/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=WIDESTAMONGSMALL --traceabstraction.additional.smt.options tolerance=0.6 --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 [2020-10-29 03:02:48,871 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-10-29 03:02:48,876 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-10-29 03:02:48,932 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-10-29 03:02:48,932 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-10-29 03:02:48,938 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-10-29 03:02:48,941 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-10-29 03:02:48,946 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-10-29 03:02:48,950 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-10-29 03:02:48,955 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-10-29 03:02:48,957 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-10-29 03:02:48,959 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-10-29 03:02:48,959 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-10-29 03:02:48,962 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-10-29 03:02:48,964 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-10-29 03:02:48,966 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-10-29 03:02:48,967 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-10-29 03:02:48,970 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-10-29 03:02:48,977 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-10-29 03:02:48,985 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-10-29 03:02:48,986 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-10-29 03:02:48,988 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-10-29 03:02:48,990 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-10-29 03:02:48,992 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-10-29 03:02:49,012 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-10-29 03:02:49,015 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-10-29 03:02:49,015 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-10-29 03:02:49,016 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-10-29 03:02:49,017 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-10-29 03:02:49,018 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-10-29 03:02:49,018 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-10-29 03:02:49,019 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-10-29 03:02:49,020 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-10-29 03:02:49,021 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-10-29 03:02:49,022 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-10-29 03:02:49,022 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-10-29 03:02:49,023 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-10-29 03:02:49,023 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-10-29 03:02:49,024 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-10-29 03:02:49,025 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-10-29 03:02:49,025 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-10-29 03:02:49,027 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 03:02:49,053 INFO L113 SettingsManager]: Loading preferences was successful [2020-10-29 03:02:49,054 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-10-29 03:02:49,055 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-10-29 03:02:49,055 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-10-29 03:02:49,056 INFO L138 SettingsManager]: * Use SBE=true [2020-10-29 03:02:49,056 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-10-29 03:02:49,056 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-10-29 03:02:49,056 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-10-29 03:02:49,057 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-10-29 03:02:49,057 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-10-29 03:02:49,057 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-10-29 03:02:49,057 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-10-29 03:02:49,057 INFO L138 SettingsManager]: * Use constant arrays=true [2020-10-29 03:02:49,058 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-10-29 03:02:49,058 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-10-29 03:02:49,058 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-10-29 03:02:49,058 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-10-29 03:02:49,059 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-10-29 03:02:49,059 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-10-29 03:02:49,059 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-10-29 03:02:49,059 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-10-29 03:02:49,060 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-10-29 03:02:49,060 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-10-29 03:02:49,060 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-10-29 03:02:49,060 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-10-29 03:02:49,060 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-10-29 03:02:49,061 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2020-10-29 03:02:49,061 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Trace refinement strategy -> FIXED_PREFERENCES Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute Interpolants along a Counterexample -> Craig_NestedInterpolation Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: SMT solver -> Internal_SMTInterpol Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute trace for counterexample result -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder: Size of a code block -> SequenceOfStatements Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Use minimal unsat core enumeration -> true Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=5000;interpolation-heuristic=WIDESTAMONGSMALL;tolerance=0.6;log-additional-information=true;unknown-allowed=true; [2020-10-29 03:02:49,436 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-10-29 03:02:49,461 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-10-29 03:02:49,464 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-10-29 03:02:49,465 INFO L271 PluginConnector]: Initializing CDTParser... [2020-10-29 03:02:49,466 INFO L275 PluginConnector]: CDTParser initialized [2020-10-29 03:02:49,467 INFO L432 ainManager$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 [2020-10-29 03:02:49,561 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/e7441c9d1/d838f5352ae54a39be4cb703074bb553/FLAG8f76b14af [2020-10-29 03:02:50,559 INFO L306 CDTParser]: Found 1 translation units. [2020-10-29 03:02:50,559 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 [2020-10-29 03:02:50,595 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/e7441c9d1/d838f5352ae54a39be4cb703074bb553/FLAG8f76b14af [2020-10-29 03:02:51,039 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/e7441c9d1/d838f5352ae54a39be4cb703074bb553 [2020-10-29 03:02:51,042 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-10-29 03:02:51,050 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-10-29 03:02:51,052 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-10-29 03:02:51,052 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-10-29 03:02:51,056 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-10-29 03:02:51,057 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 29.10 03:02:51" (1/1) ... [2020-10-29 03:02:51,061 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1bf5501a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 03:02:51, skipping insertion in model container [2020-10-29 03:02:51,061 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 29.10 03:02:51" (1/1) ... [2020-10-29 03:02:51,069 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-10-29 03:02:51,172 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-10-29 03:02:52,189 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-29 03:02:52,299 INFO L203 MainTranslator]: Completed pre-run [2020-10-29 03:02:52,532 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-29 03:02:52,748 INFO L208 MainTranslator]: Completed translation [2020-10-29 03:02:52,749 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 03:02:52 WrapperNode [2020-10-29 03:02:52,749 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-10-29 03:02:52,750 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-10-29 03:02:52,751 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-10-29 03:02:52,751 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-10-29 03:02:52,809 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 03:02:52" (1/1) ... [2020-10-29 03:02:52,809 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 03:02:52" (1/1) ... [2020-10-29 03:02:52,887 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 03:02:52" (1/1) ... [2020-10-29 03:02:52,887 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 03:02:52" (1/1) ... [2020-10-29 03:02:53,067 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 03:02:52" (1/1) ... [2020-10-29 03:02:53,101 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 03:02:52" (1/1) ... [2020-10-29 03:02:53,143 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 03:02:52" (1/1) ... [2020-10-29 03:02:53,186 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-10-29 03:02:53,188 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-10-29 03:02:53,188 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-10-29 03:02:53,189 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-10-29 03:02:53,190 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 03:02:52" (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 03:02:53,276 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-10-29 03:02:53,276 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-10-29 03:02:53,276 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error [2020-10-29 03:02:53,276 INFO L138 BoogieDeclarations]: Found implementation of procedure __kmalloc [2020-10-29 03:02:53,277 INFO L138 BoogieDeclarations]: Found implementation of procedure kmalloc [2020-10-29 03:02:53,277 INFO L138 BoogieDeclarations]: Found implementation of procedure kzalloc [2020-10-29 03:02:53,278 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2020-10-29 03:02:53,278 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2020-10-29 03:02:53,278 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_zalloc [2020-10-29 03:02:53,278 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undef_int [2020-10-29 03:02:53,278 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undef_ulong [2020-10-29 03:02:53,278 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_error [2020-10-29 03:02:53,279 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2020-10-29 03:02:53,280 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2020-10-29 03:02:53,280 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_trap [2020-10-29 03:02:53,280 INFO L138 BoogieDeclarations]: Found implementation of procedure outb [2020-10-29 03:02:53,280 INFO L138 BoogieDeclarations]: Found implementation of procedure inb [2020-10-29 03:02:53,283 INFO L138 BoogieDeclarations]: Found implementation of procedure copy_from_user [2020-10-29 03:02:53,283 INFO L138 BoogieDeclarations]: Found implementation of procedure copy_to_user [2020-10-29 03:02:53,283 INFO L138 BoogieDeclarations]: Found implementation of procedure enter_4op_mode [2020-10-29 03:02:53,283 INFO L138 BoogieDeclarations]: Found implementation of procedure opl3_ioctl [2020-10-29 03:02:53,283 INFO L138 BoogieDeclarations]: Found implementation of procedure opl3_detect [2020-10-29 03:02:53,284 INFO L138 BoogieDeclarations]: Found implementation of procedure opl3_kill_note [2020-10-29 03:02:53,284 INFO L138 BoogieDeclarations]: Found implementation of procedure store_instr [2020-10-29 03:02:53,284 INFO L138 BoogieDeclarations]: Found implementation of procedure opl3_set_instr [2020-10-29 03:02:53,284 INFO L138 BoogieDeclarations]: Found implementation of procedure calc_vol [2020-10-29 03:02:53,284 INFO L138 BoogieDeclarations]: Found implementation of procedure set_voice_volume [2020-10-29 03:02:53,284 INFO L138 BoogieDeclarations]: Found implementation of procedure opl3_start_note [2020-10-29 03:02:53,285 INFO L138 BoogieDeclarations]: Found implementation of procedure freq_to_fnum [2020-10-29 03:02:53,285 INFO L138 BoogieDeclarations]: Found implementation of procedure opl3_command [2020-10-29 03:02:53,285 INFO L138 BoogieDeclarations]: Found implementation of procedure opl3_reset [2020-10-29 03:02:53,285 INFO L138 BoogieDeclarations]: Found implementation of procedure opl3_open [2020-10-29 03:02:53,285 INFO L138 BoogieDeclarations]: Found implementation of procedure opl3_close [2020-10-29 03:02:53,285 INFO L138 BoogieDeclarations]: Found implementation of procedure opl3_hw_control [2020-10-29 03:02:53,285 INFO L138 BoogieDeclarations]: Found implementation of procedure opl3_load_patch [2020-10-29 03:02:53,286 INFO L138 BoogieDeclarations]: Found implementation of procedure opl3_panning [2020-10-29 03:02:53,286 INFO L138 BoogieDeclarations]: Found implementation of procedure opl3_volume_method [2020-10-29 03:02:53,286 INFO L138 BoogieDeclarations]: Found implementation of procedure opl3_aftertouch [2020-10-29 03:02:53,286 INFO L138 BoogieDeclarations]: Found implementation of procedure bend_pitch [2020-10-29 03:02:53,286 INFO L138 BoogieDeclarations]: Found implementation of procedure opl3_controller [2020-10-29 03:02:53,286 INFO L138 BoogieDeclarations]: Found implementation of procedure opl3_bender [2020-10-29 03:02:53,287 INFO L138 BoogieDeclarations]: Found implementation of procedure opl3_alloc_voice [2020-10-29 03:02:53,287 INFO L138 BoogieDeclarations]: Found implementation of procedure opl3_setup_voice [2020-10-29 03:02:53,287 INFO L138 BoogieDeclarations]: Found implementation of procedure opl3_init [2020-10-29 03:02:53,287 INFO L138 BoogieDeclarations]: Found implementation of procedure init_opl3 [2020-10-29 03:02:53,287 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup_opl3 [2020-10-29 03:02:53,288 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-10-29 03:02:53,288 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__copy_from_user_1 [2020-10-29 03:02:53,288 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__copy_to_user_2 [2020-10-29 03:02:53,289 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv___copy_user_nocache_3 [2020-10-29 03:02:53,289 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv___copy_user_nocache_4 [2020-10-29 03:02:53,289 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_copy_from_user_7 [2020-10-29 03:02:53,289 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop___0 [2020-10-29 03:02:53,289 INFO L138 BoogieDeclarations]: Found implementation of procedure strlen [2020-10-29 03:02:53,289 INFO L138 BoogieDeclarations]: Found implementation of procedure strnlen [2020-10-29 03:02:53,290 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_len [2020-10-29 03:02:53,290 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_ret_val [2020-10-29 03:02:53,290 INFO L138 BoogieDeclarations]: Found implementation of procedure __const_udelay [2020-10-29 03:02:53,291 INFO L138 BoogieDeclarations]: Found implementation of procedure __copy_user_nocache [2020-10-29 03:02:53,291 INFO L138 BoogieDeclarations]: Found implementation of procedure __release_region [2020-10-29 03:02:53,291 INFO L138 BoogieDeclarations]: Found implementation of procedure __request_region [2020-10-29 03:02:53,292 INFO L138 BoogieDeclarations]: Found implementation of procedure _copy_from_user [2020-10-29 03:02:53,292 INFO L138 BoogieDeclarations]: Found implementation of procedure _copy_to_user [2020-10-29 03:02:53,292 INFO L138 BoogieDeclarations]: Found implementation of procedure compute_finetune [2020-10-29 03:02:53,292 INFO L138 BoogieDeclarations]: Found implementation of procedure conf_printf2 [2020-10-29 03:02:53,292 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_final_state [2020-10-29 03:02:53,292 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_initialize [2020-10-29 03:02:53,292 INFO L138 BoogieDeclarations]: Found implementation of procedure might_fault [2020-10-29 03:02:53,293 INFO L138 BoogieDeclarations]: Found implementation of procedure note_to_freq [2020-10-29 03:02:53,293 INFO L138 BoogieDeclarations]: Found implementation of procedure printk [2020-10-29 03:02:53,293 INFO L138 BoogieDeclarations]: Found implementation of procedure sequencer_init [2020-10-29 03:02:53,293 INFO L138 BoogieDeclarations]: Found implementation of procedure sound_alloc_synthdev [2020-10-29 03:02:53,294 INFO L138 BoogieDeclarations]: Found implementation of procedure sound_unload_synthdev [2020-10-29 03:02:53,294 INFO L138 BoogieDeclarations]: Found implementation of procedure warn_slowpath_fmt [2020-10-29 03:02:53,295 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree [2020-10-29 03:02:53,296 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.meminit [2020-10-29 03:02:53,296 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy [2020-10-29 03:02:53,296 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_strcpy [2020-10-29 03:02:53,296 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2020-10-29 03:02:53,296 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2020-10-29 03:02:53,296 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_perror_fail [2020-10-29 03:02:53,297 INFO L130 BoogieDeclarations]: Found specification of procedure __assert [2020-10-29 03:02:53,297 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error [2020-10-29 03:02:53,297 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-10-29 03:02:53,298 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2020-10-29 03:02:53,298 INFO L130 BoogieDeclarations]: Found specification of procedure printk [2020-10-29 03:02:53,298 INFO L130 BoogieDeclarations]: Found specification of procedure warn_slowpath_fmt [2020-10-29 03:02:53,298 INFO L130 BoogieDeclarations]: Found specification of procedure might_fault [2020-10-29 03:02:53,298 INFO L130 BoogieDeclarations]: Found specification of procedure memcpy [2020-10-29 03:02:53,298 INFO L130 BoogieDeclarations]: Found specification of procedure strcpy [2020-10-29 03:02:53,298 INFO L130 BoogieDeclarations]: Found specification of procedure __request_region [2020-10-29 03:02:53,299 INFO L130 BoogieDeclarations]: Found specification of procedure __release_region [2020-10-29 03:02:53,299 INFO L130 BoogieDeclarations]: Found specification of procedure __const_udelay [2020-10-29 03:02:53,299 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_len [2020-10-29 03:02:53,299 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2020-10-29 03:02:53,299 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2020-10-29 03:02:53,299 INFO L130 BoogieDeclarations]: Found specification of procedure __kmalloc [2020-10-29 03:02:53,300 INFO L130 BoogieDeclarations]: Found specification of procedure kmalloc [2020-10-29 03:02:53,300 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_zalloc [2020-10-29 03:02:53,300 INFO L130 BoogieDeclarations]: Found specification of procedure kzalloc [2020-10-29 03:02:53,300 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2020-10-29 03:02:53,300 INFO L130 BoogieDeclarations]: Found specification of procedure calloc [2020-10-29 03:02:53,300 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2020-10-29 03:02:53,300 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_uint [2020-10-29 03:02:53,301 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_ulong [2020-10-29 03:02:53,301 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2020-10-29 03:02:53,301 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2020-10-29 03:02:53,302 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.meminit [2020-10-29 03:02:53,302 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undef_int [2020-10-29 03:02:53,302 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undef_ulong [2020-10-29 03:02:53,302 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_error [2020-10-29 03:02:53,302 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2020-10-29 03:02:53,302 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_trap [2020-10-29 03:02:53,303 INFO L130 BoogieDeclarations]: Found specification of procedure outb [2020-10-29 03:02:53,304 INFO L130 BoogieDeclarations]: Found specification of procedure inb [2020-10-29 03:02:53,304 INFO L130 BoogieDeclarations]: Found specification of procedure _copy_to_user [2020-10-29 03:02:53,304 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__copy_to_user_2 [2020-10-29 03:02:53,304 INFO L130 BoogieDeclarations]: Found specification of procedure _copy_from_user [2020-10-29 03:02:53,305 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__copy_from_user_1 [2020-10-29 03:02:53,305 INFO L130 BoogieDeclarations]: Found specification of procedure copy_from_user [2020-10-29 03:02:53,305 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_copy_from_user_7 [2020-10-29 03:02:53,305 INFO L130 BoogieDeclarations]: Found specification of procedure copy_to_user [2020-10-29 03:02:53,305 INFO L130 BoogieDeclarations]: Found specification of procedure __copy_user_nocache [2020-10-29 03:02:53,306 INFO L130 BoogieDeclarations]: Found specification of procedure ldv___copy_user_nocache_3 [2020-10-29 03:02:53,306 INFO L130 BoogieDeclarations]: Found specification of procedure ldv___copy_user_nocache_4 [2020-10-29 03:02:53,306 INFO L130 BoogieDeclarations]: Found specification of procedure sequencer_init [2020-10-29 03:02:53,306 INFO L130 BoogieDeclarations]: Found specification of procedure note_to_freq [2020-10-29 03:02:53,306 INFO L130 BoogieDeclarations]: Found specification of procedure compute_finetune [2020-10-29 03:02:53,306 INFO L130 BoogieDeclarations]: Found specification of procedure conf_printf2 [2020-10-29 03:02:53,306 INFO L130 BoogieDeclarations]: Found specification of procedure sound_unload_synthdev [2020-10-29 03:02:53,307 INFO L130 BoogieDeclarations]: Found specification of procedure sound_alloc_synthdev [2020-10-29 03:02:53,307 INFO L130 BoogieDeclarations]: Found specification of procedure store_instr [2020-10-29 03:02:53,308 INFO L130 BoogieDeclarations]: Found specification of procedure freq_to_fnum [2020-10-29 03:02:53,309 INFO L130 BoogieDeclarations]: Found specification of procedure opl3_command [2020-10-29 03:02:53,312 INFO L130 BoogieDeclarations]: Found specification of procedure opl3_kill_note [2020-10-29 03:02:53,312 INFO L130 BoogieDeclarations]: Found specification of procedure enter_4op_mode [2020-10-29 03:02:53,312 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-10-29 03:02:53,312 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2020-10-29 03:02:53,313 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2020-10-29 03:02:53,313 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-10-29 03:02:53,314 INFO L130 BoogieDeclarations]: Found specification of procedure opl3_ioctl [2020-10-29 03:02:53,315 INFO L130 BoogieDeclarations]: Found specification of procedure opl3_detect [2020-10-29 03:02:53,315 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_strcpy [2020-10-29 03:02:53,316 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy [2020-10-29 03:02:53,317 INFO L130 BoogieDeclarations]: Found specification of procedure opl3_set_instr [2020-10-29 03:02:53,322 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2020-10-29 03:02:53,322 INFO L130 BoogieDeclarations]: Found specification of procedure calc_vol [2020-10-29 03:02:53,323 INFO L130 BoogieDeclarations]: Found specification of procedure set_voice_volume [2020-10-29 03:02:53,323 INFO L130 BoogieDeclarations]: Found specification of procedure opl3_start_note [2020-10-29 03:02:53,323 INFO L130 BoogieDeclarations]: Found specification of procedure opl3_reset [2020-10-29 03:02:53,323 INFO L130 BoogieDeclarations]: Found specification of procedure opl3_open [2020-10-29 03:02:53,323 INFO L130 BoogieDeclarations]: Found specification of procedure opl3_close [2020-10-29 03:02:53,323 INFO L130 BoogieDeclarations]: Found specification of procedure opl3_hw_control [2020-10-29 03:02:53,323 INFO L130 BoogieDeclarations]: Found specification of procedure opl3_load_patch [2020-10-29 03:02:53,324 INFO L130 BoogieDeclarations]: Found specification of procedure opl3_panning [2020-10-29 03:02:53,324 INFO L130 BoogieDeclarations]: Found specification of procedure opl3_volume_method [2020-10-29 03:02:53,324 INFO L130 BoogieDeclarations]: Found specification of procedure opl3_aftertouch [2020-10-29 03:02:53,324 INFO L130 BoogieDeclarations]: Found specification of procedure bend_pitch [2020-10-29 03:02:53,325 INFO L130 BoogieDeclarations]: Found specification of procedure opl3_controller [2020-10-29 03:02:53,325 INFO L130 BoogieDeclarations]: Found specification of procedure opl3_bender [2020-10-29 03:02:53,325 INFO L130 BoogieDeclarations]: Found specification of procedure opl3_alloc_voice [2020-10-29 03:02:53,325 INFO L130 BoogieDeclarations]: Found specification of procedure opl3_setup_voice [2020-10-29 03:02:53,325 INFO L130 BoogieDeclarations]: Found specification of procedure opl3_init [2020-10-29 03:02:53,325 INFO L130 BoogieDeclarations]: Found specification of procedure init_opl3 [2020-10-29 03:02:53,325 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup_opl3 [2020-10-29 03:02:53,326 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_initialize [2020-10-29 03:02:53,326 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_final_state [2020-10-29 03:02:53,326 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-10-29 03:02:53,326 INFO L130 BoogieDeclarations]: Found specification of procedure strlen [2020-10-29 03:02:53,326 INFO L130 BoogieDeclarations]: Found specification of procedure strnlen [2020-10-29 03:02:53,326 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop___0 [2020-10-29 03:02:53,326 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_ret_val [2020-10-29 03:02:53,326 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_long [2020-10-29 03:02:53,327 INFO L130 BoogieDeclarations]: Found specification of procedure free [2020-10-29 03:02:53,328 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-10-29 03:02:53,328 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-10-29 03:02:53,328 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2020-10-29 03:02:53,328 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-10-29 03:02:53,328 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2020-10-29 03:02:53,328 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2020-10-29 03:02:53,328 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2020-10-29 03:02:53,329 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int [2020-10-29 03:02:54,400 INFO L751 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stopFINAL: assume true; [2020-10-29 03:02:57,329 INFO L751 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stop___0FINAL: assume true; [2020-10-29 03:02:59,231 INFO L293 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-10-29 03:02:59,231 INFO L298 CfgBuilder]: Removed 2 assume(true) statements. [2020-10-29 03:02:59,235 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.10 03:02:59 BoogieIcfgContainer [2020-10-29 03:02:59,235 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-10-29 03:02:59,237 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-10-29 03:02:59,237 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-10-29 03:02:59,241 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-10-29 03:02:59,241 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 29.10 03:02:51" (1/3) ... [2020-10-29 03:02:59,242 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1718af49 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 29.10 03:02:59, skipping insertion in model container [2020-10-29 03:02:59,242 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 03:02:52" (2/3) ... [2020-10-29 03:02:59,243 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1718af49 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 29.10 03:02:59, skipping insertion in model container [2020-10-29 03:02:59,243 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.10 03:02:59" (3/3) ... [2020-10-29 03:02:59,245 INFO L111 eAbstractionObserver]: Analyzing ICFG linux-stable-42f9f8d-1-111_1a-sound--oss--opl3.ko-entry_point.cil.out.i [2020-10-29 03:02:59,259 INFO L164 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:Craig_NestedInterpolation Determinization: PREDICATE_ABSTRACTION [2020-10-29 03:02:59,266 INFO L176 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-10-29 03:02:59,281 INFO L253 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-10-29 03:02:59,317 INFO L377 AbstractCegarLoop]: Interprodecural is true [2020-10-29 03:02:59,317 INFO L378 AbstractCegarLoop]: Hoare is true [2020-10-29 03:02:59,317 INFO L379 AbstractCegarLoop]: Compute interpolants for Craig_NestedInterpolation [2020-10-29 03:02:59,317 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-10-29 03:02:59,317 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-10-29 03:02:59,317 INFO L382 AbstractCegarLoop]: Difference is false [2020-10-29 03:02:59,318 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-10-29 03:02:59,318 INFO L387 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-10-29 03:02:59,357 INFO L276 IsEmpty]: Start isEmpty. Operand 854 states. [2020-10-29 03:02:59,373 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 56 [2020-10-29 03:02:59,373 INFO L414 BasicCegarLoop]: Found error trace [2020-10-29 03:02:59,374 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] [2020-10-29 03:02:59,375 INFO L429 AbstractCegarLoop]: === Iteration 1 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-29 03:02:59,382 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-29 03:02:59,382 INFO L82 PathProgramCache]: Analyzing trace with hash 2029237765, now seen corresponding path program 1 times [2020-10-29 03:02:59,393 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-29 03:02:59,393 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [2128013878] [2020-10-29 03:02:59,394 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-29 03:03:00,121 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 03:03:00,489 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 03:03:01,212 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 03:03:08,627 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 03:03:08,628 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 81 [2020-10-29 03:03:08,628 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-29 03:03:08,628 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 8500 [2020-10-29 03:03:08,641 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-29 03:03:08,642 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-29 03:03:08,644 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 03:03:08,644 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 49 [2020-10-29 03:03:08,645 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-10-29 03:03:08,645 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 16 [2020-10-29 03:03:09,334 WARN L193 SmtUtils]: Spent 371.00 ms on a formula simplification that was a NOOP. DAG size: 202 [2020-10-29 03:03:09,336 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-29 03:03:09,379 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 03:03:09,392 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 03:03:10,069 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 03:03:10,069 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-29 03:03:10,069 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 03:03:10,070 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 689 [2020-10-29 03:03:10,070 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-29 03:03:10,070 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-29 03:03:10,070 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 03:03:10,070 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 03:03:10,071 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 03:03:10,071 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 03:03:10,278 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-29 03:03:10,281 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 03:03:10,285 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 03:03:10,288 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 03:03:10,288 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-29 03:03:10,288 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 03:03:10,289 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-29 03:03:10,289 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-29 03:03:10,289 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-29 03:03:10,289 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 03:03:10,289 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 03:03:10,290 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 03:03:10,290 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-29 03:03:10,296 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-29 03:03:10,300 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 03:03:10,304 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 03:03:10,312 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 03:03:10,313 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-29 03:03:10,313 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 03:03:10,313 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 11 [2020-10-29 03:03:10,313 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-29 03:03:10,313 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-29 03:03:10,314 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 03:03:10,314 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 03:03:10,314 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 03:03:10,314 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 03:03:10,321 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-10-29 03:03:10,326 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 03:03:10,332 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 03:03:10,336 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 03:03:10,336 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-29 03:03:10,336 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 03:03:10,337 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-10-29 03:03:10,337 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-29 03:03:10,337 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-29 03:03:10,337 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 03:03:10,337 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 03:03:10,337 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 03:03:10,338 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 03:03:10,345 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2020-10-29 03:03:10,357 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 03:03:10,361 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 03:03:10,369 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 03:03:10,370 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-29 03:03:10,370 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 03:03:10,370 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 11 [2020-10-29 03:03:10,370 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-29 03:03:10,370 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-29 03:03:10,371 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 03:03:10,371 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 03:03:10,371 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 03:03:10,371 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 03:03:10,381 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 30 [2020-10-29 03:03:10,382 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 03:03:10,385 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 03:03:10,387 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 03:03:10,387 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-29 03:03:10,387 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 03:03:10,388 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-29 03:03:10,388 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-29 03:03:10,388 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-29 03:03:10,388 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 03:03:10,388 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 03:03:10,389 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 03:03:10,389 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 03:03:10,406 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2020-10-29 03:03:10,407 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [2128013878] [2020-10-29 03:03:10,409 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-29 03:03:10,409 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2020-10-29 03:03:10,410 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1204393189] [2020-10-29 03:03:10,415 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-10-29 03:03:10,415 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-29 03:03:10,431 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-10-29 03:03:10,432 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2020-10-29 03:03:10,434 INFO L87 Difference]: Start difference. First operand 854 states. Second operand 5 states. [2020-10-29 03:03:10,861 WARN L193 SmtUtils]: Spent 399.00 ms on a formula simplification that was a NOOP. DAG size: 205 [2020-10-29 03:03:12,374 WARN L193 SmtUtils]: Spent 353.00 ms on a formula simplification that was a NOOP. DAG size: 207 [2020-10-29 03:03:12,828 WARN L193 SmtUtils]: Spent 385.00 ms on a formula simplification that was a NOOP. DAG size: 204 [2020-10-29 03:03:31,748 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-29 03:03:31,749 INFO L93 Difference]: Finished difference Result 2178 states and 3228 transitions. [2020-10-29 03:03:31,749 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2020-10-29 03:03:31,751 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 55 [2020-10-29 03:03:31,752 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-29 03:03:31,784 INFO L225 Difference]: With dead ends: 2178 [2020-10-29 03:03:31,784 INFO L226 Difference]: Without dead ends: 1266 [2020-10-29 03:03:31,797 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 20 GetRequests, 13 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 1.6s TimeCoverageRelationStatistics Valid=27, Invalid=45, Unknown=0, NotChecked=0, Total=72 [2020-10-29 03:03:31,818 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1266 states. [2020-10-29 03:03:32,139 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1266 to 996. [2020-10-29 03:03:32,140 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 996 states. [2020-10-29 03:03:32,153 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 996 states to 996 states and 1404 transitions. [2020-10-29 03:03:32,157 INFO L78 Accepts]: Start accepts. Automaton has 996 states and 1404 transitions. Word has length 55 [2020-10-29 03:03:32,159 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-29 03:03:32,159 INFO L481 AbstractCegarLoop]: Abstraction has 996 states and 1404 transitions. [2020-10-29 03:03:32,159 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-10-29 03:03:32,160 INFO L276 IsEmpty]: Start isEmpty. Operand 996 states and 1404 transitions. [2020-10-29 03:03:32,177 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 72 [2020-10-29 03:03:32,177 INFO L414 BasicCegarLoop]: Found error trace [2020-10-29 03:03:32,178 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] [2020-10-29 03:03:32,178 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-10-29 03:03:32,178 INFO L429 AbstractCegarLoop]: === Iteration 2 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-29 03:03:32,179 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-29 03:03:32,179 INFO L82 PathProgramCache]: Analyzing trace with hash -741397586, now seen corresponding path program 1 times [2020-10-29 03:03:32,179 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-29 03:03:32,179 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1969073586] [2020-10-29 03:03:32,184 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-29 03:03:32,464 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 03:03:32,692 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 03:03:39,627 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 03:03:39,627 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 99 [2020-10-29 03:03:39,627 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 03:03:39,627 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7157 [2020-10-29 03:03:39,628 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-29 03:03:39,628 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-29 03:03:39,628 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-29 03:03:39,628 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 83 [2020-10-29 03:03:39,628 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-10-29 03:03:39,629 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 03:03:40,310 WARN L193 SmtUtils]: Spent 326.00 ms on a formula simplification that was a NOOP. DAG size: 202 [2020-10-29 03:03:40,311 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-29 03:03:40,345 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 03:03:40,353 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 03:03:40,919 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 03:03:40,919 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-29 03:03:40,920 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 03:03:40,920 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 573 [2020-10-29 03:03:40,920 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-29 03:03:40,920 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-29 03:03:40,921 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 03:03:40,921 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 03:03:40,921 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 03:03:40,921 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-29 03:03:41,108 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-29 03:03:41,110 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 03:03:41,114 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 03:03:41,117 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 03:03:41,117 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-29 03:03:41,118 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 03:03:41,118 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-29 03:03:41,118 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-29 03:03:41,118 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-29 03:03:41,118 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 03:03:41,119 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 03:03:41,119 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 03:03:41,119 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-29 03:03:41,123 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-29 03:03:41,127 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 03:03:41,132 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 03:03:41,135 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 03:03:41,135 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-29 03:03:41,136 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 03:03:41,136 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-10-29 03:03:41,136 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-29 03:03:41,136 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-29 03:03:41,136 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 03:03:41,137 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 03:03:41,138 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 03:03:41,138 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-29 03:03:41,141 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-10-29 03:03:41,143 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 03:03:41,147 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 03:03:41,150 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 03:03:41,150 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-29 03:03:41,150 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 03:03:41,151 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-29 03:03:41,151 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-29 03:03:41,151 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-29 03:03:41,151 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 03:03:41,151 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 03:03:41,152 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 03:03:41,152 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 03:03:41,157 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2020-10-29 03:03:41,158 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 03:03:41,161 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 03:03:41,165 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 03:03:41,165 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-29 03:03:41,165 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 03:03:41,166 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-29 03:03:41,166 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-29 03:03:41,166 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-29 03:03:41,166 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 03:03:41,166 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 03:03:41,167 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 03:03:41,167 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 03:03:41,171 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 30 [2020-10-29 03:03:41,173 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 03:03:41,178 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 03:03:41,181 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 03:03:41,181 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-29 03:03:41,181 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 03:03:41,182 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-10-29 03:03:41,182 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-29 03:03:41,182 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-29 03:03:41,182 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 03:03:41,182 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 03:03:41,182 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 03:03:41,183 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 03:03:41,229 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2020-10-29 03:03:41,231 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 03:03:41,234 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 03:03:41,240 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 03:03:41,241 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-29 03:03:41,241 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 03:03:41,241 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 9 [2020-10-29 03:03:41,241 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-29 03:03:41,241 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-29 03:03:41,242 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 03:03:41,242 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 03:03:41,242 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 03:03:41,242 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 03:03:41,263 INFO L134 CoverageAnalysis]: Checked inductivity of 26 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2020-10-29 03:03:41,263 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1969073586] [2020-10-29 03:03:41,264 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-29 03:03:41,264 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2020-10-29 03:03:41,264 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1657892836] [2020-10-29 03:03:41,266 INFO L461 AbstractCegarLoop]: Interpolant automaton has 9 states [2020-10-29 03:03:41,266 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-29 03:03:41,266 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2020-10-29 03:03:41,267 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=56, Unknown=0, NotChecked=0, Total=72 [2020-10-29 03:03:41,267 INFO L87 Difference]: Start difference. First operand 996 states and 1404 transitions. Second operand 9 states. [2020-10-29 03:03:41,637 WARN L193 SmtUtils]: Spent 348.00 ms on a formula simplification that was a NOOP. DAG size: 211 [2020-10-29 03:03:56,042 WARN L193 SmtUtils]: Spent 527.00 ms on a formula simplification that was a NOOP. DAG size: 214 [2020-10-29 03:03:57,002 WARN L193 SmtUtils]: Spent 547.00 ms on a formula simplification that was a NOOP. DAG size: 216 [2020-10-29 03:03:57,627 WARN L193 SmtUtils]: Spent 360.00 ms on a formula simplification that was a NOOP. DAG size: 214 [2020-10-29 03:03:58,395 WARN L193 SmtUtils]: Spent 424.00 ms on a formula simplification that was a NOOP. DAG size: 216 [2020-10-29 03:04:16,110 WARN L193 SmtUtils]: Spent 401.00 ms on a formula simplification that was a NOOP. DAG size: 214 [2020-10-29 03:04:38,986 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-29 03:04:38,986 INFO L93 Difference]: Finished difference Result 1417 states and 2110 transitions. [2020-10-29 03:04:38,987 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2020-10-29 03:04:38,987 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 71 [2020-10-29 03:04:38,987 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-29 03:04:39,002 INFO L225 Difference]: With dead ends: 1417 [2020-10-29 03:04:39,002 INFO L226 Difference]: Without dead ends: 1412 [2020-10-29 03:04:39,005 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 27 GetRequests, 14 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 8 ImplicationChecksByTransitivity, 3.2s TimeCoverageRelationStatistics Valid=61, Invalid=149, Unknown=0, NotChecked=0, Total=210 [2020-10-29 03:04:39,007 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1412 states. [2020-10-29 03:04:39,163 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1412 to 1006. [2020-10-29 03:04:39,164 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1006 states. [2020-10-29 03:04:39,172 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1006 states to 1006 states and 1414 transitions. [2020-10-29 03:04:39,173 INFO L78 Accepts]: Start accepts. Automaton has 1006 states and 1414 transitions. Word has length 71 [2020-10-29 03:04:39,173 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-29 03:04:39,173 INFO L481 AbstractCegarLoop]: Abstraction has 1006 states and 1414 transitions. [2020-10-29 03:04:39,174 INFO L482 AbstractCegarLoop]: Interpolant automaton has 9 states. [2020-10-29 03:04:39,174 INFO L276 IsEmpty]: Start isEmpty. Operand 1006 states and 1414 transitions. [2020-10-29 03:04:39,178 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 81 [2020-10-29 03:04:39,178 INFO L414 BasicCegarLoop]: Found error trace [2020-10-29 03:04:39,178 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] [2020-10-29 03:04:39,178 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-10-29 03:04:39,179 INFO L429 AbstractCegarLoop]: === Iteration 3 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-29 03:04:39,179 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-29 03:04:39,179 INFO L82 PathProgramCache]: Analyzing trace with hash -1600936211, now seen corresponding path program 1 times [2020-10-29 03:04:39,179 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-29 03:04:39,180 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [153448870] [2020-10-29 03:04:39,180 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-29 03:04:42,591 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-10-29 03:04:42,615 INFO L173 FreeRefinementEngine]: Strategy FIXED_PREFERENCES found a feasible trace [2020-10-29 03:04:42,615 INFO L523 BasicCegarLoop]: Counterexample might be feasible [2020-10-29 03:04:42,620 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-10-29 03:04:42,688 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 29.10 03:04:42 BoogieIcfgContainer [2020-10-29 03:04:42,688 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-10-29 03:04:42,692 INFO L168 Benchmark]: Toolchain (without parser) took 111645.68 ms. Allocated memory was 151.0 MB in the beginning and 992.0 MB in the end (delta: 841.0 MB). Free memory was 118.2 MB in the beginning and 747.5 MB in the end (delta: -629.3 MB). Peak memory consumption was 676.7 MB. Max. memory is 8.0 GB. [2020-10-29 03:04:42,693 INFO L168 Benchmark]: CDTParser took 0.22 ms. Allocated memory is still 151.0 MB. Free memory is still 123.8 MB. There was no memory consumed. Max. memory is 8.0 GB. [2020-10-29 03:04:42,699 INFO L168 Benchmark]: CACSL2BoogieTranslator took 1698.16 ms. Allocated memory is still 151.0 MB. Free memory was 117.4 MB in the beginning and 86.1 MB in the end (delta: 31.3 MB). Peak memory consumption was 90.8 MB. Max. memory is 8.0 GB. [2020-10-29 03:04:42,700 INFO L168 Benchmark]: Boogie Preprocessor took 435.87 ms. Allocated memory was 151.0 MB in the beginning and 203.4 MB in the end (delta: 52.4 MB). Free memory was 86.1 MB in the beginning and 133.2 MB in the end (delta: -47.1 MB). Peak memory consumption was 13.2 MB. Max. memory is 8.0 GB. [2020-10-29 03:04:42,701 INFO L168 Benchmark]: RCFGBuilder took 6046.88 ms. Allocated memory was 203.4 MB in the beginning and 354.4 MB in the end (delta: 151.0 MB). Free memory was 133.2 MB in the beginning and 249.6 MB in the end (delta: -116.4 MB). Peak memory consumption was 195.0 MB. Max. memory is 8.0 GB. [2020-10-29 03:04:42,702 INFO L168 Benchmark]: TraceAbstraction took 103451.60 ms. Allocated memory was 354.4 MB in the beginning and 992.0 MB in the end (delta: 637.5 MB). Free memory was 249.1 MB in the beginning and 747.5 MB in the end (delta: -498.4 MB). Peak memory consumption was 603.1 MB. Max. memory is 8.0 GB. [2020-10-29 03:04:42,716 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.22 ms. Allocated memory is still 151.0 MB. Free memory is still 123.8 MB. There was no memory consumed. Max. memory is 8.0 GB. * CACSL2BoogieTranslator took 1698.16 ms. Allocated memory is still 151.0 MB. Free memory was 117.4 MB in the beginning and 86.1 MB in the end (delta: 31.3 MB). Peak memory consumption was 90.8 MB. Max. memory is 8.0 GB. * Boogie Preprocessor took 435.87 ms. Allocated memory was 151.0 MB in the beginning and 203.4 MB in the end (delta: 52.4 MB). Free memory was 86.1 MB in the beginning and 133.2 MB in the end (delta: -47.1 MB). Peak memory consumption was 13.2 MB. Max. memory is 8.0 GB. * RCFGBuilder took 6046.88 ms. Allocated memory was 203.4 MB in the beginning and 354.4 MB in the end (delta: 151.0 MB). Free memory was 133.2 MB in the beginning and 249.6 MB in the end (delta: -116.4 MB). Peak memory consumption was 195.0 MB. Max. memory is 8.0 GB. * TraceAbstraction took 103451.60 ms. Allocated memory was 354.4 MB in the beginning and 992.0 MB in the end (delta: 637.5 MB). Free memory was 249.1 MB in the beginning and 747.5 MB in the end (delta: -498.4 MB). Peak memory consumption was 603.1 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: 103.3s, OverallIterations: 3, TraceHistogramMax: 4, AutomataDifference: 79.1s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 2228 SDtfs, 2467 SDslu, 4414 SDs, 0 SdLazy, 6380 SolverSat, 1415 SolverUnsat, 2 SolverUnknown, 0 SolverNotchecked, 65.5s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 47 GetRequests, 27 SyntacticMatches, 0 SemanticMatches, 20 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 13 ImplicationChecksByTransitivity, 4.8s 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: 0.5s AutomataMinimizationTime, 2 MinimizatonAttempts, 676 StatesRemovedByMinimization, 2 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 4.1s SatisfiabilityAnalysisTime, 19.0s InterpolantComputationTime, 206 NumberOfCodeBlocks, 206 NumberOfCodeBlocksAsserted, 3 NumberOfCheckSat, 124 ConstructedInterpolants, 0 QuantifiedInterpolants, 39978 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 2 InterpolantComputations, 2 PerfectInterpolantSequences, 50/50 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...