./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--message--fusion--mptctl.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_005d842f-916f-4931-983c-d55ae2b808fd/bin/utaipan-verify-DbMuA5NWw2/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_005d842f-916f-4931-983c-d55ae2b808fd/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_005d842f-916f-4931-983c-d55ae2b808fd/bin/utaipan-verify-DbMuA5NWw2/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_005d842f-916f-4931-983c-d55ae2b808fd/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--message--fusion--mptctl.ko-entry_point.cil.out.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_005d842f-916f-4931-983c-d55ae2b808fd/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_005d842f-916f-4931-983c-d55ae2b808fd/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 1cfba800a850f13ff72fddf9946e31aec208a19aa4b82d402046e12670b66199 --- Real Ultimate output --- This is Ultimate 0.2.5-dev-4fc63b2 [2024-11-02 12:40:24,170 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-02 12:40:24,265 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_005d842f-916f-4931-983c-d55ae2b808fd/bin/utaipan-verify-DbMuA5NWw2/config/svcomp-Reach-64bit-Taipan_Default.epf [2024-11-02 12:40:24,276 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-02 12:40:24,278 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-02 12:40:24,310 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-02 12:40:24,313 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-02 12:40:24,314 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-02 12:40:24,314 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-02 12:40:24,316 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-02 12:40:24,316 INFO L153 SettingsManager]: * User list type=DISABLED [2024-11-02 12:40:24,316 INFO L151 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2024-11-02 12:40:24,317 INFO L153 SettingsManager]: * Explicit value domain=true [2024-11-02 12:40:24,317 INFO L153 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2024-11-02 12:40:24,318 INFO L153 SettingsManager]: * Octagon Domain=false [2024-11-02 12:40:24,319 INFO L153 SettingsManager]: * Abstract domain=CompoundDomain [2024-11-02 12:40:24,321 INFO L153 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2024-11-02 12:40:24,321 INFO L153 SettingsManager]: * Use the RCFG-of-the-future interface=true [2024-11-02 12:40:24,322 INFO L153 SettingsManager]: * Interval Domain=false [2024-11-02 12:40:24,322 INFO L151 SettingsManager]: Preferences of Sifa differ from their defaults: [2024-11-02 12:40:24,322 INFO L153 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2024-11-02 12:40:24,327 INFO L153 SettingsManager]: * Simplification Technique=POLY_PAC [2024-11-02 12:40:24,327 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-02 12:40:24,328 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-02 12:40:24,328 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-02 12:40:24,328 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-02 12:40:24,329 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-02 12:40:24,329 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-02 12:40:24,329 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-02 12:40:24,329 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-02 12:40:24,330 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-02 12:40:24,330 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-02 12:40:24,330 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-02 12:40:24,331 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-02 12:40:24,331 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-02 12:40:24,331 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-11-02 12:40:24,332 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-02 12:40:24,332 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-02 12:40:24,332 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-02 12:40:24,332 INFO L153 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2024-11-02 12:40:24,333 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-02 12:40:24,333 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-02 12:40:24,334 INFO L153 SettingsManager]: * Trace refinement exception blacklist=NONE [2024-11-02 12:40:24,334 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-02 12:40:24,334 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_005d842f-916f-4931-983c-d55ae2b808fd/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_005d842f-916f-4931-983c-d55ae2b808fd/bin/utaipan-verify-DbMuA5NWw2 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 1cfba800a850f13ff72fddf9946e31aec208a19aa4b82d402046e12670b66199 [2024-11-02 12:40:24,618 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-02 12:40:24,650 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-02 12:40:24,653 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-02 12:40:24,655 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-02 12:40:24,655 INFO L274 PluginConnector]: CDTParser initialized [2024-11-02 12:40:24,657 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_005d842f-916f-4931-983c-d55ae2b808fd/bin/utaipan-verify-DbMuA5NWw2/../../sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-32_7a-drivers--message--fusion--mptctl.ko-entry_point.cil.out.i Unable to find full path for "g++" [2024-11-02 12:40:27,047 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-02 12:40:27,653 INFO L384 CDTParser]: Found 1 translation units. [2024-11-02 12:40:27,654 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_005d842f-916f-4931-983c-d55ae2b808fd/sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-32_7a-drivers--message--fusion--mptctl.ko-entry_point.cil.out.i [2024-11-02 12:40:27,706 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_005d842f-916f-4931-983c-d55ae2b808fd/bin/utaipan-verify-DbMuA5NWw2/data/9afe7c606/1ec43b67a49648d08bf56c16fb373e64/FLAG062c82937 [2024-11-02 12:40:28,157 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_005d842f-916f-4931-983c-d55ae2b808fd/bin/utaipan-verify-DbMuA5NWw2/data/9afe7c606/1ec43b67a49648d08bf56c16fb373e64 [2024-11-02 12:40:28,159 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-02 12:40:28,161 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-02 12:40:28,162 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-02 12:40:28,162 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-02 12:40:28,168 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-02 12:40:28,169 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.11 12:40:28" (1/1) ... [2024-11-02 12:40:28,170 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2e52a579 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 12:40:28, skipping insertion in model container [2024-11-02 12:40:28,171 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.11 12:40:28" (1/1) ... [2024-11-02 12:40:28,358 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-02 12:40:30,935 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_005d842f-916f-4931-983c-d55ae2b808fd/sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-32_7a-drivers--message--fusion--mptctl.ko-entry_point.cil.out.i[277952,277965] [2024-11-02 12:40:31,201 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-02 12:40:31,231 INFO L200 MainTranslator]: Completed pre-run [2024-11-02 12:40:31,395 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 *)"include/asm-generic/dma-mapping-common.h"), "i" (19), "i" (12UL)); [5693-5694] [2024-11-02 12:40:31,399 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 *)"include/asm-generic/dma-mapping-common.h"), "i" (36), "i" (12UL)); [5722-5723] [2024-11-02 12:40:31,716 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_005d842f-916f-4931-983c-d55ae2b808fd/sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-32_7a-drivers--message--fusion--mptctl.ko-entry_point.cil.out.i[277952,277965] [2024-11-02 12:40:31,758 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-02 12:40:31,872 INFO L204 MainTranslator]: Completed translation [2024-11-02 12:40:31,873 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 12:40:31 WrapperNode [2024-11-02 12:40:31,873 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-02 12:40:31,874 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-02 12:40:31,874 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-02 12:40:31,874 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-02 12:40:31,884 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 12:40:31" (1/1) ... [2024-11-02 12:40:31,983 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 12:40:31" (1/1) ... [2024-11-02 12:40:32,189 INFO L138 Inliner]: procedures = 258, calls = 2402, calls flagged for inlining = 96, calls inlined = 93, statements flattened = 7023 [2024-11-02 12:40:32,190 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-02 12:40:32,191 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-02 12:40:32,191 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-02 12:40:32,191 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-02 12:40:32,200 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 12:40:31" (1/1) ... [2024-11-02 12:40:32,201 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 12:40:31" (1/1) ... [2024-11-02 12:40:32,247 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 12:40:31" (1/1) ... [2024-11-02 12:40:32,248 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 12:40:31" (1/1) ... [2024-11-02 12:40:32,427 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 12:40:31" (1/1) ... [2024-11-02 12:40:32,466 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 12:40:31" (1/1) ... [2024-11-02 12:40:32,493 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 12:40:31" (1/1) ... [2024-11-02 12:40:32,517 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 12:40:31" (1/1) ... [2024-11-02 12:40:32,557 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-02 12:40:32,558 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-02 12:40:32,559 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-02 12:40:32,559 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-02 12:40:32,560 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 12:40:31" (1/1) ... [2024-11-02 12:40:32,566 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-11-02 12:40:32,580 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_005d842f-916f-4931-983c-d55ae2b808fd/bin/utaipan-verify-DbMuA5NWw2/z3 [2024-11-02 12:40:32,600 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_005d842f-916f-4931-983c-d55ae2b808fd/bin/utaipan-verify-DbMuA5NWw2/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2024-11-02 12:40:32,603 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_005d842f-916f-4931-983c-d55ae2b808fd/bin/utaipan-verify-DbMuA5NWw2/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2024-11-02 12:40:32,639 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2024-11-02 12:40:32,639 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2024-11-02 12:40:32,639 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2024-11-02 12:40:32,640 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.meminit [2024-11-02 12:40:32,641 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.meminit [2024-11-02 12:40:32,641 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~~u32~0~X~~dma_addr_t~0~TO~VOID [2024-11-02 12:40:32,642 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~~u32~0~X~~dma_addr_t~0~TO~VOID [2024-11-02 12:40:32,642 INFO L130 BoogieDeclarations]: Found specification of procedure wait_for_completion_timeout [2024-11-02 12:40:32,642 INFO L138 BoogieDeclarations]: Found implementation of procedure wait_for_completion_timeout [2024-11-02 12:40:32,642 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_mpctl_mutex [2024-11-02 12:40:32,642 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_mpctl_mutex [2024-11-02 12:40:32,642 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2024-11-02 12:40:32,643 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2024-11-02 12:40:32,643 INFO L130 BoogieDeclarations]: Found specification of procedure mpt_GetIocState [2024-11-02 12:40:32,643 INFO L138 BoogieDeclarations]: Found implementation of procedure mpt_GetIocState [2024-11-02 12:40:32,643 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_trylock [2024-11-02 12:40:32,644 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_trylock [2024-11-02 12:40:32,644 INFO L130 BoogieDeclarations]: Found specification of procedure __scsi_iterate_devices [2024-11-02 12:40:32,644 INFO L138 BoogieDeclarations]: Found implementation of procedure __scsi_iterate_devices [2024-11-02 12:40:32,644 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_unlock [2024-11-02 12:40:32,645 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_unlock [2024-11-02 12:40:32,645 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_error [2024-11-02 12:40:32,645 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_error [2024-11-02 12:40:32,645 INFO L130 BoogieDeclarations]: Found specification of procedure mptctl_syscall_down [2024-11-02 12:40:32,645 INFO L138 BoogieDeclarations]: Found implementation of procedure mptctl_syscall_down [2024-11-02 12:40:32,645 INFO L130 BoogieDeclarations]: Found specification of procedure mpt_device_driver_deregister [2024-11-02 12:40:32,645 INFO L138 BoogieDeclarations]: Found implementation of procedure mpt_device_driver_deregister [2024-11-02 12:40:32,646 INFO L130 BoogieDeclarations]: Found specification of procedure valid_dma_direction [2024-11-02 12:40:32,646 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_dma_direction [2024-11-02 12:40:32,646 INFO L130 BoogieDeclarations]: Found specification of procedure mptctl_remove [2024-11-02 12:40:32,646 INFO L138 BoogieDeclarations]: Found implementation of procedure mptctl_remove [2024-11-02 12:40:32,646 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2024-11-02 12:40:32,646 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2024-11-02 12:40:32,646 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-11-02 12:40:32,647 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-11-02 12:40:32,647 INFO L130 BoogieDeclarations]: Found specification of procedure mpt_put_msg_frame [2024-11-02 12:40:32,647 INFO L138 BoogieDeclarations]: Found implementation of procedure mpt_put_msg_frame [2024-11-02 12:40:32,648 INFO L130 BoogieDeclarations]: Found specification of procedure pci_alloc_consistent [2024-11-02 12:40:32,649 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_alloc_consistent [2024-11-02 12:40:32,649 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_lock [2024-11-02 12:40:32,649 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_lock [2024-11-02 12:40:32,649 INFO L130 BoogieDeclarations]: Found specification of procedure spinlock_check [2024-11-02 12:40:32,649 INFO L138 BoogieDeclarations]: Found implementation of procedure spinlock_check [2024-11-02 12:40:32,650 INFO L130 BoogieDeclarations]: Found specification of procedure __mptctl_ioctl [2024-11-02 12:40:32,650 INFO L138 BoogieDeclarations]: Found implementation of procedure __mptctl_ioctl [2024-11-02 12:40:32,650 INFO L130 BoogieDeclarations]: Found specification of procedure mptctl_do_mpt_command [2024-11-02 12:40:32,650 INFO L138 BoogieDeclarations]: Found implementation of procedure mptctl_do_mpt_command [2024-11-02 12:40:32,650 INFO L130 BoogieDeclarations]: Found specification of procedure mptctl_do_fw_download [2024-11-02 12:40:32,650 INFO L138 BoogieDeclarations]: Found implementation of procedure mptctl_do_fw_download [2024-11-02 12:40:32,651 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2024-11-02 12:40:32,651 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2024-11-02 12:40:32,651 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_mutex_of__MPT_MGMT [2024-11-02 12:40:32,651 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_mutex_of__MPT_MGMT [2024-11-02 12:40:32,651 INFO L130 BoogieDeclarations]: Found specification of procedure mpt_put_msg_frame_hi_pri [2024-11-02 12:40:32,652 INFO L138 BoogieDeclarations]: Found implementation of procedure mpt_put_msg_frame_hi_pri [2024-11-02 12:40:32,652 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_is_err [2024-11-02 12:40:32,653 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_is_err [2024-11-02 12:40:32,653 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock_irqrestore [2024-11-02 12:40:32,653 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock_irqrestore [2024-11-02 12:40:32,653 INFO L130 BoogieDeclarations]: Found specification of procedure mpt_free_fw_memory [2024-11-02 12:40:32,654 INFO L138 BoogieDeclarations]: Found implementation of procedure mpt_free_fw_memory [2024-11-02 12:40:32,655 INFO L130 BoogieDeclarations]: Found specification of procedure mptctl_do_taskmgmt [2024-11-02 12:40:32,655 INFO L138 BoogieDeclarations]: Found implementation of procedure mptctl_do_taskmgmt [2024-11-02 12:40:32,655 INFO L130 BoogieDeclarations]: Found specification of procedure pci_unmap_single [2024-11-02 12:40:32,655 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_unmap_single [2024-11-02 12:40:32,655 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-11-02 12:40:32,655 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2024-11-02 12:40:32,656 INFO L130 BoogieDeclarations]: Found specification of procedure mpt_clear_taskmgmt_in_progress_flag [2024-11-02 12:40:32,656 INFO L138 BoogieDeclarations]: Found implementation of procedure mpt_clear_taskmgmt_in_progress_flag [2024-11-02 12:40:32,656 INFO L130 BoogieDeclarations]: Found specification of procedure printk [2024-11-02 12:40:32,656 INFO L138 BoogieDeclarations]: Found implementation of procedure printk [2024-11-02 12:40:32,656 INFO L130 BoogieDeclarations]: Found specification of procedure mptctl_timeout_expired [2024-11-02 12:40:32,657 INFO L138 BoogieDeclarations]: Found implementation of procedure mptctl_timeout_expired [2024-11-02 12:40:32,657 INFO L130 BoogieDeclarations]: Found specification of procedure __might_fault [2024-11-02 12:40:32,657 INFO L138 BoogieDeclarations]: Found implementation of procedure __might_fault [2024-11-02 12:40:32,657 INFO L130 BoogieDeclarations]: Found specification of procedure kzalloc [2024-11-02 12:40:32,657 INFO L138 BoogieDeclarations]: Found implementation of procedure kzalloc [2024-11-02 12:40:32,657 INFO L130 BoogieDeclarations]: Found specification of procedure _raw_spin_lock_irqsave [2024-11-02 12:40:32,658 INFO L138 BoogieDeclarations]: Found implementation of procedure _raw_spin_lock_irqsave [2024-11-02 12:40:32,658 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_mpctl_mutex [2024-11-02 12:40:32,658 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_mpctl_mutex [2024-11-02 12:40:32,658 INFO L130 BoogieDeclarations]: Found specification of procedure mptctl_fasync [2024-11-02 12:40:32,658 INFO L138 BoogieDeclarations]: Found implementation of procedure mptctl_fasync [2024-11-02 12:40:32,659 INFO L130 BoogieDeclarations]: Found specification of procedure get_dma_ops [2024-11-02 12:40:32,659 INFO L138 BoogieDeclarations]: Found implementation of procedure get_dma_ops [2024-11-02 12:40:32,659 INFO L130 BoogieDeclarations]: Found specification of procedure misc_deregister [2024-11-02 12:40:32,659 INFO L138 BoogieDeclarations]: Found implementation of procedure misc_deregister [2024-11-02 12:40:32,659 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2024-11-02 12:40:32,659 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2024-11-02 12:40:32,659 INFO L130 BoogieDeclarations]: Found specification of procedure mpt_set_taskmgmt_in_progress_flag [2024-11-02 12:40:32,660 INFO L138 BoogieDeclarations]: Found implementation of procedure mpt_set_taskmgmt_in_progress_flag [2024-11-02 12:40:32,660 INFO L130 BoogieDeclarations]: Found specification of procedure __phys_addr [2024-11-02 12:40:32,660 INFO L138 BoogieDeclarations]: Found implementation of procedure __phys_addr [2024-11-02 12:40:32,660 INFO L130 BoogieDeclarations]: Found specification of procedure mpt_verify_adapter [2024-11-02 12:40:32,660 INFO L138 BoogieDeclarations]: Found implementation of procedure mpt_verify_adapter [2024-11-02 12:40:32,660 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2024-11-02 12:40:32,660 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree [2024-11-02 12:40:32,661 INFO L130 BoogieDeclarations]: Found specification of procedure pci_free_consistent [2024-11-02 12:40:32,661 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_free_consistent [2024-11-02 12:40:32,661 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2024-11-02 12:40:32,661 INFO L130 BoogieDeclarations]: Found specification of procedure copy_to_user [2024-11-02 12:40:32,663 INFO L138 BoogieDeclarations]: Found implementation of procedure copy_to_user [2024-11-02 12:40:32,663 INFO L130 BoogieDeclarations]: Found specification of procedure mpt_deregister [2024-11-02 12:40:32,663 INFO L138 BoogieDeclarations]: Found implementation of procedure mpt_deregister [2024-11-02 12:40:32,664 INFO L130 BoogieDeclarations]: Found specification of procedure kfree_sgl [2024-11-02 12:40:32,664 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree_sgl [2024-11-02 12:40:32,664 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2024-11-02 12:40:32,664 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2024-11-02 12:40:32,665 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_init_zalloc [2024-11-02 12:40:32,665 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_init_zalloc [2024-11-02 12:40:32,665 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2024-11-02 12:40:32,665 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_memset [2024-11-02 12:40:32,666 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_memset [2024-11-02 12:40:32,666 INFO L130 BoogieDeclarations]: Found specification of procedure copy_from_user [2024-11-02 12:40:32,666 INFO L138 BoogieDeclarations]: Found implementation of procedure copy_from_user [2024-11-02 12:40:32,667 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-02 12:40:32,667 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undef_int [2024-11-02 12:40:32,668 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undef_int [2024-11-02 12:40:32,668 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2024-11-02 12:40:32,668 INFO L130 BoogieDeclarations]: Found specification of procedure mpt_get_msg_frame [2024-11-02 12:40:32,668 INFO L138 BoogieDeclarations]: Found implementation of procedure mpt_get_msg_frame [2024-11-02 12:40:32,668 INFO L130 BoogieDeclarations]: Found specification of procedure PTR_ERR [2024-11-02 12:40:32,669 INFO L138 BoogieDeclarations]: Found implementation of procedure PTR_ERR [2024-11-02 12:40:32,669 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_mutex_of__MPT_MGMT [2024-11-02 12:40:32,669 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_mutex_of__MPT_MGMT [2024-11-02 12:40:32,669 INFO L130 BoogieDeclarations]: Found specification of procedure mpt_send_handshake_request [2024-11-02 12:40:32,669 INFO L138 BoogieDeclarations]: Found implementation of procedure mpt_send_handshake_request [2024-11-02 12:40:32,669 INFO L130 BoogieDeclarations]: Found specification of procedure mpt_register [2024-11-02 12:40:32,670 INFO L138 BoogieDeclarations]: Found implementation of procedure mpt_register [2024-11-02 12:40:32,670 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_trylock_mutex_of__MPT_MGMT [2024-11-02 12:40:32,670 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_trylock_mutex_of__MPT_MGMT [2024-11-02 12:40:32,670 INFO L130 BoogieDeclarations]: Found specification of procedure shost_priv [2024-11-02 12:40:32,670 INFO L138 BoogieDeclarations]: Found implementation of procedure shost_priv [2024-11-02 12:40:32,670 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-11-02 12:40:32,671 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-02 12:40:32,671 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-02 12:40:32,671 INFO L130 BoogieDeclarations]: Found specification of procedure mpt_config [2024-11-02 12:40:32,671 INFO L138 BoogieDeclarations]: Found implementation of procedure mpt_config [2024-11-02 12:40:32,671 INFO L130 BoogieDeclarations]: Found specification of procedure mpt_free_msg_frame [2024-11-02 12:40:32,671 INFO L138 BoogieDeclarations]: Found implementation of procedure mpt_free_msg_frame [2024-11-02 12:40:32,671 INFO L130 BoogieDeclarations]: Found specification of procedure IS_ERR [2024-11-02 12:40:32,671 INFO L138 BoogieDeclarations]: Found implementation of procedure IS_ERR [2024-11-02 12:40:33,500 INFO L238 CfgBuilder]: Building ICFG [2024-11-02 12:40:33,505 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-02 12:40:37,140 INFO L735 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stopFINAL: assume true; [2024-11-02 12:40:50,230 INFO L? ?]: Removed 2126 outVars from TransFormulas that were not future-live. [2024-11-02 12:40:50,231 INFO L287 CfgBuilder]: Performing block encoding [2024-11-02 12:40:53,615 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-02 12:40:53,616 INFO L316 CfgBuilder]: Removed 0 assume(true) statements. [2024-11-02 12:40:53,617 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.11 12:40:53 BoogieIcfgContainer [2024-11-02 12:40:53,617 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-02 12:40:53,622 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-02 12:40:53,622 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-02 12:40:53,627 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-02 12:40:53,628 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 02.11 12:40:28" (1/3) ... [2024-11-02 12:40:53,633 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2b1f4999 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.11 12:40:53, skipping insertion in model container [2024-11-02 12:40:53,633 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 12:40:31" (2/3) ... [2024-11-02 12:40:53,633 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2b1f4999 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.11 12:40:53, skipping insertion in model container [2024-11-02 12:40:53,633 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.11 12:40:53" (3/3) ... [2024-11-02 12:40:53,635 INFO L112 eAbstractionObserver]: Analyzing ICFG linux-4.2-rc1.tar.xz-32_7a-drivers--message--fusion--mptctl.ko-entry_point.cil.out.i [2024-11-02 12:40:53,657 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-02 12:40:53,657 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2024-11-02 12:40:53,795 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-02 12:40:53,806 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;@58334020, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-02 12:40:53,806 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-11-02 12:40:53,817 INFO L276 IsEmpty]: Start isEmpty. Operand has 1238 states, 786 states have (on average 1.3511450381679388) internal successors, (1062), 806 states have internal predecessors, (1062), 387 states have call successors, (387), 64 states have call predecessors, (387), 63 states have return successors, (383), 382 states have call predecessors, (383), 383 states have call successors, (383) [2024-11-02 12:40:53,831 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 98 [2024-11-02 12:40:53,831 INFO L207 NwaCegarLoop]: Found error trace [2024-11-02 12:40:53,832 INFO L215 NwaCegarLoop]: trace histogram [8, 8, 8, 8, 8, 8, 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, 1, 1, 1] [2024-11-02 12:40:53,833 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-02 12:40:53,839 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-02 12:40:53,840 INFO L85 PathProgramCache]: Analyzing trace with hash 1333098695, now seen corresponding path program 1 times [2024-11-02 12:40:53,852 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2024-11-02 12:40:53,853 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [929486647] [2024-11-02 12:40:53,853 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-02 12:40:53,854 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-02 12:40:55,559 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat