./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-32_7a-drivers--usb--gadget--udc--gr_udc.ko-entry_point.cil.out.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 4fc63b2a Calling Ultimate with: /usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5f565231-2e63-4f1e-ad54-81978f49690a/bin/utaipan-verify-DbMuA5NWw2/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5f565231-2e63-4f1e-ad54-81978f49690a/bin/utaipan-verify-DbMuA5NWw2/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5f565231-2e63-4f1e-ad54-81978f49690a/bin/utaipan-verify-DbMuA5NWw2/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5f565231-2e63-4f1e-ad54-81978f49690a/bin/utaipan-verify-DbMuA5NWw2/config/TaipanReach.xml -i ../../sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-32_7a-drivers--usb--gadget--udc--gr_udc.ko-entry_point.cil.out.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5f565231-2e63-4f1e-ad54-81978f49690a/bin/utaipan-verify-DbMuA5NWw2/config/svcomp-Reach-64bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5f565231-2e63-4f1e-ad54-81978f49690a/bin/utaipan-verify-DbMuA5NWw2 --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 Taipan --witnessprinter.graph.data.architecture 64bit --witnessprinter.graph.data.programhash b7252c0ad173c04e7e814a901053190b8d4e6b601847082c3bd48f0637286d7b --- Real Ultimate output --- This is Ultimate 0.2.5-dev-4fc63b2 [2024-11-02 12:32:46,398 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-02 12:32:46,498 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5f565231-2e63-4f1e-ad54-81978f49690a/bin/utaipan-verify-DbMuA5NWw2/config/svcomp-Reach-64bit-Taipan_Default.epf [2024-11-02 12:32:46,507 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-02 12:32:46,508 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-02 12:32:46,543 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-02 12:32:46,545 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-02 12:32:46,546 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-02 12:32:46,547 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-02 12:32:46,548 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-02 12:32:46,549 INFO L153 SettingsManager]: * User list type=DISABLED [2024-11-02 12:32:46,549 INFO L151 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2024-11-02 12:32:46,550 INFO L153 SettingsManager]: * Explicit value domain=true [2024-11-02 12:32:46,552 INFO L153 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2024-11-02 12:32:46,552 INFO L153 SettingsManager]: * Octagon Domain=false [2024-11-02 12:32:46,553 INFO L153 SettingsManager]: * Abstract domain=CompoundDomain [2024-11-02 12:32:46,553 INFO L153 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2024-11-02 12:32:46,554 INFO L153 SettingsManager]: * Use the RCFG-of-the-future interface=true [2024-11-02 12:32:46,554 INFO L153 SettingsManager]: * Interval Domain=false [2024-11-02 12:32:46,555 INFO L151 SettingsManager]: Preferences of Sifa differ from their defaults: [2024-11-02 12:32:46,555 INFO L153 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2024-11-02 12:32:46,559 INFO L153 SettingsManager]: * Simplification Technique=POLY_PAC [2024-11-02 12:32:46,560 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-02 12:32:46,562 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-02 12:32:46,563 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-02 12:32:46,563 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-02 12:32:46,564 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-02 12:32:46,564 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-02 12:32:46,564 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-02 12:32:46,565 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-02 12:32:46,565 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-02 12:32:46,566 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-02 12:32:46,566 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-02 12:32:46,566 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-02 12:32:46,567 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-02 12:32:46,567 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-11-02 12:32:46,567 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-02 12:32:46,569 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-02 12:32:46,570 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-02 12:32:46,570 INFO L153 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2024-11-02 12:32:46,570 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-02 12:32:46,571 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-02 12:32:46,571 INFO L153 SettingsManager]: * Trace refinement exception blacklist=NONE [2024-11-02 12:32:46,572 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-02 12:32:46,572 INFO L153 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES 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_5f565231-2e63-4f1e-ad54-81978f49690a/bin/utaipan-verify-DbMuA5NWw2/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5f565231-2e63-4f1e-ad54-81978f49690a/bin/utaipan-verify-DbMuA5NWw2 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> b7252c0ad173c04e7e814a901053190b8d4e6b601847082c3bd48f0637286d7b [2024-11-02 12:32:46,895 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-02 12:32:46,929 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-02 12:32:46,932 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-02 12:32:46,934 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-02 12:32:46,934 INFO L274 PluginConnector]: CDTParser initialized [2024-11-02 12:32:46,936 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5f565231-2e63-4f1e-ad54-81978f49690a/bin/utaipan-verify-DbMuA5NWw2/../../sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-32_7a-drivers--usb--gadget--udc--gr_udc.ko-entry_point.cil.out.i Unable to find full path for "g++" [2024-11-02 12:32:49,126 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-02 12:32:49,747 INFO L384 CDTParser]: Found 1 translation units. [2024-11-02 12:32:49,748 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5f565231-2e63-4f1e-ad54-81978f49690a/sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-32_7a-drivers--usb--gadget--udc--gr_udc.ko-entry_point.cil.out.i [2024-11-02 12:32:49,788 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5f565231-2e63-4f1e-ad54-81978f49690a/bin/utaipan-verify-DbMuA5NWw2/data/48ef03249/f1726e80b91d48f09532de755aefa8ec/FLAG732a1808c [2024-11-02 12:32:49,810 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5f565231-2e63-4f1e-ad54-81978f49690a/bin/utaipan-verify-DbMuA5NWw2/data/48ef03249/f1726e80b91d48f09532de755aefa8ec [2024-11-02 12:32:49,815 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-02 12:32:49,819 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-02 12:32:49,821 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-02 12:32:49,821 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-02 12:32:49,828 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-02 12:32:49,829 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.11 12:32:49" (1/1) ... [2024-11-02 12:32:49,832 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4e09ea6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 12:32:49, skipping insertion in model container [2024-11-02 12:32:49,832 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.11 12:32:49" (1/1) ... [2024-11-02 12:32:49,981 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-02 12:32:51,634 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_5f565231-2e63-4f1e-ad54-81978f49690a/sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-32_7a-drivers--usb--gadget--udc--gr_udc.ko-entry_point.cil.out.i[214499,214512] [2024-11-02 12:32:51,762 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-02 12:32:51,862 INFO L200 MainTranslator]: Completed pre-run [2024-11-02 12:32:52,012 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("1:\tud2\n.pushsection __bug_table,\"a\"\n2:\t.long 1b - 2b, %c0 - 2b\n\t.word %c1, 0\n\t.org 2b+%c2\n.popsection": : "i" ((char *)"/work/ldvuser/mutilin/launch/work/current--X--drivers/--X--defaultlinux-4.2-rc1.tar.xz--X--32_7a--X--cpachecker/linux-4.2-rc1.tar.xz/csd_deg_dscv/8654/dscv_tempdir/dscv/ri/32_7a/drivers/usb/gadget/udc/gr_udc.c"), "i" (398), "i" (12UL)); [4244-4245] [2024-11-02 12:32:52,015 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("sfence": : : "memory"); [4254] [2024-11-02 12:32:52,045 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("sfence": : : "memory"); [4621] [2024-11-02 12:32:52,071 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("sfence": : : "memory"); [5086] [2024-11-02 12:32:52,230 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_5f565231-2e63-4f1e-ad54-81978f49690a/sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-32_7a-drivers--usb--gadget--udc--gr_udc.ko-entry_point.cil.out.i[214499,214512] [2024-11-02 12:32:52,245 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-02 12:32:52,370 INFO L204 MainTranslator]: Completed translation [2024-11-02 12:32:52,371 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 12:32:52 WrapperNode [2024-11-02 12:32:52,371 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-02 12:32:52,373 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-02 12:32:52,373 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-02 12:32:52,373 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-02 12:32:52,381 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 12:32:52" (1/1) ... [2024-11-02 12:32:52,483 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 12:32:52" (1/1) ... [2024-11-02 12:32:52,705 INFO L138 Inliner]: procedures = 259, calls = 2597, calls flagged for inlining = 87, calls inlined = 83, statements flattened = 6161 [2024-11-02 12:32:52,705 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-02 12:32:52,707 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-02 12:32:52,707 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-02 12:32:52,707 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-02 12:32:52,718 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 12:32:52" (1/1) ... [2024-11-02 12:32:52,718 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 12:32:52" (1/1) ... [2024-11-02 12:32:52,770 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 12:32:52" (1/1) ... [2024-11-02 12:32:52,771 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 12:32:52" (1/1) ... [2024-11-02 12:32:52,994 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 12:32:52" (1/1) ... [2024-11-02 12:32:53,082 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 12:32:52" (1/1) ... [2024-11-02 12:32:53,106 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 12:32:52" (1/1) ... [2024-11-02 12:32:53,138 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 12:32:52" (1/1) ... [2024-11-02 12:32:53,191 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-02 12:32:53,192 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-02 12:32:53,193 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-02 12:32:53,193 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-02 12:32:53,194 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 12:32:52" (1/1) ... [2024-11-02 12:32:53,200 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-11-02 12:32:53,212 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5f565231-2e63-4f1e-ad54-81978f49690a/bin/utaipan-verify-DbMuA5NWw2/z3 [2024-11-02 12:32:53,230 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5f565231-2e63-4f1e-ad54-81978f49690a/bin/utaipan-verify-DbMuA5NWw2/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2024-11-02 12:32:53,233 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5f565231-2e63-4f1e-ad54-81978f49690a/bin/utaipan-verify-DbMuA5NWw2/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2024-11-02 12:32:53,261 INFO L130 BoogieDeclarations]: Found specification of procedure gr_free_dma_desc_chain [2024-11-02 12:32:53,262 INFO L138 BoogieDeclarations]: Found implementation of procedure gr_free_dma_desc_chain [2024-11-02 12:32:53,263 INFO L130 BoogieDeclarations]: Found specification of procedure gr_finish_request [2024-11-02 12:32:53,263 INFO L138 BoogieDeclarations]: Found implementation of procedure gr_finish_request [2024-11-02 12:32:53,263 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2024-11-02 12:32:53,263 INFO L130 BoogieDeclarations]: Found specification of procedure gr_queue [2024-11-02 12:32:53,263 INFO L138 BoogieDeclarations]: Found implementation of procedure gr_queue [2024-11-02 12:32:53,263 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2024-11-02 12:32:53,263 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2024-11-02 12:32:53,263 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2024-11-02 12:32:53,264 INFO L130 BoogieDeclarations]: Found specification of procedure seq_puts [2024-11-02 12:32:53,264 INFO L138 BoogieDeclarations]: Found implementation of procedure seq_puts [2024-11-02 12:32:53,264 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.meminit [2024-11-02 12:32:53,264 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.meminit [2024-11-02 12:32:53,264 INFO L130 BoogieDeclarations]: Found specification of procedure gr_ep_halt_wedge [2024-11-02 12:32:53,264 INFO L138 BoogieDeclarations]: Found implementation of procedure gr_ep_halt_wedge [2024-11-02 12:32:53,265 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2024-11-02 12:32:53,265 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2024-11-02 12:32:53,265 INFO L130 BoogieDeclarations]: Found specification of procedure usb_endpoint_maxp [2024-11-02 12:32:53,265 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_endpoint_maxp [2024-11-02 12:32:53,265 INFO L130 BoogieDeclarations]: Found specification of procedure usb_speed_string [2024-11-02 12:32:53,265 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_speed_string [2024-11-02 12:32:53,266 INFO L130 BoogieDeclarations]: Found specification of procedure gr_control_stall [2024-11-02 12:32:53,266 INFO L138 BoogieDeclarations]: Found implementation of procedure gr_control_stall [2024-11-02 12:32:53,266 INFO L130 BoogieDeclarations]: Found specification of procedure seq_printf [2024-11-02 12:32:53,266 INFO L138 BoogieDeclarations]: Found implementation of procedure seq_printf [2024-11-02 12:32:53,266 INFO L130 BoogieDeclarations]: Found specification of procedure gr_stop_activity [2024-11-02 12:32:53,266 INFO L138 BoogieDeclarations]: Found implementation of procedure gr_stop_activity [2024-11-02 12:32:53,266 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_error [2024-11-02 12:32:53,266 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_error [2024-11-02 12:32:53,266 INFO L130 BoogieDeclarations]: Found specification of procedure gr_ep_enable [2024-11-02 12:32:53,267 INFO L138 BoogieDeclarations]: Found implementation of procedure gr_ep_enable [2024-11-02 12:32:53,268 INFO L130 BoogieDeclarations]: Found specification of procedure gr_set_halt_wedge [2024-11-02 12:32:53,268 INFO L138 BoogieDeclarations]: Found implementation of procedure gr_set_halt_wedge [2024-11-02 12:32:53,269 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2024-11-02 12:32:53,269 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2024-11-02 12:32:53,269 INFO L130 BoogieDeclarations]: Found specification of procedure activate_suitable_irq_1 [2024-11-02 12:32:53,269 INFO L138 BoogieDeclarations]: Found implementation of procedure activate_suitable_irq_1 [2024-11-02 12:32:53,269 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-11-02 12:32:53,269 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-11-02 12:32:53,269 INFO L130 BoogieDeclarations]: Found specification of procedure spinlock_check [2024-11-02 12:32:53,269 INFO L138 BoogieDeclarations]: Found implementation of procedure spinlock_check [2024-11-02 12:32:53,269 INFO L130 BoogieDeclarations]: Found specification of procedure gr_queue_int [2024-11-02 12:32:53,270 INFO L138 BoogieDeclarations]: Found implementation of procedure gr_queue_int [2024-11-02 12:32:53,270 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2024-11-02 12:32:53,270 INFO L130 BoogieDeclarations]: Found specification of procedure INIT_LIST_HEAD [2024-11-02 12:32:53,270 INFO L138 BoogieDeclarations]: Found implementation of procedure INIT_LIST_HEAD [2024-11-02 12:32:53,270 INFO L130 BoogieDeclarations]: Found specification of procedure gr_dequeue [2024-11-02 12:32:53,270 INFO L138 BoogieDeclarations]: Found implementation of procedure gr_dequeue [2024-11-02 12:32:53,270 INFO L130 BoogieDeclarations]: Found specification of procedure gr_ep_remove [2024-11-02 12:32:53,270 INFO L138 BoogieDeclarations]: Found implementation of procedure gr_ep_remove [2024-11-02 12:32:53,270 INFO L130 BoogieDeclarations]: Found specification of procedure ioread32be [2024-11-02 12:32:53,270 INFO L138 BoogieDeclarations]: Found implementation of procedure ioread32be [2024-11-02 12:32:53,271 INFO L130 BoogieDeclarations]: Found specification of procedure platform_get_irq [2024-11-02 12:32:53,271 INFO L138 BoogieDeclarations]: Found implementation of procedure platform_get_irq [2024-11-02 12:32:53,271 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2024-11-02 12:32:53,271 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_is_err [2024-11-02 12:32:53,271 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_is_err [2024-11-02 12:32:53,271 INFO L130 BoogieDeclarations]: Found specification of procedure gr_ep0_setup [2024-11-02 12:32:53,271 INFO L138 BoogieDeclarations]: Found implementation of procedure gr_ep0_setup [2024-11-02 12:32:53,271 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock_irqrestore [2024-11-02 12:32:53,271 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock_irqrestore [2024-11-02 12:32:53,271 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-11-02 12:32:53,271 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2024-11-02 12:32:53,272 INFO L130 BoogieDeclarations]: Found specification of procedure gr_alloc_request [2024-11-02 12:32:53,272 INFO L138 BoogieDeclarations]: Found implementation of procedure gr_alloc_request [2024-11-02 12:32:53,272 INFO L130 BoogieDeclarations]: Found specification of procedure gr_wakeup [2024-11-02 12:32:53,272 INFO L138 BoogieDeclarations]: Found implementation of procedure gr_wakeup [2024-11-02 12:32:53,272 INFO L130 BoogieDeclarations]: Found specification of procedure debugfs_remove [2024-11-02 12:32:53,273 INFO L138 BoogieDeclarations]: Found implementation of procedure debugfs_remove [2024-11-02 12:32:53,273 INFO L130 BoogieDeclarations]: Found specification of procedure gr_ep_reset [2024-11-02 12:32:53,273 INFO L138 BoogieDeclarations]: Found implementation of procedure gr_ep_reset [2024-11-02 12:32:53,273 INFO L130 BoogieDeclarations]: Found specification of procedure dev_err [2024-11-02 12:32:53,273 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_err [2024-11-02 12:32:53,273 INFO L130 BoogieDeclarations]: Found specification of procedure gr_udc_stop [2024-11-02 12:32:53,273 INFO L138 BoogieDeclarations]: Found implementation of procedure gr_udc_stop [2024-11-02 12:32:53,274 INFO L130 BoogieDeclarations]: Found specification of procedure _raw_spin_lock_irqsave [2024-11-02 12:32:53,274 INFO L138 BoogieDeclarations]: Found implementation of procedure _raw_spin_lock_irqsave [2024-11-02 12:32:53,274 INFO L130 BoogieDeclarations]: Found specification of procedure gr_ep_nuke [2024-11-02 12:32:53,274 INFO L138 BoogieDeclarations]: Found implementation of procedure gr_ep_nuke [2024-11-02 12:32:53,274 INFO L130 BoogieDeclarations]: Found specification of procedure gr_fifo_flush [2024-11-02 12:32:53,274 INFO L138 BoogieDeclarations]: Found implementation of procedure gr_fifo_flush [2024-11-02 12:32:53,275 INFO L130 BoogieDeclarations]: Found specification of procedure gr_ep_disable [2024-11-02 12:32:53,275 INFO L138 BoogieDeclarations]: Found implementation of procedure gr_ep_disable [2024-11-02 12:32:53,275 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock [2024-11-02 12:32:53,275 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock [2024-11-02 12:32:53,275 INFO L130 BoogieDeclarations]: Found specification of procedure gr_ep0out_requeue [2024-11-02 12:32:53,275 INFO L138 BoogieDeclarations]: Found implementation of procedure gr_ep0out_requeue [2024-11-02 12:32:53,275 INFO L130 BoogieDeclarations]: Found specification of procedure gr_vbus_connected [2024-11-02 12:32:53,276 INFO L138 BoogieDeclarations]: Found implementation of procedure gr_vbus_connected [2024-11-02 12:32:53,276 INFO L130 BoogieDeclarations]: Found specification of procedure gr_enable_vbus_detect [2024-11-02 12:32:53,276 INFO L138 BoogieDeclarations]: Found implementation of procedure gr_enable_vbus_detect [2024-11-02 12:32:53,276 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int [2024-11-02 12:32:53,276 INFO L130 BoogieDeclarations]: Found specification of procedure list_empty [2024-11-02 12:32:53,276 INFO L138 BoogieDeclarations]: Found implementation of procedure list_empty [2024-11-02 12:32:53,276 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2024-11-02 12:32:53,276 INFO L130 BoogieDeclarations]: Found specification of procedure gr_irq_handler [2024-11-02 12:32:53,276 INFO L138 BoogieDeclarations]: Found implementation of procedure gr_irq_handler [2024-11-02 12:32:53,276 INFO L130 BoogieDeclarations]: Found specification of procedure _dev_info [2024-11-02 12:32:53,277 INFO L138 BoogieDeclarations]: Found implementation of procedure _dev_info [2024-11-02 12:32:53,277 INFO L130 BoogieDeclarations]: Found specification of procedure gr_set_wedge [2024-11-02 12:32:53,277 INFO L138 BoogieDeclarations]: Found implementation of procedure gr_set_wedge [2024-11-02 12:32:53,278 INFO L130 BoogieDeclarations]: Found specification of procedure devm_request_threaded_irq [2024-11-02 12:32:53,278 INFO L138 BoogieDeclarations]: Found implementation of procedure devm_request_threaded_irq [2024-11-02 12:32:53,278 INFO L130 BoogieDeclarations]: Found specification of procedure gr_dfs_open [2024-11-02 12:32:53,278 INFO L138 BoogieDeclarations]: Found implementation of procedure gr_dfs_open [2024-11-02 12:32:53,278 INFO L130 BoogieDeclarations]: Found specification of procedure iowrite32be [2024-11-02 12:32:53,278 INFO L138 BoogieDeclarations]: Found implementation of procedure iowrite32be [2024-11-02 12:32:53,278 INFO L130 BoogieDeclarations]: Found specification of procedure gr_ep0_respond_empty [2024-11-02 12:32:53,279 INFO L138 BoogieDeclarations]: Found implementation of procedure gr_ep0_respond_empty [2024-11-02 12:32:53,279 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2024-11-02 12:32:53,279 INFO L130 BoogieDeclarations]: Found specification of procedure gr_irq [2024-11-02 12:32:53,279 INFO L138 BoogieDeclarations]: Found implementation of procedure gr_irq [2024-11-02 12:32:53,279 INFO L130 BoogieDeclarations]: Found specification of procedure gr_ep_init [2024-11-02 12:32:53,279 INFO L138 BoogieDeclarations]: Found implementation of procedure gr_ep_init [2024-11-02 12:32:53,279 INFO L130 BoogieDeclarations]: Found specification of procedure reg_check_1 [2024-11-02 12:32:53,279 INFO L138 BoogieDeclarations]: Found implementation of procedure reg_check_1 [2024-11-02 12:32:53,279 INFO L130 BoogieDeclarations]: Found specification of procedure list_add_tail [2024-11-02 12:32:53,279 INFO L138 BoogieDeclarations]: Found implementation of procedure list_add_tail [2024-11-02 12:32:53,279 INFO L130 BoogieDeclarations]: Found specification of procedure gr_ep0_respond [2024-11-02 12:32:53,280 INFO L138 BoogieDeclarations]: Found implementation of procedure gr_ep0_respond [2024-11-02 12:32:53,280 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2024-11-02 12:32:53,280 INFO L130 BoogieDeclarations]: Found specification of procedure __dynamic_dev_dbg [2024-11-02 12:32:53,280 INFO L138 BoogieDeclarations]: Found implementation of procedure __dynamic_dev_dbg [2024-11-02 12:32:53,280 INFO L130 BoogieDeclarations]: Found specification of procedure single_release [2024-11-02 12:32:53,280 INFO L138 BoogieDeclarations]: Found implementation of procedure single_release [2024-11-02 12:32:53,280 INFO L130 BoogieDeclarations]: Found specification of procedure gr_disable_interrupts_and_pullup [2024-11-02 12:32:53,280 INFO L138 BoogieDeclarations]: Found implementation of procedure gr_disable_interrupts_and_pullup [2024-11-02 12:32:53,280 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2024-11-02 12:32:53,280 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2024-11-02 12:32:53,281 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_init_zalloc [2024-11-02 12:32:53,281 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_init_zalloc [2024-11-02 12:32:53,281 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2024-11-02 12:32:53,282 INFO L130 BoogieDeclarations]: Found specification of procedure gr_request_irq [2024-11-02 12:32:53,282 INFO L138 BoogieDeclarations]: Found implementation of procedure gr_request_irq [2024-11-02 12:32:53,282 INFO L130 BoogieDeclarations]: Found specification of procedure gr_add_dma_desc [2024-11-02 12:32:53,282 INFO L138 BoogieDeclarations]: Found implementation of procedure gr_add_dma_desc [2024-11-02 12:32:53,282 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_memset [2024-11-02 12:32:53,282 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_memset [2024-11-02 12:32:53,282 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-02 12:32:53,283 INFO L130 BoogieDeclarations]: Found specification of procedure usb_gadget_set_state [2024-11-02 12:32:53,283 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_gadget_set_state [2024-11-02 12:32:53,283 INFO L130 BoogieDeclarations]: Found specification of procedure gr_abort_dma [2024-11-02 12:32:53,284 INFO L138 BoogieDeclarations]: Found implementation of procedure gr_abort_dma [2024-11-02 12:32:53,285 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2024-11-02 12:32:53,285 INFO L130 BoogieDeclarations]: Found specification of procedure gr_ep0state_string [2024-11-02 12:32:53,285 INFO L138 BoogieDeclarations]: Found implementation of procedure gr_ep0state_string [2024-11-02 12:32:53,285 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_irq_1 [2024-11-02 12:32:53,285 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_irq_1 [2024-11-02 12:32:53,285 INFO L130 BoogieDeclarations]: Found specification of procedure gr_fifo_status [2024-11-02 12:32:53,285 INFO L138 BoogieDeclarations]: Found implementation of procedure gr_fifo_status [2024-11-02 12:32:53,286 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~VOID [2024-11-02 12:32:53,286 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~VOID [2024-11-02 12:32:53,286 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_irq_2 [2024-11-02 12:32:53,286 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_irq_2 [2024-11-02 12:32:53,286 INFO L130 BoogieDeclarations]: Found specification of procedure gr_set_address [2024-11-02 12:32:53,286 INFO L138 BoogieDeclarations]: Found implementation of procedure gr_set_address [2024-11-02 12:32:53,286 INFO L130 BoogieDeclarations]: Found specification of procedure gr_dbgprint_request [2024-11-02 12:32:53,286 INFO L138 BoogieDeclarations]: Found implementation of procedure gr_dbgprint_request [2024-11-02 12:32:53,286 INFO L130 BoogieDeclarations]: Found specification of procedure gr_free_request [2024-11-02 12:32:53,286 INFO L138 BoogieDeclarations]: Found implementation of procedure gr_free_request [2024-11-02 12:32:53,287 INFO L130 BoogieDeclarations]: Found specification of procedure gr_udc_start [2024-11-02 12:32:53,289 INFO L138 BoogieDeclarations]: Found implementation of procedure gr_udc_start [2024-11-02 12:32:53,289 INFO L130 BoogieDeclarations]: Found specification of procedure gr_set_ep0state [2024-11-02 12:32:53,289 INFO L138 BoogieDeclarations]: Found implementation of procedure gr_set_ep0state [2024-11-02 12:32:53,289 INFO L130 BoogieDeclarations]: Found specification of procedure platform_set_drvdata [2024-11-02 12:32:53,289 INFO L138 BoogieDeclarations]: Found implementation of procedure platform_set_drvdata [2024-11-02 12:32:53,289 INFO L130 BoogieDeclarations]: Found specification of procedure gr_dma_advance [2024-11-02 12:32:53,289 INFO L138 BoogieDeclarations]: Found implementation of procedure gr_dma_advance [2024-11-02 12:32:53,290 INFO L130 BoogieDeclarations]: Found specification of procedure devm_kzalloc [2024-11-02 12:32:53,290 INFO L138 BoogieDeclarations]: Found implementation of procedure devm_kzalloc [2024-11-02 12:32:53,290 INFO L130 BoogieDeclarations]: Found specification of procedure of_property_read_u32_index [2024-11-02 12:32:53,290 INFO L138 BoogieDeclarations]: Found implementation of procedure of_property_read_u32_index [2024-11-02 12:32:53,291 INFO L130 BoogieDeclarations]: Found specification of procedure gr_get_frame [2024-11-02 12:32:53,291 INFO L138 BoogieDeclarations]: Found implementation of procedure gr_get_frame [2024-11-02 12:32:53,291 INFO L130 BoogieDeclarations]: Found specification of procedure gr_probe [2024-11-02 12:32:53,291 INFO L138 BoogieDeclarations]: Found implementation of procedure gr_probe [2024-11-02 12:32:53,291 INFO L130 BoogieDeclarations]: Found specification of procedure usb_ep_set_maxpacket_limit [2024-11-02 12:32:53,291 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_ep_set_maxpacket_limit [2024-11-02 12:32:53,291 INFO L130 BoogieDeclarations]: Found specification of procedure gr_remove [2024-11-02 12:32:53,291 INFO L138 BoogieDeclarations]: Found implementation of procedure gr_remove [2024-11-02 12:32:53,291 INFO L130 BoogieDeclarations]: Found specification of procedure gr_ep0_respond_u16 [2024-11-02 12:32:53,292 INFO L138 BoogieDeclarations]: Found implementation of procedure gr_ep0_respond_u16 [2024-11-02 12:32:53,292 INFO L130 BoogieDeclarations]: Found specification of procedure spin_lock [2024-11-02 12:32:53,292 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_lock [2024-11-02 12:32:53,292 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~$Pointer$~TO~int [2024-11-02 12:32:53,292 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~$Pointer$~TO~int [2024-11-02 12:32:53,292 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-11-02 12:32:53,292 INFO L130 BoogieDeclarations]: Found specification of procedure gr_start_dma [2024-11-02 12:32:53,293 INFO L138 BoogieDeclarations]: Found implementation of procedure gr_start_dma [2024-11-02 12:32:53,293 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-02 12:32:53,294 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-02 12:32:53,295 INFO L130 BoogieDeclarations]: Found specification of procedure IS_ERR [2024-11-02 12:32:53,295 INFO L138 BoogieDeclarations]: Found implementation of procedure IS_ERR [2024-11-02 12:32:54,061 INFO L238 CfgBuilder]: Building ICFG [2024-11-02 12:32:54,065 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-02 12:32:55,736 INFO L735 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stopFINAL: assume true; [2024-11-02 12:33:07,910 INFO L? ?]: Removed 1887 outVars from TransFormulas that were not future-live. [2024-11-02 12:33:07,910 INFO L287 CfgBuilder]: Performing block encoding [2024-11-02 12:33:10,731 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-02 12:33:10,734 INFO L316 CfgBuilder]: Removed 0 assume(true) statements. [2024-11-02 12:33:10,735 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.11 12:33:10 BoogieIcfgContainer [2024-11-02 12:33:10,735 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-02 12:33:10,738 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-02 12:33:10,738 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-02 12:33:10,743 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-02 12:33:10,743 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 02.11 12:32:49" (1/3) ... [2024-11-02 12:33:10,746 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6e47eafe and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.11 12:33:10, skipping insertion in model container [2024-11-02 12:33:10,746 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 12:32:52" (2/3) ... [2024-11-02 12:33:10,746 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6e47eafe and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.11 12:33:10, skipping insertion in model container [2024-11-02 12:33:10,747 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.11 12:33:10" (3/3) ... [2024-11-02 12:33:10,749 INFO L112 eAbstractionObserver]: Analyzing ICFG linux-4.2-rc1.tar.xz-32_7a-drivers--usb--gadget--udc--gr_udc.ko-entry_point.cil.out.i [2024-11-02 12:33:10,772 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-02 12:33:10,772 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2024-11-02 12:33:10,922 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-02 12:33:10,930 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=FINITE_AUTOMATA, 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;@7b6bee3c, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-02 12:33:10,930 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-11-02 12:33:10,944 INFO L276 IsEmpty]: Start isEmpty. Operand has 1354 states, 846 states have (on average 1.3534278959810875) internal successors, (1145), 892 states have internal predecessors, (1145), 418 states have call successors, (418), 89 states have call predecessors, (418), 88 states have return successors, (408), 396 states have call predecessors, (408), 408 states have call successors, (408) [2024-11-02 12:33:10,967 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 125 [2024-11-02 12:33:10,967 INFO L207 NwaCegarLoop]: Found error trace [2024-11-02 12:33:10,968 INFO L215 NwaCegarLoop]: trace histogram [7, 7, 7, 7, 7, 7, 4, 4, 4, 4, 4, 4, 4, 4, 4, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-02 12:33:10,969 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-02 12:33:10,975 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-02 12:33:10,975 INFO L85 PathProgramCache]: Analyzing trace with hash 1763969952, now seen corresponding path program 1 times [2024-11-02 12:33:10,988 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2024-11-02 12:33:10,988 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1052871963] [2024-11-02 12:33:10,989 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-02 12:33:10,990 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms