./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 4fc63b2a Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8ce6106d-23d9-4298-aa9c-0b84bd7c8d66/bin/uautomizer-verify-4GaUIPS5ZU/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8ce6106d-23d9-4298-aa9c-0b84bd7c8d66/bin/uautomizer-verify-4GaUIPS5ZU/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8ce6106d-23d9-4298-aa9c-0b84bd7c8d66/bin/uautomizer-verify-4GaUIPS5ZU/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8ce6106d-23d9-4298-aa9c-0b84bd7c8d66/bin/uautomizer-verify-4GaUIPS5ZU/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_8ce6106d-23d9-4298-aa9c-0b84bd7c8d66/bin/uautomizer-verify-4GaUIPS5ZU/config/svcomp-Reach-64bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8ce6106d-23d9-4298-aa9c-0b84bd7c8d66/bin/uautomizer-verify-4GaUIPS5ZU --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 64bit --witnessprinter.graph.data.programhash 623160d4598cd0ad84c7dc43ec65a6f971cb966f22ee32963f1c0c6e1de756e1 --- Real Ultimate output --- This is Ultimate 0.2.5-dev-4fc63b2 [2024-10-31 22:05:32,160 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-10-31 22:05:32,265 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8ce6106d-23d9-4298-aa9c-0b84bd7c8d66/bin/uautomizer-verify-4GaUIPS5ZU/config/svcomp-Reach-64bit-Automizer_Default.epf [2024-10-31 22:05:32,271 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-10-31 22:05:32,272 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-10-31 22:05:32,309 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-10-31 22:05:32,310 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-10-31 22:05:32,311 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-10-31 22:05:32,312 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-10-31 22:05:32,314 INFO L153 SettingsManager]: * Use memory slicer=true [2024-10-31 22:05:32,314 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-10-31 22:05:32,314 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-10-31 22:05:32,315 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-10-31 22:05:32,315 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-10-31 22:05:32,316 INFO L153 SettingsManager]: * Use SBE=true [2024-10-31 22:05:32,316 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-10-31 22:05:32,316 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-10-31 22:05:32,321 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-10-31 22:05:32,321 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-10-31 22:05:32,322 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-10-31 22:05:32,322 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-10-31 22:05:32,323 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-10-31 22:05:32,327 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-10-31 22:05:32,327 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-10-31 22:05:32,328 INFO L153 SettingsManager]: * Use constant arrays=true [2024-10-31 22:05:32,328 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-10-31 22:05:32,328 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-10-31 22:05:32,328 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-10-31 22:05:32,329 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-10-31 22:05:32,329 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-10-31 22:05:32,329 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-10-31 22:05:32,330 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-10-31 22:05:32,330 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-10-31 22:05:32,330 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-10-31 22:05:32,331 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-10-31 22:05:32,332 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-10-31 22:05:32,332 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-10-31 22:05:32,332 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-10-31 22:05:32,333 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-10-31 22:05:32,333 INFO L153 SettingsManager]: * Looper check in Petri net analysis=SEMANTIC WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8ce6106d-23d9-4298-aa9c-0b84bd7c8d66/bin/uautomizer-verify-4GaUIPS5ZU/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8ce6106d-23d9-4298-aa9c-0b84bd7c8d66/bin/uautomizer-verify-4GaUIPS5ZU Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 623160d4598cd0ad84c7dc43ec65a6f971cb966f22ee32963f1c0c6e1de756e1 [2024-10-31 22:05:32,672 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-10-31 22:05:32,732 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-10-31 22:05:32,739 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-10-31 22:05:32,744 INFO L270 PluginConnector]: Initializing CDTParser... [2024-10-31 22:05:32,745 INFO L274 PluginConnector]: CDTParser initialized [2024-10-31 22:05:32,751 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8ce6106d-23d9-4298-aa9c-0b84bd7c8d66/bin/uautomizer-verify-4GaUIPS5ZU/../../sv-benchmarks/c/ldv-linux-3.0/usb_urb-drivers-misc-c2port-core.ko.cil.out.i Unable to find full path for "g++" [2024-10-31 22:05:34,958 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-10-31 22:05:35,470 INFO L384 CDTParser]: Found 1 translation units. [2024-10-31 22:05:35,471 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8ce6106d-23d9-4298-aa9c-0b84bd7c8d66/sv-benchmarks/c/ldv-linux-3.0/usb_urb-drivers-misc-c2port-core.ko.cil.out.i [2024-10-31 22:05:35,509 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8ce6106d-23d9-4298-aa9c-0b84bd7c8d66/bin/uautomizer-verify-4GaUIPS5ZU/data/185c197ee/f1d5adbfb0e9413f949f4a7a1eab6c77/FLAG9129814e3 [2024-10-31 22:05:35,545 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8ce6106d-23d9-4298-aa9c-0b84bd7c8d66/bin/uautomizer-verify-4GaUIPS5ZU/data/185c197ee/f1d5adbfb0e9413f949f4a7a1eab6c77 [2024-10-31 22:05:35,548 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-10-31 22:05:35,550 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-10-31 22:05:35,551 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-10-31 22:05:35,551 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-10-31 22:05:35,559 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-10-31 22:05:35,560 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 31.10 10:05:35" (1/1) ... [2024-10-31 22:05:35,561 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6d920da4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 10:05:35, skipping insertion in model container [2024-10-31 22:05:35,561 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 31.10 10:05:35" (1/1) ... [2024-10-31 22:05:35,678 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-10-31 22:05:36,700 WARN L251 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_8ce6106d-23d9-4298-aa9c-0b84bd7c8d66/sv-benchmarks/c/ldv-linux-3.0/usb_urb-drivers-misc-c2port-core.ko.cil.out.i[148506,148519] [2024-10-31 22:05:36,755 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-10-31 22:05:36,822 INFO L200 MainTranslator]: Completed pre-run [2024-10-31 22:05:36,969 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] [2024-10-31 22:05:36,974 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] [2024-10-31 22:05:36,977 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] [2024-10-31 22:05:36,981 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] [2024-10-31 22:05:37,155 WARN L251 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_8ce6106d-23d9-4298-aa9c-0b84bd7c8d66/sv-benchmarks/c/ldv-linux-3.0/usb_urb-drivers-misc-c2port-core.ko.cil.out.i[148506,148519] [2024-10-31 22:05:37,162 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-10-31 22:05:37,266 INFO L204 MainTranslator]: Completed translation [2024-10-31 22:05:37,266 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 10:05:37 WrapperNode [2024-10-31 22:05:37,266 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-10-31 22:05:37,267 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-10-31 22:05:37,268 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-10-31 22:05:37,268 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-10-31 22:05:37,276 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 10:05:37" (1/1) ... [2024-10-31 22:05:37,314 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 10:05:37" (1/1) ... [2024-10-31 22:05:37,382 INFO L138 Inliner]: procedures = 105, calls = 783, calls flagged for inlining = 28, calls inlined = 10, statements flattened = 1122 [2024-10-31 22:05:37,383 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-10-31 22:05:37,383 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-10-31 22:05:37,384 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-10-31 22:05:37,384 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-10-31 22:05:37,396 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 10:05:37" (1/1) ... [2024-10-31 22:05:37,397 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 10:05:37" (1/1) ... [2024-10-31 22:05:37,421 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 10:05:37" (1/1) ... [2024-10-31 22:05:37,492 INFO L175 MemorySlicer]: Split 367 memory accesses to 15 slices as follows [9, 7, 18, 2, 8, 50, 8, 14, 185, 2, 32, 7, 1, 10, 14]. 50 percent of accesses are in the largest equivalence class. The 81 initializations are split as follows [0, 0, 0, 2, 8, 0, 8, 0, 0, 0, 32, 7, 0, 10, 14]. The 220 writes are split as follows [3, 3, 18, 0, 0, 50, 0, 1, 145, 0, 0, 0, 0, 0, 0]. [2024-10-31 22:05:37,493 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 10:05:37" (1/1) ... [2024-10-31 22:05:37,493 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 10:05:37" (1/1) ... [2024-10-31 22:05:37,530 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 10:05:37" (1/1) ... [2024-10-31 22:05:37,539 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 10:05:37" (1/1) ... [2024-10-31 22:05:37,548 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 10:05:37" (1/1) ... [2024-10-31 22:05:37,562 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 10:05:37" (1/1) ... [2024-10-31 22:05:37,585 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-10-31 22:05:37,589 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-10-31 22:05:37,590 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-10-31 22:05:37,590 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-10-31 22:05:37,591 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 10:05:37" (1/1) ... [2024-10-31 22:05:37,600 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-10-31 22:05:37,612 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8ce6106d-23d9-4298-aa9c-0b84bd7c8d66/bin/uautomizer-verify-4GaUIPS5ZU/z3 [2024-10-31 22:05:37,627 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8ce6106d-23d9-4298-aa9c-0b84bd7c8d66/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-10-31 22:05:37,630 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8ce6106d-23d9-4298-aa9c-0b84bd7c8d66/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-10-31 22:05:37,662 INFO L130 BoogieDeclarations]: Found specification of procedure dev_get_drvdata [2024-10-31 22:05:37,662 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_get_drvdata [2024-10-31 22:05:37,663 INFO L130 BoogieDeclarations]: Found specification of procedure arch_local_irq_disable [2024-10-31 22:05:37,664 INFO L138 BoogieDeclarations]: Found implementation of procedure arch_local_irq_disable [2024-10-31 22:05:37,664 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#0 [2024-10-31 22:05:37,665 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#1 [2024-10-31 22:05:37,665 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#2 [2024-10-31 22:05:37,665 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#3 [2024-10-31 22:05:37,666 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#4 [2024-10-31 22:05:37,666 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#5 [2024-10-31 22:05:37,666 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#6 [2024-10-31 22:05:37,666 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#7 [2024-10-31 22:05:37,666 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#8 [2024-10-31 22:05:37,666 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#9 [2024-10-31 22:05:37,666 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#10 [2024-10-31 22:05:37,667 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#11 [2024-10-31 22:05:37,667 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#12 [2024-10-31 22:05:37,667 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#13 [2024-10-31 22:05:37,667 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#14 [2024-10-31 22:05:37,667 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#0 [2024-10-31 22:05:37,667 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#1 [2024-10-31 22:05:37,668 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#2 [2024-10-31 22:05:37,669 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#3 [2024-10-31 22:05:37,669 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#4 [2024-10-31 22:05:37,670 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#5 [2024-10-31 22:05:37,670 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#6 [2024-10-31 22:05:37,670 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#7 [2024-10-31 22:05:37,671 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#8 [2024-10-31 22:05:37,671 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#9 [2024-10-31 22:05:37,671 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#10 [2024-10-31 22:05:37,671 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#11 [2024-10-31 22:05:37,695 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#12 [2024-10-31 22:05:37,695 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#13 [2024-10-31 22:05:37,695 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#14 [2024-10-31 22:05:37,696 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#0 [2024-10-31 22:05:37,696 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#1 [2024-10-31 22:05:37,696 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#2 [2024-10-31 22:05:37,696 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#3 [2024-10-31 22:05:37,696 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#4 [2024-10-31 22:05:37,696 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#5 [2024-10-31 22:05:37,696 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#6 [2024-10-31 22:05:37,697 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#7 [2024-10-31 22:05:37,697 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#8 [2024-10-31 22:05:37,697 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#9 [2024-10-31 22:05:37,697 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#10 [2024-10-31 22:05:37,697 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#11 [2024-10-31 22:05:37,697 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#12 [2024-10-31 22:05:37,697 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#13 [2024-10-31 22:05:37,697 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#14 [2024-10-31 22:05:37,698 INFO L130 BoogieDeclarations]: Found specification of procedure c2port_read_dr [2024-10-31 22:05:37,698 INFO L138 BoogieDeclarations]: Found implementation of procedure c2port_read_dr [2024-10-31 22:05:37,698 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2024-10-31 22:05:37,698 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2024-10-31 22:05:37,698 INFO L130 BoogieDeclarations]: Found specification of procedure c2port_write_ar [2024-10-31 22:05:37,698 INFO L138 BoogieDeclarations]: Found implementation of procedure c2port_write_ar [2024-10-31 22:05:37,698 INFO L130 BoogieDeclarations]: Found specification of procedure trace_hardirqs_on [2024-10-31 22:05:37,699 INFO L138 BoogieDeclarations]: Found implementation of procedure trace_hardirqs_on [2024-10-31 22:05:37,699 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#0 [2024-10-31 22:05:37,699 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#1 [2024-10-31 22:05:37,701 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#2 [2024-10-31 22:05:37,702 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#3 [2024-10-31 22:05:37,703 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#4 [2024-10-31 22:05:37,703 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#5 [2024-10-31 22:05:37,703 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#6 [2024-10-31 22:05:37,703 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#7 [2024-10-31 22:05:37,704 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#8 [2024-10-31 22:05:37,704 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#9 [2024-10-31 22:05:37,704 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#10 [2024-10-31 22:05:37,704 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#11 [2024-10-31 22:05:37,704 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#12 [2024-10-31 22:05:37,705 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#13 [2024-10-31 22:05:37,706 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#14 [2024-10-31 22:05:37,706 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_unlock [2024-10-31 22:05:37,706 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_unlock [2024-10-31 22:05:37,706 INFO L130 BoogieDeclarations]: Found specification of procedure c2port_poll_out_ready [2024-10-31 22:05:37,706 INFO L138 BoogieDeclarations]: Found implementation of procedure c2port_poll_out_ready [2024-10-31 22:05:37,707 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2024-10-31 22:05:37,707 INFO L130 BoogieDeclarations]: Found specification of procedure arch_local_irq_enable [2024-10-31 22:05:37,707 INFO L138 BoogieDeclarations]: Found implementation of procedure arch_local_irq_enable [2024-10-31 22:05:37,707 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~int~TO~VOID [2024-10-31 22:05:37,707 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~int~TO~VOID [2024-10-31 22:05:37,708 INFO L130 BoogieDeclarations]: Found specification of procedure c2port_read_ar [2024-10-31 22:05:37,708 INFO L138 BoogieDeclarations]: Found implementation of procedure c2port_read_ar [2024-10-31 22:05:37,708 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-10-31 22:05:37,708 INFO L130 BoogieDeclarations]: Found specification of procedure __const_udelay [2024-10-31 22:05:37,708 INFO L138 BoogieDeclarations]: Found implementation of procedure __const_udelay [2024-10-31 22:05:37,709 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#0 [2024-10-31 22:05:37,710 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#1 [2024-10-31 22:05:37,710 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#2 [2024-10-31 22:05:37,710 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#3 [2024-10-31 22:05:37,710 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#4 [2024-10-31 22:05:37,710 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#5 [2024-10-31 22:05:37,711 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#6 [2024-10-31 22:05:37,711 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#7 [2024-10-31 22:05:37,711 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#8 [2024-10-31 22:05:37,711 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#9 [2024-10-31 22:05:37,711 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#10 [2024-10-31 22:05:37,711 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#11 [2024-10-31 22:05:37,711 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#12 [2024-10-31 22:05:37,712 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#13 [2024-10-31 22:05:37,712 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#14 [2024-10-31 22:05:37,713 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2024-10-31 22:05:37,713 INFO L130 BoogieDeclarations]: Found specification of procedure c2port_strobe_ck [2024-10-31 22:05:37,713 INFO L138 BoogieDeclarations]: Found implementation of procedure c2port_strobe_ck [2024-10-31 22:05:37,713 INFO L130 BoogieDeclarations]: Found specification of procedure trace_hardirqs_off [2024-10-31 22:05:37,714 INFO L138 BoogieDeclarations]: Found implementation of procedure trace_hardirqs_off [2024-10-31 22:05:37,714 INFO L130 BoogieDeclarations]: Found specification of procedure c2port_poll_in_busy [2024-10-31 22:05:37,714 INFO L138 BoogieDeclarations]: Found implementation of procedure c2port_poll_in_busy [2024-10-31 22:05:37,715 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~int [2024-10-31 22:05:37,715 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~int [2024-10-31 22:05:37,715 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#0 [2024-10-31 22:05:37,715 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#1 [2024-10-31 22:05:37,715 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#2 [2024-10-31 22:05:37,715 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#3 [2024-10-31 22:05:37,716 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#4 [2024-10-31 22:05:37,716 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#5 [2024-10-31 22:05:37,716 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#6 [2024-10-31 22:05:37,716 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#7 [2024-10-31 22:05:37,716 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#8 [2024-10-31 22:05:37,716 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#9 [2024-10-31 22:05:37,716 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#10 [2024-10-31 22:05:37,717 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#11 [2024-10-31 22:05:37,717 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#12 [2024-10-31 22:05:37,717 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#13 [2024-10-31 22:05:37,718 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#14 [2024-10-31 22:05:37,718 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_blast_assert [2024-10-31 22:05:37,718 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_blast_assert [2024-10-31 22:05:37,718 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-10-31 22:05:37,718 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#0 [2024-10-31 22:05:37,719 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#1 [2024-10-31 22:05:37,719 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#2 [2024-10-31 22:05:37,720 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#3 [2024-10-31 22:05:37,720 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#4 [2024-10-31 22:05:37,720 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#5 [2024-10-31 22:05:37,721 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#6 [2024-10-31 22:05:37,721 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#7 [2024-10-31 22:05:37,721 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#8 [2024-10-31 22:05:37,721 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#9 [2024-10-31 22:05:37,722 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#10 [2024-10-31 22:05:37,722 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#11 [2024-10-31 22:05:37,722 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#12 [2024-10-31 22:05:37,722 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#13 [2024-10-31 22:05:37,723 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#14 [2024-10-31 22:05:37,723 INFO L130 BoogieDeclarations]: Found specification of procedure printk [2024-10-31 22:05:37,723 INFO L138 BoogieDeclarations]: Found implementation of procedure printk [2024-10-31 22:05:37,723 INFO L130 BoogieDeclarations]: Found specification of procedure dev_err [2024-10-31 22:05:37,724 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_err [2024-10-31 22:05:37,724 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_lock_nested [2024-10-31 22:05:37,724 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_lock_nested [2024-10-31 22:05:37,725 INFO L130 BoogieDeclarations]: Found specification of procedure c2port_write_dr [2024-10-31 22:05:37,725 INFO L138 BoogieDeclarations]: Found implementation of procedure c2port_write_dr [2024-10-31 22:05:37,725 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-10-31 22:05:37,725 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#1 [2024-10-31 22:05:37,725 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#2 [2024-10-31 22:05:37,725 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#3 [2024-10-31 22:05:37,725 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#4 [2024-10-31 22:05:37,725 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#5 [2024-10-31 22:05:37,726 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#6 [2024-10-31 22:05:37,726 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#7 [2024-10-31 22:05:37,726 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#8 [2024-10-31 22:05:37,726 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#9 [2024-10-31 22:05:37,726 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#10 [2024-10-31 22:05:37,726 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#11 [2024-10-31 22:05:37,726 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#12 [2024-10-31 22:05:37,726 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#13 [2024-10-31 22:05:37,726 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#14 [2024-10-31 22:05:37,727 INFO L130 BoogieDeclarations]: Found specification of procedure c2port_exit [2024-10-31 22:05:37,727 INFO L138 BoogieDeclarations]: Found implementation of procedure c2port_exit [2024-10-31 22:05:37,727 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-10-31 22:05:37,729 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-10-31 22:05:37,729 INFO L130 BoogieDeclarations]: Found specification of procedure c2port_init [2024-10-31 22:05:37,729 INFO L138 BoogieDeclarations]: Found implementation of procedure c2port_init [2024-10-31 22:05:38,252 INFO L238 CfgBuilder]: Building ICFG [2024-10-31 22:05:38,255 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-10-31 22:05:38,820 WARN L781 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2024-10-31 22:05:46,023 INFO L735 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##16: assume !false; [2024-10-31 22:05:46,023 INFO L735 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##15: assume false; [2024-10-31 22:05:46,302 INFO L? ?]: Removed 272 outVars from TransFormulas that were not future-live. [2024-10-31 22:05:46,302 INFO L287 CfgBuilder]: Performing block encoding [2024-10-31 22:05:46,330 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-10-31 22:05:46,331 INFO L316 CfgBuilder]: Removed 19 assume(true) statements. [2024-10-31 22:05:46,332 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 31.10 10:05:46 BoogieIcfgContainer [2024-10-31 22:05:46,332 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-10-31 22:05:46,334 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-10-31 22:05:46,334 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-10-31 22:05:46,338 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-10-31 22:05:46,338 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 31.10 10:05:35" (1/3) ... [2024-10-31 22:05:46,339 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4ea704f8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 31.10 10:05:46, skipping insertion in model container [2024-10-31 22:05:46,339 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 10:05:37" (2/3) ... [2024-10-31 22:05:46,340 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4ea704f8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 31.10 10:05:46, skipping insertion in model container [2024-10-31 22:05:46,340 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 31.10 10:05:46" (3/3) ... [2024-10-31 22:05:46,342 INFO L112 eAbstractionObserver]: Analyzing ICFG usb_urb-drivers-misc-c2port-core.ko.cil.out.i [2024-10-31 22:05:46,360 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-10-31 22:05:46,360 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2024-10-31 22:05:46,470 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-10-31 22:05:46,476 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;@3a8c4cca, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-10-31 22:05:46,477 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-10-31 22:05:46,481 INFO L276 IsEmpty]: Start isEmpty. Operand has 416 states, 278 states have (on average 1.4136690647482015) internal successors, (393), 284 states have internal predecessors, (393), 113 states have call successors, (113), 23 states have call predecessors, (113), 23 states have return successors, (113), 113 states have call predecessors, (113), 113 states have call successors, (113) [2024-10-31 22:05:46,489 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2024-10-31 22:05:46,489 INFO L207 NwaCegarLoop]: Found error trace [2024-10-31 22:05:46,490 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-31 22:05:46,491 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ldv_blast_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_blast_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-31 22:05:46,496 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-31 22:05:46,497 INFO L85 PathProgramCache]: Analyzing trace with hash -1018619141, now seen corresponding path program 1 times [2024-10-31 22:05:46,507 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-31 22:05:46,508 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1227579131] [2024-10-31 22:05:46,508 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-31 22:05:46,508 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-31 22:05:52,040 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:05:54,240 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-10-31 22:05:54,277 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:05:54,784 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-31 22:05:54,787 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:05:54,924 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-10-31 22:05:54,930 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:05:55,154 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-31 22:05:55,156 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-31 22:05:55,156 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1227579131] [2024-10-31 22:05:55,157 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1227579131] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-31 22:05:55,158 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-31 22:05:55,158 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2024-10-31 22:05:55,160 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [765920664] [2024-10-31 22:05:55,162 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-31 22:05:55,168 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2024-10-31 22:05:55,169 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-31 22:05:55,199 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2024-10-31 22:05:55,200 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=42, Unknown=0, NotChecked=0, Total=56 [2024-10-31 22:05:55,207 INFO L87 Difference]: Start difference. First operand has 416 states, 278 states have (on average 1.4136690647482015) internal successors, (393), 284 states have internal predecessors, (393), 113 states have call successors, (113), 23 states have call predecessors, (113), 23 states have return successors, (113), 113 states have call predecessors, (113), 113 states have call successors, (113) Second operand has 8 states, 8 states have (on average 2.375) internal successors, (19), 5 states have internal predecessors, (19), 2 states have call successors, (4), 4 states have call predecessors, (4), 3 states have return successors, (3), 3 states have call predecessors, (3), 1 states have call successors, (3) [2024-10-31 22:05:59,301 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.08s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-10-31 22:06:03,677 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers []