/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=DEEPEST --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-validator-v0.6/linux-stable-42f9f8d-1-111_1a-sound--oss--opl3.ko-entry_point.cil.out.i -------------------------------------------------------------------------------- This is Ultimate 0.2.0-0f64333 [2020-10-28 08:22:54,113 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-10-28 08:22:54,118 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-10-28 08:22:54,179 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-10-28 08:22:54,179 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-10-28 08:22:54,187 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-10-28 08:22:54,189 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-10-28 08:22:54,194 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-10-28 08:22:54,198 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-10-28 08:22:54,205 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-10-28 08:22:54,206 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-10-28 08:22:54,208 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-10-28 08:22:54,208 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-10-28 08:22:54,212 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-10-28 08:22:54,215 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-10-28 08:22:54,217 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-10-28 08:22:54,218 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-10-28 08:22:54,222 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-10-28 08:22:54,230 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-10-28 08:22:54,245 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-10-28 08:22:54,247 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-10-28 08:22:54,249 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-10-28 08:22:54,251 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-10-28 08:22:54,253 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-10-28 08:22:54,272 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-10-28 08:22:54,273 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-10-28 08:22:54,273 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-10-28 08:22:54,275 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-10-28 08:22:54,276 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-10-28 08:22:54,277 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-10-28 08:22:54,277 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-10-28 08:22:54,278 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-10-28 08:22:54,281 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-10-28 08:22:54,282 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-10-28 08:22:54,283 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-10-28 08:22:54,283 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-10-28 08:22:54,284 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-10-28 08:22:54,284 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-10-28 08:22:54,284 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-10-28 08:22:54,285 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-10-28 08:22:54,286 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-10-28 08:22:54,297 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 [2020-10-28 08:22:54,341 INFO L113 SettingsManager]: Loading preferences was successful [2020-10-28 08:22:54,341 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-10-28 08:22:54,343 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-10-28 08:22:54,343 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-10-28 08:22:54,343 INFO L138 SettingsManager]: * Use SBE=true [2020-10-28 08:22:54,343 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-10-28 08:22:54,344 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-10-28 08:22:54,344 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-10-28 08:22:54,344 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-10-28 08:22:54,344 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-10-28 08:22:54,344 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-10-28 08:22:54,345 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-10-28 08:22:54,345 INFO L138 SettingsManager]: * Use constant arrays=true [2020-10-28 08:22:54,345 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-10-28 08:22:54,345 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-10-28 08:22:54,345 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-10-28 08:22:54,346 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-10-28 08:22:54,346 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-10-28 08:22:54,346 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-10-28 08:22:54,346 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-10-28 08:22:54,347 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-10-28 08:22:54,347 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-10-28 08:22:54,347 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-10-28 08:22:54,347 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-10-28 08:22:54,347 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-10-28 08:22:54,348 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-10-28 08:22:54,348 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2020-10-28 08:22:54,348 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Trace refinement strategy -> FIXED_PREFERENCES Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute Interpolants along a Counterexample -> Craig_NestedInterpolation Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: SMT solver -> Internal_SMTInterpol Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute trace for counterexample result -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder: Size of a code block -> SequenceOfStatements Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Use minimal unsat core enumeration -> true Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=5000;interpolation-heuristic=DEEPEST;log-additional-information=true;unknown-allowed=true; [2020-10-28 08:22:54,731 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-10-28 08:22:54,757 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-10-28 08:22:54,760 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-10-28 08:22:54,762 INFO L271 PluginConnector]: Initializing CDTParser... [2020-10-28 08:22:54,763 INFO L275 PluginConnector]: CDTParser initialized [2020-10-28 08:22:54,764 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/ldv-validator-v0.6/linux-stable-42f9f8d-1-111_1a-sound--oss--opl3.ko-entry_point.cil.out.i [2020-10-28 08:22:54,860 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/d20bab463/beb57be8de2e4a9096987324f52fbfe7/FLAGbc4536e05 [2020-10-28 08:22:55,956 INFO L306 CDTParser]: Found 1 translation units. [2020-10-28 08:22:55,958 INFO L160 CDTParser]: Scanning /storage/repos/ultimate-2/trunk/examples/svcomp/ldv-validator-v0.6/linux-stable-42f9f8d-1-111_1a-sound--oss--opl3.ko-entry_point.cil.out.i [2020-10-28 08:22:56,004 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/d20bab463/beb57be8de2e4a9096987324f52fbfe7/FLAGbc4536e05 [2020-10-28 08:22:56,408 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/d20bab463/beb57be8de2e4a9096987324f52fbfe7 [2020-10-28 08:22:56,412 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-10-28 08:22:56,420 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-10-28 08:22:56,425 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-10-28 08:22:56,425 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-10-28 08:22:56,429 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-10-28 08:22:56,431 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.10 08:22:56" (1/1) ... [2020-10-28 08:22:56,436 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7dfa2aa5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 08:22:56, skipping insertion in model container [2020-10-28 08:22:56,437 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.10 08:22:56" (1/1) ... [2020-10-28 08:22:56,446 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-10-28 08:22:56,578 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-10-28 08:22:57,830 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-28 08:22:57,929 INFO L203 MainTranslator]: Completed pre-run [2020-10-28 08:22:58,233 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-28 08:22:58,426 INFO L208 MainTranslator]: Completed translation [2020-10-28 08:22:58,426 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 08:22:58 WrapperNode [2020-10-28 08:22:58,427 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-10-28 08:22:58,428 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-10-28 08:22:58,429 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-10-28 08:22:58,429 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-10-28 08:22:58,444 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 08:22:58" (1/1) ... [2020-10-28 08:22:58,444 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 08:22:58" (1/1) ... [2020-10-28 08:22:58,519 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 08:22:58" (1/1) ... [2020-10-28 08:22:58,520 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 08:22:58" (1/1) ... [2020-10-28 08:22:58,657 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 08:22:58" (1/1) ... [2020-10-28 08:22:58,676 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 08:22:58" (1/1) ... [2020-10-28 08:22:58,703 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 08:22:58" (1/1) ... [2020-10-28 08:22:58,736 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-10-28 08:22:58,737 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-10-28 08:22:58,737 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-10-28 08:22:58,737 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-10-28 08:22:58,738 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 08:22:58" (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 [2020-10-28 08:22:58,822 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-10-28 08:22:58,823 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-10-28 08:22:58,823 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error [2020-10-28 08:22:58,823 INFO L138 BoogieDeclarations]: Found implementation of procedure __kmalloc [2020-10-28 08:22:58,823 INFO L138 BoogieDeclarations]: Found implementation of procedure kmalloc [2020-10-28 08:22:58,824 INFO L138 BoogieDeclarations]: Found implementation of procedure kzalloc [2020-10-28 08:22:58,824 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2020-10-28 08:22:58,824 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2020-10-28 08:22:58,824 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_zalloc [2020-10-28 08:22:58,824 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undef_int [2020-10-28 08:22:58,825 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undef_ulong [2020-10-28 08:22:58,825 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_error [2020-10-28 08:22:58,825 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2020-10-28 08:22:58,825 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2020-10-28 08:22:58,825 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_trap [2020-10-28 08:22:58,826 INFO L138 BoogieDeclarations]: Found implementation of procedure outb [2020-10-28 08:22:58,826 INFO L138 BoogieDeclarations]: Found implementation of procedure inb [2020-10-28 08:22:58,826 INFO L138 BoogieDeclarations]: Found implementation of procedure copy_from_user [2020-10-28 08:22:58,826 INFO L138 BoogieDeclarations]: Found implementation of procedure copy_to_user [2020-10-28 08:22:58,826 INFO L138 BoogieDeclarations]: Found implementation of procedure enter_4op_mode [2020-10-28 08:22:58,826 INFO L138 BoogieDeclarations]: Found implementation of procedure opl3_ioctl [2020-10-28 08:22:58,827 INFO L138 BoogieDeclarations]: Found implementation of procedure opl3_detect [2020-10-28 08:22:58,827 INFO L138 BoogieDeclarations]: Found implementation of procedure opl3_kill_note [2020-10-28 08:22:58,827 INFO L138 BoogieDeclarations]: Found implementation of procedure store_instr [2020-10-28 08:22:58,827 INFO L138 BoogieDeclarations]: Found implementation of procedure opl3_set_instr [2020-10-28 08:22:58,827 INFO L138 BoogieDeclarations]: Found implementation of procedure calc_vol [2020-10-28 08:22:58,828 INFO L138 BoogieDeclarations]: Found implementation of procedure set_voice_volume [2020-10-28 08:22:58,828 INFO L138 BoogieDeclarations]: Found implementation of procedure opl3_start_note [2020-10-28 08:22:58,828 INFO L138 BoogieDeclarations]: Found implementation of procedure freq_to_fnum [2020-10-28 08:22:58,828 INFO L138 BoogieDeclarations]: Found implementation of procedure opl3_command [2020-10-28 08:22:58,828 INFO L138 BoogieDeclarations]: Found implementation of procedure opl3_reset [2020-10-28 08:22:58,828 INFO L138 BoogieDeclarations]: Found implementation of procedure opl3_open [2020-10-28 08:22:58,829 INFO L138 BoogieDeclarations]: Found implementation of procedure opl3_close [2020-10-28 08:22:58,829 INFO L138 BoogieDeclarations]: Found implementation of procedure opl3_hw_control [2020-10-28 08:22:58,829 INFO L138 BoogieDeclarations]: Found implementation of procedure opl3_load_patch [2020-10-28 08:22:58,829 INFO L138 BoogieDeclarations]: Found implementation of procedure opl3_panning [2020-10-28 08:22:58,829 INFO L138 BoogieDeclarations]: Found implementation of procedure opl3_volume_method [2020-10-28 08:22:58,829 INFO L138 BoogieDeclarations]: Found implementation of procedure opl3_aftertouch [2020-10-28 08:22:58,829 INFO L138 BoogieDeclarations]: Found implementation of procedure bend_pitch [2020-10-28 08:22:58,830 INFO L138 BoogieDeclarations]: Found implementation of procedure opl3_controller [2020-10-28 08:22:58,830 INFO L138 BoogieDeclarations]: Found implementation of procedure opl3_bender [2020-10-28 08:22:58,830 INFO L138 BoogieDeclarations]: Found implementation of procedure opl3_alloc_voice [2020-10-28 08:22:58,830 INFO L138 BoogieDeclarations]: Found implementation of procedure opl3_setup_voice [2020-10-28 08:22:58,830 INFO L138 BoogieDeclarations]: Found implementation of procedure opl3_init [2020-10-28 08:22:58,830 INFO L138 BoogieDeclarations]: Found implementation of procedure init_opl3 [2020-10-28 08:22:58,831 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup_opl3 [2020-10-28 08:22:58,831 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-10-28 08:22:58,831 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__copy_from_user_1 [2020-10-28 08:22:58,831 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__copy_to_user_2 [2020-10-28 08:22:58,831 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv___copy_user_nocache_3 [2020-10-28 08:22:58,831 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv___copy_user_nocache_4 [2020-10-28 08:22:58,832 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_copy_from_user_7 [2020-10-28 08:22:58,832 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop___0 [2020-10-28 08:22:58,832 INFO L138 BoogieDeclarations]: Found implementation of procedure strlen [2020-10-28 08:22:58,832 INFO L138 BoogieDeclarations]: Found implementation of procedure strnlen [2020-10-28 08:22:58,832 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_len [2020-10-28 08:22:58,832 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_ret_val [2020-10-28 08:22:58,833 INFO L138 BoogieDeclarations]: Found implementation of procedure __const_udelay [2020-10-28 08:22:58,833 INFO L138 BoogieDeclarations]: Found implementation of procedure __copy_user_nocache [2020-10-28 08:22:58,833 INFO L138 BoogieDeclarations]: Found implementation of procedure __release_region [2020-10-28 08:22:58,833 INFO L138 BoogieDeclarations]: Found implementation of procedure __request_region [2020-10-28 08:22:58,833 INFO L138 BoogieDeclarations]: Found implementation of procedure _copy_from_user [2020-10-28 08:22:58,833 INFO L138 BoogieDeclarations]: Found implementation of procedure _copy_to_user [2020-10-28 08:22:58,834 INFO L138 BoogieDeclarations]: Found implementation of procedure compute_finetune [2020-10-28 08:22:58,834 INFO L138 BoogieDeclarations]: Found implementation of procedure conf_printf2 [2020-10-28 08:22:58,834 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_final_state [2020-10-28 08:22:58,834 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_initialize [2020-10-28 08:22:58,834 INFO L138 BoogieDeclarations]: Found implementation of procedure might_fault [2020-10-28 08:22:58,834 INFO L138 BoogieDeclarations]: Found implementation of procedure note_to_freq [2020-10-28 08:22:58,835 INFO L138 BoogieDeclarations]: Found implementation of procedure printk [2020-10-28 08:22:58,835 INFO L138 BoogieDeclarations]: Found implementation of procedure sequencer_init [2020-10-28 08:22:58,835 INFO L138 BoogieDeclarations]: Found implementation of procedure sound_alloc_synthdev [2020-10-28 08:22:58,835 INFO L138 BoogieDeclarations]: Found implementation of procedure sound_unload_synthdev [2020-10-28 08:22:58,835 INFO L138 BoogieDeclarations]: Found implementation of procedure warn_slowpath_fmt [2020-10-28 08:22:58,835 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree [2020-10-28 08:22:58,836 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.meminit [2020-10-28 08:22:58,836 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy [2020-10-28 08:22:58,836 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_strcpy [2020-10-28 08:22:58,836 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2020-10-28 08:22:58,836 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2020-10-28 08:22:58,836 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_perror_fail [2020-10-28 08:22:58,837 INFO L130 BoogieDeclarations]: Found specification of procedure __assert [2020-10-28 08:22:58,837 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error [2020-10-28 08:22:58,837 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-10-28 08:22:58,837 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2020-10-28 08:22:58,837 INFO L130 BoogieDeclarations]: Found specification of procedure printk [2020-10-28 08:22:58,837 INFO L130 BoogieDeclarations]: Found specification of procedure warn_slowpath_fmt [2020-10-28 08:22:58,838 INFO L130 BoogieDeclarations]: Found specification of procedure might_fault [2020-10-28 08:22:58,838 INFO L130 BoogieDeclarations]: Found specification of procedure memcpy [2020-10-28 08:22:58,838 INFO L130 BoogieDeclarations]: Found specification of procedure strcpy [2020-10-28 08:22:58,838 INFO L130 BoogieDeclarations]: Found specification of procedure __request_region [2020-10-28 08:22:58,838 INFO L130 BoogieDeclarations]: Found specification of procedure __release_region [2020-10-28 08:22:58,838 INFO L130 BoogieDeclarations]: Found specification of procedure __const_udelay [2020-10-28 08:22:58,839 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_len [2020-10-28 08:22:58,839 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2020-10-28 08:22:58,839 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2020-10-28 08:22:58,839 INFO L130 BoogieDeclarations]: Found specification of procedure __kmalloc [2020-10-28 08:22:58,839 INFO L130 BoogieDeclarations]: Found specification of procedure kmalloc [2020-10-28 08:22:58,839 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_zalloc [2020-10-28 08:22:58,839 INFO L130 BoogieDeclarations]: Found specification of procedure kzalloc [2020-10-28 08:22:58,840 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2020-10-28 08:22:58,840 INFO L130 BoogieDeclarations]: Found specification of procedure calloc [2020-10-28 08:22:58,840 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2020-10-28 08:22:58,840 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_uint [2020-10-28 08:22:58,840 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_ulong [2020-10-28 08:22:58,840 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2020-10-28 08:22:58,841 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2020-10-28 08:22:58,841 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.meminit [2020-10-28 08:22:58,841 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undef_int [2020-10-28 08:22:58,841 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undef_ulong [2020-10-28 08:22:58,841 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_error [2020-10-28 08:22:58,841 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2020-10-28 08:22:58,841 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_trap [2020-10-28 08:22:58,842 INFO L130 BoogieDeclarations]: Found specification of procedure outb [2020-10-28 08:22:58,842 INFO L130 BoogieDeclarations]: Found specification of procedure inb [2020-10-28 08:22:58,842 INFO L130 BoogieDeclarations]: Found specification of procedure _copy_to_user [2020-10-28 08:22:58,842 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__copy_to_user_2 [2020-10-28 08:22:58,842 INFO L130 BoogieDeclarations]: Found specification of procedure _copy_from_user [2020-10-28 08:22:58,842 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__copy_from_user_1 [2020-10-28 08:22:58,843 INFO L130 BoogieDeclarations]: Found specification of procedure copy_from_user [2020-10-28 08:22:58,843 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_copy_from_user_7 [2020-10-28 08:22:58,843 INFO L130 BoogieDeclarations]: Found specification of procedure copy_to_user [2020-10-28 08:22:58,843 INFO L130 BoogieDeclarations]: Found specification of procedure __copy_user_nocache [2020-10-28 08:22:58,843 INFO L130 BoogieDeclarations]: Found specification of procedure ldv___copy_user_nocache_3 [2020-10-28 08:22:58,843 INFO L130 BoogieDeclarations]: Found specification of procedure ldv___copy_user_nocache_4 [2020-10-28 08:22:58,844 INFO L130 BoogieDeclarations]: Found specification of procedure sequencer_init [2020-10-28 08:22:58,844 INFO L130 BoogieDeclarations]: Found specification of procedure note_to_freq [2020-10-28 08:22:58,844 INFO L130 BoogieDeclarations]: Found specification of procedure compute_finetune [2020-10-28 08:22:58,844 INFO L130 BoogieDeclarations]: Found specification of procedure conf_printf2 [2020-10-28 08:22:58,844 INFO L130 BoogieDeclarations]: Found specification of procedure sound_unload_synthdev [2020-10-28 08:22:58,844 INFO L130 BoogieDeclarations]: Found specification of procedure sound_alloc_synthdev [2020-10-28 08:22:58,845 INFO L130 BoogieDeclarations]: Found specification of procedure store_instr [2020-10-28 08:22:58,845 INFO L130 BoogieDeclarations]: Found specification of procedure freq_to_fnum [2020-10-28 08:22:58,845 INFO L130 BoogieDeclarations]: Found specification of procedure opl3_command [2020-10-28 08:22:58,845 INFO L130 BoogieDeclarations]: Found specification of procedure opl3_kill_note [2020-10-28 08:22:58,845 INFO L130 BoogieDeclarations]: Found specification of procedure enter_4op_mode [2020-10-28 08:22:58,845 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-10-28 08:22:58,846 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2020-10-28 08:22:58,846 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2020-10-28 08:22:58,846 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-10-28 08:22:58,846 INFO L130 BoogieDeclarations]: Found specification of procedure opl3_ioctl [2020-10-28 08:22:58,846 INFO L130 BoogieDeclarations]: Found specification of procedure opl3_detect [2020-10-28 08:22:58,846 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_strcpy [2020-10-28 08:22:58,847 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy [2020-10-28 08:22:58,847 INFO L130 BoogieDeclarations]: Found specification of procedure opl3_set_instr [2020-10-28 08:22:58,847 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2020-10-28 08:22:58,847 INFO L130 BoogieDeclarations]: Found specification of procedure calc_vol [2020-10-28 08:22:58,847 INFO L130 BoogieDeclarations]: Found specification of procedure set_voice_volume [2020-10-28 08:22:58,847 INFO L130 BoogieDeclarations]: Found specification of procedure opl3_start_note [2020-10-28 08:22:58,848 INFO L130 BoogieDeclarations]: Found specification of procedure opl3_reset [2020-10-28 08:22:58,848 INFO L130 BoogieDeclarations]: Found specification of procedure opl3_open [2020-10-28 08:22:58,848 INFO L130 BoogieDeclarations]: Found specification of procedure opl3_close [2020-10-28 08:22:58,848 INFO L130 BoogieDeclarations]: Found specification of procedure opl3_hw_control [2020-10-28 08:22:58,848 INFO L130 BoogieDeclarations]: Found specification of procedure opl3_load_patch [2020-10-28 08:22:58,848 INFO L130 BoogieDeclarations]: Found specification of procedure opl3_panning [2020-10-28 08:22:58,849 INFO L130 BoogieDeclarations]: Found specification of procedure opl3_volume_method [2020-10-28 08:22:58,849 INFO L130 BoogieDeclarations]: Found specification of procedure opl3_aftertouch [2020-10-28 08:22:58,849 INFO L130 BoogieDeclarations]: Found specification of procedure bend_pitch [2020-10-28 08:22:58,849 INFO L130 BoogieDeclarations]: Found specification of procedure opl3_controller [2020-10-28 08:22:58,849 INFO L130 BoogieDeclarations]: Found specification of procedure opl3_bender [2020-10-28 08:22:58,849 INFO L130 BoogieDeclarations]: Found specification of procedure opl3_alloc_voice [2020-10-28 08:22:58,849 INFO L130 BoogieDeclarations]: Found specification of procedure opl3_setup_voice [2020-10-28 08:22:58,850 INFO L130 BoogieDeclarations]: Found specification of procedure opl3_init [2020-10-28 08:22:58,850 INFO L130 BoogieDeclarations]: Found specification of procedure init_opl3 [2020-10-28 08:22:58,850 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup_opl3 [2020-10-28 08:22:58,850 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_initialize [2020-10-28 08:22:58,850 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_final_state [2020-10-28 08:22:58,850 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-10-28 08:22:58,851 INFO L130 BoogieDeclarations]: Found specification of procedure strlen [2020-10-28 08:22:58,851 INFO L130 BoogieDeclarations]: Found specification of procedure strnlen [2020-10-28 08:22:58,851 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop___0 [2020-10-28 08:22:58,851 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_ret_val [2020-10-28 08:22:58,851 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_long [2020-10-28 08:22:58,851 INFO L130 BoogieDeclarations]: Found specification of procedure free [2020-10-28 08:22:58,851 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-10-28 08:22:58,852 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-10-28 08:22:58,852 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2020-10-28 08:22:58,852 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-10-28 08:22:58,852 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2020-10-28 08:22:58,852 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int [2020-10-28 08:22:58,852 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2020-10-28 08:22:58,853 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2020-10-28 08:23:00,044 INFO L751 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stopFINAL: assume true; [2020-10-28 08:23:03,318 INFO L751 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stop___0FINAL: assume true; [2020-10-28 08:23:05,047 INFO L293 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-10-28 08:23:05,048 INFO L298 CfgBuilder]: Removed 2 assume(true) statements. [2020-10-28 08:23:05,053 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.10 08:23:05 BoogieIcfgContainer [2020-10-28 08:23:05,053 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-10-28 08:23:05,056 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-10-28 08:23:05,056 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-10-28 08:23:05,059 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-10-28 08:23:05,060 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 28.10 08:22:56" (1/3) ... [2020-10-28 08:23:05,062 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@32c89059 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.10 08:23:05, skipping insertion in model container [2020-10-28 08:23:05,062 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 08:22:58" (2/3) ... [2020-10-28 08:23:05,062 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@32c89059 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.10 08:23:05, skipping insertion in model container [2020-10-28 08:23:05,062 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.10 08:23:05" (3/3) ... [2020-10-28 08:23:05,064 INFO L111 eAbstractionObserver]: Analyzing ICFG linux-stable-42f9f8d-1-111_1a-sound--oss--opl3.ko-entry_point.cil.out.i [2020-10-28 08:23:05,076 INFO L164 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:Craig_NestedInterpolation Determinization: PREDICATE_ABSTRACTION [2020-10-28 08:23:05,082 INFO L176 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-10-28 08:23:05,096 INFO L253 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-10-28 08:23:05,140 INFO L377 AbstractCegarLoop]: Interprodecural is true [2020-10-28 08:23:05,141 INFO L378 AbstractCegarLoop]: Hoare is true [2020-10-28 08:23:05,141 INFO L379 AbstractCegarLoop]: Compute interpolants for Craig_NestedInterpolation [2020-10-28 08:23:05,141 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-10-28 08:23:05,141 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-10-28 08:23:05,141 INFO L382 AbstractCegarLoop]: Difference is false [2020-10-28 08:23:05,141 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-10-28 08:23:05,141 INFO L387 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-10-28 08:23:05,188 INFO L276 IsEmpty]: Start isEmpty. Operand 854 states. [2020-10-28 08:23:05,216 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 56 [2020-10-28 08:23:05,217 INFO L414 BasicCegarLoop]: Found error trace [2020-10-28 08:23:05,218 INFO L422 BasicCegarLoop]: trace histogram [4, 4, 4, 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] [2020-10-28 08:23:05,219 INFO L429 AbstractCegarLoop]: === Iteration 1 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-28 08:23:05,227 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-28 08:23:05,228 INFO L82 PathProgramCache]: Analyzing trace with hash 2029237765, now seen corresponding path program 1 times [2020-10-28 08:23:05,238 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-28 08:23:05,239 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1577385608] [2020-10-28 08:23:05,239 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-28 08:23:05,908 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 08:23:06,394 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 08:23:06,898 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 08:23:10,937 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 08:23:10,937 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 81 [2020-10-28 08:23:10,937 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-28 08:23:10,937 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5024 [2020-10-28 08:23:10,940 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 08:23:10,940 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-28 08:23:10,940 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 65 [2020-10-28 08:23:10,940 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-10-28 08:23:10,941 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 3 [2020-10-28 08:23:11,708 WARN L193 SmtUtils]: Spent 339.00 ms on a formula simplification that was a NOOP. DAG size: 202 [2020-10-28 08:23:11,710 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-28 08:23:11,757 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 08:23:11,768 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 08:23:12,477 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 08:23:12,477 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 08:23:12,477 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 08:23:12,477 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 718 [2020-10-28 08:23:12,477 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 08:23:12,478 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 08:23:12,478 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 08:23:12,478 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 08:23:12,478 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 08:23:12,663 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-28 08:23:12,667 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 08:23:12,671 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 08:23:12,675 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 08:23:12,675 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-28 08:23:12,676 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 08:23:12,676 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-10-28 08:23:12,676 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 08:23:12,676 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 08:23:12,676 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 08:23:12,676 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 08:23:12,677 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 08:23:12,682 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-28 08:23:12,686 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 08:23:12,690 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 08:23:12,694 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 08:23:12,695 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-28 08:23:12,695 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 08:23:12,695 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 8 [2020-10-28 08:23:12,699 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 08:23:12,699 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 08:23:12,699 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 08:23:12,699 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 08:23:12,700 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 08:23:12,706 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-10-28 08:23:12,708 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 08:23:12,712 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 08:23:12,715 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 08:23:12,716 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-28 08:23:12,716 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 08:23:12,722 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-28 08:23:12,723 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 08:23:12,723 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 08:23:12,723 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 08:23:12,724 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 08:23:12,724 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-28 08:23:12,728 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2020-10-28 08:23:12,741 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 08:23:12,745 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 08:23:12,749 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 08:23:12,749 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-28 08:23:12,749 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 08:23:12,750 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-10-28 08:23:12,750 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 08:23:12,750 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 08:23:12,750 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 08:23:12,750 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 08:23:12,750 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 08:23:12,760 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 30 [2020-10-28 08:23:12,764 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 08:23:12,768 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 08:23:12,779 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 08:23:12,780 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-28 08:23:12,780 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 08:23:12,780 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 13 [2020-10-28 08:23:12,780 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 08:23:12,780 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 08:23:12,780 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 08:23:12,781 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 08:23:12,781 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 08:23:12,801 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2020-10-28 08:23:12,802 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1577385608] [2020-10-28 08:23:12,804 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-28 08:23:12,804 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2020-10-28 08:23:12,805 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1376275798] [2020-10-28 08:23:12,815 INFO L461 AbstractCegarLoop]: Interpolant automaton has 8 states [2020-10-28 08:23:12,815 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-28 08:23:12,829 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2020-10-28 08:23:12,831 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=43, Unknown=0, NotChecked=0, Total=56 [2020-10-28 08:23:12,834 INFO L87 Difference]: Start difference. First operand 854 states. Second operand 8 states. [2020-10-28 08:23:13,525 WARN L193 SmtUtils]: Spent 649.00 ms on a formula simplification that was a NOOP. DAG size: 205 [2020-10-28 08:23:17,155 WARN L193 SmtUtils]: Spent 405.00 ms on a formula simplification that was a NOOP. DAG size: 208 [2020-10-28 08:23:17,854 WARN L193 SmtUtils]: Spent 385.00 ms on a formula simplification that was a NOOP. DAG size: 210 [2020-10-28 08:23:18,431 WARN L193 SmtUtils]: Spent 327.00 ms on a formula simplification that was a NOOP. DAG size: 208 [2020-10-28 08:23:19,178 WARN L193 SmtUtils]: Spent 409.00 ms on a formula simplification that was a NOOP. DAG size: 210 [2020-10-28 08:23:34,005 WARN L193 SmtUtils]: Spent 347.00 ms on a formula simplification that was a NOOP. DAG size: 208 [2020-10-28 08:23:46,287 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-28 08:23:46,288 INFO L93 Difference]: Finished difference Result 1906 states and 2835 transitions. [2020-10-28 08:23:46,292 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2020-10-28 08:23:46,294 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 55 [2020-10-28 08:23:46,294 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-28 08:23:46,325 INFO L225 Difference]: With dead ends: 1906 [2020-10-28 08:23:46,325 INFO L226 Difference]: Without dead ends: 1032 [2020-10-28 08:23:46,337 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 25 GetRequests, 13 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 8 ImplicationChecksByTransitivity, 3.0s TimeCoverageRelationStatistics Valid=52, Invalid=130, Unknown=0, NotChecked=0, Total=182 [2020-10-28 08:23:46,361 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1032 states. [2020-10-28 08:23:46,625 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1032 to 818. [2020-10-28 08:23:46,627 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 818 states. [2020-10-28 08:23:46,641 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 818 states to 818 states and 1162 transitions. [2020-10-28 08:23:46,644 INFO L78 Accepts]: Start accepts. Automaton has 818 states and 1162 transitions. Word has length 55 [2020-10-28 08:23:46,646 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-28 08:23:46,646 INFO L481 AbstractCegarLoop]: Abstraction has 818 states and 1162 transitions. [2020-10-28 08:23:46,646 INFO L482 AbstractCegarLoop]: Interpolant automaton has 8 states. [2020-10-28 08:23:46,647 INFO L276 IsEmpty]: Start isEmpty. Operand 818 states and 1162 transitions. [2020-10-28 08:23:46,658 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 65 [2020-10-28 08:23:46,658 INFO L414 BasicCegarLoop]: Found error trace [2020-10-28 08:23:46,658 INFO L422 BasicCegarLoop]: trace histogram [4, 4, 4, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-28 08:23:46,661 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-10-28 08:23:46,661 INFO L429 AbstractCegarLoop]: === Iteration 2 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-28 08:23:46,662 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-28 08:23:46,662 INFO L82 PathProgramCache]: Analyzing trace with hash 534761078, now seen corresponding path program 1 times [2020-10-28 08:23:46,662 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-28 08:23:46,663 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1947331824] [2020-10-28 08:23:46,663 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-28 08:23:47,025 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 08:23:47,265 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 08:23:47,699 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 08:23:54,307 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 08:23:54,307 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 90 [2020-10-28 08:23:54,308 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-28 08:23:54,308 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7280 [2020-10-28 08:23:54,308 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 08:23:54,313 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 08:23:54,313 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 49 [2020-10-28 08:23:54,313 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-10-28 08:23:54,314 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 5 [2020-10-28 08:23:54,844 WARN L193 SmtUtils]: Spent 328.00 ms on a formula simplification that was a NOOP. DAG size: 202 [2020-10-28 08:23:54,845 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-28 08:23:54,878 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 08:23:54,887 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 08:23:55,475 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 08:23:55,476 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 08:23:55,476 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 08:23:55,476 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 597 [2020-10-28 08:23:55,476 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 08:23:55,476 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 08:23:55,477 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 08:23:55,477 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 08:23:55,477 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 08:23:55,672 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-28 08:23:55,675 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 08:23:55,678 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 08:23:55,684 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 08:23:55,684 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-28 08:23:55,685 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 08:23:55,685 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 8 [2020-10-28 08:23:55,685 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 08:23:55,685 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 08:23:55,685 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 08:23:55,686 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 08:23:55,686 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 08:23:55,691 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-28 08:23:55,692 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 08:23:55,697 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 08:23:55,703 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 08:23:55,704 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-28 08:23:55,705 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 08:23:55,707 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 10 [2020-10-28 08:23:55,707 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 08:23:55,708 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 08:23:55,708 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 08:23:55,708 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 08:23:55,708 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 08:23:55,713 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-10-28 08:23:55,718 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 08:23:55,724 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 08:23:55,728 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 08:23:55,728 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-28 08:23:55,730 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 08:23:55,730 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 9 [2020-10-28 08:23:55,731 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 08:23:55,731 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 08:23:55,731 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 08:23:55,731 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 08:23:55,731 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 08:23:55,738 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2020-10-28 08:23:55,739 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 08:23:55,743 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 08:23:55,746 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 08:23:55,746 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-28 08:23:55,747 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 08:23:55,747 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-28 08:23:55,747 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 08:23:55,747 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 08:23:55,747 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 08:23:55,747 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 08:23:55,747 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 08:23:55,751 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 30 [2020-10-28 08:23:55,753 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 08:23:55,758 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 08:23:55,763 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 08:23:55,763 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-28 08:23:55,763 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 08:23:55,763 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 9 [2020-10-28 08:23:55,764 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 08:23:55,764 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 08:23:55,764 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 08:23:55,764 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 08:23:55,764 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 08:23:55,782 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2020-10-28 08:23:55,782 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1947331824] [2020-10-28 08:23:55,783 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-28 08:23:55,783 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2020-10-28 08:23:55,783 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1558898051] [2020-10-28 08:23:55,784 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-10-28 08:23:55,784 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-28 08:23:55,785 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-10-28 08:23:55,786 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2020-10-28 08:23:55,786 INFO L87 Difference]: Start difference. First operand 818 states and 1162 transitions. Second operand 5 states. [2020-10-28 08:23:56,244 WARN L193 SmtUtils]: Spent 448.00 ms on a formula simplification that was a NOOP. DAG size: 205 [2020-10-28 08:24:02,830 WARN L193 SmtUtils]: Spent 344.00 ms on a formula simplification that was a NOOP. DAG size: 207 [2020-10-28 08:24:03,249 WARN L193 SmtUtils]: Spent 330.00 ms on a formula simplification that was a NOOP. DAG size: 204 [2020-10-28 08:24:35,536 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-28 08:24:35,536 INFO L93 Difference]: Finished difference Result 2065 states and 2984 transitions. [2020-10-28 08:24:35,536 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2020-10-28 08:24:35,536 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 64 [2020-10-28 08:24:35,537 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-28 08:24:35,548 INFO L225 Difference]: With dead ends: 2065 [2020-10-28 08:24:35,548 INFO L226 Difference]: Without dead ends: 1276 [2020-10-28 08:24:35,555 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 20 GetRequests, 13 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 1.5s TimeCoverageRelationStatistics Valid=27, Invalid=45, Unknown=0, NotChecked=0, Total=72 [2020-10-28 08:24:35,557 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1276 states. [2020-10-28 08:24:35,702 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1276 to 1006. [2020-10-28 08:24:35,702 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1006 states. [2020-10-28 08:24:35,711 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1006 states to 1006 states and 1414 transitions. [2020-10-28 08:24:35,712 INFO L78 Accepts]: Start accepts. Automaton has 1006 states and 1414 transitions. Word has length 64 [2020-10-28 08:24:35,712 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-28 08:24:35,712 INFO L481 AbstractCegarLoop]: Abstraction has 1006 states and 1414 transitions. [2020-10-28 08:24:35,712 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-10-28 08:24:35,713 INFO L276 IsEmpty]: Start isEmpty. Operand 1006 states and 1414 transitions. [2020-10-28 08:24:35,716 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 81 [2020-10-28 08:24:35,716 INFO L414 BasicCegarLoop]: Found error trace [2020-10-28 08:24:35,717 INFO L422 BasicCegarLoop]: trace histogram [4, 4, 4, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-28 08:24:35,717 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-10-28 08:24:35,717 INFO L429 AbstractCegarLoop]: === Iteration 3 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-28 08:24:35,718 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-28 08:24:35,718 INFO L82 PathProgramCache]: Analyzing trace with hash -1600936211, now seen corresponding path program 1 times [2020-10-28 08:24:35,718 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-28 08:24:35,718 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [576760539] [2020-10-28 08:24:35,718 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-28 08:24:38,879 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-10-28 08:24:38,901 INFO L173 FreeRefinementEngine]: Strategy FIXED_PREFERENCES found a feasible trace [2020-10-28 08:24:38,902 INFO L523 BasicCegarLoop]: Counterexample might be feasible [2020-10-28 08:24:38,907 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-10-28 08:24:38,981 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 28.10 08:24:38 BoogieIcfgContainer [2020-10-28 08:24:38,981 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-10-28 08:24:38,985 INFO L168 Benchmark]: Toolchain (without parser) took 102567.44 ms. Allocated memory was 151.0 MB in the beginning and 1.0 GB in the end (delta: 895.5 MB). Free memory was 97.7 MB in the beginning and 492.3 MB in the end (delta: -394.5 MB). Peak memory consumption was 683.2 MB. Max. memory is 8.0 GB. [2020-10-28 08:24:38,986 INFO L168 Benchmark]: CDTParser took 0.24 ms. Allocated memory is still 151.0 MB. Free memory is still 122.8 MB. There was no memory consumed. Max. memory is 8.0 GB. [2020-10-28 08:24:38,992 INFO L168 Benchmark]: CACSL2BoogieTranslator took 2002.66 ms. Allocated memory was 151.0 MB in the beginning and 217.1 MB in the end (delta: 66.1 MB). Free memory was 97.1 MB in the beginning and 166.2 MB in the end (delta: -69.0 MB). Peak memory consumption was 55.1 MB. Max. memory is 8.0 GB. [2020-10-28 08:24:38,993 INFO L168 Benchmark]: Boogie Preprocessor took 307.85 ms. Allocated memory is still 217.1 MB. Free memory was 165.7 MB in the beginning and 139.2 MB in the end (delta: 26.5 MB). Peak memory consumption was 26.2 MB. Max. memory is 8.0 GB. [2020-10-28 08:24:38,994 INFO L168 Benchmark]: RCFGBuilder took 6316.17 ms. Allocated memory was 217.1 MB in the beginning and 350.2 MB in the end (delta: 133.2 MB). Free memory was 138.9 MB in the beginning and 190.6 MB in the end (delta: -51.6 MB). Peak memory consumption was 149.4 MB. Max. memory is 8.0 GB. [2020-10-28 08:24:38,995 INFO L168 Benchmark]: TraceAbstraction took 93925.40 ms. Allocated memory was 350.2 MB in the beginning and 1.0 GB in the end (delta: 696.3 MB). Free memory was 190.0 MB in the beginning and 492.3 MB in the end (delta: -302.3 MB). Peak memory consumption was 575.4 MB. Max. memory is 8.0 GB. [2020-10-28 08:24:39,006 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.24 ms. Allocated memory is still 151.0 MB. Free memory is still 122.8 MB. There was no memory consumed. Max. memory is 8.0 GB. * CACSL2BoogieTranslator took 2002.66 ms. Allocated memory was 151.0 MB in the beginning and 217.1 MB in the end (delta: 66.1 MB). Free memory was 97.1 MB in the beginning and 166.2 MB in the end (delta: -69.0 MB). Peak memory consumption was 55.1 MB. Max. memory is 8.0 GB. * Boogie Preprocessor took 307.85 ms. Allocated memory is still 217.1 MB. Free memory was 165.7 MB in the beginning and 139.2 MB in the end (delta: 26.5 MB). Peak memory consumption was 26.2 MB. Max. memory is 8.0 GB. * RCFGBuilder took 6316.17 ms. Allocated memory was 217.1 MB in the beginning and 350.2 MB in the end (delta: 133.2 MB). Free memory was 138.9 MB in the beginning and 190.6 MB in the end (delta: -51.6 MB). Peak memory consumption was 149.4 MB. Max. memory is 8.0 GB. * TraceAbstraction took 93925.40 ms. Allocated memory was 350.2 MB in the beginning and 1.0 GB in the end (delta: 696.3 MB). Free memory was 190.0 MB in the beginning and 492.3 MB in the end (delta: -302.3 MB). Peak memory consumption was 575.4 MB. Max. memory is 8.0 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - CounterExampleResult [Line: 12]: a call of __VERIFIER_error() is reachable a call of __VERIFIER_error() is reachable We found a FailurePath: [L2588] int ldv_state_variable_1 ; [L2589] int LDV_IN_INTERRUPT = 1; [L2590] int ref_cnt ; [L2591] int ldv_state_variable_0 ; [L2671-L2689] static struct physical_voice_info pv_map[18U] = { {0U, 2U, 0U, {0U, 3U, 8U, 11U}}, {1U, 2U, 0U, {1U, 4U, 9U, 12U}}, {2U, 2U, 0U, {2U, 5U, 10U, 13U}}, {3U, 2U, 0U, {8U, 11U, 0U, 0U}}, {4U, 2U, 0U, {9U, 12U, 0U, 0U}}, {5U, 2U, 0U, {10U, 13U, 0U, 0U}}, {6U, 2U, 0U, {16U, 19U, 0U, 0U}}, {7U, 2U, 0U, {17U, 20U, 0U, 0U}}, {8U, 2U, 0U, {18U, 21U, 0U, 0U}}, {0U, 2U, 1U, {0U, 3U, 8U, 11U}}, {1U, 2U, 1U, {1U, 4U, 9U, 12U}}, {2U, 2U, 1U, {2U, 5U, 10U, 13U}}, {3U, 2U, 1U, {8U, 11U, 0U, 0U}}, {4U, 2U, 1U, {9U, 12U, 0U, 0U}}, {5U, 2U, 1U, {10U, 13U, 0U, 0U}}, {6U, 2U, 1U, {16U, 19U, 0U, 0U}}, {7U, 2U, 1U, {17U, 20U, 0U, 0U}}, {8U, 2U, 1U, {18U, 21U, 0U, 0U}}}; [L2690] static struct opl_devinfo *devc = (struct opl_devinfo *)0; [L2691] static int detected_model ; [L2984-L3016] static char fm_volume_table[128U] = { -64, -48, -40, -35, -32, -29, -27, -26, -24, -23, -21, -20, -19, -18, -18, -17, -16, -15, -15, -14, -13, -13, -12, -12, -11, -11, -10, -10, -10, -9, -9, -8, -8, -8, -7, -7, -7, -6, -6, -6, -5, -5, -5, -5, -4, -4, -4, -4, -3, -3, -3, -3, -2, -2, -2, -2, -2, -1, -1, -1, -1, 0, 0, 0, 0, 0, 0, 1, 1, 1, 1, 1, 1, 2, 2, 2, 2, 2, 2, 2, 3, 3, 3, 3, 3, 3, 3, 4, 4, 4, 4, 4, 4, 4, 4, 5, 5, 5, 5, 5, 5, 5, 5, 5, 6, 6, 6, 6, 6, 6, 6, 6, 6, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 8, 8, 8, 8, 8}; [L3747-L4797] static struct synth_operations opl3_operations = {& __this_module, (char *)"OPL", (struct synth_info *)0, 0, 0, 0, & opl3_open, & opl3_close, & opl3_ioctl, & opl3_kill_note, & opl3_start_note, & opl3_set_instr, & opl3_reset, & opl3_hw_control, & opl3_load_patch, & opl3_aftertouch, & opl3_controller, & 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(unsigned char)0, (unsigned char)0, (unsigned char)0, (unsigned char)0, (unsigned char)0, (unsigned char)0, (unsigned char)0, (unsigned char)0, (unsigned char)0}, 0}; [L4904] static int me ; [L4905] static int io = -1; [L4943] int ldv_retval_0 ; [L4944] int ldv_retval_1 ; [L4949] int ldvarg18 ; [L4950] int tmp ; [L4951] int ldvarg11 ; [L4952] int tmp___0 ; [L4953] int ldvarg32 ; [L4954] int tmp___1 ; [L4955] int ldvarg7 ; [L4956] int tmp___2 ; [L4957] unsigned char *ldvarg23 ; [L4958] void *tmp___3 ; [L4959] int ldvarg43 ; [L4960] int tmp___4 ; [L4961] int ldvarg42 ; [L4962] int tmp___5 ; [L4963] int ldvarg12 ; [L4964] int tmp___6 ; [L4965] int ldvarg46 ; [L4966] int tmp___7 ; [L4967] int ldvarg1 ; [L4968] int tmp___8 ; [L4969] int ldvarg37 ; [L4970] int tmp___9 ; [L4971] int ldvarg29 ; [L4972] int tmp___10 ; [L4973] struct voice_alloc_info *ldvarg44 ; [L4974] void *tmp___11 ; [L4975] int ldvarg24 ; [L4976] int tmp___12 ; [L4977] int ldvarg35 ; [L4978] int tmp___13 ; [L4979] int ldvarg0 ; [L4980] int tmp___14 ; [L4981] int ldvarg38 ; [L4982] int tmp___15 ; [L4983] int ldvarg5 ; [L4984] int tmp___16 ; [L4985] void *ldvarg33 ; [L4986] void *tmp___17 ; [L4987] int ldvarg16 ; [L4988] int tmp___18 ; [L4989] int ldvarg6 ; [L4990] int tmp___19 ; [L4991] int ldvarg4 ; [L4992] int tmp___20 ; [L4993] int ldvarg14 ; [L4994] int tmp___21 ; [L4995] unsigned int ldvarg34 ; [L4996] unsigned int tmp___22 ; [L4997] int ldvarg28 ; [L4998] int tmp___23 ; [L4999] int ldvarg2 ; [L5000] int tmp___24 ; [L5001] int ldvarg47 ; [L5002] int tmp___25 ; [L5003] int ldvarg39 ; [L5004] int tmp___26 ; [L5005] int ldvarg20 ; [L5006] int tmp___27 ; [L5007] int ldvarg31 ; [L5008] int tmp___28 ; [L5009] int ldvarg41 ; [L5010] int tmp___29 ; [L5011] int ldvarg3 ; [L5012] int tmp___30 ; [L5013] char *ldvarg8 ; [L5014] void *tmp___31 ; [L5015] int ldvarg13 ; [L5016] int tmp___32 ; [L5017] int ldvarg36 ; [L5018] int tmp___33 ; [L5019] int ldvarg10 ; [L5020] int tmp___34 ; [L5021] int ldvarg40 ; [L5022] int tmp___35 ; [L5023] int ldvarg9 ; [L5024] int tmp___36 ; [L5025] int ldvarg45 ; [L5026] int tmp___37 ; [L5027] int ldvarg26 ; [L5028] int tmp___38 ; [L5029] int ldvarg27 ; [L5030] int tmp___39 ; [L5031] int ldvarg15 ; [L5032] int tmp___40 ; [L5033] int ldvarg30 ; [L5034] int tmp___41 ; [L5035] int ldvarg21 ; [L5036] int tmp___42 ; [L5037] int ldvarg17 ; [L5038] int tmp___43 ; [L5039] int ldvarg25 ; [L5040] int tmp___44 ; [L5041] int ldvarg22 ; [L5042] int tmp___45 ; [L5043] int ldvarg19 ; [L5044] int tmp___46 ; [L5045] int tmp___47 ; [L5046] int tmp___48 ; [L5047] int tmp___49 ; [L5049] tmp = __VERIFIER_nondet_int() [L5050] ldvarg18 = tmp [L5051] tmp___0 = __VERIFIER_nondet_int() [L5052] ldvarg11 = tmp___0 [L5053] tmp___1 = __VERIFIER_nondet_int() [L5054] ldvarg32 = tmp___1 [L5055] tmp___2 = __VERIFIER_nondet_int() [L5056] ldvarg7 = tmp___2 [L5057] CALL, EXPR ldv_zalloc(1UL) [L2530] void *p ; [L2531] void *tmp ; [L2532] int tmp___0 ; [L2534] tmp___0 = __VERIFIER_nondet_int() [L2535] COND TRUE tmp___0 != 0 [L2536] return ((void *)0); [L5057] RET, EXPR ldv_zalloc(1UL) [L5057] tmp___3 = ldv_zalloc(1UL) [L5058] ldvarg23 = (unsigned char *)tmp___3 [L5059] tmp___4 = __VERIFIER_nondet_int() [L5060] ldvarg43 = tmp___4 [L5061] tmp___5 = __VERIFIER_nondet_int() [L5062] ldvarg42 = tmp___5 [L5063] tmp___6 = __VERIFIER_nondet_int() [L5064] ldvarg12 = tmp___6 [L5065] tmp___7 = __VERIFIER_nondet_int() [L5066] ldvarg46 = tmp___7 [L5067] tmp___8 = __VERIFIER_nondet_int() [L5068] ldvarg1 = tmp___8 [L5069] tmp___9 = __VERIFIER_nondet_int() [L5070] ldvarg37 = tmp___9 [L5071] tmp___10 = __VERIFIER_nondet_int() [L5072] ldvarg29 = tmp___10 [L5073] CALL, EXPR ldv_zalloc(208UL) [L2530] void *p ; [L2531] void *tmp ; [L2532] int tmp___0 ; [L2534] tmp___0 = __VERIFIER_nondet_int() [L2535] COND TRUE tmp___0 != 0 [L2536] return ((void *)0); [L5073] RET, EXPR ldv_zalloc(208UL) [L5073] tmp___11 = ldv_zalloc(208UL) [L5074] ldvarg44 = (struct voice_alloc_info *)tmp___11 [L5075] tmp___12 = __VERIFIER_nondet_int() [L5076] ldvarg24 = tmp___12 [L5077] tmp___13 = __VERIFIER_nondet_int() [L5078] ldvarg35 = tmp___13 [L5079] tmp___14 = __VERIFIER_nondet_int() [L5080] ldvarg0 = tmp___14 [L5081] tmp___15 = __VERIFIER_nondet_int() [L5082] ldvarg38 = tmp___15 [L5083] tmp___16 = __VERIFIER_nondet_int() [L5084] ldvarg5 = tmp___16 [L5085] CALL, EXPR ldv_zalloc(1UL) [L2530] void *p ; [L2531] void *tmp ; [L2532] int tmp___0 ; [L2534] tmp___0 = __VERIFIER_nondet_int() [L2535] COND TRUE tmp___0 != 0 [L2536] return ((void *)0); [L5085] RET, EXPR ldv_zalloc(1UL) [L5085] tmp___17 = ldv_zalloc(1UL) [L5086] ldvarg33 = tmp___17 [L5087] tmp___18 = __VERIFIER_nondet_int() [L5088] ldvarg16 = tmp___18 [L5089] tmp___19 = __VERIFIER_nondet_int() [L5090] ldvarg6 = tmp___19 [L5091] tmp___20 = __VERIFIER_nondet_int() [L5092] ldvarg4 = tmp___20 [L5093] tmp___21 = __VERIFIER_nondet_int() [L5094] ldvarg14 = tmp___21 [L5095] tmp___22 = __VERIFIER_nondet_uint() [L5096] ldvarg34 = tmp___22 [L5097] tmp___23 = __VERIFIER_nondet_int() [L5098] ldvarg28 = tmp___23 [L5099] tmp___24 = __VERIFIER_nondet_int() [L5100] ldvarg2 = tmp___24 [L5101] tmp___25 = __VERIFIER_nondet_int() [L5102] ldvarg47 = tmp___25 [L5103] tmp___26 = __VERIFIER_nondet_int() [L5104] ldvarg39 = tmp___26 [L5105] tmp___27 = __VERIFIER_nondet_int() [L5106] ldvarg20 = tmp___27 [L5107] tmp___28 = __VERIFIER_nondet_int() [L5108] ldvarg31 = tmp___28 [L5109] tmp___29 = __VERIFIER_nondet_int() [L5110] ldvarg41 = tmp___29 [L5111] tmp___30 = __VERIFIER_nondet_int() [L5112] ldvarg3 = tmp___30 [L5113] CALL, EXPR ldv_zalloc(1UL) [L2530] void *p ; [L2531] void *tmp ; [L2532] int tmp___0 ; [L2534] tmp___0 = __VERIFIER_nondet_int() [L2535] COND TRUE tmp___0 != 0 [L2536] return ((void *)0); [L5113] RET, EXPR ldv_zalloc(1UL) [L5113] tmp___31 = ldv_zalloc(1UL) [L5114] ldvarg8 = (char *)tmp___31 [L5115] tmp___32 = __VERIFIER_nondet_int() [L5116] ldvarg13 = tmp___32 [L5117] tmp___33 = __VERIFIER_nondet_int() [L5118] ldvarg36 = tmp___33 [L5119] tmp___34 = __VERIFIER_nondet_int() [L5120] ldvarg10 = tmp___34 [L5121] tmp___35 = __VERIFIER_nondet_int() [L5122] ldvarg40 = tmp___35 [L5123] tmp___36 = __VERIFIER_nondet_int() [L5124] ldvarg9 = tmp___36 [L5125] tmp___37 = __VERIFIER_nondet_int() [L5126] ldvarg45 = tmp___37 [L5127] tmp___38 = __VERIFIER_nondet_int() [L5128] ldvarg26 = tmp___38 [L5129] tmp___39 = __VERIFIER_nondet_int() [L5130] ldvarg27 = tmp___39 [L5131] tmp___40 = __VERIFIER_nondet_int() [L5132] ldvarg15 = tmp___40 [L5133] tmp___41 = __VERIFIER_nondet_int() [L5134] ldvarg30 = tmp___41 [L5135] tmp___42 = __VERIFIER_nondet_int() [L5136] ldvarg21 = tmp___42 [L5137] tmp___43 = __VERIFIER_nondet_int() [L5138] ldvarg17 = tmp___43 [L5139] tmp___44 = __VERIFIER_nondet_int() [L5140] ldvarg25 = tmp___44 [L5141] tmp___45 = __VERIFIER_nondet_int() [L5142] ldvarg22 = tmp___45 [L5143] tmp___46 = __VERIFIER_nondet_int() [L5144] ldvarg19 = tmp___46 [L5145] FCALL ldv_initialize() [L5146] ldv_state_variable_1 = 0 [L5147] ref_cnt = 0 [L5148] ldv_state_variable_0 = 1 [L5150] tmp___47 = __VERIFIER_nondet_int() [L5152] case 0: [L5351] case 1: [L5352] COND TRUE ldv_state_variable_0 != 0 [L5353] tmp___49 = __VERIFIER_nondet_int() [L5355] case 0: [L5363] case 1: [L5364] COND TRUE ldv_state_variable_0 == 1 [L5365] CALL, EXPR init_opl3() [L4908] int tmp ; [L4911] COND FALSE !(io != -1) [L4920] return (0); [L5365] RET, EXPR init_opl3() [L5365] ldv_retval_1 = init_opl3() [L5366] COND TRUE ldv_retval_1 == 0 [L5367] ldv_state_variable_0 = 3 [L5368] ldv_state_variable_1 = 1 [L5371] COND FALSE !(ldv_retval_1 != 0) [L5150] tmp___47 = __VERIFIER_nondet_int() [L5152] case 0: [L5153] COND TRUE ldv_state_variable_1 != 0 [L5154] tmp___48 = __VERIFIER_nondet_int() [L5156] case 0: [L5168] case 1: [L5180] case 2: [L5191] case 3: [L5203] case 4: [L5215] case 5: [L5227] case 6: [L5239] case 7: [L5251] case 8: [L5263] case 9: [L5275] case 10: [L5282] case 11: [L5294] case 12: [L5306] case 13: [L5307] COND TRUE ldv_state_variable_1 == 1 [L5308-L5309] CALL opl3_load_patch(ldvarg7, ldvarg9, (char const *)ldvarg8, ldvarg6, ldvarg10, ldvarg5) [L3438] struct sbi_instrument ins ; [L3439] unsigned long tmp ; [L3440] int tmp___0 ; [L3442] COND FALSE !((unsigned int )count <= 39U) [L3447-L3448] CALL ldv_copy_from_user_7((void *)(& ins) + (unsigned long )offs, (void const *)addr + (unsigned long )offs, 40UL - (unsigned long )offs) [L5439] unsigned long tmp ; [L5441] CALL ldv_check_len((long )n) [L5481] COND FALSE !(n >= 0L) [L5483] CALL ldv_error() [L2565] CALL reach_error() [L12] COND FALSE !(0) [L12] __assert_fail ("0", "linux-stable-42f9f8d-1-111_1a-sound--oss--opl3.ko-entry_point.cil.out.c", 3, __extension__ __PRETTY_FUNCTION__) - StatisticsResult: Ultimate Automizer benchmark data CFG has 78 procedures, 893 locations, 1 error locations. Started 1 CEGAR loops. VerificationResult: UNSAFE, OverallTime: 93.7s, OverallIterations: 3, TraceHistogramMax: 4, AutomataDifference: 73.2s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 2357 SDtfs, 2254 SDslu, 4702 SDs, 0 SdLazy, 5752 SolverSat, 1286 SolverUnsat, 1 SolverUnknown, 0 SolverNotchecked, 60.3s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 45 GetRequests, 26 SyntacticMatches, 0 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 13 ImplicationChecksByTransitivity, 4.6s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=1006occurred in iteration=2, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.4s AutomataMinimizationTime, 2 MinimizatonAttempts, 484 StatesRemovedByMinimization, 2 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.2s SsaConstructionTime, 3.8s SatisfiabilityAnalysisTime, 15.6s InterpolantComputationTime, 199 NumberOfCodeBlocks, 199 NumberOfCodeBlocksAsserted, 3 NumberOfCheckSat, 117 ConstructedInterpolants, 0 QuantifiedInterpolants, 35424 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 2 InterpolantComputations, 2 PerfectInterpolantSequences, 48/48 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be incorrect! Received shutdown request...