/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-linux-3.16-rc1/43_2a_consumption_linux-3.16-rc1.tar.xz-43_2a-sound--drivers--snd-serial-u16550.ko-entry_point.cil.out.i -------------------------------------------------------------------------------- This is Ultimate 0.1.25-adbd35c [2020-10-13 01:17:27,039 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-10-13 01:17:27,042 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-10-13 01:17:27,068 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-10-13 01:17:27,069 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-10-13 01:17:27,070 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-10-13 01:17:27,071 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-10-13 01:17:27,073 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-10-13 01:17:27,074 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-10-13 01:17:27,075 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-10-13 01:17:27,076 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-10-13 01:17:27,077 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-10-13 01:17:27,077 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-10-13 01:17:27,078 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-10-13 01:17:27,079 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-10-13 01:17:27,080 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-10-13 01:17:27,081 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-10-13 01:17:27,082 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-10-13 01:17:27,084 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-10-13 01:17:27,086 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-10-13 01:17:27,088 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-10-13 01:17:27,089 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-10-13 01:17:27,090 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-10-13 01:17:27,091 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-10-13 01:17:27,094 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-10-13 01:17:27,094 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-10-13 01:17:27,094 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-10-13 01:17:27,095 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-10-13 01:17:27,096 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-10-13 01:17:27,097 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-10-13 01:17:27,097 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-10-13 01:17:27,098 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-10-13 01:17:27,099 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-10-13 01:17:27,099 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-10-13 01:17:27,100 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-10-13 01:17:27,101 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-10-13 01:17:27,101 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-10-13 01:17:27,102 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-10-13 01:17:27,102 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-10-13 01:17:27,103 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-10-13 01:17:27,103 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-10-13 01:17:27,104 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 01:17:27,128 INFO L113 SettingsManager]: Loading preferences was successful [2020-10-13 01:17:27,128 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-10-13 01:17:27,130 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-10-13 01:17:27,130 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-10-13 01:17:27,130 INFO L138 SettingsManager]: * Use SBE=true [2020-10-13 01:17:27,130 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-10-13 01:17:27,131 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-10-13 01:17:27,131 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-10-13 01:17:27,131 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-10-13 01:17:27,131 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-10-13 01:17:27,131 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-10-13 01:17:27,131 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-10-13 01:17:27,132 INFO L138 SettingsManager]: * Use constant arrays=true [2020-10-13 01:17:27,132 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-10-13 01:17:27,132 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-10-13 01:17:27,132 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-10-13 01:17:27,133 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-10-13 01:17:27,133 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-10-13 01:17:27,133 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-10-13 01:17:27,133 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-10-13 01:17:27,133 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-10-13 01:17:27,134 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-10-13 01:17:27,134 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-10-13 01:17:27,134 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-10-13 01:17:27,134 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-10-13 01:17:27,134 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-10-13 01:17:27,135 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2020-10-13 01:17:27,135 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 01:17:27,451 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-10-13 01:17:27,464 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-10-13 01:17:27,467 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-10-13 01:17:27,469 INFO L271 PluginConnector]: Initializing CDTParser... [2020-10-13 01:17:27,469 INFO L275 PluginConnector]: CDTParser initialized [2020-10-13 01:17:27,470 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/ldv-linux-3.16-rc1/43_2a_consumption_linux-3.16-rc1.tar.xz-43_2a-sound--drivers--snd-serial-u16550.ko-entry_point.cil.out.i [2020-10-13 01:17:27,548 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/1de043cd1/d2d50ccca4b74854aeb95112532afe7b/FLAG96fe3812a [2020-10-13 01:17:28,251 INFO L306 CDTParser]: Found 1 translation units. [2020-10-13 01:17:28,252 INFO L160 CDTParser]: Scanning /storage/repos/ultimate-2/trunk/examples/svcomp/ldv-linux-3.16-rc1/43_2a_consumption_linux-3.16-rc1.tar.xz-43_2a-sound--drivers--snd-serial-u16550.ko-entry_point.cil.out.i [2020-10-13 01:17:28,288 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/1de043cd1/d2d50ccca4b74854aeb95112532afe7b/FLAG96fe3812a [2020-10-13 01:17:28,442 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/1de043cd1/d2d50ccca4b74854aeb95112532afe7b [2020-10-13 01:17:28,450 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-10-13 01:17:28,451 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-10-13 01:17:28,455 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-10-13 01:17:28,456 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-10-13 01:17:28,459 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-10-13 01:17:28,461 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.10 01:17:28" (1/1) ... [2020-10-13 01:17:28,464 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7a429c6c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 01:17:28, skipping insertion in model container [2020-10-13 01:17:28,464 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.10 01:17:28" (1/1) ... [2020-10-13 01:17:28,472 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-10-13 01:17:28,585 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-10-13 01:17:29,088 WARN L1191 CHandler]: Detected problem Invalid redeclaration of the name show at C: (*show)(struct kobject___0 * , struct attribute___0 * , char * ) [2471] [2020-10-13 01:17:29,089 WARN L1191 CHandler]: Detected problem Invalid redeclaration of the name store at C: (*store)(struct kobject___0 * , struct attribute___0 * , char const * , size_t ) [2472-2473] [2020-10-13 01:17:29,705 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-13 01:17:29,759 INFO L203 MainTranslator]: Completed pre-run [2020-10-13 01:17:29,819 WARN L1191 CHandler]: Detected problem Invalid redeclaration of the name show at C: (*show)(struct kobject___0 * , struct attribute___0 * , char * ) [2471] [2020-10-13 01:17:29,819 WARN L1191 CHandler]: Detected problem Invalid redeclaration of the name store at C: (*store)(struct kobject___0 * , struct attribute___0 * , char const * , size_t ) [2472-2473] [2020-10-13 01:17:30,012 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-13 01:17:30,178 INFO L208 MainTranslator]: Completed translation [2020-10-13 01:17:30,179 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 01:17:30 WrapperNode [2020-10-13 01:17:30,179 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-10-13 01:17:30,180 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-10-13 01:17:30,180 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-10-13 01:17:30,180 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-10-13 01:17:30,197 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 01:17:30" (1/1) ... [2020-10-13 01:17:30,198 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 01:17:30" (1/1) ... [2020-10-13 01:17:30,277 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 01:17:30" (1/1) ... [2020-10-13 01:17:30,277 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 01:17:30" (1/1) ... [2020-10-13 01:17:30,408 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 01:17:30" (1/1) ... [2020-10-13 01:17:30,421 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 01:17:30" (1/1) ... [2020-10-13 01:17:30,439 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 01:17:30" (1/1) ... [2020-10-13 01:17:30,463 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-10-13 01:17:30,464 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-10-13 01:17:30,464 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-10-13 01:17:30,465 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-10-13 01:17:30,466 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 01:17:30" (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 01:17:30,551 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-10-13 01:17:30,551 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-10-13 01:17:30,552 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~TO~VOID [2020-10-13 01:17:30,553 INFO L138 BoogieDeclarations]: Found implementation of procedure IS_ERR [2020-10-13 01:17:30,553 INFO L138 BoogieDeclarations]: Found implementation of procedure spinlock_check [2020-10-13 01:17:30,554 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_lock_1 [2020-10-13 01:17:30,554 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_5 [2020-10-13 01:17:30,554 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_irqrestore_8 [2020-10-13 01:17:30,555 INFO L138 BoogieDeclarations]: Found implementation of procedure outb [2020-10-13 01:17:30,555 INFO L138 BoogieDeclarations]: Found implementation of procedure inb [2020-10-13 01:17:30,555 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2020-10-13 01:17:30,555 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2020-10-13 01:17:30,555 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_zalloc [2020-10-13 01:17:30,558 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undef_int [2020-10-13 01:17:30,558 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undef_ulong [2020-10-13 01:17:30,558 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_error [2020-10-13 01:17:30,559 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2020-10-13 01:17:30,559 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2020-10-13 01:17:30,560 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_trap [2020-10-13 01:17:30,560 INFO L138 BoogieDeclarations]: Found implementation of procedure request_irq [2020-10-13 01:17:30,560 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_get_drvdata [2020-10-13 01:17:30,560 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_set_drvdata [2020-10-13 01:17:30,561 INFO L138 BoogieDeclarations]: Found implementation of procedure platform_device_register_resndata [2020-10-13 01:17:30,561 INFO L138 BoogieDeclarations]: Found implementation of procedure platform_device_register_simple [2020-10-13 01:17:30,561 INFO L138 BoogieDeclarations]: Found implementation of procedure platform_get_drvdata [2020-10-13 01:17:30,561 INFO L138 BoogieDeclarations]: Found implementation of procedure platform_set_drvdata [2020-10-13 01:17:30,561 INFO L138 BoogieDeclarations]: Found implementation of procedure snd_uart16550_add_timer [2020-10-13 01:17:30,561 INFO L138 BoogieDeclarations]: Found implementation of procedure snd_uart16550_del_timer [2020-10-13 01:17:30,561 INFO L138 BoogieDeclarations]: Found implementation of procedure snd_uart16550_buffer_output [2020-10-13 01:17:30,562 INFO L138 BoogieDeclarations]: Found implementation of procedure snd_uart16550_io_loop [2020-10-13 01:17:30,562 INFO L138 BoogieDeclarations]: Found implementation of procedure snd_uart16550_interrupt [2020-10-13 01:17:30,562 INFO L138 BoogieDeclarations]: Found implementation of procedure snd_uart16550_buffer_timer [2020-10-13 01:17:30,562 INFO L138 BoogieDeclarations]: Found implementation of procedure snd_uart16550_detect [2020-10-13 01:17:30,562 INFO L138 BoogieDeclarations]: Found implementation of procedure snd_uart16550_do_open [2020-10-13 01:17:30,563 INFO L138 BoogieDeclarations]: Found implementation of procedure snd_uart16550_do_close [2020-10-13 01:17:30,563 INFO L138 BoogieDeclarations]: Found implementation of procedure snd_uart16550_input_open [2020-10-13 01:17:30,563 INFO L138 BoogieDeclarations]: Found implementation of procedure snd_uart16550_input_close [2020-10-13 01:17:30,563 INFO L138 BoogieDeclarations]: Found implementation of procedure snd_uart16550_input_trigger [2020-10-13 01:17:30,563 INFO L138 BoogieDeclarations]: Found implementation of procedure snd_uart16550_output_open [2020-10-13 01:17:30,563 INFO L138 BoogieDeclarations]: Found implementation of procedure snd_uart16550_output_close [2020-10-13 01:17:30,563 INFO L138 BoogieDeclarations]: Found implementation of procedure snd_uart16550_buffer_can_write [2020-10-13 01:17:30,564 INFO L138 BoogieDeclarations]: Found implementation of procedure snd_uart16550_write_buffer [2020-10-13 01:17:30,564 INFO L138 BoogieDeclarations]: Found implementation of procedure snd_uart16550_output_byte [2020-10-13 01:17:30,564 INFO L138 BoogieDeclarations]: Found implementation of procedure snd_uart16550_output_write [2020-10-13 01:17:30,564 INFO L138 BoogieDeclarations]: Found implementation of procedure snd_uart16550_output_trigger [2020-10-13 01:17:30,564 INFO L138 BoogieDeclarations]: Found implementation of procedure snd_uart16550_free [2020-10-13 01:17:30,564 INFO L138 BoogieDeclarations]: Found implementation of procedure snd_uart16550_dev_free [2020-10-13 01:17:30,565 INFO L138 BoogieDeclarations]: Found implementation of procedure snd_uart16550_create [2020-10-13 01:17:30,565 INFO L138 BoogieDeclarations]: Found implementation of procedure snd_uart16550_substreams [2020-10-13 01:17:30,565 INFO L138 BoogieDeclarations]: Found implementation of procedure snd_uart16550_rmidi [2020-10-13 01:17:30,565 INFO L138 BoogieDeclarations]: Found implementation of procedure snd_serial_probe [2020-10-13 01:17:30,566 INFO L138 BoogieDeclarations]: Found implementation of procedure snd_serial_remove [2020-10-13 01:17:30,566 INFO L138 BoogieDeclarations]: Found implementation of procedure snd_serial_unregister_all [2020-10-13 01:17:30,566 INFO L138 BoogieDeclarations]: Found implementation of procedure alsa_card_serial_init [2020-10-13 01:17:30,566 INFO L138 BoogieDeclarations]: Found implementation of procedure alsa_card_serial_exit [2020-10-13 01:17:30,566 INFO L138 BoogieDeclarations]: Found implementation of procedure choose_timer_2 [2020-10-13 01:17:30,566 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_initialize_snd_rawmidi_ops_5 [2020-10-13 01:17:30,567 INFO L138 BoogieDeclarations]: Found implementation of procedure reg_timer_2 [2020-10-13 01:17:30,567 INFO L138 BoogieDeclarations]: Found implementation of procedure activate_pending_timer_2 [2020-10-13 01:17:30,567 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_initialize_snd_rawmidi_ops_4 [2020-10-13 01:17:30,567 INFO L138 BoogieDeclarations]: Found implementation of procedure disable_suitable_timer_2 [2020-10-13 01:17:30,567 INFO L138 BoogieDeclarations]: Found implementation of procedure disable_suitable_irq_1 [2020-10-13 01:17:30,568 INFO L138 BoogieDeclarations]: Found implementation of procedure reg_check_1 [2020-10-13 01:17:30,568 INFO L138 BoogieDeclarations]: Found implementation of procedure activate_suitable_irq_1 [2020-10-13 01:17:30,568 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_irq_1 [2020-10-13 01:17:30,568 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_initialize_platform_driver_3 [2020-10-13 01:17:30,568 INFO L138 BoogieDeclarations]: Found implementation of procedure choose_interrupt_1 [2020-10-13 01:17:30,569 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-10-13 01:17:30,569 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_lock [2020-10-13 01:17:30,570 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock [2020-10-13 01:17:30,571 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock_irqrestore [2020-10-13 01:17:30,571 INFO L138 BoogieDeclarations]: Found implementation of procedure kzalloc [2020-10-13 01:17:30,571 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_del_timer_19 [2020-10-13 01:17:30,571 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_free_irq_20 [2020-10-13 01:17:30,571 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_request_irq_21 [2020-10-13 01:17:30,571 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_platform_driver_unregister_22 [2020-10-13 01:17:30,571 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv___platform_driver_register_23 [2020-10-13 01:17:30,572 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_alloc_flags [2020-10-13 01:17:30,572 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_alloc_flags_and_return_some_page [2020-10-13 01:17:30,572 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_alloc_nonatomic [2020-10-13 01:17:30,573 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_lock [2020-10-13 01:17:30,573 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock [2020-10-13 01:17:30,573 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_trylock [2020-10-13 01:17:30,573 INFO L138 BoogieDeclarations]: Found implementation of procedure __platform_driver_register [2020-10-13 01:17:30,573 INFO L138 BoogieDeclarations]: Found implementation of procedure __raw_spin_lock_init [2020-10-13 01:17:30,573 INFO L138 BoogieDeclarations]: Found implementation of procedure __request_region [2020-10-13 01:17:30,573 INFO L138 BoogieDeclarations]: Found implementation of procedure __snd_printk [2020-10-13 01:17:30,574 INFO L138 BoogieDeclarations]: Found implementation of procedure _raw_spin_lock [2020-10-13 01:17:30,574 INFO L138 BoogieDeclarations]: Found implementation of procedure _raw_spin_unlock [2020-10-13 01:17:30,574 INFO L138 BoogieDeclarations]: Found implementation of procedure _raw_spin_unlock_irqrestore [2020-10-13 01:17:30,574 INFO L138 BoogieDeclarations]: Found implementation of procedure add_timer [2020-10-13 01:17:30,574 INFO L138 BoogieDeclarations]: Found implementation of procedure del_timer [2020-10-13 01:17:30,574 INFO L138 BoogieDeclarations]: Found implementation of procedure free_irq [2020-10-13 01:17:30,574 INFO L138 BoogieDeclarations]: Found implementation of procedure kmem_cache_alloc [2020-10-13 01:17:30,575 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_final_state [2020-10-13 01:17:30,575 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_initialize [2020-10-13 01:17:30,575 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_some_page [2020-10-13 01:17:30,575 INFO L138 BoogieDeclarations]: Found implementation of procedure platform_device_register_full [2020-10-13 01:17:30,575 INFO L138 BoogieDeclarations]: Found implementation of procedure platform_device_unregister [2020-10-13 01:17:30,575 INFO L138 BoogieDeclarations]: Found implementation of procedure platform_driver_unregister [2020-10-13 01:17:30,575 INFO L138 BoogieDeclarations]: Found implementation of procedure printk [2020-10-13 01:17:30,576 INFO L138 BoogieDeclarations]: Found implementation of procedure release_and_free_resource [2020-10-13 01:17:30,576 INFO L138 BoogieDeclarations]: Found implementation of procedure request_threaded_irq [2020-10-13 01:17:30,576 INFO L138 BoogieDeclarations]: Found implementation of procedure snd_card_free [2020-10-13 01:17:30,576 INFO L138 BoogieDeclarations]: Found implementation of procedure snd_card_new [2020-10-13 01:17:30,576 INFO L138 BoogieDeclarations]: Found implementation of procedure snd_card_register [2020-10-13 01:17:30,577 INFO L138 BoogieDeclarations]: Found implementation of procedure snd_device_new [2020-10-13 01:17:30,577 INFO L138 BoogieDeclarations]: Found implementation of procedure snd_rawmidi_new [2020-10-13 01:17:30,577 INFO L138 BoogieDeclarations]: Found implementation of procedure snd_rawmidi_receive [2020-10-13 01:17:30,577 INFO L138 BoogieDeclarations]: Found implementation of procedure snd_rawmidi_set_ops [2020-10-13 01:17:30,577 INFO L138 BoogieDeclarations]: Found implementation of procedure snd_rawmidi_transmit [2020-10-13 01:17:30,577 INFO L138 BoogieDeclarations]: Found implementation of procedure snd_rawmidi_transmit_ack [2020-10-13 01:17:30,578 INFO L138 BoogieDeclarations]: Found implementation of procedure snd_rawmidi_transmit_peek [2020-10-13 01:17:30,578 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree [2020-10-13 01:17:30,578 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2020-10-13 01:17:30,578 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.meminit [2020-10-13 01:17:30,579 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_strcpy [2020-10-13 01:17:30,579 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2020-10-13 01:17:30,579 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2020-10-13 01:17:30,579 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_lock [2020-10-13 01:17:30,579 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock [2020-10-13 01:17:30,580 INFO L130 BoogieDeclarations]: Found specification of procedure printk [2020-10-13 01:17:30,580 INFO L130 BoogieDeclarations]: Found specification of procedure sprintf [2020-10-13 01:17:30,581 INFO L130 BoogieDeclarations]: Found specification of procedure memset [2020-10-13 01:17:30,581 INFO L130 BoogieDeclarations]: Found specification of procedure strcpy [2020-10-13 01:17:30,584 INFO L130 BoogieDeclarations]: Found specification of procedure IS_ERR [2020-10-13 01:17:30,585 INFO L130 BoogieDeclarations]: Found specification of procedure __raw_spin_lock_init [2020-10-13 01:17:30,585 INFO L130 BoogieDeclarations]: Found specification of procedure _raw_spin_lock [2020-10-13 01:17:30,586 INFO L130 BoogieDeclarations]: Found specification of procedure _raw_spin_unlock [2020-10-13 01:17:30,586 INFO L130 BoogieDeclarations]: Found specification of procedure _raw_spin_unlock_irqrestore [2020-10-13 01:17:30,586 INFO L130 BoogieDeclarations]: Found specification of procedure spinlock_check [2020-10-13 01:17:30,586 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_lock_1 [2020-10-13 01:17:30,587 INFO L130 BoogieDeclarations]: Found specification of procedure spin_lock [2020-10-13 01:17:30,587 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_5 [2020-10-13 01:17:30,587 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock [2020-10-13 01:17:30,587 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_irqrestore_8 [2020-10-13 01:17:30,587 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock_irqrestore [2020-10-13 01:17:30,587 INFO L130 BoogieDeclarations]: Found specification of procedure __request_region [2020-10-13 01:17:30,588 INFO L130 BoogieDeclarations]: Found specification of procedure del_timer [2020-10-13 01:17:30,588 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_del_timer_19 [2020-10-13 01:17:30,589 INFO L130 BoogieDeclarations]: Found specification of procedure add_timer [2020-10-13 01:17:30,596 INFO L130 BoogieDeclarations]: Found specification of procedure outb [2020-10-13 01:17:30,596 INFO L130 BoogieDeclarations]: Found specification of procedure inb [2020-10-13 01:17:30,596 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2020-10-13 01:17:30,596 INFO L130 BoogieDeclarations]: Found specification of procedure kmem_cache_alloc [2020-10-13 01:17:30,597 INFO L130 BoogieDeclarations]: Found specification of procedure kzalloc [2020-10-13 01:17:30,597 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_alloc_flags [2020-10-13 01:17:30,597 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2020-10-13 01:17:30,597 INFO L130 BoogieDeclarations]: Found specification of procedure calloc [2020-10-13 01:17:30,597 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2020-10-13 01:17:30,597 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_ulong [2020-10-13 01:17:30,597 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2020-10-13 01:17:30,597 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2020-10-13 01:17:30,598 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2020-10-13 01:17:30,598 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2020-10-13 01:17:30,598 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_zalloc [2020-10-13 01:17:30,598 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.meminit [2020-10-13 01:17:30,599 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undef_int [2020-10-13 01:17:30,599 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undef_ulong [2020-10-13 01:17:30,599 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_error [2020-10-13 01:17:30,599 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2020-10-13 01:17:30,599 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_trap [2020-10-13 01:17:30,599 INFO L130 BoogieDeclarations]: Found specification of procedure choose_timer_2 [2020-10-13 01:17:30,599 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_initialize_snd_rawmidi_ops_5 [2020-10-13 01:17:30,600 INFO L130 BoogieDeclarations]: Found specification of procedure reg_timer_2 [2020-10-13 01:17:30,600 INFO L130 BoogieDeclarations]: Found specification of procedure activate_pending_timer_2 [2020-10-13 01:17:30,600 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_initialize_snd_rawmidi_ops_4 [2020-10-13 01:17:30,600 INFO L130 BoogieDeclarations]: Found specification of procedure disable_suitable_timer_2 [2020-10-13 01:17:30,600 INFO L130 BoogieDeclarations]: Found specification of procedure disable_suitable_irq_1 [2020-10-13 01:17:30,600 INFO L130 BoogieDeclarations]: Found specification of procedure reg_check_1 [2020-10-13 01:17:30,600 INFO L130 BoogieDeclarations]: Found specification of procedure activate_suitable_irq_1 [2020-10-13 01:17:30,601 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_irq_1 [2020-10-13 01:17:30,601 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_initialize_platform_driver_3 [2020-10-13 01:17:30,601 INFO L130 BoogieDeclarations]: Found specification of procedure choose_interrupt_1 [2020-10-13 01:17:30,601 INFO L130 BoogieDeclarations]: Found specification of procedure request_threaded_irq [2020-10-13 01:17:30,601 INFO L130 BoogieDeclarations]: Found specification of procedure request_irq [2020-10-13 01:17:30,601 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_request_irq_21 [2020-10-13 01:17:30,601 INFO L130 BoogieDeclarations]: Found specification of procedure free_irq [2020-10-13 01:17:30,601 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_free_irq_20 [2020-10-13 01:17:30,602 INFO L130 BoogieDeclarations]: Found specification of procedure dev_get_drvdata [2020-10-13 01:17:30,602 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2020-10-13 01:17:30,602 INFO L130 BoogieDeclarations]: Found specification of procedure dev_set_drvdata [2020-10-13 01:17:30,602 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2020-10-13 01:17:30,602 INFO L130 BoogieDeclarations]: Found specification of procedure platform_device_unregister [2020-10-13 01:17:30,602 INFO L130 BoogieDeclarations]: Found specification of procedure platform_device_register_full [2020-10-13 01:17:30,602 INFO L130 BoogieDeclarations]: Found specification of procedure platform_device_register_resndata [2020-10-13 01:17:30,603 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-10-13 01:17:30,603 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-10-13 01:17:30,603 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-10-13 01:17:30,603 INFO L130 BoogieDeclarations]: Found specification of procedure platform_device_register_simple [2020-10-13 01:17:30,603 INFO L130 BoogieDeclarations]: Found specification of procedure __platform_driver_register [2020-10-13 01:17:30,603 INFO L130 BoogieDeclarations]: Found specification of procedure ldv___platform_driver_register_23 [2020-10-13 01:17:30,603 INFO L130 BoogieDeclarations]: Found specification of procedure platform_driver_unregister [2020-10-13 01:17:30,603 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_platform_driver_unregister_22 [2020-10-13 01:17:30,604 INFO L130 BoogieDeclarations]: Found specification of procedure platform_get_drvdata [2020-10-13 01:17:30,604 INFO L130 BoogieDeclarations]: Found specification of procedure platform_set_drvdata [2020-10-13 01:17:30,604 INFO L130 BoogieDeclarations]: Found specification of procedure snd_card_new [2020-10-13 01:17:30,604 INFO L130 BoogieDeclarations]: Found specification of procedure snd_card_free [2020-10-13 01:17:30,604 INFO L130 BoogieDeclarations]: Found specification of procedure snd_card_register [2020-10-13 01:17:30,604 INFO L130 BoogieDeclarations]: Found specification of procedure snd_device_new [2020-10-13 01:17:30,604 INFO L130 BoogieDeclarations]: Found specification of procedure release_and_free_resource [2020-10-13 01:17:30,604 INFO L130 BoogieDeclarations]: Found specification of procedure __snd_printk [2020-10-13 01:17:30,605 INFO L130 BoogieDeclarations]: Found specification of procedure snd_rawmidi_new [2020-10-13 01:17:30,605 INFO L130 BoogieDeclarations]: Found specification of procedure snd_rawmidi_set_ops [2020-10-13 01:17:30,605 INFO L130 BoogieDeclarations]: Found specification of procedure snd_rawmidi_receive [2020-10-13 01:17:30,605 INFO L130 BoogieDeclarations]: Found specification of procedure snd_rawmidi_transmit_peek [2020-10-13 01:17:30,605 INFO L130 BoogieDeclarations]: Found specification of procedure snd_rawmidi_transmit_ack [2020-10-13 01:17:30,605 INFO L130 BoogieDeclarations]: Found specification of procedure snd_rawmidi_transmit [2020-10-13 01:17:30,605 INFO L130 BoogieDeclarations]: Found specification of procedure snd_uart16550_add_timer [2020-10-13 01:17:30,605 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2020-10-13 01:17:30,606 INFO L130 BoogieDeclarations]: Found specification of procedure snd_uart16550_del_timer [2020-10-13 01:17:30,606 INFO L130 BoogieDeclarations]: Found specification of procedure snd_uart16550_buffer_output [2020-10-13 01:17:30,606 INFO L130 BoogieDeclarations]: Found specification of procedure snd_uart16550_io_loop [2020-10-13 01:17:30,606 INFO L130 BoogieDeclarations]: Found specification of procedure snd_uart16550_interrupt [2020-10-13 01:17:30,606 INFO L130 BoogieDeclarations]: Found specification of procedure snd_uart16550_buffer_timer [2020-10-13 01:17:30,606 INFO L130 BoogieDeclarations]: Found specification of procedure snd_uart16550_detect [2020-10-13 01:17:30,606 INFO L130 BoogieDeclarations]: Found specification of procedure snd_uart16550_do_open [2020-10-13 01:17:30,606 INFO L130 BoogieDeclarations]: Found specification of procedure snd_uart16550_do_close [2020-10-13 01:17:30,607 INFO L130 BoogieDeclarations]: Found specification of procedure snd_uart16550_input_open [2020-10-13 01:17:30,607 INFO L130 BoogieDeclarations]: Found specification of procedure snd_uart16550_input_close [2020-10-13 01:17:30,607 INFO L130 BoogieDeclarations]: Found specification of procedure snd_uart16550_input_trigger [2020-10-13 01:17:30,607 INFO L130 BoogieDeclarations]: Found specification of procedure snd_uart16550_output_open [2020-10-13 01:17:30,607 INFO L130 BoogieDeclarations]: Found specification of procedure snd_uart16550_output_close [2020-10-13 01:17:30,607 INFO L130 BoogieDeclarations]: Found specification of procedure snd_uart16550_buffer_can_write [2020-10-13 01:17:30,607 INFO L130 BoogieDeclarations]: Found specification of procedure snd_uart16550_write_buffer [2020-10-13 01:17:30,607 INFO L130 BoogieDeclarations]: Found specification of procedure snd_uart16550_output_byte [2020-10-13 01:17:30,608 INFO L130 BoogieDeclarations]: Found specification of procedure snd_uart16550_output_write [2020-10-13 01:17:30,608 INFO L130 BoogieDeclarations]: Found specification of procedure snd_uart16550_output_trigger [2020-10-13 01:17:30,608 INFO L130 BoogieDeclarations]: Found specification of procedure snd_uart16550_free [2020-10-13 01:17:30,608 INFO L130 BoogieDeclarations]: Found specification of procedure snd_uart16550_dev_free [2020-10-13 01:17:30,608 INFO L130 BoogieDeclarations]: Found specification of procedure snd_uart16550_create [2020-10-13 01:17:30,608 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2020-10-13 01:17:30,608 INFO L130 BoogieDeclarations]: Found specification of procedure snd_uart16550_substreams [2020-10-13 01:17:30,608 INFO L130 BoogieDeclarations]: Found specification of procedure snd_uart16550_rmidi [2020-10-13 01:17:30,608 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_strcpy [2020-10-13 01:17:30,609 INFO L130 BoogieDeclarations]: Found specification of procedure snd_serial_probe [2020-10-13 01:17:30,609 INFO L130 BoogieDeclarations]: Found specification of procedure snd_serial_remove [2020-10-13 01:17:30,609 INFO L130 BoogieDeclarations]: Found specification of procedure snd_serial_unregister_all [2020-10-13 01:17:30,609 INFO L130 BoogieDeclarations]: Found specification of procedure alsa_card_serial_init [2020-10-13 01:17:30,609 INFO L130 BoogieDeclarations]: Found specification of procedure alsa_card_serial_exit [2020-10-13 01:17:30,609 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_initialize [2020-10-13 01:17:30,609 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_final_state [2020-10-13 01:17:30,609 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~TO~VOID [2020-10-13 01:17:30,610 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-10-13 01:17:30,610 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_some_page [2020-10-13 01:17:30,610 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_alloc_flags_and_return_some_page [2020-10-13 01:17:30,610 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_alloc_nonatomic [2020-10-13 01:17:30,610 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_trylock [2020-10-13 01:17:30,610 INFO L130 BoogieDeclarations]: Found specification of procedure free [2020-10-13 01:17:30,610 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-10-13 01:17:30,610 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-10-13 01:17:30,611 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2020-10-13 01:17:30,615 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-10-13 01:17:30,615 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2020-10-13 01:17:30,615 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2020-10-13 01:17:31,619 INFO L732 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stopFINAL: assume true; [2020-10-13 01:17:34,225 INFO L290 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-10-13 01:17:34,225 INFO L295 CfgBuilder]: Removed 1 assume(true) statements. [2020-10-13 01:17:34,234 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.10 01:17:34 BoogieIcfgContainer [2020-10-13 01:17:34,234 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-10-13 01:17:34,235 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-10-13 01:17:34,235 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-10-13 01:17:34,238 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-10-13 01:17:34,239 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 13.10 01:17:28" (1/3) ... [2020-10-13 01:17:34,239 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2aa218ba and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.10 01:17:34, skipping insertion in model container [2020-10-13 01:17:34,240 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 01:17:30" (2/3) ... [2020-10-13 01:17:34,240 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2aa218ba and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.10 01:17:34, skipping insertion in model container [2020-10-13 01:17:34,240 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.10 01:17:34" (3/3) ... [2020-10-13 01:17:34,242 INFO L109 eAbstractionObserver]: Analyzing ICFG 43_2a_consumption_linux-3.16-rc1.tar.xz-43_2a-sound--drivers--snd-serial-u16550.ko-entry_point.cil.out.i [2020-10-13 01:17:34,252 INFO L157 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:Craig_NestedInterpolation Determinization: PREDICATE_ABSTRACTION [2020-10-13 01:17:34,263 INFO L169 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-10-13 01:17:34,279 INFO L251 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-10-13 01:17:34,306 INFO L375 AbstractCegarLoop]: Interprodecural is true [2020-10-13 01:17:34,306 INFO L376 AbstractCegarLoop]: Hoare is true [2020-10-13 01:17:34,307 INFO L377 AbstractCegarLoop]: Compute interpolants for Craig_NestedInterpolation [2020-10-13 01:17:34,307 INFO L378 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-10-13 01:17:34,307 INFO L379 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-10-13 01:17:34,307 INFO L380 AbstractCegarLoop]: Difference is false [2020-10-13 01:17:34,307 INFO L381 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-10-13 01:17:34,307 INFO L385 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-10-13 01:17:34,347 INFO L276 IsEmpty]: Start isEmpty. Operand 928 states. [2020-10-13 01:17:34,365 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 54 [2020-10-13 01:17:34,366 INFO L414 BasicCegarLoop]: Found error trace [2020-10-13 01:17:34,367 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 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] [2020-10-13 01:17:34,367 INFO L427 AbstractCegarLoop]: === Iteration 1 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-13 01:17:34,373 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-13 01:17:34,373 INFO L82 PathProgramCache]: Analyzing trace with hash -428253486, now seen corresponding path program 1 times [2020-10-13 01:17:34,382 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-13 01:17:34,383 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1347040366] [2020-10-13 01:17:34,383 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-13 01:17:34,918 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 01:17:35,064 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 01:17:35,393 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 01:17:35,598 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 01:17:35,791 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 01:17:35,953 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 01:17:36,143 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 01:17:37,730 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 01:17:39,992 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 01:17:39,993 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 77 [2020-10-13 01:17:39,993 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 7 [2020-10-13 01:17:39,993 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5069 [2020-10-13 01:17:39,996 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-13 01:17:39,996 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-10-13 01:17:39,996 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 30 [2020-10-13 01:17:39,997 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-13 01:17:39,997 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 3 [2020-10-13 01:17:41,263 WARN L193 SmtUtils]: Spent 1.09 s on a formula simplification that was a NOOP. DAG size: 427 [2020-10-13 01:17:41,265 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-13 01:17:41,280 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 01:17:41,289 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 01:17:41,412 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 01:17:41,412 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 01:17:41,412 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 01:17:41,412 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 131 [2020-10-13 01:17:41,413 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-13 01:17:41,413 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 01:17:41,413 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 01:17:41,413 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 01:17:41,413 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 01:17:41,482 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-13 01:17:41,483 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 01:17:41,487 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 01:17:41,490 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 01:17:41,491 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-13 01:17:41,491 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 01:17:41,491 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-13 01:17:41,492 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-13 01:17:41,492 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 01:17:41,492 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 01:17:41,493 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 01:17:41,493 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-13 01:17:41,499 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2020-10-13 01:17:41,501 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 01:17:41,506 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 01:17:41,511 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 01:17:41,512 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 01:17:41,512 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 01:17:41,513 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 9 [2020-10-13 01:17:41,513 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-13 01:17:41,513 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 01:17:41,514 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-13 01:17:41,514 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 01:17:41,514 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-13 01:17:41,544 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2020-10-13 01:17:41,546 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 01:17:41,549 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 01:17:41,551 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 01:17:41,555 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 01:17:41,555 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 01:17:41,556 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-13 01:17:41,556 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 9 [2020-10-13 01:17:41,556 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-13 01:17:41,556 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 01:17:41,557 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-10-13 01:17:41,557 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 01:17:41,557 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 01:17:41,562 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2020-10-13 01:17:41,564 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 01:17:41,568 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 01:17:41,570 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 01:17:41,573 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 01:17:41,573 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 01:17:41,573 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-13 01:17:41,574 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 8 [2020-10-13 01:17:41,574 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-13 01:17:41,574 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 01:17:41,574 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 3 [2020-10-13 01:17:41,574 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 01:17:41,575 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 01:17:41,606 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2020-10-13 01:17:41,607 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1347040366] [2020-10-13 01:17:41,609 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-13 01:17:41,609 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2020-10-13 01:17:41,610 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1354242516] [2020-10-13 01:17:41,615 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2020-10-13 01:17:41,615 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-13 01:17:41,629 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2020-10-13 01:17:41,630 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2020-10-13 01:17:41,632 INFO L87 Difference]: Start difference. First operand 928 states. Second operand 6 states. [2020-10-13 01:17:42,638 WARN L193 SmtUtils]: Spent 972.00 ms on a formula simplification that was a NOOP. DAG size: 430 [2020-10-13 01:17:59,808 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-13 01:17:59,809 INFO L93 Difference]: Finished difference Result 2069 states and 2814 transitions. [2020-10-13 01:17:59,810 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2020-10-13 01:17:59,812 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 53 [2020-10-13 01:17:59,813 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-13 01:17:59,844 INFO L225 Difference]: With dead ends: 2069 [2020-10-13 01:17:59,844 INFO L226 Difference]: Without dead ends: 1140 [2020-10-13 01:17:59,857 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 18 GetRequests, 12 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 2.1s TimeCoverageRelationStatistics Valid=17, Invalid=39, Unknown=0, NotChecked=0, Total=56 [2020-10-13 01:17:59,879 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1140 states. [2020-10-13 01:18:00,141 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1140 to 889. [2020-10-13 01:18:00,143 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 889 states. [2020-10-13 01:18:00,150 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 889 states to 889 states and 1161 transitions. [2020-10-13 01:18:00,152 INFO L78 Accepts]: Start accepts. Automaton has 889 states and 1161 transitions. Word has length 53 [2020-10-13 01:18:00,152 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-13 01:18:00,153 INFO L479 AbstractCegarLoop]: Abstraction has 889 states and 1161 transitions. [2020-10-13 01:18:00,153 INFO L480 AbstractCegarLoop]: Interpolant automaton has 6 states. [2020-10-13 01:18:00,153 INFO L276 IsEmpty]: Start isEmpty. Operand 889 states and 1161 transitions. [2020-10-13 01:18:00,158 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 56 [2020-10-13 01:18:00,159 INFO L414 BasicCegarLoop]: Found error trace [2020-10-13 01:18:00,159 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 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] [2020-10-13 01:18:00,159 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-10-13 01:18:00,160 INFO L427 AbstractCegarLoop]: === Iteration 2 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-13 01:18:00,160 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-13 01:18:00,160 INFO L82 PathProgramCache]: Analyzing trace with hash -1742083860, now seen corresponding path program 1 times [2020-10-13 01:18:00,160 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-13 01:18:00,160 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [2075797790] [2020-10-13 01:18:00,161 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-13 01:18:00,242 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 01:18:00,312 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 01:18:00,420 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 01:18:00,560 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 01:18:00,800 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 01:18:05,254 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 01:18:05,254 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 79 [2020-10-13 01:18:05,254 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 4 [2020-10-13 01:18:05,255 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5010 [2020-10-13 01:18:05,255 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-13 01:18:05,255 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 12 [2020-10-13 01:18:05,255 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-13 01:18:05,255 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 45 [2020-10-13 01:18:05,256 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 01:18:06,410 WARN L193 SmtUtils]: Spent 952.00 ms on a formula simplification that was a NOOP. DAG size: 427 [2020-10-13 01:18:06,413 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-13 01:18:06,457 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 01:18:06,500 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 01:18:06,806 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 01:18:06,806 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 01:18:06,807 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 01:18:06,807 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 348 [2020-10-13 01:18:06,807 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-13 01:18:06,807 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 01:18:06,807 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 01:18:06,808 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-10-13 01:18:06,808 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 01:18:06,877 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-13 01:18:06,878 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 01:18:06,882 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 01:18:06,886 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 01:18:06,886 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-13 01:18:06,887 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 01:18:06,887 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-10-13 01:18:06,887 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-13 01:18:06,887 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 01:18:06,887 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 01:18:06,888 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-10-13 01:18:06,888 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 01:18:06,892 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2020-10-13 01:18:06,895 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 01:18:06,900 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 01:18:06,910 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 01:18:06,911 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 01:18:06,911 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 01:18:06,911 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 14 [2020-10-13 01:18:06,912 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-13 01:18:06,912 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 01:18:06,912 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 01:18:06,913 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-13 01:18:06,913 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-13 01:18:06,944 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2020-10-13 01:18:06,949 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 01:18:06,956 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 01:18:06,995 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 01:18:06,995 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-13 01:18:06,995 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 01:18:06,995 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 45 [2020-10-13 01:18:06,996 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-13 01:18:06,996 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 7 [2020-10-13 01:18:06,996 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-13 01:18:06,997 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 10 [2020-10-13 01:18:06,997 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-13 01:18:07,073 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2020-10-13 01:18:07,075 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 01:18:07,080 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 01:18:07,087 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 01:18:07,088 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-13 01:18:07,088 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 01:18:07,088 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 11 [2020-10-13 01:18:07,088 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-13 01:18:07,088 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 01:18:07,089 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 7 [2020-10-13 01:18:07,089 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 01:18:07,089 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 01:18:07,116 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2020-10-13 01:18:07,116 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [2075797790] [2020-10-13 01:18:07,117 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-13 01:18:07,117 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9] total 9 [2020-10-13 01:18:07,117 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1330910026] [2020-10-13 01:18:07,119 INFO L459 AbstractCegarLoop]: Interpolant automaton has 9 states [2020-10-13 01:18:07,119 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-13 01:18:07,119 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2020-10-13 01:18:07,120 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=56, Unknown=0, NotChecked=0, Total=72 [2020-10-13 01:18:07,120 INFO L87 Difference]: Start difference. First operand 889 states and 1161 transitions. Second operand 9 states. [2020-10-13 01:18:08,005 WARN L193 SmtUtils]: Spent 845.00 ms on a formula simplification that was a NOOP. DAG size: 430 [2020-10-13 01:18:09,920 WARN L193 SmtUtils]: Spent 970.00 ms on a formula simplification that was a NOOP. DAG size: 439 [2020-10-13 01:18:13,308 WARN L193 SmtUtils]: Spent 922.00 ms on a formula simplification that was a NOOP. DAG size: 442 [2020-10-13 01:18:14,638 WARN L193 SmtUtils]: Spent 888.00 ms on a formula simplification that was a NOOP. DAG size: 434 [2020-10-13 01:18:38,458 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-13 01:18:38,459 INFO L93 Difference]: Finished difference Result 2356 states and 3165 transitions. [2020-10-13 01:18:38,465 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2020-10-13 01:18:38,466 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 55 [2020-10-13 01:18:38,466 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-13 01:18:38,481 INFO L225 Difference]: With dead ends: 2356 [2020-10-13 01:18:38,481 INFO L226 Difference]: Without dead ends: 1477 [2020-10-13 01:18:38,487 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 25 GetRequests, 9 SyntacticMatches, 3 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 17 ImplicationChecksByTransitivity, 4.9s TimeCoverageRelationStatistics Valid=54, Invalid=156, Unknown=0, NotChecked=0, Total=210 [2020-10-13 01:18:38,490 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1477 states. [2020-10-13 01:18:38,768 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1477 to 1213. [2020-10-13 01:18:38,768 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1213 states. [2020-10-13 01:18:38,775 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1213 states to 1213 states and 1609 transitions. [2020-10-13 01:18:38,776 INFO L78 Accepts]: Start accepts. Automaton has 1213 states and 1609 transitions. Word has length 55 [2020-10-13 01:18:38,777 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-13 01:18:38,777 INFO L479 AbstractCegarLoop]: Abstraction has 1213 states and 1609 transitions. [2020-10-13 01:18:38,777 INFO L480 AbstractCegarLoop]: Interpolant automaton has 9 states. [2020-10-13 01:18:38,777 INFO L276 IsEmpty]: Start isEmpty. Operand 1213 states and 1609 transitions. [2020-10-13 01:18:38,781 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 58 [2020-10-13 01:18:38,782 INFO L414 BasicCegarLoop]: Found error trace [2020-10-13 01:18:38,782 INFO L422 BasicCegarLoop]: trace histogram [3, 2, 2, 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] [2020-10-13 01:18:38,782 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-10-13 01:18:38,782 INFO L427 AbstractCegarLoop]: === Iteration 3 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-13 01:18:38,783 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-13 01:18:38,783 INFO L82 PathProgramCache]: Analyzing trace with hash -495350041, now seen corresponding path program 1 times [2020-10-13 01:18:38,783 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-13 01:18:38,783 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1214861947] [2020-10-13 01:18:38,784 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-13 01:18:38,863 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 01:18:38,918 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 01:18:39,025 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 01:18:39,161 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 01:18:39,427 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 01:18:43,937 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 01:18:43,938 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 81 [2020-10-13 01:18:43,938 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 4 [2020-10-13 01:18:43,938 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5072 [2020-10-13 01:18:43,938 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-13 01:18:43,938 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 14 [2020-10-13 01:18:43,939 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-13 01:18:43,939 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 47 [2020-10-13 01:18:43,939 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 01:18:45,051 WARN L193 SmtUtils]: Spent 916.00 ms on a formula simplification that was a NOOP. DAG size: 427 [2020-10-13 01:18:45,052 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-13 01:18:45,116 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 01:18:45,185 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 01:18:45,638 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 01:18:45,638 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 01:18:45,638 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 01:18:45,639 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 520 [2020-10-13 01:18:45,639 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-13 01:18:45,639 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 01:18:45,639 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 01:18:45,639 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-10-13 01:18:45,640 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 01:18:45,768 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-13 01:18:45,769 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 01:18:45,773 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 01:18:45,776 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 01:18:45,777 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-13 01:18:45,777 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 01:18:45,777 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-13 01:18:45,777 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-13 01:18:45,777 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 01:18:45,778 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 01:18:45,778 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-10-13 01:18:45,778 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 01:18:45,782 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2020-10-13 01:18:45,785 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 01:18:45,790 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 01:18:45,796 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 01:18:45,796 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 01:18:45,796 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 01:18:45,797 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 10 [2020-10-13 01:18:45,797 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-13 01:18:45,797 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 01:18:45,797 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 01:18:45,797 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-13 01:18:45,798 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 01:18:45,829 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2020-10-13 01:18:45,834 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 01:18:45,845 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 01:18:45,900 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 01:18:45,900 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-10-13 01:18:45,900 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 01:18:45,901 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 65 [2020-10-13 01:18:45,901 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-13 01:18:45,901 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 9 [2020-10-13 01:18:45,901 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-13 01:18:45,901 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 12 [2020-10-13 01:18:45,902 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 01:18:45,912 ERROR L253 erpolLogProxyWrapper]: Symbol error in Interpolant 1: A-local: [(|#memory_int_-1| (Array Int (Array Int Int)))], B-local: []. [2020-10-13 01:18:45,915 ERROR L253 erpolLogProxyWrapper]: Symbol error in Interpolant 2: A-local: [(|#memory_int_-1| (Array Int (Array Int Int)))], B-local: []. [2020-10-13 01:18:45,922 ERROR L253 erpolLogProxyWrapper]: Interpolant 3 not inductive [2020-10-13 01:18:45,932 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-10-13 01:18:45,933 FATAL L? ?]: An unrecoverable error occured during an interaction with an SMT solver: de.uni_freiburg.informatik.ultimate.logic.SMTLIBException: generated interpolants did not pass sanity check at de.uni_freiburg.informatik.ultimate.smtinterpol.interpolate.Interpolator.getInterpolants(Interpolator.java:219) at de.uni_freiburg.informatik.ultimate.smtinterpol.smtlib2.SMTInterpol.getInterpolants(SMTInterpol.java:849) at de.uni_freiburg.informatik.ultimate.smtinterpol.muses.MusEnumerationScript.getInterpolants(MusEnumerationScript.java:155) at de.uni_freiburg.informatik.ultimate.smtinterpol.muses.MusEnumerationScript.getInterpolants(MusEnumerationScript.java:256) at de.uni_freiburg.informatik.ultimate.smtinterpol.muses.MusEnumerationScript.getInterpolants(MusEnumerationScript.java:150) at de.uni_freiburg.informatik.ultimate.logic.WrapperScript.getInterpolants(WrapperScript.java:337) at de.uni_freiburg.informatik.ultimate.logic.WrapperScript.getInterpolants(WrapperScript.java:337) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.ManagedScript.getInterpolants(ManagedScript.java:191) at de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.singletracecheck.NestedInterpolantsBuilder.computeCraigInterpolants(NestedInterpolantsBuilder.java:285) at de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.singletracecheck.NestedInterpolantsBuilder.(NestedInterpolantsBuilder.java:166) at de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.singletracecheck.InterpolatingTraceCheckCraig.computeInterpolantsRecursive(InterpolatingTraceCheckCraig.java:326) at de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.singletracecheck.InterpolatingTraceCheckCraig.computeInterpolants(InterpolatingTraceCheckCraig.java:228) at de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.singletracecheck.InterpolatingTraceCheckCraig.(InterpolatingTraceCheckCraig.java:97) at de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.singletracecheck.InterpolatingTraceCheckCraig.computeInterpolantsRecursive(InterpolatingTraceCheckCraig.java:378) at de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.singletracecheck.InterpolatingTraceCheckCraig.computeInterpolants(InterpolatingTraceCheckCraig.java:228) at de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.singletracecheck.InterpolatingTraceCheckCraig.(InterpolatingTraceCheckCraig.java:97) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.IpTcStrategyModulePreferences.construct(IpTcStrategyModulePreferences.java:106) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.IpTcStrategyModuleBase.getOrConstruct(IpTcStrategyModuleBase.java:101) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.IpTcStrategyModuleBase.isCorrect(IpTcStrategyModuleBase.java:57) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.AutomatonFreeRefinementEngine.checkFeasibility(AutomatonFreeRefinementEngine.java:242) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.AutomatonFreeRefinementEngine.executeStrategy(AutomatonFreeRefinementEngine.java:166) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.AutomatonFreeRefinementEngine.(AutomatonFreeRefinementEngine.java:85) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.TraceAbstractionRefinementEngine.(TraceAbstractionRefinementEngine.java:75) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.BasicCegarLoop.isCounterexampleFeasible(BasicCegarLoop.java:508) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.AbstractCegarLoop.iterateInternal(AbstractCegarLoop.java:436) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.AbstractCegarLoop.iterate(AbstractCegarLoop.java:370) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.CegarLoopResult.iterate(CegarLoopResult.java:142) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.iterateNew(TraceAbstractionStarter.java:334) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.runCegarLoops(TraceAbstractionStarter.java:175) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.(TraceAbstractionStarter.java:127) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver.finish(TraceAbstractionObserver.java:120) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runObserver(PluginConnector.java:168) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runTool(PluginConnector.java:151) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.run(PluginConnector.java:128) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.executePluginConnector(ToolchainWalker.java:232) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.processPlugin(ToolchainWalker.java:226) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walkUnprotected(ToolchainWalker.java:142) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walk(ToolchainWalker.java:104) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainManager$Toolchain.processToolchain(ToolchainManager.java:317) at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.DefaultToolchainJob.run(DefaultToolchainJob.java:145) at org.eclipse.core.internal.jobs.Worker.run(Worker.java:55) [2020-10-13 01:18:45,943 INFO L168 Benchmark]: Toolchain (without parser) took 77487.06 ms. Allocated memory was 141.0 MB in the beginning and 1.2 GB in the end (delta: 1.0 GB). Free memory was 98.8 MB in the beginning and 809.7 MB in the end (delta: -710.9 MB). Peak memory consumption was 325.1 MB. Max. memory is 7.1 GB. [2020-10-13 01:18:45,944 INFO L168 Benchmark]: CDTParser took 0.28 ms. Allocated memory is still 141.0 MB. Free memory was 122.6 MB in the beginning and 122.4 MB in the end (delta: 209.8 kB). There was no memory consumed. Max. memory is 7.1 GB. [2020-10-13 01:18:45,946 INFO L168 Benchmark]: CACSL2BoogieTranslator took 1724.19 ms. Allocated memory was 141.0 MB in the beginning and 206.6 MB in the end (delta: 65.5 MB). Free memory was 98.3 MB in the beginning and 99.6 MB in the end (delta: -1.2 MB). Peak memory consumption was 69.5 MB. Max. memory is 7.1 GB. [2020-10-13 01:18:45,947 INFO L168 Benchmark]: Boogie Preprocessor took 283.47 ms. Allocated memory was 206.6 MB in the beginning and 240.1 MB in the end (delta: 33.6 MB). Free memory was 99.6 MB in the beginning and 189.4 MB in the end (delta: -89.8 MB). Peak memory consumption was 21.8 MB. Max. memory is 7.1 GB. [2020-10-13 01:18:45,948 INFO L168 Benchmark]: RCFGBuilder took 3770.31 ms. Allocated memory was 240.1 MB in the beginning and 309.9 MB in the end (delta: 69.7 MB). Free memory was 189.4 MB in the beginning and 180.1 MB in the end (delta: 9.3 MB). Peak memory consumption was 123.1 MB. Max. memory is 7.1 GB. [2020-10-13 01:18:45,951 INFO L168 Benchmark]: TraceAbstraction took 71701.51 ms. Allocated memory was 309.9 MB in the beginning and 1.2 GB in the end (delta: 867.2 MB). Free memory was 177.0 MB in the beginning and 809.7 MB in the end (delta: -632.7 MB). Peak memory consumption was 234.4 MB. Max. memory is 7.1 GB. [2020-10-13 01:18:45,963 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.28 ms. Allocated memory is still 141.0 MB. Free memory was 122.6 MB in the beginning and 122.4 MB in the end (delta: 209.8 kB). There was no memory consumed. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 1724.19 ms. Allocated memory was 141.0 MB in the beginning and 206.6 MB in the end (delta: 65.5 MB). Free memory was 98.3 MB in the beginning and 99.6 MB in the end (delta: -1.2 MB). Peak memory consumption was 69.5 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 283.47 ms. Allocated memory was 206.6 MB in the beginning and 240.1 MB in the end (delta: 33.6 MB). Free memory was 99.6 MB in the beginning and 189.4 MB in the end (delta: -89.8 MB). Peak memory consumption was 21.8 MB. Max. memory is 7.1 GB. * RCFGBuilder took 3770.31 ms. Allocated memory was 240.1 MB in the beginning and 309.9 MB in the end (delta: 69.7 MB). Free memory was 189.4 MB in the beginning and 180.1 MB in the end (delta: 9.3 MB). Peak memory consumption was 123.1 MB. Max. memory is 7.1 GB. * TraceAbstraction took 71701.51 ms. Allocated memory was 309.9 MB in the beginning and 1.2 GB in the end (delta: 867.2 MB). Free memory was 177.0 MB in the beginning and 809.7 MB in the end (delta: -632.7 MB). Peak memory consumption was 234.4 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - ExceptionOrErrorResult: SMTLIBException: generated interpolants did not pass sanity check de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: SMTLIBException: generated interpolants did not pass sanity check: de.uni_freiburg.informatik.ultimate.smtinterpol.interpolate.Interpolator.getInterpolants(Interpolator.java:219) RESULT: Ultimate could not prove your program: Toolchain returned no result. Received shutdown request...