./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/ldv-challenges/linux-3.8-rc1-32_7a-drivers--media--dvb-frontends--stv090x.ko-ldv_main0_sequence_infinite_withcheck_stateful.cil.out.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 9bd2c7ff 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_c6ce21c2-177d-42a3-a42f-a96fd7e1f4e1/bin/utaipan-verify-t7M7D8N6sZ/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c6ce21c2-177d-42a3-a42f-a96fd7e1f4e1/bin/utaipan-verify-t7M7D8N6sZ/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c6ce21c2-177d-42a3-a42f-a96fd7e1f4e1/bin/utaipan-verify-t7M7D8N6sZ/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c6ce21c2-177d-42a3-a42f-a96fd7e1f4e1/bin/utaipan-verify-t7M7D8N6sZ/config/TaipanReach.xml -i ../../sv-benchmarks/c/ldv-challenges/linux-3.8-rc1-32_7a-drivers--media--dvb-frontends--stv090x.ko-ldv_main0_sequence_infinite_withcheck_stateful.cil.out.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c6ce21c2-177d-42a3-a42f-a96fd7e1f4e1/bin/utaipan-verify-t7M7D8N6sZ/config/svcomp-Reach-64bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c6ce21c2-177d-42a3-a42f-a96fd7e1f4e1/bin/utaipan-verify-t7M7D8N6sZ --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 83231938a54e9ae94bbb1bd48018cfe01091365ca5db88cfd1292dc620f78e56 --- Real Ultimate output --- This is Ultimate 0.2.3-dev-9bd2c7f [2023-11-19 05:05:38,453 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-19 05:05:38,547 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c6ce21c2-177d-42a3-a42f-a96fd7e1f4e1/bin/utaipan-verify-t7M7D8N6sZ/config/svcomp-Reach-64bit-Taipan_Default.epf [2023-11-19 05:05:38,553 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-19 05:05:38,554 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-11-19 05:05:38,580 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-19 05:05:38,581 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-11-19 05:05:38,582 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-11-19 05:05:38,586 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-19 05:05:38,587 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-11-19 05:05:38,588 INFO L153 SettingsManager]: * User list type=DISABLED [2023-11-19 05:05:38,589 INFO L151 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2023-11-19 05:05:38,589 INFO L153 SettingsManager]: * Explicit value domain=true [2023-11-19 05:05:38,592 INFO L153 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2023-11-19 05:05:38,592 INFO L153 SettingsManager]: * Octagon Domain=false [2023-11-19 05:05:38,593 INFO L153 SettingsManager]: * Abstract domain=CompoundDomain [2023-11-19 05:05:38,596 INFO L153 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2023-11-19 05:05:38,597 INFO L153 SettingsManager]: * Use the RCFG-of-the-future interface=true [2023-11-19 05:05:38,597 INFO L153 SettingsManager]: * Interval Domain=false [2023-11-19 05:05:38,598 INFO L151 SettingsManager]: Preferences of Sifa differ from their defaults: [2023-11-19 05:05:38,602 INFO L153 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2023-11-19 05:05:38,603 INFO L153 SettingsManager]: * Simplification Technique=POLY_PAC [2023-11-19 05:05:38,604 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-19 05:05:38,604 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-19 05:05:38,605 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-19 05:05:38,605 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-19 05:05:38,606 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-19 05:05:38,607 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-19 05:05:38,607 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-19 05:05:38,608 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-19 05:05:38,609 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-19 05:05:38,610 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-19 05:05:38,610 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-11-19 05:05:38,611 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-19 05:05:38,611 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-19 05:05:38,611 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-19 05:05:38,612 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-19 05:05:38,612 INFO L153 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2023-11-19 05:05:38,612 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-19 05:05:38,612 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-19 05:05:38,613 INFO L153 SettingsManager]: * Trace refinement exception blacklist=NONE [2023-11-19 05:05:38,613 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-19 05:05:38,614 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_c6ce21c2-177d-42a3-a42f-a96fd7e1f4e1/bin/utaipan-verify-t7M7D8N6sZ/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c6ce21c2-177d-42a3-a42f-a96fd7e1f4e1/bin/utaipan-verify-t7M7D8N6sZ Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 83231938a54e9ae94bbb1bd48018cfe01091365ca5db88cfd1292dc620f78e56 [2023-11-19 05:05:38,937 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-19 05:05:38,969 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-19 05:05:38,972 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-19 05:05:38,973 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-19 05:05:38,974 INFO L274 PluginConnector]: CDTParser initialized [2023-11-19 05:05:38,975 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c6ce21c2-177d-42a3-a42f-a96fd7e1f4e1/bin/utaipan-verify-t7M7D8N6sZ/../../sv-benchmarks/c/ldv-challenges/linux-3.8-rc1-32_7a-drivers--media--dvb-frontends--stv090x.ko-ldv_main0_sequence_infinite_withcheck_stateful.cil.out.i [2023-11-19 05:05:42,074 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-19 05:05:42,918 INFO L384 CDTParser]: Found 1 translation units. [2023-11-19 05:05:42,919 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c6ce21c2-177d-42a3-a42f-a96fd7e1f4e1/sv-benchmarks/c/ldv-challenges/linux-3.8-rc1-32_7a-drivers--media--dvb-frontends--stv090x.ko-ldv_main0_sequence_infinite_withcheck_stateful.cil.out.i [2023-11-19 05:05:42,984 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c6ce21c2-177d-42a3-a42f-a96fd7e1f4e1/bin/utaipan-verify-t7M7D8N6sZ/data/c2fc052dd/9240b3adc7e1461fae0bf5e5f6f688bd/FLAG1e9e7fae7 [2023-11-19 05:05:43,004 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c6ce21c2-177d-42a3-a42f-a96fd7e1f4e1/bin/utaipan-verify-t7M7D8N6sZ/data/c2fc052dd/9240b3adc7e1461fae0bf5e5f6f688bd [2023-11-19 05:05:43,010 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-19 05:05:43,012 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-19 05:05:43,018 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-19 05:05:43,018 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-19 05:05:43,028 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-19 05:05:43,031 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 05:05:43" (1/1) ... [2023-11-19 05:05:43,032 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5427c93d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:05:43, skipping insertion in model container [2023-11-19 05:05:43,032 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 05:05:43" (1/1) ... [2023-11-19 05:05:43,275 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-19 05:05:45,861 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_c6ce21c2-177d-42a3-a42f-a96fd7e1f4e1/sv-benchmarks/c/ldv-challenges/linux-3.8-rc1-32_7a-drivers--media--dvb-frontends--stv090x.ko-ldv_main0_sequence_infinite_withcheck_stateful.cil.out.i[419026,419039] [2023-11-19 05:05:45,984 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 05:05:46,054 INFO L202 MainTranslator]: Completed pre-run [2023-11-19 05:05:46,708 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_c6ce21c2-177d-42a3-a42f-a96fd7e1f4e1/sv-benchmarks/c/ldv-challenges/linux-3.8-rc1-32_7a-drivers--media--dvb-frontends--stv090x.ko-ldv_main0_sequence_infinite_withcheck_stateful.cil.out.i[419026,419039] [2023-11-19 05:05:46,728 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 05:05:46,919 INFO L206 MainTranslator]: Completed translation [2023-11-19 05:05:46,920 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:05:46 WrapperNode [2023-11-19 05:05:46,920 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-19 05:05:46,921 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-19 05:05:46,921 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-19 05:05:46,921 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-19 05:05:46,929 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:05:46" (1/1) ... [2023-11-19 05:05:47,161 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:05:46" (1/1) ... [2023-11-19 05:05:47,994 INFO L138 Inliner]: procedures = 170, calls = 7298, calls flagged for inlining = 68, calls inlined = 55, statements flattened = 18214 [2023-11-19 05:05:47,995 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-19 05:05:47,996 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-19 05:05:47,996 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-19 05:05:47,996 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-19 05:05:48,010 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:05:46" (1/1) ... [2023-11-19 05:05:48,010 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:05:46" (1/1) ... [2023-11-19 05:05:48,112 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:05:46" (1/1) ... [2023-11-19 05:05:48,113 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:05:46" (1/1) ... [2023-11-19 05:05:48,731 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:05:46" (1/1) ... [2023-11-19 05:05:48,819 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:05:46" (1/1) ... [2023-11-19 05:05:48,904 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:05:46" (1/1) ... [2023-11-19 05:05:48,966 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:05:46" (1/1) ... [2023-11-19 05:05:49,104 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-19 05:05:49,106 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-19 05:05:49,107 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-19 05:05:49,107 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-19 05:05:49,109 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:05:46" (1/1) ... [2023-11-19 05:05:49,117 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-19 05:05:49,133 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c6ce21c2-177d-42a3-a42f-a96fd7e1f4e1/bin/utaipan-verify-t7M7D8N6sZ/z3 [2023-11-19 05:05:49,153 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c6ce21c2-177d-42a3-a42f-a96fd7e1f4e1/bin/utaipan-verify-t7M7D8N6sZ/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2023-11-19 05:05:49,199 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c6ce21c2-177d-42a3-a42f-a96fd7e1f4e1/bin/utaipan-verify-t7M7D8N6sZ/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2023-11-19 05:05:49,224 INFO L130 BoogieDeclarations]: Found specification of procedure find_dev [2023-11-19 05:05:49,224 INFO L138 BoogieDeclarations]: Found implementation of procedure find_dev [2023-11-19 05:05:49,225 INFO L130 BoogieDeclarations]: Found specification of procedure stv090x_vitclk_ctl [2023-11-19 05:05:49,226 INFO L138 BoogieDeclarations]: Found implementation of procedure stv090x_vitclk_ctl [2023-11-19 05:05:49,227 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2023-11-19 05:05:49,227 INFO L130 BoogieDeclarations]: Found specification of procedure msleep [2023-11-19 05:05:49,227 INFO L138 BoogieDeclarations]: Found implementation of procedure msleep [2023-11-19 05:05:49,227 INFO L130 BoogieDeclarations]: Found specification of procedure stv090x_send_diseqc_burst [2023-11-19 05:05:49,228 INFO L138 BoogieDeclarations]: Found implementation of procedure stv090x_send_diseqc_burst [2023-11-19 05:05:49,230 INFO L130 BoogieDeclarations]: Found specification of procedure stv090x_i2c_gate_ctrl [2023-11-19 05:05:49,230 INFO L138 BoogieDeclarations]: Found implementation of procedure stv090x_i2c_gate_ctrl [2023-11-19 05:05:49,230 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2023-11-19 05:05:49,230 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2023-11-19 05:05:49,231 INFO L130 BoogieDeclarations]: Found specification of procedure stv090x_get_srate [2023-11-19 05:05:49,231 INFO L138 BoogieDeclarations]: Found implementation of procedure stv090x_get_srate [2023-11-19 05:05:49,231 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2023-11-19 05:05:49,231 INFO L130 BoogieDeclarations]: Found specification of procedure stv090x_read_per [2023-11-19 05:05:49,231 INFO L138 BoogieDeclarations]: Found implementation of procedure stv090x_read_per [2023-11-19 05:05:49,232 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_demod_lock_of_stv090x_internal [2023-11-19 05:05:49,232 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_demod_lock_of_stv090x_internal [2023-11-19 05:05:49,232 INFO L130 BoogieDeclarations]: Found specification of procedure stv090x_activate_modcod [2023-11-19 05:05:49,233 INFO L138 BoogieDeclarations]: Found implementation of procedure stv090x_activate_modcod [2023-11-19 05:05:49,233 INFO L130 BoogieDeclarations]: Found specification of procedure stv090x_dvbs_track_crl [2023-11-19 05:05:49,233 INFO L138 BoogieDeclarations]: Found implementation of procedure stv090x_dvbs_track_crl [2023-11-19 05:05:49,234 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2023-11-19 05:05:49,234 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree [2023-11-19 05:05:49,234 INFO L130 BoogieDeclarations]: Found specification of procedure stv090x_set_viterbi [2023-11-19 05:05:49,235 INFO L138 BoogieDeclarations]: Found implementation of procedure stv090x_set_viterbi [2023-11-19 05:05:49,236 INFO L130 BoogieDeclarations]: Found specification of procedure stv090x_read_signal_strength [2023-11-19 05:05:49,236 INFO L138 BoogieDeclarations]: Found implementation of procedure stv090x_read_signal_strength [2023-11-19 05:05:49,236 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-11-19 05:05:49,237 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_unlock [2023-11-19 05:05:49,237 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_unlock [2023-11-19 05:05:49,238 INFO L130 BoogieDeclarations]: Found specification of procedure stv090x_send_diseqc_msg [2023-11-19 05:05:49,238 INFO L138 BoogieDeclarations]: Found implementation of procedure stv090x_send_diseqc_msg [2023-11-19 05:05:49,238 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_error [2023-11-19 05:05:49,238 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_error [2023-11-19 05:05:49,239 INFO L130 BoogieDeclarations]: Found specification of procedure stv090x_set_vit_thacq [2023-11-19 05:05:49,240 INFO L138 BoogieDeclarations]: Found implementation of procedure stv090x_set_vit_thacq [2023-11-19 05:05:49,240 INFO L130 BoogieDeclarations]: Found specification of procedure stv090x_car_width [2023-11-19 05:05:49,240 INFO L138 BoogieDeclarations]: Found implementation of procedure stv090x_car_width [2023-11-19 05:05:49,240 INFO L130 BoogieDeclarations]: Found specification of procedure stv090x_recv_slave_reply [2023-11-19 05:05:49,240 INFO L138 BoogieDeclarations]: Found implementation of procedure stv090x_recv_slave_reply [2023-11-19 05:05:49,241 INFO L130 BoogieDeclarations]: Found specification of procedure i2c_transfer [2023-11-19 05:05:49,241 INFO L138 BoogieDeclarations]: Found implementation of procedure i2c_transfer [2023-11-19 05:05:49,241 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2023-11-19 05:05:49,241 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2023-11-19 05:05:49,241 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~~u32~0~TO~int [2023-11-19 05:05:49,242 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~~u32~0~TO~int [2023-11-19 05:05:49,242 INFO L130 BoogieDeclarations]: Found specification of procedure stv090x_init [2023-11-19 05:05:49,242 INFO L138 BoogieDeclarations]: Found implementation of procedure stv090x_init [2023-11-19 05:05:49,242 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_demod_lock_of_stv090x_internal [2023-11-19 05:05:49,242 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_demod_lock_of_stv090x_internal [2023-11-19 05:05:49,243 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_lock [2023-11-19 05:05:49,243 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_lock [2023-11-19 05:05:49,243 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~int~TO~VOID [2023-11-19 05:05:49,243 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~int~TO~VOID [2023-11-19 05:05:49,244 INFO L130 BoogieDeclarations]: Found specification of procedure stv090x_get_dmdlock [2023-11-19 05:05:49,244 INFO L138 BoogieDeclarations]: Found implementation of procedure stv090x_get_dmdlock [2023-11-19 05:05:49,244 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-19 05:05:49,244 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-11-19 05:05:49,245 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2023-11-19 05:05:49,245 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_tuner_lock_of_stv090x_internal [2023-11-19 05:05:49,245 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_tuner_lock_of_stv090x_internal [2023-11-19 05:05:49,246 INFO L130 BoogieDeclarations]: Found specification of procedure stv090x_sleep [2023-11-19 05:05:49,247 INFO L138 BoogieDeclarations]: Found implementation of procedure stv090x_sleep [2023-11-19 05:05:49,247 INFO L130 BoogieDeclarations]: Found specification of procedure stv090x_read_reg [2023-11-19 05:05:49,248 INFO L138 BoogieDeclarations]: Found implementation of procedure stv090x_read_reg [2023-11-19 05:05:49,248 INFO L130 BoogieDeclarations]: Found specification of procedure stv090x_chk_signal [2023-11-19 05:05:49,248 INFO L138 BoogieDeclarations]: Found implementation of procedure stv090x_chk_signal [2023-11-19 05:05:49,248 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~int [2023-11-19 05:05:49,248 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~int [2023-11-19 05:05:49,249 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2023-11-19 05:05:49,249 INFO L130 BoogieDeclarations]: Found specification of procedure comp2 [2023-11-19 05:05:49,249 INFO L138 BoogieDeclarations]: Found implementation of procedure comp2 [2023-11-19 05:05:49,250 INFO L130 BoogieDeclarations]: Found specification of procedure remove_dev [2023-11-19 05:05:49,250 INFO L138 BoogieDeclarations]: Found implementation of procedure remove_dev [2023-11-19 05:05:49,250 INFO L130 BoogieDeclarations]: Found specification of procedure stv090x_search [2023-11-19 05:05:49,250 INFO L138 BoogieDeclarations]: Found implementation of procedure stv090x_search [2023-11-19 05:05:49,250 INFO L130 BoogieDeclarations]: Found specification of procedure stv090x_write_reg [2023-11-19 05:05:49,251 INFO L138 BoogieDeclarations]: Found implementation of procedure stv090x_write_reg [2023-11-19 05:05:49,251 INFO L130 BoogieDeclarations]: Found specification of procedure stv090x_frontend_algo [2023-11-19 05:05:49,251 INFO L138 BoogieDeclarations]: Found implementation of procedure stv090x_frontend_algo [2023-11-19 05:05:49,251 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-11-19 05:05:49,251 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2023-11-19 05:05:49,252 INFO L130 BoogieDeclarations]: Found specification of procedure stv090x_read_status [2023-11-19 05:05:49,252 INFO L138 BoogieDeclarations]: Found implementation of procedure stv090x_read_status [2023-11-19 05:05:49,252 INFO L130 BoogieDeclarations]: Found specification of procedure printk [2023-11-19 05:05:49,253 INFO L138 BoogieDeclarations]: Found implementation of procedure printk [2023-11-19 05:05:49,253 INFO L130 BoogieDeclarations]: Found specification of procedure stv090x_set_vit_thtracq [2023-11-19 05:05:49,253 INFO L138 BoogieDeclarations]: Found implementation of procedure stv090x_set_vit_thtracq [2023-11-19 05:05:49,254 INFO L130 BoogieDeclarations]: Found specification of procedure stv090x_chk_tmg [2023-11-19 05:05:49,254 INFO L138 BoogieDeclarations]: Found implementation of procedure stv090x_chk_tmg [2023-11-19 05:05:49,254 INFO L130 BoogieDeclarations]: Found specification of procedure stv090x_read_cnr [2023-11-19 05:05:49,254 INFO L138 BoogieDeclarations]: Found implementation of procedure stv090x_read_cnr [2023-11-19 05:05:49,254 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~$Pointer$~TO~int [2023-11-19 05:05:49,255 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~$Pointer$~TO~int [2023-11-19 05:05:49,255 INFO L130 BoogieDeclarations]: Found specification of procedure stv090x_set_srate [2023-11-19 05:05:49,255 INFO L138 BoogieDeclarations]: Found implementation of procedure stv090x_set_srate [2023-11-19 05:05:49,255 INFO L130 BoogieDeclarations]: Found specification of procedure stv090x_activate_modcod_single [2023-11-19 05:05:49,255 INFO L138 BoogieDeclarations]: Found implementation of procedure stv090x_activate_modcod_single [2023-11-19 05:05:49,256 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-19 05:05:49,256 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_handler_precall [2023-11-19 05:05:49,256 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_handler_precall [2023-11-19 05:05:49,256 INFO L130 BoogieDeclarations]: Found specification of procedure stv090x_get_viterbi [2023-11-19 05:05:49,257 INFO L138 BoogieDeclarations]: Found implementation of procedure stv090x_get_viterbi [2023-11-19 05:05:49,257 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int [2023-11-19 05:05:49,257 INFO L130 BoogieDeclarations]: Found specification of procedure stv090x_get_mclk [2023-11-19 05:05:49,257 INFO L138 BoogieDeclarations]: Found implementation of procedure stv090x_get_mclk [2023-11-19 05:05:49,258 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-19 05:05:49,258 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-19 05:05:49,258 INFO L130 BoogieDeclarations]: Found specification of procedure stv090x_get_lock_tmg [2023-11-19 05:05:49,259 INFO L138 BoogieDeclarations]: Found implementation of procedure stv090x_get_lock_tmg [2023-11-19 05:05:50,851 INFO L236 CfgBuilder]: Building ICFG [2023-11-19 05:05:50,855 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-19 05:06:09,603 INFO L277 CfgBuilder]: Performing block encoding [2023-11-19 05:06:23,877 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-19 05:06:23,878 INFO L302 CfgBuilder]: Removed 0 assume(true) statements. [2023-11-19 05:06:23,909 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 05:06:23 BoogieIcfgContainer [2023-11-19 05:06:23,909 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-19 05:06:23,912 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-11-19 05:06:23,912 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-11-19 05:06:23,916 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-11-19 05:06:23,916 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 19.11 05:05:43" (1/3) ... [2023-11-19 05:06:23,917 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@264b01f0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.11 05:06:23, skipping insertion in model container [2023-11-19 05:06:23,917 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:05:46" (2/3) ... [2023-11-19 05:06:23,917 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@264b01f0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.11 05:06:23, skipping insertion in model container [2023-11-19 05:06:23,917 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 05:06:23" (3/3) ... [2023-11-19 05:06:23,919 INFO L112 eAbstractionObserver]: Analyzing ICFG linux-3.8-rc1-32_7a-drivers--media--dvb-frontends--stv090x.ko-ldv_main0_sequence_infinite_withcheck_stateful.cil.out.i [2023-11-19 05:06:23,939 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-11-19 05:06:23,939 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2023-11-19 05:06:24,086 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-11-19 05:06:24,094 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;@3b3ca18d, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-11-19 05:06:24,094 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2023-11-19 05:06:24,120 INFO L276 IsEmpty]: Start isEmpty. Operand has 5158 states, 3523 states have (on average 1.4445075219982968) internal successors, (5089), 3535 states have internal predecessors, (5089), 1584 states have call successors, (1584), 49 states have call predecessors, (1584), 49 states have return successors, (1584), 1583 states have call predecessors, (1584), 1584 states have call successors, (1584) [2023-11-19 05:06:24,127 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2023-11-19 05:06:24,128 INFO L187 NwaCegarLoop]: Found error trace [2023-11-19 05:06:24,129 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1] [2023-11-19 05:06:24,129 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-19 05:06:24,139 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 05:06:24,139 INFO L85 PathProgramCache]: Analyzing trace with hash 1373401080, now seen corresponding path program 1 times [2023-11-19 05:06:24,149 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-11-19 05:06:24,150 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1808730027] [2023-11-19 05:06:24,150 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 05:06:24,151 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 05:06:24,748 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat