./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 d790fecc Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_817ecf92-3156-40b1-99e9-a87622315a47/bin/uautomizer-verify-84ZbGMXZE1/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_817ecf92-3156-40b1-99e9-a87622315a47/bin/uautomizer-verify-84ZbGMXZE1/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_817ecf92-3156-40b1-99e9-a87622315a47/bin/uautomizer-verify-84ZbGMXZE1/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_817ecf92-3156-40b1-99e9-a87622315a47/bin/uautomizer-verify-84ZbGMXZE1/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_817ecf92-3156-40b1-99e9-a87622315a47/bin/uautomizer-verify-84ZbGMXZE1/config/svcomp-Reach-64bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_817ecf92-3156-40b1-99e9-a87622315a47/bin/uautomizer-verify-84ZbGMXZE1 --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-d790fec [2024-12-02 10:49:43,690 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-12-02 10:49:43,745 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_817ecf92-3156-40b1-99e9-a87622315a47/bin/uautomizer-verify-84ZbGMXZE1/config/svcomp-Reach-64bit-Automizer_Default.epf [2024-12-02 10:49:43,750 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-12-02 10:49:43,750 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-12-02 10:49:43,771 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-12-02 10:49:43,772 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-12-02 10:49:43,772 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-12-02 10:49:43,773 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-12-02 10:49:43,773 INFO L153 SettingsManager]: * Use memory slicer=true [2024-12-02 10:49:43,773 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-12-02 10:49:43,773 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-12-02 10:49:43,773 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-12-02 10:49:43,773 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-12-02 10:49:43,774 INFO L153 SettingsManager]: * Use SBE=true [2024-12-02 10:49:43,774 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-12-02 10:49:43,774 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-12-02 10:49:43,774 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-12-02 10:49:43,774 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-12-02 10:49:43,774 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-12-02 10:49:43,774 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-12-02 10:49:43,774 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-12-02 10:49:43,774 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-12-02 10:49:43,774 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2024-12-02 10:49:43,774 INFO L153 SettingsManager]: * Use constant arrays=true [2024-12-02 10:49:43,775 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2024-12-02 10:49:43,775 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-12-02 10:49:43,775 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-12-02 10:49:43,775 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-12-02 10:49:43,775 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-12-02 10:49:43,775 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-12-02 10:49:43,775 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-12-02 10:49:43,775 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-12-02 10:49:43,775 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-12-02 10:49:43,775 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-12-02 10:49:43,775 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-12-02 10:49:43,775 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-12-02 10:49:43,775 INFO L153 SettingsManager]: * Compute procedure contracts=false [2024-12-02 10:49:43,776 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-12-02 10:49:43,776 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-12-02 10:49:43,776 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-12-02 10:49:43,776 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-12-02 10:49:43,776 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-12-02 10:49:43,776 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-12-02 10:49:43,776 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-12-02 10:49:43,776 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_817ecf92-3156-40b1-99e9-a87622315a47/bin/uautomizer-verify-84ZbGMXZE1 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 [2024-12-02 10:49:43,974 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-12-02 10:49:43,981 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-12-02 10:49:43,983 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-12-02 10:49:43,984 INFO L270 PluginConnector]: Initializing CDTParser... [2024-12-02 10:49:43,984 INFO L274 PluginConnector]: CDTParser initialized [2024-12-02 10:49:43,986 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_817ecf92-3156-40b1-99e9-a87622315a47/bin/uautomizer-verify-84ZbGMXZE1/../../sv-benchmarks/c/ldv-linux-3.0/usb_urb-drivers-misc-c2port-core.ko.cil.out.i [2024-12-02 10:49:46,664 INFO L533 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_817ecf92-3156-40b1-99e9-a87622315a47/bin/uautomizer-verify-84ZbGMXZE1/data/d69a8a591/4488ab43bfff411ea9da374609ac2ba6/FLAGa78d4e071 [2024-12-02 10:49:47,068 INFO L384 CDTParser]: Found 1 translation units. [2024-12-02 10:49:47,069 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_817ecf92-3156-40b1-99e9-a87622315a47/sv-benchmarks/c/ldv-linux-3.0/usb_urb-drivers-misc-c2port-core.ko.cil.out.i [2024-12-02 10:49:47,101 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_817ecf92-3156-40b1-99e9-a87622315a47/bin/uautomizer-verify-84ZbGMXZE1/data/d69a8a591/4488ab43bfff411ea9da374609ac2ba6/FLAGa78d4e071 [2024-12-02 10:49:47,239 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_817ecf92-3156-40b1-99e9-a87622315a47/bin/uautomizer-verify-84ZbGMXZE1/data/d69a8a591/4488ab43bfff411ea9da374609ac2ba6 [2024-12-02 10:49:47,241 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-12-02 10:49:47,242 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-12-02 10:49:47,244 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-12-02 10:49:47,244 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-12-02 10:49:47,248 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-12-02 10:49:47,249 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 10:49:47" (1/1) ... [2024-12-02 10:49:47,250 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7474a9c5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 10:49:47, skipping insertion in model container [2024-12-02 10:49:47,250 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 10:49:47" (1/1) ... [2024-12-02 10:49:47,307 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-12-02 10:49:47,952 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_817ecf92-3156-40b1-99e9-a87622315a47/sv-benchmarks/c/ldv-linux-3.0/usb_urb-drivers-misc-c2port-core.ko.cil.out.i[148506,148519] [2024-12-02 10:49:47,994 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-12-02 10:49:48,028 INFO L200 MainTranslator]: Completed pre-run [2024-12-02 10:49:48,121 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("1:\tud2\n" ".pushsection __bug_table,\"a\"\n" "2:\t.long 1b - 2b, %c0 - 2b\n" "\t.word %c1, 0\n" "\t.org 2b+%c2\n" ".popsection": : "i" ("/anthill/stuff/tacas-comp/inst/current/envs/linux-3.0.1/linux-3.0.1/arch/x86/include/asm/paravirt.h"), "i" (863), "i" (sizeof(struct bug_entry ))); [3395-3401] [2024-12-02 10:49:48,123 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("" "771:\n\t" "call *%c[paravirt_opptr];" "\n" "772:\n" ".pushsection .parainstructions,\"a\"\n" " " ".balign 8" " " "\n" " " ".quad" " " " 771b\n" " .byte " "%c[paravirt_typenum]" "\n" " .byte 772b-771b\n" " .short " "%c[paravirt_clobber]" "\n" ".popsection\n" "": "=a" (__eax): [paravirt_typenum] "i" ((unsigned long )((unsigned int )(& ((struct paravirt_patch_template *)0)->pv_irq_ops.irq_disable.func)) / sizeof(void *)), [paravirt_opptr] "i" (& pv_irq_ops.irq_disable.func), [paravirt_clobber] "i" (1): "memory", "cc"); [3420-3444] [2024-12-02 10:49:48,125 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] [2024-12-02 10:49:48,125 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] [2024-12-02 10:49:48,222 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_817ecf92-3156-40b1-99e9-a87622315a47/sv-benchmarks/c/ldv-linux-3.0/usb_urb-drivers-misc-c2port-core.ko.cil.out.i[148506,148519] [2024-12-02 10:49:48,229 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-12-02 10:49:48,290 INFO L204 MainTranslator]: Completed translation [2024-12-02 10:49:48,291 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 10:49:48 WrapperNode [2024-12-02 10:49:48,291 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-12-02 10:49:48,292 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-12-02 10:49:48,292 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-12-02 10:49:48,292 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-12-02 10:49:48,299 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 10:49:48" (1/1) ... [2024-12-02 10:49:48,330 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 10:49:48" (1/1) ... [2024-12-02 10:49:48,396 INFO L138 Inliner]: procedures = 105, calls = 783, calls flagged for inlining = 28, calls inlined = 10, statements flattened = 1111 [2024-12-02 10:49:48,396 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-12-02 10:49:48,397 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-12-02 10:49:48,397 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-12-02 10:49:48,397 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-12-02 10:49:48,409 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 10:49:48" (1/1) ... [2024-12-02 10:49:48,409 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 10:49:48" (1/1) ... [2024-12-02 10:49:48,418 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 10:49:48" (1/1) ... [2024-12-02 10:49:48,468 INFO L175 MemorySlicer]: Split 367 memory accesses to 15 slices as follows [2, 18, 8, 32, 50, 2, 8, 185, 1, 7, 14, 7, 9, 10, 14]. 50 percent of accesses are in the largest equivalence class. The 81 initializations are split as follows [2, 0, 8, 32, 0, 0, 8, 0, 0, 0, 0, 7, 0, 10, 14]. The 220 writes are split as follows [0, 18, 0, 0, 50, 0, 0, 145, 0, 3, 1, 0, 3, 0, 0]. [2024-12-02 10:49:48,468 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 10:49:48" (1/1) ... [2024-12-02 10:49:48,469 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 10:49:48" (1/1) ... [2024-12-02 10:49:48,506 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 10:49:48" (1/1) ... [2024-12-02 10:49:48,509 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 10:49:48" (1/1) ... [2024-12-02 10:49:48,518 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 10:49:48" (1/1) ... [2024-12-02 10:49:48,528 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 10:49:48" (1/1) ... [2024-12-02 10:49:48,533 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 10:49:48" (1/1) ... [2024-12-02 10:49:48,546 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-12-02 10:49:48,547 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-12-02 10:49:48,547 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-12-02 10:49:48,547 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-12-02 10:49:48,548 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 10:49:48" (1/1) ... [2024-12-02 10:49:48,554 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-12-02 10:49:48,566 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_817ecf92-3156-40b1-99e9-a87622315a47/bin/uautomizer-verify-84ZbGMXZE1/z3 [2024-12-02 10:49:48,579 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_817ecf92-3156-40b1-99e9-a87622315a47/bin/uautomizer-verify-84ZbGMXZE1/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-12-02 10:49:48,582 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_817ecf92-3156-40b1-99e9-a87622315a47/bin/uautomizer-verify-84ZbGMXZE1/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-12-02 10:49:48,609 INFO L130 BoogieDeclarations]: Found specification of procedure dev_get_drvdata [2024-12-02 10:49:48,609 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_get_drvdata [2024-12-02 10:49:48,609 INFO L130 BoogieDeclarations]: Found specification of procedure arch_local_irq_disable [2024-12-02 10:49:48,609 INFO L138 BoogieDeclarations]: Found implementation of procedure arch_local_irq_disable [2024-12-02 10:49:48,609 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#0 [2024-12-02 10:49:48,609 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#1 [2024-12-02 10:49:48,609 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#2 [2024-12-02 10:49:48,609 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#3 [2024-12-02 10:49:48,609 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#4 [2024-12-02 10:49:48,609 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#5 [2024-12-02 10:49:48,609 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#6 [2024-12-02 10:49:48,610 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#7 [2024-12-02 10:49:48,610 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#8 [2024-12-02 10:49:48,610 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#9 [2024-12-02 10:49:48,610 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#10 [2024-12-02 10:49:48,610 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#11 [2024-12-02 10:49:48,610 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#12 [2024-12-02 10:49:48,610 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#13 [2024-12-02 10:49:48,610 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#14 [2024-12-02 10:49:48,610 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#0 [2024-12-02 10:49:48,610 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#1 [2024-12-02 10:49:48,610 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#2 [2024-12-02 10:49:48,610 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#3 [2024-12-02 10:49:48,610 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#4 [2024-12-02 10:49:48,610 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#5 [2024-12-02 10:49:48,611 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#6 [2024-12-02 10:49:48,611 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#7 [2024-12-02 10:49:48,611 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#8 [2024-12-02 10:49:48,611 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#9 [2024-12-02 10:49:48,611 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#10 [2024-12-02 10:49:48,611 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#11 [2024-12-02 10:49:48,611 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#12 [2024-12-02 10:49:48,611 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#13 [2024-12-02 10:49:48,611 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#14 [2024-12-02 10:49:48,611 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#0 [2024-12-02 10:49:48,611 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#1 [2024-12-02 10:49:48,611 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#2 [2024-12-02 10:49:48,611 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#3 [2024-12-02 10:49:48,611 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#4 [2024-12-02 10:49:48,611 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#5 [2024-12-02 10:49:48,611 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#6 [2024-12-02 10:49:48,611 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#7 [2024-12-02 10:49:48,611 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#8 [2024-12-02 10:49:48,611 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#9 [2024-12-02 10:49:48,612 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#10 [2024-12-02 10:49:48,612 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#11 [2024-12-02 10:49:48,612 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#12 [2024-12-02 10:49:48,612 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#13 [2024-12-02 10:49:48,612 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#14 [2024-12-02 10:49:48,612 INFO L130 BoogieDeclarations]: Found specification of procedure c2port_read_dr [2024-12-02 10:49:48,612 INFO L138 BoogieDeclarations]: Found implementation of procedure c2port_read_dr [2024-12-02 10:49:48,612 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2024-12-02 10:49:48,612 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2024-12-02 10:49:48,612 INFO L130 BoogieDeclarations]: Found specification of procedure c2port_write_ar [2024-12-02 10:49:48,612 INFO L138 BoogieDeclarations]: Found implementation of procedure c2port_write_ar [2024-12-02 10:49:48,612 INFO L130 BoogieDeclarations]: Found specification of procedure trace_hardirqs_on [2024-12-02 10:49:48,612 INFO L138 BoogieDeclarations]: Found implementation of procedure trace_hardirqs_on [2024-12-02 10:49:48,612 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#0 [2024-12-02 10:49:48,612 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#1 [2024-12-02 10:49:48,612 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#2 [2024-12-02 10:49:48,612 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#3 [2024-12-02 10:49:48,612 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#4 [2024-12-02 10:49:48,613 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#5 [2024-12-02 10:49:48,613 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#6 [2024-12-02 10:49:48,613 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#7 [2024-12-02 10:49:48,613 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#8 [2024-12-02 10:49:48,613 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#9 [2024-12-02 10:49:48,613 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#10 [2024-12-02 10:49:48,613 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#11 [2024-12-02 10:49:48,613 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#12 [2024-12-02 10:49:48,613 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#13 [2024-12-02 10:49:48,613 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#14 [2024-12-02 10:49:48,613 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_unlock [2024-12-02 10:49:48,613 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_unlock [2024-12-02 10:49:48,613 INFO L130 BoogieDeclarations]: Found specification of procedure c2port_poll_out_ready [2024-12-02 10:49:48,613 INFO L138 BoogieDeclarations]: Found implementation of procedure c2port_poll_out_ready [2024-12-02 10:49:48,613 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2024-12-02 10:49:48,613 INFO L130 BoogieDeclarations]: Found specification of procedure arch_local_irq_enable [2024-12-02 10:49:48,613 INFO L138 BoogieDeclarations]: Found implementation of procedure arch_local_irq_enable [2024-12-02 10:49:48,613 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~int~TO~VOID [2024-12-02 10:49:48,614 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~int~TO~VOID [2024-12-02 10:49:48,614 INFO L130 BoogieDeclarations]: Found specification of procedure c2port_read_ar [2024-12-02 10:49:48,614 INFO L138 BoogieDeclarations]: Found implementation of procedure c2port_read_ar [2024-12-02 10:49:48,614 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-12-02 10:49:48,614 INFO L130 BoogieDeclarations]: Found specification of procedure __const_udelay [2024-12-02 10:49:48,614 INFO L138 BoogieDeclarations]: Found implementation of procedure __const_udelay [2024-12-02 10:49:48,614 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#0 [2024-12-02 10:49:48,614 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#1 [2024-12-02 10:49:48,614 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#2 [2024-12-02 10:49:48,614 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#3 [2024-12-02 10:49:48,614 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#4 [2024-12-02 10:49:48,614 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#5 [2024-12-02 10:49:48,614 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#6 [2024-12-02 10:49:48,614 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#7 [2024-12-02 10:49:48,614 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#8 [2024-12-02 10:49:48,614 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#9 [2024-12-02 10:49:48,614 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#10 [2024-12-02 10:49:48,614 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#11 [2024-12-02 10:49:48,615 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#12 [2024-12-02 10:49:48,615 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#13 [2024-12-02 10:49:48,615 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#14 [2024-12-02 10:49:48,615 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2024-12-02 10:49:48,615 INFO L130 BoogieDeclarations]: Found specification of procedure c2port_strobe_ck [2024-12-02 10:49:48,615 INFO L138 BoogieDeclarations]: Found implementation of procedure c2port_strobe_ck [2024-12-02 10:49:48,615 INFO L130 BoogieDeclarations]: Found specification of procedure trace_hardirqs_off [2024-12-02 10:49:48,615 INFO L138 BoogieDeclarations]: Found implementation of procedure trace_hardirqs_off [2024-12-02 10:49:48,615 INFO L130 BoogieDeclarations]: Found specification of procedure c2port_poll_in_busy [2024-12-02 10:49:48,615 INFO L138 BoogieDeclarations]: Found implementation of procedure c2port_poll_in_busy [2024-12-02 10:49:48,615 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~int [2024-12-02 10:49:48,615 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~int [2024-12-02 10:49:48,615 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#0 [2024-12-02 10:49:48,615 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#1 [2024-12-02 10:49:48,615 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#2 [2024-12-02 10:49:48,615 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#3 [2024-12-02 10:49:48,615 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#4 [2024-12-02 10:49:48,616 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#5 [2024-12-02 10:49:48,616 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#6 [2024-12-02 10:49:48,616 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#7 [2024-12-02 10:49:48,616 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#8 [2024-12-02 10:49:48,616 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#9 [2024-12-02 10:49:48,616 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#10 [2024-12-02 10:49:48,616 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#11 [2024-12-02 10:49:48,616 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#12 [2024-12-02 10:49:48,616 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#13 [2024-12-02 10:49:48,616 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#14 [2024-12-02 10:49:48,616 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_blast_assert [2024-12-02 10:49:48,616 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_blast_assert [2024-12-02 10:49:48,616 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-12-02 10:49:48,616 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#0 [2024-12-02 10:49:48,616 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#1 [2024-12-02 10:49:48,616 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#2 [2024-12-02 10:49:48,616 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#3 [2024-12-02 10:49:48,617 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#4 [2024-12-02 10:49:48,617 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#5 [2024-12-02 10:49:48,617 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#6 [2024-12-02 10:49:48,617 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#7 [2024-12-02 10:49:48,617 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#8 [2024-12-02 10:49:48,617 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#9 [2024-12-02 10:49:48,617 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#10 [2024-12-02 10:49:48,617 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#11 [2024-12-02 10:49:48,617 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#12 [2024-12-02 10:49:48,617 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#13 [2024-12-02 10:49:48,617 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#14 [2024-12-02 10:49:48,617 INFO L130 BoogieDeclarations]: Found specification of procedure printk [2024-12-02 10:49:48,617 INFO L138 BoogieDeclarations]: Found implementation of procedure printk [2024-12-02 10:49:48,617 INFO L130 BoogieDeclarations]: Found specification of procedure dev_err [2024-12-02 10:49:48,617 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_err [2024-12-02 10:49:48,617 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_lock_nested [2024-12-02 10:49:48,618 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_lock_nested [2024-12-02 10:49:48,618 INFO L130 BoogieDeclarations]: Found specification of procedure c2port_write_dr [2024-12-02 10:49:48,618 INFO L138 BoogieDeclarations]: Found implementation of procedure c2port_write_dr [2024-12-02 10:49:48,618 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-12-02 10:49:48,618 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#1 [2024-12-02 10:49:48,618 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#2 [2024-12-02 10:49:48,618 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#3 [2024-12-02 10:49:48,618 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#4 [2024-12-02 10:49:48,618 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#5 [2024-12-02 10:49:48,618 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#6 [2024-12-02 10:49:48,618 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#7 [2024-12-02 10:49:48,618 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#8 [2024-12-02 10:49:48,618 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#9 [2024-12-02 10:49:48,618 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#10 [2024-12-02 10:49:48,618 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#11 [2024-12-02 10:49:48,618 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#12 [2024-12-02 10:49:48,618 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#13 [2024-12-02 10:49:48,618 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#14 [2024-12-02 10:49:48,619 INFO L130 BoogieDeclarations]: Found specification of procedure c2port_exit [2024-12-02 10:49:48,619 INFO L138 BoogieDeclarations]: Found implementation of procedure c2port_exit [2024-12-02 10:49:48,619 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-12-02 10:49:48,619 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-12-02 10:49:48,619 INFO L130 BoogieDeclarations]: Found specification of procedure c2port_init [2024-12-02 10:49:48,619 INFO L138 BoogieDeclarations]: Found implementation of procedure c2port_init [2024-12-02 10:49:48,952 INFO L234 CfgBuilder]: Building ICFG [2024-12-02 10:49:48,954 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2024-12-02 10:49:49,385 WARN L773 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2024-12-02 10:49:55,584 INFO L727 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##16: assume !false; [2024-12-02 10:49:55,584 INFO L727 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##15: assume false; [2024-12-02 10:49:55,783 INFO L? ?]: Removed 272 outVars from TransFormulas that were not future-live. [2024-12-02 10:49:55,783 INFO L283 CfgBuilder]: Performing block encoding [2024-12-02 10:49:55,800 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-12-02 10:49:55,800 INFO L312 CfgBuilder]: Removed 38 assume(true) statements. [2024-12-02 10:49:55,800 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 10:49:55 BoogieIcfgContainer [2024-12-02 10:49:55,800 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-12-02 10:49:55,805 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-12-02 10:49:55,805 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-12-02 10:49:55,809 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-12-02 10:49:55,809 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 02.12 10:49:47" (1/3) ... [2024-12-02 10:49:55,810 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5022d1b2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.12 10:49:55, skipping insertion in model container [2024-12-02 10:49:55,810 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 10:49:48" (2/3) ... [2024-12-02 10:49:55,810 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5022d1b2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.12 10:49:55, skipping insertion in model container [2024-12-02 10:49:55,810 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 10:49:55" (3/3) ... [2024-12-02 10:49:55,811 INFO L128 eAbstractionObserver]: Analyzing ICFG usb_urb-drivers-misc-c2port-core.ko.cil.out.i [2024-12-02 10:49:55,826 INFO L216 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-12-02 10:49:55,827 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. [2024-12-02 10:49:55,886 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-12-02 10:49:55,897 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;@200960d, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-12-02 10:49:55,897 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-12-02 10:49:55,902 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) [2024-12-02 10:49:55,908 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2024-12-02 10:49:55,909 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 10:49:55,909 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] [2024-12-02 10:49:55,910 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ldv_blast_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_blast_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-02 10:49:55,914 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 10:49:55,914 INFO L85 PathProgramCache]: Analyzing trace with hash 1373484218, now seen corresponding path program 1 times [2024-12-02 10:49:55,921 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 10:49:55,922 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2119112928] [2024-12-02 10:49:55,922 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 10:49:55,923 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 10:49:59,891 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 10:50:01,518 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-02 10:50:01,518 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 10:50:01,518 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2119112928] [2024-12-02 10:50:01,519 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2119112928] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 10:50:01,519 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 10:50:01,519 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2024-12-02 10:50:01,520 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1021083806] [2024-12-02 10:50:01,521 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 10:50:01,524 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-12-02 10:50:01,524 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 10:50:01,539 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-12-02 10:50:01,539 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2024-12-02 10:50:01,542 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) [2024-12-02 10:50:02,113 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 10:50:02,114 INFO L93 Difference]: Finished difference Result 1174 states and 1903 transitions. [2024-12-02 10:50:02,115 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-12-02 10:50:02,116 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 [2024-12-02 10:50:02,116 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 10:50:02,133 INFO L225 Difference]: With dead ends: 1174 [2024-12-02 10:50:02,133 INFO L226 Difference]: Without dead ends: 773 [2024-12-02 10:50:02,144 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=21, Invalid=51, Unknown=0, NotChecked=0, Total=72 [2024-12-02 10:50:02,147 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, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 22 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-12-02 10:50:02,148 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [561 Valid, 4828 Invalid, 24 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 22 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-12-02 10:50:02,163 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 773 states. [2024-12-02 10:50:02,244 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 773 to 759. [2024-12-02 10:50:02,247 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) [2024-12-02 10:50:02,260 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 759 states to 759 states and 1075 transitions. [2024-12-02 10:50:02,263 INFO L78 Accepts]: Start accepts. Automaton has 759 states and 1075 transitions. Word has length 26 [2024-12-02 10:50:02,264 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 10:50:02,264 INFO L471 AbstractCegarLoop]: Abstraction has 759 states and 1075 transitions. [2024-12-02 10:50:02,264 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) [2024-12-02 10:50:02,264 INFO L276 IsEmpty]: Start isEmpty. Operand 759 states and 1075 transitions. [2024-12-02 10:50:02,265 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2024-12-02 10:50:02,266 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 10:50:02,266 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] [2024-12-02 10:50:02,266 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-12-02 10:50:02,266 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ldv_blast_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_blast_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-02 10:50:02,267 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 10:50:02,267 INFO L85 PathProgramCache]: Analyzing trace with hash 867925593, now seen corresponding path program 1 times [2024-12-02 10:50:02,267 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 10:50:02,267 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2015008217] [2024-12-02 10:50:02,267 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 10:50:02,267 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 10:50:05,622 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 10:50:06,223 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-02 10:50:06,223 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 10:50:06,223 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2015008217] [2024-12-02 10:50:06,223 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2015008217] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 10:50:06,223 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 10:50:06,223 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-12-02 10:50:06,223 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [136626729] [2024-12-02 10:50:06,223 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 10:50:06,224 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-12-02 10:50:06,224 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 10:50:06,225 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-12-02 10:50:06,225 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-12-02 10:50:06,225 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) [2024-12-02 10:50:06,337 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 10:50:06,337 INFO L93 Difference]: Finished difference Result 766 states and 1082 transitions. [2024-12-02 10:50:06,337 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-12-02 10:50:06,338 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 [2024-12-02 10:50:06,338 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 10:50:06,345 INFO L225 Difference]: With dead ends: 766 [2024-12-02 10:50:06,345 INFO L226 Difference]: Without dead ends: 759 [2024-12-02 10:50:06,346 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 [2024-12-02 10:50:06,347 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 [2024-12-02 10:50:06,347 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] [2024-12-02 10:50:06,349 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 759 states. [2024-12-02 10:50:06,388 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 759 to 759. [2024-12-02 10:50:06,390 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) [2024-12-02 10:50:06,398 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 759 states to 759 states and 1074 transitions. [2024-12-02 10:50:06,399 INFO L78 Accepts]: Start accepts. Automaton has 759 states and 1074 transitions. Word has length 26 [2024-12-02 10:50:06,400 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 10:50:06,400 INFO L471 AbstractCegarLoop]: Abstraction has 759 states and 1074 transitions. [2024-12-02 10:50:06,400 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) [2024-12-02 10:50:06,400 INFO L276 IsEmpty]: Start isEmpty. Operand 759 states and 1074 transitions. [2024-12-02 10:50:06,401 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2024-12-02 10:50:06,401 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 10:50:06,401 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] [2024-12-02 10:50:06,401 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-12-02 10:50:06,401 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ldv_blast_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_blast_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-02 10:50:06,401 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 10:50:06,402 INFO L85 PathProgramCache]: Analyzing trace with hash -338728756, now seen corresponding path program 1 times [2024-12-02 10:50:06,402 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 10:50:06,402 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1521910072] [2024-12-02 10:50:06,402 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 10:50:06,402 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 10:50:09,579 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 10:50:09,793 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2024-12-02 10:50:09,793 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 10:50:09,793 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1521910072] [2024-12-02 10:50:09,793 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1521910072] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 10:50:09,793 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 10:50:09,793 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-12-02 10:50:09,793 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [153509789] [2024-12-02 10:50:09,794 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 10:50:09,794 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-12-02 10:50:09,794 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 10:50:09,795 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-12-02 10:50:09,795 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-12-02 10:50:09,795 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) [2024-12-02 10:50:09,831 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 10:50:09,831 INFO L93 Difference]: Finished difference Result 761 states and 1075 transitions. [2024-12-02 10:50:09,832 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-12-02 10:50:09,832 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 [2024-12-02 10:50:09,832 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 10:50:09,837 INFO L225 Difference]: With dead ends: 761 [2024-12-02 10:50:09,837 INFO L226 Difference]: Without dead ends: 758 [2024-12-02 10:50:09,838 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 [2024-12-02 10:50:09,838 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 [2024-12-02 10:50:09,839 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] [2024-12-02 10:50:09,841 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 758 states. [2024-12-02 10:50:09,879 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 758 to 758. [2024-12-02 10:50:09,880 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) [2024-12-02 10:50:09,886 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 758 states to 758 states and 1072 transitions. [2024-12-02 10:50:09,887 INFO L78 Accepts]: Start accepts. Automaton has 758 states and 1072 transitions. Word has length 31 [2024-12-02 10:50:09,887 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 10:50:09,887 INFO L471 AbstractCegarLoop]: Abstraction has 758 states and 1072 transitions. [2024-12-02 10:50:09,887 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) [2024-12-02 10:50:09,887 INFO L276 IsEmpty]: Start isEmpty. Operand 758 states and 1072 transitions. [2024-12-02 10:50:09,888 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2024-12-02 10:50:09,888 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 10:50:09,888 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] [2024-12-02 10:50:09,888 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2024-12-02 10:50:09,889 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ldv_blast_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_blast_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-02 10:50:09,889 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 10:50:09,889 INFO L85 PathProgramCache]: Analyzing trace with hash -1910922524, now seen corresponding path program 1 times [2024-12-02 10:50:09,889 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 10:50:09,889 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [440785677] [2024-12-02 10:50:09,889 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 10:50:09,889 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 10:50:13,266 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 10:50:13,486 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2024-12-02 10:50:13,486 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 10:50:13,486 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [440785677] [2024-12-02 10:50:13,486 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [440785677] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 10:50:13,486 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 10:50:13,486 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-12-02 10:50:13,486 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [409021457] [2024-12-02 10:50:13,486 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 10:50:13,487 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-12-02 10:50:13,487 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 10:50:13,487 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-12-02 10:50:13,488 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-12-02 10:50:13,488 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) [2024-12-02 10:50:13,517 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 10:50:13,517 INFO L93 Difference]: Finished difference Result 758 states and 1072 transitions. [2024-12-02 10:50:13,517 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-12-02 10:50:13,517 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 [2024-12-02 10:50:13,518 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 10:50:13,518 INFO L225 Difference]: With dead ends: 758 [2024-12-02 10:50:13,518 INFO L226 Difference]: Without dead ends: 0 [2024-12-02 10:50:13,521 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 [2024-12-02 10:50:13,522 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 [2024-12-02 10:50:13,523 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] [2024-12-02 10:50:13,523 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2024-12-02 10:50:13,523 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2024-12-02 10:50:13,523 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) [2024-12-02 10:50:13,523 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2024-12-02 10:50:13,524 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 32 [2024-12-02 10:50:13,524 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 10:50:13,524 INFO L471 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2024-12-02 10:50:13,525 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) [2024-12-02 10:50:13,525 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2024-12-02 10:50:13,525 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2024-12-02 10:50:13,528 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ldv_blast_assertErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2024-12-02 10:50:13,528 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2024-12-02 10:50:13,530 INFO L422 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1] [2024-12-02 10:50:13,532 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2024-12-02 10:50:45,669 INFO L170 ceAbstractionStarter]: Computing trace abstraction results [2024-12-02 10:50:45,686 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 02.12 10:50:45 BoogieIcfgContainer [2024-12-02 10:50:45,686 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-12-02 10:50:45,687 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-12-02 10:50:45,687 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-12-02 10:50:45,687 INFO L274 PluginConnector]: Witness Printer initialized [2024-12-02 10:50:45,688 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 10:49:55" (3/4) ... [2024-12-02 10:50:45,690 INFO L146 WitnessPrinter]: Generating witness for correct program [2024-12-02 10:50:45,695 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure c2port_read_ar [2024-12-02 10:50:45,696 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure c2port_read_dr [2024-12-02 10:50:45,696 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure dev_get_drvdata [2024-12-02 10:50:45,696 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure c2port_write_dr [2024-12-02 10:50:45,696 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure printk [2024-12-02 10:50:45,696 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure arch_local_irq_disable [2024-12-02 10:50:45,696 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure __const_udelay [2024-12-02 10:50:45,696 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure trace_hardirqs_on [2024-12-02 10:50:45,696 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure dev_err [2024-12-02 10:50:45,696 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure mutex_unlock [2024-12-02 10:50:45,696 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure ldv_malloc [2024-12-02 10:50:45,696 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure c2port_exit [2024-12-02 10:50:45,696 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure c2port_strobe_ck [2024-12-02 10:50:45,696 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure arch_local_irq_enable [2024-12-02 10:50:45,696 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure trace_hardirqs_off [2024-12-02 10:50:45,696 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure c2port_poll_out_ready [2024-12-02 10:50:45,696 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure ##fun~$Pointer$~X~int~TO~VOID [2024-12-02 10:50:45,697 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure c2port_write_ar [2024-12-02 10:50:45,697 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure c2port_poll_in_busy [2024-12-02 10:50:45,697 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure ##fun~$Pointer$~TO~int [2024-12-02 10:50:45,697 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure ldv_blast_assert [2024-12-02 10:50:45,697 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure mutex_lock_nested [2024-12-02 10:50:45,697 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure c2port_init [2024-12-02 10:50:45,718 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 126 nodes and edges [2024-12-02 10:50:45,720 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 47 nodes and edges [2024-12-02 10:50:45,721 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 15 nodes and edges [2024-12-02 10:50:45,723 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2024-12-02 10:50:45,724 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2024-12-02 10:50:45,725 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2024-12-02 10:50:45,726 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2024-12-02 10:50:46,045 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_817ecf92-3156-40b1-99e9-a87622315a47/bin/uautomizer-verify-84ZbGMXZE1/witness.graphml [2024-12-02 10:50:46,046 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_817ecf92-3156-40b1-99e9-a87622315a47/bin/uautomizer-verify-84ZbGMXZE1/witness.yml [2024-12-02 10:50:46,046 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-12-02 10:50:46,047 INFO L158 Benchmark]: Toolchain (without parser) took 58804.09ms. Allocated memory was 142.6MB in the beginning and 1.4GB in the end (delta: 1.2GB). Free memory was 110.6MB in the beginning and 1.1GB in the end (delta: -1.0GB). Peak memory consumption was 241.9MB. Max. memory is 16.1GB. [2024-12-02 10:50:46,047 INFO L158 Benchmark]: CDTParser took 0.33ms. Allocated memory is still 142.6MB. Free memory is still 83.1MB. There was no memory consumed. Max. memory is 16.1GB. [2024-12-02 10:50:46,047 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1047.97ms. Allocated memory is still 142.6MB. Free memory was 110.6MB in the beginning and 58.7MB in the end (delta: 52.0MB). Peak memory consumption was 73.6MB. Max. memory is 16.1GB. [2024-12-02 10:50:46,048 INFO L158 Benchmark]: Boogie Procedure Inliner took 104.25ms. Allocated memory is still 142.6MB. Free memory was 58.7MB in the beginning and 102.8MB in the end (delta: -44.1MB). Peak memory consumption was 15.3MB. Max. memory is 16.1GB. [2024-12-02 10:50:46,048 INFO L158 Benchmark]: Boogie Preprocessor took 149.47ms. Allocated memory is still 142.6MB. Free memory was 102.8MB in the beginning and 88.1MB in the end (delta: 14.7MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2024-12-02 10:50:46,048 INFO L158 Benchmark]: RCFGBuilder took 7253.43ms. Allocated memory was 142.6MB in the beginning and 310.4MB in the end (delta: 167.8MB). Free memory was 88.1MB in the beginning and 202.9MB in the end (delta: -114.8MB). Peak memory consumption was 125.8MB. Max. memory is 16.1GB. [2024-12-02 10:50:46,049 INFO L158 Benchmark]: TraceAbstraction took 49881.84ms. Allocated memory was 310.4MB in the beginning and 1.4GB in the end (delta: 1.1GB). Free memory was 202.9MB in the beginning and 1.2GB in the end (delta: -958.9MB). Peak memory consumption was 775.2MB. Max. memory is 16.1GB. [2024-12-02 10:50:46,049 INFO L158 Benchmark]: Witness Printer took 358.57ms. Allocated memory is still 1.4GB. Free memory was 1.2GB in the beginning and 1.1GB in the end (delta: 46.1MB). Peak memory consumption was 50.3MB. Max. memory is 16.1GB. [2024-12-02 10:50:46,051 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.33ms. Allocated memory is still 142.6MB. Free memory is still 83.1MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1047.97ms. Allocated memory is still 142.6MB. Free memory was 110.6MB in the beginning and 58.7MB in the end (delta: 52.0MB). Peak memory consumption was 73.6MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 104.25ms. Allocated memory is still 142.6MB. Free memory was 58.7MB in the beginning and 102.8MB in the end (delta: -44.1MB). Peak memory consumption was 15.3MB. Max. memory is 16.1GB. * Boogie Preprocessor took 149.47ms. Allocated memory is still 142.6MB. Free memory was 102.8MB in the beginning and 88.1MB in the end (delta: 14.7MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * RCFGBuilder took 7253.43ms. Allocated memory was 142.6MB in the beginning and 310.4MB in the end (delta: 167.8MB). Free memory was 88.1MB in the beginning and 202.9MB in the end (delta: -114.8MB). Peak memory consumption was 125.8MB. Max. memory is 16.1GB. * TraceAbstraction took 49881.84ms. Allocated memory was 310.4MB in the beginning and 1.4GB in the end (delta: 1.1GB). Free memory was 202.9MB in the beginning and 1.2GB in the end (delta: -958.9MB). Peak memory consumption was 775.2MB. Max. memory is 16.1GB. * Witness Printer took 358.57ms. Allocated memory is still 1.4GB. Free memory was 1.2GB in the beginning and 1.1GB in the end (delta: 46.1MB). 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: 17.7s, OverallIterations: 4, TraceHistogramMax: 2, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.8s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 1639 SdHoareTripleChecker+Valid, 0.3s 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, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 20 GetRequests, 8 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.6s 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: 0.2s AutomataMinimizationTime, 4 MinimizatonAttempts, 14 StatesRemovedByMinimization, 1 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 0.5s SatisfiabilityAnalysisTime, 2.7s 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! [2024-12-02 10:50:46,123 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_817ecf92-3156-40b1-99e9-a87622315a47/bin/uautomizer-verify-84ZbGMXZE1/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