./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 3a877d22 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.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 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 64bit --witnessprinter.graph.data.programhash 83231938a54e9ae94bbb1bd48018cfe01091365ca5db88cfd1292dc620f78e56 --- Real Ultimate output --- This is Ultimate 0.2.2-3a877d227dc491413fd706022d0c47cd97beb353-3a877d2 [2021-12-15 13:44:38,797 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-12-15 13:44:38,799 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-12-15 13:44:38,845 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-12-15 13:44:38,845 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-12-15 13:44:38,848 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-12-15 13:44:38,849 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-12-15 13:44:38,851 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-12-15 13:44:38,852 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-12-15 13:44:38,856 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-12-15 13:44:38,856 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-12-15 13:44:38,857 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-12-15 13:44:38,858 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-12-15 13:44:38,859 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-12-15 13:44:38,861 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-12-15 13:44:38,866 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-12-15 13:44:38,867 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-12-15 13:44:38,867 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-12-15 13:44:38,869 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-12-15 13:44:38,873 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-12-15 13:44:38,874 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-12-15 13:44:38,875 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-12-15 13:44:38,876 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-12-15 13:44:38,877 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-12-15 13:44:38,881 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-12-15 13:44:38,882 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-12-15 13:44:38,882 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-12-15 13:44:38,883 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-12-15 13:44:38,883 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-12-15 13:44:38,884 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-12-15 13:44:38,884 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-12-15 13:44:38,885 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-12-15 13:44:38,886 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-12-15 13:44:38,887 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-12-15 13:44:38,888 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-12-15 13:44:38,888 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-12-15 13:44:38,888 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-12-15 13:44:38,889 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-12-15 13:44:38,889 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-12-15 13:44:38,890 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-12-15 13:44:38,891 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-12-15 13:44:38,892 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Default.epf [2021-12-15 13:44:38,915 INFO L113 SettingsManager]: Loading preferences was successful [2021-12-15 13:44:38,915 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-12-15 13:44:38,915 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-12-15 13:44:38,916 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-12-15 13:44:38,916 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-12-15 13:44:38,916 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2021-12-15 13:44:38,917 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-12-15 13:44:38,917 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-12-15 13:44:38,917 INFO L138 SettingsManager]: * Use SBE=true [2021-12-15 13:44:38,917 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-12-15 13:44:38,918 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-12-15 13:44:38,918 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-12-15 13:44:38,918 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-12-15 13:44:38,918 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-12-15 13:44:38,919 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-12-15 13:44:38,919 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-12-15 13:44:38,919 INFO L138 SettingsManager]: * Use constant arrays=true [2021-12-15 13:44:38,919 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-12-15 13:44:38,919 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-12-15 13:44:38,919 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-12-15 13:44:38,919 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-12-15 13:44:38,920 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-12-15 13:44:38,920 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-12-15 13:44:38,920 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-12-15 13:44:38,920 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-12-15 13:44:38,920 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-12-15 13:44:38,920 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-12-15 13:44:38,921 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2021-12-15 13:44:38,921 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2021-12-15 13:44:38,921 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-12-15 13:44:38,921 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-12-15 13:44:38,921 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 83231938a54e9ae94bbb1bd48018cfe01091365ca5db88cfd1292dc620f78e56 [2021-12-15 13:44:39,100 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-12-15 13:44:39,115 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-12-15 13:44:39,118 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-12-15 13:44:39,118 INFO L271 PluginConnector]: Initializing CDTParser... [2021-12-15 13:44:39,119 INFO L275 PluginConnector]: CDTParser initialized [2021-12-15 13:44:39,120 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../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 [2021-12-15 13:44:39,189 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/b2f1cfc29/1d13c635d3c74232a3d99f7d8373264c/FLAG48aaf8931 [2021-12-15 13:44:39,964 INFO L306 CDTParser]: Found 1 translation units. [2021-12-15 13:44:39,965 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/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 [2021-12-15 13:44:40,009 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/b2f1cfc29/1d13c635d3c74232a3d99f7d8373264c/FLAG48aaf8931 [2021-12-15 13:44:40,143 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/b2f1cfc29/1d13c635d3c74232a3d99f7d8373264c [2021-12-15 13:44:40,145 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-12-15 13:44:40,148 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-12-15 13:44:40,149 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-12-15 13:44:40,149 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-12-15 13:44:40,152 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-12-15 13:44:40,153 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.12 01:44:40" (1/1) ... [2021-12-15 13:44:40,154 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@59e64343 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 01:44:40, skipping insertion in model container [2021-12-15 13:44:40,154 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.12 01:44:40" (1/1) ... [2021-12-15 13:44:40,159 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-12-15 13:44:40,288 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-12-15 13:44:41,656 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/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] [2021-12-15 13:44:41,722 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-12-15 13:44:41,787 INFO L203 MainTranslator]: Completed pre-run [2021-12-15 13:44:42,445 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/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] [2021-12-15 13:44:42,455 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-12-15 13:44:42,564 INFO L208 MainTranslator]: Completed translation [2021-12-15 13:44:42,565 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 01:44:42 WrapperNode [2021-12-15 13:44:42,566 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-12-15 13:44:42,567 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-12-15 13:44:42,567 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-12-15 13:44:42,567 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-12-15 13:44:42,578 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 01:44:42" (1/1) ... [2021-12-15 13:44:42,670 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 01:44:42" (1/1) ... [2021-12-15 13:44:42,953 INFO L137 Inliner]: procedures = 170, calls = 6771, calls flagged for inlining = 68, calls inlined = 55, statements flattened = 16522 [2021-12-15 13:44:42,954 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-12-15 13:44:42,954 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-12-15 13:44:42,954 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-12-15 13:44:42,954 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-12-15 13:44:42,960 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 01:44:42" (1/1) ... [2021-12-15 13:44:42,961 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 01:44:42" (1/1) ... [2021-12-15 13:44:43,022 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 01:44:42" (1/1) ... [2021-12-15 13:44:43,023 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 01:44:42" (1/1) ... [2021-12-15 13:44:43,265 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 01:44:42" (1/1) ... [2021-12-15 13:44:43,304 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 01:44:42" (1/1) ... [2021-12-15 13:44:43,334 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 01:44:42" (1/1) ... [2021-12-15 13:44:43,482 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-12-15 13:44:43,492 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-12-15 13:44:43,492 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-12-15 13:44:43,492 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-12-15 13:44:43,508 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 01:44:42" (1/1) ... [2021-12-15 13:44:43,514 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-12-15 13:44:43,522 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-15 13:44:43,605 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2021-12-15 13:44:43,666 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2021-12-15 13:44:43,688 INFO L130 BoogieDeclarations]: Found specification of procedure find_dev [2021-12-15 13:44:43,688 INFO L138 BoogieDeclarations]: Found implementation of procedure find_dev [2021-12-15 13:44:43,688 INFO L130 BoogieDeclarations]: Found specification of procedure stv090x_vitclk_ctl [2021-12-15 13:44:43,688 INFO L138 BoogieDeclarations]: Found implementation of procedure stv090x_vitclk_ctl [2021-12-15 13:44:43,688 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2021-12-15 13:44:43,689 INFO L130 BoogieDeclarations]: Found specification of procedure msleep [2021-12-15 13:44:43,689 INFO L138 BoogieDeclarations]: Found implementation of procedure msleep [2021-12-15 13:44:43,689 INFO L130 BoogieDeclarations]: Found specification of procedure stv090x_send_diseqc_burst [2021-12-15 13:44:43,689 INFO L138 BoogieDeclarations]: Found implementation of procedure stv090x_send_diseqc_burst [2021-12-15 13:44:43,689 INFO L130 BoogieDeclarations]: Found specification of procedure stv090x_i2c_gate_ctrl [2021-12-15 13:44:43,689 INFO L138 BoogieDeclarations]: Found implementation of procedure stv090x_i2c_gate_ctrl [2021-12-15 13:44:43,689 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2021-12-15 13:44:43,689 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2021-12-15 13:44:43,690 INFO L130 BoogieDeclarations]: Found specification of procedure stv090x_get_srate [2021-12-15 13:44:43,690 INFO L138 BoogieDeclarations]: Found implementation of procedure stv090x_get_srate [2021-12-15 13:44:43,690 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2021-12-15 13:44:43,690 INFO L130 BoogieDeclarations]: Found specification of procedure stv090x_read_per [2021-12-15 13:44:43,690 INFO L138 BoogieDeclarations]: Found implementation of procedure stv090x_read_per [2021-12-15 13:44:43,690 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_demod_lock_of_stv090x_internal [2021-12-15 13:44:43,690 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_demod_lock_of_stv090x_internal [2021-12-15 13:44:43,690 INFO L130 BoogieDeclarations]: Found specification of procedure stv090x_activate_modcod [2021-12-15 13:44:43,691 INFO L138 BoogieDeclarations]: Found implementation of procedure stv090x_activate_modcod [2021-12-15 13:44:43,691 INFO L130 BoogieDeclarations]: Found specification of procedure stv090x_dvbs_track_crl [2021-12-15 13:44:43,691 INFO L138 BoogieDeclarations]: Found implementation of procedure stv090x_dvbs_track_crl [2021-12-15 13:44:43,691 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2021-12-15 13:44:43,691 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree [2021-12-15 13:44:43,691 INFO L130 BoogieDeclarations]: Found specification of procedure stv090x_set_viterbi [2021-12-15 13:44:43,691 INFO L138 BoogieDeclarations]: Found implementation of procedure stv090x_set_viterbi [2021-12-15 13:44:43,691 INFO L130 BoogieDeclarations]: Found specification of procedure stv090x_read_signal_strength [2021-12-15 13:44:43,692 INFO L138 BoogieDeclarations]: Found implementation of procedure stv090x_read_signal_strength [2021-12-15 13:44:43,692 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-12-15 13:44:43,692 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_unlock [2021-12-15 13:44:43,692 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_unlock [2021-12-15 13:44:43,692 INFO L130 BoogieDeclarations]: Found specification of procedure stv090x_send_diseqc_msg [2021-12-15 13:44:43,692 INFO L138 BoogieDeclarations]: Found implementation of procedure stv090x_send_diseqc_msg [2021-12-15 13:44:43,692 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_error [2021-12-15 13:44:43,692 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_error [2021-12-15 13:44:43,693 INFO L130 BoogieDeclarations]: Found specification of procedure stv090x_set_vit_thacq [2021-12-15 13:44:43,693 INFO L138 BoogieDeclarations]: Found implementation of procedure stv090x_set_vit_thacq [2021-12-15 13:44:43,693 INFO L130 BoogieDeclarations]: Found specification of procedure stv090x_car_width [2021-12-15 13:44:43,693 INFO L138 BoogieDeclarations]: Found implementation of procedure stv090x_car_width [2021-12-15 13:44:43,693 INFO L130 BoogieDeclarations]: Found specification of procedure stv090x_recv_slave_reply [2021-12-15 13:44:43,694 INFO L138 BoogieDeclarations]: Found implementation of procedure stv090x_recv_slave_reply [2021-12-15 13:44:43,694 INFO L130 BoogieDeclarations]: Found specification of procedure i2c_transfer [2021-12-15 13:44:43,694 INFO L138 BoogieDeclarations]: Found implementation of procedure i2c_transfer [2021-12-15 13:44:43,694 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2021-12-15 13:44:43,694 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2021-12-15 13:44:43,694 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~~u32~0~TO~int [2021-12-15 13:44:43,695 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~~u32~0~TO~int [2021-12-15 13:44:43,695 INFO L130 BoogieDeclarations]: Found specification of procedure stv090x_init [2021-12-15 13:44:43,695 INFO L138 BoogieDeclarations]: Found implementation of procedure stv090x_init [2021-12-15 13:44:43,695 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_demod_lock_of_stv090x_internal [2021-12-15 13:44:43,695 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_demod_lock_of_stv090x_internal [2021-12-15 13:44:43,695 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_lock [2021-12-15 13:44:43,696 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_lock [2021-12-15 13:44:43,696 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~int~TO~VOID [2021-12-15 13:44:43,696 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~int~TO~VOID [2021-12-15 13:44:43,697 INFO L130 BoogieDeclarations]: Found specification of procedure stv090x_get_dmdlock [2021-12-15 13:44:43,697 INFO L138 BoogieDeclarations]: Found implementation of procedure stv090x_get_dmdlock [2021-12-15 13:44:43,697 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-12-15 13:44:43,697 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-12-15 13:44:43,697 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2021-12-15 13:44:43,697 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_tuner_lock_of_stv090x_internal [2021-12-15 13:44:43,698 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_tuner_lock_of_stv090x_internal [2021-12-15 13:44:43,698 INFO L130 BoogieDeclarations]: Found specification of procedure stv090x_sleep [2021-12-15 13:44:43,698 INFO L138 BoogieDeclarations]: Found implementation of procedure stv090x_sleep [2021-12-15 13:44:43,698 INFO L130 BoogieDeclarations]: Found specification of procedure stv090x_read_reg [2021-12-15 13:44:43,698 INFO L138 BoogieDeclarations]: Found implementation of procedure stv090x_read_reg [2021-12-15 13:44:43,698 INFO L130 BoogieDeclarations]: Found specification of procedure stv090x_chk_signal [2021-12-15 13:44:43,699 INFO L138 BoogieDeclarations]: Found implementation of procedure stv090x_chk_signal [2021-12-15 13:44:43,699 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~int [2021-12-15 13:44:43,699 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~int [2021-12-15 13:44:43,699 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2021-12-15 13:44:43,699 INFO L130 BoogieDeclarations]: Found specification of procedure comp2 [2021-12-15 13:44:43,699 INFO L138 BoogieDeclarations]: Found implementation of procedure comp2 [2021-12-15 13:44:43,699 INFO L130 BoogieDeclarations]: Found specification of procedure remove_dev [2021-12-15 13:44:43,699 INFO L138 BoogieDeclarations]: Found implementation of procedure remove_dev [2021-12-15 13:44:43,700 INFO L130 BoogieDeclarations]: Found specification of procedure stv090x_search [2021-12-15 13:44:43,700 INFO L138 BoogieDeclarations]: Found implementation of procedure stv090x_search [2021-12-15 13:44:43,700 INFO L130 BoogieDeclarations]: Found specification of procedure stv090x_write_reg [2021-12-15 13:44:43,700 INFO L138 BoogieDeclarations]: Found implementation of procedure stv090x_write_reg [2021-12-15 13:44:43,700 INFO L130 BoogieDeclarations]: Found specification of procedure stv090x_frontend_algo [2021-12-15 13:44:43,701 INFO L138 BoogieDeclarations]: Found implementation of procedure stv090x_frontend_algo [2021-12-15 13:44:43,701 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-12-15 13:44:43,701 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2021-12-15 13:44:43,701 INFO L130 BoogieDeclarations]: Found specification of procedure stv090x_read_status [2021-12-15 13:44:43,701 INFO L138 BoogieDeclarations]: Found implementation of procedure stv090x_read_status [2021-12-15 13:44:43,701 INFO L130 BoogieDeclarations]: Found specification of procedure stv090x_set_vit_thtracq [2021-12-15 13:44:43,702 INFO L138 BoogieDeclarations]: Found implementation of procedure stv090x_set_vit_thtracq [2021-12-15 13:44:43,702 INFO L130 BoogieDeclarations]: Found specification of procedure stv090x_chk_tmg [2021-12-15 13:44:43,702 INFO L138 BoogieDeclarations]: Found implementation of procedure stv090x_chk_tmg [2021-12-15 13:44:43,702 INFO L130 BoogieDeclarations]: Found specification of procedure stv090x_read_cnr [2021-12-15 13:44:43,702 INFO L138 BoogieDeclarations]: Found implementation of procedure stv090x_read_cnr [2021-12-15 13:44:43,702 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~$Pointer$~TO~int [2021-12-15 13:44:43,703 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~$Pointer$~TO~int [2021-12-15 13:44:43,703 INFO L130 BoogieDeclarations]: Found specification of procedure stv090x_set_srate [2021-12-15 13:44:43,703 INFO L138 BoogieDeclarations]: Found implementation of procedure stv090x_set_srate [2021-12-15 13:44:43,703 INFO L130 BoogieDeclarations]: Found specification of procedure stv090x_activate_modcod_single [2021-12-15 13:44:43,703 INFO L138 BoogieDeclarations]: Found implementation of procedure stv090x_activate_modcod_single [2021-12-15 13:44:43,704 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-12-15 13:44:43,704 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_handler_precall [2021-12-15 13:44:43,704 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_handler_precall [2021-12-15 13:44:43,705 INFO L130 BoogieDeclarations]: Found specification of procedure stv090x_get_viterbi [2021-12-15 13:44:43,705 INFO L138 BoogieDeclarations]: Found implementation of procedure stv090x_get_viterbi [2021-12-15 13:44:43,705 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int [2021-12-15 13:44:43,705 INFO L130 BoogieDeclarations]: Found specification of procedure stv090x_get_mclk [2021-12-15 13:44:43,705 INFO L138 BoogieDeclarations]: Found implementation of procedure stv090x_get_mclk [2021-12-15 13:44:43,705 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-12-15 13:44:43,705 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-12-15 13:44:43,706 INFO L130 BoogieDeclarations]: Found specification of procedure stv090x_get_lock_tmg [2021-12-15 13:44:43,706 INFO L138 BoogieDeclarations]: Found implementation of procedure stv090x_get_lock_tmg [2021-12-15 13:44:44,634 INFO L236 CfgBuilder]: Building ICFG [2021-12-15 13:44:44,637 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-12-15 13:44:53,363 INFO L277 CfgBuilder]: Performing block encoding [2021-12-15 13:44:53,388 INFO L296 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-12-15 13:44:53,388 INFO L301 CfgBuilder]: Removed 0 assume(true) statements. [2021-12-15 13:44:53,393 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.12 01:44:53 BoogieIcfgContainer [2021-12-15 13:44:53,393 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-12-15 13:44:53,395 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-12-15 13:44:53,397 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-12-15 13:44:53,400 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-12-15 13:44:53,400 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 15.12 01:44:40" (1/3) ... [2021-12-15 13:44:53,401 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7d4cfa and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 15.12 01:44:53, skipping insertion in model container [2021-12-15 13:44:53,401 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 01:44:42" (2/3) ... [2021-12-15 13:44:53,402 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7d4cfa and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 15.12 01:44:53, skipping insertion in model container [2021-12-15 13:44:53,402 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.12 01:44:53" (3/3) ... [2021-12-15 13:44:53,407 INFO L111 eAbstractionObserver]: Analyzing ICFG linux-3.8-rc1-32_7a-drivers--media--dvb-frontends--stv090x.ko-ldv_main0_sequence_infinite_withcheck_stateful.cil.out.i [2021-12-15 13:44:53,411 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-12-15 13:44:53,414 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2021-12-15 13:44:53,462 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-12-15 13:44:53,467 INFO L339 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=PETRI_NET, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopsAndPotentialCycles, 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, mLoopAccelerationTechnique=FAST_UPR [2021-12-15 13:44:53,468 INFO L340 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2021-12-15 13:44:53,535 INFO L276 IsEmpty]: Start isEmpty. Operand has 5322 states, 3979 states have (on average 1.5275194772555918) internal successors, (6078), 3991 states have internal predecessors, (6078), 1293 states have call successors, (1293), 48 states have call predecessors, (1293), 48 states have return successors, (1293), 1292 states have call predecessors, (1293), 1293 states have call successors, (1293) [2021-12-15 13:44:53,538 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2021-12-15 13:44:53,538 INFO L506 BasicCegarLoop]: Found error trace [2021-12-15 13:44:53,539 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1] [2021-12-15 13:44:53,539 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-15 13:44:53,542 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-15 13:44:53,543 INFO L85 PathProgramCache]: Analyzing trace with hash 715822238, now seen corresponding path program 1 times [2021-12-15 13:44:53,548 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-15 13:44:53,548 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1447733782] [2021-12-15 13:44:53,548 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-15 13:44:53,550 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-15 13:44:53,687 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-12-15 13:44:53,688 FATAL L? ?]: The Plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction has thrown an exception: java.lang.UnsupportedOperationException: Set is immutable at de.uni_freiburg.informatik.ultimate.util.datastructures.ImmutableSet.retainAll(ImmutableSet.java:338) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.UnmodifiableTransFormula.removeSuperfluousVars(UnmodifiableTransFormula.java:212) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaBuilder.finishConstruction(TransFormulaBuilder.java:273) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.OldVarsAssignmentCache.constructGlobalVarsAssignment(OldVarsAssignmentCache.java:155) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.OldVarsAssignmentCache.getGlobalVarsAssignment(OldVarsAssignmentCache.java:93) at de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.singletracecheck.DefaultTransFormulas.getGlobalVarAssignmentFromValidPos(DefaultTransFormulas.java:89) at de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.singletracecheck.DefaultTransFormulas.getGlobalVarAssignmentFromValidPos(DefaultTransFormulas.java:1) at de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.singletracecheck.NestedFormulas.getGlobalVarAssignment(NestedFormulas.java:126) at de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.singletracecheck.TraceCheckUtils.decoupleArrayValues(TraceCheckUtils.java:384) at de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.singletracecheck.InterpolatingTraceCheck.(InterpolatingTraceCheck.java:87) at de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.singletracecheck.InterpolatingTraceCheckCraig.(InterpolatingTraceCheckCraig.java:89) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.IpTcStrategyModuleCraig.construct(IpTcStrategyModuleCraig.java:79) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.IpTcStrategyModuleCraig.construct(IpTcStrategyModuleCraig.java:1) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.IpTcStrategyModuleBase.getOrConstruct(IpTcStrategyModuleBase.java:100) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.IpTcStrategyModuleBase.isCorrect(IpTcStrategyModuleBase.java:56) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.AutomatonFreeRefinementEngine.checkFeasibility(AutomatonFreeRefinementEngine.java:211) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.AutomatonFreeRefinementEngine.executeStrategy(AutomatonFreeRefinementEngine.java:124) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.AutomatonFreeRefinementEngine.(AutomatonFreeRefinementEngine.java:88) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.TraceAbstractionRefinementEngine.(TraceAbstractionRefinementEngine.java:76) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.BasicCegarLoop.isCounterexampleFeasible(BasicCegarLoop.java:610) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.AbstractCegarLoop.iterate(AbstractCegarLoop.java:413) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.AbstractCegarLoop.startCegar(AbstractCegarLoop.java:348) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.AbstractCegarLoop.runCegar(AbstractCegarLoop.java:330) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.CegarLoopUtils.getCegarLoopResult(CegarLoopUtils.java:56) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.executeCegarLoop(TraceAbstractionStarter.java:393) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.analyseProgram(TraceAbstractionStarter.java:303) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.analyseSequentialProgram(TraceAbstractionStarter.java:263) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.runCegarLoops(TraceAbstractionStarter.java:176) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.(TraceAbstractionStarter.java:155) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver.finish(TraceAbstractionObserver.java:123) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runObserver(PluginConnector.java:168) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runTool(PluginConnector.java:151) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.run(PluginConnector.java:128) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.executePluginConnector(ToolchainWalker.java:232) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.processPlugin(ToolchainWalker.java:226) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walkUnprotected(ToolchainWalker.java:142) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walk(ToolchainWalker.java:104) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainManager$Toolchain.processToolchain(ToolchainManager.java:320) at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.DefaultToolchainJob.run(DefaultToolchainJob.java:145) at org.eclipse.core.internal.jobs.Worker.run(Worker.java:63) [2021-12-15 13:44:53,695 INFO L158 Benchmark]: Toolchain (without parser) took 13546.48ms. Allocated memory was 109.1MB in the beginning and 1.2GB in the end (delta: 1.1GB). Free memory was 62.2MB in the beginning and 657.4MB in the end (delta: -595.1MB). Peak memory consumption was 526.7MB. Max. memory is 16.1GB. [2021-12-15 13:44:53,696 INFO L158 Benchmark]: CDTParser took 0.17ms. Allocated memory is still 109.1MB. Free memory is still 66.0MB. There was no memory consumed. Max. memory is 16.1GB. [2021-12-15 13:44:53,696 INFO L158 Benchmark]: CACSL2BoogieTranslator took 2416.77ms. Allocated memory was 109.1MB in the beginning and 268.4MB in the end (delta: 159.4MB). Free memory was 62.2MB in the beginning and 127.2MB in the end (delta: -65.0MB). Peak memory consumption was 122.6MB. Max. memory is 16.1GB. [2021-12-15 13:44:53,697 INFO L158 Benchmark]: Boogie Procedure Inliner took 386.53ms. Allocated memory is still 268.4MB. Free memory was 127.2MB in the beginning and 105.2MB in the end (delta: 22.0MB). Peak memory consumption was 49.3MB. Max. memory is 16.1GB. [2021-12-15 13:44:53,697 INFO L158 Benchmark]: Boogie Preprocessor took 536.62ms. Allocated memory was 268.4MB in the beginning and 620.8MB in the end (delta: 352.3MB). Free memory was 105.2MB in the beginning and 457.5MB in the end (delta: -352.3MB). Peak memory consumption was 76.5MB. Max. memory is 16.1GB. [2021-12-15 13:44:53,701 INFO L158 Benchmark]: RCFGBuilder took 9901.63ms. Allocated memory was 620.8MB in the beginning and 1.2GB in the end (delta: 610.3MB). Free memory was 456.5MB in the beginning and 708.7MB in the end (delta: -252.3MB). Peak memory consumption was 718.7MB. Max. memory is 16.1GB. [2021-12-15 13:44:53,702 INFO L158 Benchmark]: TraceAbstraction took 298.81ms. Allocated memory is still 1.2GB. Free memory was 708.7MB in the beginning and 657.4MB in the end (delta: 51.4MB). Peak memory consumption was 52.4MB. Max. memory is 16.1GB. [2021-12-15 13:44:53,705 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.17ms. Allocated memory is still 109.1MB. Free memory is still 66.0MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 2416.77ms. Allocated memory was 109.1MB in the beginning and 268.4MB in the end (delta: 159.4MB). Free memory was 62.2MB in the beginning and 127.2MB in the end (delta: -65.0MB). Peak memory consumption was 122.6MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 386.53ms. Allocated memory is still 268.4MB. Free memory was 127.2MB in the beginning and 105.2MB in the end (delta: 22.0MB). Peak memory consumption was 49.3MB. Max. memory is 16.1GB. * Boogie Preprocessor took 536.62ms. Allocated memory was 268.4MB in the beginning and 620.8MB in the end (delta: 352.3MB). Free memory was 105.2MB in the beginning and 457.5MB in the end (delta: -352.3MB). Peak memory consumption was 76.5MB. Max. memory is 16.1GB. * RCFGBuilder took 9901.63ms. Allocated memory was 620.8MB in the beginning and 1.2GB in the end (delta: 610.3MB). Free memory was 456.5MB in the beginning and 708.7MB in the end (delta: -252.3MB). Peak memory consumption was 718.7MB. Max. memory is 16.1GB. * TraceAbstraction took 298.81ms. Allocated memory is still 1.2GB. Free memory was 708.7MB in the beginning and 657.4MB in the end (delta: 51.4MB). Peak memory consumption was 52.4MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - ExceptionOrErrorResult: UnsupportedOperationException: Set is immutable de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: UnsupportedOperationException: Set is immutable: de.uni_freiburg.informatik.ultimate.util.datastructures.ImmutableSet.retainAll(ImmutableSet.java:338) RESULT: Ultimate could not prove your program: Toolchain returned no result. [2021-12-15 13:44:53,751 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis ### Bit-precise run ### Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.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 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 64bit --witnessprinter.graph.data.programhash 83231938a54e9ae94bbb1bd48018cfe01091365ca5db88cfd1292dc620f78e56 --- Real Ultimate output --- This is Ultimate 0.2.2-3a877d227dc491413fd706022d0c47cd97beb353-3a877d2 [2021-12-15 13:44:55,636 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-12-15 13:44:55,638 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-12-15 13:44:55,670 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-12-15 13:44:55,671 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-12-15 13:44:55,675 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-12-15 13:44:55,676 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-12-15 13:44:55,679 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-12-15 13:44:55,682 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-12-15 13:44:55,686 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-12-15 13:44:55,687 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-12-15 13:44:55,689 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-12-15 13:44:55,689 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-12-15 13:44:55,692 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-12-15 13:44:55,694 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-12-15 13:44:55,700 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-12-15 13:44:55,701 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-12-15 13:44:55,701 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-12-15 13:44:55,703 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-12-15 13:44:55,708 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-12-15 13:44:55,709 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-12-15 13:44:55,710 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-12-15 13:44:55,711 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-12-15 13:44:55,712 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-12-15 13:44:55,717 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-12-15 13:44:55,718 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-12-15 13:44:55,718 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-12-15 13:44:55,719 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-12-15 13:44:55,720 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-12-15 13:44:55,720 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-12-15 13:44:55,720 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-12-15 13:44:55,721 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-12-15 13:44:55,722 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-12-15 13:44:55,723 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-12-15 13:44:55,723 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-12-15 13:44:55,724 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-12-15 13:44:55,724 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-12-15 13:44:55,724 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-12-15 13:44:55,724 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-12-15 13:44:55,726 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-12-15 13:44:55,726 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-12-15 13:44:55,728 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Bitvector.epf [2021-12-15 13:44:55,766 INFO L113 SettingsManager]: Loading preferences was successful [2021-12-15 13:44:55,767 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-12-15 13:44:55,767 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-12-15 13:44:55,768 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-12-15 13:44:55,769 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-12-15 13:44:55,769 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2021-12-15 13:44:55,770 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-12-15 13:44:55,771 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-12-15 13:44:55,771 INFO L138 SettingsManager]: * Use SBE=true [2021-12-15 13:44:55,771 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-12-15 13:44:55,771 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-12-15 13:44:55,771 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-12-15 13:44:55,771 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-12-15 13:44:55,772 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-12-15 13:44:55,772 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2021-12-15 13:44:55,772 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2021-12-15 13:44:55,772 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2021-12-15 13:44:55,772 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-12-15 13:44:55,772 INFO L138 SettingsManager]: * Use constant arrays=true [2021-12-15 13:44:55,772 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-12-15 13:44:55,773 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-12-15 13:44:55,773 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-12-15 13:44:55,773 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-12-15 13:44:55,773 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-12-15 13:44:55,773 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-12-15 13:44:55,773 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-12-15 13:44:55,774 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-12-15 13:44:55,774 INFO L138 SettingsManager]: * Trace refinement strategy=WOLF [2021-12-15 13:44:55,774 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2021-12-15 13:44:55,774 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2021-12-15 13:44:55,774 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2021-12-15 13:44:55,774 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-12-15 13:44:55,774 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-12-15 13:44:55,775 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-12-15 13:44:55,775 INFO L138 SettingsManager]: * Logic for external solver=AUFBV WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 83231938a54e9ae94bbb1bd48018cfe01091365ca5db88cfd1292dc620f78e56 [2021-12-15 13:44:56,043 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-12-15 13:44:56,060 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-12-15 13:44:56,062 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-12-15 13:44:56,064 INFO L271 PluginConnector]: Initializing CDTParser... [2021-12-15 13:44:56,065 INFO L275 PluginConnector]: CDTParser initialized [2021-12-15 13:44:56,066 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../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 [2021-12-15 13:44:56,135 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/c6d0cfd4f/3832d67deab64a61974cddf7aaee814d/FLAG5ff3dec42 [2021-12-15 13:44:56,751 INFO L306 CDTParser]: Found 1 translation units. [2021-12-15 13:44:56,751 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/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 [2021-12-15 13:44:56,788 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/c6d0cfd4f/3832d67deab64a61974cddf7aaee814d/FLAG5ff3dec42 [2021-12-15 13:44:56,876 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/c6d0cfd4f/3832d67deab64a61974cddf7aaee814d [2021-12-15 13:44:56,879 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-12-15 13:44:56,880 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-12-15 13:44:56,892 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-12-15 13:44:56,892 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-12-15 13:44:56,897 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-12-15 13:44:56,897 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.12 01:44:56" (1/1) ... [2021-12-15 13:44:56,905 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4ad4816b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 01:44:56, skipping insertion in model container [2021-12-15 13:44:56,905 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.12 01:44:56" (1/1) ... [2021-12-15 13:44:56,910 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-12-15 13:44:57,148 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-12-15 13:44:58,920 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/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] [2021-12-15 13:44:59,045 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-12-15 13:44:59,109 INFO L200 MainTranslator]: Restarting translation with changed settings: SettingsChange [mNewPreferredMemoryModel=HoenickeLindenmann_1ByteResolution] [2021-12-15 13:44:59,178 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-12-15 13:44:59,521 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/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] [2021-12-15 13:44:59,532 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-12-15 13:44:59,564 INFO L203 MainTranslator]: Completed pre-run [2021-12-15 13:44:59,907 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/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] [2021-12-15 13:44:59,915 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-12-15 13:45:00,022 INFO L208 MainTranslator]: Completed translation [2021-12-15 13:45:00,024 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 01:45:00 WrapperNode [2021-12-15 13:45:00,024 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-12-15 13:45:00,025 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-12-15 13:45:00,025 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-12-15 13:45:00,025 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-12-15 13:45:00,029 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 01:45:00" (1/1) ... [2021-12-15 13:45:00,171 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 01:45:00" (1/1) ... [2021-12-15 13:45:00,370 INFO L137 Inliner]: procedures = 180, calls = 6771, calls flagged for inlining = 68, calls inlined = 55, statements flattened = 15594 [2021-12-15 13:45:00,370 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-12-15 13:45:00,371 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-12-15 13:45:00,371 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-12-15 13:45:00,371 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-12-15 13:45:00,378 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 01:45:00" (1/1) ... [2021-12-15 13:45:00,378 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 01:45:00" (1/1) ... [2021-12-15 13:45:00,523 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 01:45:00" (1/1) ... [2021-12-15 13:45:00,523 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 01:45:00" (1/1) ... [2021-12-15 13:45:00,660 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 01:45:00" (1/1) ... [2021-12-15 13:45:00,690 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 01:45:00" (1/1) ... [2021-12-15 13:45:00,727 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 01:45:00" (1/1) ... [2021-12-15 13:45:00,787 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-12-15 13:45:00,788 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-12-15 13:45:00,788 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-12-15 13:45:00,788 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-12-15 13:45:00,789 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 01:45:00" (1/1) ... [2021-12-15 13:45:00,793 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-12-15 13:45:00,800 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-15 13:45:00,810 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2021-12-15 13:45:00,842 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2021-12-15 13:45:00,849 INFO L130 BoogieDeclarations]: Found specification of procedure find_dev [2021-12-15 13:45:00,849 INFO L138 BoogieDeclarations]: Found implementation of procedure find_dev [2021-12-15 13:45:00,850 INFO L130 BoogieDeclarations]: Found specification of procedure stv090x_vitclk_ctl [2021-12-15 13:45:00,850 INFO L138 BoogieDeclarations]: Found implementation of procedure stv090x_vitclk_ctl [2021-12-15 13:45:00,850 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1 [2021-12-15 13:45:00,850 INFO L130 BoogieDeclarations]: Found specification of procedure msleep [2021-12-15 13:45:00,850 INFO L138 BoogieDeclarations]: Found implementation of procedure msleep [2021-12-15 13:45:00,850 INFO L130 BoogieDeclarations]: Found specification of procedure stv090x_send_diseqc_burst [2021-12-15 13:45:00,850 INFO L138 BoogieDeclarations]: Found implementation of procedure stv090x_send_diseqc_burst [2021-12-15 13:45:00,850 INFO L130 BoogieDeclarations]: Found specification of procedure stv090x_i2c_gate_ctrl [2021-12-15 13:45:00,850 INFO L138 BoogieDeclarations]: Found implementation of procedure stv090x_i2c_gate_ctrl [2021-12-15 13:45:00,850 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2021-12-15 13:45:00,850 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2021-12-15 13:45:00,850 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2021-12-15 13:45:00,850 INFO L130 BoogieDeclarations]: Found specification of procedure stv090x_get_srate [2021-12-15 13:45:00,850 INFO L138 BoogieDeclarations]: Found implementation of procedure stv090x_get_srate [2021-12-15 13:45:00,850 INFO L130 BoogieDeclarations]: Found specification of procedure stv090x_read_per [2021-12-15 13:45:00,851 INFO L138 BoogieDeclarations]: Found implementation of procedure stv090x_read_per [2021-12-15 13:45:00,851 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_demod_lock_of_stv090x_internal [2021-12-15 13:45:00,851 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_demod_lock_of_stv090x_internal [2021-12-15 13:45:00,851 INFO L130 BoogieDeclarations]: Found specification of procedure stv090x_activate_modcod [2021-12-15 13:45:00,851 INFO L138 BoogieDeclarations]: Found implementation of procedure stv090x_activate_modcod [2021-12-15 13:45:00,851 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~C_INT [2021-12-15 13:45:00,851 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~C_INT [2021-12-15 13:45:00,851 INFO L130 BoogieDeclarations]: Found specification of procedure stv090x_dvbs_track_crl [2021-12-15 13:45:00,851 INFO L138 BoogieDeclarations]: Found implementation of procedure stv090x_dvbs_track_crl [2021-12-15 13:45:00,851 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2021-12-15 13:45:00,851 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree [2021-12-15 13:45:00,851 INFO L130 BoogieDeclarations]: Found specification of procedure stv090x_set_viterbi [2021-12-15 13:45:00,851 INFO L138 BoogieDeclarations]: Found implementation of procedure stv090x_set_viterbi [2021-12-15 13:45:00,851 INFO L130 BoogieDeclarations]: Found specification of procedure stv090x_read_signal_strength [2021-12-15 13:45:00,852 INFO L138 BoogieDeclarations]: Found implementation of procedure stv090x_read_signal_strength [2021-12-15 13:45:00,852 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_unlock [2021-12-15 13:45:00,852 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_unlock [2021-12-15 13:45:00,852 INFO L130 BoogieDeclarations]: Found specification of procedure stv090x_send_diseqc_msg [2021-12-15 13:45:00,852 INFO L138 BoogieDeclarations]: Found implementation of procedure stv090x_send_diseqc_msg [2021-12-15 13:45:00,852 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~~u32~0~TO~C_INT [2021-12-15 13:45:00,852 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~~u32~0~TO~C_INT [2021-12-15 13:45:00,852 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_error [2021-12-15 13:45:00,852 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_error [2021-12-15 13:45:00,852 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE4 [2021-12-15 13:45:00,852 INFO L130 BoogieDeclarations]: Found specification of procedure stv090x_set_vit_thacq [2021-12-15 13:45:00,852 INFO L138 BoogieDeclarations]: Found implementation of procedure stv090x_set_vit_thacq [2021-12-15 13:45:00,852 INFO L130 BoogieDeclarations]: Found specification of procedure stv090x_car_width [2021-12-15 13:45:00,852 INFO L138 BoogieDeclarations]: Found implementation of procedure stv090x_car_width [2021-12-15 13:45:00,852 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE2 [2021-12-15 13:45:00,853 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE1 [2021-12-15 13:45:00,853 INFO L130 BoogieDeclarations]: Found specification of procedure stv090x_recv_slave_reply [2021-12-15 13:45:00,853 INFO L138 BoogieDeclarations]: Found implementation of procedure stv090x_recv_slave_reply [2021-12-15 13:45:00,853 INFO L130 BoogieDeclarations]: Found specification of procedure i2c_transfer [2021-12-15 13:45:00,853 INFO L138 BoogieDeclarations]: Found implementation of procedure i2c_transfer [2021-12-15 13:45:00,853 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~$Pointer$~TO~C_INT [2021-12-15 13:45:00,853 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~$Pointer$~TO~C_INT [2021-12-15 13:45:00,853 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2021-12-15 13:45:00,853 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2021-12-15 13:45:00,853 INFO L130 BoogieDeclarations]: Found specification of procedure stv090x_init [2021-12-15 13:45:00,853 INFO L138 BoogieDeclarations]: Found implementation of procedure stv090x_init [2021-12-15 13:45:00,853 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_demod_lock_of_stv090x_internal [2021-12-15 13:45:00,853 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_demod_lock_of_stv090x_internal [2021-12-15 13:45:00,853 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_lock [2021-12-15 13:45:00,854 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_lock [2021-12-15 13:45:00,854 INFO L130 BoogieDeclarations]: Found specification of procedure stv090x_get_dmdlock [2021-12-15 13:45:00,854 INFO L138 BoogieDeclarations]: Found implementation of procedure stv090x_get_dmdlock [2021-12-15 13:45:00,854 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-12-15 13:45:00,854 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-12-15 13:45:00,854 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2021-12-15 13:45:00,854 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_tuner_lock_of_stv090x_internal [2021-12-15 13:45:00,854 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_tuner_lock_of_stv090x_internal [2021-12-15 13:45:00,854 INFO L130 BoogieDeclarations]: Found specification of procedure stv090x_sleep [2021-12-15 13:45:00,854 INFO L138 BoogieDeclarations]: Found implementation of procedure stv090x_sleep [2021-12-15 13:45:00,854 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~C_INT~TO~VOID [2021-12-15 13:45:00,854 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~C_INT~TO~VOID [2021-12-15 13:45:00,854 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE2 [2021-12-15 13:45:00,854 INFO L130 BoogieDeclarations]: Found specification of procedure stv090x_read_reg [2021-12-15 13:45:00,854 INFO L138 BoogieDeclarations]: Found implementation of procedure stv090x_read_reg [2021-12-15 13:45:00,855 INFO L130 BoogieDeclarations]: Found specification of procedure stv090x_chk_signal [2021-12-15 13:45:00,855 INFO L138 BoogieDeclarations]: Found implementation of procedure stv090x_chk_signal [2021-12-15 13:45:00,855 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE4 [2021-12-15 13:45:00,855 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2021-12-15 13:45:00,855 INFO L130 BoogieDeclarations]: Found specification of procedure comp2 [2021-12-15 13:45:00,855 INFO L138 BoogieDeclarations]: Found implementation of procedure comp2 [2021-12-15 13:45:00,855 INFO L130 BoogieDeclarations]: Found specification of procedure remove_dev [2021-12-15 13:45:00,855 INFO L138 BoogieDeclarations]: Found implementation of procedure remove_dev [2021-12-15 13:45:00,855 INFO L130 BoogieDeclarations]: Found specification of procedure stv090x_search [2021-12-15 13:45:00,855 INFO L138 BoogieDeclarations]: Found implementation of procedure stv090x_search [2021-12-15 13:45:00,855 INFO L130 BoogieDeclarations]: Found specification of procedure stv090x_write_reg [2021-12-15 13:45:00,855 INFO L138 BoogieDeclarations]: Found implementation of procedure stv090x_write_reg [2021-12-15 13:45:00,855 INFO L130 BoogieDeclarations]: Found specification of procedure stv090x_frontend_algo [2021-12-15 13:45:00,855 INFO L138 BoogieDeclarations]: Found implementation of procedure stv090x_frontend_algo [2021-12-15 13:45:00,855 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE1 [2021-12-15 13:45:00,856 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE2 [2021-12-15 13:45:00,856 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2021-12-15 13:45:00,856 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-12-15 13:45:00,856 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2021-12-15 13:45:00,856 INFO L130 BoogieDeclarations]: Found specification of procedure stv090x_read_status [2021-12-15 13:45:00,856 INFO L138 BoogieDeclarations]: Found implementation of procedure stv090x_read_status [2021-12-15 13:45:00,856 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE2 [2021-12-15 13:45:00,856 INFO L130 BoogieDeclarations]: Found specification of procedure stv090x_set_vit_thtracq [2021-12-15 13:45:00,856 INFO L138 BoogieDeclarations]: Found implementation of procedure stv090x_set_vit_thtracq [2021-12-15 13:45:00,856 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2021-12-15 13:45:00,856 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE4 [2021-12-15 13:45:00,856 INFO L130 BoogieDeclarations]: Found specification of procedure stv090x_chk_tmg [2021-12-15 13:45:00,856 INFO L138 BoogieDeclarations]: Found implementation of procedure stv090x_chk_tmg [2021-12-15 13:45:00,856 INFO L130 BoogieDeclarations]: Found specification of procedure stv090x_read_cnr [2021-12-15 13:45:00,856 INFO L138 BoogieDeclarations]: Found implementation of procedure stv090x_read_cnr [2021-12-15 13:45:00,856 INFO L130 BoogieDeclarations]: Found specification of procedure stv090x_set_srate [2021-12-15 13:45:00,857 INFO L138 BoogieDeclarations]: Found implementation of procedure stv090x_set_srate [2021-12-15 13:45:00,857 INFO L130 BoogieDeclarations]: Found specification of procedure stv090x_activate_modcod_single [2021-12-15 13:45:00,857 INFO L138 BoogieDeclarations]: Found implementation of procedure stv090x_activate_modcod_single [2021-12-15 13:45:00,857 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE1 [2021-12-15 13:45:00,857 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_handler_precall [2021-12-15 13:45:00,857 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_handler_precall [2021-12-15 13:45:00,857 INFO L130 BoogieDeclarations]: Found specification of procedure stv090x_get_viterbi [2021-12-15 13:45:00,857 INFO L138 BoogieDeclarations]: Found implementation of procedure stv090x_get_viterbi [2021-12-15 13:45:00,857 INFO L130 BoogieDeclarations]: Found specification of procedure stv090x_get_mclk [2021-12-15 13:45:00,857 INFO L138 BoogieDeclarations]: Found implementation of procedure stv090x_get_mclk [2021-12-15 13:45:00,857 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-12-15 13:45:00,857 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-12-15 13:45:00,857 INFO L130 BoogieDeclarations]: Found specification of procedure stv090x_get_lock_tmg [2021-12-15 13:45:00,857 INFO L138 BoogieDeclarations]: Found implementation of procedure stv090x_get_lock_tmg [2021-12-15 13:45:01,919 INFO L236 CfgBuilder]: Building ICFG [2021-12-15 13:45:01,921 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-12-15 13:45:39,627 INFO L277 CfgBuilder]: Performing block encoding [2021-12-15 13:45:39,655 INFO L296 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-12-15 13:45:39,655 INFO L301 CfgBuilder]: Removed 0 assume(true) statements. [2021-12-15 13:45:39,661 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.12 01:45:39 BoogieIcfgContainer [2021-12-15 13:45:39,661 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-12-15 13:45:39,664 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-12-15 13:45:39,664 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-12-15 13:45:39,667 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-12-15 13:45:39,667 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 15.12 01:44:56" (1/3) ... [2021-12-15 13:45:39,667 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@234eb56d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 15.12 01:45:39, skipping insertion in model container [2021-12-15 13:45:39,667 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 01:45:00" (2/3) ... [2021-12-15 13:45:39,668 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@234eb56d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 15.12 01:45:39, skipping insertion in model container [2021-12-15 13:45:39,668 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.12 01:45:39" (3/3) ... [2021-12-15 13:45:39,669 INFO L111 eAbstractionObserver]: Analyzing ICFG linux-3.8-rc1-32_7a-drivers--media--dvb-frontends--stv090x.ko-ldv_main0_sequence_infinite_withcheck_stateful.cil.out.i [2021-12-15 13:45:39,673 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-12-15 13:45:39,673 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2021-12-15 13:45:39,736 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-12-15 13:45:39,742 INFO L339 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=PETRI_NET, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopsAndPotentialCycles, 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, mLoopAccelerationTechnique=FAST_UPR [2021-12-15 13:45:39,743 INFO L340 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2021-12-15 13:45:39,824 INFO L276 IsEmpty]: Start isEmpty. Operand has 5322 states, 3979 states have (on average 1.5275194772555918) internal successors, (6078), 3991 states have internal predecessors, (6078), 1293 states have call successors, (1293), 48 states have call predecessors, (1293), 48 states have return successors, (1293), 1292 states have call predecessors, (1293), 1293 states have call successors, (1293) [2021-12-15 13:45:39,827 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2021-12-15 13:45:39,827 INFO L506 BasicCegarLoop]: Found error trace [2021-12-15 13:45:39,828 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1] [2021-12-15 13:45:39,828 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-15 13:45:39,831 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-15 13:45:39,832 INFO L85 PathProgramCache]: Analyzing trace with hash 715822242, now seen corresponding path program 1 times [2021-12-15 13:45:39,846 INFO L121 FreeRefinementEngine]: Executing refinement strategy WOLF [2021-12-15 13:45:39,847 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1287016149] [2021-12-15 13:45:39,847 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-15 13:45:39,847 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-12-15 13:45:39,848 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2021-12-15 13:45:39,875 INFO L229 MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-12-15 13:45:39,882 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (2)] Waiting until timeout for monitored process [2021-12-15 13:45:40,496 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (2)] Forceful destruction successful, exit code 0 [2021-12-15 13:45:40,671 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 [2021-12-15 13:45:40,672 FATAL L? ?]: The Plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction has thrown an exception: java.lang.UnsupportedOperationException: Set is immutable at de.uni_freiburg.informatik.ultimate.util.datastructures.ImmutableSet.retainAll(ImmutableSet.java:338) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.UnmodifiableTransFormula.removeSuperfluousVars(UnmodifiableTransFormula.java:212) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaBuilder.finishConstruction(TransFormulaBuilder.java:273) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.OldVarsAssignmentCache.constructGlobalVarsAssignment(OldVarsAssignmentCache.java:155) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.OldVarsAssignmentCache.getGlobalVarsAssignment(OldVarsAssignmentCache.java:93) at de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.singletracecheck.DefaultTransFormulas.getGlobalVarAssignmentFromValidPos(DefaultTransFormulas.java:89) at de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.singletracecheck.DefaultTransFormulas.getGlobalVarAssignmentFromValidPos(DefaultTransFormulas.java:1) at de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.singletracecheck.NestedFormulas.getGlobalVarAssignment(NestedFormulas.java:126) at de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.singletracecheck.TraceCheckUtils.decoupleArrayValues(TraceCheckUtils.java:384) at de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.singletracecheck.InterpolatingTraceCheck.(InterpolatingTraceCheck.java:87) at de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.singletracecheck.TraceCheckSpWp.(TraceCheckSpWp.java:132) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.IpTcStrategyModuleSpWp.construct(IpTcStrategyModuleSpWp.java:108) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.IpTcStrategyModuleSpWp.construct(IpTcStrategyModuleSpWp.java:1) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.IpTcStrategyModuleBase.getOrConstruct(IpTcStrategyModuleBase.java:100) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.IpTcStrategyModuleBase.isCorrect(IpTcStrategyModuleBase.java:56) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.AutomatonFreeRefinementEngine.checkFeasibility(AutomatonFreeRefinementEngine.java:211) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.AutomatonFreeRefinementEngine.executeStrategy(AutomatonFreeRefinementEngine.java:124) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.AutomatonFreeRefinementEngine.(AutomatonFreeRefinementEngine.java:88) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.TraceAbstractionRefinementEngine.(TraceAbstractionRefinementEngine.java:76) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.BasicCegarLoop.isCounterexampleFeasible(BasicCegarLoop.java:610) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.AbstractCegarLoop.iterate(AbstractCegarLoop.java:413) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.AbstractCegarLoop.startCegar(AbstractCegarLoop.java:348) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.AbstractCegarLoop.runCegar(AbstractCegarLoop.java:330) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.CegarLoopUtils.getCegarLoopResult(CegarLoopUtils.java:56) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.executeCegarLoop(TraceAbstractionStarter.java:393) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.analyseProgram(TraceAbstractionStarter.java:303) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.analyseSequentialProgram(TraceAbstractionStarter.java:263) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.runCegarLoops(TraceAbstractionStarter.java:176) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.(TraceAbstractionStarter.java:155) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver.finish(TraceAbstractionObserver.java:123) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runObserver(PluginConnector.java:168) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runTool(PluginConnector.java:151) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.run(PluginConnector.java:128) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.executePluginConnector(ToolchainWalker.java:232) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.processPlugin(ToolchainWalker.java:226) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walkUnprotected(ToolchainWalker.java:142) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walk(ToolchainWalker.java:104) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainManager$Toolchain.processToolchain(ToolchainManager.java:320) at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.DefaultToolchainJob.run(DefaultToolchainJob.java:145) at org.eclipse.core.internal.jobs.Worker.run(Worker.java:63) [2021-12-15 13:45:40,678 INFO L158 Benchmark]: Toolchain (without parser) took 43797.09ms. Allocated memory was 86.0MB in the beginning and 1.0GB in the end (delta: 945.8MB). Free memory was 60.4MB in the beginning and 595.9MB in the end (delta: -535.5MB). Peak memory consumption was 410.2MB. Max. memory is 16.1GB. [2021-12-15 13:45:40,679 INFO L158 Benchmark]: CDTParser took 0.22ms. Allocated memory is still 54.5MB. Free memory was 36.4MB in the beginning and 36.4MB in the end (delta: 45.2kB). There was no memory consumed. Max. memory is 16.1GB. [2021-12-15 13:45:40,680 INFO L158 Benchmark]: CACSL2BoogieTranslator took 3132.52ms. Allocated memory was 86.0MB in the beginning and 272.6MB in the end (delta: 186.6MB). Free memory was 60.3MB in the beginning and 155.0MB in the end (delta: -94.7MB). Peak memory consumption was 180.6MB. Max. memory is 16.1GB. [2021-12-15 13:45:40,680 INFO L158 Benchmark]: Boogie Procedure Inliner took 345.45ms. Allocated memory is still 272.6MB. Free memory was 155.0MB in the beginning and 83.4MB in the end (delta: 71.6MB). Peak memory consumption was 71.3MB. Max. memory is 16.1GB. [2021-12-15 13:45:40,684 INFO L158 Benchmark]: Boogie Preprocessor took 416.39ms. Allocated memory was 272.6MB in the beginning and 515.9MB in the end (delta: 243.3MB). Free memory was 83.4MB in the beginning and 302.3MB in the end (delta: -218.9MB). Peak memory consumption was 34.6MB. Max. memory is 16.1GB. [2021-12-15 13:45:40,685 INFO L158 Benchmark]: RCFGBuilder took 38873.72ms. Allocated memory was 515.9MB in the beginning and 1.0GB in the end (delta: 515.9MB). Free memory was 302.3MB in the beginning and 679.8MB in the end (delta: -377.5MB). Peak memory consumption was 599.8MB. Max. memory is 16.1GB. [2021-12-15 13:45:40,685 INFO L158 Benchmark]: TraceAbstraction took 1012.65ms. Allocated memory is still 1.0GB. Free memory was 678.7MB in the beginning and 595.9MB in the end (delta: 82.8MB). Peak memory consumption was 81.8MB. Max. memory is 16.1GB. [2021-12-15 13:45:40,690 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.22ms. Allocated memory is still 54.5MB. Free memory was 36.4MB in the beginning and 36.4MB in the end (delta: 45.2kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 3132.52ms. Allocated memory was 86.0MB in the beginning and 272.6MB in the end (delta: 186.6MB). Free memory was 60.3MB in the beginning and 155.0MB in the end (delta: -94.7MB). Peak memory consumption was 180.6MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 345.45ms. Allocated memory is still 272.6MB. Free memory was 155.0MB in the beginning and 83.4MB in the end (delta: 71.6MB). Peak memory consumption was 71.3MB. Max. memory is 16.1GB. * Boogie Preprocessor took 416.39ms. Allocated memory was 272.6MB in the beginning and 515.9MB in the end (delta: 243.3MB). Free memory was 83.4MB in the beginning and 302.3MB in the end (delta: -218.9MB). Peak memory consumption was 34.6MB. Max. memory is 16.1GB. * RCFGBuilder took 38873.72ms. Allocated memory was 515.9MB in the beginning and 1.0GB in the end (delta: 515.9MB). Free memory was 302.3MB in the beginning and 679.8MB in the end (delta: -377.5MB). Peak memory consumption was 599.8MB. Max. memory is 16.1GB. * TraceAbstraction took 1012.65ms. Allocated memory is still 1.0GB. Free memory was 678.7MB in the beginning and 595.9MB in the end (delta: 82.8MB). Peak memory consumption was 81.8MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - ExceptionOrErrorResult: UnsupportedOperationException: Set is immutable de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: UnsupportedOperationException: Set is immutable: de.uni_freiburg.informatik.ultimate.util.datastructures.ImmutableSet.retainAll(ImmutableSet.java:338) RESULT: Ultimate could not prove your program: Toolchain returned no result. [2021-12-15 13:45:40,761 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: ERROR: ExceptionOrErrorResult: UnsupportedOperationException: Set is immutable