./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 84cfde4a Calling Ultimate with: /root/.sdkman/candidates/java/current/bin/java -Dosgi.configuration.area=/storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate-clean/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-clean/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate-clean/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-dev-84cfde4 [2024-10-11 15:26:10,520 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-10-11 15:26:10,594 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Default.epf [2024-10-11 15:26:10,601 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-10-11 15:26:10,602 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-10-11 15:26:10,637 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-10-11 15:26:10,640 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-10-11 15:26:10,640 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-10-11 15:26:10,641 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-10-11 15:26:10,643 INFO L153 SettingsManager]: * Use memory slicer=true [2024-10-11 15:26:10,643 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-10-11 15:26:10,643 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-10-11 15:26:10,644 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-10-11 15:26:10,644 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-10-11 15:26:10,646 INFO L153 SettingsManager]: * Use SBE=true [2024-10-11 15:26:10,646 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-10-11 15:26:10,647 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-10-11 15:26:10,647 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-10-11 15:26:10,647 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-10-11 15:26:10,647 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-10-11 15:26:10,648 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-10-11 15:26:10,651 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-10-11 15:26:10,652 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-10-11 15:26:10,652 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-10-11 15:26:10,652 INFO L153 SettingsManager]: * Use constant arrays=true [2024-10-11 15:26:10,653 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-10-11 15:26:10,653 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-10-11 15:26:10,653 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-10-11 15:26:10,653 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-10-11 15:26:10,654 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-10-11 15:26:10,654 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-10-11 15:26:10,655 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-10-11 15:26:10,655 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-10-11 15:26:10,656 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-10-11 15:26:10,656 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-10-11 15:26:10,656 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-10-11 15:26:10,657 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-10-11 15:26:10,657 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-10-11 15:26:10,657 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-10-11 15:26:10,657 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-clean/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> e3ad79c73c7c36539d3c26bfe8df446634cd4736d8e3f680a88d06ab7ac88dc6 [2024-10-11 15:26:10,947 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-10-11 15:26:10,972 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-10-11 15:26:10,975 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-10-11 15:26:10,976 INFO L270 PluginConnector]: Initializing CDTParser... [2024-10-11 15:26:10,977 INFO L274 PluginConnector]: CDTParser initialized [2024-10-11 15:26:10,978 INFO L431 ainManager$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 [2024-10-11 15:26:12,499 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-10-11 15:26:12,924 INFO L384 CDTParser]: Found 1 translation units. [2024-10-11 15:26:12,925 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 [2024-10-11 15:26:12,967 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/data/13ef9bc82/ed0ef83069614255bf5a27dfd6592475/FLAGdc7fa5c9c [2024-10-11 15:26:12,983 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/data/13ef9bc82/ed0ef83069614255bf5a27dfd6592475 [2024-10-11 15:26:12,986 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-10-11 15:26:12,987 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-10-11 15:26:12,990 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-10-11 15:26:12,991 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-10-11 15:26:12,997 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-10-11 15:26:12,998 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 11.10 03:26:12" (1/1) ... [2024-10-11 15:26:13,000 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@36e7a959 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 03:26:12, skipping insertion in model container [2024-10-11 15:26:13,001 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 11.10 03:26:12" (1/1) ... [2024-10-11 15:26:13,102 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-10-11 15:26:14,020 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] [2024-10-11 15:26:14,061 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-10-11 15:26:14,105 INFO L200 MainTranslator]: Completed pre-run [2024-10-11 15:26:14,183 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] [2024-10-11 15:26:14,186 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("movl %1,%0": "=r" (ret): "m" (*((unsigned int volatile *)addr)): "memory"); [2733] [2024-10-11 15:26:14,186 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("movl %0,%1": : "r" (val), "m" (*((unsigned int volatile *)addr)): "memory"); [2740] [2024-10-11 15:26:14,236 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] [2024-10-11 15:26:14,353 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] [2024-10-11 15:26:14,385 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-10-11 15:26:14,478 INFO L204 MainTranslator]: Completed translation [2024-10-11 15:26:14,478 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 03:26:14 WrapperNode [2024-10-11 15:26:14,479 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-10-11 15:26:14,480 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-10-11 15:26:14,481 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-10-11 15:26:14,481 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-10-11 15:26:14,489 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 03:26:14" (1/1) ... [2024-10-11 15:26:14,552 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 03:26:14" (1/1) ... [2024-10-11 15:26:14,656 INFO L138 Inliner]: procedures = 142, calls = 804, calls flagged for inlining = 74, calls inlined = 71, statements flattened = 2319 [2024-10-11 15:26:14,657 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-10-11 15:26:14,658 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-10-11 15:26:14,658 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-10-11 15:26:14,659 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-10-11 15:26:14,669 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 03:26:14" (1/1) ... [2024-10-11 15:26:14,669 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 03:26:14" (1/1) ... [2024-10-11 15:26:14,685 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 03:26:14" (1/1) ... [2024-10-11 15:26:14,831 INFO L175 MemorySlicer]: Split 442 memory accesses to 12 slices as follows [2, 29, 22, 7, 42, 15, 291, 1, 21, 6, 4, 2]. 66 percent of accesses are in the largest equivalence class. The 291 initializations are split as follows [2, 28, 20, 0, 41, 0, 179, 0, 21, 0, 0, 0]. The 39 writes are split as follows [0, 0, 0, 2, 1, 2, 33, 0, 0, 0, 0, 1]. [2024-10-11 15:26:14,832 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 03:26:14" (1/1) ... [2024-10-11 15:26:14,835 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 03:26:14" (1/1) ... [2024-10-11 15:26:14,918 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 03:26:14" (1/1) ... [2024-10-11 15:26:14,934 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 03:26:14" (1/1) ... [2024-10-11 15:26:14,956 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 03:26:14" (1/1) ... [2024-10-11 15:26:14,969 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 03:26:14" (1/1) ... [2024-10-11 15:26:14,995 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-10-11 15:26:14,997 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-10-11 15:26:14,997 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-10-11 15:26:14,997 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-10-11 15:26:14,998 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 03:26:14" (1/1) ... [2024-10-11 15:26:15,003 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-10-11 15:26:15,014 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 [2024-10-11 15:26:15,030 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-10-11 15:26:15,032 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-10-11 15:26:15,078 INFO L130 BoogieDeclarations]: Found specification of procedure pci_write_config_dword [2024-10-11 15:26:15,078 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_write_config_dword [2024-10-11 15:26:15,078 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#0 [2024-10-11 15:26:15,078 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#1 [2024-10-11 15:26:15,078 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#2 [2024-10-11 15:26:15,079 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#3 [2024-10-11 15:26:15,079 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#4 [2024-10-11 15:26:15,079 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#5 [2024-10-11 15:26:15,079 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#6 [2024-10-11 15:26:15,079 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#7 [2024-10-11 15:26:15,081 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#8 [2024-10-11 15:26:15,081 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#9 [2024-10-11 15:26:15,081 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#10 [2024-10-11 15:26:15,081 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#11 [2024-10-11 15:26:15,081 INFO L130 BoogieDeclarations]: Found specification of procedure _dev_info [2024-10-11 15:26:15,082 INFO L138 BoogieDeclarations]: Found implementation of procedure _dev_info [2024-10-11 15:26:15,082 INFO L130 BoogieDeclarations]: Found specification of procedure pci_unregister_driver [2024-10-11 15:26:15,082 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_unregister_driver [2024-10-11 15:26:15,082 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_shutdown_1 [2024-10-11 15:26:15,082 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_shutdown_1 [2024-10-11 15:26:15,082 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2024-10-11 15:26:15,082 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2024-10-11 15:26:15,082 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#0 [2024-10-11 15:26:15,082 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#1 [2024-10-11 15:26:15,082 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#2 [2024-10-11 15:26:15,083 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#3 [2024-10-11 15:26:15,083 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#4 [2024-10-11 15:26:15,083 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#5 [2024-10-11 15:26:15,083 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#6 [2024-10-11 15:26:15,083 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#7 [2024-10-11 15:26:15,083 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#8 [2024-10-11 15:26:15,083 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#9 [2024-10-11 15:26:15,083 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#10 [2024-10-11 15:26:15,083 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#11 [2024-10-11 15:26:15,083 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.meminit [2024-10-11 15:26:15,083 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.meminit [2024-10-11 15:26:15,083 INFO L130 BoogieDeclarations]: Found specification of procedure node_to_amd_nb [2024-10-11 15:26:15,084 INFO L138 BoogieDeclarations]: Found implementation of procedure node_to_amd_nb [2024-10-11 15:26:15,084 INFO L130 BoogieDeclarations]: Found specification of procedure agp_generic_mask_memory [2024-10-11 15:26:15,084 INFO L138 BoogieDeclarations]: Found implementation of procedure agp_generic_mask_memory [2024-10-11 15:26:15,084 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2024-10-11 15:26:15,084 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2024-10-11 15:26:15,084 INFO L130 BoogieDeclarations]: Found specification of procedure amd_nb_num [2024-10-11 15:26:15,085 INFO L138 BoogieDeclarations]: Found implementation of procedure amd_nb_num [2024-10-11 15:26:15,085 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#0 [2024-10-11 15:26:15,085 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#1 [2024-10-11 15:26:15,085 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#2 [2024-10-11 15:26:15,085 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#3 [2024-10-11 15:26:15,086 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#4 [2024-10-11 15:26:15,086 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#5 [2024-10-11 15:26:15,086 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#6 [2024-10-11 15:26:15,086 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#7 [2024-10-11 15:26:15,086 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#8 [2024-10-11 15:26:15,086 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#9 [2024-10-11 15:26:15,086 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#10 [2024-10-11 15:26:15,086 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#11 [2024-10-11 15:26:15,086 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_error [2024-10-11 15:26:15,087 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_error [2024-10-11 15:26:15,087 INFO L130 BoogieDeclarations]: Found specification of procedure agp_amd64_resume [2024-10-11 15:26:15,087 INFO L138 BoogieDeclarations]: Found implementation of procedure agp_amd64_resume [2024-10-11 15:26:15,087 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_init_zalloc [2024-10-11 15:26:15,087 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_init_zalloc [2024-10-11 15:26:15,087 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-10-11 15:26:15,087 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-10-11 15:26:15,088 INFO L130 BoogieDeclarations]: Found specification of procedure virt_to_phys [2024-10-11 15:26:15,088 INFO L138 BoogieDeclarations]: Found implementation of procedure virt_to_phys [2024-10-11 15:26:15,088 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2024-10-11 15:26:15,088 INFO L130 BoogieDeclarations]: Found specification of procedure pci_dev_put [2024-10-11 15:26:15,088 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_dev_put [2024-10-11 15:26:15,088 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_memset [2024-10-11 15:26:15,088 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_memset [2024-10-11 15:26:15,089 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-10-11 15:26:15,089 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2024-10-11 15:26:15,089 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#0 [2024-10-11 15:26:15,089 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#1 [2024-10-11 15:26:15,089 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#2 [2024-10-11 15:26:15,089 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#3 [2024-10-11 15:26:15,089 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#4 [2024-10-11 15:26:15,089 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#5 [2024-10-11 15:26:15,089 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#6 [2024-10-11 15:26:15,090 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#7 [2024-10-11 15:26:15,090 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#8 [2024-10-11 15:26:15,090 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#9 [2024-10-11 15:26:15,090 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#10 [2024-10-11 15:26:15,090 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#11 [2024-10-11 15:26:15,090 INFO L130 BoogieDeclarations]: Found specification of procedure agp_generic_type_to_mask_type [2024-10-11 15:26:15,090 INFO L138 BoogieDeclarations]: Found implementation of procedure agp_generic_type_to_mask_type [2024-10-11 15:26:15,090 INFO L130 BoogieDeclarations]: Found specification of procedure pci_read_config_dword [2024-10-11 15:26:15,090 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_read_config_dword [2024-10-11 15:26:15,090 INFO L130 BoogieDeclarations]: Found specification of procedure amd_8151_configure [2024-10-11 15:26:15,090 INFO L138 BoogieDeclarations]: Found implementation of procedure amd_8151_configure [2024-10-11 15:26:15,091 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#0 [2024-10-11 15:26:15,091 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#1 [2024-10-11 15:26:15,091 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#2 [2024-10-11 15:26:15,091 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#3 [2024-10-11 15:26:15,091 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#4 [2024-10-11 15:26:15,091 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#5 [2024-10-11 15:26:15,091 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#6 [2024-10-11 15:26:15,091 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#7 [2024-10-11 15:26:15,091 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#8 [2024-10-11 15:26:15,091 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#9 [2024-10-11 15:26:15,091 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#10 [2024-10-11 15:26:15,091 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#11 [2024-10-11 15:26:15,091 INFO L130 BoogieDeclarations]: Found specification of procedure nforce3_agp_init [2024-10-11 15:26:15,092 INFO L138 BoogieDeclarations]: Found implementation of procedure nforce3_agp_init [2024-10-11 15:26:15,092 INFO L130 BoogieDeclarations]: Found specification of procedure amd_nb_has_feature [2024-10-11 15:26:15,092 INFO L138 BoogieDeclarations]: Found implementation of procedure amd_nb_has_feature [2024-10-11 15:26:15,092 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_resume_early_1 [2024-10-11 15:26:15,092 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_resume_early_1 [2024-10-11 15:26:15,092 INFO L130 BoogieDeclarations]: Found specification of procedure global_cache_flush [2024-10-11 15:26:15,092 INFO L138 BoogieDeclarations]: Found implementation of procedure global_cache_flush [2024-10-11 15:26:15,092 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-10-11 15:26:15,092 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#0 [2024-10-11 15:26:15,092 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#1 [2024-10-11 15:26:15,092 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#2 [2024-10-11 15:26:15,092 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#3 [2024-10-11 15:26:15,092 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#4 [2024-10-11 15:26:15,092 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#5 [2024-10-11 15:26:15,093 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#6 [2024-10-11 15:26:15,093 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#7 [2024-10-11 15:26:15,093 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#8 [2024-10-11 15:26:15,093 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#9 [2024-10-11 15:26:15,093 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#10 [2024-10-11 15:26:15,093 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#11 [2024-10-11 15:26:15,093 INFO L130 BoogieDeclarations]: Found specification of procedure pci_set_power_state [2024-10-11 15:26:15,094 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_set_power_state [2024-10-11 15:26:15,094 INFO L130 BoogieDeclarations]: Found specification of procedure printk [2024-10-11 15:26:15,094 INFO L138 BoogieDeclarations]: Found implementation of procedure printk [2024-10-11 15:26:15,094 INFO L130 BoogieDeclarations]: Found specification of procedure dev_err [2024-10-11 15:26:15,094 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_err [2024-10-11 15:26:15,094 INFO L130 BoogieDeclarations]: Found specification of procedure readl [2024-10-11 15:26:15,095 INFO L138 BoogieDeclarations]: Found implementation of procedure readl [2024-10-11 15:26:15,095 INFO L130 BoogieDeclarations]: Found specification of procedure agp_put_bridge [2024-10-11 15:26:15,095 INFO L138 BoogieDeclarations]: Found implementation of procedure agp_put_bridge [2024-10-11 15:26:15,095 INFO L130 BoogieDeclarations]: Found specification of procedure amd_flush_garts [2024-10-11 15:26:15,095 INFO L138 BoogieDeclarations]: Found implementation of procedure amd_flush_garts [2024-10-11 15:26:15,095 INFO L130 BoogieDeclarations]: Found specification of procedure amd64_fetch_size [2024-10-11 15:26:15,095 INFO L138 BoogieDeclarations]: Found implementation of procedure amd64_fetch_size [2024-10-11 15:26:15,095 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-10-11 15:26:15,095 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#1 [2024-10-11 15:26:15,096 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#2 [2024-10-11 15:26:15,096 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#3 [2024-10-11 15:26:15,096 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#4 [2024-10-11 15:26:15,096 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#5 [2024-10-11 15:26:15,096 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#6 [2024-10-11 15:26:15,096 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#7 [2024-10-11 15:26:15,096 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#8 [2024-10-11 15:26:15,096 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#9 [2024-10-11 15:26:15,097 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#10 [2024-10-11 15:26:15,097 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#11 [2024-10-11 15:26:15,097 INFO L130 BoogieDeclarations]: Found specification of procedure pci_get_slot [2024-10-11 15:26:15,097 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_get_slot [2024-10-11 15:26:15,097 INFO L130 BoogieDeclarations]: Found specification of procedure agp_amd64_remove [2024-10-11 15:26:15,097 INFO L138 BoogieDeclarations]: Found implementation of procedure agp_amd64_remove [2024-10-11 15:26:15,097 INFO L130 BoogieDeclarations]: Found specification of procedure amd64_tlbflush [2024-10-11 15:26:15,098 INFO L138 BoogieDeclarations]: Found implementation of procedure amd64_tlbflush [2024-10-11 15:26:15,098 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-10-11 15:26:15,098 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-10-11 15:26:15,098 INFO L130 BoogieDeclarations]: Found specification of procedure agp_aperture_valid [2024-10-11 15:26:15,098 INFO L138 BoogieDeclarations]: Found implementation of procedure agp_aperture_valid [2024-10-11 15:26:15,583 INFO L238 CfgBuilder]: Building ICFG [2024-10-11 15:26:15,588 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-10-11 15:26:15,660 INFO L733 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stopFINAL: assume true; [2024-10-11 15:26:17,608 INFO L? ?]: Removed 820 outVars from TransFormulas that were not future-live. [2024-10-11 15:26:17,608 INFO L287 CfgBuilder]: Performing block encoding [2024-10-11 15:26:17,813 INFO L309 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-10-11 15:26:17,813 INFO L314 CfgBuilder]: Removed 0 assume(true) statements. [2024-10-11 15:26:17,814 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 11.10 03:26:17 BoogieIcfgContainer [2024-10-11 15:26:17,814 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-10-11 15:26:17,819 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-10-11 15:26:17,819 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-10-11 15:26:17,823 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-10-11 15:26:17,823 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 11.10 03:26:12" (1/3) ... [2024-10-11 15:26:17,823 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@493ab43c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 11.10 03:26:17, skipping insertion in model container [2024-10-11 15:26:17,824 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 03:26:14" (2/3) ... [2024-10-11 15:26:17,824 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@493ab43c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 11.10 03:26:17, skipping insertion in model container [2024-10-11 15:26:17,824 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 11.10 03:26:17" (3/3) ... [2024-10-11 15:26:17,825 INFO L112 eAbstractionObserver]: Analyzing ICFG linux-4.2-rc1.tar.xz-08_1a-drivers--char--agp--amd64-agp.ko-entry_point.cil.out.i [2024-10-11 15:26:17,841 INFO L209 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-10-11 15:26:17,842 INFO L149 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2024-10-11 15:26:17,926 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-10-11 15:26:17,932 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;@367f3684, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-10-11 15:26:17,934 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-10-11 15:26:17,943 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) [2024-10-11 15:26:17,963 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 109 [2024-10-11 15:26:17,964 INFO L207 NwaCegarLoop]: Found error trace [2024-10-11 15:26:17,965 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] [2024-10-11 15:26:17,965 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-11 15:26:17,970 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-11 15:26:17,971 INFO L85 PathProgramCache]: Analyzing trace with hash -909197114, now seen corresponding path program 1 times [2024-10-11 15:26:17,980 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-11 15:26:17,980 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1007937118] [2024-10-11 15:26:17,981 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 15:26:17,981 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-11 15:26:18,635 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 15:26:18,853 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-11 15:26:18,864 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 15:26:18,880 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-11 15:26:18,886 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 15:26:18,895 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-10-11 15:26:18,896 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 15:26:18,903 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2024-10-11 15:26:18,910 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 15:26:18,920 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-11 15:26:18,922 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 15:26:18,926 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-10-11 15:26:18,926 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 15:26:18,942 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2024-10-11 15:26:18,948 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 15:26:18,958 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2024-10-11 15:26:18,961 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 15:26:18,970 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2024-10-11 15:26:18,975 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 15:26:18,982 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2024-10-11 15:26:18,988 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 15:26:18,994 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 49 [2024-10-11 15:26:18,999 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 15:26:19,006 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2024-10-11 15:26:19,012 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 15:26:19,018 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 59 [2024-10-11 15:26:19,024 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 15:26:19,031 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2024-10-11 15:26:19,034 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 15:26:19,043 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2024-10-11 15:26:19,052 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 15:26:19,062 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 74 [2024-10-11 15:26:19,070 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 15:26:19,078 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 79 [2024-10-11 15:26:19,083 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 15:26:19,090 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2024-10-11 15:26:19,096 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 15:26:19,106 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2024-10-11 15:26:19,111 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 15:26:19,120 INFO L134 CoverageAnalysis]: Checked inductivity of 246 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 246 trivial. 0 not checked. [2024-10-11 15:26:19,120 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-11 15:26:19,121 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1007937118] [2024-10-11 15:26:19,121 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1007937118] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-11 15:26:19,121 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-11 15:26:19,121 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-10-11 15:26:19,124 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1767861637] [2024-10-11 15:26:19,125 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-11 15:26:19,130 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-10-11 15:26:19,131 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-11 15:26:19,154 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-10-11 15:26:19,155 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2024-10-11 15:26:19,158 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) [2024-10-11 15:26:21,674 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-11 15:26:21,674 INFO L93 Difference]: Finished difference Result 1275 states and 1944 transitions. [2024-10-11 15:26:21,676 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-10-11 15:26:21,677 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 [2024-10-11 15:26:21,678 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-11 15:26:21,704 INFO L225 Difference]: With dead ends: 1275 [2024-10-11 15:26:21,704 INFO L226 Difference]: Without dead ends: 660 [2024-10-11 15:26:21,714 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 48 GetRequests, 43 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=18, Invalid=24, Unknown=0, NotChecked=0, Total=42 [2024-10-11 15:26:21,717 INFO L432 NwaCegarLoop]: 604 mSDtfsCounter, 371 mSDsluCounter, 1162 mSDsCounter, 0 mSdLazyCounter, 1016 mSolverCounterSat, 361 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.0s 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, 2.3s IncrementalHoareTripleChecker+Time [2024-10-11 15:26:21,718 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [398 Valid, 1766 Invalid, 1377 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [361 Valid, 1016 Invalid, 0 Unknown, 0 Unchecked, 2.3s Time] [2024-10-11 15:26:21,741 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 660 states. [2024-10-11 15:26:21,830 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 660 to 600. [2024-10-11 15:26:21,833 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) [2024-10-11 15:26:21,838 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 600 states to 600 states and 885 transitions. [2024-10-11 15:26:21,842 INFO L78 Accepts]: Start accepts. Automaton has 600 states and 885 transitions. Word has length 108 [2024-10-11 15:26:21,842 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-11 15:26:21,842 INFO L471 AbstractCegarLoop]: Abstraction has 600 states and 885 transitions. [2024-10-11 15:26:21,843 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) [2024-10-11 15:26:21,843 INFO L276 IsEmpty]: Start isEmpty. Operand 600 states and 885 transitions. [2024-10-11 15:26:21,851 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 109 [2024-10-11 15:26:21,851 INFO L207 NwaCegarLoop]: Found error trace [2024-10-11 15:26:21,851 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] [2024-10-11 15:26:21,852 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-10-11 15:26:21,852 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-11 15:26:21,854 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-11 15:26:21,854 INFO L85 PathProgramCache]: Analyzing trace with hash 1998326602, now seen corresponding path program 1 times [2024-10-11 15:26:21,855 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-11 15:26:21,855 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [752967127] [2024-10-11 15:26:21,855 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 15:26:21,857 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-11 15:26:22,222 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 15:26:22,400 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-11 15:26:22,406 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 15:26:22,425 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-11 15:26:22,426 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 15:26:22,430 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-10-11 15:26:22,431 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 15:26:22,436 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2024-10-11 15:26:22,441 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 15:26:22,450 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-11 15:26:22,452 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 15:26:22,456 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-10-11 15:26:22,458 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 15:26:22,473 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2024-10-11 15:26:22,476 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 15:26:22,483 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2024-10-11 15:26:22,487 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 15:26:22,493 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2024-10-11 15:26:22,497 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 15:26:22,503 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2024-10-11 15:26:22,507 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 15:26:22,513 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 49 [2024-10-11 15:26:22,517 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 15:26:22,529 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2024-10-11 15:26:22,536 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 15:26:22,543 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 59 [2024-10-11 15:26:22,548 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 15:26:22,554 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2024-10-11 15:26:22,558 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 15:26:22,566 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2024-10-11 15:26:22,570 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 15:26:22,577 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 74 [2024-10-11 15:26:22,584 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 15:26:22,592 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 79 [2024-10-11 15:26:22,595 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 15:26:22,602 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2024-10-11 15:26:22,606 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 15:26:22,613 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2024-10-11 15:26:22,616 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 15:26:22,627 INFO L134 CoverageAnalysis]: Checked inductivity of 246 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 246 trivial. 0 not checked. [2024-10-11 15:26:22,628 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-11 15:26:22,628 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [752967127] [2024-10-11 15:26:22,628 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [752967127] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-11 15:26:22,628 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-11 15:26:22,629 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2024-10-11 15:26:22,629 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1374641371] [2024-10-11 15:26:22,630 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-11 15:26:22,631 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-10-11 15:26:22,631 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-11 15:26:22,632 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-10-11 15:26:22,634 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2024-10-11 15:26:22,635 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) [2024-10-11 15:26:24,887 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-11 15:26:24,887 INFO L93 Difference]: Finished difference Result 660 states and 998 transitions. [2024-10-11 15:26:24,888 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-10-11 15:26:24,888 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 [2024-10-11 15:26:24,889 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-11 15:26:24,890 INFO L225 Difference]: With dead ends: 660 [2024-10-11 15:26:24,891 INFO L226 Difference]: Without dead ends: 0 [2024-10-11 15:26:24,894 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 [2024-10-11 15:26:24,895 INFO L432 NwaCegarLoop]: 591 mSDtfsCounter, 1149 mSDsluCounter, 775 mSDsCounter, 0 mSdLazyCounter, 769 mSolverCounterSat, 678 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.8s 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, 2.1s IncrementalHoareTripleChecker+Time [2024-10-11 15:26:24,896 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1241 Valid, 1366 Invalid, 1447 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [678 Valid, 769 Invalid, 0 Unknown, 0 Unchecked, 2.1s Time] [2024-10-11 15:26:24,897 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2024-10-11 15:26:24,898 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2024-10-11 15:26:24,899 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) [2024-10-11 15:26:24,900 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2024-10-11 15:26:24,900 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 108 [2024-10-11 15:26:24,901 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-11 15:26:24,901 INFO L471 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2024-10-11 15:26:24,901 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) [2024-10-11 15:26:24,901 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2024-10-11 15:26:24,901 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2024-10-11 15:26:24,905 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2024-10-11 15:26:24,906 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-10-11 15:26:24,909 INFO L407 BasicCegarLoop]: Path program histogram: [1, 1] [2024-10-11 15:26:24,911 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2024-10-11 15:26:25,773 INFO L165 ceAbstractionStarter]: Computing trace abstraction results [2024-10-11 15:26:25,795 WARN L953 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: ~ldv_module_refcounter~0 [2024-10-11 15:26:25,813 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#6| |old(#memory_int#6)|) (= |old(#valid)| |#valid|)) Eliminated clause: (= ~ldv_module_refcounter~0 1) [2024-10-11 15:26:25,816 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#6| |old(#memory_int#6)|) (= |old(#valid)| |#valid|)) Eliminated clause: (= ~ldv_module_refcounter~0 1) [2024-10-11 15:26:25,817 WARN L155 FloydHoareUtils]: Requires clause for #Ultimate.meminit contained old-variable. Original clause: (and (= ~ldv_module_refcounter~0 1) (= |#memory_int#6| |old(#memory_int#6)|)) Eliminated clause: (= ~ldv_module_refcounter~0 1) [2024-10-11 15:26:25,821 WARN L953 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: ~ldv_module_refcounter~0 [2024-10-11 15:26:25,822 WARN L953 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: ~ldv_module_refcounter~0 [2024-10-11 15:26:25,823 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#6| |old(#memory_int#6)|) (= |old(#valid)| |#valid|)) Eliminated clause: (= ~ldv_module_refcounter~0 1) [2024-10-11 15:26:25,825 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#6| |old(#memory_int#6)|) (= |old(#valid)| |#valid|)) Eliminated clause: (= ~ldv_module_refcounter~0 1) [2024-10-11 15:26:25,829 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#6| |old(#memory_int#6)|) (= |old(#valid)| |#valid|)) Eliminated clause: (= ~ldv_module_refcounter~0 1) [2024-10-11 15:26:25,833 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) [2024-10-11 15:26:25,834 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) [2024-10-11 15:26:25,839 WARN L155 FloydHoareUtils]: Requires clause for ldv_memset contained old-variable. Original clause: (and (= ~ldv_module_refcounter~0 1) (= |old(#memory_$Pointer$#5.offset)| |#memory_$Pointer$#5.offset|) (= |#memory_int#5| |old(#memory_int#5)|) (= |#memory_$Pointer$#5.base| |old(#memory_$Pointer$#5.base)|)) Eliminated clause: (= ~ldv_module_refcounter~0 1) [2024-10-11 15:26:25,840 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) [2024-10-11 15:26:25,843 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 11.10 03:26:25 BoogieIcfgContainer [2024-10-11 15:26:25,843 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-10-11 15:26:25,843 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-10-11 15:26:25,843 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-10-11 15:26:25,844 INFO L274 PluginConnector]: Witness Printer initialized [2024-10-11 15:26:25,844 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 11.10 03:26:17" (3/4) ... [2024-10-11 15:26:25,847 INFO L139 WitnessPrinter]: Generating witness for correct program [2024-10-11 15:26:25,850 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure pci_write_config_dword [2024-10-11 15:26:25,851 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure amd_nb_num [2024-10-11 15:26:25,851 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure pci_set_power_state [2024-10-11 15:26:25,851 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure printk [2024-10-11 15:26:25,851 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure agp_generic_type_to_mask_type [2024-10-11 15:26:25,851 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure pci_read_config_dword [2024-10-11 15:26:25,851 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure _dev_info [2024-10-11 15:26:25,851 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure dev_err [2024-10-11 15:26:25,852 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure ldv_error [2024-10-11 15:26:25,852 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure pci_unregister_driver [2024-10-11 15:26:25,852 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure agp_amd64_resume [2024-10-11 15:26:25,852 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure ldv_shutdown_1 [2024-10-11 15:26:25,852 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure amd_8151_configure [2024-10-11 15:26:25,852 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure ldv_stop [2024-10-11 15:26:25,852 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure #Ultimate.meminit [2024-10-11 15:26:25,853 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure nforce3_agp_init [2024-10-11 15:26:25,853 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure amd_nb_has_feature [2024-10-11 15:26:25,853 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure readl [2024-10-11 15:26:25,853 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure node_to_amd_nb [2024-10-11 15:26:25,853 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure ldv_resume_early_1 [2024-10-11 15:26:25,853 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure agp_put_bridge [2024-10-11 15:26:25,853 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure global_cache_flush [2024-10-11 15:26:25,853 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure amd_flush_garts [2024-10-11 15:26:25,854 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure amd64_fetch_size [2024-10-11 15:26:25,854 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure agp_generic_mask_memory [2024-10-11 15:26:25,854 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure ldv_init_zalloc [2024-10-11 15:26:25,854 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure assume_abort_if_not [2024-10-11 15:26:25,854 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure virt_to_phys [2024-10-11 15:26:25,854 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure pci_get_slot [2024-10-11 15:26:25,854 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure ldv_malloc [2024-10-11 15:26:25,855 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure pci_dev_put [2024-10-11 15:26:25,855 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure agp_amd64_remove [2024-10-11 15:26:25,855 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure amd64_tlbflush [2024-10-11 15:26:25,855 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure ldv_memset [2024-10-11 15:26:25,856 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure agp_aperture_valid [2024-10-11 15:26:25,895 INFO L904 BoogieBacktranslator]: Reduced CFG by removing 291 nodes and edges [2024-10-11 15:26:25,899 INFO L904 BoogieBacktranslator]: Reduced CFG by removing 99 nodes and edges [2024-10-11 15:26:25,903 INFO L904 BoogieBacktranslator]: Reduced CFG by removing 25 nodes and edges [2024-10-11 15:26:25,907 INFO L904 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2024-10-11 15:26:25,913 INFO L904 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2024-10-11 15:26:25,917 INFO L904 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2024-10-11 15:26:26,223 INFO L149 WitnessManager]: Wrote witness to /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/witness.graphml [2024-10-11 15:26:26,223 INFO L149 WitnessManager]: Wrote witness to /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/witness.yml [2024-10-11 15:26:26,224 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-10-11 15:26:26,224 INFO L158 Benchmark]: Toolchain (without parser) took 13237.01ms. Allocated memory was 123.7MB in the beginning and 415.2MB in the end (delta: 291.5MB). Free memory was 61.9MB in the beginning and 139.6MB in the end (delta: -77.7MB). Peak memory consumption was 213.5MB. Max. memory is 16.1GB. [2024-10-11 15:26:26,224 INFO L158 Benchmark]: CDTParser took 0.19ms. Allocated memory is still 123.7MB. Free memory is still 93.3MB. There was no memory consumed. Max. memory is 16.1GB. [2024-10-11 15:26:26,225 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1488.52ms. Allocated memory was 123.7MB in the beginning and 180.4MB in the end (delta: 56.6MB). Free memory was 61.9MB in the beginning and 120.9MB in the end (delta: -59.0MB). Peak memory consumption was 53.9MB. Max. memory is 16.1GB. [2024-10-11 15:26:26,225 INFO L158 Benchmark]: Boogie Procedure Inliner took 177.54ms. Allocated memory is still 180.4MB. Free memory was 120.9MB in the beginning and 107.3MB in the end (delta: 13.6MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. [2024-10-11 15:26:26,225 INFO L158 Benchmark]: Boogie Preprocessor took 337.61ms. Allocated memory is still 180.4MB. Free memory was 107.3MB in the beginning and 120.6MB in the end (delta: -13.3MB). Peak memory consumption was 52.8MB. Max. memory is 16.1GB. [2024-10-11 15:26:26,226 INFO L158 Benchmark]: RCFGBuilder took 2817.44ms. Allocated memory was 180.4MB in the beginning and 274.7MB in the end (delta: 94.4MB). Free memory was 120.6MB in the beginning and 201.7MB in the end (delta: -81.2MB). Peak memory consumption was 127.5MB. Max. memory is 16.1GB. [2024-10-11 15:26:26,226 INFO L158 Benchmark]: TraceAbstraction took 8023.58ms. Allocated memory was 274.7MB in the beginning and 415.2MB in the end (delta: 140.5MB). Free memory was 200.7MB in the beginning and 185.7MB in the end (delta: 15.0MB). Peak memory consumption was 155.5MB. Max. memory is 16.1GB. [2024-10-11 15:26:26,226 INFO L158 Benchmark]: Witness Printer took 380.22ms. Allocated memory is still 415.2MB. Free memory was 185.7MB in the beginning and 139.6MB in the end (delta: 46.1MB). Peak memory consumption was 44.0MB. Max. memory is 16.1GB. [2024-10-11 15:26:26,227 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.19ms. Allocated memory is still 123.7MB. Free memory is still 93.3MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1488.52ms. Allocated memory was 123.7MB in the beginning and 180.4MB in the end (delta: 56.6MB). Free memory was 61.9MB in the beginning and 120.9MB in the end (delta: -59.0MB). Peak memory consumption was 53.9MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 177.54ms. Allocated memory is still 180.4MB. Free memory was 120.9MB in the beginning and 107.3MB in the end (delta: 13.6MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. * Boogie Preprocessor took 337.61ms. Allocated memory is still 180.4MB. Free memory was 107.3MB in the beginning and 120.6MB in the end (delta: -13.3MB). Peak memory consumption was 52.8MB. Max. memory is 16.1GB. * RCFGBuilder took 2817.44ms. Allocated memory was 180.4MB in the beginning and 274.7MB in the end (delta: 94.4MB). Free memory was 120.6MB in the beginning and 201.7MB in the end (delta: -81.2MB). Peak memory consumption was 127.5MB. Max. memory is 16.1GB. * TraceAbstraction took 8023.58ms. Allocated memory was 274.7MB in the beginning and 415.2MB in the end (delta: 140.5MB). Free memory was 200.7MB in the beginning and 185.7MB in the end (delta: 15.0MB). Peak memory consumption was 155.5MB. Max. memory is 16.1GB. * Witness Printer took 380.22ms. Allocated memory is still 415.2MB. Free memory was 185.7MB in the beginning and 139.6MB in the end (delta: 46.1MB). Peak memory consumption was 44.0MB. 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, 4.3s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 1520 mSDsluCounter, 3132 SdHoareTripleChecker+Invalid, 3.8s 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! [2024-10-11 15:26:26,268 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: TRUE