant: (ldv_module_refcounter == 1) - InvariantResult [Line: 2895]: Location Invariant Derived location invariant: (ldv_module_refcounter == 1) - InvariantResult [Line: 3265]: Location Invariant Derived location invariant: (ldv_module_refcounter == 1) - InvariantResult [Line: 3206]: Location Invariant Derived location invariant: (ldv_module_refcounter == 1) - InvariantResult [Line: 3677]: Location Invariant Derived location invariant: (ldv_module_refcounter == 1) - InvariantResult [Line: 3226]: Location Invariant Derived location invariant: (ldv_module_refcounter == 1) - InvariantResult [Line: 3523]: Location Invariant Derived location invariant: (ldv_module_refcounter == 1) - InvariantResult [Line: 3599]: Location Invariant Derived location invariant: (ldv_module_refcounter == 1) - InvariantResult [Line: -1]: Loop Invariant Derived loop invariant: null - InvariantResult [Line: 3410]: Location Invariant Derived location invariant: (ldv_module_refcounter == 1) - InvariantResult [Line: 2744]: Location Invariant Derived location invariant: (ldv_module_refcounter == 1) - InvariantResult [Line: 2829]: Location Invariant Derived location invariant: 1 - InvariantResult [Line: 3380]: Location Invariant Derived location invariant: (ldv_module_refcounter == 1) - ProcedureContractResult [Line: 2895]: Procedure Contract for pci_write_config_dword Derived contract for procedure pci_write_config_dword. Requires: (ldv_module_refcounter == 1) Ensures: (ldv_module_refcounter == 1) - ProcedureContractResult [Line: 2944]: Procedure Contract for amd_nb_num Derived contract for procedure amd_nb_num. Requires: (ldv_module_refcounter == 1) Ensures: (ldv_module_refcounter == 1) - ProcedureContractResult [Line: 4503]: Procedure Contract for pci_set_power_state Derived contract for procedure pci_set_power_state. Requires: (ldv_module_refcounter == 1) Ensures: (ldv_module_refcounter == 1) - ProcedureContractResult [Line: 4513]: Procedure Contract for printk Derived contract for procedure printk. Requires: (ldv_module_refcounter == 1) Ensures: (ldv_module_refcounter == 1) - ProcedureContractResult [Line: 4416]: Procedure Contract for agp_generic_type_to_mask_type Derived contract for procedure agp_generic_type_to_mask_type. Requires: (ldv_module_refcounter == 1) Ensures: (ldv_module_refcounter == 1) - ProcedureContractResult [Line: 2886]: Procedure Contract for pci_read_config_dword Derived contract for procedure pci_read_config_dword. Requires: (ldv_module_refcounter == 1) Ensures: (ldv_module_refcounter == 1) - ProcedureContractResult [Line: 4367]: Procedure Contract for _dev_info Derived contract for procedure _dev_info. Requires: (ldv_module_refcounter == 1) Ensures: (ldv_module_refcounter == 1) - ProcedureContractResult [Line: 4436]: Procedure Contract for dev_err Derived contract for procedure dev_err. Requires: (ldv_module_refcounter == 1) Ensures: (ldv_module_refcounter == 1) - ProcedureContractResult [Line: 4244]: Procedure Contract for ldv_error Derived contract for procedure ldv_error. Requires: 0 Ensures: 0 - ProcedureContractResult [Line: 4506]: Procedure Contract for pci_unregister_driver Derived contract for procedure pci_unregister_driver. Requires: (ldv_module_refcounter == 1) Ensures: (ldv_module_refcounter == 1) - ProcedureContractResult [Line: 3703]: Procedure Contract for agp_amd64_resume Derived contract for procedure agp_amd64_resume. Requires: (ldv_module_refcounter == 1) Ensures: (ldv_module_refcounter == 1) - ProcedureContractResult [Line: 4458]: Procedure Contract for ldv_shutdown_1 Derived contract for procedure ldv_shutdown_1. Requires: (ldv_module_refcounter == 1) Ensures: (ldv_module_refcounter == 1) - ProcedureContractResult [Line: 3196]: Procedure Contract for amd_8151_configure Derived contract for procedure amd_8151_configure. Requires: (ldv_module_refcounter == 1) Ensures: (ldv_module_refcounter == 1) - ProcedureContractResult [Line: 3533]: Procedure Contract for nforce3_agp_init Derived contract for procedure nforce3_agp_init. Requires: (ldv_module_refcounter == 1) Ensures: (ldv_module_refcounter == 1) - ProcedureContractResult [Line: 2950]: Procedure Contract for amd_nb_has_feature Derived contract for procedure amd_nb_has_feature. Requires: (ldv_module_refcounter == 1) Ensures: (ldv_module_refcounter == 1) - ProcedureContractResult [Line: 2729]: Procedure Contract for readl Derived contract for procedure readl. Requires: (ldv_module_refcounter == 1) Ensures: (ldv_module_refcounter == 1) - ProcedureContractResult [Line: 2956]: Procedure Contract for node_to_amd_nb Derived contract for procedure node_to_amd_nb. Requires: (ldv_module_refcounter == 1) Ensures: (ldv_module_refcounter == 1) - ProcedureContractResult [Line: 4454]: Procedure Contract for ldv_resume_early_1 Derived contract for procedure ldv_resume_early_1. Requires: (ldv_module_refcounter == 1) Ensures: (ldv_module_refcounter == 1) - ProcedureContractResult [Line: 4423]: Procedure Contract for agp_put_bridge Derived contract for procedure agp_put_bridge. Requires: (ldv_module_refcounter == 1) Ensures: (ldv_module_refcounter == 1) - ProcedureContractResult [Line: 4447]: Procedure Contract for global_cache_flush Derived contract for procedure global_cache_flush. Requires: (ldv_module_refcounter == 1) Ensures: (ldv_module_refcounter == 1) - ProcedureContractResult [Line: 4433]: Procedure Contract for amd_flush_garts Derived contract for procedure amd_flush_garts. Requires: (ldv_module_refcounter == 1) Ensures: (ldv_module_refcounter == 1) - ProcedureContractResult [Line: 3138]: Procedure Contract for amd64_fetch_size Derived contract for procedure amd64_fetch_size. Requires: (ldv_module_refcounter == 1) Ensures: (ldv_module_refcounter == 1) - ProcedureContractResult [Line: 4408]: Procedure Contract for agp_generic_mask_memory Derived contract for procedure agp_generic_mask_memory. Requires: (ldv_module_refcounter == 1) Ensures: (ldv_module_refcounter == 1) - ProcedureContractResult [Line: 2794]: Procedure Contract for ldv_init_zalloc Derived contract for procedure ldv_init_zalloc. Requires: (ldv_module_refcounter == 1) Ensures: (ldv_module_refcounter == 1) - ProcedureContractResult [Line: 2757]: Procedure Contract for assume_abort_if_not Derived contract for procedure assume_abort_if_not. Requires: (ldv_module_refcounter == 1) Ensures: (ldv_module_refcounter == 1) - ProcedureContractResult [Line: 2744]: Procedure Contract for virt_to_phys Derived contract for procedure virt_to_phys. Requires: (ldv_module_refcounter == 1) Ensures: (ldv_module_refcounter == 1) - ProcedureContractResult [Line: 4492]: Procedure Contract for pci_get_slot Derived contract for procedure pci_get_slot. Requires: (ldv_module_refcounter == 1) Ensures: (ldv_module_refcounter == 1) - ProcedureContractResult [Line: 2760]: Procedure Contract for ldv_malloc Derived contract for procedure ldv_malloc. Requires: (ldv_module_refcounter == 1) Ensures: (ldv_module_refcounter == 1) - ProcedureContractResult [Line: 4485]: Procedure Contract for pci_dev_put Derived contract for procedure pci_dev_put. Requires: (ldv_module_refcounter == 1) Ensures: (ldv_module_refcounter == 1) - ProcedureContractResult [Line: 3677]: Procedure Contract for agp_amd64_remove Derived contract for procedure agp_amd64_remove. Requires: (ldv_module_refcounter == 1) Ensures: (ldv_module_refcounter == 1) - ProcedureContractResult [Line: 3040]: Procedure Contract for amd64_tlbflush Derived contract for procedure amd64_tlbflush. Requires: (ldv_module_refcounter == 1) Ensures: (ldv_module_refcounter == 1) - ProcedureContractResult [Line: 2805]: Procedure Contract for ldv_memset Derived contract for procedure ldv_memset. Requires: (ldv_module_refcounter == 1) Ensures: (ldv_module_refcounter == 1) - ProcedureContractResult [Line: 3282]: Procedure Contract for agp_aperture_valid Derived contract for procedure agp_aperture_valid. Requires: (ldv_module_refcounter == 1) Ensures: (ldv_module_refcounter == 1) RESULT: Ultimate proved your program to be correct! [2024-10-13 08:07:34,949 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Ended with exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: TRUE