./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/ldv-linux-3.16-rc1/43_2a_consumption_linux-3.16-rc1.tar.xz-43_2a-drivers--fmc--fmc-fakedev.ko-entry_point.cil.out.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 30e01a73 Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_354ce077-edfd-4c5e-9440-1c58adc29843/bin/utaipan-verify-mE87zJ7Ire/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_354ce077-edfd-4c5e-9440-1c58adc29843/bin/utaipan-verify-mE87zJ7Ire/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_354ce077-edfd-4c5e-9440-1c58adc29843/bin/utaipan-verify-mE87zJ7Ire/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_354ce077-edfd-4c5e-9440-1c58adc29843/bin/utaipan-verify-mE87zJ7Ire/config/TaipanReach.xml -i ../../sv-benchmarks/c/ldv-linux-3.16-rc1/43_2a_consumption_linux-3.16-rc1.tar.xz-43_2a-drivers--fmc--fmc-fakedev.ko-entry_point.cil.out.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_354ce077-edfd-4c5e-9440-1c58adc29843/bin/utaipan-verify-mE87zJ7Ire/config/svcomp-Reach-64bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_354ce077-edfd-4c5e-9440-1c58adc29843/bin/utaipan-verify-mE87zJ7Ire --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 db09076fa9a5c529090d66c116e7ec6dbccd2fd7809e50a63c87ed8084989776 --- Real Ultimate output --- This is Ultimate 0.2.3-dev-30e01a7 [2023-11-23 21:23:46,947 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-23 21:23:47,018 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_354ce077-edfd-4c5e-9440-1c58adc29843/bin/utaipan-verify-mE87zJ7Ire/config/svcomp-Reach-64bit-Taipan_Default.epf [2023-11-23 21:23:47,024 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-23 21:23:47,025 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-11-23 21:23:47,051 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-23 21:23:47,052 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-11-23 21:23:47,053 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-11-23 21:23:47,054 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-23 21:23:47,055 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-11-23 21:23:47,055 INFO L153 SettingsManager]: * User list type=DISABLED [2023-11-23 21:23:47,056 INFO L151 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2023-11-23 21:23:47,056 INFO L153 SettingsManager]: * Explicit value domain=true [2023-11-23 21:23:47,057 INFO L153 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2023-11-23 21:23:47,058 INFO L153 SettingsManager]: * Octagon Domain=false [2023-11-23 21:23:47,058 INFO L153 SettingsManager]: * Abstract domain=CompoundDomain [2023-11-23 21:23:47,059 INFO L153 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2023-11-23 21:23:47,060 INFO L153 SettingsManager]: * Use the RCFG-of-the-future interface=true [2023-11-23 21:23:47,060 INFO L153 SettingsManager]: * Interval Domain=false [2023-11-23 21:23:47,061 INFO L151 SettingsManager]: Preferences of Sifa differ from their defaults: [2023-11-23 21:23:47,062 INFO L153 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2023-11-23 21:23:47,063 INFO L153 SettingsManager]: * Simplification Technique=POLY_PAC [2023-11-23 21:23:47,064 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-23 21:23:47,064 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-23 21:23:47,065 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-23 21:23:47,065 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-23 21:23:47,066 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-23 21:23:47,067 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-23 21:23:47,067 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-23 21:23:47,072 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-23 21:23:47,073 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-23 21:23:47,074 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-23 21:23:47,074 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2023-11-23 21:23:47,074 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-11-23 21:23:47,074 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-23 21:23:47,075 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-23 21:23:47,075 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-23 21:23:47,075 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-23 21:23:47,076 INFO L153 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2023-11-23 21:23:47,076 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-23 21:23:47,076 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2023-11-23 21:23:47,077 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-23 21:23:47,078 INFO L153 SettingsManager]: * Trace refinement exception blacklist=NONE [2023-11-23 21:23:47,078 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-23 21:23:47,079 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_354ce077-edfd-4c5e-9440-1c58adc29843/bin/utaipan-verify-mE87zJ7Ire/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_354ce077-edfd-4c5e-9440-1c58adc29843/bin/utaipan-verify-mE87zJ7Ire Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> db09076fa9a5c529090d66c116e7ec6dbccd2fd7809e50a63c87ed8084989776 [2023-11-23 21:23:47,370 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-23 21:23:47,418 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-23 21:23:47,421 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-23 21:23:47,423 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-23 21:23:47,423 INFO L274 PluginConnector]: CDTParser initialized [2023-11-23 21:23:47,425 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_354ce077-edfd-4c5e-9440-1c58adc29843/bin/utaipan-verify-mE87zJ7Ire/../../sv-benchmarks/c/ldv-linux-3.16-rc1/43_2a_consumption_linux-3.16-rc1.tar.xz-43_2a-drivers--fmc--fmc-fakedev.ko-entry_point.cil.out.i [2023-11-23 21:23:50,619 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-23 21:23:51,137 INFO L384 CDTParser]: Found 1 translation units. [2023-11-23 21:23:51,137 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_354ce077-edfd-4c5e-9440-1c58adc29843/sv-benchmarks/c/ldv-linux-3.16-rc1/43_2a_consumption_linux-3.16-rc1.tar.xz-43_2a-drivers--fmc--fmc-fakedev.ko-entry_point.cil.out.i [2023-11-23 21:23:51,165 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_354ce077-edfd-4c5e-9440-1c58adc29843/bin/utaipan-verify-mE87zJ7Ire/data/5447f1ad5/1bb69e23158d4a10bc10ab997308d5e1/FLAG48a80e704 [2023-11-23 21:23:51,181 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_354ce077-edfd-4c5e-9440-1c58adc29843/bin/utaipan-verify-mE87zJ7Ire/data/5447f1ad5/1bb69e23158d4a10bc10ab997308d5e1 [2023-11-23 21:23:51,184 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-23 21:23:51,185 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-23 21:23:51,187 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-23 21:23:51,187 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-23 21:23:51,192 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-23 21:23:51,193 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 09:23:51" (1/1) ... [2023-11-23 21:23:51,195 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@68bd75db and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:23:51, skipping insertion in model container [2023-11-23 21:23:51,195 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 09:23:51" (1/1) ... [2023-11-23 21:23:51,303 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-23 21:23:51,691 WARN L1274 CHandler]: Detected problem Invalid redeclaration of the name show at C: (*show)(struct kobject___0 * , struct attribute___0 * , char * ) [1268] [2023-11-23 21:23:51,699 WARN L1274 CHandler]: Detected problem Invalid redeclaration of the name store at C: (*store)(struct kobject___0 * , struct attribute___0 * , char const * , size_t ) [1269-1270] [2023-11-23 21:23:51,829 WARN L240 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_354ce077-edfd-4c5e-9440-1c58adc29843/sv-benchmarks/c/ldv-linux-3.16-rc1/43_2a_consumption_linux-3.16-rc1.tar.xz-43_2a-drivers--fmc--fmc-fakedev.ko-entry_point.cil.out.i[40937,40950] [2023-11-23 21:23:52,178 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-23 21:23:52,412 INFO L202 MainTranslator]: Completed pre-run [2023-11-23 21:23:52,485 WARN L1274 CHandler]: Detected problem Invalid redeclaration of the name show at C: (*show)(struct kobject___0 * , struct attribute___0 * , char * ) [1268] [2023-11-23 21:23:52,486 WARN L1274 CHandler]: Detected problem Invalid redeclaration of the name store at C: (*store)(struct kobject___0 * , struct attribute___0 * , char const * , size_t ) [1269-1270] [2023-11-23 21:23:52,500 WARN L240 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_354ce077-edfd-4c5e-9440-1c58adc29843/sv-benchmarks/c/ldv-linux-3.16-rc1/43_2a_consumption_linux-3.16-rc1.tar.xz-43_2a-drivers--fmc--fmc-fakedev.ko-entry_point.cil.out.i[40937,40950] [2023-11-23 21:23:52,614 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-23 21:23:52,757 INFO L206 MainTranslator]: Completed translation [2023-11-23 21:23:52,758 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:23:52 WrapperNode [2023-11-23 21:23:52,758 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-23 21:23:52,760 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-23 21:23:52,760 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-23 21:23:52,760 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-23 21:23:52,768 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:23:52" (1/1) ... [2023-11-23 21:23:52,831 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:23:52" (1/1) ... [2023-11-23 21:23:52,983 INFO L138 Inliner]: procedures = 93, calls = 964, calls flagged for inlining = 34, calls inlined = 31, statements flattened = 1548 [2023-11-23 21:23:52,984 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-23 21:23:52,984 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-23 21:23:52,985 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-23 21:23:52,985 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-23 21:23:52,995 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:23:52" (1/1) ... [2023-11-23 21:23:52,995 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:23:52" (1/1) ... [2023-11-23 21:23:53,009 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:23:52" (1/1) ... [2023-11-23 21:23:53,010 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:23:52" (1/1) ... [2023-11-23 21:23:53,075 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:23:52" (1/1) ... [2023-11-23 21:23:53,083 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:23:52" (1/1) ... [2023-11-23 21:23:53,095 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:23:52" (1/1) ... [2023-11-23 21:23:53,104 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:23:52" (1/1) ... [2023-11-23 21:23:53,120 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-23 21:23:53,121 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-23 21:23:53,121 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-23 21:23:53,121 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-23 21:23:53,122 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:23:52" (1/1) ... [2023-11-23 21:23:53,128 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-23 21:23:53,158 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_354ce077-edfd-4c5e-9440-1c58adc29843/bin/utaipan-verify-mE87zJ7Ire/z3 [2023-11-23 21:23:53,197 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_354ce077-edfd-4c5e-9440-1c58adc29843/bin/utaipan-verify-mE87zJ7Ire/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2023-11-23 21:23:53,220 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_354ce077-edfd-4c5e-9440-1c58adc29843/bin/utaipan-verify-mE87zJ7Ire/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2023-11-23 21:23:53,242 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-23 21:23:53,243 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2023-11-23 21:23:53,244 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2023-11-23 21:23:53,245 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-11-23 21:23:53,245 INFO L130 BoogieDeclarations]: Found specification of procedure _dev_info [2023-11-23 21:23:53,246 INFO L138 BoogieDeclarations]: Found implementation of procedure _dev_info [2023-11-23 21:23:53,246 INFO L130 BoogieDeclarations]: Found specification of procedure fmc_device_unregister_n [2023-11-23 21:23:53,246 INFO L138 BoogieDeclarations]: Found implementation of procedure fmc_device_unregister_n [2023-11-23 21:23:53,246 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2023-11-23 21:23:53,246 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2023-11-23 21:23:53,247 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2023-11-23 21:23:53,247 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2023-11-23 21:23:53,247 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2023-11-23 21:23:53,248 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2023-11-23 21:23:53,248 INFO L130 BoogieDeclarations]: Found specification of procedure ff_validate [2023-11-23 21:23:53,248 INFO L138 BoogieDeclarations]: Found implementation of procedure ff_validate [2023-11-23 21:23:53,249 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy [2023-11-23 21:23:53,250 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy [2023-11-23 21:23:53,250 INFO L130 BoogieDeclarations]: Found specification of procedure ff_irq_request [2023-11-23 21:23:53,250 INFO L138 BoogieDeclarations]: Found implementation of procedure ff_irq_request [2023-11-23 21:23:53,250 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2023-11-23 21:23:53,251 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2023-11-23 21:23:53,251 INFO L130 BoogieDeclarations]: Found specification of procedure device_unregister [2023-11-23 21:23:53,251 INFO L138 BoogieDeclarations]: Found implementation of procedure device_unregister [2023-11-23 21:23:53,252 INFO L130 BoogieDeclarations]: Found specification of procedure ff_reprogram [2023-11-23 21:23:53,252 INFO L138 BoogieDeclarations]: Found implementation of procedure ff_reprogram [2023-11-23 21:23:53,253 INFO L130 BoogieDeclarations]: Found specification of procedure ff_writel [2023-11-23 21:23:53,253 INFO L138 BoogieDeclarations]: Found implementation of procedure ff_writel [2023-11-23 21:23:53,253 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-11-23 21:23:53,253 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2023-11-23 21:23:53,253 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-11-23 21:23:53,254 INFO L130 BoogieDeclarations]: Found specification of procedure ff_readl [2023-11-23 21:23:53,254 INFO L138 BoogieDeclarations]: Found implementation of procedure ff_readl [2023-11-23 21:23:53,254 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_error [2023-11-23 21:23:53,255 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_error [2023-11-23 21:23:53,255 INFO L130 BoogieDeclarations]: Found specification of procedure fmc_device_register_n [2023-11-23 21:23:53,255 INFO L138 BoogieDeclarations]: Found implementation of procedure fmc_device_register_n [2023-11-23 21:23:53,255 INFO L130 BoogieDeclarations]: Found specification of procedure request_firmware [2023-11-23 21:23:53,255 INFO L138 BoogieDeclarations]: Found implementation of procedure request_firmware [2023-11-23 21:23:53,255 INFO L130 BoogieDeclarations]: Found specification of procedure dev_warn [2023-11-23 21:23:53,256 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_warn [2023-11-23 21:23:53,256 INFO L130 BoogieDeclarations]: Found specification of procedure release_firmware [2023-11-23 21:23:53,256 INFO L138 BoogieDeclarations]: Found implementation of procedure release_firmware [2023-11-23 21:23:53,256 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2023-11-23 21:23:53,256 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2023-11-23 21:23:53,256 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-23 21:23:53,257 INFO L130 BoogieDeclarations]: Found specification of procedure ff_dev_create [2023-11-23 21:23:53,257 INFO L138 BoogieDeclarations]: Found implementation of procedure ff_dev_create [2023-11-23 21:23:53,257 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2023-11-23 21:23:53,257 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int [2023-11-23 21:23:53,257 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_zalloc [2023-11-23 21:23:53,257 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_zalloc [2023-11-23 21:23:53,257 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-23 21:23:53,258 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-23 21:23:53,258 INFO L130 BoogieDeclarations]: Found specification of procedure IS_ERR [2023-11-23 21:23:53,258 INFO L138 BoogieDeclarations]: Found implementation of procedure IS_ERR [2023-11-23 21:23:53,258 INFO L130 BoogieDeclarations]: Found specification of procedure ERR_PTR [2023-11-23 21:23:53,259 INFO L138 BoogieDeclarations]: Found implementation of procedure ERR_PTR [2023-11-23 21:23:53,615 INFO L241 CfgBuilder]: Building ICFG [2023-11-23 21:23:53,623 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-23 21:23:53,713 INFO L775 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stopFINAL: assume true; [2023-11-23 21:24:06,093 INFO L282 CfgBuilder]: Performing block encoding [2023-11-23 21:24:06,725 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-23 21:24:06,725 INFO L309 CfgBuilder]: Removed 0 assume(true) statements. [2023-11-23 21:24:06,727 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 09:24:06 BoogieIcfgContainer [2023-11-23 21:24:06,727 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-23 21:24:06,730 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-11-23 21:24:06,731 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-11-23 21:24:06,734 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-11-23 21:24:06,734 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 23.11 09:23:51" (1/3) ... [2023-11-23 21:24:06,735 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5f921270 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.11 09:24:06, skipping insertion in model container [2023-11-23 21:24:06,735 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:23:52" (2/3) ... [2023-11-23 21:24:06,737 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5f921270 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.11 09:24:06, skipping insertion in model container [2023-11-23 21:24:06,737 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 09:24:06" (3/3) ... [2023-11-23 21:24:06,739 INFO L112 eAbstractionObserver]: Analyzing ICFG 43_2a_consumption_linux-3.16-rc1.tar.xz-43_2a-drivers--fmc--fmc-fakedev.ko-entry_point.cil.out.i [2023-11-23 21:24:06,759 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-11-23 21:24:06,760 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2023-11-23 21:24:06,835 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-11-23 21:24:06,842 INFO L357 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, mHoare=true, 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;@6367cb3c, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-11-23 21:24:06,842 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2023-11-23 21:24:06,847 INFO L276 IsEmpty]: Start isEmpty. Operand has 236 states, 157 states have (on average 1.4394904458598725) internal successors, (226), 165 states have internal predecessors, (226), 57 states have call successors, (57), 21 states have call predecessors, (57), 20 states have return successors, (53), 53 states have call predecessors, (53), 53 states have call successors, (53) [2023-11-23 21:24:06,860 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 46 [2023-11-23 21:24:06,861 INFO L187 NwaCegarLoop]: Found error trace [2023-11-23 21:24:06,861 INFO L195 NwaCegarLoop]: trace histogram [5, 5, 5, 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] [2023-11-23 21:24:06,862 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-23 21:24:06,867 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-23 21:24:06,868 INFO L85 PathProgramCache]: Analyzing trace with hash -660413694, now seen corresponding path program 1 times [2023-11-23 21:24:06,878 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-11-23 21:24:06,878 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1569291622] [2023-11-23 21:24:06,878 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-23 21:24:06,879 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms