/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=WIDESTAMONGSMALL --traceabstraction.additional.smt.options tolerance=0.4 --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 [2020-10-14 17:19:07,196 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-10-14 17:19:07,199 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-10-14 17:19:07,239 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-10-14 17:19:07,240 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-10-14 17:19:07,247 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-10-14 17:19:07,250 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-10-14 17:19:07,253 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-10-14 17:19:07,255 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-10-14 17:19:07,258 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-10-14 17:19:07,259 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-10-14 17:19:07,260 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-10-14 17:19:07,260 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-10-14 17:19:07,263 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-10-14 17:19:07,265 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-10-14 17:19:07,266 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-10-14 17:19:07,268 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-10-14 17:19:07,268 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-10-14 17:19:07,270 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-10-14 17:19:07,277 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-10-14 17:19:07,279 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-10-14 17:19:07,280 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-10-14 17:19:07,281 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-10-14 17:19:07,282 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-10-14 17:19:07,299 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-10-14 17:19:07,300 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-10-14 17:19:07,300 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-10-14 17:19:07,301 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-10-14 17:19:07,301 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-10-14 17:19:07,305 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-10-14 17:19:07,305 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-10-14 17:19:07,306 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-10-14 17:19:07,307 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-10-14 17:19:07,307 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-10-14 17:19:07,308 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-10-14 17:19:07,308 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-10-14 17:19:07,309 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-10-14 17:19:07,309 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-10-14 17:19:07,309 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-10-14 17:19:07,311 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-10-14 17:19:07,312 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-10-14 17:19:07,313 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 [2020-10-14 17:19:07,354 INFO L113 SettingsManager]: Loading preferences was successful [2020-10-14 17:19:07,354 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-10-14 17:19:07,356 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-10-14 17:19:07,356 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-10-14 17:19:07,356 INFO L138 SettingsManager]: * Use SBE=true [2020-10-14 17:19:07,357 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-10-14 17:19:07,357 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-10-14 17:19:07,357 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-10-14 17:19:07,357 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-10-14 17:19:07,357 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-10-14 17:19:07,357 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-10-14 17:19:07,358 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-10-14 17:19:07,358 INFO L138 SettingsManager]: * Use constant arrays=true [2020-10-14 17:19:07,359 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-10-14 17:19:07,359 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-10-14 17:19:07,359 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-10-14 17:19:07,360 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-10-14 17:19:07,360 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-10-14 17:19:07,360 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-10-14 17:19:07,360 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-10-14 17:19:07,360 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-10-14 17:19:07,360 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-10-14 17:19:07,361 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-10-14 17:19:07,361 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-10-14 17:19:07,361 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-10-14 17:19:07,361 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-10-14 17:19:07,362 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2020-10-14 17:19:07,362 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=WIDESTAMONGSMALL;tolerance=0.4;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=WIDESTAMONGSMALL;tolerance=0.4;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=WIDESTAMONGSMALL;tolerance=0.4;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=WIDESTAMONGSMALL;tolerance=0.4;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=WIDESTAMONGSMALL;tolerance=0.4;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=WIDESTAMONGSMALL;tolerance=0.4;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=WIDESTAMONGSMALL;tolerance=0.4;log-additional-information=true;unknown-allowed=true; [2020-10-14 17:19:07,671 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-10-14 17:19:07,690 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-10-14 17:19:07,693 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-10-14 17:19:07,694 INFO L271 PluginConnector]: Initializing CDTParser... [2020-10-14 17:19:07,695 INFO L275 PluginConnector]: CDTParser initialized [2020-10-14 17:19:07,696 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/ldv-validator-v0.6/linux-stable-42f9f8d-1-111_1a-sound--oss--opl3.ko-entry_point.cil.out.i [2020-10-14 17:19:07,753 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/727f832e2/36cc649435074bd88feb1c41609108ee/FLAG9ac285c22 [2020-10-14 17:19:08,498 INFO L306 CDTParser]: Found 1 translation units. [2020-10-14 17:19:08,500 INFO L160 CDTParser]: Scanning /storage/repos/ultimate-2/trunk/examples/svcomp/ldv-validator-v0.6/linux-stable-42f9f8d-1-111_1a-sound--oss--opl3.ko-entry_point.cil.out.i [2020-10-14 17:19:08,544 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/727f832e2/36cc649435074bd88feb1c41609108ee/FLAG9ac285c22 [2020-10-14 17:19:09,006 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/727f832e2/36cc649435074bd88feb1c41609108ee [2020-10-14 17:19:09,014 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-10-14 17:19:09,016 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-10-14 17:19:09,018 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-10-14 17:19:09,018 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-10-14 17:19:09,022 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-10-14 17:19:09,022 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.10 05:19:09" (1/1) ... [2020-10-14 17:19:09,026 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@11396c5e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 05:19:09, skipping insertion in model container [2020-10-14 17:19:09,026 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.10 05:19:09" (1/1) ... [2020-10-14 17:19:09,035 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-10-14 17:19:09,154 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-10-14 17:19:10,400 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-14 17:19:10,502 INFO L203 MainTranslator]: Completed pre-run [2020-10-14 17:19:10,776 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-14 17:19:11,085 INFO L208 MainTranslator]: Completed translation [2020-10-14 17:19:11,087 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 05:19:11 WrapperNode [2020-10-14 17:19:11,087 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-10-14 17:19:11,088 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-10-14 17:19:11,088 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-10-14 17:19:11,089 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-10-14 17:19:11,105 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 05:19:11" (1/1) ... [2020-10-14 17:19:11,105 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 05:19:11" (1/1) ... [2020-10-14 17:19:11,189 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 05:19:11" (1/1) ... [2020-10-14 17:19:11,189 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 05:19:11" (1/1) ... [2020-10-14 17:19:11,348 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 05:19:11" (1/1) ... [2020-10-14 17:19:11,368 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 05:19:11" (1/1) ... [2020-10-14 17:19:11,396 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 05:19:11" (1/1) ... [2020-10-14 17:19:11,425 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-10-14 17:19:11,426 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-10-14 17:19:11,426 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-10-14 17:19:11,426 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-10-14 17:19:11,427 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 05:19:11" (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 [2020-10-14 17:19:11,497 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-10-14 17:19:11,497 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-10-14 17:19:11,497 INFO L138 BoogieDeclarations]: Found implementation of procedure __kmalloc [2020-10-14 17:19:11,497 INFO L138 BoogieDeclarations]: Found implementation of procedure kmalloc [2020-10-14 17:19:11,498 INFO L138 BoogieDeclarations]: Found implementation of procedure kzalloc [2020-10-14 17:19:11,498 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2020-10-14 17:19:11,498 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2020-10-14 17:19:11,498 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_zalloc [2020-10-14 17:19:11,498 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undef_int [2020-10-14 17:19:11,499 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undef_ulong [2020-10-14 17:19:11,499 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_error [2020-10-14 17:19:11,499 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2020-10-14 17:19:11,499 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2020-10-14 17:19:11,499 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_trap [2020-10-14 17:19:11,499 INFO L138 BoogieDeclarations]: Found implementation of procedure outb [2020-10-14 17:19:11,500 INFO L138 BoogieDeclarations]: Found implementation of procedure inb [2020-10-14 17:19:11,500 INFO L138 BoogieDeclarations]: Found implementation of procedure copy_from_user [2020-10-14 17:19:11,500 INFO L138 BoogieDeclarations]: Found implementation of procedure copy_to_user [2020-10-14 17:19:11,500 INFO L138 BoogieDeclarations]: Found implementation of procedure enter_4op_mode [2020-10-14 17:19:11,501 INFO L138 BoogieDeclarations]: Found implementation of procedure opl3_ioctl [2020-10-14 17:19:11,501 INFO L138 BoogieDeclarations]: Found implementation of procedure opl3_detect [2020-10-14 17:19:11,501 INFO L138 BoogieDeclarations]: Found implementation of procedure opl3_kill_note [2020-10-14 17:19:11,501 INFO L138 BoogieDeclarations]: Found implementation of procedure store_instr [2020-10-14 17:19:11,501 INFO L138 BoogieDeclarations]: Found implementation of procedure opl3_set_instr [2020-10-14 17:19:11,501 INFO L138 BoogieDeclarations]: Found implementation of procedure calc_vol [2020-10-14 17:19:11,502 INFO L138 BoogieDeclarations]: Found implementation of procedure set_voice_volume [2020-10-14 17:19:11,502 INFO L138 BoogieDeclarations]: Found implementation of procedure opl3_start_note [2020-10-14 17:19:11,502 INFO L138 BoogieDeclarations]: Found implementation of procedure freq_to_fnum [2020-10-14 17:19:11,502 INFO L138 BoogieDeclarations]: Found implementation of procedure opl3_command [2020-10-14 17:19:11,502 INFO L138 BoogieDeclarations]: Found implementation of procedure opl3_reset [2020-10-14 17:19:11,502 INFO L138 BoogieDeclarations]: Found implementation of procedure opl3_open [2020-10-14 17:19:11,502 INFO L138 BoogieDeclarations]: Found implementation of procedure opl3_close [2020-10-14 17:19:11,503 INFO L138 BoogieDeclarations]: Found implementation of procedure opl3_hw_control [2020-10-14 17:19:11,503 INFO L138 BoogieDeclarations]: Found implementation of procedure opl3_load_patch [2020-10-14 17:19:11,503 INFO L138 BoogieDeclarations]: Found implementation of procedure opl3_panning [2020-10-14 17:19:11,503 INFO L138 BoogieDeclarations]: Found implementation of procedure opl3_volume_method [2020-10-14 17:19:11,503 INFO L138 BoogieDeclarations]: Found implementation of procedure opl3_aftertouch [2020-10-14 17:19:11,503 INFO L138 BoogieDeclarations]: Found implementation of procedure bend_pitch [2020-10-14 17:19:11,503 INFO L138 BoogieDeclarations]: Found implementation of procedure opl3_controller [2020-10-14 17:19:11,504 INFO L138 BoogieDeclarations]: Found implementation of procedure opl3_bender [2020-10-14 17:19:11,504 INFO L138 BoogieDeclarations]: Found implementation of procedure opl3_alloc_voice [2020-10-14 17:19:11,504 INFO L138 BoogieDeclarations]: Found implementation of procedure opl3_setup_voice [2020-10-14 17:19:11,504 INFO L138 BoogieDeclarations]: Found implementation of procedure opl3_init [2020-10-14 17:19:11,504 INFO L138 BoogieDeclarations]: Found implementation of procedure init_opl3 [2020-10-14 17:19:11,504 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup_opl3 [2020-10-14 17:19:11,504 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-10-14 17:19:11,505 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__copy_from_user_1 [2020-10-14 17:19:11,505 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__copy_to_user_2 [2020-10-14 17:19:11,505 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv___copy_user_nocache_3 [2020-10-14 17:19:11,505 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv___copy_user_nocache_4 [2020-10-14 17:19:11,505 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_copy_from_user_7 [2020-10-14 17:19:11,505 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop___0 [2020-10-14 17:19:11,506 INFO L138 BoogieDeclarations]: Found implementation of procedure strlen [2020-10-14 17:19:11,506 INFO L138 BoogieDeclarations]: Found implementation of procedure strnlen [2020-10-14 17:19:11,506 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_len [2020-10-14 17:19:11,506 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_ret_val [2020-10-14 17:19:11,506 INFO L138 BoogieDeclarations]: Found implementation of procedure __const_udelay [2020-10-14 17:19:11,506 INFO L138 BoogieDeclarations]: Found implementation of procedure __copy_user_nocache [2020-10-14 17:19:11,506 INFO L138 BoogieDeclarations]: Found implementation of procedure __release_region [2020-10-14 17:19:11,507 INFO L138 BoogieDeclarations]: Found implementation of procedure __request_region [2020-10-14 17:19:11,507 INFO L138 BoogieDeclarations]: Found implementation of procedure _copy_from_user [2020-10-14 17:19:11,507 INFO L138 BoogieDeclarations]: Found implementation of procedure _copy_to_user [2020-10-14 17:19:11,507 INFO L138 BoogieDeclarations]: Found implementation of procedure compute_finetune [2020-10-14 17:19:11,507 INFO L138 BoogieDeclarations]: Found implementation of procedure conf_printf2 [2020-10-14 17:19:11,507 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_final_state [2020-10-14 17:19:11,507 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_initialize [2020-10-14 17:19:11,508 INFO L138 BoogieDeclarations]: Found implementation of procedure might_fault [2020-10-14 17:19:11,508 INFO L138 BoogieDeclarations]: Found implementation of procedure note_to_freq [2020-10-14 17:19:11,508 INFO L138 BoogieDeclarations]: Found implementation of procedure printk [2020-10-14 17:19:11,508 INFO L138 BoogieDeclarations]: Found implementation of procedure sequencer_init [2020-10-14 17:19:11,508 INFO L138 BoogieDeclarations]: Found implementation of procedure sound_alloc_synthdev [2020-10-14 17:19:11,508 INFO L138 BoogieDeclarations]: Found implementation of procedure sound_unload_synthdev [2020-10-14 17:19:11,508 INFO L138 BoogieDeclarations]: Found implementation of procedure warn_slowpath_fmt [2020-10-14 17:19:11,509 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree [2020-10-14 17:19:11,509 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.meminit [2020-10-14 17:19:11,509 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy [2020-10-14 17:19:11,509 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_strcpy [2020-10-14 17:19:11,509 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2020-10-14 17:19:11,509 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2020-10-14 17:19:11,510 INFO L130 BoogieDeclarations]: Found specification of procedure printk [2020-10-14 17:19:11,510 INFO L130 BoogieDeclarations]: Found specification of procedure warn_slowpath_fmt [2020-10-14 17:19:11,510 INFO L130 BoogieDeclarations]: Found specification of procedure might_fault [2020-10-14 17:19:11,510 INFO L130 BoogieDeclarations]: Found specification of procedure memcpy [2020-10-14 17:19:11,510 INFO L130 BoogieDeclarations]: Found specification of procedure strcpy [2020-10-14 17:19:11,510 INFO L130 BoogieDeclarations]: Found specification of procedure __request_region [2020-10-14 17:19:11,511 INFO L130 BoogieDeclarations]: Found specification of procedure __release_region [2020-10-14 17:19:11,511 INFO L130 BoogieDeclarations]: Found specification of procedure __const_udelay [2020-10-14 17:19:11,511 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_len [2020-10-14 17:19:11,511 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2020-10-14 17:19:11,511 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2020-10-14 17:19:11,511 INFO L130 BoogieDeclarations]: Found specification of procedure __kmalloc [2020-10-14 17:19:11,511 INFO L130 BoogieDeclarations]: Found specification of procedure kmalloc [2020-10-14 17:19:11,511 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_zalloc [2020-10-14 17:19:11,512 INFO L130 BoogieDeclarations]: Found specification of procedure kzalloc [2020-10-14 17:19:11,512 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2020-10-14 17:19:11,512 INFO L130 BoogieDeclarations]: Found specification of procedure calloc [2020-10-14 17:19:11,512 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2020-10-14 17:19:11,512 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_uint [2020-10-14 17:19:11,512 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_ulong [2020-10-14 17:19:11,512 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2020-10-14 17:19:11,512 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2020-10-14 17:19:11,513 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2020-10-14 17:19:11,513 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.meminit [2020-10-14 17:19:11,513 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undef_int [2020-10-14 17:19:11,513 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undef_ulong [2020-10-14 17:19:11,513 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_error [2020-10-14 17:19:11,513 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2020-10-14 17:19:11,513 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_trap [2020-10-14 17:19:11,514 INFO L130 BoogieDeclarations]: Found specification of procedure outb [2020-10-14 17:19:11,514 INFO L130 BoogieDeclarations]: Found specification of procedure inb [2020-10-14 17:19:11,514 INFO L130 BoogieDeclarations]: Found specification of procedure _copy_to_user [2020-10-14 17:19:11,514 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__copy_to_user_2 [2020-10-14 17:19:11,514 INFO L130 BoogieDeclarations]: Found specification of procedure _copy_from_user [2020-10-14 17:19:11,514 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__copy_from_user_1 [2020-10-14 17:19:11,514 INFO L130 BoogieDeclarations]: Found specification of procedure copy_from_user [2020-10-14 17:19:11,514 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-10-14 17:19:11,515 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_copy_from_user_7 [2020-10-14 17:19:11,515 INFO L130 BoogieDeclarations]: Found specification of procedure copy_to_user [2020-10-14 17:19:11,515 INFO L130 BoogieDeclarations]: Found specification of procedure __copy_user_nocache [2020-10-14 17:19:11,515 INFO L130 BoogieDeclarations]: Found specification of procedure ldv___copy_user_nocache_3 [2020-10-14 17:19:11,515 INFO L130 BoogieDeclarations]: Found specification of procedure ldv___copy_user_nocache_4 [2020-10-14 17:19:11,515 INFO L130 BoogieDeclarations]: Found specification of procedure sequencer_init [2020-10-14 17:19:11,515 INFO L130 BoogieDeclarations]: Found specification of procedure note_to_freq [2020-10-14 17:19:11,516 INFO L130 BoogieDeclarations]: Found specification of procedure compute_finetune [2020-10-14 17:19:11,516 INFO L130 BoogieDeclarations]: Found specification of procedure conf_printf2 [2020-10-14 17:19:11,516 INFO L130 BoogieDeclarations]: Found specification of procedure sound_unload_synthdev [2020-10-14 17:19:11,516 INFO L130 BoogieDeclarations]: Found specification of procedure sound_alloc_synthdev [2020-10-14 17:19:11,516 INFO L130 BoogieDeclarations]: Found specification of procedure store_instr [2020-10-14 17:19:11,516 INFO L130 BoogieDeclarations]: Found specification of procedure freq_to_fnum [2020-10-14 17:19:11,516 INFO L130 BoogieDeclarations]: Found specification of procedure opl3_command [2020-10-14 17:19:11,517 INFO L130 BoogieDeclarations]: Found specification of procedure opl3_kill_note [2020-10-14 17:19:11,517 INFO L130 BoogieDeclarations]: Found specification of procedure enter_4op_mode [2020-10-14 17:19:11,517 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-10-14 17:19:11,517 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2020-10-14 17:19:11,517 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2020-10-14 17:19:11,517 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-10-14 17:19:11,518 INFO L130 BoogieDeclarations]: Found specification of procedure opl3_ioctl [2020-10-14 17:19:11,518 INFO L130 BoogieDeclarations]: Found specification of procedure opl3_detect [2020-10-14 17:19:11,518 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_strcpy [2020-10-14 17:19:11,518 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy [2020-10-14 17:19:11,518 INFO L130 BoogieDeclarations]: Found specification of procedure opl3_set_instr [2020-10-14 17:19:11,518 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2020-10-14 17:19:11,518 INFO L130 BoogieDeclarations]: Found specification of procedure calc_vol [2020-10-14 17:19:11,518 INFO L130 BoogieDeclarations]: Found specification of procedure set_voice_volume [2020-10-14 17:19:11,519 INFO L130 BoogieDeclarations]: Found specification of procedure opl3_start_note [2020-10-14 17:19:11,519 INFO L130 BoogieDeclarations]: Found specification of procedure opl3_reset [2020-10-14 17:19:11,519 INFO L130 BoogieDeclarations]: Found specification of procedure opl3_open [2020-10-14 17:19:11,519 INFO L130 BoogieDeclarations]: Found specification of procedure opl3_close [2020-10-14 17:19:11,519 INFO L130 BoogieDeclarations]: Found specification of procedure opl3_hw_control [2020-10-14 17:19:11,519 INFO L130 BoogieDeclarations]: Found specification of procedure opl3_load_patch [2020-10-14 17:19:11,520 INFO L130 BoogieDeclarations]: Found specification of procedure opl3_panning [2020-10-14 17:19:11,520 INFO L130 BoogieDeclarations]: Found specification of procedure opl3_volume_method [2020-10-14 17:19:11,520 INFO L130 BoogieDeclarations]: Found specification of procedure opl3_aftertouch [2020-10-14 17:19:11,520 INFO L130 BoogieDeclarations]: Found specification of procedure bend_pitch [2020-10-14 17:19:11,520 INFO L130 BoogieDeclarations]: Found specification of procedure opl3_controller [2020-10-14 17:19:11,520 INFO L130 BoogieDeclarations]: Found specification of procedure opl3_bender [2020-10-14 17:19:11,520 INFO L130 BoogieDeclarations]: Found specification of procedure opl3_alloc_voice [2020-10-14 17:19:11,520 INFO L130 BoogieDeclarations]: Found specification of procedure opl3_setup_voice [2020-10-14 17:19:11,521 INFO L130 BoogieDeclarations]: Found specification of procedure opl3_init [2020-10-14 17:19:11,521 INFO L130 BoogieDeclarations]: Found specification of procedure init_opl3 [2020-10-14 17:19:11,521 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup_opl3 [2020-10-14 17:19:11,521 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_initialize [2020-10-14 17:19:11,521 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_final_state [2020-10-14 17:19:11,521 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-10-14 17:19:11,521 INFO L130 BoogieDeclarations]: Found specification of procedure strlen [2020-10-14 17:19:11,521 INFO L130 BoogieDeclarations]: Found specification of procedure strnlen [2020-10-14 17:19:11,522 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop___0 [2020-10-14 17:19:11,522 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_ret_val [2020-10-14 17:19:11,522 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_long [2020-10-14 17:19:11,522 INFO L130 BoogieDeclarations]: Found specification of procedure free [2020-10-14 17:19:11,522 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-10-14 17:19:11,522 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-10-14 17:19:11,522 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2020-10-14 17:19:11,523 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-10-14 17:19:11,523 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2020-10-14 17:19:11,523 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2020-10-14 17:19:11,523 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2020-10-14 17:19:11,523 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int [2020-10-14 17:19:12,497 INFO L732 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stopFINAL: assume true; [2020-10-14 17:19:15,063 INFO L732 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stop___0FINAL: assume true; [2020-10-14 17:19:16,868 INFO L290 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-10-14 17:19:16,868 INFO L295 CfgBuilder]: Removed 2 assume(true) statements. [2020-10-14 17:19:16,878 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.10 05:19:16 BoogieIcfgContainer [2020-10-14 17:19:16,878 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-10-14 17:19:16,880 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-10-14 17:19:16,880 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-10-14 17:19:16,884 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-10-14 17:19:16,884 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 14.10 05:19:09" (1/3) ... [2020-10-14 17:19:16,885 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@a54236 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.10 05:19:16, skipping insertion in model container [2020-10-14 17:19:16,886 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 05:19:11" (2/3) ... [2020-10-14 17:19:16,886 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@a54236 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.10 05:19:16, skipping insertion in model container [2020-10-14 17:19:16,886 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.10 05:19:16" (3/3) ... [2020-10-14 17:19:16,888 INFO L109 eAbstractionObserver]: Analyzing ICFG linux-stable-42f9f8d-1-111_1a-sound--oss--opl3.ko-entry_point.cil.out.i [2020-10-14 17:19:16,902 INFO L157 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:Craig_NestedInterpolation Determinization: PREDICATE_ABSTRACTION [2020-10-14 17:19:16,912 INFO L169 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-10-14 17:19:16,934 INFO L251 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-10-14 17:19:16,962 INFO L375 AbstractCegarLoop]: Interprodecural is true [2020-10-14 17:19:16,962 INFO L376 AbstractCegarLoop]: Hoare is true [2020-10-14 17:19:16,962 INFO L377 AbstractCegarLoop]: Compute interpolants for Craig_NestedInterpolation [2020-10-14 17:19:16,962 INFO L378 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-10-14 17:19:16,963 INFO L379 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-10-14 17:19:16,963 INFO L380 AbstractCegarLoop]: Difference is false [2020-10-14 17:19:16,963 INFO L381 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-10-14 17:19:16,963 INFO L385 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-10-14 17:19:17,000 INFO L276 IsEmpty]: Start isEmpty. Operand 850 states. [2020-10-14 17:19:17,014 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 54 [2020-10-14 17:19:17,014 INFO L414 BasicCegarLoop]: Found error trace [2020-10-14 17:19:17,016 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] [2020-10-14 17:19:17,016 INFO L427 AbstractCegarLoop]: === Iteration 1 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-14 17:19:17,022 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-14 17:19:17,022 INFO L82 PathProgramCache]: Analyzing trace with hash -2120907459, now seen corresponding path program 1 times [2020-10-14 17:19:17,032 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-14 17:19:17,033 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [613132959] [2020-10-14 17:19:17,033 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-14 17:19:17,702 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 17:19:17,964 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 17:19:18,607 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 17:19:24,942 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 17:19:24,942 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 77 [2020-10-14 17:19:24,942 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-14 17:19:24,943 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7234 [2020-10-14 17:19:24,945 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 17:19:24,946 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 17:19:24,946 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 17:19:24,946 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 49 [2020-10-14 17:19:24,946 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 10 [2020-10-14 17:19:24,947 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 3 [2020-10-14 17:19:25,594 WARN L193 SmtUtils]: Spent 386.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-10-14 17:19:25,596 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-14 17:19:25,626 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 17:19:25,635 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 17:19:26,133 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 17:19:26,134 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 17:19:26,134 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 17:19:26,134 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 506 [2020-10-14 17:19:26,134 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 17:19:26,135 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 17:19:26,135 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 17:19:26,135 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 17:19:26,135 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 17:19:26,136 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 17:19:26,301 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-14 17:19:26,302 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 17:19:26,306 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 17:19:26,311 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 17:19:26,311 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 17:19:26,311 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 17:19:26,311 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-10-14 17:19:26,312 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 17:19:26,312 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 17:19:26,312 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 17:19:26,312 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 17:19:26,313 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 17:19:26,313 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 17:19:26,319 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-14 17:19:26,322 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 17:19:26,329 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 17:19:26,333 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 17:19:26,334 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 17:19:26,334 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 17:19:26,334 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-14 17:19:26,335 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 17:19:26,335 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 17:19:26,335 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 17:19:26,335 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 17:19:26,336 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 17:19:26,336 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 17:19:26,342 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-10-14 17:19:26,343 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 17:19:26,357 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 17:19:26,363 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 17:19:26,364 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 17:19:26,364 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 17:19:26,369 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 19 [2020-10-14 17:19:26,370 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 17:19:26,370 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 17:19:26,370 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 17:19:26,370 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 17:19:26,370 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 17:19:26,371 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 17:19:26,383 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2020-10-14 17:19:26,384 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 17:19:26,388 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 17:19:26,392 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 17:19:26,392 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 17:19:26,393 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 17:19:26,393 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-10-14 17:19:26,393 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 17:19:26,393 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 17:19:26,393 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 17:19:26,394 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 17:19:26,394 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 17:19:26,395 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 17:19:26,400 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 30 [2020-10-14 17:19:26,402 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 17:19:26,405 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 17:19:26,415 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 17:19:26,415 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-14 17:19:26,415 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 17:19:26,415 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 12 [2020-10-14 17:19:26,416 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 17:19:26,416 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 17:19:26,416 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 17:19:26,416 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 17:19:26,417 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 17:19:26,417 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 17:19:26,435 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2020-10-14 17:19:26,436 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [613132959] [2020-10-14 17:19:26,438 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-14 17:19:26,439 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2020-10-14 17:19:26,440 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1480473735] [2020-10-14 17:19:26,445 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-10-14 17:19:26,447 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-14 17:19:26,461 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-10-14 17:19:26,461 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2020-10-14 17:19:26,464 INFO L87 Difference]: Start difference. First operand 850 states. Second operand 5 states. [2020-10-14 17:19:26,763 WARN L193 SmtUtils]: Spent 269.00 ms on a formula simplification that was a NOOP. DAG size: 193 [2020-10-14 17:19:27,949 WARN L193 SmtUtils]: Spent 236.00 ms on a formula simplification that was a NOOP. DAG size: 195 [2020-10-14 17:19:28,241 WARN L193 SmtUtils]: Spent 222.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-10-14 17:19:45,444 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-14 17:19:45,444 INFO L93 Difference]: Finished difference Result 2270 states and 3411 transitions. [2020-10-14 17:19:45,445 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2020-10-14 17:19:45,446 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 53 [2020-10-14 17:19:45,447 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-14 17:19:45,476 INFO L225 Difference]: With dead ends: 2270 [2020-10-14 17:19:45,476 INFO L226 Difference]: Without dead ends: 1360 [2020-10-14 17:19:45,494 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 20 GetRequests, 13 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 1.2s TimeCoverageRelationStatistics Valid=27, Invalid=45, Unknown=0, NotChecked=0, Total=72 [2020-10-14 17:19:45,521 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1360 states. [2020-10-14 17:19:45,751 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1360 to 1042. [2020-10-14 17:19:45,752 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1042 states. [2020-10-14 17:19:45,762 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1042 states to 1042 states and 1467 transitions. [2020-10-14 17:19:45,765 INFO L78 Accepts]: Start accepts. Automaton has 1042 states and 1467 transitions. Word has length 53 [2020-10-14 17:19:45,766 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-14 17:19:45,766 INFO L479 AbstractCegarLoop]: Abstraction has 1042 states and 1467 transitions. [2020-10-14 17:19:45,766 INFO L480 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-10-14 17:19:45,766 INFO L276 IsEmpty]: Start isEmpty. Operand 1042 states and 1467 transitions. [2020-10-14 17:19:45,772 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 70 [2020-10-14 17:19:45,772 INFO L414 BasicCegarLoop]: Found error trace [2020-10-14 17:19:45,773 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] [2020-10-14 17:19:45,773 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-10-14 17:19:45,773 INFO L427 AbstractCegarLoop]: === Iteration 2 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-14 17:19:45,774 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-14 17:19:45,774 INFO L82 PathProgramCache]: Analyzing trace with hash 1703830054, now seen corresponding path program 1 times [2020-10-14 17:19:45,775 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-14 17:19:45,775 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [753248852] [2020-10-14 17:19:45,775 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-14 17:19:45,974 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 17:19:46,221 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 17:19:52,560 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 17:19:52,561 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 95 [2020-10-14 17:19:52,561 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 17:19:52,561 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6584 [2020-10-14 17:19:52,562 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 17:19:52,562 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 17:19:52,562 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-14 17:19:52,562 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 83 [2020-10-14 17:19:52,563 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-10-14 17:19:52,563 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 17:19:53,094 WARN L193 SmtUtils]: Spent 222.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-10-14 17:19:53,096 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-14 17:19:53,126 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 17:19:53,135 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 17:19:53,940 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 17:19:53,940 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 17:19:53,941 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 17:19:53,941 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 812 [2020-10-14 17:19:53,941 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 17:19:53,941 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 17:19:53,941 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 17:19:53,942 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 17:19:53,942 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 17:19:53,942 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 17:19:54,097 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-14 17:19:54,098 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 17:19:54,101 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 17:19:54,105 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 17:19:54,105 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 17:19:54,105 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 17:19:54,106 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-14 17:19:54,106 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 17:19:54,106 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 17:19:54,106 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 17:19:54,107 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 17:19:54,109 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 17:19:54,110 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 3 [2020-10-14 17:19:54,114 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-14 17:19:54,115 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 17:19:54,118 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 17:19:54,121 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 17:19:54,121 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 17:19:54,121 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 17:19:54,122 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-14 17:19:54,122 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 17:19:54,122 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 17:19:54,122 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 17:19:54,122 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 17:19:54,123 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 17:19:54,123 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 17:19:54,128 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-10-14 17:19:54,133 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 17:19:54,138 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 17:19:54,145 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 17:19:54,146 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 17:19:54,146 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 17:19:54,147 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 11 [2020-10-14 17:19:54,147 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 17:19:54,147 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 17:19:54,147 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 17:19:54,148 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 17:19:54,148 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 17:19:54,148 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 17:19:54,154 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2020-10-14 17:19:54,155 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 17:19:54,159 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 17:19:54,165 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 17:19:54,165 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 17:19:54,166 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 17:19:54,166 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 9 [2020-10-14 17:19:54,166 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 17:19:54,166 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 17:19:54,167 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 17:19:54,167 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 17:19:54,167 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 17:19:54,172 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 5 [2020-10-14 17:19:54,177 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 30 [2020-10-14 17:19:54,177 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 17:19:54,181 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 17:19:54,184 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 17:19:54,184 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-14 17:19:54,185 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 17:19:54,185 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-14 17:19:54,185 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 17:19:54,186 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 17:19:54,186 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 17:19:54,186 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 17:19:54,186 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 17:19:54,187 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 17:19:54,227 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2020-10-14 17:19:54,229 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 17:19:54,234 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 17:19:54,240 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 17:19:54,240 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-14 17:19:54,240 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 17:19:54,241 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 9 [2020-10-14 17:19:54,241 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 17:19:54,241 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 17:19:54,242 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 17:19:54,242 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 17:19:54,242 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 17:19:54,243 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 17:19:54,266 INFO L134 CoverageAnalysis]: Checked inductivity of 26 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2020-10-14 17:19:54,267 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [753248852] [2020-10-14 17:19:54,267 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-14 17:19:54,267 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2020-10-14 17:19:54,268 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [583651077] [2020-10-14 17:19:54,271 INFO L459 AbstractCegarLoop]: Interpolant automaton has 9 states [2020-10-14 17:19:54,272 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-14 17:19:54,272 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2020-10-14 17:19:54,272 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=56, Unknown=0, NotChecked=0, Total=72 [2020-10-14 17:19:54,273 INFO L87 Difference]: Start difference. First operand 1042 states and 1467 transitions. Second operand 9 states. [2020-10-14 17:19:54,686 WARN L193 SmtUtils]: Spent 394.00 ms on a formula simplification that was a NOOP. DAG size: 199 [2020-10-14 17:20:05,670 WARN L193 SmtUtils]: Spent 234.00 ms on a formula simplification that was a NOOP. DAG size: 203 [2020-10-14 17:20:06,244 WARN L193 SmtUtils]: Spent 290.00 ms on a formula simplification that was a NOOP. DAG size: 211 [2020-10-14 17:20:06,688 WARN L193 SmtUtils]: Spent 234.00 ms on a formula simplification that was a NOOP. DAG size: 202 [2020-10-14 17:20:07,212 WARN L193 SmtUtils]: Spent 306.00 ms on a formula simplification that was a NOOP. DAG size: 204 [2020-10-14 17:20:21,519 WARN L193 SmtUtils]: Spent 237.00 ms on a formula simplification that was a NOOP. DAG size: 202 [2020-10-14 17:20:35,518 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-14 17:20:35,518 INFO L93 Difference]: Finished difference Result 1557 states and 2301 transitions. [2020-10-14 17:20:35,519 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2020-10-14 17:20:35,519 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 69 [2020-10-14 17:20:35,519 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-14 17:20:35,533 INFO L225 Difference]: With dead ends: 1557 [2020-10-14 17:20:35,533 INFO L226 Difference]: Without dead ends: 1554 [2020-10-14 17:20:35,535 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 27 GetRequests, 14 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 8 ImplicationChecksByTransitivity, 2.2s TimeCoverageRelationStatistics Valid=61, Invalid=149, Unknown=0, NotChecked=0, Total=210 [2020-10-14 17:20:35,538 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1554 states. [2020-10-14 17:20:35,667 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1554 to 1052. [2020-10-14 17:20:35,667 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1052 states. [2020-10-14 17:20:35,675 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1052 states to 1052 states and 1477 transitions. [2020-10-14 17:20:35,676 INFO L78 Accepts]: Start accepts. Automaton has 1052 states and 1477 transitions. Word has length 69 [2020-10-14 17:20:35,676 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-14 17:20:35,676 INFO L479 AbstractCegarLoop]: Abstraction has 1052 states and 1477 transitions. [2020-10-14 17:20:35,676 INFO L480 AbstractCegarLoop]: Interpolant automaton has 9 states. [2020-10-14 17:20:35,677 INFO L276 IsEmpty]: Start isEmpty. Operand 1052 states and 1477 transitions. [2020-10-14 17:20:35,681 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 79 [2020-10-14 17:20:35,681 INFO L414 BasicCegarLoop]: Found error trace [2020-10-14 17:20:35,682 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] [2020-10-14 17:20:35,682 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-10-14 17:20:35,682 INFO L427 AbstractCegarLoop]: === Iteration 3 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-14 17:20:35,682 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-14 17:20:35,682 INFO L82 PathProgramCache]: Analyzing trace with hash 1091599735, now seen corresponding path program 1 times [2020-10-14 17:20:35,683 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-14 17:20:35,683 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [292457689] [2020-10-14 17:20:35,683 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-14 17:20:38,409 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-10-14 17:20:38,425 INFO L174 FreeRefinementEngine]: Strategy FIXED_PREFERENCES found a feasible trace [2020-10-14 17:20:38,425 INFO L520 BasicCegarLoop]: Counterexample might be feasible [2020-10-14 17:20:38,434 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-10-14 17:20:38,522 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 14.10 05:20:38 BoogieIcfgContainer [2020-10-14 17:20:38,522 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-10-14 17:20:38,527 INFO L168 Benchmark]: Toolchain (without parser) took 89508.46 ms. Allocated memory was 147.3 MB in the beginning and 1.0 GB in the end (delta: 883.4 MB). Free memory was 96.0 MB in the beginning and 312.4 MB in the end (delta: -216.3 MB). Peak memory consumption was 895.0 MB. Max. memory is 7.1 GB. [2020-10-14 17:20:38,534 INFO L168 Benchmark]: CDTParser took 0.18 ms. Allocated memory is still 147.3 MB. Free memory was 121.9 MB in the beginning and 121.5 MB in the end (delta: 419.4 kB). Peak memory consumption was 419.4 kB. Max. memory is 7.1 GB. [2020-10-14 17:20:38,536 INFO L168 Benchmark]: CACSL2BoogieTranslator took 2069.65 ms. Allocated memory was 147.3 MB in the beginning and 245.9 MB in the end (delta: 98.6 MB). Free memory was 95.6 MB in the beginning and 174.0 MB in the end (delta: -78.4 MB). Peak memory consumption was 82.8 MB. Max. memory is 7.1 GB. [2020-10-14 17:20:38,537 INFO L168 Benchmark]: Boogie Preprocessor took 337.32 ms. Allocated memory is still 245.9 MB. Free memory was 174.0 MB in the beginning and 146.2 MB in the end (delta: 27.8 MB). Peak memory consumption was 27.8 MB. Max. memory is 7.1 GB. [2020-10-14 17:20:38,538 INFO L168 Benchmark]: RCFGBuilder took 5452.67 ms. Allocated memory was 245.9 MB in the beginning and 379.1 MB in the end (delta: 133.2 MB). Free memory was 146.2 MB in the beginning and 273.0 MB in the end (delta: -126.8 MB). Peak memory consumption was 200.8 MB. Max. memory is 7.1 GB. [2020-10-14 17:20:38,539 INFO L168 Benchmark]: TraceAbstraction took 81642.47 ms. Allocated memory was 379.1 MB in the beginning and 1.0 GB in the end (delta: 651.7 MB). Free memory was 273.0 MB in the beginning and 312.4 MB in the end (delta: -39.4 MB). Peak memory consumption was 840.2 MB. Max. memory is 7.1 GB. [2020-10-14 17:20:38,549 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.18 ms. Allocated memory is still 147.3 MB. Free memory was 121.9 MB in the beginning and 121.5 MB in the end (delta: 419.4 kB). Peak memory consumption was 419.4 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 2069.65 ms. Allocated memory was 147.3 MB in the beginning and 245.9 MB in the end (delta: 98.6 MB). Free memory was 95.6 MB in the beginning and 174.0 MB in the end (delta: -78.4 MB). Peak memory consumption was 82.8 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 337.32 ms. Allocated memory is still 245.9 MB. Free memory was 174.0 MB in the beginning and 146.2 MB in the end (delta: 27.8 MB). Peak memory consumption was 27.8 MB. Max. memory is 7.1 GB. * RCFGBuilder took 5452.67 ms. Allocated memory was 245.9 MB in the beginning and 379.1 MB in the end (delta: 133.2 MB). Free memory was 146.2 MB in the beginning and 273.0 MB in the end (delta: -126.8 MB). Peak memory consumption was 200.8 MB. Max. memory is 7.1 GB. * TraceAbstraction took 81642.47 ms. Allocated memory was 379.1 MB in the beginning and 1.0 GB in the end (delta: 651.7 MB). Free memory was 273.0 MB in the beginning and 312.4 MB in the end (delta: -39.4 MB). Peak memory consumption was 840.2 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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(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: 81.4s, OverallIterations: 3, TraceHistogramMax: 4, AutomataDifference: 60.3s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 2195 SDtfs, 3042 SDslu, 4387 SDs, 0 SdLazy, 5924 SolverSat, 1791 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 50.4s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 47 GetRequests, 27 SyntacticMatches, 0 SemanticMatches, 20 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 13 ImplicationChecksByTransitivity, 3.4s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=1052occurred 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, 820 StatesRemovedByMinimization, 2 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 3.3s SatisfiabilityAnalysisTime, 16.9s InterpolantComputationTime, 200 NumberOfCodeBlocks, 200 NumberOfCodeBlocksAsserted, 3 NumberOfCheckSat, 120 ConstructedInterpolants, 0 QuantifiedInterpolants, 38460 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...