./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-media-rc-nuvoton-cir.cil.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_84d95637-5913-47ae-ac8f-21608482ecda/bin/utaipan-verify-DbMuA5NWw2/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_84d95637-5913-47ae-ac8f-21608482ecda/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_84d95637-5913-47ae-ac8f-21608482ecda/bin/utaipan-verify-DbMuA5NWw2/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_84d95637-5913-47ae-ac8f-21608482ecda/bin/utaipan-verify-DbMuA5NWw2/config/TaipanReach.xml -i ../../sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-media-rc-nuvoton-cir.cil.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_84d95637-5913-47ae-ac8f-21608482ecda/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_84d95637-5913-47ae-ac8f-21608482ecda/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 4bd03bf538c8a1f05055d45724b67645b210b4f99e6ffddc4b441645e05ec36a --- Real Ultimate output --- This is Ultimate 0.2.5-dev-4fc63b2 [2024-11-02 11:25:47,476 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-02 11:25:47,583 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_84d95637-5913-47ae-ac8f-21608482ecda/bin/utaipan-verify-DbMuA5NWw2/config/svcomp-Reach-64bit-Taipan_Default.epf [2024-11-02 11:25:47,593 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-02 11:25:47,593 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-02 11:25:47,619 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-02 11:25:47,620 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-02 11:25:47,620 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-02 11:25:47,621 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-02 11:25:47,621 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-02 11:25:47,622 INFO L153 SettingsManager]: * User list type=DISABLED [2024-11-02 11:25:47,622 INFO L151 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2024-11-02 11:25:47,622 INFO L153 SettingsManager]: * Explicit value domain=true [2024-11-02 11:25:47,623 INFO L153 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2024-11-02 11:25:47,623 INFO L153 SettingsManager]: * Octagon Domain=false [2024-11-02 11:25:47,625 INFO L153 SettingsManager]: * Abstract domain=CompoundDomain [2024-11-02 11:25:47,627 INFO L153 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2024-11-02 11:25:47,627 INFO L153 SettingsManager]: * Use the RCFG-of-the-future interface=true [2024-11-02 11:25:47,628 INFO L153 SettingsManager]: * Interval Domain=false [2024-11-02 11:25:47,632 INFO L151 SettingsManager]: Preferences of Sifa differ from their defaults: [2024-11-02 11:25:47,633 INFO L153 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2024-11-02 11:25:47,634 INFO L153 SettingsManager]: * Simplification Technique=POLY_PAC [2024-11-02 11:25:47,634 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-02 11:25:47,637 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-02 11:25:47,637 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-02 11:25:47,638 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-02 11:25:47,638 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-02 11:25:47,638 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-02 11:25:47,638 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-02 11:25:47,639 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-02 11:25:47,639 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-02 11:25:47,639 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-02 11:25:47,640 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-02 11:25:47,640 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-02 11:25:47,640 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-02 11:25:47,641 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-11-02 11:25:47,642 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-02 11:25:47,642 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-02 11:25:47,642 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-02 11:25:47,643 INFO L153 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2024-11-02 11:25:47,643 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-02 11:25:47,644 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-02 11:25:47,644 INFO L153 SettingsManager]: * Trace refinement exception blacklist=NONE [2024-11-02 11:25:47,644 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-02 11:25:47,644 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_84d95637-5913-47ae-ac8f-21608482ecda/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_84d95637-5913-47ae-ac8f-21608482ecda/bin/utaipan-verify-DbMuA5NWw2 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 4bd03bf538c8a1f05055d45724b67645b210b4f99e6ffddc4b441645e05ec36a [2024-11-02 11:25:47,971 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-02 11:25:47,996 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-02 11:25:48,001 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-02 11:25:48,002 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-02 11:25:48,003 INFO L274 PluginConnector]: CDTParser initialized [2024-11-02 11:25:48,004 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_84d95637-5913-47ae-ac8f-21608482ecda/bin/utaipan-verify-DbMuA5NWw2/../../sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-media-rc-nuvoton-cir.cil.i Unable to find full path for "g++" [2024-11-02 11:25:50,299 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-02 11:25:50,897 INFO L384 CDTParser]: Found 1 translation units. [2024-11-02 11:25:50,898 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_84d95637-5913-47ae-ac8f-21608482ecda/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-media-rc-nuvoton-cir.cil.i [2024-11-02 11:25:50,949 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_84d95637-5913-47ae-ac8f-21608482ecda/bin/utaipan-verify-DbMuA5NWw2/data/deec0886b/1bb9d6452a5b44608ed079a2e95d16f3/FLAG7f901f4f9 [2024-11-02 11:25:51,391 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_84d95637-5913-47ae-ac8f-21608482ecda/bin/utaipan-verify-DbMuA5NWw2/data/deec0886b/1bb9d6452a5b44608ed079a2e95d16f3 [2024-11-02 11:25:51,394 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-02 11:25:51,399 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-02 11:25:51,401 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-02 11:25:51,401 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-02 11:25:51,408 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-02 11:25:51,409 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.11 11:25:51" (1/1) ... [2024-11-02 11:25:51,413 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@53834a40 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 11:25:51, skipping insertion in model container [2024-11-02 11:25:51,413 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.11 11:25:51" (1/1) ... [2024-11-02 11:25:51,548 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-02 11:25:53,453 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_84d95637-5913-47ae-ac8f-21608482ecda/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-media-rc-nuvoton-cir.cil.i[196376,196389] [2024-11-02 11:25:53,459 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_84d95637-5913-47ae-ac8f-21608482ecda/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-media-rc-nuvoton-cir.cil.i[196545,196558] [2024-11-02 11:25:53,460 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_84d95637-5913-47ae-ac8f-21608482ecda/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-media-rc-nuvoton-cir.cil.i[196712,196725] [2024-11-02 11:25:53,461 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_84d95637-5913-47ae-ac8f-21608482ecda/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-media-rc-nuvoton-cir.cil.i[196880,196893] [2024-11-02 11:25:53,474 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-02 11:25:53,508 INFO L200 MainTranslator]: Completed pre-run [2024-11-02 11:25:53,626 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("outb %b0, %w1": : "a" (value), "Nd" (port)); [3610] [2024-11-02 11:25:53,630 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("inb %w1, %b0": "=a" (value): "Nd" (port)); [3618] [2024-11-02 11:25:53,838 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_84d95637-5913-47ae-ac8f-21608482ecda/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-media-rc-nuvoton-cir.cil.i[196376,196389] [2024-11-02 11:25:53,838 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_84d95637-5913-47ae-ac8f-21608482ecda/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-media-rc-nuvoton-cir.cil.i[196545,196558] [2024-11-02 11:25:53,839 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_84d95637-5913-47ae-ac8f-21608482ecda/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-media-rc-nuvoton-cir.cil.i[196712,196725] [2024-11-02 11:25:53,840 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_84d95637-5913-47ae-ac8f-21608482ecda/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-media-rc-nuvoton-cir.cil.i[196880,196893] [2024-11-02 11:25:53,843 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-02 11:25:53,935 INFO L204 MainTranslator]: Completed translation [2024-11-02 11:25:53,935 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 11:25:53 WrapperNode [2024-11-02 11:25:53,936 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-02 11:25:53,937 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-02 11:25:53,938 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-02 11:25:53,938 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-02 11:25:53,949 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 11:25:53" (1/1) ... [2024-11-02 11:25:54,041 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 11:25:53" (1/1) ... [2024-11-02 11:25:54,222 INFO L138 Inliner]: procedures = 288, calls = 1182, calls flagged for inlining = 114, calls inlined = 94, statements flattened = 2803 [2024-11-02 11:25:54,222 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-02 11:25:54,223 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-02 11:25:54,223 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-02 11:25:54,223 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-02 11:25:54,235 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 11:25:53" (1/1) ... [2024-11-02 11:25:54,235 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 11:25:53" (1/1) ... [2024-11-02 11:25:54,298 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 11:25:53" (1/1) ... [2024-11-02 11:25:54,298 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 11:25:53" (1/1) ... [2024-11-02 11:25:54,379 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 11:25:53" (1/1) ... [2024-11-02 11:25:54,400 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 11:25:53" (1/1) ... [2024-11-02 11:25:54,415 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 11:25:53" (1/1) ... [2024-11-02 11:25:54,436 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 11:25:53" (1/1) ... [2024-11-02 11:25:54,474 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-02 11:25:54,479 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-02 11:25:54,480 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-02 11:25:54,481 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-02 11:25:54,482 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 11:25:53" (1/1) ... [2024-11-02 11:25:54,489 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-11-02 11:25:54,503 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_84d95637-5913-47ae-ac8f-21608482ecda/bin/utaipan-verify-DbMuA5NWw2/z3 [2024-11-02 11:25:54,523 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_84d95637-5913-47ae-ac8f-21608482ecda/bin/utaipan-verify-DbMuA5NWw2/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2024-11-02 11:25:54,530 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_84d95637-5913-47ae-ac8f-21608482ecda/bin/utaipan-verify-DbMuA5NWw2/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2024-11-02 11:25:54,567 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_strcpy [2024-11-02 11:25:54,567 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_strcpy [2024-11-02 11:25:54,567 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2024-11-02 11:25:54,568 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2024-11-02 11:25:54,568 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2024-11-02 11:25:54,568 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.meminit [2024-11-02 11:25:54,568 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.meminit [2024-11-02 11:25:54,569 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_automaton_state_0_6 [2024-11-02 11:25:54,569 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_automaton_state_0_6 [2024-11-02 11:25:54,569 INFO L130 BoogieDeclarations]: Found specification of procedure nvt_efm_disable [2024-11-02 11:25:54,570 INFO L138 BoogieDeclarations]: Found implementation of procedure nvt_efm_disable [2024-11-02 11:25:54,570 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlock [2024-11-02 11:25:54,571 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlock [2024-11-02 11:25:54,571 INFO L130 BoogieDeclarations]: Found specification of procedure request_irq [2024-11-02 11:25:54,571 INFO L138 BoogieDeclarations]: Found implementation of procedure request_irq [2024-11-02 11:25:54,571 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2024-11-02 11:25:54,572 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2024-11-02 11:25:54,573 INFO L130 BoogieDeclarations]: Found specification of procedure pnp_port_len [2024-11-02 11:25:54,573 INFO L138 BoogieDeclarations]: Found implementation of procedure pnp_port_len [2024-11-02 11:25:54,574 INFO L130 BoogieDeclarations]: Found specification of procedure nvt_cir_wake_reg_read [2024-11-02 11:25:54,574 INFO L138 BoogieDeclarations]: Found implementation of procedure nvt_cir_wake_reg_read [2024-11-02 11:25:54,574 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_to_process_context [2024-11-02 11:25:54,575 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_to_process_context [2024-11-02 11:25:54,576 INFO L130 BoogieDeclarations]: Found specification of procedure free_irq [2024-11-02 11:25:54,577 INFO L138 BoogieDeclarations]: Found implementation of procedure free_irq [2024-11-02 11:25:54,577 INFO L130 BoogieDeclarations]: Found specification of procedure nvt_clear_tx_fifo [2024-11-02 11:25:54,577 INFO L138 BoogieDeclarations]: Found implementation of procedure nvt_clear_tx_fifo [2024-11-02 11:25:54,577 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lock [2024-11-02 11:25:54,578 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lock [2024-11-02 11:25:54,578 INFO L130 BoogieDeclarations]: Found specification of procedure ir_raw_event_handle [2024-11-02 11:25:54,578 INFO L138 BoogieDeclarations]: Found implementation of procedure ir_raw_event_handle [2024-11-02 11:25:54,578 INFO L130 BoogieDeclarations]: Found specification of procedure spinlock_check [2024-11-02 11:25:54,578 INFO L138 BoogieDeclarations]: Found implementation of procedure spinlock_check [2024-11-02 11:25:54,578 INFO L130 BoogieDeclarations]: Found specification of procedure rc_unregister_device [2024-11-02 11:25:54,578 INFO L138 BoogieDeclarations]: Found implementation of procedure rc_unregister_device [2024-11-02 11:25:54,579 INFO L130 BoogieDeclarations]: Found specification of procedure nvt_clear_cir_wake_fifo [2024-11-02 11:25:54,579 INFO L138 BoogieDeclarations]: Found implementation of procedure nvt_clear_cir_wake_fifo [2024-11-02 11:25:54,579 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2024-11-02 11:25:54,579 INFO L130 BoogieDeclarations]: Found specification of procedure nvt_process_rx_ir_data [2024-11-02 11:25:54,579 INFO L138 BoogieDeclarations]: Found implementation of procedure nvt_process_rx_ir_data [2024-11-02 11:25:54,580 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2024-11-02 11:25:54,581 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_xmalloc [2024-11-02 11:25:54,581 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_xmalloc [2024-11-02 11:25:54,581 INFO L130 BoogieDeclarations]: Found specification of procedure nvt_cr_write [2024-11-02 11:25:54,581 INFO L138 BoogieDeclarations]: Found implementation of procedure nvt_cr_write [2024-11-02 11:25:54,582 INFO L130 BoogieDeclarations]: Found specification of procedure nvt_remove [2024-11-02 11:25:54,582 INFO L138 BoogieDeclarations]: Found implementation of procedure nvt_remove [2024-11-02 11:25:54,582 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_irqrestore_47 [2024-11-02 11:25:54,582 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_irqrestore_47 [2024-11-02 11:25:54,583 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_irqrestore_45 [2024-11-02 11:25:54,583 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_irqrestore_45 [2024-11-02 11:25:54,584 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_is_err [2024-11-02 11:25:54,584 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_is_err [2024-11-02 11:25:54,584 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock_irqrestore [2024-11-02 11:25:54,585 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock_irqrestore [2024-11-02 11:25:54,585 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-11-02 11:25:54,586 INFO L130 BoogieDeclarations]: Found specification of procedure nvt_cir_regs_init [2024-11-02 11:25:54,587 INFO L138 BoogieDeclarations]: Found implementation of procedure nvt_cir_regs_init [2024-11-02 11:25:54,587 INFO L130 BoogieDeclarations]: Found specification of procedure printk [2024-11-02 11:25:54,588 INFO L138 BoogieDeclarations]: Found implementation of procedure printk [2024-11-02 11:25:54,588 INFO L130 BoogieDeclarations]: Found specification of procedure dev_err [2024-11-02 11:25:54,588 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_err [2024-11-02 11:25:54,588 INFO L130 BoogieDeclarations]: Found specification of procedure nvt_cir_tx_inactive [2024-11-02 11:25:54,588 INFO L138 BoogieDeclarations]: Found implementation of procedure nvt_cir_tx_inactive [2024-11-02 11:25:54,589 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_lock_lock_of_NOT_ARG_SIGN [2024-11-02 11:25:54,589 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_lock_lock_of_NOT_ARG_SIGN [2024-11-02 11:25:54,589 INFO L130 BoogieDeclarations]: Found specification of procedure nvt_clear_cir_fifo [2024-11-02 11:25:54,589 INFO L138 BoogieDeclarations]: Found implementation of procedure nvt_clear_cir_fifo [2024-11-02 11:25:54,589 INFO L130 BoogieDeclarations]: Found specification of procedure outb [2024-11-02 11:25:54,589 INFO L138 BoogieDeclarations]: Found implementation of procedure outb [2024-11-02 11:25:54,590 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_request_irq [2024-11-02 11:25:54,590 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_request_irq [2024-11-02 11:25:54,590 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_filter_positive_int [2024-11-02 11:25:54,590 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_filter_positive_int [2024-11-02 11:25:54,590 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_free_irq [2024-11-02 11:25:54,591 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_free_irq [2024-11-02 11:25:54,592 INFO L130 BoogieDeclarations]: Found specification of procedure nvt_cir_reg_read [2024-11-02 11:25:54,592 INFO L138 BoogieDeclarations]: Found implementation of procedure nvt_cir_reg_read [2024-11-02 11:25:54,592 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_lock_nvt_lock_of_nvt_dev [2024-11-02 11:25:54,593 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_lock_nvt_lock_of_nvt_dev [2024-11-02 11:25:54,593 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_zalloc [2024-11-02 11:25:54,593 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_zalloc [2024-11-02 11:25:54,593 INFO L130 BoogieDeclarations]: Found specification of procedure nvt_get_rx_ir_data [2024-11-02 11:25:54,593 INFO L138 BoogieDeclarations]: Found implementation of procedure nvt_get_rx_ir_data [2024-11-02 11:25:54,594 INFO L130 BoogieDeclarations]: Found specification of procedure __raw_spin_lock_init [2024-11-02 11:25:54,594 INFO L138 BoogieDeclarations]: Found implementation of procedure __raw_spin_lock_init [2024-11-02 11:25:54,594 INFO L130 BoogieDeclarations]: Found specification of procedure pnp_get_resource [2024-11-02 11:25:54,595 INFO L138 BoogieDeclarations]: Found implementation of procedure pnp_get_resource [2024-11-02 11:25:54,595 INFO L130 BoogieDeclarations]: Found specification of procedure nvt_cir_reg_write [2024-11-02 11:25:54,595 INFO L138 BoogieDeclarations]: Found implementation of procedure nvt_cir_reg_write [2024-11-02 11:25:54,595 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2024-11-02 11:25:54,596 INFO L130 BoogieDeclarations]: Found specification of procedure pnp_resource_valid [2024-11-02 11:25:54,596 INFO L138 BoogieDeclarations]: Found implementation of procedure pnp_resource_valid [2024-11-02 11:25:54,596 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assume [2024-11-02 11:25:54,596 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assume [2024-11-02 11:25:54,596 INFO L130 BoogieDeclarations]: Found specification of procedure nvt_set_cir_iren [2024-11-02 11:25:54,596 INFO L138 BoogieDeclarations]: Found implementation of procedure nvt_set_cir_iren [2024-11-02 11:25:54,597 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2024-11-02 11:25:54,597 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_to_interrupt_context [2024-11-02 11:25:54,597 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_to_interrupt_context [2024-11-02 11:25:54,597 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_dev_set_drvdata [2024-11-02 11:25:54,597 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_dev_set_drvdata [2024-11-02 11:25:54,597 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_filter_err_code [2024-11-02 11:25:54,598 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_filter_err_code [2024-11-02 11:25:54,598 INFO L130 BoogieDeclarations]: Found specification of procedure nvt_set_reg_bit [2024-11-02 11:25:54,598 INFO L138 BoogieDeclarations]: Found implementation of procedure nvt_set_reg_bit [2024-11-02 11:25:54,598 INFO L130 BoogieDeclarations]: Found specification of procedure __release_region [2024-11-02 11:25:54,598 INFO L138 BoogieDeclarations]: Found implementation of procedure __release_region [2024-11-02 11:25:54,598 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2024-11-02 11:25:54,598 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree [2024-11-02 11:25:54,599 INFO L130 BoogieDeclarations]: Found specification of procedure nvt_cir_wake_regs_init [2024-11-02 11:25:54,599 INFO L138 BoogieDeclarations]: Found implementation of procedure nvt_cir_wake_regs_init [2024-11-02 11:25:54,599 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2024-11-02 11:25:54,599 INFO L130 BoogieDeclarations]: Found specification of procedure nvt_cr_read [2024-11-02 11:25:54,599 INFO L138 BoogieDeclarations]: Found implementation of procedure nvt_cr_read [2024-11-02 11:25:54,599 INFO L130 BoogieDeclarations]: Found specification of procedure nvt_enable_wake [2024-11-02 11:25:54,600 INFO L138 BoogieDeclarations]: Found implementation of procedure nvt_enable_wake [2024-11-02 11:25:54,601 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~X~$Pointer$~TO~int [2024-11-02 11:25:54,601 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~X~$Pointer$~TO~int [2024-11-02 11:25:54,601 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_locked_at_exit [2024-11-02 11:25:54,601 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_locked_at_exit [2024-11-02 11:25:54,601 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2024-11-02 11:25:54,602 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_0 [2024-11-02 11:25:54,602 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_0 [2024-11-02 11:25:54,602 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-02 11:25:54,602 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undef_int [2024-11-02 11:25:54,602 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undef_int [2024-11-02 11:25:54,602 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2024-11-02 11:25:54,603 INFO L130 BoogieDeclarations]: Found specification of procedure nvt_cir_wake_reg_write [2024-11-02 11:25:54,604 INFO L138 BoogieDeclarations]: Found implementation of procedure nvt_cir_wake_reg_write [2024-11-02 11:25:54,604 INFO L130 BoogieDeclarations]: Found specification of procedure nvt_efm_enable [2024-11-02 11:25:54,604 INFO L138 BoogieDeclarations]: Found implementation of procedure nvt_efm_enable [2024-11-02 11:25:54,604 INFO L130 BoogieDeclarations]: Found specification of procedure nvt_disable_cir [2024-11-02 11:25:54,604 INFO L138 BoogieDeclarations]: Found implementation of procedure nvt_disable_cir [2024-11-02 11:25:54,605 INFO L130 BoogieDeclarations]: Found specification of procedure pnp_port_start [2024-11-02 11:25:54,605 INFO L138 BoogieDeclarations]: Found implementation of procedure pnp_port_start [2024-11-02 11:25:54,605 INFO L130 BoogieDeclarations]: Found specification of procedure nvt_select_logical_dev [2024-11-02 11:25:54,605 INFO L138 BoogieDeclarations]: Found implementation of procedure nvt_select_logical_dev [2024-11-02 11:25:54,606 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_free [2024-11-02 11:25:54,607 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_free [2024-11-02 11:25:54,607 INFO L130 BoogieDeclarations]: Found specification of procedure __ldv_spin_lock [2024-11-02 11:25:54,607 INFO L138 BoogieDeclarations]: Found implementation of procedure __ldv_spin_lock [2024-11-02 11:25:54,608 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_automaton_state_1_6 [2024-11-02 11:25:54,608 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_automaton_state_1_6 [2024-11-02 11:25:54,608 INFO L130 BoogieDeclarations]: Found specification of procedure nvt_shutdown [2024-11-02 11:25:54,608 INFO L138 BoogieDeclarations]: Found implementation of procedure nvt_shutdown [2024-11-02 11:25:54,608 INFO L130 BoogieDeclarations]: Found specification of procedure inb [2024-11-02 11:25:54,608 INFO L138 BoogieDeclarations]: Found implementation of procedure inb [2024-11-02 11:25:54,608 INFO L130 BoogieDeclarations]: Found specification of procedure pnp_get_drvdata [2024-11-02 11:25:54,608 INFO L138 BoogieDeclarations]: Found implementation of procedure pnp_get_drvdata [2024-11-02 11:25:54,609 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-11-02 11:25:54,609 INFO L130 BoogieDeclarations]: Found specification of procedure __request_region [2024-11-02 11:25:54,609 INFO L138 BoogieDeclarations]: Found implementation of procedure __request_region [2024-11-02 11:25:54,609 INFO L130 BoogieDeclarations]: Found specification of procedure pnp_port_valid [2024-11-02 11:25:54,609 INFO L138 BoogieDeclarations]: Found implementation of procedure pnp_port_valid [2024-11-02 11:25:54,609 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_final_state [2024-11-02 11:25:54,611 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_final_state [2024-11-02 11:25:54,612 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-02 11:25:54,612 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-02 11:25:55,194 INFO L238 CfgBuilder]: Building ICFG [2024-11-02 11:25:55,198 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-02 11:25:55,771 INFO L735 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stopFINAL: assume true; [2024-11-02 11:26:02,692 INFO L735 $ProcedureCfgBuilder]: dead code at ProgramPoint ULTIMATE.startFINAL: assume true; [2024-11-02 11:26:03,302 INFO L? ?]: Removed 955 outVars from TransFormulas that were not future-live. [2024-11-02 11:26:03,302 INFO L287 CfgBuilder]: Performing block encoding [2024-11-02 11:26:04,180 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-02 11:26:04,184 INFO L316 CfgBuilder]: Removed 1 assume(true) statements. [2024-11-02 11:26:04,184 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.11 11:26:04 BoogieIcfgContainer [2024-11-02 11:26:04,184 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-02 11:26:04,187 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-02 11:26:04,187 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-02 11:26:04,191 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-02 11:26:04,191 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 02.11 11:25:51" (1/3) ... [2024-11-02 11:26:04,192 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@452aeb3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.11 11:26:04, skipping insertion in model container [2024-11-02 11:26:04,194 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 11:25:53" (2/3) ... [2024-11-02 11:26:04,194 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@452aeb3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.11 11:26:04, skipping insertion in model container [2024-11-02 11:26:04,194 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.11 11:26:04" (3/3) ... [2024-11-02 11:26:04,196 INFO L112 eAbstractionObserver]: Analyzing ICFG linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-media-rc-nuvoton-cir.cil.i [2024-11-02 11:26:04,222 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-02 11:26:04,223 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 3 error locations. [2024-11-02 11:26:04,403 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-02 11:26:04,421 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;@74b4b0e, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-02 11:26:04,421 INFO L334 AbstractCegarLoop]: Starting to check reachability of 3 error locations. [2024-11-02 11:26:04,441 INFO L276 IsEmpty]: Start isEmpty. Operand has 1078 states, 556 states have (on average 1.2014388489208634) internal successors, (668), 569 states have internal predecessors, (668), 447 states have call successors, (447), 73 states have call predecessors, (447), 72 states have return successors, (443), 442 states have call predecessors, (443), 443 states have call successors, (443) [2024-11-02 11:26:04,472 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2024-11-02 11:26:04,476 INFO L207 NwaCegarLoop]: Found error trace [2024-11-02 11:26:04,477 INFO L215 NwaCegarLoop]: trace histogram [4, 3, 3, 3, 3, 3, 3, 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 11:26:04,478 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ldv_assert_linux_kernel_locking_spinlock__one_thread_locked_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2024-11-02 11:26:04,484 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-02 11:26:04,485 INFO L85 PathProgramCache]: Analyzing trace with hash 933987069, now seen corresponding path program 1 times [2024-11-02 11:26:04,498 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2024-11-02 11:26:04,499 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [181133168] [2024-11-02 11:26:04,500 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-02 11:26:04,501 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-02 11:26:05,482 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-02 11:26:05,987 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 30 trivial. 0 not checked. [2024-11-02 11:26:05,988 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2024-11-02 11:26:05,988 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [181133168] [2024-11-02 11:26:05,989 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [181133168] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-02 11:26:05,990 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-02 11:26:05,990 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-02 11:26:05,992 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1312237156] [2024-11-02 11:26:05,993 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-02 11:26:05,998 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-02 11:26:05,999 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2024-11-02 11:26:06,021 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-02 11:26:06,025 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-02 11:26:06,030 INFO L87 Difference]: Start difference. First operand has 1078 states, 556 states have (on average 1.2014388489208634) internal successors, (668), 569 states have internal predecessors, (668), 447 states have call successors, (447), 73 states have call predecessors, (447), 72 states have return successors, (443), 442 states have call predecessors, (443), 443 states have call successors, (443) Second operand has 3 states, 3 states have (on average 6.0) internal successors, (18), 3 states have internal predecessors, (18), 3 states have call successors, (8), 2 states have call predecessors, (8), 1 states have return successors, (6), 3 states have call predecessors, (6), 3 states have call successors, (6) [2024-11-02 11:26:08,083 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.03s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-02 11:26:10,099 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-02 11:26:13,248 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-02 11:26:15,297 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-02 11:26:17,305 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-02 11:26:17,438 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-02 11:26:17,438 INFO L93 Difference]: Finished difference Result 3168 states and 4657 transitions. [2024-11-02 11:26:17,442 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-02 11:26:17,443 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 6.0) internal successors, (18), 3 states have internal predecessors, (18), 3 states have call successors, (8), 2 states have call predecessors, (8), 1 states have return successors, (6), 3 states have call predecessors, (6), 3 states have call successors, (6) Word has length 47 [2024-11-02 11:26:17,444 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-02 11:26:17,490 INFO L225 Difference]: With dead ends: 3168 [2024-11-02 11:26:17,490 INFO L226 Difference]: Without dead ends: 2088 [2024-11-02 11:26:17,508 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-02 11:26:17,511 INFO L432 NwaCegarLoop]: 1434 mSDtfsCounter, 1494 mSDsluCounter, 1394 mSDsCounter, 0 mSdLazyCounter, 266 mSolverCounterSat, 3 mSolverCounterUnsat, 5 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 10.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1494 SdHoareTripleChecker+Valid, 2828 SdHoareTripleChecker+Invalid, 274 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 266 IncrementalHoareTripleChecker+Invalid, 5 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 11.1s IncrementalHoareTripleChecker+Time [2024-11-02 11:26:17,513 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1494 Valid, 2828 Invalid, 274 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 266 Invalid, 5 Unknown, 0 Unchecked, 11.1s Time] [2024-11-02 11:26:17,537 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2088 states. [2024-11-02 11:26:17,852 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2088 to 2084. [2024-11-02 11:26:17,858 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2084 states, 1078 states have (on average 1.1901669758812616) internal successors, (1283), 1102 states have internal predecessors, (1283), 862 states have call successors, (862), 142 states have call predecessors, (862), 141 states have return successors, (859), 857 states have call predecessors, (859), 859 states have call successors, (859) [2024-11-02 11:26:17,882 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2084 states to 2084 states and 3004 transitions. [2024-11-02 11:26:17,891 INFO L78 Accepts]: Start accepts. Automaton has 2084 states and 3004 transitions. Word has length 47 [2024-11-02 11:26:17,891 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-02 11:26:17,892 INFO L471 AbstractCegarLoop]: Abstraction has 2084 states and 3004 transitions. [2024-11-02 11:26:17,894 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 6.0) internal successors, (18), 3 states have internal predecessors, (18), 3 states have call successors, (8), 2 states have call predecessors, (8), 1 states have return successors, (6), 3 states have call predecessors, (6), 3 states have call successors, (6) [2024-11-02 11:26:17,894 INFO L276 IsEmpty]: Start isEmpty. Operand 2084 states and 3004 transitions. [2024-11-02 11:26:17,900 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 57 [2024-11-02 11:26:17,901 INFO L207 NwaCegarLoop]: Found error trace [2024-11-02 11:26:17,901 INFO L215 NwaCegarLoop]: trace histogram [4, 3, 3, 3, 3, 3, 3, 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 11:26:17,901 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-11-02 11:26:17,903 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2024-11-02 11:26:17,903 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-02 11:26:17,904 INFO L85 PathProgramCache]: Analyzing trace with hash -2002962506, now seen corresponding path program 1 times [2024-11-02 11:26:17,904 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2024-11-02 11:26:17,904 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1146644133] [2024-11-02 11:26:17,904 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-02 11:26:17,905 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-02 11:26:18,396 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-02 11:26:18,758 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 30 trivial. 0 not checked. [2024-11-02 11:26:18,758 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2024-11-02 11:26:18,758 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1146644133] [2024-11-02 11:26:18,759 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1146644133] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-02 11:26:18,759 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-02 11:26:18,759 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-02 11:26:18,759 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [490421173] [2024-11-02 11:26:18,759 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-02 11:26:18,761 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-02 11:26:18,761 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2024-11-02 11:26:18,762 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-02 11:26:18,763 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-02 11:26:18,763 INFO L87 Difference]: Start difference. First operand 2084 states and 3004 transitions. Second operand has 3 states, 3 states have (on average 9.0) internal successors, (27), 3 states have internal predecessors, (27), 3 states have call successors, (8), 2 states have call predecessors, (8), 1 states have return successors, (6), 3 states have call predecessors, (6), 3 states have call successors, (6) [2024-11-02 11:26:20,797 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.03s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-02 11:26:22,804 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers []