/usr/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata ./data -tc ../../../trunk/examples/toolchains/AutomizerC.xml --traceabstraction.trace.refinement.strategy FIXED_PREFERENCES --traceabstraction.compute.interpolants.along.a.counterexample Craig_NestedInterpolation --traceabstraction.smt.solver Internal_SMTInterpol --traceabstraction.compute.trace.for.counterexample.result false --rcfgbuilder.size.of.a.code.block SequenceOfStatements --traceabstraction.use.minimal.unsat.core.enumeration true --traceabstraction.additional.smt.options produce-proofs=true --traceabstraction.additional.smt.options produce-unsat-cores=true --traceabstraction.additional.smt.options enumeration-timeout=5000 --traceabstraction.additional.smt.options interpolation-heuristic=SMALLESTAMONGWIDE --traceabstraction.additional.smt.options tolerance=0.3 --traceabstraction.additional.smt.options log-additional-information=true --traceabstraction.additional.smt.options unknown-allowed=true -s ../../../trunk/examples/settings/default/automizer/svcomp-Reach-64bit-Automizer_Default.epf language data_model -i ../../../trunk/examples/svcomp/ldv-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 0.2.0-0f64333 [2020-10-29 18:49:09,533 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-10-29 18:49:09,537 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-10-29 18:49:09,595 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-10-29 18:49:09,596 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-10-29 18:49:09,604 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-10-29 18:49:09,606 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-10-29 18:49:09,611 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-10-29 18:49:09,614 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-10-29 18:49:09,620 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-10-29 18:49:09,621 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-10-29 18:49:09,623 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-10-29 18:49:09,623 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-10-29 18:49:09,626 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-10-29 18:49:09,628 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-10-29 18:49:09,630 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-10-29 18:49:09,631 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-10-29 18:49:09,635 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-10-29 18:49:09,646 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-10-29 18:49:09,654 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-10-29 18:49:09,656 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-10-29 18:49:09,657 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-10-29 18:49:09,658 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-10-29 18:49:09,659 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-10-29 18:49:09,662 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-10-29 18:49:09,662 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-10-29 18:49:09,663 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-10-29 18:49:09,664 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-10-29 18:49:09,664 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-10-29 18:49:09,665 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-10-29 18:49:09,666 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-10-29 18:49:09,666 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-10-29 18:49:09,667 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-10-29 18:49:09,668 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-10-29 18:49:09,669 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-10-29 18:49:09,669 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-10-29 18:49:09,670 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-10-29 18:49:09,670 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-10-29 18:49:09,671 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-10-29 18:49:09,672 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-10-29 18:49:09,672 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-10-29 18:49:09,673 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/default/automizer/svcomp-Reach-64bit-Automizer_Default.epf [2020-10-29 18:49:09,702 INFO L113 SettingsManager]: Loading preferences was successful [2020-10-29 18:49:09,702 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-10-29 18:49:09,704 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-10-29 18:49:09,704 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-10-29 18:49:09,704 INFO L138 SettingsManager]: * Use SBE=true [2020-10-29 18:49:09,704 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-10-29 18:49:09,705 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-10-29 18:49:09,705 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-10-29 18:49:09,705 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-10-29 18:49:09,705 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-10-29 18:49:09,705 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-10-29 18:49:09,706 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-10-29 18:49:09,706 INFO L138 SettingsManager]: * Use constant arrays=true [2020-10-29 18:49:09,706 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-10-29 18:49:09,706 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-10-29 18:49:09,706 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-10-29 18:49:09,707 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-10-29 18:49:09,707 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-10-29 18:49:09,707 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-10-29 18:49:09,707 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-10-29 18:49:09,707 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-10-29 18:49:09,708 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-10-29 18:49:09,708 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-10-29 18:49:09,708 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-10-29 18:49:09,708 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-10-29 18:49:09,708 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-10-29 18:49:09,708 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2020-10-29 18:49:09,709 INFO L138 SettingsManager]: * To the following directory=dump/ WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Trace refinement strategy -> FIXED_PREFERENCES Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute Interpolants along a Counterexample -> Craig_NestedInterpolation Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: SMT solver -> Internal_SMTInterpol Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute trace for counterexample result -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder: Size of a code block -> SequenceOfStatements Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Use minimal unsat core enumeration -> true Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=5000;interpolation-heuristic=SMALLESTAMONGWIDE;tolerance=0.3;log-additional-information=true;unknown-allowed=true; [2020-10-29 18:49:10,067 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-10-29 18:49:10,111 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-10-29 18:49:10,114 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-10-29 18:49:10,115 INFO L271 PluginConnector]: Initializing CDTParser... [2020-10-29 18:49:10,116 INFO L275 PluginConnector]: CDTParser initialized [2020-10-29 18:49:10,117 INFO L432 ainManager$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 [2020-10-29 18:49:10,190 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/f742bcce4/ad790ac0e6ed45ef8b198f85771346ce/FLAG2a07b5c61 [2020-10-29 18:49:11,031 INFO L306 CDTParser]: Found 1 translation units. [2020-10-29 18:49:11,032 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 [2020-10-29 18:49:11,090 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/f742bcce4/ad790ac0e6ed45ef8b198f85771346ce/FLAG2a07b5c61 [2020-10-29 18:49:11,141 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/f742bcce4/ad790ac0e6ed45ef8b198f85771346ce [2020-10-29 18:49:11,146 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-10-29 18:49:11,154 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-10-29 18:49:11,157 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-10-29 18:49:11,158 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-10-29 18:49:11,162 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-10-29 18:49:11,163 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 29.10 06:49:11" (1/1) ... [2020-10-29 18:49:11,168 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7100a517 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 06:49:11, skipping insertion in model container [2020-10-29 18:49:11,168 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 29.10 06:49:11" (1/1) ... [2020-10-29 18:49:11,177 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-10-29 18:49:11,288 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-10-29 18:49:11,775 WARN L1207 CHandler]: Detected problem Invalid redeclaration of the name show at C: (*show)(struct kobject___0 * , struct attribute___0 * , char * ) [2482] [2020-10-29 18:49:11,776 WARN L1207 CHandler]: Detected problem Invalid redeclaration of the name store at C: (*store)(struct kobject___0 * , struct attribute___0 * , char const * , size_t ) [2483-2484] [2020-10-29 18:49:12,277 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-29 18:49:12,342 INFO L203 MainTranslator]: Completed pre-run [2020-10-29 18:49:12,458 WARN L1207 CHandler]: Detected problem Invalid redeclaration of the name show at C: (*show)(struct kobject___0 * , struct attribute___0 * , char * ) [2482] [2020-10-29 18:49:12,458 WARN L1207 CHandler]: Detected problem Invalid redeclaration of the name store at C: (*store)(struct kobject___0 * , struct attribute___0 * , char const * , size_t ) [2483-2484] [2020-10-29 18:49:12,628 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-29 18:49:12,825 INFO L208 MainTranslator]: Completed translation [2020-10-29 18:49:12,826 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 06:49:12 WrapperNode [2020-10-29 18:49:12,827 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-10-29 18:49:12,831 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-10-29 18:49:12,831 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-10-29 18:49:12,831 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-10-29 18:49:12,845 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 06:49:12" (1/1) ... [2020-10-29 18:49:12,846 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 06:49:12" (1/1) ... [2020-10-29 18:49:12,936 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 06:49:12" (1/1) ... [2020-10-29 18:49:12,936 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 06:49:12" (1/1) ... [2020-10-29 18:49:13,105 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 06:49:12" (1/1) ... [2020-10-29 18:49:13,128 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 06:49:12" (1/1) ... [2020-10-29 18:49:13,153 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 06:49:12" (1/1) ... [2020-10-29 18:49:13,215 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-10-29 18:49:13,216 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-10-29 18:49:13,221 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-10-29 18:49:13,221 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-10-29 18:49:13,222 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 06:49:12" (1/1) ... No working directory specified, using /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-10-29 18:49:13,295 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-10-29 18:49:13,295 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-10-29 18:49:13,296 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~TO~VOID [2020-10-29 18:49:13,296 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error [2020-10-29 18:49:13,296 INFO L138 BoogieDeclarations]: Found implementation of procedure IS_ERR [2020-10-29 18:49:13,296 INFO L138 BoogieDeclarations]: Found implementation of procedure spinlock_check [2020-10-29 18:49:13,296 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_lock_1 [2020-10-29 18:49:13,296 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_5 [2020-10-29 18:49:13,296 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_irqrestore_8 [2020-10-29 18:49:13,297 INFO L138 BoogieDeclarations]: Found implementation of procedure outb [2020-10-29 18:49:13,297 INFO L138 BoogieDeclarations]: Found implementation of procedure inb [2020-10-29 18:49:13,297 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2020-10-29 18:49:13,297 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2020-10-29 18:49:13,297 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_zalloc [2020-10-29 18:49:13,297 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undef_int [2020-10-29 18:49:13,298 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undef_ulong [2020-10-29 18:49:13,298 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_error [2020-10-29 18:49:13,298 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2020-10-29 18:49:13,298 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2020-10-29 18:49:13,298 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_trap [2020-10-29 18:49:13,298 INFO L138 BoogieDeclarations]: Found implementation of procedure request_irq [2020-10-29 18:49:13,299 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_get_drvdata [2020-10-29 18:49:13,299 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_set_drvdata [2020-10-29 18:49:13,299 INFO L138 BoogieDeclarations]: Found implementation of procedure platform_device_register_resndata [2020-10-29 18:49:13,299 INFO L138 BoogieDeclarations]: Found implementation of procedure platform_device_register_simple [2020-10-29 18:49:13,299 INFO L138 BoogieDeclarations]: Found implementation of procedure platform_get_drvdata [2020-10-29 18:49:13,299 INFO L138 BoogieDeclarations]: Found implementation of procedure platform_set_drvdata [2020-10-29 18:49:13,300 INFO L138 BoogieDeclarations]: Found implementation of procedure snd_uart16550_add_timer [2020-10-29 18:49:13,300 INFO L138 BoogieDeclarations]: Found implementation of procedure snd_uart16550_del_timer [2020-10-29 18:49:13,300 INFO L138 BoogieDeclarations]: Found implementation of procedure snd_uart16550_buffer_output [2020-10-29 18:49:13,300 INFO L138 BoogieDeclarations]: Found implementation of procedure snd_uart16550_io_loop [2020-10-29 18:49:13,300 INFO L138 BoogieDeclarations]: Found implementation of procedure snd_uart16550_interrupt [2020-10-29 18:49:13,300 INFO L138 BoogieDeclarations]: Found implementation of procedure snd_uart16550_buffer_timer [2020-10-29 18:49:13,301 INFO L138 BoogieDeclarations]: Found implementation of procedure snd_uart16550_detect [2020-10-29 18:49:13,301 INFO L138 BoogieDeclarations]: Found implementation of procedure snd_uart16550_do_open [2020-10-29 18:49:13,301 INFO L138 BoogieDeclarations]: Found implementation of procedure snd_uart16550_do_close [2020-10-29 18:49:13,301 INFO L138 BoogieDeclarations]: Found implementation of procedure snd_uart16550_input_open [2020-10-29 18:49:13,301 INFO L138 BoogieDeclarations]: Found implementation of procedure snd_uart16550_input_close [2020-10-29 18:49:13,301 INFO L138 BoogieDeclarations]: Found implementation of procedure snd_uart16550_input_trigger [2020-10-29 18:49:13,302 INFO L138 BoogieDeclarations]: Found implementation of procedure snd_uart16550_output_open [2020-10-29 18:49:13,302 INFO L138 BoogieDeclarations]: Found implementation of procedure snd_uart16550_output_close [2020-10-29 18:49:13,302 INFO L138 BoogieDeclarations]: Found implementation of procedure snd_uart16550_buffer_can_write [2020-10-29 18:49:13,302 INFO L138 BoogieDeclarations]: Found implementation of procedure snd_uart16550_write_buffer [2020-10-29 18:49:13,302 INFO L138 BoogieDeclarations]: Found implementation of procedure snd_uart16550_output_byte [2020-10-29 18:49:13,302 INFO L138 BoogieDeclarations]: Found implementation of procedure snd_uart16550_output_write [2020-10-29 18:49:13,302 INFO L138 BoogieDeclarations]: Found implementation of procedure snd_uart16550_output_trigger [2020-10-29 18:49:13,303 INFO L138 BoogieDeclarations]: Found implementation of procedure snd_uart16550_free [2020-10-29 18:49:13,303 INFO L138 BoogieDeclarations]: Found implementation of procedure snd_uart16550_dev_free [2020-10-29 18:49:13,303 INFO L138 BoogieDeclarations]: Found implementation of procedure snd_uart16550_create [2020-10-29 18:49:13,303 INFO L138 BoogieDeclarations]: Found implementation of procedure snd_uart16550_substreams [2020-10-29 18:49:13,303 INFO L138 BoogieDeclarations]: Found implementation of procedure snd_uart16550_rmidi [2020-10-29 18:49:13,303 INFO L138 BoogieDeclarations]: Found implementation of procedure snd_serial_probe [2020-10-29 18:49:13,304 INFO L138 BoogieDeclarations]: Found implementation of procedure snd_serial_remove [2020-10-29 18:49:13,304 INFO L138 BoogieDeclarations]: Found implementation of procedure snd_serial_unregister_all [2020-10-29 18:49:13,304 INFO L138 BoogieDeclarations]: Found implementation of procedure alsa_card_serial_init [2020-10-29 18:49:13,304 INFO L138 BoogieDeclarations]: Found implementation of procedure alsa_card_serial_exit [2020-10-29 18:49:13,304 INFO L138 BoogieDeclarations]: Found implementation of procedure choose_timer_2 [2020-10-29 18:49:13,305 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_initialize_snd_rawmidi_ops_5 [2020-10-29 18:49:13,305 INFO L138 BoogieDeclarations]: Found implementation of procedure reg_timer_2 [2020-10-29 18:49:13,305 INFO L138 BoogieDeclarations]: Found implementation of procedure activate_pending_timer_2 [2020-10-29 18:49:13,305 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_initialize_snd_rawmidi_ops_4 [2020-10-29 18:49:13,305 INFO L138 BoogieDeclarations]: Found implementation of procedure disable_suitable_timer_2 [2020-10-29 18:49:13,305 INFO L138 BoogieDeclarations]: Found implementation of procedure disable_suitable_irq_1 [2020-10-29 18:49:13,306 INFO L138 BoogieDeclarations]: Found implementation of procedure reg_check_1 [2020-10-29 18:49:13,306 INFO L138 BoogieDeclarations]: Found implementation of procedure activate_suitable_irq_1 [2020-10-29 18:49:13,306 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_irq_1 [2020-10-29 18:49:13,306 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_initialize_platform_driver_3 [2020-10-29 18:49:13,306 INFO L138 BoogieDeclarations]: Found implementation of procedure choose_interrupt_1 [2020-10-29 18:49:13,306 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-10-29 18:49:13,307 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_lock [2020-10-29 18:49:13,307 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock [2020-10-29 18:49:13,307 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock_irqrestore [2020-10-29 18:49:13,307 INFO L138 BoogieDeclarations]: Found implementation of procedure kzalloc [2020-10-29 18:49:13,307 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_del_timer_19 [2020-10-29 18:49:13,307 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_free_irq_20 [2020-10-29 18:49:13,307 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_request_irq_21 [2020-10-29 18:49:13,308 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_platform_driver_unregister_22 [2020-10-29 18:49:13,308 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv___platform_driver_register_23 [2020-10-29 18:49:13,308 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_alloc_flags [2020-10-29 18:49:13,308 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_alloc_flags_and_return_some_page [2020-10-29 18:49:13,308 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_alloc_nonatomic [2020-10-29 18:49:13,308 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_lock [2020-10-29 18:49:13,309 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock [2020-10-29 18:49:13,309 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_trylock [2020-10-29 18:49:13,309 INFO L138 BoogieDeclarations]: Found implementation of procedure __platform_driver_register [2020-10-29 18:49:13,309 INFO L138 BoogieDeclarations]: Found implementation of procedure __raw_spin_lock_init [2020-10-29 18:49:13,309 INFO L138 BoogieDeclarations]: Found implementation of procedure __request_region [2020-10-29 18:49:13,310 INFO L138 BoogieDeclarations]: Found implementation of procedure __snd_printk [2020-10-29 18:49:13,310 INFO L138 BoogieDeclarations]: Found implementation of procedure _raw_spin_lock [2020-10-29 18:49:13,310 INFO L138 BoogieDeclarations]: Found implementation of procedure _raw_spin_unlock [2020-10-29 18:49:13,310 INFO L138 BoogieDeclarations]: Found implementation of procedure _raw_spin_unlock_irqrestore [2020-10-29 18:49:13,310 INFO L138 BoogieDeclarations]: Found implementation of procedure add_timer [2020-10-29 18:49:13,310 INFO L138 BoogieDeclarations]: Found implementation of procedure del_timer [2020-10-29 18:49:13,310 INFO L138 BoogieDeclarations]: Found implementation of procedure free_irq [2020-10-29 18:49:13,311 INFO L138 BoogieDeclarations]: Found implementation of procedure kmem_cache_alloc [2020-10-29 18:49:13,311 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_final_state [2020-10-29 18:49:13,311 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_initialize [2020-10-29 18:49:13,311 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_some_page [2020-10-29 18:49:13,311 INFO L138 BoogieDeclarations]: Found implementation of procedure platform_device_register_full [2020-10-29 18:49:13,311 INFO L138 BoogieDeclarations]: Found implementation of procedure platform_device_unregister [2020-10-29 18:49:13,312 INFO L138 BoogieDeclarations]: Found implementation of procedure platform_driver_unregister [2020-10-29 18:49:13,312 INFO L138 BoogieDeclarations]: Found implementation of procedure printk [2020-10-29 18:49:13,312 INFO L138 BoogieDeclarations]: Found implementation of procedure release_and_free_resource [2020-10-29 18:49:13,312 INFO L138 BoogieDeclarations]: Found implementation of procedure request_threaded_irq [2020-10-29 18:49:13,312 INFO L138 BoogieDeclarations]: Found implementation of procedure snd_card_free [2020-10-29 18:49:13,312 INFO L138 BoogieDeclarations]: Found implementation of procedure snd_card_new [2020-10-29 18:49:13,313 INFO L138 BoogieDeclarations]: Found implementation of procedure snd_card_register [2020-10-29 18:49:13,313 INFO L138 BoogieDeclarations]: Found implementation of procedure snd_device_new [2020-10-29 18:49:13,313 INFO L138 BoogieDeclarations]: Found implementation of procedure snd_rawmidi_new [2020-10-29 18:49:13,313 INFO L138 BoogieDeclarations]: Found implementation of procedure snd_rawmidi_receive [2020-10-29 18:49:13,313 INFO L138 BoogieDeclarations]: Found implementation of procedure snd_rawmidi_set_ops [2020-10-29 18:49:13,313 INFO L138 BoogieDeclarations]: Found implementation of procedure snd_rawmidi_transmit [2020-10-29 18:49:13,314 INFO L138 BoogieDeclarations]: Found implementation of procedure snd_rawmidi_transmit_ack [2020-10-29 18:49:13,314 INFO L138 BoogieDeclarations]: Found implementation of procedure snd_rawmidi_transmit_peek [2020-10-29 18:49:13,314 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree [2020-10-29 18:49:13,314 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2020-10-29 18:49:13,314 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.meminit [2020-10-29 18:49:13,315 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_strcpy [2020-10-29 18:49:13,315 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2020-10-29 18:49:13,315 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2020-10-29 18:49:13,315 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_perror_fail [2020-10-29 18:49:13,315 INFO L130 BoogieDeclarations]: Found specification of procedure __assert [2020-10-29 18:49:13,315 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error [2020-10-29 18:49:13,316 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-10-29 18:49:13,316 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2020-10-29 18:49:13,316 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_lock [2020-10-29 18:49:13,316 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock [2020-10-29 18:49:13,316 INFO L130 BoogieDeclarations]: Found specification of procedure printk [2020-10-29 18:49:13,316 INFO L130 BoogieDeclarations]: Found specification of procedure sprintf [2020-10-29 18:49:13,317 INFO L130 BoogieDeclarations]: Found specification of procedure memset [2020-10-29 18:49:13,317 INFO L130 BoogieDeclarations]: Found specification of procedure strcpy [2020-10-29 18:49:13,317 INFO L130 BoogieDeclarations]: Found specification of procedure IS_ERR [2020-10-29 18:49:13,317 INFO L130 BoogieDeclarations]: Found specification of procedure __raw_spin_lock_init [2020-10-29 18:49:13,317 INFO L130 BoogieDeclarations]: Found specification of procedure _raw_spin_lock [2020-10-29 18:49:13,317 INFO L130 BoogieDeclarations]: Found specification of procedure _raw_spin_unlock [2020-10-29 18:49:13,318 INFO L130 BoogieDeclarations]: Found specification of procedure _raw_spin_unlock_irqrestore [2020-10-29 18:49:13,318 INFO L130 BoogieDeclarations]: Found specification of procedure spinlock_check [2020-10-29 18:49:13,318 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_lock_1 [2020-10-29 18:49:13,318 INFO L130 BoogieDeclarations]: Found specification of procedure spin_lock [2020-10-29 18:49:13,318 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_5 [2020-10-29 18:49:13,318 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock [2020-10-29 18:49:13,319 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_irqrestore_8 [2020-10-29 18:49:13,319 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock_irqrestore [2020-10-29 18:49:13,319 INFO L130 BoogieDeclarations]: Found specification of procedure __request_region [2020-10-29 18:49:13,319 INFO L130 BoogieDeclarations]: Found specification of procedure del_timer [2020-10-29 18:49:13,319 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_del_timer_19 [2020-10-29 18:49:13,320 INFO L130 BoogieDeclarations]: Found specification of procedure add_timer [2020-10-29 18:49:13,320 INFO L130 BoogieDeclarations]: Found specification of procedure outb [2020-10-29 18:49:13,320 INFO L130 BoogieDeclarations]: Found specification of procedure inb [2020-10-29 18:49:13,320 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2020-10-29 18:49:13,320 INFO L130 BoogieDeclarations]: Found specification of procedure kmem_cache_alloc [2020-10-29 18:49:13,320 INFO L130 BoogieDeclarations]: Found specification of procedure kzalloc [2020-10-29 18:49:13,320 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_alloc_flags [2020-10-29 18:49:13,321 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2020-10-29 18:49:13,321 INFO L130 BoogieDeclarations]: Found specification of procedure calloc [2020-10-29 18:49:13,321 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2020-10-29 18:49:13,321 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_ulong [2020-10-29 18:49:13,321 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2020-10-29 18:49:13,321 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2020-10-29 18:49:13,321 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2020-10-29 18:49:13,322 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_zalloc [2020-10-29 18:49:13,322 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.meminit [2020-10-29 18:49:13,322 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undef_int [2020-10-29 18:49:13,322 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undef_ulong [2020-10-29 18:49:13,322 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_error [2020-10-29 18:49:13,322 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2020-10-29 18:49:13,323 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_trap [2020-10-29 18:49:13,323 INFO L130 BoogieDeclarations]: Found specification of procedure choose_timer_2 [2020-10-29 18:49:13,323 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_initialize_snd_rawmidi_ops_5 [2020-10-29 18:49:13,323 INFO L130 BoogieDeclarations]: Found specification of procedure reg_timer_2 [2020-10-29 18:49:13,323 INFO L130 BoogieDeclarations]: Found specification of procedure activate_pending_timer_2 [2020-10-29 18:49:13,323 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_initialize_snd_rawmidi_ops_4 [2020-10-29 18:49:13,323 INFO L130 BoogieDeclarations]: Found specification of procedure disable_suitable_timer_2 [2020-10-29 18:49:13,324 INFO L130 BoogieDeclarations]: Found specification of procedure disable_suitable_irq_1 [2020-10-29 18:49:13,324 INFO L130 BoogieDeclarations]: Found specification of procedure reg_check_1 [2020-10-29 18:49:13,324 INFO L130 BoogieDeclarations]: Found specification of procedure activate_suitable_irq_1 [2020-10-29 18:49:13,324 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_irq_1 [2020-10-29 18:49:13,324 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_initialize_platform_driver_3 [2020-10-29 18:49:13,324 INFO L130 BoogieDeclarations]: Found specification of procedure choose_interrupt_1 [2020-10-29 18:49:13,324 INFO L130 BoogieDeclarations]: Found specification of procedure request_threaded_irq [2020-10-29 18:49:13,325 INFO L130 BoogieDeclarations]: Found specification of procedure request_irq [2020-10-29 18:49:13,325 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_request_irq_21 [2020-10-29 18:49:13,325 INFO L130 BoogieDeclarations]: Found specification of procedure free_irq [2020-10-29 18:49:13,325 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_free_irq_20 [2020-10-29 18:49:13,325 INFO L130 BoogieDeclarations]: Found specification of procedure dev_get_drvdata [2020-10-29 18:49:13,325 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2020-10-29 18:49:13,326 INFO L130 BoogieDeclarations]: Found specification of procedure dev_set_drvdata [2020-10-29 18:49:13,326 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2020-10-29 18:49:13,326 INFO L130 BoogieDeclarations]: Found specification of procedure platform_device_unregister [2020-10-29 18:49:13,326 INFO L130 BoogieDeclarations]: Found specification of procedure platform_device_register_full [2020-10-29 18:49:13,326 INFO L130 BoogieDeclarations]: Found specification of procedure platform_device_register_resndata [2020-10-29 18:49:13,326 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-10-29 18:49:13,326 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-10-29 18:49:13,327 INFO L130 BoogieDeclarations]: Found specification of procedure platform_device_register_simple [2020-10-29 18:49:13,327 INFO L130 BoogieDeclarations]: Found specification of procedure __platform_driver_register [2020-10-29 18:49:13,327 INFO L130 BoogieDeclarations]: Found specification of procedure ldv___platform_driver_register_23 [2020-10-29 18:49:13,327 INFO L130 BoogieDeclarations]: Found specification of procedure platform_driver_unregister [2020-10-29 18:49:13,327 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_platform_driver_unregister_22 [2020-10-29 18:49:13,327 INFO L130 BoogieDeclarations]: Found specification of procedure platform_get_drvdata [2020-10-29 18:49:13,328 INFO L130 BoogieDeclarations]: Found specification of procedure platform_set_drvdata [2020-10-29 18:49:13,328 INFO L130 BoogieDeclarations]: Found specification of procedure snd_card_new [2020-10-29 18:49:13,328 INFO L130 BoogieDeclarations]: Found specification of procedure snd_card_free [2020-10-29 18:49:13,328 INFO L130 BoogieDeclarations]: Found specification of procedure snd_card_register [2020-10-29 18:49:13,328 INFO L130 BoogieDeclarations]: Found specification of procedure snd_device_new [2020-10-29 18:49:13,328 INFO L130 BoogieDeclarations]: Found specification of procedure release_and_free_resource [2020-10-29 18:49:13,328 INFO L130 BoogieDeclarations]: Found specification of procedure __snd_printk [2020-10-29 18:49:13,329 INFO L130 BoogieDeclarations]: Found specification of procedure snd_rawmidi_new [2020-10-29 18:49:13,329 INFO L130 BoogieDeclarations]: Found specification of procedure snd_rawmidi_set_ops [2020-10-29 18:49:13,329 INFO L130 BoogieDeclarations]: Found specification of procedure snd_rawmidi_receive [2020-10-29 18:49:13,329 INFO L130 BoogieDeclarations]: Found specification of procedure snd_rawmidi_transmit_peek [2020-10-29 18:49:13,329 INFO L130 BoogieDeclarations]: Found specification of procedure snd_rawmidi_transmit_ack [2020-10-29 18:49:13,329 INFO L130 BoogieDeclarations]: Found specification of procedure snd_rawmidi_transmit [2020-10-29 18:49:13,330 INFO L130 BoogieDeclarations]: Found specification of procedure snd_uart16550_add_timer [2020-10-29 18:49:13,330 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2020-10-29 18:49:13,330 INFO L130 BoogieDeclarations]: Found specification of procedure snd_uart16550_del_timer [2020-10-29 18:49:13,330 INFO L130 BoogieDeclarations]: Found specification of procedure snd_uart16550_buffer_output [2020-10-29 18:49:13,330 INFO L130 BoogieDeclarations]: Found specification of procedure snd_uart16550_io_loop [2020-10-29 18:49:13,330 INFO L130 BoogieDeclarations]: Found specification of procedure snd_uart16550_interrupt [2020-10-29 18:49:13,331 INFO L130 BoogieDeclarations]: Found specification of procedure snd_uart16550_buffer_timer [2020-10-29 18:49:13,331 INFO L130 BoogieDeclarations]: Found specification of procedure snd_uart16550_detect [2020-10-29 18:49:13,331 INFO L130 BoogieDeclarations]: Found specification of procedure snd_uart16550_do_open [2020-10-29 18:49:13,331 INFO L130 BoogieDeclarations]: Found specification of procedure snd_uart16550_do_close [2020-10-29 18:49:13,331 INFO L130 BoogieDeclarations]: Found specification of procedure snd_uart16550_input_open [2020-10-29 18:49:13,331 INFO L130 BoogieDeclarations]: Found specification of procedure snd_uart16550_input_close [2020-10-29 18:49:13,331 INFO L130 BoogieDeclarations]: Found specification of procedure snd_uart16550_input_trigger [2020-10-29 18:49:13,332 INFO L130 BoogieDeclarations]: Found specification of procedure snd_uart16550_output_open [2020-10-29 18:49:13,332 INFO L130 BoogieDeclarations]: Found specification of procedure snd_uart16550_output_close [2020-10-29 18:49:13,332 INFO L130 BoogieDeclarations]: Found specification of procedure snd_uart16550_buffer_can_write [2020-10-29 18:49:13,332 INFO L130 BoogieDeclarations]: Found specification of procedure snd_uart16550_write_buffer [2020-10-29 18:49:13,332 INFO L130 BoogieDeclarations]: Found specification of procedure snd_uart16550_output_byte [2020-10-29 18:49:13,332 INFO L130 BoogieDeclarations]: Found specification of procedure snd_uart16550_output_write [2020-10-29 18:49:13,333 INFO L130 BoogieDeclarations]: Found specification of procedure snd_uart16550_output_trigger [2020-10-29 18:49:13,333 INFO L130 BoogieDeclarations]: Found specification of procedure snd_uart16550_free [2020-10-29 18:49:13,333 INFO L130 BoogieDeclarations]: Found specification of procedure snd_uart16550_dev_free [2020-10-29 18:49:13,333 INFO L130 BoogieDeclarations]: Found specification of procedure snd_uart16550_create [2020-10-29 18:49:13,333 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2020-10-29 18:49:13,333 INFO L130 BoogieDeclarations]: Found specification of procedure snd_uart16550_substreams [2020-10-29 18:49:13,333 INFO L130 BoogieDeclarations]: Found specification of procedure snd_uart16550_rmidi [2020-10-29 18:49:13,334 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_strcpy [2020-10-29 18:49:13,334 INFO L130 BoogieDeclarations]: Found specification of procedure snd_serial_probe [2020-10-29 18:49:13,334 INFO L130 BoogieDeclarations]: Found specification of procedure snd_serial_remove [2020-10-29 18:49:13,334 INFO L130 BoogieDeclarations]: Found specification of procedure snd_serial_unregister_all [2020-10-29 18:49:13,334 INFO L130 BoogieDeclarations]: Found specification of procedure alsa_card_serial_init [2020-10-29 18:49:13,334 INFO L130 BoogieDeclarations]: Found specification of procedure alsa_card_serial_exit [2020-10-29 18:49:13,334 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_initialize [2020-10-29 18:49:13,335 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_final_state [2020-10-29 18:49:13,335 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~TO~VOID [2020-10-29 18:49:13,335 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-10-29 18:49:13,335 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_some_page [2020-10-29 18:49:13,335 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_alloc_flags_and_return_some_page [2020-10-29 18:49:13,335 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_alloc_nonatomic [2020-10-29 18:49:13,336 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_trylock [2020-10-29 18:49:13,336 INFO L130 BoogieDeclarations]: Found specification of procedure free [2020-10-29 18:49:13,336 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-10-29 18:49:13,336 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-10-29 18:49:13,336 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2020-10-29 18:49:13,336 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-10-29 18:49:13,336 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2020-10-29 18:49:13,337 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2020-10-29 18:49:14,231 INFO L751 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stopFINAL: assume true; [2020-10-29 18:49:17,176 INFO L293 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-10-29 18:49:17,177 INFO L298 CfgBuilder]: Removed 1 assume(true) statements. [2020-10-29 18:49:17,182 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.10 06:49:17 BoogieIcfgContainer [2020-10-29 18:49:17,183 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-10-29 18:49:17,184 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-10-29 18:49:17,185 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-10-29 18:49:17,188 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-10-29 18:49:17,189 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 29.10 06:49:11" (1/3) ... [2020-10-29 18:49:17,190 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4d0ff987 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 29.10 06:49:17, skipping insertion in model container [2020-10-29 18:49:17,190 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 06:49:12" (2/3) ... [2020-10-29 18:49:17,190 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4d0ff987 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 29.10 06:49:17, skipping insertion in model container [2020-10-29 18:49:17,190 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.10 06:49:17" (3/3) ... [2020-10-29 18:49:17,192 INFO L111 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 [2020-10-29 18:49:17,205 INFO L164 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:Craig_NestedInterpolation Determinization: PREDICATE_ABSTRACTION [2020-10-29 18:49:17,212 INFO L176 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-10-29 18:49:17,227 INFO L253 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-10-29 18:49:17,273 INFO L377 AbstractCegarLoop]: Interprodecural is true [2020-10-29 18:49:17,273 INFO L378 AbstractCegarLoop]: Hoare is true [2020-10-29 18:49:17,273 INFO L379 AbstractCegarLoop]: Compute interpolants for Craig_NestedInterpolation [2020-10-29 18:49:17,273 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-10-29 18:49:17,273 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-10-29 18:49:17,273 INFO L382 AbstractCegarLoop]: Difference is false [2020-10-29 18:49:17,274 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-10-29 18:49:17,274 INFO L387 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-10-29 18:49:17,321 INFO L276 IsEmpty]: Start isEmpty. Operand 932 states. [2020-10-29 18:49:17,351 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 56 [2020-10-29 18:49:17,351 INFO L414 BasicCegarLoop]: Found error trace [2020-10-29 18:49:17,353 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, 1, 1] [2020-10-29 18:49:17,353 INFO L429 AbstractCegarLoop]: === Iteration 1 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-29 18:49:17,361 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-29 18:49:17,362 INFO L82 PathProgramCache]: Analyzing trace with hash 1294605297, now seen corresponding path program 1 times [2020-10-29 18:49:17,371 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-29 18:49:17,372 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1250673862] [2020-10-29 18:49:17,372 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-29 18:49:17,844 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 18:49:17,976 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 18:49:18,212 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 18:49:18,491 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 18:49:18,695 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 18:49:18,846 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 18:49:18,979 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 18:49:20,683 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 18:49:22,930 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 18:49:22,931 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 81 [2020-10-29 18:49:22,931 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 7 [2020-10-29 18:49:22,931 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5081 [2020-10-29 18:49:22,934 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 18:49:22,934 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 18:49:22,935 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 18:49:22,935 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 17 [2020-10-29 18:49:22,935 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 9 [2020-10-29 18:49:22,935 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 3 [2020-10-29 18:49:24,213 WARN L193 SmtUtils]: Spent 1.12 s on a formula simplification that was a NOOP. DAG size: 439 [2020-10-29 18:49:24,216 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-29 18:49:24,238 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 18:49:24,251 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 18:49:24,436 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 18:49:24,437 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-29 18:49:24,437 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 18:49:24,437 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 196 [2020-10-29 18:49:24,437 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 18:49:24,437 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 18:49:24,438 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 18:49:24,438 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 18:49:24,438 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 18:49:24,438 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-29 18:49:24,497 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-29 18:49:24,499 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 18:49:24,503 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 18:49:24,505 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 18:49:24,505 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-29 18:49:24,505 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 18:49:24,506 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-29 18:49:24,506 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 18:49:24,506 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 18:49:24,506 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 18:49:24,506 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 18:49:24,506 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 18:49:24,507 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 18:49:24,511 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2020-10-29 18:49:24,513 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 18:49:24,518 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 18:49:24,522 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 18:49:24,522 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-29 18:49:24,522 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 18:49:24,522 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-10-29 18:49:24,523 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 18:49:24,523 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 18:49:24,523 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 18:49:24,523 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-29 18:49:24,523 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 18:49:24,524 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 18:49:24,561 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2020-10-29 18:49:24,564 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 18:49:24,568 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 18:49:24,575 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 18:49:24,579 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 18:49:24,579 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-29 18:49:24,579 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-29 18:49:24,579 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 13 [2020-10-29 18:49:24,580 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 18:49:24,580 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 18:49:24,580 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 18:49:24,584 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 3 [2020-10-29 18:49:24,584 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 18:49:24,585 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 4 [2020-10-29 18:49:24,589 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2020-10-29 18:49:24,597 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 18:49:24,606 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 18:49:24,608 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 18:49:24,611 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 18:49:24,611 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-29 18:49:24,611 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-29 18:49:24,612 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 8 [2020-10-29 18:49:24,612 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 18:49:24,612 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 18:49:24,612 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 18:49:24,612 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-10-29 18:49:24,612 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 18:49:24,613 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 18:49:24,644 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2020-10-29 18:49:24,644 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1250673862] [2020-10-29 18:49:24,646 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-29 18:49:24,647 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5] total 5 [2020-10-29 18:49:24,647 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1233992133] [2020-10-29 18:49:24,652 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-10-29 18:49:24,653 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-29 18:49:24,669 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-10-29 18:49:24,670 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2020-10-29 18:49:24,672 INFO L87 Difference]: Start difference. First operand 932 states. Second operand 5 states. [2020-10-29 18:49:25,997 WARN L193 SmtUtils]: Spent 1.28 s on a formula simplification that was a NOOP. DAG size: 442 [2020-10-29 18:49:28,424 WARN L193 SmtUtils]: Spent 1.27 s on a formula simplification that was a NOOP. DAG size: 444 [2020-10-29 18:49:39,037 WARN L193 SmtUtils]: Spent 1.33 s on a formula simplification that was a NOOP. DAG size: 441 [2020-10-29 18:49:56,638 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-29 18:49:56,639 INFO L93 Difference]: Finished difference Result 2850 states and 3948 transitions. [2020-10-29 18:49:56,640 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2020-10-29 18:49:56,641 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 55 [2020-10-29 18:49:56,642 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-29 18:49:56,692 INFO L225 Difference]: With dead ends: 2850 [2020-10-29 18:49:56,693 INFO L226 Difference]: Without dead ends: 1874 [2020-10-29 18:49:56,708 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 20 GetRequests, 13 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 5.1s TimeCoverageRelationStatistics Valid=27, Invalid=45, Unknown=0, NotChecked=0, Total=72 [2020-10-29 18:49:56,734 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1874 states. [2020-10-29 18:49:57,222 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1874 to 1420. [2020-10-29 18:49:57,223 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1420 states. [2020-10-29 18:49:57,235 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1420 states to 1420 states and 1882 transitions. [2020-10-29 18:49:57,238 INFO L78 Accepts]: Start accepts. Automaton has 1420 states and 1882 transitions. Word has length 55 [2020-10-29 18:49:57,238 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-29 18:49:57,238 INFO L481 AbstractCegarLoop]: Abstraction has 1420 states and 1882 transitions. [2020-10-29 18:49:57,239 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-10-29 18:49:57,239 INFO L276 IsEmpty]: Start isEmpty. Operand 1420 states and 1882 transitions. [2020-10-29 18:49:57,249 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 95 [2020-10-29 18:49:57,249 INFO L414 BasicCegarLoop]: Found error trace [2020-10-29 18:49:57,250 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-29 18:49:57,253 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-10-29 18:49:57,254 INFO L429 AbstractCegarLoop]: === Iteration 2 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-29 18:49:57,254 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-29 18:49:57,254 INFO L82 PathProgramCache]: Analyzing trace with hash -1397169908, now seen corresponding path program 1 times [2020-10-29 18:49:57,255 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-29 18:49:57,255 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [2105970267] [2020-10-29 18:49:57,255 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-29 18:49:57,361 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 18:49:57,427 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 18:49:57,560 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 18:49:57,697 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 18:50:01,424 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 18:50:01,771 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 18:50:02,441 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 18:50:02,441 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 130 [2020-10-29 18:50:02,441 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 5 [2020-10-29 18:50:02,441 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5077 [2020-10-29 18:50:02,442 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 18:50:02,442 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 18:50:02,442 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 20 [2020-10-29 18:50:02,443 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-29 18:50:02,443 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 92 [2020-10-29 18:50:02,443 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-29 18:50:04,173 WARN L193 SmtUtils]: Spent 1.46 s on a formula simplification that was a NOOP. DAG size: 439 [2020-10-29 18:50:04,175 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-29 18:50:04,246 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 18:50:04,289 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 18:50:04,688 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 18:50:04,689 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-29 18:50:04,689 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 18:50:04,689 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 441 [2020-10-29 18:50:04,689 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 18:50:04,690 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 18:50:04,690 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 18:50:04,690 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 18:50:04,690 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-10-29 18:50:04,690 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 18:50:04,751 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-29 18:50:04,753 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 18:50:04,756 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 18:50:04,761 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 18:50:04,761 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-29 18:50:04,762 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 18:50:04,762 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-10-29 18:50:04,762 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 18:50:04,762 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 18:50:04,762 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 18:50:04,763 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 18:50:04,763 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-10-29 18:50:04,763 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 18:50:04,799 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-10-29 18:50:04,818 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 18:50:04,828 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 18:50:04,966 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 18:50:04,966 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 38 [2020-10-29 18:50:04,966 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 18:50:04,967 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 146 [2020-10-29 18:50:04,967 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 18:50:04,967 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 18:50:04,967 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 10 [2020-10-29 18:50:04,967 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-29 18:50:04,967 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 38 [2020-10-29 18:50:04,968 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 18:50:05,032 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-29 18:50:05,038 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 18:50:05,045 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 18:50:05,147 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 18:50:05,147 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 30 [2020-10-29 18:50:05,147 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 18:50:05,148 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 108 [2020-10-29 18:50:05,148 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 18:50:05,148 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 18:50:05,148 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 8 [2020-10-29 18:50:05,148 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-29 18:50:05,149 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 30 [2020-10-29 18:50:05,149 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-29 18:50:05,161 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-29 18:50:05,164 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 18:50:05,168 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 18:50:05,177 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 18:50:05,178 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-29 18:50:05,178 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 18:50:05,178 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 12 [2020-10-29 18:50:05,178 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 18:50:05,179 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 18:50:05,179 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 18:50:05,179 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 18:50:05,179 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-29 18:50:05,180 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-29 18:50:05,225 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-29 18:50:05,229 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 18:50:05,234 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 18:50:05,270 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 18:50:05,270 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 16 [2020-10-29 18:50:05,271 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 18:50:05,271 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 40 [2020-10-29 18:50:05,271 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 18:50:05,271 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 18:50:05,271 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-10-29 18:50:05,272 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-29 18:50:05,272 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 16 [2020-10-29 18:50:05,272 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-29 18:50:05,317 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-29 18:50:05,329 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 18:50:05,334 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 18:50:05,351 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 18:50:05,352 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-29 18:50:05,352 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 18:50:05,352 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 21 [2020-10-29 18:50:05,352 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 18:50:05,353 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 18:50:05,353 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-29 18:50:05,353 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-29 18:50:05,353 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 9 [2020-10-29 18:50:05,353 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-29 18:50:05,362 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 63 [2020-10-29 18:50:05,365 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 18:50:05,369 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 18:50:05,375 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 18:50:05,375 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-29 18:50:05,376 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 18:50:05,376 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 9 [2020-10-29 18:50:05,376 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 18:50:05,376 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 18:50:05,376 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 18:50:05,376 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 18:50:05,377 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-29 18:50:05,377 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 18:50:05,413 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2020-10-29 18:50:05,421 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 18:50:05,427 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 18:50:05,471 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 18:50:05,471 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-29 18:50:05,471 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 18:50:05,471 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 49 [2020-10-29 18:50:05,472 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 18:50:05,472 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 18:50:05,472 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 7 [2020-10-29 18:50:05,472 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-29 18:50:05,472 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 10 [2020-10-29 18:50:05,473 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-29 18:50:05,551 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 76 [2020-10-29 18:50:05,555 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 18:50:05,558 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 18:50:05,569 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 18:50:05,569 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-29 18:50:05,569 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 18:50:05,569 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 13 [2020-10-29 18:50:05,569 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 18:50:05,570 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 18:50:05,570 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 18:50:05,570 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 7 [2020-10-29 18:50:05,570 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 18:50:05,570 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 18:50:05,626 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2020-10-29 18:50:05,627 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [2105970267] [2020-10-29 18:50:05,627 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-29 18:50:05,627 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [14] total 14 [2020-10-29 18:50:05,628 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1521691488] [2020-10-29 18:50:05,630 INFO L461 AbstractCegarLoop]: Interpolant automaton has 14 states [2020-10-29 18:50:05,630 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-29 18:50:05,630 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2020-10-29 18:50:05,631 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=39, Invalid=143, Unknown=0, NotChecked=0, Total=182 [2020-10-29 18:50:05,632 INFO L87 Difference]: Start difference. First operand 1420 states and 1882 transitions. Second operand 14 states. [2020-10-29 18:50:07,062 WARN L193 SmtUtils]: Spent 1.39 s on a formula simplification that was a NOOP. DAG size: 442 [2020-10-29 18:50:09,857 WARN L193 SmtUtils]: Spent 1.40 s on a formula simplification that was a NOOP. DAG size: 446 [2020-10-29 18:50:18,381 WARN L193 SmtUtils]: Spent 1.54 s on a formula simplification that was a NOOP. DAG size: 449 [2020-10-29 18:50:20,674 WARN L193 SmtUtils]: Spent 1.47 s on a formula simplification that was a NOOP. DAG size: 452 [2020-10-29 18:50:23,001 WARN L193 SmtUtils]: Spent 1.41 s on a formula simplification that was a NOOP. DAG size: 445 [2020-10-29 18:50:24,718 WARN L193 SmtUtils]: Spent 1.48 s on a formula simplification that was a NOOP. DAG size: 449 [2020-10-29 18:50:51,100 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-29 18:50:51,101 INFO L93 Difference]: Finished difference Result 4443 states and 6102 transitions. [2020-10-29 18:50:51,101 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2020-10-29 18:50:51,101 INFO L78 Accepts]: Start accepts. Automaton has 14 states. Word has length 94 [2020-10-29 18:50:51,102 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-29 18:50:51,126 INFO L225 Difference]: With dead ends: 4443 [2020-10-29 18:50:51,126 INFO L226 Difference]: Without dead ends: 3033 [2020-10-29 18:50:51,134 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 52 GetRequests, 22 SyntacticMatches, 0 SemanticMatches, 30 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 185 ImplicationChecksByTransitivity, 11.2s TimeCoverageRelationStatistics Valid=269, Invalid=723, Unknown=0, NotChecked=0, Total=992 [2020-10-29 18:50:51,139 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3033 states. [2020-10-29 18:50:51,740 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3033 to 1947. [2020-10-29 18:50:51,740 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1947 states. [2020-10-29 18:50:51,749 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1947 states to 1947 states and 2621 transitions. [2020-10-29 18:50:51,750 INFO L78 Accepts]: Start accepts. Automaton has 1947 states and 2621 transitions. Word has length 94 [2020-10-29 18:50:51,751 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-29 18:50:51,751 INFO L481 AbstractCegarLoop]: Abstraction has 1947 states and 2621 transitions. [2020-10-29 18:50:51,751 INFO L482 AbstractCegarLoop]: Interpolant automaton has 14 states. [2020-10-29 18:50:51,751 INFO L276 IsEmpty]: Start isEmpty. Operand 1947 states and 2621 transitions. [2020-10-29 18:50:51,760 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 97 [2020-10-29 18:50:51,761 INFO L414 BasicCegarLoop]: Found error trace [2020-10-29 18:50:51,761 INFO L422 BasicCegarLoop]: trace histogram [3, 2, 2, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-29 18:50:51,761 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-10-29 18:50:51,762 INFO L429 AbstractCegarLoop]: === Iteration 3 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-29 18:50:51,762 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-29 18:50:51,762 INFO L82 PathProgramCache]: Analyzing trace with hash -342055065, now seen corresponding path program 1 times [2020-10-29 18:50:51,763 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-29 18:50:51,763 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [787838079] [2020-10-29 18:50:51,763 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-29 18:50:51,848 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 18:50:51,912 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 18:50:52,042 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 18:50:52,176 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 18:50:52,415 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 18:50:53,811 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 18:50:55,497 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 18:50:57,245 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 18:50:57,246 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 132 [2020-10-29 18:50:57,246 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 6 [2020-10-29 18:50:57,246 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5395 [2020-10-29 18:50:57,246 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 18:50:57,246 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 18:50:57,247 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 22 [2020-10-29 18:50:57,247 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-29 18:50:57,247 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 94 [2020-10-29 18:50:57,247 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 18:50:58,823 WARN L193 SmtUtils]: Spent 1.24 s on a formula simplification that was a NOOP. DAG size: 439 [2020-10-29 18:50:58,825 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-29 18:50:58,904 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 18:50:58,972 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 18:50:59,542 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 18:50:59,543 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-29 18:50:59,543 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 18:50:59,543 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 637 [2020-10-29 18:50:59,543 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 18:50:59,543 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 18:50:59,544 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 18:50:59,544 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 18:50:59,544 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-10-29 18:50:59,544 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 18:50:59,681 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-29 18:50:59,684 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 18:50:59,687 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 18:50:59,690 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 18:50:59,691 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-29 18:50:59,691 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 18:50:59,691 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-29 18:50:59,691 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 18:50:59,691 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 18:50:59,691 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 18:50:59,692 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 18:50:59,692 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-10-29 18:50:59,692 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 18:50:59,734 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-10-29 18:50:59,742 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 18:50:59,750 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 18:50:59,862 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 18:50:59,863 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 38 [2020-10-29 18:50:59,863 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 18:50:59,863 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 119 [2020-10-29 18:50:59,863 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 18:50:59,863 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 18:50:59,864 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 10 [2020-10-29 18:50:59,864 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-29 18:50:59,864 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 38 [2020-10-29 18:50:59,864 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 18:50:59,929 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-29 18:50:59,935 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 18:50:59,942 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 18:51:00,011 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 18:51:00,011 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 30 [2020-10-29 18:51:00,011 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 18:51:00,012 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 74 [2020-10-29 18:51:00,012 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 18:51:00,012 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 18:51:00,013 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 8 [2020-10-29 18:51:00,013 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-29 18:51:00,014 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 30 [2020-10-29 18:51:00,014 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 2 [2020-10-29 18:51:00,026 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-29 18:51:00,028 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 18:51:00,032 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 18:51:00,040 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 18:51:00,040 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-29 18:51:00,040 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 18:51:00,040 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 11 [2020-10-29 18:51:00,040 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 18:51:00,041 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 18:51:00,041 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 18:51:00,041 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 18:51:00,041 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-29 18:51:00,041 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 18:51:00,080 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-29 18:51:00,090 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 18:51:00,098 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 18:51:00,145 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 18:51:00,145 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 16 [2020-10-29 18:51:00,146 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 18:51:00,146 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 54 [2020-10-29 18:51:00,146 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 18:51:00,146 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 18:51:00,146 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-10-29 18:51:00,147 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-29 18:51:00,147 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 16 [2020-10-29 18:51:00,147 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 18:51:00,186 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-29 18:51:00,188 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 18:51:00,201 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 18:51:00,226 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 18:51:00,229 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-29 18:51:00,229 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 18:51:00,230 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 37 [2020-10-29 18:51:00,230 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 18:51:00,230 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 18:51:00,230 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-29 18:51:00,231 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-29 18:51:00,231 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 9 [2020-10-29 18:51:00,231 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-29 18:51:00,249 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 63 [2020-10-29 18:51:00,254 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 18:51:00,258 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 18:51:00,266 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 18:51:00,266 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-29 18:51:00,266 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 18:51:00,266 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 11 [2020-10-29 18:51:00,266 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 18:51:00,267 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 18:51:00,267 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 18:51:00,267 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 18:51:00,267 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-29 18:51:00,268 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 18:51:00,305 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2020-10-29 18:51:00,314 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 18:51:00,328 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 18:51:00,410 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 18:51:00,410 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-10-29 18:51:00,410 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 18:51:00,410 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 95 [2020-10-29 18:51:00,411 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 18:51:00,411 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 18:51:00,411 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 9 [2020-10-29 18:51:00,411 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-29 18:51:00,411 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 12 [2020-10-29 18:51:00,411 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 18:51:00,769 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 78 [2020-10-29 18:51:00,772 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 18:51:00,787 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 18:51:00,798 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 18:51:00,798 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-29 18:51:00,798 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 18:51:00,798 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 25 [2020-10-29 18:51:00,798 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 18:51:00,799 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 18:51:00,799 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 18:51:00,799 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 7 [2020-10-29 18:51:00,799 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 18:51:00,799 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 18:51:00,867 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 0 proven. 8 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2020-10-29 18:51:00,869 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [787838079] [2020-10-29 18:51:00,869 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-29 18:51:00,870 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [16] total 16 [2020-10-29 18:51:00,870 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [62176176] [2020-10-29 18:51:00,870 INFO L461 AbstractCegarLoop]: Interpolant automaton has 16 states [2020-10-29 18:51:00,871 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-29 18:51:00,871 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 16 interpolants. [2020-10-29 18:51:00,872 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=45, Invalid=195, Unknown=0, NotChecked=0, Total=240 [2020-10-29 18:51:00,872 INFO L87 Difference]: Start difference. First operand 1947 states and 2621 transitions. Second operand 16 states. [2020-10-29 18:51:02,374 WARN L193 SmtUtils]: Spent 1.45 s on a formula simplification that was a NOOP. DAG size: 442 [2020-10-29 18:51:12,329 WARN L193 SmtUtils]: Spent 1.69 s on a formula simplification that was a NOOP. DAG size: 452 [2020-10-29 18:51:26,148 WARN L193 SmtUtils]: Spent 1.77 s on a formula simplification that was a NOOP. DAG size: 455 [2020-10-29 18:51:28,092 WARN L193 SmtUtils]: Spent 1.46 s on a formula simplification that was a NOOP. DAG size: 446 [2020-10-29 18:52:00,686 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-29 18:52:00,686 INFO L93 Difference]: Finished difference Result 5114 states and 7124 transitions. [2020-10-29 18:52:00,691 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2020-10-29 18:52:00,691 INFO L78 Accepts]: Start accepts. Automaton has 16 states. Word has length 96 [2020-10-29 18:52:00,692 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-29 18:52:00,717 INFO L225 Difference]: With dead ends: 5114 [2020-10-29 18:52:00,717 INFO L226 Difference]: Without dead ends: 3629 [2020-10-29 18:52:00,725 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 47 GetRequests, 18 SyntacticMatches, 3 SemanticMatches, 26 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 136 ImplicationChecksByTransitivity, 8.9s TimeCoverageRelationStatistics Valid=181, Invalid=575, Unknown=0, NotChecked=0, Total=756 [2020-10-29 18:52:00,731 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3629 states. [2020-10-29 18:52:01,648 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3629 to 2844. [2020-10-29 18:52:01,648 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2844 states. [2020-10-29 18:52:01,664 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2844 states to 2844 states and 3889 transitions. [2020-10-29 18:52:01,665 INFO L78 Accepts]: Start accepts. Automaton has 2844 states and 3889 transitions. Word has length 96 [2020-10-29 18:52:01,666 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-29 18:52:01,666 INFO L481 AbstractCegarLoop]: Abstraction has 2844 states and 3889 transitions. [2020-10-29 18:52:01,666 INFO L482 AbstractCegarLoop]: Interpolant automaton has 16 states. [2020-10-29 18:52:01,666 INFO L276 IsEmpty]: Start isEmpty. Operand 2844 states and 3889 transitions. [2020-10-29 18:52:01,680 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 99 [2020-10-29 18:52:01,681 INFO L414 BasicCegarLoop]: Found error trace [2020-10-29 18:52:01,681 INFO L422 BasicCegarLoop]: trace histogram [4, 2, 2, 2, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-29 18:52:01,682 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-10-29 18:52:01,682 INFO L429 AbstractCegarLoop]: === Iteration 4 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-29 18:52:01,682 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-29 18:52:01,682 INFO L82 PathProgramCache]: Analyzing trace with hash 11027202, now seen corresponding path program 2 times [2020-10-29 18:52:01,683 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-29 18:52:01,688 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [114062120] [2020-10-29 18:52:01,689 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-29 18:52:01,787 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 18:52:01,844 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 18:52:01,960 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 18:52:02,100 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 18:52:02,235 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 18:52:03,351 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 18:52:05,558 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 18:52:09,225 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 18:52:09,226 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 134 [2020-10-29 18:52:09,226 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 6 [2020-10-29 18:52:09,226 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7434 [2020-10-29 18:52:09,227 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 18:52:09,227 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 18:52:09,227 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 24 [2020-10-29 18:52:09,227 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-29 18:52:09,227 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 96 [2020-10-29 18:52:09,228 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-29 18:52:10,969 WARN L193 SmtUtils]: Spent 1.35 s on a formula simplification that was a NOOP. DAG size: 439 [2020-10-29 18:52:10,971 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-29 18:52:11,030 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 18:52:11,068 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 18:52:11,365 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 18:52:11,366 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-29 18:52:11,366 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 18:52:11,366 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 334 [2020-10-29 18:52:11,366 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 18:52:11,366 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 18:52:11,367 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 18:52:11,367 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 18:52:11,367 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-10-29 18:52:11,367 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 18:52:11,420 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-29 18:52:11,423 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 18:52:11,426 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 18:52:11,433 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 18:52:11,433 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-29 18:52:11,434 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 18:52:11,434 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 10 [2020-10-29 18:52:11,434 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 18:52:11,434 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 18:52:11,434 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 18:52:11,435 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 18:52:11,435 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-10-29 18:52:11,435 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 18:52:11,485 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-10-29 18:52:11,492 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 18:52:11,500 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 18:52:11,605 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 18:52:11,605 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 38 [2020-10-29 18:52:11,605 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 18:52:11,605 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 111 [2020-10-29 18:52:11,606 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 18:52:11,606 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 18:52:11,606 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 10 [2020-10-29 18:52:11,606 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-29 18:52:11,606 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 38 [2020-10-29 18:52:11,606 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 18:52:11,691 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-29 18:52:11,697 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 18:52:11,702 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 18:52:11,757 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 18:52:11,758 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 30 [2020-10-29 18:52:11,758 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 18:52:11,758 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 59 [2020-10-29 18:52:11,758 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 18:52:11,758 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 18:52:11,759 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 8 [2020-10-29 18:52:11,759 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-29 18:52:11,759 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 30 [2020-10-29 18:52:11,759 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 18:52:11,768 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-29 18:52:11,770 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 18:52:11,773 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 18:52:11,777 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 18:52:11,777 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-29 18:52:11,777 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 18:52:11,777 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-29 18:52:11,777 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 18:52:11,778 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 18:52:11,778 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 18:52:11,778 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 18:52:11,778 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-29 18:52:11,778 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 18:52:11,827 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-29 18:52:11,830 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 18:52:11,841 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 18:52:11,867 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 18:52:11,867 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 16 [2020-10-29 18:52:11,867 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 18:52:11,867 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 35 [2020-10-29 18:52:11,867 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 18:52:11,868 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 18:52:11,868 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-10-29 18:52:11,868 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-29 18:52:11,868 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 16 [2020-10-29 18:52:11,868 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 18:52:11,920 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-29 18:52:11,922 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 18:52:11,926 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 18:52:11,933 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 18:52:11,933 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-29 18:52:11,934 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 18:52:11,934 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 10 [2020-10-29 18:52:11,934 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 18:52:11,934 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 18:52:11,934 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-29 18:52:11,935 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-29 18:52:11,935 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 9 [2020-10-29 18:52:11,935 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 18:52:11,947 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 63 [2020-10-29 18:52:11,950 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 18:52:11,954 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 18:52:11,960 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 18:52:11,961 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-29 18:52:11,961 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 18:52:11,961 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 9 [2020-10-29 18:52:11,961 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 18:52:11,961 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 18:52:11,962 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 18:52:11,962 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 18:52:11,962 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-29 18:52:11,962 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 18:52:12,010 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2020-10-29 18:52:12,017 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 18:52:12,025 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 18:52:12,113 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 18:52:12,113 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 14 [2020-10-29 18:52:12,113 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 18:52:12,114 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 95 [2020-10-29 18:52:12,114 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 18:52:12,114 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 18:52:12,114 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 11 [2020-10-29 18:52:12,114 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-29 18:52:12,115 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 14 [2020-10-29 18:52:12,115 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 18:52:12,196 ERROR L253 erpolLogProxyWrapper]: Symbol error in Interpolant 1: A-local: [(|#memory_int_-1| (Array Int (Array Int Int)))], B-local: []. [2020-10-29 18:52:12,200 ERROR L253 erpolLogProxyWrapper]: Symbol error in Interpolant 2: A-local: [(|#memory_int_-1| (Array Int (Array Int Int)))], B-local: []. [2020-10-29 18:52:12,212 ERROR L253 erpolLogProxyWrapper]: Symbol error in Interpolant 3: A-local: [(|#memory_int_-1| (Array Int (Array Int Int)))], B-local: []. [2020-10-29 18:52:12,235 ERROR L253 erpolLogProxyWrapper]: Symbol error in Interpolant 4: A-local: [(|#memory_int_-1| (Array Int (Array Int Int)))], B-local: []. [2020-10-29 18:52:12,240 ERROR L253 erpolLogProxyWrapper]: Interpolant 5 not inductive [2020-10-29 18:52:12,247 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2020-10-29 18:52:12,248 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:851) 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:109) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.IpTcStrategyModuleBase.getOrConstruct(IpTcStrategyModuleBase.java:100) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.IpTcStrategyModuleBase.isCorrect(IpTcStrategyModuleBase.java:56) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.AutomatonFreeRefinementEngine.checkFeasibility(AutomatonFreeRefinementEngine.java:241) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.AutomatonFreeRefinementEngine.executeStrategy(AutomatonFreeRefinementEngine.java:165) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.AutomatonFreeRefinementEngine.(AutomatonFreeRefinementEngine.java:84) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.TraceAbstractionRefinementEngine.(TraceAbstractionRefinementEngine.java:74) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.BasicCegarLoop.isCounterexampleFeasible(BasicCegarLoop.java:511) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.AbstractCegarLoop.iterateInternal(AbstractCegarLoop.java:438) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.AbstractCegarLoop.iterate(AbstractCegarLoop.java:372) 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:341) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.runCegarLoops(TraceAbstractionStarter.java:182) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.(TraceAbstractionStarter.java:134) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver.finish(TraceAbstractionObserver.java:124) 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:320) at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.DefaultToolchainJob.run(DefaultToolchainJob.java:145) at org.eclipse.core.internal.jobs.Worker.run(Worker.java:63) [2020-10-29 18:52:12,255 INFO L168 Benchmark]: Toolchain (without parser) took 181105.61 ms. Allocated memory was 151.0 MB in the beginning and 1.0 GB in the end (delta: 851.4 MB). Free memory was 120.6 MB in the beginning and 874.0 MB in the end (delta: -753.5 MB). Peak memory consumption was 670.5 MB. Max. memory is 8.0 GB. [2020-10-29 18:52:12,256 INFO L168 Benchmark]: CDTParser took 0.16 ms. Allocated memory is still 151.0 MB. Free memory is still 123.3 MB. There was no memory consumed. Max. memory is 8.0 GB. [2020-10-29 18:52:12,256 INFO L168 Benchmark]: CACSL2BoogieTranslator took 1671.47 ms. Allocated memory is still 151.0 MB. Free memory was 120.0 MB in the beginning and 57.7 MB in the end (delta: 62.2 MB). Peak memory consumption was 62.8 MB. Max. memory is 8.0 GB. [2020-10-29 18:52:12,257 INFO L168 Benchmark]: Boogie Preprocessor took 384.36 ms. Allocated memory was 151.0 MB in the beginning and 189.8 MB in the end (delta: 38.8 MB). Free memory was 57.7 MB in the beginning and 151.0 MB in the end (delta: -93.2 MB). Peak memory consumption was 38.9 MB. Max. memory is 8.0 GB. [2020-10-29 18:52:12,260 INFO L168 Benchmark]: RCFGBuilder took 3966.83 ms. Allocated memory was 189.8 MB in the beginning and 276.8 MB in the end (delta: 87.0 MB). Free memory was 151.0 MB in the beginning and 197.3 MB in the end (delta: -46.3 MB). Peak memory consumption was 126.2 MB. Max. memory is 8.0 GB. [2020-10-29 18:52:12,264 INFO L168 Benchmark]: TraceAbstraction took 175068.67 ms. Allocated memory was 276.8 MB in the beginning and 1.0 GB in the end (delta: 725.6 MB). Free memory was 196.8 MB in the beginning and 874.0 MB in the end (delta: -677.2 MB). Peak memory consumption was 619.8 MB. Max. memory is 8.0 GB. [2020-10-29 18:52:12,274 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.16 ms. Allocated memory is still 151.0 MB. Free memory is still 123.3 MB. There was no memory consumed. Max. memory is 8.0 GB. * CACSL2BoogieTranslator took 1671.47 ms. Allocated memory is still 151.0 MB. Free memory was 120.0 MB in the beginning and 57.7 MB in the end (delta: 62.2 MB). Peak memory consumption was 62.8 MB. Max. memory is 8.0 GB. * Boogie Preprocessor took 384.36 ms. Allocated memory was 151.0 MB in the beginning and 189.8 MB in the end (delta: 38.8 MB). Free memory was 57.7 MB in the beginning and 151.0 MB in the end (delta: -93.2 MB). Peak memory consumption was 38.9 MB. Max. memory is 8.0 GB. * RCFGBuilder took 3966.83 ms. Allocated memory was 189.8 MB in the beginning and 276.8 MB in the end (delta: 87.0 MB). Free memory was 151.0 MB in the beginning and 197.3 MB in the end (delta: -46.3 MB). Peak memory consumption was 126.2 MB. Max. memory is 8.0 GB. * TraceAbstraction took 175068.67 ms. Allocated memory was 276.8 MB in the beginning and 1.0 GB in the end (delta: 725.6 MB). Free memory was 196.8 MB in the beginning and 874.0 MB in the end (delta: -677.2 MB). Peak memory consumption was 619.8 MB. Max. memory is 8.0 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...