/usr/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata ./data -tc ../../../trunk/examples/toolchains/AutomizerC.xml --traceabstraction.trace.refinement.strategy FIXED_PREFERENCES --traceabstraction.compute.interpolants.along.a.counterexample Craig_NestedInterpolation --traceabstraction.smt.solver Internal_SMTInterpol --traceabstraction.compute.trace.for.counterexample.result false --rcfgbuilder.size.of.a.code.block SequenceOfStatements --traceabstraction.use.minimal.unsat.core.enumeration true --traceabstraction.additional.smt.options produce-proofs=true --traceabstraction.additional.smt.options produce-unsat-cores=true --traceabstraction.additional.smt.options enumeration-timeout=5000 --traceabstraction.additional.smt.options interpolation-heuristic=SMALLESTAMONGWIDE --traceabstraction.additional.smt.options tolerance=0.3 --traceabstraction.additional.smt.options log-additional-information=true --traceabstraction.additional.smt.options unknown-allowed=true -s ../../../trunk/examples/settings/default/automizer/svcomp-Reach-64bit-Automizer_Default.epf language data_model -i ../../../trunk/examples/svcomp/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-08_1a-drivers--media--usb--em28xx--em28xx-dvb.ko-entry_point.cil.out.i -------------------------------------------------------------------------------- This is Ultimate 0.2.0-0f64333 [2020-10-29 20:15:15,317 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-10-29 20:15:15,321 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-10-29 20:15:15,377 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-10-29 20:15:15,378 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-10-29 20:15:15,385 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-10-29 20:15:15,388 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-10-29 20:15:15,392 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-10-29 20:15:15,395 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-10-29 20:15:15,401 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-10-29 20:15:15,403 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-10-29 20:15:15,404 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-10-29 20:15:15,404 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-10-29 20:15:15,407 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-10-29 20:15:15,409 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-10-29 20:15:15,411 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-10-29 20:15:15,412 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-10-29 20:15:15,415 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-10-29 20:15:15,425 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-10-29 20:15:15,430 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-10-29 20:15:15,431 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-10-29 20:15:15,433 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-10-29 20:15:15,434 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-10-29 20:15:15,436 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-10-29 20:15:15,448 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-10-29 20:15:15,449 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-10-29 20:15:15,449 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-10-29 20:15:15,451 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-10-29 20:15:15,451 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-10-29 20:15:15,452 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... 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[2020-10-29 20:15:15,459 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-10-29 20:15:15,460 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-10-29 20:15:15,460 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-10-29 20:15:15,467 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/default/automizer/svcomp-Reach-64bit-Automizer_Default.epf [2020-10-29 20:15:15,515 INFO L113 SettingsManager]: Loading preferences was successful [2020-10-29 20:15:15,515 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-10-29 20:15:15,519 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-10-29 20:15:15,519 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-10-29 20:15:15,519 INFO L138 SettingsManager]: * Use SBE=true [2020-10-29 20:15:15,520 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-10-29 20:15:15,520 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-10-29 20:15:15,520 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-10-29 20:15:15,520 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-10-29 20:15:15,520 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-10-29 20:15:15,521 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-10-29 20:15:15,522 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-10-29 20:15:15,522 INFO L138 SettingsManager]: * Use constant arrays=true [2020-10-29 20:15:15,522 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-10-29 20:15:15,522 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-10-29 20:15:15,522 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-10-29 20:15:15,522 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-10-29 20:15:15,523 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-10-29 20:15:15,523 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-10-29 20:15:15,523 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-10-29 20:15:15,523 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-10-29 20:15:15,523 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-10-29 20:15:15,524 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-10-29 20:15:15,524 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-10-29 20:15:15,524 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-10-29 20:15:15,524 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-10-29 20:15:15,524 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2020-10-29 20:15:15,524 INFO L138 SettingsManager]: * To the following directory=dump/ 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-2/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Trace refinement strategy -> FIXED_PREFERENCES Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute Interpolants along a Counterexample -> Craig_NestedInterpolation Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: SMT solver -> Internal_SMTInterpol Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute trace for counterexample result -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder: Size of a code block -> SequenceOfStatements Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Use minimal unsat core enumeration -> true Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=5000;interpolation-heuristic=SMALLESTAMONGWIDE;tolerance=0.3;log-additional-information=true;unknown-allowed=true; [2020-10-29 20:15:15,893 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-10-29 20:15:15,926 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-10-29 20:15:15,929 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-10-29 20:15:15,931 INFO L271 PluginConnector]: Initializing CDTParser... [2020-10-29 20:15:15,932 INFO L275 PluginConnector]: CDTParser initialized [2020-10-29 20:15:15,933 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-08_1a-drivers--media--usb--em28xx--em28xx-dvb.ko-entry_point.cil.out.i [2020-10-29 20:15:16,015 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/5b9a4ccfb/dea3f1137c264b5494985ef107c6c44f/FLAG0bb0c5b29 [2020-10-29 20:15:17,249 INFO L306 CDTParser]: Found 1 translation units. [2020-10-29 20:15:17,250 INFO L160 CDTParser]: Scanning /storage/repos/ultimate-2/trunk/examples/svcomp/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-08_1a-drivers--media--usb--em28xx--em28xx-dvb.ko-entry_point.cil.out.i [2020-10-29 20:15:17,309 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/5b9a4ccfb/dea3f1137c264b5494985ef107c6c44f/FLAG0bb0c5b29 [2020-10-29 20:15:17,565 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/5b9a4ccfb/dea3f1137c264b5494985ef107c6c44f [2020-10-29 20:15:17,571 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-10-29 20:15:17,580 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-10-29 20:15:17,584 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-10-29 20:15:17,584 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-10-29 20:15:17,588 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-10-29 20:15:17,589 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 29.10 08:15:17" (1/1) ... [2020-10-29 20:15:17,595 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@ff25136 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 08:15:17, skipping insertion in model container [2020-10-29 20:15:17,595 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 29.10 08:15:17" (1/1) ... [2020-10-29 20:15:17,604 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-10-29 20:15:17,823 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-10-29 20:15:18,417 WARN L1207 CHandler]: Detected problem Invalid redeclaration of the name match at C: (*match)(struct device * , struct v4l2_async_subdev * ) [4492] [2020-10-29 20:15:19,983 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-29 20:15:20,027 INFO L203 MainTranslator]: Completed pre-run [2020-10-29 20:15:20,121 WARN L1207 CHandler]: Detected problem Invalid redeclaration of the name match at C: (*match)(struct device * , struct v4l2_async_subdev * ) [4492] [2020-10-29 20:15:20,691 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-29 20:15:20,904 INFO L208 MainTranslator]: Completed translation [2020-10-29 20:15:20,905 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 08:15:20 WrapperNode [2020-10-29 20:15:20,905 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-10-29 20:15:20,907 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-10-29 20:15:20,907 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-10-29 20:15:20,907 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-10-29 20:15:20,921 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 08:15:20" (1/1) ... [2020-10-29 20:15:20,923 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 08:15:20" (1/1) ... [2020-10-29 20:15:21,045 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 08:15:20" (1/1) ... [2020-10-29 20:15:21,045 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 08:15:20" (1/1) ... [2020-10-29 20:15:21,252 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 08:15:20" (1/1) ... [2020-10-29 20:15:21,290 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 08:15:20" (1/1) ... [2020-10-29 20:15:21,351 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 08:15:20" (1/1) ... [2020-10-29 20:15:21,388 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-10-29 20:15:21,390 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-10-29 20:15:21,390 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-10-29 20:15:21,390 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-10-29 20:15:21,391 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 08:15:20" (1/1) ... No working directory specified, using /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-10-29 20:15:21,472 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-10-29 20:15:21,472 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-10-29 20:15:21,473 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~VOID [2020-10-29 20:15:21,473 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~$Pointer$~X~int~TO~int [2020-10-29 20:15:21,473 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~int~TO~int [2020-10-29 20:15:21,473 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~$Pointer$~TO~$Pointer$ [2020-10-29 20:15:21,473 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~$Pointer$~TO~int [2020-10-29 20:15:21,474 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~$Pointer$~X~$Pointer$~TO~$Pointer$ [2020-10-29 20:15:21,474 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~$Pointer$~X~~u8~0~X~int~TO~$Pointer$ [2020-10-29 20:15:21,474 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~$Pointer$~X~$Pointer$~X~$Pointer$~TO~$Pointer$ [2020-10-29 20:15:21,475 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~$Pointer$~X~~u8~0~TO~$Pointer$ [2020-10-29 20:15:21,475 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~~u8~0~X~$Pointer$~X~$Pointer$~TO~$Pointer$ [2020-10-29 20:15:21,475 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~$Pointer$ [2020-10-29 20:15:21,475 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error [2020-10-29 20:15:21,475 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_sub_and_test [2020-10-29 20:15:21,476 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_add_return [2020-10-29 20:15:21,476 INFO L138 BoogieDeclarations]: Found implementation of procedure kref_get [2020-10-29 20:15:21,477 INFO L138 BoogieDeclarations]: Found implementation of procedure kref_sub [2020-10-29 20:15:21,477 INFO L138 BoogieDeclarations]: Found implementation of procedure kref_put [2020-10-29 20:15:21,477 INFO L138 BoogieDeclarations]: Found implementation of procedure __kmalloc [2020-10-29 20:15:21,477 INFO L138 BoogieDeclarations]: Found implementation of procedure kmalloc [2020-10-29 20:15:21,477 INFO L138 BoogieDeclarations]: Found implementation of procedure kzalloc [2020-10-29 20:15:21,477 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2020-10-29 20:15:21,477 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2020-10-29 20:15:21,478 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_zalloc [2020-10-29 20:15:21,478 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_init_zalloc [2020-10-29 20:15:21,478 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_memset [2020-10-29 20:15:21,478 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undef_int [2020-10-29 20:15:21,478 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undef_ulong [2020-10-29 20:15:21,478 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2020-10-29 20:15:21,478 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2020-10-29 20:15:21,478 INFO L138 BoogieDeclarations]: Found implementation of procedure sema_init [2020-10-29 20:15:21,479 INFO L138 BoogieDeclarations]: Found implementation of procedure mt352_write [2020-10-29 20:15:21,479 INFO L138 BoogieDeclarations]: Found implementation of procedure print_err_status [2020-10-29 20:15:21,479 INFO L138 BoogieDeclarations]: Found implementation of procedure em28xx_dvb_urb_data_copy [2020-10-29 20:15:21,479 INFO L138 BoogieDeclarations]: Found implementation of procedure em28xx_start_streaming [2020-10-29 20:15:21,479 INFO L138 BoogieDeclarations]: Found implementation of procedure em28xx_stop_streaming [2020-10-29 20:15:21,479 INFO L138 BoogieDeclarations]: Found implementation of procedure em28xx_start_feed [2020-10-29 20:15:21,480 INFO L138 BoogieDeclarations]: Found implementation of procedure em28xx_stop_feed [2020-10-29 20:15:21,480 INFO L138 BoogieDeclarations]: Found implementation of procedure em28xx_dvb_bus_ctrl [2020-10-29 20:15:21,480 INFO L138 BoogieDeclarations]: Found implementation of procedure drxk_gate_ctrl [2020-10-29 20:15:21,480 INFO L138 BoogieDeclarations]: Found implementation of procedure hauppauge_hvr930c_init [2020-10-29 20:15:21,480 INFO L138 BoogieDeclarations]: Found implementation of procedure terratec_h5_init [2020-10-29 20:15:21,480 INFO L138 BoogieDeclarations]: Found implementation of procedure terratec_htc_stick_init [2020-10-29 20:15:21,480 INFO L138 BoogieDeclarations]: Found implementation of procedure terratec_htc_usb_xs_init [2020-10-29 20:15:21,481 INFO L138 BoogieDeclarations]: Found implementation of procedure pctv_520e_init [2020-10-29 20:15:21,481 INFO L138 BoogieDeclarations]: Found implementation of procedure em28xx_pctv_290e_set_lna [2020-10-29 20:15:21,481 INFO L138 BoogieDeclarations]: Found implementation of procedure em28xx_pctv_292e_set_lna [2020-10-29 20:15:21,481 INFO L138 BoogieDeclarations]: Found implementation of procedure em28xx_mt352_terratec_xs_init [2020-10-29 20:15:21,481 INFO L138 BoogieDeclarations]: Found implementation of procedure em28xx_attach_xc3028 [2020-10-29 20:15:21,481 INFO L138 BoogieDeclarations]: Found implementation of procedure em28xx_register_dvb [2020-10-29 20:15:21,481 INFO L138 BoogieDeclarations]: Found implementation of procedure em28xx_unregister_dvb [2020-10-29 20:15:21,482 INFO L138 BoogieDeclarations]: Found implementation of procedure em28xx_dvb_init [2020-10-29 20:15:21,482 INFO L138 BoogieDeclarations]: Found implementation of procedure prevent_sleep [2020-10-29 20:15:21,482 INFO L138 BoogieDeclarations]: Found implementation of procedure em28xx_dvb_fini [2020-10-29 20:15:21,483 INFO L138 BoogieDeclarations]: Found implementation of procedure em28xx_dvb_suspend [2020-10-29 20:15:21,483 INFO L138 BoogieDeclarations]: Found implementation of procedure em28xx_dvb_resume [2020-10-29 20:15:21,483 INFO L138 BoogieDeclarations]: Found implementation of procedure em28xx_dvb_register [2020-10-29 20:15:21,484 INFO L138 BoogieDeclarations]: Found implementation of procedure em28xx_dvb_unregister [2020-10-29 20:15:21,484 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_initialize_em28xx_ops_1 [2020-10-29 20:15:21,484 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-10-29 20:15:21,484 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_try_module_get_5 [2020-10-29 20:15:21,484 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_module_put_6 [2020-10-29 20:15:21,484 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_try_module_get_7 [2020-10-29 20:15:21,484 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_module_put_8 [2020-10-29 20:15:21,485 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_try_module_get_9 [2020-10-29 20:15:21,485 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_try_module_get_10 [2020-10-29 20:15:21,485 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_module_put_11 [2020-10-29 20:15:21,485 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_try_module_get_12 [2020-10-29 20:15:21,485 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_module_put_13 [2020-10-29 20:15:21,486 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_module_put_14 [2020-10-29 20:15:21,486 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_module_put_15 [2020-10-29 20:15:21,487 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_try_module_get_16 [2020-10-29 20:15:21,487 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_module_put_17 [2020-10-29 20:15:21,487 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_module_put_18 [2020-10-29 20:15:21,487 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_try_module_get_19 [2020-10-29 20:15:21,488 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_module_put_20 [2020-10-29 20:15:21,488 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_try_module_get_21 [2020-10-29 20:15:21,488 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_module_put_22 [2020-10-29 20:15:21,488 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_try_module_get_23 [2020-10-29 20:15:21,489 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_module_put_24 [2020-10-29 20:15:21,490 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_try_module_get_25 [2020-10-29 20:15:21,490 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_module_put_26 [2020-10-29 20:15:21,490 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_module_put_27 [2020-10-29 20:15:21,490 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_module_put_28 [2020-10-29 20:15:21,490 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_module_put_29 [2020-10-29 20:15:21,490 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_error [2020-10-29 20:15:21,491 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_is_err [2020-10-29 20:15:21,491 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_err_ptr [2020-10-29 20:15:21,491 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_ptr_err [2020-10-29 20:15:21,491 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_is_err_or_null [2020-10-29 20:15:21,491 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_module_get [2020-10-29 20:15:21,491 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_try_module_get [2020-10-29 20:15:21,491 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_module_put [2020-10-29 20:15:21,491 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_module_put_and_exit [2020-10-29 20:15:21,492 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_module_refcount [2020-10-29 20:15:21,492 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_final_state [2020-10-29 20:15:21,492 INFO L138 BoogieDeclarations]: Found implementation of procedure __const_udelay [2020-10-29 20:15:21,492 INFO L138 BoogieDeclarations]: Found implementation of procedure __mutex_init [2020-10-29 20:15:21,492 INFO L138 BoogieDeclarations]: Found implementation of procedure __request_module [2020-10-29 20:15:21,492 INFO L138 BoogieDeclarations]: Found implementation of procedure __symbol_get [2020-10-29 20:15:21,492 INFO L138 BoogieDeclarations]: Found implementation of procedure __symbol_put [2020-10-29 20:15:21,492 INFO L138 BoogieDeclarations]: Found implementation of procedure down [2020-10-29 20:15:21,493 INFO L138 BoogieDeclarations]: Found implementation of procedure dvb_dmx_init [2020-10-29 20:15:21,493 INFO L138 BoogieDeclarations]: Found implementation of procedure dvb_dmx_release [2020-10-29 20:15:21,493 INFO L138 BoogieDeclarations]: Found implementation of procedure dvb_dmx_swfilter [2020-10-29 20:15:21,493 INFO L138 BoogieDeclarations]: Found implementation of procedure dvb_dmxdev_init [2020-10-29 20:15:21,494 INFO L138 BoogieDeclarations]: Found implementation of procedure dvb_dmxdev_release [2020-10-29 20:15:21,494 INFO L138 BoogieDeclarations]: Found implementation of procedure dvb_frontend_detach [2020-10-29 20:15:21,494 INFO L138 BoogieDeclarations]: Found implementation of procedure dvb_frontend_resume [2020-10-29 20:15:21,494 INFO L138 BoogieDeclarations]: Found implementation of procedure dvb_frontend_suspend [2020-10-29 20:15:21,495 INFO L138 BoogieDeclarations]: Found implementation of procedure dvb_net_init [2020-10-29 20:15:21,495 INFO L138 BoogieDeclarations]: Found implementation of procedure dvb_net_release [2020-10-29 20:15:21,495 INFO L138 BoogieDeclarations]: Found implementation of procedure dvb_register_adapter [2020-10-29 20:15:21,496 INFO L138 BoogieDeclarations]: Found implementation of procedure dvb_register_frontend [2020-10-29 20:15:21,496 INFO L138 BoogieDeclarations]: Found implementation of procedure dvb_unregister_adapter [2020-10-29 20:15:21,497 INFO L138 BoogieDeclarations]: Found implementation of procedure dvb_unregister_frontend [2020-10-29 20:15:21,497 INFO L138 BoogieDeclarations]: Found implementation of procedure em28xx_alloc_urbs [2020-10-29 20:15:21,497 INFO L138 BoogieDeclarations]: Found implementation of procedure em28xx_gpio_set [2020-10-29 20:15:21,497 INFO L138 BoogieDeclarations]: Found implementation of procedure em28xx_init_usb_xfer [2020-10-29 20:15:21,498 INFO L138 BoogieDeclarations]: Found implementation of procedure em28xx_register_extension [2020-10-29 20:15:21,498 INFO L138 BoogieDeclarations]: Found implementation of procedure em28xx_set_mode [2020-10-29 20:15:21,498 INFO L138 BoogieDeclarations]: Found implementation of procedure em28xx_setup_xc3028 [2020-10-29 20:15:21,498 INFO L138 BoogieDeclarations]: Found implementation of procedure em28xx_stop_urbs [2020-10-29 20:15:21,498 INFO L138 BoogieDeclarations]: Found implementation of procedure em28xx_uninit_usb_xfer [2020-10-29 20:15:21,498 INFO L138 BoogieDeclarations]: Found implementation of procedure em28xx_unregister_extension [2020-10-29 20:15:21,498 INFO L138 BoogieDeclarations]: Found implementation of procedure em28xx_write_reg [2020-10-29 20:15:21,499 INFO L138 BoogieDeclarations]: Found implementation of procedure em28xx_write_reg_bits [2020-10-29 20:15:21,499 INFO L138 BoogieDeclarations]: Found implementation of procedure gpio_free [2020-10-29 20:15:21,499 INFO L138 BoogieDeclarations]: Found implementation of procedure gpio_request_one [2020-10-29 20:15:21,500 INFO L138 BoogieDeclarations]: Found implementation of procedure i2c_master_send [2020-10-29 20:15:21,501 INFO L138 BoogieDeclarations]: Found implementation of procedure i2c_new_device [2020-10-29 20:15:21,504 INFO L138 BoogieDeclarations]: Found implementation of procedure i2c_unregister_device [2020-10-29 20:15:21,504 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_bind_1 [2020-10-29 20:15:21,504 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_disconnect_1 [2020-10-29 20:15:21,505 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_initialize [2020-10-29 20:15:21,505 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_release_1 [2020-10-29 20:15:21,507 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_start_1 [2020-10-29 20:15:21,507 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop_1 [2020-10-29 20:15:21,508 INFO L138 BoogieDeclarations]: Found implementation of procedure lockdep_init_map [2020-10-29 20:15:21,508 INFO L138 BoogieDeclarations]: Found implementation of procedure msleep [2020-10-29 20:15:21,508 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_lock_nested [2020-10-29 20:15:21,508 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_unlock [2020-10-29 20:15:21,513 INFO L138 BoogieDeclarations]: Found implementation of procedure printk [2020-10-29 20:15:21,514 INFO L138 BoogieDeclarations]: Found implementation of procedure strlcpy [2020-10-29 20:15:21,514 INFO L138 BoogieDeclarations]: Found implementation of procedure up [2020-10-29 20:15:21,514 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_set_interface [2020-10-29 20:15:21,514 INFO L138 BoogieDeclarations]: Found implementation of procedure warn_slowpath_null [2020-10-29 20:15:21,514 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree [2020-10-29 20:15:21,515 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2020-10-29 20:15:21,515 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.meminit [2020-10-29 20:15:21,515 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2020-10-29 20:15:21,515 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2020-10-29 20:15:21,515 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_perror_fail [2020-10-29 20:15:21,515 INFO L130 BoogieDeclarations]: Found specification of procedure __assert [2020-10-29 20:15:21,515 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error [2020-10-29 20:15:21,515 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-10-29 20:15:21,516 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2020-10-29 20:15:21,516 INFO L130 BoogieDeclarations]: Found specification of procedure printk [2020-10-29 20:15:21,516 INFO L130 BoogieDeclarations]: Found specification of procedure warn_slowpath_null [2020-10-29 20:15:21,516 INFO L130 BoogieDeclarations]: Found specification of procedure memset [2020-10-29 20:15:21,516 INFO L130 BoogieDeclarations]: Found specification of procedure strlcpy [2020-10-29 20:15:21,517 INFO L130 BoogieDeclarations]: Found specification of procedure __xadd_wrong_size [2020-10-29 20:15:21,517 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_sub_and_test [2020-10-29 20:15:21,517 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_add_return [2020-10-29 20:15:21,517 INFO L130 BoogieDeclarations]: Found specification of procedure lockdep_init_map [2020-10-29 20:15:21,517 INFO L130 BoogieDeclarations]: Found specification of procedure __mutex_init [2020-10-29 20:15:21,517 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_lock_nested [2020-10-29 20:15:21,517 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_unlock [2020-10-29 20:15:21,517 INFO L130 BoogieDeclarations]: Found specification of procedure __request_module [2020-10-29 20:15:21,517 INFO L130 BoogieDeclarations]: Found specification of procedure kref_get [2020-10-29 20:15:21,518 INFO L130 BoogieDeclarations]: Found specification of procedure kref_sub [2020-10-29 20:15:21,518 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~VOID [2020-10-29 20:15:21,518 INFO L130 BoogieDeclarations]: Found specification of procedure kref_put [2020-10-29 20:15:21,518 INFO L130 BoogieDeclarations]: Found specification of procedure __symbol_get [2020-10-29 20:15:21,518 INFO L130 BoogieDeclarations]: Found specification of procedure __symbol_put [2020-10-29 20:15:21,518 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_try_module_get_5 [2020-10-29 20:15:21,518 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_try_module_get_7 [2020-10-29 20:15:21,518 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_try_module_get_9 [2020-10-29 20:15:21,518 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_try_module_get_10 [2020-10-29 20:15:21,519 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_try_module_get_12 [2020-10-29 20:15:21,519 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_try_module_get_16 [2020-10-29 20:15:21,519 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_try_module_get_19 [2020-10-29 20:15:21,519 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_try_module_get_21 [2020-10-29 20:15:21,519 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_try_module_get_23 [2020-10-29 20:15:21,519 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_try_module_get_25 [2020-10-29 20:15:21,519 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_module_put_6 [2020-10-29 20:15:21,519 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_module_put_8 [2020-10-29 20:15:21,519 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_module_put_11 [2020-10-29 20:15:21,520 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_module_put_13 [2020-10-29 20:15:21,520 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_module_put_14 [2020-10-29 20:15:21,520 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_module_put_15 [2020-10-29 20:15:21,520 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_module_put_17 [2020-10-29 20:15:21,520 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_module_put_18 [2020-10-29 20:15:21,520 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_module_put_20 [2020-10-29 20:15:21,520 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_module_put_22 [2020-10-29 20:15:21,520 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_module_put_24 [2020-10-29 20:15:21,520 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_module_put_26 [2020-10-29 20:15:21,520 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_module_put_27 [2020-10-29 20:15:21,521 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_module_put_28 [2020-10-29 20:15:21,521 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_module_put_29 [2020-10-29 20:15:21,521 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_try_module_get [2020-10-29 20:15:21,521 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_module_put [2020-10-29 20:15:21,521 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2020-10-29 20:15:21,521 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2020-10-29 20:15:21,521 INFO L130 BoogieDeclarations]: Found specification of procedure __kmalloc [2020-10-29 20:15:21,521 INFO L130 BoogieDeclarations]: Found specification of procedure kmalloc [2020-10-29 20:15:21,522 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_zalloc [2020-10-29 20:15:21,522 INFO L130 BoogieDeclarations]: Found specification of procedure kzalloc [2020-10-29 20:15:21,522 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2020-10-29 20:15:21,522 INFO L130 BoogieDeclarations]: Found specification of procedure calloc [2020-10-29 20:15:21,522 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2020-10-29 20:15:21,522 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_ulong [2020-10-29 20:15:21,522 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2020-10-29 20:15:21,522 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2020-10-29 20:15:21,522 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.meminit [2020-10-29 20:15:21,523 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_init_zalloc [2020-10-29 20:15:21,523 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_memset [2020-10-29 20:15:21,523 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2020-10-29 20:15:21,523 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undef_int [2020-10-29 20:15:21,523 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undef_ulong [2020-10-29 20:15:21,523 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2020-10-29 20:15:21,523 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_initialize_em28xx_ops_1 [2020-10-29 20:15:21,523 INFO L130 BoogieDeclarations]: Found specification of procedure __const_udelay [2020-10-29 20:15:21,523 INFO L130 BoogieDeclarations]: Found specification of procedure msleep [2020-10-29 20:15:21,524 INFO L130 BoogieDeclarations]: Found specification of procedure sema_init [2020-10-29 20:15:21,524 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-10-29 20:15:21,524 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2020-10-29 20:15:21,524 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2020-10-29 20:15:21,524 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2020-10-29 20:15:21,524 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-10-29 20:15:21,524 INFO L130 BoogieDeclarations]: Found specification of procedure down [2020-10-29 20:15:21,524 INFO L130 BoogieDeclarations]: Found specification of procedure up [2020-10-29 20:15:21,524 INFO L130 BoogieDeclarations]: Found specification of procedure usb_set_interface [2020-10-29 20:15:21,525 INFO L130 BoogieDeclarations]: Found specification of procedure i2c_master_send [2020-10-29 20:15:21,525 INFO L130 BoogieDeclarations]: Found specification of procedure i2c_new_device [2020-10-29 20:15:21,525 INFO L130 BoogieDeclarations]: Found specification of procedure i2c_unregister_device [2020-10-29 20:15:21,525 INFO L130 BoogieDeclarations]: Found specification of procedure dvb_register_adapter [2020-10-29 20:15:21,525 INFO L130 BoogieDeclarations]: Found specification of procedure dvb_unregister_adapter [2020-10-29 20:15:21,525 INFO L130 BoogieDeclarations]: Found specification of procedure dvb_register_frontend [2020-10-29 20:15:21,525 INFO L130 BoogieDeclarations]: Found specification of procedure dvb_unregister_frontend [2020-10-29 20:15:21,525 INFO L130 BoogieDeclarations]: Found specification of procedure dvb_frontend_detach [2020-10-29 20:15:21,525 INFO L130 BoogieDeclarations]: Found specification of procedure dvb_frontend_suspend [2020-10-29 20:15:21,525 INFO L130 BoogieDeclarations]: Found specification of procedure dvb_frontend_resume [2020-10-29 20:15:21,526 INFO L130 BoogieDeclarations]: Found specification of procedure em28xx_write_reg [2020-10-29 20:15:21,526 INFO L130 BoogieDeclarations]: Found specification of procedure em28xx_write_reg_bits [2020-10-29 20:15:21,526 INFO L130 BoogieDeclarations]: Found specification of procedure em28xx_alloc_urbs [2020-10-29 20:15:21,526 INFO L130 BoogieDeclarations]: Found specification of procedure em28xx_init_usb_xfer [2020-10-29 20:15:21,526 INFO L130 BoogieDeclarations]: Found specification of procedure em28xx_uninit_usb_xfer [2020-10-29 20:15:21,526 INFO L130 BoogieDeclarations]: Found specification of procedure em28xx_stop_urbs [2020-10-29 20:15:21,526 INFO L130 BoogieDeclarations]: Found specification of procedure em28xx_set_mode [2020-10-29 20:15:21,526 INFO L130 BoogieDeclarations]: Found specification of procedure em28xx_gpio_set [2020-10-29 20:15:21,526 INFO L130 BoogieDeclarations]: Found specification of procedure em28xx_register_extension [2020-10-29 20:15:21,527 INFO L130 BoogieDeclarations]: Found specification of procedure em28xx_unregister_extension [2020-10-29 20:15:21,527 INFO L130 BoogieDeclarations]: Found specification of procedure em28xx_tuner_callback [2020-10-29 20:15:21,527 INFO L130 BoogieDeclarations]: Found specification of procedure em28xx_setup_xc3028 [2020-10-29 20:15:21,527 INFO L130 BoogieDeclarations]: Found specification of procedure em28xx_free_device [2020-10-29 20:15:21,527 INFO L130 BoogieDeclarations]: Found specification of procedure dvb_dmx_init [2020-10-29 20:15:21,528 INFO L130 BoogieDeclarations]: Found specification of procedure dvb_dmx_release [2020-10-29 20:15:21,532 INFO L130 BoogieDeclarations]: Found specification of procedure dvb_dmx_swfilter [2020-10-29 20:15:21,532 INFO L130 BoogieDeclarations]: Found specification of procedure dvb_net_release [2020-10-29 20:15:21,532 INFO L130 BoogieDeclarations]: Found specification of procedure dvb_net_init [2020-10-29 20:15:21,532 INFO L130 BoogieDeclarations]: Found specification of procedure dvb_dmxdev_init [2020-10-29 20:15:21,532 INFO L130 BoogieDeclarations]: Found specification of procedure dvb_dmxdev_release [2020-10-29 20:15:21,533 INFO L130 BoogieDeclarations]: Found specification of procedure gpio_free [2020-10-29 20:15:21,533 INFO L130 BoogieDeclarations]: Found specification of procedure gpio_request_one [2020-10-29 20:15:21,533 INFO L130 BoogieDeclarations]: Found specification of procedure mt352_write [2020-10-29 20:15:21,533 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~$Pointer$~X~int~TO~int [2020-10-29 20:15:21,533 INFO L130 BoogieDeclarations]: Found specification of procedure print_err_status [2020-10-29 20:15:21,533 INFO L130 BoogieDeclarations]: Found specification of procedure em28xx_dvb_urb_data_copy [2020-10-29 20:15:21,534 INFO L130 BoogieDeclarations]: Found specification of procedure em28xx_start_streaming [2020-10-29 20:15:21,536 INFO L130 BoogieDeclarations]: Found specification of procedure em28xx_stop_streaming [2020-10-29 20:15:21,536 INFO L130 BoogieDeclarations]: Found specification of procedure em28xx_start_feed [2020-10-29 20:15:21,536 INFO L130 BoogieDeclarations]: Found specification of procedure em28xx_stop_feed [2020-10-29 20:15:21,536 INFO L130 BoogieDeclarations]: Found specification of procedure em28xx_dvb_bus_ctrl [2020-10-29 20:15:21,536 INFO L130 BoogieDeclarations]: Found specification of procedure drxk_gate_ctrl [2020-10-29 20:15:21,536 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~int~TO~int [2020-10-29 20:15:21,536 INFO L130 BoogieDeclarations]: Found specification of procedure hauppauge_hvr930c_init [2020-10-29 20:15:21,536 INFO L130 BoogieDeclarations]: Found specification of procedure terratec_h5_init [2020-10-29 20:15:21,537 INFO L130 BoogieDeclarations]: Found specification of procedure terratec_htc_stick_init [2020-10-29 20:15:21,537 INFO L130 BoogieDeclarations]: Found specification of procedure terratec_htc_usb_xs_init [2020-10-29 20:15:21,537 INFO L130 BoogieDeclarations]: Found specification of procedure pctv_520e_init [2020-10-29 20:15:21,537 INFO L130 BoogieDeclarations]: Found specification of procedure em28xx_pctv_290e_set_lna [2020-10-29 20:15:21,537 INFO L130 BoogieDeclarations]: Found specification of procedure em28xx_pctv_292e_set_lna [2020-10-29 20:15:21,537 INFO L130 BoogieDeclarations]: Found specification of procedure em28xx_mt352_terratec_xs_init [2020-10-29 20:15:21,537 INFO L130 BoogieDeclarations]: Found specification of procedure em28xx_attach_xc3028 [2020-10-29 20:15:21,537 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~$Pointer$~TO~$Pointer$ [2020-10-29 20:15:21,537 INFO L130 BoogieDeclarations]: Found specification of procedure em28xx_register_dvb [2020-10-29 20:15:21,537 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~$Pointer$~TO~int [2020-10-29 20:15:21,538 INFO L130 BoogieDeclarations]: Found specification of procedure em28xx_unregister_dvb [2020-10-29 20:15:21,538 INFO L130 BoogieDeclarations]: Found specification of procedure em28xx_dvb_init [2020-10-29 20:15:21,538 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~$Pointer$~X~$Pointer$~TO~$Pointer$ [2020-10-29 20:15:21,538 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~$Pointer$~X~~u8~0~X~int~TO~$Pointer$ [2020-10-29 20:15:21,538 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~$Pointer$~X~$Pointer$~X~$Pointer$~TO~$Pointer$ [2020-10-29 20:15:21,538 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~$Pointer$~X~~u8~0~TO~$Pointer$ [2020-10-29 20:15:21,538 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~~u8~0~X~$Pointer$~X~$Pointer$~TO~$Pointer$ [2020-10-29 20:15:21,538 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~$Pointer$ [2020-10-29 20:15:21,538 INFO L130 BoogieDeclarations]: Found specification of procedure prevent_sleep [2020-10-29 20:15:21,539 INFO L130 BoogieDeclarations]: Found specification of procedure em28xx_dvb_fini [2020-10-29 20:15:21,539 INFO L130 BoogieDeclarations]: Found specification of procedure em28xx_dvb_suspend [2020-10-29 20:15:21,539 INFO L130 BoogieDeclarations]: Found specification of procedure em28xx_dvb_resume [2020-10-29 20:15:21,539 INFO L130 BoogieDeclarations]: Found specification of procedure em28xx_dvb_register [2020-10-29 20:15:21,539 INFO L130 BoogieDeclarations]: Found specification of procedure em28xx_dvb_unregister [2020-10-29 20:15:21,539 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_release_1 [2020-10-29 20:15:21,539 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_bind_1 [2020-10-29 20:15:21,539 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop_1 [2020-10-29 20:15:21,539 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_initialize [2020-10-29 20:15:21,539 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_final_state [2020-10-29 20:15:21,539 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_start_1 [2020-10-29 20:15:21,540 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_disconnect_1 [2020-10-29 20:15:21,540 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-10-29 20:15:21,540 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_error [2020-10-29 20:15:21,540 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_is_err [2020-10-29 20:15:21,540 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_err_ptr [2020-10-29 20:15:21,540 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_ptr_err [2020-10-29 20:15:21,540 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_is_err_or_null [2020-10-29 20:15:21,540 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_module_get [2020-10-29 20:15:21,540 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_module_put_and_exit [2020-10-29 20:15:21,540 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_module_refcount [2020-10-29 20:15:21,541 INFO L130 BoogieDeclarations]: Found specification of procedure free [2020-10-29 20:15:21,541 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-10-29 20:15:21,541 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-10-29 20:15:21,541 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2020-10-29 20:15:21,541 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-10-29 20:15:23,241 INFO L751 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stopFINAL: assume true; [2020-10-29 20:15:50,190 INFO L751 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_module_put_and_exitFINAL: assume true; [2020-10-29 20:16:00,537 INFO L293 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-10-29 20:16:00,537 INFO L298 CfgBuilder]: Removed 24 assume(true) statements. [2020-10-29 20:16:00,542 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.10 08:16:00 BoogieIcfgContainer [2020-10-29 20:16:00,542 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-10-29 20:16:00,544 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-10-29 20:16:00,544 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-10-29 20:16:00,548 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-10-29 20:16:00,548 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 29.10 08:15:17" (1/3) ... [2020-10-29 20:16:00,549 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@19aec41f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 29.10 08:16:00, skipping insertion in model container [2020-10-29 20:16:00,549 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 08:15:20" (2/3) ... [2020-10-29 20:16:00,549 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@19aec41f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 29.10 08:16:00, skipping insertion in model container [2020-10-29 20:16:00,550 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.10 08:16:00" (3/3) ... [2020-10-29 20:16:00,551 INFO L111 eAbstractionObserver]: Analyzing ICFG linux-4.2-rc1.tar.xz-08_1a-drivers--media--usb--em28xx--em28xx-dvb.ko-entry_point.cil.out.i [2020-10-29 20:16:00,563 INFO L164 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:Craig_NestedInterpolation Determinization: PREDICATE_ABSTRACTION [2020-10-29 20:16:00,570 INFO L176 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-10-29 20:16:00,583 INFO L253 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-10-29 20:16:00,619 INFO L377 AbstractCegarLoop]: Interprodecural is true [2020-10-29 20:16:00,619 INFO L378 AbstractCegarLoop]: Hoare is true [2020-10-29 20:16:00,619 INFO L379 AbstractCegarLoop]: Compute interpolants for Craig_NestedInterpolation [2020-10-29 20:16:00,619 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-10-29 20:16:00,619 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-10-29 20:16:00,619 INFO L382 AbstractCegarLoop]: Difference is false [2020-10-29 20:16:00,620 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-10-29 20:16:00,620 INFO L387 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-10-29 20:16:00,675 INFO L276 IsEmpty]: Start isEmpty. Operand 1870 states. [2020-10-29 20:16:00,688 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2020-10-29 20:16:00,689 INFO L414 BasicCegarLoop]: Found error trace [2020-10-29 20:16:00,689 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-29 20:16:00,690 INFO L429 AbstractCegarLoop]: === Iteration 1 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-29 20:16:00,696 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-29 20:16:00,696 INFO L82 PathProgramCache]: Analyzing trace with hash -1410134529, now seen corresponding path program 1 times [2020-10-29 20:16:00,706 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-29 20:16:00,706 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1539415251] [2020-10-29 20:16:00,706 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-29 20:16:01,710 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 20:16:02,044 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 20:16:02,520 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 20:16:07,912 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 20:16:07,912 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 70 [2020-10-29 20:16:07,913 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-29 20:16:07,913 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6195 [2020-10-29 20:16:07,916 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 20:16:07,917 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 20:16:07,917 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-29 20:16:07,917 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-29 20:16:07,918 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 57 [2020-10-29 20:16:07,918 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 4 [2020-10-29 20:16:26,166 WARN L193 SmtUtils]: Spent 17.71 s on a formula simplification that was a NOOP. DAG size: 1777 [2020-10-29 20:16:26,172 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-29 20:16:26,364 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 20:16:26,533 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 20:16:33,830 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 20:16:33,831 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-29 20:16:33,831 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 20:16:33,831 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7464 [2020-10-29 20:16:33,831 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 20:16:33,831 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 20:16:33,832 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 20:16:33,832 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 20:16:33,832 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-10-29 20:16:33,832 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 20:16:34,099 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-29 20:16:34,111 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 20:16:34,134 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 20:16:34,347 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 20:16:34,348 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 23 [2020-10-29 20:16:34,352 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 20:16:34,352 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 235 [2020-10-29 20:16:34,353 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 20:16:34,353 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 20:16:34,353 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 20:16:34,353 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 20:16:34,355 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 20 [2020-10-29 20:16:34,355 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 2 [2020-10-29 20:16:34,425 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-29 20:16:34,427 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 20:16:34,452 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 20:16:34,467 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 20:16:34,467 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-29 20:16:34,467 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 20:16:34,467 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 39 [2020-10-29 20:16:34,468 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 20:16:34,468 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 20:16:34,468 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 20:16:34,468 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 20:16:34,468 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 20:16:34,469 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 20:16:34,495 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-29 20:16:34,498 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 20:16:34,518 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 20:16:34,532 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 20:16:34,533 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-29 20:16:34,533 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 20:16:34,533 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 34 [2020-10-29 20:16:34,533 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 20:16:34,534 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 20:16:34,534 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 20:16:34,534 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 20:16:34,534 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 20:16:34,534 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-29 20:16:34,563 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2020-10-29 20:16:34,578 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 20:16:34,611 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 20:16:34,633 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 20:16:34,634 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-29 20:16:34,634 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 20:16:34,634 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 55 [2020-10-29 20:16:34,634 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 20:16:34,635 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 20:16:34,635 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 20:16:34,635 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 20:16:34,635 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-10-29 20:16:34,635 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 20:16:34,656 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2020-10-29 20:16:34,662 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 20:16:34,684 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 20:16:34,709 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 20:16:34,709 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 13 [2020-10-29 20:16:34,710 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 20:16:34,710 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 45 [2020-10-29 20:16:34,710 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 20:16:34,710 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 20:16:34,710 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 20:16:34,711 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 20:16:34,711 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 10 [2020-10-29 20:16:34,711 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 20:16:34,736 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-29 20:16:34,739 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 20:16:34,759 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 20:16:34,770 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 20:16:34,771 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-29 20:16:34,771 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 20:16:34,771 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 31 [2020-10-29 20:16:34,771 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 20:16:34,772 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 20:16:34,772 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 20:16:34,772 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 20:16:34,772 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 20:16:34,772 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-29 20:16:34,857 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-29 20:16:34,858 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1539415251] [2020-10-29 20:16:34,860 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-29 20:16:34,860 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2020-10-29 20:16:34,861 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1070799269] [2020-10-29 20:16:34,869 INFO L461 AbstractCegarLoop]: Interpolant automaton has 6 states [2020-10-29 20:16:34,869 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-29 20:16:34,883 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2020-10-29 20:16:34,884 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2020-10-29 20:16:34,886 INFO L87 Difference]: Start difference. First operand 1870 states. Second operand 6 states. [2020-10-29 20:16:52,449 WARN L193 SmtUtils]: Spent 17.46 s on a formula simplification that was a NOOP. DAG size: 1780 [2020-10-29 20:17:13,048 WARN L193 SmtUtils]: Spent 17.77 s on a formula simplification that was a NOOP. DAG size: 1782 [2020-10-29 20:17:30,920 WARN L193 SmtUtils]: Spent 17.61 s on a formula simplification that was a NOOP. DAG size: 1779