./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/ldv-linux-3.0/usb_urb-drivers-misc-c2port-core.ko.cil.out.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 6497de01 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ab2d0a58-7615-4c23-b385-e0e58b01906d/bin/uautomizer-verify-LYvppIcaGC/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ab2d0a58-7615-4c23-b385-e0e58b01906d/bin/uautomizer-verify-LYvppIcaGC/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ab2d0a58-7615-4c23-b385-e0e58b01906d/bin/uautomizer-verify-LYvppIcaGC/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ab2d0a58-7615-4c23-b385-e0e58b01906d/bin/uautomizer-verify-LYvppIcaGC/config/AutomizerReach.xml -i ../../sv-benchmarks/c/ldv-linux-3.0/usb_urb-drivers-misc-c2port-core.ko.cil.out.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ab2d0a58-7615-4c23-b385-e0e58b01906d/bin/uautomizer-verify-LYvppIcaGC/config/svcomp-Reach-64bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ab2d0a58-7615-4c23-b385-e0e58b01906d/bin/uautomizer-verify-LYvppIcaGC --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 64bit --witnessprinter.graph.data.programhash 623160d4598cd0ad84c7dc43ec65a6f971cb966f22ee32963f1c0c6e1de756e1 --- Real Ultimate output --- This is Ultimate 0.3.0-dev-6497de0 [2024-11-24 01:29:01,565 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-24 01:29:01,671 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ab2d0a58-7615-4c23-b385-e0e58b01906d/bin/uautomizer-verify-LYvppIcaGC/config/svcomp-Reach-64bit-Automizer_Default.epf [2024-11-24 01:29:01,680 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-24 01:29:01,683 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-24 01:29:01,707 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-24 01:29:01,708 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-24 01:29:01,708 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-24 01:29:01,708 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-24 01:29:01,709 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-24 01:29:01,709 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-24 01:29:01,709 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-24 01:29:01,709 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-24 01:29:01,709 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-24 01:29:01,709 INFO L153 SettingsManager]: * Use SBE=true [2024-11-24 01:29:01,709 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-24 01:29:01,709 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-24 01:29:01,710 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-24 01:29:01,710 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-24 01:29:01,710 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-24 01:29:01,710 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-24 01:29:01,710 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-24 01:29:01,710 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-24 01:29:01,710 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2024-11-24 01:29:01,710 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-24 01:29:01,710 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2024-11-24 01:29:01,710 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-24 01:29:01,711 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-24 01:29:01,711 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-24 01:29:01,711 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-24 01:29:01,711 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-24 01:29:01,711 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-24 01:29:01,711 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-24 01:29:01,711 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-24 01:29:01,711 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-24 01:29:01,711 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-24 01:29:01,712 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-24 01:29:01,712 INFO L153 SettingsManager]: * Compute procedure contracts=false [2024-11-24 01:29:01,712 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-24 01:29:01,712 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-11-24 01:29:01,712 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-24 01:29:01,712 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-24 01:29:01,712 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-24 01:29:01,712 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-24 01:29:01,712 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-24 01:29:01,712 INFO L153 SettingsManager]: * Looper check in Petri net analysis=SEMANTIC Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ab2d0a58-7615-4c23-b385-e0e58b01906d/bin/uautomizer-verify-LYvppIcaGC Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 623160d4598cd0ad84c7dc43ec65a6f971cb966f22ee32963f1c0c6e1de756e1 [2024-11-24 01:29:01,976 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-24 01:29:01,985 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-24 01:29:01,988 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-24 01:29:01,990 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-24 01:29:01,990 INFO L274 PluginConnector]: CDTParser initialized [2024-11-24 01:29:01,993 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ab2d0a58-7615-4c23-b385-e0e58b01906d/bin/uautomizer-verify-LYvppIcaGC/../../sv-benchmarks/c/ldv-linux-3.0/usb_urb-drivers-misc-c2port-core.ko.cil.out.i [2024-11-24 01:29:05,146 INFO L533 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ab2d0a58-7615-4c23-b385-e0e58b01906d/bin/uautomizer-verify-LYvppIcaGC/data/862c7eb03/bb6ab02a046c45ee871761e2230a1782/FLAGc82cb138c [2024-11-24 01:29:05,782 INFO L384 CDTParser]: Found 1 translation units. [2024-11-24 01:29:05,785 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ab2d0a58-7615-4c23-b385-e0e58b01906d/sv-benchmarks/c/ldv-linux-3.0/usb_urb-drivers-misc-c2port-core.ko.cil.out.i [2024-11-24 01:29:05,837 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ab2d0a58-7615-4c23-b385-e0e58b01906d/bin/uautomizer-verify-LYvppIcaGC/data/862c7eb03/bb6ab02a046c45ee871761e2230a1782/FLAGc82cb138c [2024-11-24 01:29:05,863 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ab2d0a58-7615-4c23-b385-e0e58b01906d/bin/uautomizer-verify-LYvppIcaGC/data/862c7eb03/bb6ab02a046c45ee871761e2230a1782 [2024-11-24 01:29:05,867 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-24 01:29:05,870 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-24 01:29:05,871 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-24 01:29:05,872 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-24 01:29:05,878 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-24 01:29:05,879 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.11 01:29:05" (1/1) ... [2024-11-24 01:29:05,882 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@51364d3f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 01:29:05, skipping insertion in model container [2024-11-24 01:29:05,882 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.11 01:29:05" (1/1) ... [2024-11-24 01:29:06,002 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-24 01:29:07,189 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ab2d0a58-7615-4c23-b385-e0e58b01906d/sv-benchmarks/c/ldv-linux-3.0/usb_urb-drivers-misc-c2port-core.ko.cil.out.i[148506,148519] [2024-11-24 01:29:07,245 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-24 01:29:07,322 INFO L200 MainTranslator]: Completed pre-run [2024-11-24 01:29:07,514 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("1:\tud2\n" ".pushsection __bug_table,\"a\"\n" "2:\t.long 1b - 2b, %c0 - 2b\n" "\t.word %c1, 0\n" "\t.org 2b+%c2\n" ".popsection": : "i" ("/anthill/stuff/tacas-comp/inst/current/envs/linux-3.0.1/linux-3.0.1/arch/x86/include/asm/paravirt.h"), "i" (863), "i" (sizeof(struct bug_entry ))); [3395-3401] [2024-11-24 01:29:07,517 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("" "771:\n\t" "call *%c[paravirt_opptr];" "\n" "772:\n" ".pushsection .parainstructions,\"a\"\n" " " ".balign 8" " " "\n" " " ".quad" " " " 771b\n" " .byte " "%c[paravirt_typenum]" "\n" " .byte 772b-771b\n" " .short " "%c[paravirt_clobber]" "\n" ".popsection\n" "": "=a" (__eax): [paravirt_typenum] "i" ((unsigned long )((unsigned int )(& ((struct paravirt_patch_template *)0)->pv_irq_ops.irq_disable.func)) / sizeof(void *)), [paravirt_opptr] "i" (& pv_irq_ops.irq_disable.func), [paravirt_clobber] "i" (1): "memory", "cc"); [3420-3444] [2024-11-24 01:29:07,520 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("1:\tud2\n" ".pushsection __bug_table,\"a\"\n" "2:\t.long 1b - 2b, %c0 - 2b\n" "\t.word %c1, 0\n" "\t.org 2b+%c2\n" ".popsection": : "i" ("/anthill/stuff/tacas-comp/inst/current/envs/linux-3.0.1/linux-3.0.1/arch/x86/include/asm/paravirt.h"), "i" (868), "i" (sizeof(struct bug_entry ))); [3474-3480] [2024-11-24 01:29:07,522 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("" "771:\n\t" "call *%c[paravirt_opptr];" "\n" "772:\n" ".pushsection .parainstructions,\"a\"\n" " " ".balign 8" " " "\n" " " ".quad" " " " 771b\n" " .byte " "%c[paravirt_typenum]" "\n" " .byte 772b-771b\n" " .short " "%c[paravirt_clobber]" "\n" ".popsection\n" "": "=a" (__eax): [paravirt_typenum] "i" ((unsigned long )((unsigned int )(& ((struct paravirt_patch_template *)0)->pv_irq_ops.irq_enable.func)) / sizeof(void *)), [paravirt_opptr] "i" (& pv_irq_ops.irq_enable.func), [paravirt_clobber] "i" (1): "memory", "cc"); [3499-3523] [2024-11-24 01:29:07,687 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ab2d0a58-7615-4c23-b385-e0e58b01906d/sv-benchmarks/c/ldv-linux-3.0/usb_urb-drivers-misc-c2port-core.ko.cil.out.i[148506,148519] [2024-11-24 01:29:07,702 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-24 01:29:07,800 INFO L204 MainTranslator]: Completed translation [2024-11-24 01:29:07,800 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 01:29:07 WrapperNode [2024-11-24 01:29:07,802 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-24 01:29:07,803 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-24 01:29:07,804 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-24 01:29:07,804 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-24 01:29:07,813 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 01:29:07" (1/1) ... [2024-11-24 01:29:07,887 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 01:29:07" (1/1) ... [2024-11-24 01:29:07,973 INFO L138 Inliner]: procedures = 105, calls = 783, calls flagged for inlining = 28, calls inlined = 10, statements flattened = 1111 [2024-11-24 01:29:07,974 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-24 01:29:07,975 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-24 01:29:07,975 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-24 01:29:07,975 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-24 01:29:07,986 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 01:29:07" (1/1) ... [2024-11-24 01:29:07,986 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 01:29:07" (1/1) ... [2024-11-24 01:29:08,003 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 01:29:07" (1/1) ... [2024-11-24 01:29:08,081 INFO L175 MemorySlicer]: Split 367 memory accesses to 15 slices as follows [18, 2, 8, 50, 1, 8, 32, 9, 2, 185, 7, 14, 10, 7, 14]. 50 percent of accesses are in the largest equivalence class. The 81 initializations are split as follows [0, 2, 8, 0, 0, 8, 32, 0, 0, 0, 7, 0, 10, 0, 14]. The 220 writes are split as follows [18, 0, 0, 50, 0, 0, 0, 3, 0, 145, 0, 1, 0, 3, 0]. [2024-11-24 01:29:08,082 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 01:29:07" (1/1) ... [2024-11-24 01:29:08,082 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 01:29:07" (1/1) ... [2024-11-24 01:29:08,157 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 01:29:07" (1/1) ... [2024-11-24 01:29:08,165 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 01:29:07" (1/1) ... [2024-11-24 01:29:08,173 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 01:29:07" (1/1) ... [2024-11-24 01:29:08,183 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 01:29:07" (1/1) ... [2024-11-24 01:29:08,189 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 01:29:07" (1/1) ... [2024-11-24 01:29:08,201 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-24 01:29:08,202 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-24 01:29:08,202 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-24 01:29:08,203 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-24 01:29:08,204 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 01:29:07" (1/1) ... [2024-11-24 01:29:08,210 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-24 01:29:08,235 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ab2d0a58-7615-4c23-b385-e0e58b01906d/bin/uautomizer-verify-LYvppIcaGC/z3 [2024-11-24 01:29:08,254 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ab2d0a58-7615-4c23-b385-e0e58b01906d/bin/uautomizer-verify-LYvppIcaGC/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-11-24 01:29:08,258 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ab2d0a58-7615-4c23-b385-e0e58b01906d/bin/uautomizer-verify-LYvppIcaGC/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-11-24 01:29:08,290 INFO L130 BoogieDeclarations]: Found specification of procedure dev_get_drvdata [2024-11-24 01:29:08,290 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_get_drvdata [2024-11-24 01:29:08,290 INFO L130 BoogieDeclarations]: Found specification of procedure arch_local_irq_disable [2024-11-24 01:29:08,290 INFO L138 BoogieDeclarations]: Found implementation of procedure arch_local_irq_disable [2024-11-24 01:29:08,290 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#0 [2024-11-24 01:29:08,291 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#1 [2024-11-24 01:29:08,291 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#2 [2024-11-24 01:29:08,291 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#3 [2024-11-24 01:29:08,291 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#4 [2024-11-24 01:29:08,291 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#5 [2024-11-24 01:29:08,291 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#6 [2024-11-24 01:29:08,291 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#7 [2024-11-24 01:29:08,292 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#8 [2024-11-24 01:29:08,292 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#9 [2024-11-24 01:29:08,292 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#10 [2024-11-24 01:29:08,292 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#11 [2024-11-24 01:29:08,292 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#12 [2024-11-24 01:29:08,292 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#13 [2024-11-24 01:29:08,292 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#14 [2024-11-24 01:29:08,292 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#0 [2024-11-24 01:29:08,292 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#1 [2024-11-24 01:29:08,292 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#2 [2024-11-24 01:29:08,292 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#3 [2024-11-24 01:29:08,292 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#4 [2024-11-24 01:29:08,293 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#5 [2024-11-24 01:29:08,293 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#6 [2024-11-24 01:29:08,293 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#7 [2024-11-24 01:29:08,293 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#8 [2024-11-24 01:29:08,293 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#9 [2024-11-24 01:29:08,293 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#10 [2024-11-24 01:29:08,293 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#11 [2024-11-24 01:29:08,293 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#12 [2024-11-24 01:29:08,293 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#13 [2024-11-24 01:29:08,293 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#14 [2024-11-24 01:29:08,293 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#0 [2024-11-24 01:29:08,293 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#1 [2024-11-24 01:29:08,293 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#2 [2024-11-24 01:29:08,293 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#3 [2024-11-24 01:29:08,293 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#4 [2024-11-24 01:29:08,294 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#5 [2024-11-24 01:29:08,294 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#6 [2024-11-24 01:29:08,294 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#7 [2024-11-24 01:29:08,294 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#8 [2024-11-24 01:29:08,294 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#9 [2024-11-24 01:29:08,294 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#10 [2024-11-24 01:29:08,294 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#11 [2024-11-24 01:29:08,294 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#12 [2024-11-24 01:29:08,294 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#13 [2024-11-24 01:29:08,294 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#14 [2024-11-24 01:29:08,294 INFO L130 BoogieDeclarations]: Found specification of procedure c2port_read_dr [2024-11-24 01:29:08,294 INFO L138 BoogieDeclarations]: Found implementation of procedure c2port_read_dr [2024-11-24 01:29:08,294 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2024-11-24 01:29:08,294 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2024-11-24 01:29:08,295 INFO L130 BoogieDeclarations]: Found specification of procedure c2port_write_ar [2024-11-24 01:29:08,295 INFO L138 BoogieDeclarations]: Found implementation of procedure c2port_write_ar [2024-11-24 01:29:08,295 INFO L130 BoogieDeclarations]: Found specification of procedure trace_hardirqs_on [2024-11-24 01:29:08,298 INFO L138 BoogieDeclarations]: Found implementation of procedure trace_hardirqs_on [2024-11-24 01:29:08,298 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#0 [2024-11-24 01:29:08,298 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#1 [2024-11-24 01:29:08,299 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#2 [2024-11-24 01:29:08,299 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#3 [2024-11-24 01:29:08,300 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#4 [2024-11-24 01:29:08,300 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#5 [2024-11-24 01:29:08,300 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#6 [2024-11-24 01:29:08,300 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#7 [2024-11-24 01:29:08,300 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#8 [2024-11-24 01:29:08,301 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#9 [2024-11-24 01:29:08,301 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#10 [2024-11-24 01:29:08,301 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#11 [2024-11-24 01:29:08,301 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#12 [2024-11-24 01:29:08,301 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#13 [2024-11-24 01:29:08,301 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#14 [2024-11-24 01:29:08,302 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_unlock [2024-11-24 01:29:08,302 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_unlock [2024-11-24 01:29:08,302 INFO L130 BoogieDeclarations]: Found specification of procedure c2port_poll_out_ready [2024-11-24 01:29:08,302 INFO L138 BoogieDeclarations]: Found implementation of procedure c2port_poll_out_ready [2024-11-24 01:29:08,302 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2024-11-24 01:29:08,302 INFO L130 BoogieDeclarations]: Found specification of procedure arch_local_irq_enable [2024-11-24 01:29:08,302 INFO L138 BoogieDeclarations]: Found implementation of procedure arch_local_irq_enable [2024-11-24 01:29:08,303 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~int~TO~VOID [2024-11-24 01:29:08,304 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~int~TO~VOID [2024-11-24 01:29:08,304 INFO L130 BoogieDeclarations]: Found specification of procedure c2port_read_ar [2024-11-24 01:29:08,304 INFO L138 BoogieDeclarations]: Found implementation of procedure c2port_read_ar [2024-11-24 01:29:08,304 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-24 01:29:08,304 INFO L130 BoogieDeclarations]: Found specification of procedure __const_udelay [2024-11-24 01:29:08,304 INFO L138 BoogieDeclarations]: Found implementation of procedure __const_udelay [2024-11-24 01:29:08,304 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#0 [2024-11-24 01:29:08,304 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#1 [2024-11-24 01:29:08,304 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#2 [2024-11-24 01:29:08,304 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#3 [2024-11-24 01:29:08,304 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#4 [2024-11-24 01:29:08,304 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#5 [2024-11-24 01:29:08,305 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#6 [2024-11-24 01:29:08,305 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#7 [2024-11-24 01:29:08,305 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#8 [2024-11-24 01:29:08,308 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#9 [2024-11-24 01:29:08,309 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#10 [2024-11-24 01:29:08,309 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#11 [2024-11-24 01:29:08,309 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#12 [2024-11-24 01:29:08,309 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#13 [2024-11-24 01:29:08,310 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#14 [2024-11-24 01:29:08,310 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2024-11-24 01:29:08,310 INFO L130 BoogieDeclarations]: Found specification of procedure c2port_strobe_ck [2024-11-24 01:29:08,310 INFO L138 BoogieDeclarations]: Found implementation of procedure c2port_strobe_ck [2024-11-24 01:29:08,310 INFO L130 BoogieDeclarations]: Found specification of procedure trace_hardirqs_off [2024-11-24 01:29:08,310 INFO L138 BoogieDeclarations]: Found implementation of procedure trace_hardirqs_off [2024-11-24 01:29:08,310 INFO L130 BoogieDeclarations]: Found specification of procedure c2port_poll_in_busy [2024-11-24 01:29:08,310 INFO L138 BoogieDeclarations]: Found implementation of procedure c2port_poll_in_busy [2024-11-24 01:29:08,310 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~int [2024-11-24 01:29:08,310 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~int [2024-11-24 01:29:08,310 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#0 [2024-11-24 01:29:08,310 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#1 [2024-11-24 01:29:08,310 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#2 [2024-11-24 01:29:08,310 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#3 [2024-11-24 01:29:08,310 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#4 [2024-11-24 01:29:08,310 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#5 [2024-11-24 01:29:08,310 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#6 [2024-11-24 01:29:08,310 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#7 [2024-11-24 01:29:08,311 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#8 [2024-11-24 01:29:08,311 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#9 [2024-11-24 01:29:08,311 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#10 [2024-11-24 01:29:08,311 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#11 [2024-11-24 01:29:08,311 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#12 [2024-11-24 01:29:08,311 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#13 [2024-11-24 01:29:08,311 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#14 [2024-11-24 01:29:08,311 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_blast_assert [2024-11-24 01:29:08,311 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_blast_assert [2024-11-24 01:29:08,311 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-11-24 01:29:08,311 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#0 [2024-11-24 01:29:08,311 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#1 [2024-11-24 01:29:08,311 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#2 [2024-11-24 01:29:08,311 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#3 [2024-11-24 01:29:08,311 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#4 [2024-11-24 01:29:08,311 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#5 [2024-11-24 01:29:08,311 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#6 [2024-11-24 01:29:08,311 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#7 [2024-11-24 01:29:08,311 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#8 [2024-11-24 01:29:08,312 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#9 [2024-11-24 01:29:08,312 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#10 [2024-11-24 01:29:08,312 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#11 [2024-11-24 01:29:08,312 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#12 [2024-11-24 01:29:08,313 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#13 [2024-11-24 01:29:08,313 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#14 [2024-11-24 01:29:08,313 INFO L130 BoogieDeclarations]: Found specification of procedure printk [2024-11-24 01:29:08,313 INFO L138 BoogieDeclarations]: Found implementation of procedure printk [2024-11-24 01:29:08,313 INFO L130 BoogieDeclarations]: Found specification of procedure dev_err [2024-11-24 01:29:08,313 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_err [2024-11-24 01:29:08,313 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_lock_nested [2024-11-24 01:29:08,313 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_lock_nested [2024-11-24 01:29:08,313 INFO L130 BoogieDeclarations]: Found specification of procedure c2port_write_dr [2024-11-24 01:29:08,313 INFO L138 BoogieDeclarations]: Found implementation of procedure c2port_write_dr [2024-11-24 01:29:08,313 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-11-24 01:29:08,313 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#1 [2024-11-24 01:29:08,313 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#2 [2024-11-24 01:29:08,313 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#3 [2024-11-24 01:29:08,313 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#4 [2024-11-24 01:29:08,313 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#5 [2024-11-24 01:29:08,313 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#6 [2024-11-24 01:29:08,313 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#7 [2024-11-24 01:29:08,313 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#8 [2024-11-24 01:29:08,314 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#9 [2024-11-24 01:29:08,314 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#10 [2024-11-24 01:29:08,314 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#11 [2024-11-24 01:29:08,314 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#12 [2024-11-24 01:29:08,314 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#13 [2024-11-24 01:29:08,314 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#14 [2024-11-24 01:29:08,314 INFO L130 BoogieDeclarations]: Found specification of procedure c2port_exit [2024-11-24 01:29:08,314 INFO L138 BoogieDeclarations]: Found implementation of procedure c2port_exit [2024-11-24 01:29:08,314 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-24 01:29:08,314 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-24 01:29:08,314 INFO L130 BoogieDeclarations]: Found specification of procedure c2port_init [2024-11-24 01:29:08,314 INFO L138 BoogieDeclarations]: Found implementation of procedure c2port_init [2024-11-24 01:29:08,787 INFO L234 CfgBuilder]: Building ICFG [2024-11-24 01:29:08,789 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-24 01:29:09,494 WARN L773 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2024-11-24 01:29:16,753 INFO L727 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##16: assume !false; [2024-11-24 01:29:16,753 INFO L727 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##15: assume false; [2024-11-24 01:29:17,011 INFO L? ?]: Removed 272 outVars from TransFormulas that were not future-live. [2024-11-24 01:29:17,012 INFO L283 CfgBuilder]: Performing block encoding [2024-11-24 01:29:17,031 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-24 01:29:17,031 INFO L312 CfgBuilder]: Removed 38 assume(true) statements. [2024-11-24 01:29:17,032 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.11 01:29:17 BoogieIcfgContainer [2024-11-24 01:29:17,032 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-24 01:29:17,034 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-24 01:29:17,034 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-24 01:29:17,040 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-24 01:29:17,041 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 24.11 01:29:05" (1/3) ... [2024-11-24 01:29:17,042 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6e5bb0d8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 24.11 01:29:17, skipping insertion in model container [2024-11-24 01:29:17,042 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 01:29:07" (2/3) ... [2024-11-24 01:29:17,042 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6e5bb0d8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 24.11 01:29:17, skipping insertion in model container [2024-11-24 01:29:17,042 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.11 01:29:17" (3/3) ... [2024-11-24 01:29:17,044 INFO L128 eAbstractionObserver]: Analyzing ICFG usb_urb-drivers-misc-c2port-core.ko.cil.out.i [2024-11-24 01:29:17,061 INFO L216 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-24 01:29:17,062 INFO L151 ceAbstractionStarter]: Applying trace abstraction to ICFG usb_urb-drivers-misc-c2port-core.ko.cil.out.i that has 24 procedures, 401 locations, 1 initial locations, 19 loop locations, and 1 error locations. [2024-11-24 01:29:17,140 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-24 01:29:17,156 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;@5d69dd1b, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-24 01:29:17,156 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-11-24 01:29:17,164 INFO L276 IsEmpty]: Start isEmpty. Operand has 401 states, 269 states have (on average 1.4052044609665428) internal successors, (378), 269 states have internal predecessors, (378), 113 states have call successors, (113), 23 states have call predecessors, (113), 23 states have return successors, (113), 113 states have call predecessors, (113), 113 states have call successors, (113) [2024-11-24 01:29:17,173 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2024-11-24 01:29:17,173 INFO L210 NwaCegarLoop]: Found error trace [2024-11-24 01:29:17,174 INFO L218 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-24 01:29:17,177 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ldv_blast_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_blast_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-24 01:29:17,182 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-24 01:29:17,182 INFO L85 PathProgramCache]: Analyzing trace with hash 1373484218, now seen corresponding path program 1 times [2024-11-24 01:29:17,191 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-24 01:29:17,192 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [960184985] [2024-11-24 01:29:17,192 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-24 01:29:17,193 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-24 01:29:23,309 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-24 01:29:25,740 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-24 01:29:25,741 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-24 01:29:25,741 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [960184985] [2024-11-24 01:29:25,742 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [960184985] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-24 01:29:25,742 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-24 01:29:25,743 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2024-11-24 01:29:25,744 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1286570376] [2024-11-24 01:29:25,745 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-24 01:29:25,751 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-24 01:29:25,751 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-24 01:29:25,776 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-24 01:29:25,777 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2024-11-24 01:29:25,780 INFO L87 Difference]: Start difference. First operand has 401 states, 269 states have (on average 1.4052044609665428) internal successors, (378), 269 states have internal predecessors, (378), 113 states have call successors, (113), 23 states have call predecessors, (113), 23 states have return successors, (113), 113 states have call predecessors, (113), 113 states have call successors, (113) Second operand has 6 states, 6 states have (on average 3.1666666666666665) internal successors, (19), 5 states have internal predecessors, (19), 2 states have call successors, (4), 2 states have call predecessors, (4), 3 states have return successors, (3), 3 states have call predecessors, (3), 1 states have call successors, (3) [2024-11-24 01:29:26,579 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-24 01:29:26,579 INFO L93 Difference]: Finished difference Result 1174 states and 1903 transitions. [2024-11-24 01:29:26,582 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-11-24 01:29:26,584 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 3.1666666666666665) internal successors, (19), 5 states have internal predecessors, (19), 2 states have call successors, (4), 2 states have call predecessors, (4), 3 states have return successors, (3), 3 states have call predecessors, (3), 1 states have call successors, (3) Word has length 26 [2024-11-24 01:29:26,584 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-24 01:29:26,616 INFO L225 Difference]: With dead ends: 1174 [2024-11-24 01:29:26,616 INFO L226 Difference]: Without dead ends: 773 [2024-11-24 01:29:26,635 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=21, Invalid=51, Unknown=0, NotChecked=0, Total=72 [2024-11-24 01:29:26,639 INFO L435 NwaCegarLoop]: 1073 mSDtfsCounter, 559 mSDsluCounter, 3755 mSDsCounter, 0 mSdLazyCounter, 22 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 561 SdHoareTripleChecker+Valid, 4828 SdHoareTripleChecker+Invalid, 24 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 22 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2024-11-24 01:29:26,641 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [561 Valid, 4828 Invalid, 24 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [2 Valid, 22 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2024-11-24 01:29:26,662 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 773 states. [2024-11-24 01:29:26,788 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 773 to 759. [2024-11-24 01:29:26,791 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 759 states, 496 states have (on average 1.282258064516129) internal successors, (636), 498 states have internal predecessors, (636), 219 states have call successors, (219), 42 states have call predecessors, (219), 43 states have return successors, (220), 219 states have call predecessors, (220), 217 states have call successors, (220) [2024-11-24 01:29:26,814 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 759 states to 759 states and 1075 transitions. [2024-11-24 01:29:26,819 INFO L78 Accepts]: Start accepts. Automaton has 759 states and 1075 transitions. Word has length 26 [2024-11-24 01:29:26,820 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-24 01:29:26,820 INFO L471 AbstractCegarLoop]: Abstraction has 759 states and 1075 transitions. [2024-11-24 01:29:26,820 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 3.1666666666666665) internal successors, (19), 5 states have internal predecessors, (19), 2 states have call successors, (4), 2 states have call predecessors, (4), 3 states have return successors, (3), 3 states have call predecessors, (3), 1 states have call successors, (3) [2024-11-24 01:29:26,820 INFO L276 IsEmpty]: Start isEmpty. Operand 759 states and 1075 transitions. [2024-11-24 01:29:26,823 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2024-11-24 01:29:26,824 INFO L210 NwaCegarLoop]: Found error trace [2024-11-24 01:29:26,824 INFO L218 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-24 01:29:26,824 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-11-24 01:29:26,824 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ldv_blast_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_blast_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-24 01:29:26,825 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-24 01:29:26,825 INFO L85 PathProgramCache]: Analyzing trace with hash 867925593, now seen corresponding path program 1 times [2024-11-24 01:29:26,825 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-24 01:29:26,825 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2031470287] [2024-11-24 01:29:26,825 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-24 01:29:26,826 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-24 01:29:31,253 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-24 01:29:32,061 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-24 01:29:32,061 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-24 01:29:32,061 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2031470287] [2024-11-24 01:29:32,062 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2031470287] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-24 01:29:32,062 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-24 01:29:32,062 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-24 01:29:32,062 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [405983599] [2024-11-24 01:29:32,062 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-24 01:29:32,063 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-24 01:29:32,064 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-24 01:29:32,066 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-24 01:29:32,066 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-11-24 01:29:32,066 INFO L87 Difference]: Start difference. First operand 759 states and 1075 transitions. Second operand has 5 states, 5 states have (on average 3.8) internal successors, (19), 4 states have internal predecessors, (19), 2 states have call successors, (4), 2 states have call predecessors, (4), 2 states have return successors, (3), 2 states have call predecessors, (3), 1 states have call successors, (3) [2024-11-24 01:29:32,243 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-24 01:29:32,243 INFO L93 Difference]: Finished difference Result 766 states and 1082 transitions. [2024-11-24 01:29:32,246 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-24 01:29:32,247 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 3.8) internal successors, (19), 4 states have internal predecessors, (19), 2 states have call successors, (4), 2 states have call predecessors, (4), 2 states have return successors, (3), 2 states have call predecessors, (3), 1 states have call successors, (3) Word has length 26 [2024-11-24 01:29:32,247 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-24 01:29:32,259 INFO L225 Difference]: With dead ends: 766 [2024-11-24 01:29:32,259 INFO L226 Difference]: Without dead ends: 759 [2024-11-24 01:29:32,261 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-11-24 01:29:32,263 INFO L435 NwaCegarLoop]: 548 mSDtfsCounter, 0 mSDsluCounter, 1639 mSDsCounter, 0 mSdLazyCounter, 12 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 2187 SdHoareTripleChecker+Invalid, 12 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 12 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-24 01:29:32,263 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 2187 Invalid, 12 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 12 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-24 01:29:32,269 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 759 states. [2024-11-24 01:29:32,365 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 759 to 759. [2024-11-24 01:29:32,367 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 759 states, 496 states have (on average 1.280241935483871) internal successors, (635), 498 states have internal predecessors, (635), 219 states have call successors, (219), 42 states have call predecessors, (219), 43 states have return successors, (220), 219 states have call predecessors, (220), 217 states have call successors, (220) [2024-11-24 01:29:32,379 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 759 states to 759 states and 1074 transitions. [2024-11-24 01:29:32,380 INFO L78 Accepts]: Start accepts. Automaton has 759 states and 1074 transitions. Word has length 26 [2024-11-24 01:29:32,380 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-24 01:29:32,381 INFO L471 AbstractCegarLoop]: Abstraction has 759 states and 1074 transitions. [2024-11-24 01:29:32,381 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 3.8) internal successors, (19), 4 states have internal predecessors, (19), 2 states have call successors, (4), 2 states have call predecessors, (4), 2 states have return successors, (3), 2 states have call predecessors, (3), 1 states have call successors, (3) [2024-11-24 01:29:32,381 INFO L276 IsEmpty]: Start isEmpty. Operand 759 states and 1074 transitions. [2024-11-24 01:29:32,382 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2024-11-24 01:29:32,382 INFO L210 NwaCegarLoop]: Found error trace [2024-11-24 01:29:32,382 INFO L218 NwaCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-24 01:29:32,382 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-11-24 01:29:32,382 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ldv_blast_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_blast_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-24 01:29:32,383 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-24 01:29:32,383 INFO L85 PathProgramCache]: Analyzing trace with hash -338728756, now seen corresponding path program 1 times [2024-11-24 01:29:32,383 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-24 01:29:32,383 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [421749911] [2024-11-24 01:29:32,383 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-24 01:29:32,383 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-24 01:29:36,855 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-24 01:29:37,212 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2024-11-24 01:29:37,212 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-24 01:29:37,212 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [421749911] [2024-11-24 01:29:37,212 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [421749911] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-24 01:29:37,212 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-24 01:29:37,212 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-24 01:29:37,212 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [275734204] [2024-11-24 01:29:37,212 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-24 01:29:37,213 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-24 01:29:37,213 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-24 01:29:37,213 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-24 01:29:37,213 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-24 01:29:37,214 INFO L87 Difference]: Start difference. First operand 759 states and 1074 transitions. Second operand has 3 states, 3 states have (on average 6.666666666666667) internal successors, (20), 3 states have internal predecessors, (20), 3 states have call successors, (5), 2 states have call predecessors, (5), 1 states have return successors, (4), 2 states have call predecessors, (4), 2 states have call successors, (4) [2024-11-24 01:29:37,276 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-24 01:29:37,277 INFO L93 Difference]: Finished difference Result 761 states and 1075 transitions. [2024-11-24 01:29:37,277 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-24 01:29:37,277 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 6.666666666666667) internal successors, (20), 3 states have internal predecessors, (20), 3 states have call successors, (5), 2 states have call predecessors, (5), 1 states have return successors, (4), 2 states have call predecessors, (4), 2 states have call successors, (4) Word has length 31 [2024-11-24 01:29:37,278 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-24 01:29:37,286 INFO L225 Difference]: With dead ends: 761 [2024-11-24 01:29:37,286 INFO L226 Difference]: Without dead ends: 758 [2024-11-24 01:29:37,287 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-24 01:29:37,289 INFO L435 NwaCegarLoop]: 547 mSDtfsCounter, 541 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 1 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 541 SdHoareTripleChecker+Valid, 547 SdHoareTripleChecker+Invalid, 1 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 1 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-24 01:29:37,289 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [541 Valid, 547 Invalid, 1 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 1 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-24 01:29:37,291 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 758 states. [2024-11-24 01:29:37,388 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 758 to 758. [2024-11-24 01:29:37,392 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 758 states, 496 states have (on average 1.278225806451613) internal successors, (634), 497 states have internal predecessors, (634), 218 states have call successors, (218), 42 states have call predecessors, (218), 43 states have return successors, (220), 219 states have call predecessors, (220), 217 states have call successors, (220) [2024-11-24 01:29:37,405 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 758 states to 758 states and 1072 transitions. [2024-11-24 01:29:37,406 INFO L78 Accepts]: Start accepts. Automaton has 758 states and 1072 transitions. Word has length 31 [2024-11-24 01:29:37,407 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-24 01:29:37,407 INFO L471 AbstractCegarLoop]: Abstraction has 758 states and 1072 transitions. [2024-11-24 01:29:37,407 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 6.666666666666667) internal successors, (20), 3 states have internal predecessors, (20), 3 states have call successors, (5), 2 states have call predecessors, (5), 1 states have return successors, (4), 2 states have call predecessors, (4), 2 states have call successors, (4) [2024-11-24 01:29:37,407 INFO L276 IsEmpty]: Start isEmpty. Operand 758 states and 1072 transitions. [2024-11-24 01:29:37,409 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2024-11-24 01:29:37,409 INFO L210 NwaCegarLoop]: Found error trace [2024-11-24 01:29:37,409 INFO L218 NwaCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-24 01:29:37,409 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2024-11-24 01:29:37,409 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ldv_blast_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_blast_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-24 01:29:37,410 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-24 01:29:37,413 INFO L85 PathProgramCache]: Analyzing trace with hash -1910922524, now seen corresponding path program 1 times [2024-11-24 01:29:37,413 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-24 01:29:37,413 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [812485779] [2024-11-24 01:29:37,413 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-24 01:29:37,413 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-24 01:29:41,051 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-24 01:29:41,390 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2024-11-24 01:29:41,390 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-24 01:29:41,390 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [812485779] [2024-11-24 01:29:41,390 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [812485779] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-24 01:29:41,390 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-24 01:29:41,390 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-24 01:29:41,391 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [50689703] [2024-11-24 01:29:41,391 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-24 01:29:41,391 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-24 01:29:41,391 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-24 01:29:41,392 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-24 01:29:41,392 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-24 01:29:41,392 INFO L87 Difference]: Start difference. First operand 758 states and 1072 transitions. Second operand has 3 states, 3 states have (on average 7.0) internal successors, (21), 3 states have internal predecessors, (21), 3 states have call successors, (5), 2 states have call predecessors, (5), 1 states have return successors, (4), 2 states have call predecessors, (4), 2 states have call successors, (4) [2024-11-24 01:29:41,445 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-24 01:29:41,446 INFO L93 Difference]: Finished difference Result 758 states and 1072 transitions. [2024-11-24 01:29:41,446 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-24 01:29:41,446 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 7.0) internal successors, (21), 3 states have internal predecessors, (21), 3 states have call successors, (5), 2 states have call predecessors, (5), 1 states have return successors, (4), 2 states have call predecessors, (4), 2 states have call successors, (4) Word has length 32 [2024-11-24 01:29:41,447 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-24 01:29:41,448 INFO L225 Difference]: With dead ends: 758 [2024-11-24 01:29:41,448 INFO L226 Difference]: Without dead ends: 0 [2024-11-24 01:29:41,453 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-24 01:29:41,454 INFO L435 NwaCegarLoop]: 545 mSDtfsCounter, 537 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 0 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 537 SdHoareTripleChecker+Valid, 545 SdHoareTripleChecker+Invalid, 0 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 0 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-24 01:29:41,454 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [537 Valid, 545 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-24 01:29:41,454 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2024-11-24 01:29:41,455 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2024-11-24 01:29:41,455 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) [2024-11-24 01:29:41,455 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2024-11-24 01:29:41,455 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 32 [2024-11-24 01:29:41,455 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-24 01:29:41,455 INFO L471 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2024-11-24 01:29:41,456 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 7.0) internal successors, (21), 3 states have internal predecessors, (21), 3 states have call successors, (5), 2 states have call predecessors, (5), 1 states have return successors, (4), 2 states have call predecessors, (4), 2 states have call successors, (4) [2024-11-24 01:29:41,456 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2024-11-24 01:29:41,456 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2024-11-24 01:29:41,461 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ldv_blast_assertErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2024-11-24 01:29:41,462 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2024-11-24 01:29:41,465 INFO L422 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1] [2024-11-24 01:29:41,467 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2024-11-24 01:30:13,372 INFO L170 ceAbstractionStarter]: Computing trace abstraction results [2024-11-24 01:30:13,400 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 24.11 01:30:13 BoogieIcfgContainer [2024-11-24 01:30:13,403 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-11-24 01:30:13,404 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-24 01:30:13,404 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-24 01:30:13,404 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-24 01:30:13,405 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.11 01:29:17" (3/4) ... [2024-11-24 01:30:13,411 INFO L146 WitnessPrinter]: Generating witness for correct program [2024-11-24 01:30:13,420 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure c2port_read_ar [2024-11-24 01:30:13,420 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure c2port_read_dr [2024-11-24 01:30:13,420 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure dev_get_drvdata [2024-11-24 01:30:13,420 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure c2port_write_dr [2024-11-24 01:30:13,420 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure printk [2024-11-24 01:30:13,421 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure arch_local_irq_disable [2024-11-24 01:30:13,421 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure __const_udelay [2024-11-24 01:30:13,421 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure trace_hardirqs_on [2024-11-24 01:30:13,421 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure dev_err [2024-11-24 01:30:13,421 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure mutex_unlock [2024-11-24 01:30:13,421 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure ldv_malloc [2024-11-24 01:30:13,421 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure c2port_exit [2024-11-24 01:30:13,421 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure c2port_strobe_ck [2024-11-24 01:30:13,421 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure arch_local_irq_enable [2024-11-24 01:30:13,421 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure trace_hardirqs_off [2024-11-24 01:30:13,421 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure c2port_poll_out_ready [2024-11-24 01:30:13,421 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure ##fun~$Pointer$~X~int~TO~VOID [2024-11-24 01:30:13,422 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure c2port_write_ar [2024-11-24 01:30:13,422 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure c2port_poll_in_busy [2024-11-24 01:30:13,422 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure ##fun~$Pointer$~TO~int [2024-11-24 01:30:13,422 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure ldv_blast_assert [2024-11-24 01:30:13,422 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure mutex_lock_nested [2024-11-24 01:30:13,422 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure c2port_init [2024-11-24 01:30:13,459 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 126 nodes and edges [2024-11-24 01:30:13,464 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 47 nodes and edges [2024-11-24 01:30:13,466 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 15 nodes and edges [2024-11-24 01:30:13,468 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2024-11-24 01:30:13,470 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2024-11-24 01:30:13,472 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2024-11-24 01:30:13,475 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2024-11-24 01:30:14,090 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ab2d0a58-7615-4c23-b385-e0e58b01906d/bin/uautomizer-verify-LYvppIcaGC/witness.graphml [2024-11-24 01:30:14,090 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ab2d0a58-7615-4c23-b385-e0e58b01906d/bin/uautomizer-verify-LYvppIcaGC/witness.yml [2024-11-24 01:30:14,090 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-24 01:30:14,092 INFO L158 Benchmark]: Toolchain (without parser) took 68222.19ms. Allocated memory was 117.4MB in the beginning and 1.6GB in the end (delta: 1.5GB). Free memory was 85.8MB in the beginning and 832.5MB in the end (delta: -746.7MB). Peak memory consumption was 765.4MB. Max. memory is 16.1GB. [2024-11-24 01:30:14,093 INFO L158 Benchmark]: CDTParser took 1.52ms. Allocated memory is still 117.4MB. Free memory is still 72.5MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-24 01:30:14,093 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1931.00ms. Allocated memory is still 117.4MB. Free memory was 85.8MB in the beginning and 32.7MB in the end (delta: 53.0MB). Peak memory consumption was 70.5MB. Max. memory is 16.1GB. [2024-11-24 01:30:14,094 INFO L158 Benchmark]: Boogie Procedure Inliner took 170.89ms. Allocated memory is still 117.4MB. Free memory was 32.7MB in the beginning and 69.8MB in the end (delta: -37.1MB). Peak memory consumption was 13.7MB. Max. memory is 16.1GB. [2024-11-24 01:30:14,094 INFO L158 Benchmark]: Boogie Preprocessor took 226.79ms. Allocated memory is still 117.4MB. Free memory was 69.8MB in the beginning and 55.6MB in the end (delta: 14.3MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2024-11-24 01:30:14,094 INFO L158 Benchmark]: RCFGBuilder took 8829.69ms. Allocated memory was 117.4MB in the beginning and 234.9MB in the end (delta: 117.4MB). Free memory was 55.6MB in the beginning and 137.6MB in the end (delta: -82.0MB). Peak memory consumption was 118.2MB. Max. memory is 16.1GB. [2024-11-24 01:30:14,095 INFO L158 Benchmark]: TraceAbstraction took 56368.73ms. Allocated memory was 234.9MB in the beginning and 1.6GB in the end (delta: 1.4GB). Free memory was 135.5MB in the beginning and 878.4MB in the end (delta: -742.9MB). Peak memory consumption was 649.5MB. Max. memory is 16.1GB. [2024-11-24 01:30:14,095 INFO L158 Benchmark]: Witness Printer took 686.82ms. Allocated memory is still 1.6GB. Free memory was 878.4MB in the beginning and 832.5MB in the end (delta: 45.9MB). Peak memory consumption was 50.3MB. Max. memory is 16.1GB. [2024-11-24 01:30:14,097 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 1.52ms. Allocated memory is still 117.4MB. Free memory is still 72.5MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1931.00ms. Allocated memory is still 117.4MB. Free memory was 85.8MB in the beginning and 32.7MB in the end (delta: 53.0MB). Peak memory consumption was 70.5MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 170.89ms. Allocated memory is still 117.4MB. Free memory was 32.7MB in the beginning and 69.8MB in the end (delta: -37.1MB). Peak memory consumption was 13.7MB. Max. memory is 16.1GB. * Boogie Preprocessor took 226.79ms. Allocated memory is still 117.4MB. Free memory was 69.8MB in the beginning and 55.6MB in the end (delta: 14.3MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * RCFGBuilder took 8829.69ms. Allocated memory was 117.4MB in the beginning and 234.9MB in the end (delta: 117.4MB). Free memory was 55.6MB in the beginning and 137.6MB in the end (delta: -82.0MB). Peak memory consumption was 118.2MB. Max. memory is 16.1GB. * TraceAbstraction took 56368.73ms. Allocated memory was 234.9MB in the beginning and 1.6GB in the end (delta: 1.4GB). Free memory was 135.5MB in the beginning and 878.4MB in the end (delta: -742.9MB). Peak memory consumption was 649.5MB. Max. memory is 16.1GB. * Witness Printer took 686.82ms. Allocated memory is still 1.6GB. Free memory was 878.4MB in the beginning and 832.5MB in the end (delta: 45.9MB). Peak memory consumption was 50.3MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - GenericResultAtLocation [Line: 3395]: Unsoundness Warning Ignoring inline assembler instruction C: __asm__ volatile ("1:\tud2\n" ".pushsection __bug_table,\"a\"\n" "2:\t.long 1b - 2b, %c0 - 2b\n" "\t.word %c1, 0\n" "\t.org 2b+%c2\n" ".popsection": : "i" ("/anthill/stuff/tacas-comp/inst/current/envs/linux-3.0.1/linux-3.0.1/arch/x86/include/asm/paravirt.h"), "i" (863), "i" (sizeof(struct bug_entry ))); [3395-3401] - GenericResultAtLocation [Line: 3420]: Unsoundness Warning Ignoring inline assembler instruction C: __asm__ volatile ("" "771:\n\t" "call *%c[paravirt_opptr];" "\n" "772:\n" ".pushsection .parainstructions,\"a\"\n" " " ".balign 8" " " "\n" " " ".quad" " " " 771b\n" " .byte " "%c[paravirt_typenum]" "\n" " .byte 772b-771b\n" " .short " "%c[paravirt_clobber]" "\n" ".popsection\n" "": "=a" (__eax): [paravirt_typenum] "i" ((unsigned long )((unsigned int )(& ((struct paravirt_patch_template *)0)->pv_irq_ops.irq_disable.func)) / sizeof(void *)), [paravirt_opptr] "i" (& pv_irq_ops.irq_disable.func), [paravirt_clobber] "i" (1): "memory", "cc"); [3420-3444] - GenericResultAtLocation [Line: 3474]: Unsoundness Warning Ignoring inline assembler instruction C: __asm__ volatile ("1:\tud2\n" ".pushsection __bug_table,\"a\"\n" "2:\t.long 1b - 2b, %c0 - 2b\n" "\t.word %c1, 0\n" "\t.org 2b+%c2\n" ".popsection": : "i" ("/anthill/stuff/tacas-comp/inst/current/envs/linux-3.0.1/linux-3.0.1/arch/x86/include/asm/paravirt.h"), "i" (868), "i" (sizeof(struct bug_entry ))); [3474-3480] - GenericResultAtLocation [Line: 3499]: Unsoundness Warning Ignoring inline assembler instruction C: __asm__ volatile ("" "771:\n\t" "call *%c[paravirt_opptr];" "\n" "772:\n" ".pushsection .parainstructions,\"a\"\n" " " ".balign 8" " " "\n" " " ".quad" " " " 771b\n" " .byte " "%c[paravirt_typenum]" "\n" " .byte 772b-771b\n" " .short " "%c[paravirt_clobber]" "\n" ".popsection\n" "": "=a" (__eax): [paravirt_typenum] "i" ((unsigned long )((unsigned int )(& ((struct paravirt_patch_template *)0)->pv_irq_ops.irq_enable.func)) / sizeof(void *)), [paravirt_opptr] "i" (& pv_irq_ops.irq_enable.func), [paravirt_clobber] "i" (1): "memory", "cc"); [3499-3523] * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - PositiveResult [Line: 5282]: a call to reach_error is unreachable For all program executions holds that a call to reach_error is unreachable at this location - StatisticsResult: Ultimate Automizer benchmark data CFG has 24 procedures, 401 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 24.4s, OverallIterations: 4, TraceHistogramMax: 2, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 1.2s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 1639 SdHoareTripleChecker+Valid, 0.4s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 1637 mSDsluCounter, 8107 SdHoareTripleChecker+Invalid, 0.3s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 5394 mSDsCounter, 2 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 35 IncrementalHoareTripleChecker+Invalid, 37 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 2 mSolverCounterUnsat, 2713 mSDtfsCounter, 35 mSolverCounterSat, 0.1s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 20 GetRequests, 8 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.7s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=759occurred in iteration=1, InterpolantAutomatonStates: 18, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.4s AutomataMinimizationTime, 4 MinimizatonAttempts, 14 StatesRemovedByMinimization, 1 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.2s SsaConstructionTime, 0.8s SatisfiabilityAnalysisTime, 3.9s InterpolantComputationTime, 115 NumberOfCodeBlocks, 115 NumberOfCodeBlocksAsserted, 4 NumberOfCheckSat, 111 ConstructedInterpolants, 0 QuantifiedInterpolants, 179 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 4 InterpolantComputations, 4 PerfectInterpolantSequences, 6/6 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available, ConComCheckerStatistics: No data available - AllSpecificationsHoldResult: All specifications hold 1 specifications checked. All of them hold - InvariantResult [Line: 3881]: Loop Invariant Derived loop invariant: ((ldv_coherent_state == 0) && (ldv_urb_state == 0)) - InvariantResult [Line: 3758]: Loop Invariant Derived loop invariant: ((ldv_coherent_state == 0) && (ldv_urb_state == 0)) - InvariantResult [Line: 3393]: Loop Invariant Derived loop invariant: ((ldv_coherent_state == 0) && (ldv_urb_state == 0)) - InvariantResult [Line: 3669]: Loop Invariant Derived loop invariant: ((ldv_coherent_state == 0) && (ldv_urb_state == 0)) - InvariantResult [Line: 3472]: Loop Invariant Derived loop invariant: ((ldv_coherent_state == 0) && (ldv_urb_state == 0)) - InvariantResult [Line: 3465]: Loop Invariant Derived loop invariant: ((ldv_coherent_state == 0) && (ldv_urb_state == 0)) - InvariantResult [Line: 3805]: Loop Invariant Derived loop invariant: ((ldv_coherent_state == 0) && (ldv_urb_state == 0)) - InvariantResult [Line: 3665]: Location Invariant Derived location invariant: ((ldv_coherent_state == 0) && (ldv_urb_state == 0)) - InvariantResult [Line: 3404]: Loop Invariant Derived loop invariant: ((ldv_coherent_state == 0) && (ldv_urb_state == 0)) - InvariantResult [Line: 4696]: Loop Invariant Derived loop invariant: ((ldv_coherent_state == 0) && (ldv_urb_state == 0)) - InvariantResult [Line: 3943]: Loop Invariant Derived loop invariant: ((ldv_coherent_state == 0) && (ldv_urb_state == 0)) - InvariantResult [Line: 3910]: Loop Invariant Derived loop invariant: ((ldv_coherent_state == 0) && (ldv_urb_state == 0)) - InvariantResult [Line: 3686]: Loop Invariant Derived loop invariant: ((ldv_coherent_state == 0) && (ldv_urb_state == 0)) - InvariantResult [Line: 5226]: Location Invariant Derived location invariant: ((ldv_coherent_state == 0) && (ldv_urb_state == 0)) - InvariantResult [Line: 3864]: Location Invariant Derived location invariant: ((ldv_coherent_state == 0) && (ldv_urb_state == 0)) - InvariantResult [Line: 3982]: Loop Invariant Derived loop invariant: ((ldv_coherent_state == 0) && (ldv_urb_state == 0)) - InvariantResult [Line: 3744]: Location Invariant Derived location invariant: ((ldv_coherent_state == 0) && (ldv_urb_state == 0)) - InvariantResult [Line: 3717]: Loop Invariant Derived loop invariant: ((ldv_coherent_state == 0) && (ldv_urb_state == 0)) - InvariantResult [Line: 4542]: Loop Invariant Derived loop invariant: ((ldv_coherent_state == 0) && (ldv_urb_state == 0)) - InvariantResult [Line: 5214]: Location Invariant Derived location invariant: ((ldv_coherent_state == 0) && (ldv_urb_state == 0)) - InvariantResult [Line: 3386]: Loop Invariant Derived loop invariant: ((ldv_coherent_state == 0) && (ldv_urb_state == 0)) - InvariantResult [Line: 3826]: Loop Invariant Derived loop invariant: ((ldv_coherent_state == 0) && (ldv_urb_state == 0)) - InvariantResult [Line: 4610]: Location Invariant Derived location invariant: ((ldv_coherent_state == 0) && (ldv_urb_state == 0)) - InvariantResult [Line: 3483]: Loop Invariant Derived loop invariant: ((ldv_coherent_state == 0) && (ldv_urb_state == 0)) RESULT: Ultimate proved your program to be correct! [2024-11-24 01:30:14,184 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ab2d0a58-7615-4c23-b385-e0e58b01906d/bin/uautomizer-verify-LYvppIcaGC/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