/usr/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.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=BIGGEST --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 -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 0.1.25-adbd35c [2020-10-13 04:13:19,836 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-10-13 04:13:19,839 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-10-13 04:13:19,880 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-10-13 04:13:19,880 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-10-13 04:13:19,889 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-10-13 04:13:19,891 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-10-13 04:13:19,895 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-10-13 04:13:19,898 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-10-13 04:13:19,901 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-10-13 04:13:19,902 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-10-13 04:13:19,903 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-10-13 04:13:19,903 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-10-13 04:13:19,906 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-10-13 04:13:19,908 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-10-13 04:13:19,910 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-10-13 04:13:19,911 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-10-13 04:13:19,912 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-10-13 04:13:19,913 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-10-13 04:13:19,920 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-10-13 04:13:19,921 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-10-13 04:13:19,922 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-10-13 04:13:19,923 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-10-13 04:13:19,924 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-10-13 04:13:19,926 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-10-13 04:13:19,927 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-10-13 04:13:19,927 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-10-13 04:13:19,928 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-10-13 04:13:19,928 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-10-13 04:13:19,929 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-10-13 04:13:19,929 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-10-13 04:13:19,930 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-10-13 04:13:19,931 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-10-13 04:13:19,931 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-10-13 04:13:19,932 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-10-13 04:13:19,933 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-10-13 04:13:19,933 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-10-13 04:13:19,933 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-10-13 04:13:19,934 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-10-13 04:13:19,935 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-10-13 04:13:19,935 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-10-13 04:13:19,936 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 [2020-10-13 04:13:19,958 INFO L113 SettingsManager]: Loading preferences was successful [2020-10-13 04:13:19,958 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-10-13 04:13:19,959 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-10-13 04:13:19,960 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-10-13 04:13:19,960 INFO L138 SettingsManager]: * Use SBE=true [2020-10-13 04:13:19,960 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-10-13 04:13:19,960 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-10-13 04:13:19,960 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-10-13 04:13:19,961 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-10-13 04:13:19,961 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-10-13 04:13:19,961 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-10-13 04:13:19,961 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-10-13 04:13:19,961 INFO L138 SettingsManager]: * Use constant arrays=true [2020-10-13 04:13:19,962 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-10-13 04:13:19,962 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-10-13 04:13:19,962 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-10-13 04:13:19,962 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-10-13 04:13:19,962 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-10-13 04:13:19,963 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-10-13 04:13:19,963 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-10-13 04:13:19,963 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-10-13 04:13:19,963 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-10-13 04:13:19,964 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-10-13 04:13:19,964 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-10-13 04:13:19,964 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-10-13 04:13:19,964 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-10-13 04:13:19,964 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2020-10-13 04:13:19,965 INFO L138 SettingsManager]: * To the following directory=dump/ 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=BIGGEST;log-additional-information=true;unknown-allowed=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=BIGGEST;log-additional-information=true;unknown-allowed=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=BIGGEST;log-additional-information=true;unknown-allowed=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=BIGGEST;log-additional-information=true;unknown-allowed=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=BIGGEST;log-additional-information=true;unknown-allowed=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=BIGGEST;log-additional-information=true;unknown-allowed=true; [2020-10-13 04:13:20,268 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-10-13 04:13:20,281 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-10-13 04:13:20,285 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-10-13 04:13:20,287 INFO L271 PluginConnector]: Initializing CDTParser... [2020-10-13 04:13:20,287 INFO L275 PluginConnector]: CDTParser initialized [2020-10-13 04:13:20,288 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/ldv-validator-v0.6/linux-stable-42f9f8d-1-111_1a-sound--oss--opl3.ko-entry_point.cil.out.i [2020-10-13 04:13:20,355 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/fd637b114/ea67720892864d5aade6695776bac42a/FLAGa86750532 [2020-10-13 04:13:21,128 INFO L306 CDTParser]: Found 1 translation units. [2020-10-13 04:13:21,128 INFO L160 CDTParser]: Scanning /storage/repos/ultimate-2/trunk/examples/svcomp/ldv-validator-v0.6/linux-stable-42f9f8d-1-111_1a-sound--oss--opl3.ko-entry_point.cil.out.i [2020-10-13 04:13:21,166 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/fd637b114/ea67720892864d5aade6695776bac42a/FLAGa86750532 [2020-10-13 04:13:21,204 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/fd637b114/ea67720892864d5aade6695776bac42a [2020-10-13 04:13:21,215 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-10-13 04:13:21,217 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-10-13 04:13:21,218 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-10-13 04:13:21,218 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-10-13 04:13:21,222 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-10-13 04:13:21,223 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.10 04:13:21" (1/1) ... [2020-10-13 04:13:21,226 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@63013393 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 04:13:21, skipping insertion in model container [2020-10-13 04:13:21,226 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.10 04:13:21" (1/1) ... [2020-10-13 04:13:21,234 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-10-13 04:13:21,360 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-10-13 04:13:22,771 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-13 04:13:22,875 INFO L203 MainTranslator]: Completed pre-run [2020-10-13 04:13:23,097 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-13 04:13:23,338 INFO L208 MainTranslator]: Completed translation [2020-10-13 04:13:23,339 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 04:13:23 WrapperNode [2020-10-13 04:13:23,339 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-10-13 04:13:23,341 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-10-13 04:13:23,341 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-10-13 04:13:23,341 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-10-13 04:13:23,356 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 04:13:23" (1/1) ... [2020-10-13 04:13:23,356 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 04:13:23" (1/1) ... [2020-10-13 04:13:23,477 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 04:13:23" (1/1) ... [2020-10-13 04:13:23,477 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 04:13:23" (1/1) ... [2020-10-13 04:13:23,597 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 04:13:23" (1/1) ... [2020-10-13 04:13:23,616 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 04:13:23" (1/1) ... [2020-10-13 04:13:23,641 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 04:13:23" (1/1) ... [2020-10-13 04:13:23,672 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-10-13 04:13:23,673 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-10-13 04:13:23,673 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-10-13 04:13:23,673 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-10-13 04:13:23,674 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 04:13:23" (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 [2020-10-13 04:13:23,744 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-10-13 04:13:23,744 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-10-13 04:13:23,744 INFO L138 BoogieDeclarations]: Found implementation of procedure __kmalloc [2020-10-13 04:13:23,744 INFO L138 BoogieDeclarations]: Found implementation of procedure kmalloc [2020-10-13 04:13:23,745 INFO L138 BoogieDeclarations]: Found implementation of procedure kzalloc [2020-10-13 04:13:23,745 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2020-10-13 04:13:23,745 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2020-10-13 04:13:23,745 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_zalloc [2020-10-13 04:13:23,745 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undef_int [2020-10-13 04:13:23,746 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undef_ulong [2020-10-13 04:13:23,746 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_error [2020-10-13 04:13:23,746 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2020-10-13 04:13:23,746 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2020-10-13 04:13:23,746 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_trap [2020-10-13 04:13:23,747 INFO L138 BoogieDeclarations]: Found implementation of procedure outb [2020-10-13 04:13:23,747 INFO L138 BoogieDeclarations]: Found implementation of procedure inb [2020-10-13 04:13:23,747 INFO L138 BoogieDeclarations]: Found implementation of procedure copy_from_user [2020-10-13 04:13:23,749 INFO L138 BoogieDeclarations]: Found implementation of procedure copy_to_user [2020-10-13 04:13:23,750 INFO L138 BoogieDeclarations]: Found implementation of procedure enter_4op_mode [2020-10-13 04:13:23,750 INFO L138 BoogieDeclarations]: Found implementation of procedure opl3_ioctl [2020-10-13 04:13:23,750 INFO L138 BoogieDeclarations]: Found implementation of procedure opl3_detect [2020-10-13 04:13:23,750 INFO L138 BoogieDeclarations]: Found implementation of procedure opl3_kill_note [2020-10-13 04:13:23,751 INFO L138 BoogieDeclarations]: Found implementation of procedure store_instr [2020-10-13 04:13:23,751 INFO L138 BoogieDeclarations]: Found implementation of procedure opl3_set_instr [2020-10-13 04:13:23,752 INFO L138 BoogieDeclarations]: Found implementation of procedure calc_vol [2020-10-13 04:13:23,752 INFO L138 BoogieDeclarations]: Found implementation of procedure set_voice_volume [2020-10-13 04:13:23,754 INFO L138 BoogieDeclarations]: Found implementation of procedure opl3_start_note [2020-10-13 04:13:23,754 INFO L138 BoogieDeclarations]: Found implementation of procedure freq_to_fnum [2020-10-13 04:13:23,754 INFO L138 BoogieDeclarations]: Found implementation of procedure opl3_command [2020-10-13 04:13:23,754 INFO L138 BoogieDeclarations]: Found implementation of procedure opl3_reset [2020-10-13 04:13:23,754 INFO L138 BoogieDeclarations]: Found implementation of procedure opl3_open [2020-10-13 04:13:23,755 INFO L138 BoogieDeclarations]: Found implementation of procedure opl3_close [2020-10-13 04:13:23,755 INFO L138 BoogieDeclarations]: Found implementation of procedure opl3_hw_control [2020-10-13 04:13:23,755 INFO L138 BoogieDeclarations]: Found implementation of procedure opl3_load_patch [2020-10-13 04:13:23,755 INFO L138 BoogieDeclarations]: Found implementation of procedure opl3_panning [2020-10-13 04:13:23,756 INFO L138 BoogieDeclarations]: Found implementation of procedure opl3_volume_method [2020-10-13 04:13:23,756 INFO L138 BoogieDeclarations]: Found implementation of procedure opl3_aftertouch [2020-10-13 04:13:23,757 INFO L138 BoogieDeclarations]: Found implementation of procedure bend_pitch [2020-10-13 04:13:23,757 INFO L138 BoogieDeclarations]: Found implementation of procedure opl3_controller [2020-10-13 04:13:23,757 INFO L138 BoogieDeclarations]: Found implementation of procedure opl3_bender [2020-10-13 04:13:23,757 INFO L138 BoogieDeclarations]: Found implementation of procedure opl3_alloc_voice [2020-10-13 04:13:23,757 INFO L138 BoogieDeclarations]: Found implementation of procedure opl3_setup_voice [2020-10-13 04:13:23,757 INFO L138 BoogieDeclarations]: Found implementation of procedure opl3_init [2020-10-13 04:13:23,757 INFO L138 BoogieDeclarations]: Found implementation of procedure init_opl3 [2020-10-13 04:13:23,757 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup_opl3 [2020-10-13 04:13:23,757 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-10-13 04:13:23,758 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__copy_from_user_1 [2020-10-13 04:13:23,758 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__copy_to_user_2 [2020-10-13 04:13:23,758 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv___copy_user_nocache_3 [2020-10-13 04:13:23,758 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv___copy_user_nocache_4 [2020-10-13 04:13:23,758 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_copy_from_user_7 [2020-10-13 04:13:23,758 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop___0 [2020-10-13 04:13:23,758 INFO L138 BoogieDeclarations]: Found implementation of procedure strlen [2020-10-13 04:13:23,758 INFO L138 BoogieDeclarations]: Found implementation of procedure strnlen [2020-10-13 04:13:23,759 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_len [2020-10-13 04:13:23,759 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_ret_val [2020-10-13 04:13:23,759 INFO L138 BoogieDeclarations]: Found implementation of procedure __const_udelay [2020-10-13 04:13:23,759 INFO L138 BoogieDeclarations]: Found implementation of procedure __copy_user_nocache [2020-10-13 04:13:23,759 INFO L138 BoogieDeclarations]: Found implementation of procedure __release_region [2020-10-13 04:13:23,759 INFO L138 BoogieDeclarations]: Found implementation of procedure __request_region [2020-10-13 04:13:23,759 INFO L138 BoogieDeclarations]: Found implementation of procedure _copy_from_user [2020-10-13 04:13:23,759 INFO L138 BoogieDeclarations]: Found implementation of procedure _copy_to_user [2020-10-13 04:13:23,759 INFO L138 BoogieDeclarations]: Found implementation of procedure compute_finetune [2020-10-13 04:13:23,760 INFO L138 BoogieDeclarations]: Found implementation of procedure conf_printf2 [2020-10-13 04:13:23,760 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_final_state [2020-10-13 04:13:23,760 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_initialize [2020-10-13 04:13:23,760 INFO L138 BoogieDeclarations]: Found implementation of procedure might_fault [2020-10-13 04:13:23,760 INFO L138 BoogieDeclarations]: Found implementation of procedure note_to_freq [2020-10-13 04:13:23,760 INFO L138 BoogieDeclarations]: Found implementation of procedure printk [2020-10-13 04:13:23,760 INFO L138 BoogieDeclarations]: Found implementation of procedure sequencer_init [2020-10-13 04:13:23,760 INFO L138 BoogieDeclarations]: Found implementation of procedure sound_alloc_synthdev [2020-10-13 04:13:23,761 INFO L138 BoogieDeclarations]: Found implementation of procedure sound_unload_synthdev [2020-10-13 04:13:23,761 INFO L138 BoogieDeclarations]: Found implementation of procedure warn_slowpath_fmt [2020-10-13 04:13:23,761 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree [2020-10-13 04:13:23,761 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.meminit [2020-10-13 04:13:23,761 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy [2020-10-13 04:13:23,761 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_strcpy [2020-10-13 04:13:23,761 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2020-10-13 04:13:23,762 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2020-10-13 04:13:23,762 INFO L130 BoogieDeclarations]: Found specification of procedure printk [2020-10-13 04:13:23,762 INFO L130 BoogieDeclarations]: Found specification of procedure warn_slowpath_fmt [2020-10-13 04:13:23,762 INFO L130 BoogieDeclarations]: Found specification of procedure might_fault [2020-10-13 04:13:23,762 INFO L130 BoogieDeclarations]: Found specification of procedure memcpy [2020-10-13 04:13:23,762 INFO L130 BoogieDeclarations]: Found specification of procedure strcpy [2020-10-13 04:13:23,763 INFO L130 BoogieDeclarations]: Found specification of procedure __request_region [2020-10-13 04:13:23,763 INFO L130 BoogieDeclarations]: Found specification of procedure __release_region [2020-10-13 04:13:23,763 INFO L130 BoogieDeclarations]: Found specification of procedure __const_udelay [2020-10-13 04:13:23,763 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_len [2020-10-13 04:13:23,763 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2020-10-13 04:13:23,763 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2020-10-13 04:13:23,763 INFO L130 BoogieDeclarations]: Found specification of procedure __kmalloc [2020-10-13 04:13:23,763 INFO L130 BoogieDeclarations]: Found specification of procedure kmalloc [2020-10-13 04:13:23,764 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_zalloc [2020-10-13 04:13:23,764 INFO L130 BoogieDeclarations]: Found specification of procedure kzalloc [2020-10-13 04:13:23,764 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2020-10-13 04:13:23,764 INFO L130 BoogieDeclarations]: Found specification of procedure calloc [2020-10-13 04:13:23,764 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2020-10-13 04:13:23,764 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_uint [2020-10-13 04:13:23,764 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_ulong [2020-10-13 04:13:23,764 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2020-10-13 04:13:23,765 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2020-10-13 04:13:23,765 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2020-10-13 04:13:23,765 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.meminit [2020-10-13 04:13:23,765 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undef_int [2020-10-13 04:13:23,765 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undef_ulong [2020-10-13 04:13:23,765 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_error [2020-10-13 04:13:23,765 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2020-10-13 04:13:23,766 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_trap [2020-10-13 04:13:23,766 INFO L130 BoogieDeclarations]: Found specification of procedure outb [2020-10-13 04:13:23,766 INFO L130 BoogieDeclarations]: Found specification of procedure inb [2020-10-13 04:13:23,766 INFO L130 BoogieDeclarations]: Found specification of procedure _copy_to_user [2020-10-13 04:13:23,766 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__copy_to_user_2 [2020-10-13 04:13:23,766 INFO L130 BoogieDeclarations]: Found specification of procedure _copy_from_user [2020-10-13 04:13:23,766 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__copy_from_user_1 [2020-10-13 04:13:23,767 INFO L130 BoogieDeclarations]: Found specification of procedure copy_from_user [2020-10-13 04:13:23,767 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-10-13 04:13:23,767 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_copy_from_user_7 [2020-10-13 04:13:23,767 INFO L130 BoogieDeclarations]: Found specification of procedure copy_to_user [2020-10-13 04:13:23,767 INFO L130 BoogieDeclarations]: Found specification of procedure __copy_user_nocache [2020-10-13 04:13:23,767 INFO L130 BoogieDeclarations]: Found specification of procedure ldv___copy_user_nocache_3 [2020-10-13 04:13:23,768 INFO L130 BoogieDeclarations]: Found specification of procedure ldv___copy_user_nocache_4 [2020-10-13 04:13:23,768 INFO L130 BoogieDeclarations]: Found specification of procedure sequencer_init [2020-10-13 04:13:23,768 INFO L130 BoogieDeclarations]: Found specification of procedure note_to_freq [2020-10-13 04:13:23,768 INFO L130 BoogieDeclarations]: Found specification of procedure compute_finetune [2020-10-13 04:13:23,768 INFO L130 BoogieDeclarations]: Found specification of procedure conf_printf2 [2020-10-13 04:13:23,768 INFO L130 BoogieDeclarations]: Found specification of procedure sound_unload_synthdev [2020-10-13 04:13:23,768 INFO L130 BoogieDeclarations]: Found specification of procedure sound_alloc_synthdev [2020-10-13 04:13:23,769 INFO L130 BoogieDeclarations]: Found specification of procedure store_instr [2020-10-13 04:13:23,769 INFO L130 BoogieDeclarations]: Found specification of procedure freq_to_fnum [2020-10-13 04:13:23,769 INFO L130 BoogieDeclarations]: Found specification of procedure opl3_command [2020-10-13 04:13:23,769 INFO L130 BoogieDeclarations]: Found specification of procedure opl3_kill_note [2020-10-13 04:13:23,769 INFO L130 BoogieDeclarations]: Found specification of procedure enter_4op_mode [2020-10-13 04:13:23,769 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-10-13 04:13:23,770 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2020-10-13 04:13:23,770 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2020-10-13 04:13:23,770 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-10-13 04:13:23,770 INFO L130 BoogieDeclarations]: Found specification of procedure opl3_ioctl [2020-10-13 04:13:23,770 INFO L130 BoogieDeclarations]: Found specification of procedure opl3_detect [2020-10-13 04:13:23,770 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_strcpy [2020-10-13 04:13:23,770 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy [2020-10-13 04:13:23,771 INFO L130 BoogieDeclarations]: Found specification of procedure opl3_set_instr [2020-10-13 04:13:23,771 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2020-10-13 04:13:23,771 INFO L130 BoogieDeclarations]: Found specification of procedure calc_vol [2020-10-13 04:13:23,771 INFO L130 BoogieDeclarations]: Found specification of procedure set_voice_volume [2020-10-13 04:13:23,771 INFO L130 BoogieDeclarations]: Found specification of procedure opl3_start_note [2020-10-13 04:13:23,771 INFO L130 BoogieDeclarations]: Found specification of procedure opl3_reset [2020-10-13 04:13:23,772 INFO L130 BoogieDeclarations]: Found specification of procedure opl3_open [2020-10-13 04:13:23,772 INFO L130 BoogieDeclarations]: Found specification of procedure opl3_close [2020-10-13 04:13:23,772 INFO L130 BoogieDeclarations]: Found specification of procedure opl3_hw_control [2020-10-13 04:13:23,772 INFO L130 BoogieDeclarations]: Found specification of procedure opl3_load_patch [2020-10-13 04:13:23,772 INFO L130 BoogieDeclarations]: Found specification of procedure opl3_panning [2020-10-13 04:13:23,772 INFO L130 BoogieDeclarations]: Found specification of procedure opl3_volume_method [2020-10-13 04:13:23,772 INFO L130 BoogieDeclarations]: Found specification of procedure opl3_aftertouch [2020-10-13 04:13:23,773 INFO L130 BoogieDeclarations]: Found specification of procedure bend_pitch [2020-10-13 04:13:23,773 INFO L130 BoogieDeclarations]: Found specification of procedure opl3_controller [2020-10-13 04:13:23,773 INFO L130 BoogieDeclarations]: Found specification of procedure opl3_bender [2020-10-13 04:13:23,773 INFO L130 BoogieDeclarations]: Found specification of procedure opl3_alloc_voice [2020-10-13 04:13:23,773 INFO L130 BoogieDeclarations]: Found specification of procedure opl3_setup_voice [2020-10-13 04:13:23,773 INFO L130 BoogieDeclarations]: Found specification of procedure opl3_init [2020-10-13 04:13:23,773 INFO L130 BoogieDeclarations]: Found specification of procedure init_opl3 [2020-10-13 04:13:23,774 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup_opl3 [2020-10-13 04:13:23,774 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_initialize [2020-10-13 04:13:23,774 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_final_state [2020-10-13 04:13:23,774 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-10-13 04:13:23,774 INFO L130 BoogieDeclarations]: Found specification of procedure strlen [2020-10-13 04:13:23,774 INFO L130 BoogieDeclarations]: Found specification of procedure strnlen [2020-10-13 04:13:23,774 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop___0 [2020-10-13 04:13:23,774 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_ret_val [2020-10-13 04:13:23,775 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_long [2020-10-13 04:13:23,775 INFO L130 BoogieDeclarations]: Found specification of procedure free [2020-10-13 04:13:23,775 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-10-13 04:13:23,775 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-10-13 04:13:23,775 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2020-10-13 04:13:23,775 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-10-13 04:13:23,775 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2020-10-13 04:13:23,776 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2020-10-13 04:13:23,776 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2020-10-13 04:13:23,776 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int [2020-10-13 04:13:24,766 INFO L732 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stopFINAL: assume true; [2020-10-13 04:13:28,287 INFO L732 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stop___0FINAL: assume true; [2020-10-13 04:13:30,130 INFO L290 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-10-13 04:13:30,130 INFO L295 CfgBuilder]: Removed 2 assume(true) statements. [2020-10-13 04:13:30,139 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.10 04:13:30 BoogieIcfgContainer [2020-10-13 04:13:30,140 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-10-13 04:13:30,141 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-10-13 04:13:30,141 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-10-13 04:13:30,145 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-10-13 04:13:30,145 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 13.10 04:13:21" (1/3) ... [2020-10-13 04:13:30,146 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@56b2ffe3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.10 04:13:30, skipping insertion in model container [2020-10-13 04:13:30,146 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 04:13:23" (2/3) ... [2020-10-13 04:13:30,146 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@56b2ffe3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.10 04:13:30, skipping insertion in model container [2020-10-13 04:13:30,146 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.10 04:13:30" (3/3) ... [2020-10-13 04:13:30,148 INFO L109 eAbstractionObserver]: Analyzing ICFG linux-stable-42f9f8d-1-111_1a-sound--oss--opl3.ko-entry_point.cil.out.i [2020-10-13 04:13:30,159 INFO L157 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:Craig_NestedInterpolation Determinization: PREDICATE_ABSTRACTION [2020-10-13 04:13:30,169 INFO L169 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-10-13 04:13:30,184 INFO L251 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-10-13 04:13:30,212 INFO L375 AbstractCegarLoop]: Interprodecural is true [2020-10-13 04:13:30,212 INFO L376 AbstractCegarLoop]: Hoare is true [2020-10-13 04:13:30,212 INFO L377 AbstractCegarLoop]: Compute interpolants for Craig_NestedInterpolation [2020-10-13 04:13:30,212 INFO L378 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-10-13 04:13:30,212 INFO L379 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-10-13 04:13:30,212 INFO L380 AbstractCegarLoop]: Difference is false [2020-10-13 04:13:30,213 INFO L381 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-10-13 04:13:30,213 INFO L385 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-10-13 04:13:30,251 INFO L276 IsEmpty]: Start isEmpty. Operand 850 states. [2020-10-13 04:13:30,264 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 54 [2020-10-13 04:13:30,265 INFO L414 BasicCegarLoop]: Found error trace [2020-10-13 04:13:30,266 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] [2020-10-13 04:13:30,266 INFO L427 AbstractCegarLoop]: === Iteration 1 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-13 04:13:30,273 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-13 04:13:30,274 INFO L82 PathProgramCache]: Analyzing trace with hash -2120907459, now seen corresponding path program 1 times [2020-10-13 04:13:30,283 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-13 04:13:30,283 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1514204542] [2020-10-13 04:13:30,284 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-13 04:13:30,923 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 04:13:31,209 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 04:13:31,664 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 04:13:37,511 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 04:13:37,512 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 77 [2020-10-13 04:13:37,512 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-13 04:13:37,512 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6583 [2020-10-13 04:13:37,515 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-13 04:13:37,515 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 04:13:37,515 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 49 [2020-10-13 04:13:37,515 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-10-13 04:13:37,516 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 3 [2020-10-13 04:13:38,031 WARN L193 SmtUtils]: Spent 265.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-10-13 04:13:38,032 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-13 04:13:38,073 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 04:13:38,085 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 04:13:38,619 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 04:13:38,619 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 04:13:38,619 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 04:13:38,619 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 544 [2020-10-13 04:13:38,620 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-13 04:13:38,620 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 04:13:38,620 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 04:13:38,620 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 04:13:38,621 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 04:13:38,792 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-13 04:13:38,794 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 04:13:38,797 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 04:13:38,802 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 04:13:38,802 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 04:13:38,803 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 04:13:38,803 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-10-13 04:13:38,803 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-13 04:13:38,804 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 04:13:38,804 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 04:13:38,804 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 04:13:38,804 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-13 04:13:38,814 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-13 04:13:38,815 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 04:13:38,819 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 04:13:38,823 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 04:13:38,824 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 04:13:38,825 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 04:13:38,828 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-10-13 04:13:38,829 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-13 04:13:38,830 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 04:13:38,830 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 04:13:38,830 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 04:13:38,830 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-13 04:13:38,838 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-10-13 04:13:38,840 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 04:13:38,844 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 04:13:38,849 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 04:13:38,849 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 04:13:38,849 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 04:13:38,850 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 8 [2020-10-13 04:13:38,850 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-13 04:13:38,850 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 04:13:38,851 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 04:13:38,860 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 04:13:38,861 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 10 [2020-10-13 04:13:38,879 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2020-10-13 04:13:38,880 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 04:13:38,887 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 04:13:38,895 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 04:13:38,895 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 04:13:38,895 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 04:13:38,896 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 13 [2020-10-13 04:13:38,896 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-13 04:13:38,896 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 04:13:38,896 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 04:13:38,897 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 04:13:38,897 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 04:13:38,904 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 30 [2020-10-13 04:13:38,905 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 04:13:38,910 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 04:13:38,913 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 04:13:38,913 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-13 04:13:38,913 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 04:13:38,914 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-13 04:13:38,914 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-13 04:13:38,914 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 04:13:38,914 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 04:13:38,914 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 04:13:38,915 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 04:13:38,934 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2020-10-13 04:13:38,936 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1514204542] [2020-10-13 04:13:38,938 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-13 04:13:38,938 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2020-10-13 04:13:38,939 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1491433822] [2020-10-13 04:13:38,945 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-10-13 04:13:38,948 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-13 04:13:38,966 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-10-13 04:13:38,967 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2020-10-13 04:13:38,969 INFO L87 Difference]: Start difference. First operand 850 states. Second operand 5 states. [2020-10-13 04:13:39,758 WARN L193 SmtUtils]: Spent 751.00 ms on a formula simplification that was a NOOP. DAG size: 193 [2020-10-13 04:13:41,121 WARN L193 SmtUtils]: Spent 244.00 ms on a formula simplification that was a NOOP. DAG size: 195 [2020-10-13 04:13:41,418 WARN L193 SmtUtils]: Spent 230.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-10-13 04:13:57,139 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-13 04:13:57,139 INFO L93 Difference]: Finished difference Result 2172 states and 3219 transitions. [2020-10-13 04:13:57,140 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2020-10-13 04:13:57,141 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 53 [2020-10-13 04:13:57,142 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-13 04:13:57,171 INFO L225 Difference]: With dead ends: 2172 [2020-10-13 04:13:57,171 INFO L226 Difference]: Without dead ends: 1264 [2020-10-13 04:13:57,187 INFO L675 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 [2020-10-13 04:13:57,211 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1264 states. [2020-10-13 04:13:57,419 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1264 to 994. [2020-10-13 04:13:57,420 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 994 states. [2020-10-13 04:13:57,430 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 994 states to 994 states and 1402 transitions. [2020-10-13 04:13:57,432 INFO L78 Accepts]: Start accepts. Automaton has 994 states and 1402 transitions. Word has length 53 [2020-10-13 04:13:57,433 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-13 04:13:57,433 INFO L479 AbstractCegarLoop]: Abstraction has 994 states and 1402 transitions. [2020-10-13 04:13:57,433 INFO L480 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-10-13 04:13:57,433 INFO L276 IsEmpty]: Start isEmpty. Operand 994 states and 1402 transitions. [2020-10-13 04:13:57,439 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 70 [2020-10-13 04:13:57,440 INFO L414 BasicCegarLoop]: Found error trace [2020-10-13 04:13:57,440 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] [2020-10-13 04:13:57,440 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-10-13 04:13:57,441 INFO L427 AbstractCegarLoop]: === Iteration 2 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-13 04:13:57,441 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-13 04:13:57,441 INFO L82 PathProgramCache]: Analyzing trace with hash 1703830054, now seen corresponding path program 1 times [2020-10-13 04:13:57,441 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-13 04:13:57,442 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [59345397] [2020-10-13 04:13:57,442 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-13 04:13:57,638 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 04:13:57,888 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 04:14:03,326 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 04:14:03,327 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 95 [2020-10-13 04:14:03,327 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 04:14:03,328 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5687 [2020-10-13 04:14:03,328 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-13 04:14:03,328 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-13 04:14:03,329 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 83 [2020-10-13 04:14:03,329 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-10-13 04:14:03,329 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-13 04:14:03,875 WARN L193 SmtUtils]: Spent 221.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-10-13 04:14:03,877 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-13 04:14:03,904 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 04:14:03,912 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 04:14:04,424 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 04:14:04,424 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 04:14:04,425 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 04:14:04,425 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 519 [2020-10-13 04:14:04,425 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-13 04:14:04,425 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 04:14:04,426 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 04:14:04,426 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 04:14:04,426 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-13 04:14:04,582 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-13 04:14:04,583 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 04:14:04,586 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 04:14:04,591 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 04:14:04,591 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 04:14:04,592 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 04:14:04,592 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-10-13 04:14:04,592 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-13 04:14:04,592 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 04:14:04,593 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 04:14:04,593 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 04:14:04,593 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 04:14:04,598 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-13 04:14:04,599 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 04:14:04,602 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 04:14:04,606 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 04:14:04,606 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 04:14:04,606 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 04:14:04,607 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-13 04:14:04,607 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-13 04:14:04,607 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 04:14:04,607 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 04:14:04,607 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 04:14:04,608 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 04:14:04,612 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-10-13 04:14:04,613 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 04:14:04,617 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 04:14:04,620 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 04:14:04,620 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 04:14:04,621 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 04:14:04,621 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-13 04:14:04,621 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-13 04:14:04,621 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 04:14:04,621 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 04:14:04,622 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 04:14:04,622 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 04:14:04,627 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2020-10-13 04:14:04,628 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 04:14:04,631 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 04:14:04,634 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 04:14:04,635 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 04:14:04,635 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 04:14:04,635 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-13 04:14:04,635 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-13 04:14:04,636 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 04:14:04,636 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 04:14:04,636 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 04:14:04,636 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 04:14:04,640 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 30 [2020-10-13 04:14:04,641 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 04:14:04,644 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 04:14:04,646 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 04:14:04,646 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-13 04:14:04,647 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 04:14:04,647 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-13 04:14:04,647 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-13 04:14:04,647 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 04:14:04,647 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 04:14:04,648 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 04:14:04,648 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 04:14:04,684 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2020-10-13 04:14:04,686 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 04:14:04,689 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 04:14:04,694 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 04:14:04,695 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-13 04:14:04,695 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 04:14:04,695 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-10-13 04:14:04,695 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-13 04:14:04,695 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 04:14:04,696 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 04:14:04,696 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 04:14:04,696 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 04:14:04,712 INFO L134 CoverageAnalysis]: Checked inductivity of 26 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2020-10-13 04:14:04,713 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [59345397] [2020-10-13 04:14:04,713 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-13 04:14:04,713 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2020-10-13 04:14:04,713 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1378333809] [2020-10-13 04:14:04,715 INFO L459 AbstractCegarLoop]: Interpolant automaton has 9 states [2020-10-13 04:14:04,715 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-13 04:14:04,716 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2020-10-13 04:14:04,716 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=56, Unknown=0, NotChecked=0, Total=72 [2020-10-13 04:14:04,716 INFO L87 Difference]: Start difference. First operand 994 states and 1402 transitions. Second operand 9 states. [2020-10-13 04:14:05,052 WARN L193 SmtUtils]: Spent 317.00 ms on a formula simplification that was a NOOP. DAG size: 199 [2020-10-13 04:14:16,109 WARN L193 SmtUtils]: Spent 253.00 ms on a formula simplification that was a NOOP. DAG size: 203 [2020-10-13 04:14:16,755 WARN L193 SmtUtils]: Spent 333.00 ms on a formula simplification that was a NOOP. DAG size: 211 [2020-10-13 04:14:17,257 WARN L193 SmtUtils]: Spent 249.00 ms on a formula simplification that was a NOOP. DAG size: 202 [2020-10-13 04:14:17,762 WARN L193 SmtUtils]: Spent 246.00 ms on a formula simplification that was a NOOP. DAG size: 204 [2020-10-13 04:14:32,084 WARN L193 SmtUtils]: Spent 245.00 ms on a formula simplification that was a NOOP. DAG size: 202 [2020-10-13 04:14:48,448 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-13 04:14:48,448 INFO L93 Difference]: Finished difference Result 1413 states and 2106 transitions. [2020-10-13 04:14:48,454 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2020-10-13 04:14:48,454 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 69 [2020-10-13 04:14:48,455 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-13 04:14:48,470 INFO L225 Difference]: With dead ends: 1413 [2020-10-13 04:14:48,471 INFO L226 Difference]: Without dead ends: 1410 [2020-10-13 04:14:48,474 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 27 GetRequests, 14 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 8 ImplicationChecksByTransitivity, 2.1s TimeCoverageRelationStatistics Valid=61, Invalid=149, Unknown=0, NotChecked=0, Total=210 [2020-10-13 04:14:48,477 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1410 states. [2020-10-13 04:14:48,625 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1410 to 1004. [2020-10-13 04:14:48,625 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1004 states. [2020-10-13 04:14:48,632 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1004 states to 1004 states and 1412 transitions. [2020-10-13 04:14:48,632 INFO L78 Accepts]: Start accepts. Automaton has 1004 states and 1412 transitions. Word has length 69 [2020-10-13 04:14:48,633 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-13 04:14:48,633 INFO L479 AbstractCegarLoop]: Abstraction has 1004 states and 1412 transitions. [2020-10-13 04:14:48,633 INFO L480 AbstractCegarLoop]: Interpolant automaton has 9 states. [2020-10-13 04:14:48,633 INFO L276 IsEmpty]: Start isEmpty. Operand 1004 states and 1412 transitions. [2020-10-13 04:14:48,638 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 79 [2020-10-13 04:14:48,638 INFO L414 BasicCegarLoop]: Found error trace [2020-10-13 04:14:48,638 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] [2020-10-13 04:14:48,639 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-10-13 04:14:48,639 INFO L427 AbstractCegarLoop]: === Iteration 3 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-13 04:14:48,639 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-13 04:14:48,639 INFO L82 PathProgramCache]: Analyzing trace with hash 1091599735, now seen corresponding path program 1 times [2020-10-13 04:14:48,640 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-13 04:14:48,640 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1169403745] [2020-10-13 04:14:48,640 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-13 04:14:51,143 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-10-13 04:14:51,153 INFO L174 FreeRefinementEngine]: Strategy FIXED_PREFERENCES found a feasible trace [2020-10-13 04:14:51,153 INFO L520 BasicCegarLoop]: Counterexample might be feasible [2020-10-13 04:14:51,157 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-10-13 04:14:51,237 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 13.10 04:14:51 BoogieIcfgContainer [2020-10-13 04:14:51,237 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-10-13 04:14:51,241 INFO L168 Benchmark]: Toolchain (without parser) took 90022.96 ms. Allocated memory was 138.9 MB in the beginning and 1.2 GB in the end (delta: 1.0 GB). Free memory was 94.4 MB in the beginning and 966.7 MB in the end (delta: -872.3 MB). Peak memory consumption was 1.0 GB. Max. memory is 7.1 GB. [2020-10-13 04:14:51,245 INFO L168 Benchmark]: CDTParser took 0.23 ms. Allocated memory is still 138.9 MB. Free memory was 120.5 MB in the beginning and 120.3 MB in the end (delta: 209.8 kB). There was no memory consumed. Max. memory is 7.1 GB. [2020-10-13 04:14:51,248 INFO L168 Benchmark]: CACSL2BoogieTranslator took 2122.03 ms. Allocated memory was 138.9 MB in the beginning and 239.1 MB in the end (delta: 100.1 MB). Free memory was 94.2 MB in the beginning and 166.5 MB in the end (delta: -72.2 MB). Peak memory consumption was 92.8 MB. Max. memory is 7.1 GB. [2020-10-13 04:14:51,248 INFO L168 Benchmark]: Boogie Preprocessor took 331.39 ms. Allocated memory is still 239.1 MB. Free memory was 166.5 MB in the beginning and 137.9 MB in the end (delta: 28.6 MB). Peak memory consumption was 28.6 MB. Max. memory is 7.1 GB. [2020-10-13 04:14:51,249 INFO L168 Benchmark]: RCFGBuilder took 6467.40 ms. Allocated memory was 239.1 MB in the beginning and 401.6 MB in the end (delta: 162.5 MB). Free memory was 137.9 MB in the beginning and 293.7 MB in the end (delta: -155.9 MB). Peak memory consumption was 240.8 MB. Max. memory is 7.1 GB. [2020-10-13 04:14:51,250 INFO L168 Benchmark]: TraceAbstraction took 81096.35 ms. Allocated memory was 401.6 MB in the beginning and 1.2 GB in the end (delta: 774.4 MB). Free memory was 288.6 MB in the beginning and 966.7 MB in the end (delta: -678.1 MB). Peak memory consumption was 944.1 MB. Max. memory is 7.1 GB. [2020-10-13 04:14:51,255 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.23 ms. Allocated memory is still 138.9 MB. Free memory was 120.5 MB in the beginning and 120.3 MB in the end (delta: 209.8 kB). There was no memory consumed. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 2122.03 ms. Allocated memory was 138.9 MB in the beginning and 239.1 MB in the end (delta: 100.1 MB). Free memory was 94.2 MB in the beginning and 166.5 MB in the end (delta: -72.2 MB). Peak memory consumption was 92.8 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 331.39 ms. Allocated memory is still 239.1 MB. Free memory was 166.5 MB in the beginning and 137.9 MB in the end (delta: 28.6 MB). Peak memory consumption was 28.6 MB. Max. memory is 7.1 GB. * RCFGBuilder took 6467.40 ms. Allocated memory was 239.1 MB in the beginning and 401.6 MB in the end (delta: 162.5 MB). Free memory was 137.9 MB in the beginning and 293.7 MB in the end (delta: -155.9 MB). Peak memory consumption was 240.8 MB. Max. memory is 7.1 GB. * TraceAbstraction took 81096.35 ms. Allocated memory was 401.6 MB in the beginning and 1.2 GB in the end (delta: 774.4 MB). Free memory was 288.6 MB in the beginning and 966.7 MB in the end (delta: -678.1 MB). Peak memory consumption was 944.1 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - CounterExampleResult [Line: 2554]: a call of __VERIFIER_error() is reachable a call of __VERIFIER_error() is reachable We found a FailurePath: [L2577] int ldv_state_variable_1 ; [L2578] int LDV_IN_INTERRUPT = 1; [L2579] int ref_cnt ; [L2580] int ldv_state_variable_0 ; [L2660-L2678] 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}}}; [L2679] static struct opl_devinfo *devc = (struct opl_devinfo *)0; [L2680] static int detected_model ; [L2973-L3005] 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}; [L3736-L4786] 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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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, (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, (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, (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, (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, (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, (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, (unsigned char)0, (unsigned char)0}, 0}; [L4893] static int me ; [L4894] static int io = -1; [L4932] int ldv_retval_0 ; [L4933] int ldv_retval_1 ; [L4938] int ldvarg18 ; [L4939] int tmp ; [L4940] int ldvarg11 ; [L4941] int tmp___0 ; [L4942] int ldvarg32 ; [L4943] int tmp___1 ; [L4944] int ldvarg7 ; [L4945] int tmp___2 ; [L4946] unsigned char *ldvarg23 ; [L4947] void *tmp___3 ; [L4948] int ldvarg43 ; [L4949] int tmp___4 ; [L4950] int ldvarg42 ; [L4951] int tmp___5 ; [L4952] int ldvarg12 ; [L4953] int tmp___6 ; [L4954] int ldvarg46 ; [L4955] int tmp___7 ; [L4956] int ldvarg1 ; [L4957] int tmp___8 ; [L4958] int ldvarg37 ; [L4959] int tmp___9 ; [L4960] int ldvarg29 ; [L4961] int tmp___10 ; [L4962] struct voice_alloc_info *ldvarg44 ; [L4963] void *tmp___11 ; [L4964] int ldvarg24 ; [L4965] int tmp___12 ; [L4966] int ldvarg35 ; [L4967] int tmp___13 ; [L4968] int ldvarg0 ; [L4969] int tmp___14 ; [L4970] int ldvarg38 ; [L4971] int tmp___15 ; [L4972] int ldvarg5 ; [L4973] int tmp___16 ; [L4974] void *ldvarg33 ; [L4975] void *tmp___17 ; [L4976] int ldvarg16 ; [L4977] int tmp___18 ; [L4978] int ldvarg6 ; [L4979] int tmp___19 ; [L4980] int ldvarg4 ; [L4981] int tmp___20 ; [L4982] int ldvarg14 ; [L4983] int tmp___21 ; [L4984] unsigned int ldvarg34 ; [L4985] unsigned int tmp___22 ; [L4986] int ldvarg28 ; [L4987] int tmp___23 ; [L4988] int ldvarg2 ; [L4989] int tmp___24 ; [L4990] int ldvarg47 ; [L4991] int tmp___25 ; [L4992] int ldvarg39 ; [L4993] int tmp___26 ; [L4994] int ldvarg20 ; [L4995] int tmp___27 ; [L4996] int ldvarg31 ; [L4997] int tmp___28 ; [L4998] int ldvarg41 ; [L4999] int tmp___29 ; [L5000] int ldvarg3 ; [L5001] int tmp___30 ; [L5002] char *ldvarg8 ; [L5003] void *tmp___31 ; [L5004] int ldvarg13 ; [L5005] int tmp___32 ; [L5006] int ldvarg36 ; [L5007] int tmp___33 ; [L5008] int ldvarg10 ; [L5009] int tmp___34 ; [L5010] int ldvarg40 ; [L5011] int tmp___35 ; [L5012] int ldvarg9 ; [L5013] int tmp___36 ; [L5014] int ldvarg45 ; [L5015] int tmp___37 ; [L5016] int ldvarg26 ; [L5017] int tmp___38 ; [L5018] int ldvarg27 ; [L5019] int tmp___39 ; [L5020] int ldvarg15 ; [L5021] int tmp___40 ; [L5022] int ldvarg30 ; [L5023] int tmp___41 ; [L5024] int ldvarg21 ; [L5025] int tmp___42 ; [L5026] int ldvarg17 ; [L5027] int tmp___43 ; [L5028] int ldvarg25 ; [L5029] int tmp___44 ; [L5030] int ldvarg22 ; [L5031] int tmp___45 ; [L5032] int ldvarg19 ; [L5033] int tmp___46 ; [L5034] int tmp___47 ; [L5035] int tmp___48 ; [L5036] int tmp___49 ; [L5038] tmp = __VERIFIER_nondet_int() [L5039] ldvarg18 = tmp [L5040] tmp___0 = __VERIFIER_nondet_int() [L5041] ldvarg11 = tmp___0 [L5042] tmp___1 = __VERIFIER_nondet_int() [L5043] ldvarg32 = tmp___1 [L5044] tmp___2 = __VERIFIER_nondet_int() [L5045] ldvarg7 = tmp___2 [L5046] CALL, EXPR ldv_zalloc(1UL) [L2519] void *p ; [L2520] void *tmp ; [L2521] int tmp___0 ; [L2523] tmp___0 = __VERIFIER_nondet_int() [L2524] COND TRUE tmp___0 != 0 [L2525] return ((void *)0); [L5046] RET, EXPR ldv_zalloc(1UL) [L5046] tmp___3 = ldv_zalloc(1UL) [L5047] ldvarg23 = (unsigned char *)tmp___3 [L5048] tmp___4 = __VERIFIER_nondet_int() [L5049] ldvarg43 = tmp___4 [L5050] tmp___5 = __VERIFIER_nondet_int() [L5051] ldvarg42 = tmp___5 [L5052] tmp___6 = __VERIFIER_nondet_int() [L5053] ldvarg12 = tmp___6 [L5054] tmp___7 = __VERIFIER_nondet_int() [L5055] ldvarg46 = tmp___7 [L5056] tmp___8 = __VERIFIER_nondet_int() [L5057] ldvarg1 = tmp___8 [L5058] tmp___9 = __VERIFIER_nondet_int() [L5059] ldvarg37 = tmp___9 [L5060] tmp___10 = __VERIFIER_nondet_int() [L5061] ldvarg29 = tmp___10 [L5062] CALL, EXPR ldv_zalloc(208UL) [L2519] void *p ; [L2520] void *tmp ; [L2521] int tmp___0 ; [L2523] tmp___0 = __VERIFIER_nondet_int() [L2524] COND TRUE tmp___0 != 0 [L2525] return ((void *)0); [L5062] RET, EXPR ldv_zalloc(208UL) [L5062] tmp___11 = ldv_zalloc(208UL) [L5063] ldvarg44 = (struct voice_alloc_info *)tmp___11 [L5064] tmp___12 = __VERIFIER_nondet_int() [L5065] ldvarg24 = tmp___12 [L5066] tmp___13 = __VERIFIER_nondet_int() [L5067] ldvarg35 = tmp___13 [L5068] tmp___14 = __VERIFIER_nondet_int() [L5069] ldvarg0 = tmp___14 [L5070] tmp___15 = __VERIFIER_nondet_int() [L5071] ldvarg38 = tmp___15 [L5072] tmp___16 = __VERIFIER_nondet_int() [L5073] ldvarg5 = tmp___16 [L5074] CALL, EXPR ldv_zalloc(1UL) [L2519] void *p ; [L2520] void *tmp ; [L2521] int tmp___0 ; [L2523] tmp___0 = __VERIFIER_nondet_int() [L2524] COND TRUE tmp___0 != 0 [L2525] return ((void *)0); [L5074] RET, EXPR ldv_zalloc(1UL) [L5074] tmp___17 = ldv_zalloc(1UL) [L5075] ldvarg33 = tmp___17 [L5076] tmp___18 = __VERIFIER_nondet_int() [L5077] ldvarg16 = tmp___18 [L5078] tmp___19 = __VERIFIER_nondet_int() [L5079] ldvarg6 = tmp___19 [L5080] tmp___20 = __VERIFIER_nondet_int() [L5081] ldvarg4 = tmp___20 [L5082] tmp___21 = __VERIFIER_nondet_int() [L5083] ldvarg14 = tmp___21 [L5084] tmp___22 = __VERIFIER_nondet_uint() [L5085] ldvarg34 = tmp___22 [L5086] tmp___23 = __VERIFIER_nondet_int() [L5087] ldvarg28 = tmp___23 [L5088] tmp___24 = __VERIFIER_nondet_int() [L5089] ldvarg2 = tmp___24 [L5090] tmp___25 = __VERIFIER_nondet_int() [L5091] ldvarg47 = tmp___25 [L5092] tmp___26 = __VERIFIER_nondet_int() [L5093] ldvarg39 = tmp___26 [L5094] tmp___27 = __VERIFIER_nondet_int() [L5095] ldvarg20 = tmp___27 [L5096] tmp___28 = __VERIFIER_nondet_int() [L5097] ldvarg31 = tmp___28 [L5098] tmp___29 = __VERIFIER_nondet_int() [L5099] ldvarg41 = tmp___29 [L5100] tmp___30 = __VERIFIER_nondet_int() [L5101] ldvarg3 = tmp___30 [L5102] CALL, EXPR ldv_zalloc(1UL) [L2519] void *p ; [L2520] void *tmp ; [L2521] int tmp___0 ; [L2523] tmp___0 = __VERIFIER_nondet_int() [L2524] COND TRUE tmp___0 != 0 [L2525] return ((void *)0); [L5102] RET, EXPR ldv_zalloc(1UL) [L5102] tmp___31 = ldv_zalloc(1UL) [L5103] ldvarg8 = (char *)tmp___31 [L5104] tmp___32 = __VERIFIER_nondet_int() [L5105] ldvarg13 = tmp___32 [L5106] tmp___33 = __VERIFIER_nondet_int() [L5107] ldvarg36 = tmp___33 [L5108] tmp___34 = __VERIFIER_nondet_int() [L5109] ldvarg10 = tmp___34 [L5110] tmp___35 = __VERIFIER_nondet_int() [L5111] ldvarg40 = tmp___35 [L5112] tmp___36 = __VERIFIER_nondet_int() [L5113] ldvarg9 = tmp___36 [L5114] tmp___37 = __VERIFIER_nondet_int() [L5115] ldvarg45 = tmp___37 [L5116] tmp___38 = __VERIFIER_nondet_int() [L5117] ldvarg26 = tmp___38 [L5118] tmp___39 = __VERIFIER_nondet_int() [L5119] ldvarg27 = tmp___39 [L5120] tmp___40 = __VERIFIER_nondet_int() [L5121] ldvarg15 = tmp___40 [L5122] tmp___41 = __VERIFIER_nondet_int() [L5123] ldvarg30 = tmp___41 [L5124] tmp___42 = __VERIFIER_nondet_int() [L5125] ldvarg21 = tmp___42 [L5126] tmp___43 = __VERIFIER_nondet_int() [L5127] ldvarg17 = tmp___43 [L5128] tmp___44 = __VERIFIER_nondet_int() [L5129] ldvarg25 = tmp___44 [L5130] tmp___45 = __VERIFIER_nondet_int() [L5131] ldvarg22 = tmp___45 [L5132] tmp___46 = __VERIFIER_nondet_int() [L5133] ldvarg19 = tmp___46 [L5134] FCALL ldv_initialize() [L5135] ldv_state_variable_1 = 0 [L5136] ref_cnt = 0 [L5137] ldv_state_variable_0 = 1 [L5139] tmp___47 = __VERIFIER_nondet_int() [L5141] case 0: [L5340] case 1: [L5341] COND TRUE ldv_state_variable_0 != 0 [L5342] tmp___49 = __VERIFIER_nondet_int() [L5344] case 0: [L5352] case 1: [L5353] COND TRUE ldv_state_variable_0 == 1 [L5354] CALL, EXPR init_opl3() [L4897] int tmp ; [L4900] COND FALSE !(io != -1) [L4909] return (0); [L5354] RET, EXPR init_opl3() [L5354] ldv_retval_1 = init_opl3() [L5355] COND TRUE ldv_retval_1 == 0 [L5356] ldv_state_variable_0 = 3 [L5357] ldv_state_variable_1 = 1 [L5360] COND FALSE !(ldv_retval_1 != 0) [L5139] tmp___47 = __VERIFIER_nondet_int() [L5141] case 0: [L5142] COND TRUE ldv_state_variable_1 != 0 [L5143] tmp___48 = __VERIFIER_nondet_int() [L5145] case 0: [L5157] case 1: [L5169] case 2: [L5180] case 3: [L5192] case 4: [L5204] case 5: [L5216] case 6: [L5228] case 7: [L5240] case 8: [L5252] case 9: [L5264] case 10: [L5271] case 11: [L5283] case 12: [L5295] case 13: [L5296] COND TRUE ldv_state_variable_1 == 1 [L5297-L5298] CALL opl3_load_patch(ldvarg7, ldvarg9, (char const *)ldvarg8, ldvarg6, ldvarg10, ldvarg5) [L3427] struct sbi_instrument ins ; [L3428] unsigned long tmp ; [L3429] int tmp___0 ; [L3431] COND FALSE !((unsigned int )count <= 39U) [L3436-L3437] CALL ldv_copy_from_user_7((void *)(& ins) + (unsigned long )offs, (void const *)addr + (unsigned long )offs, 40UL - (unsigned long )offs) [L5428] unsigned long tmp ; [L5430] CALL ldv_check_len((long )n) [L5470] COND FALSE !(n >= 0L) [L5472] CALL ldv_error() [L2554] __VERIFIER_error() - StatisticsResult: Ultimate Automizer benchmark data CFG has 77 procedures, 889 locations, 1 error locations. Started 1 CEGAR loops. VerificationResult: UNSAFE, OverallTime: 80.9s, OverallIterations: 3, TraceHistogramMax: 4, AutomataDifference: 61.9s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 2255 SDtfs, 2912 SDslu, 4241 SDs, 0 SdLazy, 5853 SolverSat, 1695 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 51.0s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 47 GetRequests, 27 SyntacticMatches, 0 SemanticMatches, 20 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 13 ImplicationChecksByTransitivity, 3.7s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=1004occurred 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: 0.3s AutomataMinimizationTime, 2 MinimizatonAttempts, 676 StatesRemovedByMinimization, 2 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 3.1s SatisfiabilityAnalysisTime, 15.0s InterpolantComputationTime, 200 NumberOfCodeBlocks, 200 NumberOfCodeBlocksAsserted, 3 NumberOfCheckSat, 120 ConstructedInterpolants, 0 QuantifiedInterpolants, 37836 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...