/usr/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata ./data -tc ../../../trunk/examples/toolchains/AutomizerC.xml --traceabstraction.trace.refinement.strategy FIXED_PREFERENCES --traceabstraction.compute.interpolants.along.a.counterexample Craig_NestedInterpolation --traceabstraction.smt.solver Internal_SMTInterpol --traceabstraction.compute.trace.for.counterexample.result false --rcfgbuilder.size.of.a.code.block SequenceOfStatements --traceabstraction.use.minimal.unsat.core.enumeration true --traceabstraction.additional.smt.options produce-proofs=true --traceabstraction.additional.smt.options produce-unsat-cores=true --traceabstraction.additional.smt.options enumeration-timeout=5000 --traceabstraction.additional.smt.options interpolation-heuristic=BIGGEST --traceabstraction.additional.smt.options log-additional-information=true --traceabstraction.additional.smt.options unknown-allowed=true -s ../../../trunk/examples/settings/default/automizer/svcomp-Reach-64bit-Automizer_Default.epf -i ../../../trunk/examples/svcomp/ldv-linux-3.0/usb_urb-drivers-usb-serial-whiteheat.ko.cil.out.i -------------------------------------------------------------------------------- This is Ultimate 0.1.25-adbd35c [2020-10-12 23:06:20,091 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-10-12 23:06:20,093 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-10-12 23:06:20,124 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-10-12 23:06:20,124 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-10-12 23:06:20,132 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-10-12 23:06:20,134 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-10-12 23:06:20,138 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-10-12 23:06:20,140 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-10-12 23:06:20,142 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-10-12 23:06:20,143 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-10-12 23:06:20,145 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-10-12 23:06:20,145 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-10-12 23:06:20,147 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-10-12 23:06:20,149 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-10-12 23:06:20,151 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-10-12 23:06:20,152 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-10-12 23:06:20,154 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-10-12 23:06:20,156 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-10-12 23:06:20,163 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-10-12 23:06:20,165 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-10-12 23:06:20,166 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-10-12 23:06:20,167 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-10-12 23:06:20,168 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-10-12 23:06:20,180 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-10-12 23:06:20,180 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-10-12 23:06:20,180 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-10-12 23:06:20,184 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-10-12 23:06:20,185 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-10-12 23:06:20,185 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-10-12 23:06:20,186 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-10-12 23:06:20,189 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-10-12 23:06:20,190 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-10-12 23:06:20,191 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-10-12 23:06:20,197 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-10-12 23:06:20,197 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-10-12 23:06:20,197 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-10-12 23:06:20,198 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-10-12 23:06:20,198 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-10-12 23:06:20,198 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-10-12 23:06:20,200 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-10-12 23:06:20,201 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 [2020-10-12 23:06:20,243 INFO L113 SettingsManager]: Loading preferences was successful [2020-10-12 23:06:20,243 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-10-12 23:06:20,245 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-10-12 23:06:20,245 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-10-12 23:06:20,245 INFO L138 SettingsManager]: * Use SBE=true [2020-10-12 23:06:20,246 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-10-12 23:06:20,246 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-10-12 23:06:20,246 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-10-12 23:06:20,246 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-10-12 23:06:20,246 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-10-12 23:06:20,246 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-10-12 23:06:20,247 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-10-12 23:06:20,247 INFO L138 SettingsManager]: * Use constant arrays=true [2020-10-12 23:06:20,248 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-10-12 23:06:20,248 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-10-12 23:06:20,248 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-10-12 23:06:20,248 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-10-12 23:06:20,249 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-10-12 23:06:20,249 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-10-12 23:06:20,249 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-10-12 23:06:20,249 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-10-12 23:06:20,249 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-10-12 23:06:20,250 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-10-12 23:06:20,250 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-10-12 23:06:20,250 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-10-12 23:06:20,250 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-10-12 23:06:20,250 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2020-10-12 23:06:20,251 INFO L138 SettingsManager]: * To the following directory=dump/ Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Trace refinement strategy -> FIXED_PREFERENCES Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute Interpolants along a Counterexample -> Craig_NestedInterpolation Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: SMT solver -> Internal_SMTInterpol Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute trace for counterexample result -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder: Size of a code block -> SequenceOfStatements Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Use minimal unsat core enumeration -> true Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=5000;interpolation-heuristic=BIGGEST;log-additional-information=true;unknown-allowed=true; Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=5000;interpolation-heuristic=BIGGEST;log-additional-information=true;unknown-allowed=true; Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=5000;interpolation-heuristic=BIGGEST;log-additional-information=true;unknown-allowed=true; Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=5000;interpolation-heuristic=BIGGEST;log-additional-information=true;unknown-allowed=true; Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=5000;interpolation-heuristic=BIGGEST;log-additional-information=true;unknown-allowed=true; Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=5000;interpolation-heuristic=BIGGEST;log-additional-information=true;unknown-allowed=true; [2020-10-12 23:06:20,560 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-10-12 23:06:20,569 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-10-12 23:06:20,574 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-10-12 23:06:20,576 INFO L271 PluginConnector]: Initializing CDTParser... [2020-10-12 23:06:20,576 INFO L275 PluginConnector]: CDTParser initialized [2020-10-12 23:06:20,577 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/ldv-linux-3.0/usb_urb-drivers-usb-serial-whiteheat.ko.cil.out.i [2020-10-12 23:06:20,656 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/f5bf1854c/34793885b7344ff08d23afe92673482f/FLAG2e3cbe771 [2020-10-12 23:06:21,469 INFO L306 CDTParser]: Found 1 translation units. [2020-10-12 23:06:21,469 INFO L160 CDTParser]: Scanning /storage/repos/ultimate-2/trunk/examples/svcomp/ldv-linux-3.0/usb_urb-drivers-usb-serial-whiteheat.ko.cil.out.i [2020-10-12 23:06:21,514 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/f5bf1854c/34793885b7344ff08d23afe92673482f/FLAG2e3cbe771 [2020-10-12 23:06:21,971 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/f5bf1854c/34793885b7344ff08d23afe92673482f [2020-10-12 23:06:21,981 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-10-12 23:06:21,983 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-10-12 23:06:21,983 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-10-12 23:06:21,984 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-10-12 23:06:21,987 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-10-12 23:06:21,988 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 12.10 11:06:21" (1/1) ... [2020-10-12 23:06:21,991 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6128a388 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.10 11:06:21, skipping insertion in model container [2020-10-12 23:06:21,991 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 12.10 11:06:21" (1/1) ... [2020-10-12 23:06:21,998 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-10-12 23:06:22,116 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-10-12 23:06:24,218 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-12 23:06:24,257 INFO L203 MainTranslator]: Completed pre-run [2020-10-12 23:06:24,506 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-12 23:06:24,737 INFO L208 MainTranslator]: Completed translation [2020-10-12 23:06:24,738 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.10 11:06:24 WrapperNode [2020-10-12 23:06:24,738 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-10-12 23:06:24,739 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-10-12 23:06:24,739 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-10-12 23:06:24,739 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-10-12 23:06:24,752 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.10 11:06:24" (1/1) ... [2020-10-12 23:06:24,753 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.10 11:06:24" (1/1) ... [2020-10-12 23:06:24,826 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.10 11:06:24" (1/1) ... [2020-10-12 23:06:24,827 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.10 11:06:24" (1/1) ... [2020-10-12 23:06:24,956 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.10 11:06:24" (1/1) ... [2020-10-12 23:06:24,985 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.10 11:06:24" (1/1) ... [2020-10-12 23:06:25,007 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.10 11:06:24" (1/1) ... [2020-10-12 23:06:25,036 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-10-12 23:06:25,036 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-10-12 23:06:25,036 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-10-12 23:06:25,037 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-10-12 23:06:25,039 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.10 11:06:24" (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 [2020-10-12 23:06:25,130 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-10-12 23:06:25,130 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-10-12 23:06:25,131 INFO L138 BoogieDeclarations]: Found implementation of procedure __arch_swab32 [2020-10-12 23:06:25,131 INFO L138 BoogieDeclarations]: Found implementation of procedure __fswab16 [2020-10-12 23:06:25,131 INFO L138 BoogieDeclarations]: Found implementation of procedure __fswab32 [2020-10-12 23:06:25,131 INFO L138 BoogieDeclarations]: Found implementation of procedure get_current [2020-10-12 23:06:25,132 INFO L138 BoogieDeclarations]: Found implementation of procedure INIT_LIST_HEAD [2020-10-12 23:06:25,132 INFO L138 BoogieDeclarations]: Found implementation of procedure list_add [2020-10-12 23:06:25,132 INFO L138 BoogieDeclarations]: Found implementation of procedure list_add_tail [2020-10-12 23:06:25,133 INFO L138 BoogieDeclarations]: Found implementation of procedure list_move [2020-10-12 23:06:25,133 INFO L138 BoogieDeclarations]: Found implementation of procedure list_empty [2020-10-12 23:06:25,133 INFO L138 BoogieDeclarations]: Found implementation of procedure spinlock_check [2020-10-12 23:06:25,134 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_lock [2020-10-12 23:06:25,134 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_lock_irq [2020-10-12 23:06:25,134 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock [2020-10-12 23:06:25,134 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock_irq [2020-10-12 23:06:25,135 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock_irqrestore [2020-10-12 23:06:25,137 INFO L138 BoogieDeclarations]: Found implementation of procedure kmalloc [2020-10-12 23:06:25,137 INFO L138 BoogieDeclarations]: Found implementation of procedure copy_to_user [2020-10-12 23:06:25,138 INFO L138 BoogieDeclarations]: Found implementation of procedure device_private_init [2020-10-12 23:06:25,138 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_get_drvdata [2020-10-12 23:06:25,138 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_set_drvdata [2020-10-12 23:06:25,138 INFO L138 BoogieDeclarations]: Found implementation of procedure tty_insert_flip_string [2020-10-12 23:06:25,138 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_register [2020-10-12 23:06:25,139 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_fill_bulk_urb [2020-10-12 23:06:25,139 INFO L138 BoogieDeclarations]: Found implementation of procedure __create_pipe [2020-10-12 23:06:25,139 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_get_serial_port_data [2020-10-12 23:06:25,140 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_set_serial_port_data [2020-10-12 23:06:25,140 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_serial_debug_data [2020-10-12 23:06:25,140 INFO L138 BoogieDeclarations]: Found implementation of procedure ihex_next_binrec [2020-10-12 23:06:25,140 INFO L138 BoogieDeclarations]: Found implementation of procedure ihex_validate_fw [2020-10-12 23:06:25,140 INFO L138 BoogieDeclarations]: Found implementation of procedure request_ihex_firmware [2020-10-12 23:06:25,140 INFO L138 BoogieDeclarations]: Found implementation of procedure whiteheat_firmware_download [2020-10-12 23:06:25,140 INFO L138 BoogieDeclarations]: Found implementation of procedure whiteheat_firmware_attach [2020-10-12 23:06:25,140 INFO L138 BoogieDeclarations]: Found implementation of procedure whiteheat_attach [2020-10-12 23:06:25,141 INFO L138 BoogieDeclarations]: Found implementation of procedure whiteheat_release [2020-10-12 23:06:25,141 INFO L138 BoogieDeclarations]: Found implementation of procedure whiteheat_open [2020-10-12 23:06:25,141 INFO L138 BoogieDeclarations]: Found implementation of procedure whiteheat_close [2020-10-12 23:06:25,141 INFO L138 BoogieDeclarations]: Found implementation of procedure whiteheat_write [2020-10-12 23:06:25,141 INFO L138 BoogieDeclarations]: Found implementation of procedure whiteheat_write_room [2020-10-12 23:06:25,141 INFO L138 BoogieDeclarations]: Found implementation of procedure whiteheat_tiocmget [2020-10-12 23:06:25,141 INFO L138 BoogieDeclarations]: Found implementation of procedure whiteheat_tiocmset [2020-10-12 23:06:25,142 INFO L138 BoogieDeclarations]: Found implementation of procedure whiteheat_ioctl [2020-10-12 23:06:25,142 INFO L138 BoogieDeclarations]: Found implementation of procedure whiteheat_set_termios [2020-10-12 23:06:25,142 INFO L138 BoogieDeclarations]: Found implementation of procedure whiteheat_break_ctl [2020-10-12 23:06:25,142 INFO L138 BoogieDeclarations]: Found implementation of procedure whiteheat_chars_in_buffer [2020-10-12 23:06:25,142 INFO L138 BoogieDeclarations]: Found implementation of procedure whiteheat_throttle [2020-10-12 23:06:25,142 INFO L138 BoogieDeclarations]: Found implementation of procedure whiteheat_unthrottle [2020-10-12 23:06:25,142 INFO L138 BoogieDeclarations]: Found implementation of procedure command_port_write_callback [2020-10-12 23:06:25,143 INFO L138 BoogieDeclarations]: Found implementation of procedure command_port_read_callback [2020-10-12 23:06:25,143 INFO L138 BoogieDeclarations]: Found implementation of procedure whiteheat_read_callback [2020-10-12 23:06:25,143 INFO L138 BoogieDeclarations]: Found implementation of procedure whiteheat_write_callback [2020-10-12 23:06:25,143 INFO L138 BoogieDeclarations]: Found implementation of procedure firm_send_command [2020-10-12 23:06:25,144 INFO L138 BoogieDeclarations]: Found implementation of procedure firm_open [2020-10-12 23:06:25,144 INFO L138 BoogieDeclarations]: Found implementation of procedure firm_close [2020-10-12 23:06:25,144 INFO L138 BoogieDeclarations]: Found implementation of procedure firm_setup_port [2020-10-12 23:06:25,144 INFO L138 BoogieDeclarations]: Found implementation of procedure firm_set_rts [2020-10-12 23:06:25,144 INFO L138 BoogieDeclarations]: Found implementation of procedure firm_set_dtr [2020-10-12 23:06:25,145 INFO L138 BoogieDeclarations]: Found implementation of procedure firm_set_break [2020-10-12 23:06:25,145 INFO L138 BoogieDeclarations]: Found implementation of procedure firm_purge [2020-10-12 23:06:25,145 INFO L138 BoogieDeclarations]: Found implementation of procedure firm_get_dtr_rts [2020-10-12 23:06:25,145 INFO L138 BoogieDeclarations]: Found implementation of procedure firm_report_tx_done [2020-10-12 23:06:25,145 INFO L138 BoogieDeclarations]: Found implementation of procedure start_command_port [2020-10-12 23:06:25,145 INFO L138 BoogieDeclarations]: Found implementation of procedure stop_command_port [2020-10-12 23:06:25,145 INFO L138 BoogieDeclarations]: Found implementation of procedure start_port_read [2020-10-12 23:06:25,146 INFO L138 BoogieDeclarations]: Found implementation of procedure urb_to_wrap [2020-10-12 23:06:25,146 INFO L138 BoogieDeclarations]: Found implementation of procedure list_first [2020-10-12 23:06:25,146 INFO L138 BoogieDeclarations]: Found implementation of procedure rx_data_softint [2020-10-12 23:06:25,146 INFO L138 BoogieDeclarations]: Found implementation of procedure whiteheat_init [2020-10-12 23:06:25,146 INFO L138 BoogieDeclarations]: Found implementation of procedure whiteheat_exit [2020-10-12 23:06:25,147 INFO L138 BoogieDeclarations]: Found implementation of procedure init_module [2020-10-12 23:06:25,147 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup_module [2020-10-12 23:06:25,147 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-10-12 23:06:25,148 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_blast_assert [2020-10-12 23:06:25,149 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assume_stop [2020-10-12 23:06:25,149 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_alloc_coherent [2020-10-12 23:06:25,149 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_free_coherent [2020-10-12 23:06:25,149 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_alloc_urb [2020-10-12 23:06:25,149 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_free_urb [2020-10-12 23:06:25,149 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_final_state [2020-10-12 23:06:25,149 INFO L138 BoogieDeclarations]: Found implementation of procedure __init_waitqueue_head [2020-10-12 23:06:25,150 INFO L138 BoogieDeclarations]: Found implementation of procedure __init_work [2020-10-12 23:06:25,150 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2020-10-12 23:06:25,150 INFO L138 BoogieDeclarations]: Found implementation of procedure __kmalloc [2020-10-12 23:06:25,151 INFO L138 BoogieDeclarations]: Found implementation of procedure __list_add [2020-10-12 23:06:25,151 INFO L138 BoogieDeclarations]: Found implementation of procedure __list_del_entry [2020-10-12 23:06:25,151 INFO L138 BoogieDeclarations]: Found implementation of procedure __mutex_init [2020-10-12 23:06:25,151 INFO L138 BoogieDeclarations]: Found implementation of procedure __raw_spin_lock_init [2020-10-12 23:06:25,152 INFO L138 BoogieDeclarations]: Found implementation of procedure __wake_up [2020-10-12 23:06:25,152 INFO L138 BoogieDeclarations]: Found implementation of procedure _copy_to_user [2020-10-12 23:06:25,152 INFO L138 BoogieDeclarations]: Found implementation of procedure _dev_info [2020-10-12 23:06:25,152 INFO L138 BoogieDeclarations]: Found implementation of procedure _raw_spin_lock [2020-10-12 23:06:25,152 INFO L138 BoogieDeclarations]: Found implementation of procedure _raw_spin_lock_irq [2020-10-12 23:06:25,152 INFO L138 BoogieDeclarations]: Found implementation of procedure _raw_spin_lock_irqsave [2020-10-12 23:06:25,152 INFO L138 BoogieDeclarations]: Found implementation of procedure _raw_spin_unlock [2020-10-12 23:06:25,152 INFO L138 BoogieDeclarations]: Found implementation of procedure _raw_spin_unlock_irq [2020-10-12 23:06:25,153 INFO L138 BoogieDeclarations]: Found implementation of procedure _raw_spin_unlock_irqrestore [2020-10-12 23:06:25,153 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_err [2020-10-12 23:06:25,153 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_printk [2020-10-12 23:06:25,154 INFO L138 BoogieDeclarations]: Found implementation of procedure ezusb_set_reset [2020-10-12 23:06:25,154 INFO L138 BoogieDeclarations]: Found implementation of procedure ezusb_writememory [2020-10-12 23:06:25,154 INFO L138 BoogieDeclarations]: Found implementation of procedure finish_wait [2020-10-12 23:06:25,154 INFO L138 BoogieDeclarations]: Found implementation of procedure kzalloc [2020-10-12 23:06:25,154 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_return_value [2020-10-12 23:06:25,154 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_initialize [2020-10-12 23:06:25,154 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undefined_pointer [2020-10-12 23:06:25,155 INFO L138 BoogieDeclarations]: Found implementation of procedure list_del [2020-10-12 23:06:25,155 INFO L138 BoogieDeclarations]: Found implementation of procedure lockdep_init_map [2020-10-12 23:06:25,155 INFO L138 BoogieDeclarations]: Found implementation of procedure might_fault [2020-10-12 23:06:25,155 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_lock_nested [2020-10-12 23:06:25,155 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_unlock [2020-10-12 23:06:25,155 INFO L138 BoogieDeclarations]: Found implementation of procedure prepare_to_wait [2020-10-12 23:06:25,156 INFO L138 BoogieDeclarations]: Found implementation of procedure printk [2020-10-12 23:06:25,156 INFO L138 BoogieDeclarations]: Found implementation of procedure release_firmware [2020-10-12 23:06:25,156 INFO L138 BoogieDeclarations]: Found implementation of procedure request_firmware [2020-10-12 23:06:25,156 INFO L138 BoogieDeclarations]: Found implementation of procedure schedule_timeout [2020-10-12 23:06:25,156 INFO L138 BoogieDeclarations]: Found implementation of procedure schedule_work [2020-10-12 23:06:25,157 INFO L138 BoogieDeclarations]: Found implementation of procedure tty_encode_baud_rate [2020-10-12 23:06:25,157 INFO L138 BoogieDeclarations]: Found implementation of procedure tty_flip_buffer_push [2020-10-12 23:06:25,157 INFO L138 BoogieDeclarations]: Found implementation of procedure tty_get_baud_rate [2020-10-12 23:06:25,157 INFO L138 BoogieDeclarations]: Found implementation of procedure tty_insert_flip_string_fixed_flag [2020-10-12 23:06:25,158 INFO L138 BoogieDeclarations]: Found implementation of procedure tty_kref_put [2020-10-12 23:06:25,158 INFO L138 BoogieDeclarations]: Found implementation of procedure tty_port_tty_get [2020-10-12 23:06:25,158 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_bulk_msg [2020-10-12 23:06:25,158 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_clear_halt [2020-10-12 23:06:25,159 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_deregister [2020-10-12 23:06:25,159 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_kill_urb [2020-10-12 23:06:25,159 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_register_driver [2020-10-12 23:06:25,160 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_serial_deregister [2020-10-12 23:06:25,163 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_serial_port_softint [2020-10-12 23:06:25,163 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_serial_register [2020-10-12 23:06:25,163 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_submit_urb [2020-10-12 23:06:25,164 INFO L138 BoogieDeclarations]: Found implementation of procedure autoremove_wake_function [2020-10-12 23:06:25,164 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree [2020-10-12 23:06:25,164 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2020-10-12 23:06:25,164 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy [2020-10-12 23:06:25,165 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2020-10-12 23:06:25,165 INFO L130 BoogieDeclarations]: Found specification of procedure __arch_swab32 [2020-10-12 23:06:25,165 INFO L130 BoogieDeclarations]: Found specification of procedure __fswab16 [2020-10-12 23:06:25,166 INFO L130 BoogieDeclarations]: Found specification of procedure __fswab32 [2020-10-12 23:06:25,166 INFO L130 BoogieDeclarations]: Found specification of procedure printk [2020-10-12 23:06:25,166 INFO L130 BoogieDeclarations]: Found specification of procedure might_fault [2020-10-12 23:06:25,166 INFO L130 BoogieDeclarations]: Found specification of procedure __bad_percpu_size [2020-10-12 23:06:25,166 INFO L130 BoogieDeclarations]: Found specification of procedure get_current [2020-10-12 23:06:25,167 INFO L130 BoogieDeclarations]: Found specification of procedure memcpy [2020-10-12 23:06:25,174 INFO L130 BoogieDeclarations]: Found specification of procedure memset [2020-10-12 23:06:25,175 INFO L130 BoogieDeclarations]: Found specification of procedure INIT_LIST_HEAD [2020-10-12 23:06:25,175 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2020-10-12 23:06:25,175 INFO L130 BoogieDeclarations]: Found specification of procedure __list_add [2020-10-12 23:06:25,175 INFO L130 BoogieDeclarations]: Found specification of procedure list_add [2020-10-12 23:06:25,176 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2020-10-12 23:06:25,176 INFO L130 BoogieDeclarations]: Found specification of procedure list_add_tail [2020-10-12 23:06:25,176 INFO L130 BoogieDeclarations]: Found specification of procedure __list_del_entry [2020-10-12 23:06:25,176 INFO L130 BoogieDeclarations]: Found specification of procedure list_del [2020-10-12 23:06:25,176 INFO L130 BoogieDeclarations]: Found specification of procedure list_move [2020-10-12 23:06:25,176 INFO L130 BoogieDeclarations]: Found specification of procedure list_empty [2020-10-12 23:06:25,176 INFO L130 BoogieDeclarations]: Found specification of procedure lockdep_init_map [2020-10-12 23:06:25,176 INFO L130 BoogieDeclarations]: Found specification of procedure __raw_spin_lock_init [2020-10-12 23:06:25,177 INFO L130 BoogieDeclarations]: Found specification of procedure _raw_spin_lock [2020-10-12 23:06:25,177 INFO L130 BoogieDeclarations]: Found specification of procedure _raw_spin_lock_irq [2020-10-12 23:06:25,177 INFO L130 BoogieDeclarations]: Found specification of procedure _raw_spin_lock_irqsave [2020-10-12 23:06:25,177 INFO L130 BoogieDeclarations]: Found specification of procedure _raw_spin_unlock [2020-10-12 23:06:25,177 INFO L130 BoogieDeclarations]: Found specification of procedure _raw_spin_unlock_irq [2020-10-12 23:06:25,177 INFO L130 BoogieDeclarations]: Found specification of procedure _raw_spin_unlock_irqrestore [2020-10-12 23:06:25,177 INFO L130 BoogieDeclarations]: Found specification of procedure spinlock_check [2020-10-12 23:06:25,178 INFO L130 BoogieDeclarations]: Found specification of procedure spin_lock [2020-10-12 23:06:25,178 INFO L130 BoogieDeclarations]: Found specification of procedure spin_lock_irq [2020-10-12 23:06:25,178 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock [2020-10-12 23:06:25,178 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock_irq [2020-10-12 23:06:25,178 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock_irqrestore [2020-10-12 23:06:25,178 INFO L130 BoogieDeclarations]: Found specification of procedure __init_waitqueue_head [2020-10-12 23:06:25,178 INFO L130 BoogieDeclarations]: Found specification of procedure __wake_up [2020-10-12 23:06:25,178 INFO L130 BoogieDeclarations]: Found specification of procedure prepare_to_wait [2020-10-12 23:06:25,179 INFO L130 BoogieDeclarations]: Found specification of procedure finish_wait [2020-10-12 23:06:25,179 INFO L130 BoogieDeclarations]: Found specification of procedure autoremove_wake_function [2020-10-12 23:06:25,179 INFO L130 BoogieDeclarations]: Found specification of procedure __mutex_init [2020-10-12 23:06:25,179 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_lock_nested [2020-10-12 23:06:25,179 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_unlock [2020-10-12 23:06:25,179 INFO L130 BoogieDeclarations]: Found specification of procedure __init_work [2020-10-12 23:06:25,179 INFO L130 BoogieDeclarations]: Found specification of procedure schedule_work [2020-10-12 23:06:25,180 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2020-10-12 23:06:25,180 INFO L130 BoogieDeclarations]: Found specification of procedure kzalloc [2020-10-12 23:06:25,180 INFO L130 BoogieDeclarations]: Found specification of procedure __kmalloc [2020-10-12 23:06:25,180 INFO L130 BoogieDeclarations]: Found specification of procedure kmalloc [2020-10-12 23:06:25,180 INFO L130 BoogieDeclarations]: Found specification of procedure _copy_to_user [2020-10-12 23:06:25,180 INFO L130 BoogieDeclarations]: Found specification of procedure copy_to_user [2020-10-12 23:06:25,180 INFO L130 BoogieDeclarations]: Found specification of procedure init_module [2020-10-12 23:06:25,180 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup_module [2020-10-12 23:06:25,181 INFO L130 BoogieDeclarations]: Found specification of procedure device_private_init [2020-10-12 23:06:25,181 INFO L130 BoogieDeclarations]: Found specification of procedure dev_get_drvdata [2020-10-12 23:06:25,181 INFO L130 BoogieDeclarations]: Found specification of procedure dev_set_drvdata [2020-10-12 23:06:25,181 INFO L130 BoogieDeclarations]: Found specification of procedure dev_printk [2020-10-12 23:06:25,181 INFO L130 BoogieDeclarations]: Found specification of procedure dev_err [2020-10-12 23:06:25,181 INFO L130 BoogieDeclarations]: Found specification of procedure _dev_info [2020-10-12 23:06:25,181 INFO L130 BoogieDeclarations]: Found specification of procedure tty_kref_put [2020-10-12 23:06:25,181 INFO L130 BoogieDeclarations]: Found specification of procedure tty_flip_buffer_push [2020-10-12 23:06:25,182 INFO L130 BoogieDeclarations]: Found specification of procedure tty_get_baud_rate [2020-10-12 23:06:25,182 INFO L130 BoogieDeclarations]: Found specification of procedure tty_encode_baud_rate [2020-10-12 23:06:25,182 INFO L130 BoogieDeclarations]: Found specification of procedure tty_port_tty_get [2020-10-12 23:06:25,182 INFO L130 BoogieDeclarations]: Found specification of procedure tty_insert_flip_string_fixed_flag [2020-10-12 23:06:25,182 INFO L130 BoogieDeclarations]: Found specification of procedure tty_insert_flip_string [2020-10-12 23:06:25,182 INFO L130 BoogieDeclarations]: Found specification of procedure schedule_timeout [2020-10-12 23:06:25,182 INFO L130 BoogieDeclarations]: Found specification of procedure usb_register_driver [2020-10-12 23:06:25,183 INFO L130 BoogieDeclarations]: Found specification of procedure usb_register [2020-10-12 23:06:25,183 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-10-12 23:06:25,183 INFO L130 BoogieDeclarations]: Found specification of procedure usb_deregister [2020-10-12 23:06:25,183 INFO L130 BoogieDeclarations]: Found specification of procedure usb_fill_bulk_urb [2020-10-12 23:06:25,183 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-10-12 23:06:25,183 INFO L130 BoogieDeclarations]: Found specification of procedure usb_alloc_urb [2020-10-12 23:06:25,183 INFO L130 BoogieDeclarations]: Found specification of procedure usb_free_urb [2020-10-12 23:06:25,184 INFO L130 BoogieDeclarations]: Found specification of procedure usb_submit_urb [2020-10-12 23:06:25,184 INFO L130 BoogieDeclarations]: Found specification of procedure usb_kill_urb [2020-10-12 23:06:25,184 INFO L130 BoogieDeclarations]: Found specification of procedure usb_alloc_coherent [2020-10-12 23:06:25,184 INFO L130 BoogieDeclarations]: Found specification of procedure usb_free_coherent [2020-10-12 23:06:25,184 INFO L130 BoogieDeclarations]: Found specification of procedure usb_bulk_msg [2020-10-12 23:06:25,184 INFO L130 BoogieDeclarations]: Found specification of procedure usb_clear_halt [2020-10-12 23:06:25,184 INFO L130 BoogieDeclarations]: Found specification of procedure __create_pipe [2020-10-12 23:06:25,185 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2020-10-12 23:06:25,185 INFO L130 BoogieDeclarations]: Found specification of procedure usb_get_serial_port_data [2020-10-12 23:06:25,185 INFO L130 BoogieDeclarations]: Found specification of procedure usb_set_serial_port_data [2020-10-12 23:06:25,185 INFO L130 BoogieDeclarations]: Found specification of procedure usb_serial_register [2020-10-12 23:06:25,185 INFO L130 BoogieDeclarations]: Found specification of procedure usb_serial_deregister [2020-10-12 23:06:25,185 INFO L130 BoogieDeclarations]: Found specification of procedure usb_serial_port_softint [2020-10-12 23:06:25,185 INFO L130 BoogieDeclarations]: Found specification of procedure usb_serial_probe [2020-10-12 23:06:25,185 INFO L130 BoogieDeclarations]: Found specification of procedure usb_serial_disconnect [2020-10-12 23:06:25,186 INFO L130 BoogieDeclarations]: Found specification of procedure ezusb_writememory [2020-10-12 23:06:25,186 INFO L130 BoogieDeclarations]: Found specification of procedure ezusb_set_reset [2020-10-12 23:06:25,186 INFO L130 BoogieDeclarations]: Found specification of procedure usb_serial_debug_data [2020-10-12 23:06:25,186 INFO L130 BoogieDeclarations]: Found specification of procedure request_firmware [2020-10-12 23:06:25,186 INFO L130 BoogieDeclarations]: Found specification of procedure release_firmware [2020-10-12 23:06:25,186 INFO L130 BoogieDeclarations]: Found specification of procedure ihex_next_binrec [2020-10-12 23:06:25,186 INFO L130 BoogieDeclarations]: Found specification of procedure ihex_validate_fw [2020-10-12 23:06:25,186 INFO L130 BoogieDeclarations]: Found specification of procedure request_ihex_firmware [2020-10-12 23:06:25,187 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-10-12 23:06:25,187 INFO L130 BoogieDeclarations]: Found specification of procedure whiteheat_firmware_download [2020-10-12 23:06:25,187 INFO L130 BoogieDeclarations]: Found specification of procedure whiteheat_firmware_attach [2020-10-12 23:06:25,187 INFO L130 BoogieDeclarations]: Found specification of procedure whiteheat_attach [2020-10-12 23:06:25,187 INFO L130 BoogieDeclarations]: Found specification of procedure whiteheat_release [2020-10-12 23:06:25,187 INFO L130 BoogieDeclarations]: Found specification of procedure whiteheat_open [2020-10-12 23:06:25,187 INFO L130 BoogieDeclarations]: Found specification of procedure whiteheat_close [2020-10-12 23:06:25,187 INFO L130 BoogieDeclarations]: Found specification of procedure whiteheat_write [2020-10-12 23:06:25,188 INFO L130 BoogieDeclarations]: Found specification of procedure whiteheat_write_room [2020-10-12 23:06:25,188 INFO L130 BoogieDeclarations]: Found specification of procedure whiteheat_ioctl [2020-10-12 23:06:25,188 INFO L130 BoogieDeclarations]: Found specification of procedure whiteheat_set_termios [2020-10-12 23:06:25,188 INFO L130 BoogieDeclarations]: Found specification of procedure whiteheat_tiocmget [2020-10-12 23:06:25,188 INFO L130 BoogieDeclarations]: Found specification of procedure whiteheat_tiocmset [2020-10-12 23:06:25,188 INFO L130 BoogieDeclarations]: Found specification of procedure whiteheat_break_ctl [2020-10-12 23:06:25,188 INFO L130 BoogieDeclarations]: Found specification of procedure whiteheat_chars_in_buffer [2020-10-12 23:06:25,188 INFO L130 BoogieDeclarations]: Found specification of procedure whiteheat_throttle [2020-10-12 23:06:25,189 INFO L130 BoogieDeclarations]: Found specification of procedure whiteheat_unthrottle [2020-10-12 23:06:25,189 INFO L130 BoogieDeclarations]: Found specification of procedure whiteheat_read_callback [2020-10-12 23:06:25,189 INFO L130 BoogieDeclarations]: Found specification of procedure whiteheat_write_callback [2020-10-12 23:06:25,189 INFO L130 BoogieDeclarations]: Found specification of procedure start_command_port [2020-10-12 23:06:25,189 INFO L130 BoogieDeclarations]: Found specification of procedure stop_command_port [2020-10-12 23:06:25,189 INFO L130 BoogieDeclarations]: Found specification of procedure command_port_write_callback [2020-10-12 23:06:25,190 INFO L130 BoogieDeclarations]: Found specification of procedure command_port_read_callback [2020-10-12 23:06:25,194 INFO L130 BoogieDeclarations]: Found specification of procedure start_port_read [2020-10-12 23:06:25,194 INFO L130 BoogieDeclarations]: Found specification of procedure urb_to_wrap [2020-10-12 23:06:25,194 INFO L130 BoogieDeclarations]: Found specification of procedure list_first [2020-10-12 23:06:25,194 INFO L130 BoogieDeclarations]: Found specification of procedure rx_data_softint [2020-10-12 23:06:25,194 INFO L130 BoogieDeclarations]: Found specification of procedure firm_send_command [2020-10-12 23:06:25,194 INFO L130 BoogieDeclarations]: Found specification of procedure firm_open [2020-10-12 23:06:25,195 INFO L130 BoogieDeclarations]: Found specification of procedure firm_close [2020-10-12 23:06:25,195 INFO L130 BoogieDeclarations]: Found specification of procedure firm_setup_port [2020-10-12 23:06:25,195 INFO L130 BoogieDeclarations]: Found specification of procedure firm_set_rts [2020-10-12 23:06:25,195 INFO L130 BoogieDeclarations]: Found specification of procedure firm_set_dtr [2020-10-12 23:06:25,195 INFO L130 BoogieDeclarations]: Found specification of procedure firm_set_break [2020-10-12 23:06:25,195 INFO L130 BoogieDeclarations]: Found specification of procedure firm_purge [2020-10-12 23:06:25,195 INFO L130 BoogieDeclarations]: Found specification of procedure firm_get_dtr_rts [2020-10-12 23:06:25,195 INFO L130 BoogieDeclarations]: Found specification of procedure firm_report_tx_done [2020-10-12 23:06:25,195 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy [2020-10-12 23:06:25,196 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2020-10-12 23:06:25,196 INFO L130 BoogieDeclarations]: Found specification of procedure whiteheat_init [2020-10-12 23:06:25,198 INFO L130 BoogieDeclarations]: Found specification of procedure whiteheat_exit [2020-10-12 23:06:25,198 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_final_state [2020-10-12 23:06:25,198 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_return_value [2020-10-12 23:06:25,198 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_initialize [2020-10-12 23:06:25,198 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2020-10-12 23:06:25,198 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-10-12 23:06:25,199 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_blast_assert [2020-10-12 23:06:25,199 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undefined_pointer [2020-10-12 23:06:25,199 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assume_stop [2020-10-12 23:06:25,199 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_bool [2020-10-12 23:06:25,199 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2020-10-12 23:06:25,199 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2020-10-12 23:06:25,199 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2020-10-12 23:06:25,199 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_ulong [2020-10-12 23:06:25,200 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_long [2020-10-12 23:06:25,200 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_uint [2020-10-12 23:06:25,200 INFO L130 BoogieDeclarations]: Found specification of procedure free [2020-10-12 23:06:25,200 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-10-12 23:06:25,200 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-10-12 23:06:25,200 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2020-10-12 23:06:25,200 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-10-12 23:06:25,200 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2020-10-12 23:06:25,200 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2020-10-12 23:06:25,201 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2020-10-12 23:06:25,201 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int [2020-10-12 23:06:26,608 WARN L779 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2020-10-12 23:06:26,628 INFO L732 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##10: assume !false; [2020-10-12 23:06:26,628 INFO L732 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##9: assume false; [2020-10-12 23:06:26,670 WARN L779 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2020-10-12 23:06:27,020 INFO L732 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##12: assume !false; [2020-10-12 23:06:27,020 INFO L732 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##11: assume false; [2020-10-12 23:06:27,431 INFO L732 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_assume_stopFINAL: assume true; [2020-10-12 23:06:34,788 WARN L779 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2020-10-12 23:06:34,862 INFO L732 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##54: assume !false; [2020-10-12 23:06:34,863 INFO L732 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##53: assume false; [2020-10-12 23:06:35,094 WARN L779 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2020-10-12 23:06:35,198 INFO L732 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##8: assume !false; [2020-10-12 23:06:35,199 INFO L732 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##7: assume false; [2020-10-12 23:06:35,570 INFO L290 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-10-12 23:06:35,570 INFO L295 CfgBuilder]: Removed 104 assume(true) statements. [2020-10-12 23:06:35,583 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.10 11:06:35 BoogieIcfgContainer [2020-10-12 23:06:35,584 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-10-12 23:06:35,585 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-10-12 23:06:35,585 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-10-12 23:06:35,588 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-10-12 23:06:35,588 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 12.10 11:06:21" (1/3) ... [2020-10-12 23:06:35,589 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@50bc332e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 12.10 11:06:35, skipping insertion in model container [2020-10-12 23:06:35,589 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.10 11:06:24" (2/3) ... [2020-10-12 23:06:35,590 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@50bc332e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 12.10 11:06:35, skipping insertion in model container [2020-10-12 23:06:35,590 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.10 11:06:35" (3/3) ... [2020-10-12 23:06:35,591 INFO L109 eAbstractionObserver]: Analyzing ICFG usb_urb-drivers-usb-serial-whiteheat.ko.cil.out.i [2020-10-12 23:06:35,602 INFO L157 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:Craig_NestedInterpolation Determinization: PREDICATE_ABSTRACTION [2020-10-12 23:06:35,614 INFO L169 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-10-12 23:06:35,627 INFO L251 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-10-12 23:06:35,656 INFO L375 AbstractCegarLoop]: Interprodecural is true [2020-10-12 23:06:35,656 INFO L376 AbstractCegarLoop]: Hoare is true [2020-10-12 23:06:35,656 INFO L377 AbstractCegarLoop]: Compute interpolants for Craig_NestedInterpolation [2020-10-12 23:06:35,656 INFO L378 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-10-12 23:06:35,656 INFO L379 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-10-12 23:06:35,656 INFO L380 AbstractCegarLoop]: Difference is false [2020-10-12 23:06:35,656 INFO L381 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-10-12 23:06:35,656 INFO L385 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-10-12 23:06:35,701 INFO L276 IsEmpty]: Start isEmpty. Operand 1378 states. [2020-10-12 23:06:35,707 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2020-10-12 23:06:35,707 INFO L414 BasicCegarLoop]: Found error trace [2020-10-12 23:06:35,708 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-12 23:06:35,709 INFO L427 AbstractCegarLoop]: === Iteration 1 === [ldv_blast_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-12 23:06:35,714 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-12 23:06:35,715 INFO L82 PathProgramCache]: Analyzing trace with hash -1103377426, now seen corresponding path program 1 times [2020-10-12 23:06:35,722 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-12 23:06:35,723 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1057313482] [2020-10-12 23:06:35,723 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-12 23:06:36,613 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 23:06:36,926 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 23:06:46,861 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 23:06:46,861 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 42 [2020-10-12 23:06:46,861 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 23:06:46,862 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 10241 [2020-10-12 23:06:46,864 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 23:06:46,864 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-12 23:06:46,865 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-12 23:06:46,865 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 33 [2020-10-12 23:06:46,865 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 3 [2020-10-12 23:06:54,193 WARN L193 SmtUtils]: Spent 6.94 s on a formula simplification that was a NOOP. DAG size: 1345 [2020-10-12 23:06:54,199 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-12 23:06:54,382 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 23:06:54,500 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 23:06:58,019 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 23:06:58,019 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-12 23:06:58,020 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 23:06:58,020 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3634 [2020-10-12 23:06:58,020 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 23:06:58,021 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 23:06:58,021 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 23:06:58,021 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-10-12 23:06:58,022 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-12 23:06:58,284 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-12 23:06:58,285 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 23:06:58,291 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 23:06:58,296 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 23:06:58,297 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-12 23:06:58,297 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 23:06:58,297 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 10 [2020-10-12 23:06:58,298 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 23:06:58,298 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 23:06:58,298 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 23:06:58,299 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-10-12 23:06:58,299 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-12 23:06:58,307 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-10-12 23:06:58,311 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 23:06:58,320 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 23:06:58,333 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 23:06:58,333 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 17 [2020-10-12 23:06:58,334 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 23:06:58,334 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 21 [2020-10-12 23:06:58,334 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 23:06:58,334 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 23:06:58,335 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 23:06:58,335 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 14 [2020-10-12 23:06:58,335 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 23:06:58,343 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-12 23:06:58,344 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 23:06:58,349 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 23:06:58,352 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 23:06:58,352 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-12 23:06:58,352 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 23:06:58,353 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-10-12 23:06:58,353 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 23:06:58,356 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 23:06:58,356 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 23:06:58,356 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 23:06:58,356 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 3 [2020-10-12 23:06:58,383 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-12 23:06:58,384 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1057313482] [2020-10-12 23:06:58,386 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-12 23:06:58,386 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2020-10-12 23:06:58,387 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [531808495] [2020-10-12 23:06:58,392 INFO L459 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-10-12 23:06:58,392 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-12 23:06:58,406 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-10-12 23:06:58,407 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2020-10-12 23:06:58,409 INFO L87 Difference]: Start difference. First operand 1378 states. Second operand 4 states. [2020-10-12 23:07:07,622 WARN L193 SmtUtils]: Spent 6.72 s on a formula simplification that was a NOOP. DAG size: 1347 [2020-10-12 23:08:14,307 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-12 23:08:14,307 INFO L93 Difference]: Finished difference Result 4055 states and 6045 transitions. [2020-10-12 23:08:14,308 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-10-12 23:08:14,309 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 26 [2020-10-12 23:08:14,309 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-12 23:08:14,372 INFO L225 Difference]: With dead ends: 4055 [2020-10-12 23:08:14,372 INFO L226 Difference]: Without dead ends: 2756 [2020-10-12 23:08:14,389 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 13 GetRequests, 10 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 13.7s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2020-10-12 23:08:14,419 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2756 states. [2020-10-12 23:08:15,810 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2756 to 2590. [2020-10-12 23:08:15,812 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2590 states. [2020-10-12 23:08:15,831 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2590 states to 2590 states and 3365 transitions. [2020-10-12 23:08:15,834 INFO L78 Accepts]: Start accepts. Automaton has 2590 states and 3365 transitions. Word has length 26 [2020-10-12 23:08:15,835 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-12 23:08:15,835 INFO L479 AbstractCegarLoop]: Abstraction has 2590 states and 3365 transitions. [2020-10-12 23:08:15,835 INFO L480 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-10-12 23:08:15,835 INFO L276 IsEmpty]: Start isEmpty. Operand 2590 states and 3365 transitions. [2020-10-12 23:08:15,837 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2020-10-12 23:08:15,837 INFO L414 BasicCegarLoop]: Found error trace [2020-10-12 23:08:15,837 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-12 23:08:15,838 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-10-12 23:08:15,838 INFO L427 AbstractCegarLoop]: === Iteration 2 === [ldv_blast_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-12 23:08:15,838 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-12 23:08:15,839 INFO L82 PathProgramCache]: Analyzing trace with hash 154141895, now seen corresponding path program 1 times [2020-10-12 23:08:15,839 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-12 23:08:15,839 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [412180863] [2020-10-12 23:08:15,839 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-12 23:08:16,073 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 23:08:16,264 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 23:08:22,043 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 23:08:22,044 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 43 [2020-10-12 23:08:22,044 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 23:08:22,044 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5968 [2020-10-12 23:08:22,044 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 23:08:22,045 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 23:08:22,045 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-12 23:08:22,045 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 34 [2020-10-12 23:08:22,045 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 23:08:29,443 WARN L193 SmtUtils]: Spent 6.91 s on a formula simplification that was a NOOP. DAG size: 1345 [2020-10-12 23:08:29,454 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-12 23:08:29,569 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 23:08:29,671 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 23:08:33,117 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 23:08:33,118 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-12 23:08:33,118 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 23:08:33,118 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3546 [2020-10-12 23:08:33,118 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 23:08:33,118 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 23:08:33,119 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 23:08:33,119 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-10-12 23:08:33,119 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 23:08:33,288 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-12 23:08:33,289 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 23:08:33,295 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 23:08:33,299 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 23:08:33,302 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-12 23:08:33,303 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 23:08:33,303 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 9 [2020-10-12 23:08:33,303 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 23:08:33,303 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 23:08:33,303 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 23:08:33,304 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-10-12 23:08:33,304 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 23:08:33,310 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-10-12 23:08:33,327 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 23:08:33,337 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 23:08:33,354 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 23:08:33,354 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 17 [2020-10-12 23:08:33,355 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 23:08:33,355 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 26 [2020-10-12 23:08:33,355 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 23:08:33,355 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 23:08:33,355 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 23:08:33,356 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 14 [2020-10-12 23:08:33,356 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 23:08:33,363 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-12 23:08:33,364 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 23:08:33,369 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 23:08:33,371 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 23:08:33,372 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-12 23:08:33,372 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 23:08:33,372 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-12 23:08:33,372 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 23:08:33,373 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 23:08:33,373 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 23:08:33,373 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 23:08:33,373 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 23:08:33,392 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-12 23:08:33,392 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [412180863] [2020-10-12 23:08:33,393 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-12 23:08:33,393 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2020-10-12 23:08:33,393 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [893750323] [2020-10-12 23:08:33,395 INFO L459 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-10-12 23:08:33,395 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-12 23:08:33,395 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-10-12 23:08:33,396 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2020-10-12 23:08:33,396 INFO L87 Difference]: Start difference. First operand 2590 states and 3365 transitions. Second operand 4 states. [2020-10-12 23:08:42,522 WARN L193 SmtUtils]: Spent 6.82 s on a formula simplification that was a NOOP. DAG size: 1347 [2020-10-12 23:09:17,354 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-12 23:09:17,354 INFO L93 Difference]: Finished difference Result 2755 states and 3603 transitions. [2020-10-12 23:09:17,358 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-10-12 23:09:17,358 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 27 [2020-10-12 23:09:17,359 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-12 23:09:17,376 INFO L225 Difference]: With dead ends: 2755 [2020-10-12 23:09:17,376 INFO L226 Difference]: Without dead ends: 2740 [2020-10-12 23:09:17,379 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 12 GetRequests, 9 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 13.9s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2020-10-12 23:09:17,383 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2740 states. [2020-10-12 23:09:18,911 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2740 to 2577. [2020-10-12 23:09:18,911 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2577 states. [2020-10-12 23:09:18,923 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2577 states to 2577 states and 3345 transitions. [2020-10-12 23:09:18,924 INFO L78 Accepts]: Start accepts. Automaton has 2577 states and 3345 transitions. Word has length 27 [2020-10-12 23:09:18,927 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-12 23:09:18,927 INFO L479 AbstractCegarLoop]: Abstraction has 2577 states and 3345 transitions. [2020-10-12 23:09:18,927 INFO L480 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-10-12 23:09:18,927 INFO L276 IsEmpty]: Start isEmpty. Operand 2577 states and 3345 transitions. [2020-10-12 23:09:18,943 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 126 [2020-10-12 23:09:18,944 INFO L414 BasicCegarLoop]: Found error trace [2020-10-12 23:09:18,944 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 2, 2, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-12 23:09:18,945 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-10-12 23:09:18,945 INFO L427 AbstractCegarLoop]: === Iteration 3 === [ldv_blast_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-12 23:09:18,945 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-12 23:09:18,945 INFO L82 PathProgramCache]: Analyzing trace with hash -937287226, now seen corresponding path program 1 times [2020-10-12 23:09:18,945 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-12 23:09:18,946 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1254748032] [2020-10-12 23:09:18,946 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-12 23:09:19,169 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 23:09:19,395 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 23:09:20,169 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 23:09:24,318 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 23:09:24,318 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 169 [2020-10-12 23:09:24,318 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-12 23:09:24,319 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5146 [2020-10-12 23:09:24,319 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 23:09:24,320 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 7 [2020-10-12 23:09:24,320 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-12 23:09:24,320 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 85 [2020-10-12 23:09:24,320 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-12 23:09:31,550 WARN L193 SmtUtils]: Spent 6.74 s on a formula simplification that was a NOOP. DAG size: 1345 [2020-10-12 23:09:31,552 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-12 23:09:31,652 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 23:09:31,740 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 23:09:35,188 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 23:09:35,188 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-12 23:09:35,189 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 23:09:35,189 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3533 [2020-10-12 23:09:35,189 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 23:09:35,189 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 23:09:35,189 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 23:09:35,189 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-10-12 23:09:35,190 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 23:09:35,330 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-12 23:09:35,331 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 23:09:35,335 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 23:09:35,339 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 23:09:35,339 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-12 23:09:35,339 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 23:09:35,339 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-10-12 23:09:35,339 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 23:09:35,340 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 23:09:35,340 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 23:09:35,340 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-10-12 23:09:35,340 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 23:09:35,345 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-10-12 23:09:35,347 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 23:09:35,352 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 23:09:35,361 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 23:09:35,362 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 17 [2020-10-12 23:09:35,362 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 23:09:35,362 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 13 [2020-10-12 23:09:35,362 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 23:09:35,362 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 23:09:35,363 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 23:09:35,363 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 14 [2020-10-12 23:09:35,363 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 23:09:35,369 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-12 23:09:35,370 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 23:09:35,374 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 23:09:35,376 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 23:09:35,376 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-12 23:09:35,376 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 23:09:35,377 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-12 23:09:35,377 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 23:09:35,377 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 23:09:35,377 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 23:09:35,377 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 23:09:35,378 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 23:09:35,417 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2020-10-12 23:09:35,426 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 23:09:35,440 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 23:09:35,622 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 23:09:35,623 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 39 [2020-10-12 23:09:35,623 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 23:09:35,623 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 195 [2020-10-12 23:09:35,623 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 23:09:35,623 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-12 23:09:35,624 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-12 23:09:35,624 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 39 [2020-10-12 23:09:35,624 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 23:09:35,671 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-12 23:09:35,674 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 23:09:35,678 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 23:09:35,682 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 23:09:35,682 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-12 23:09:35,683 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 23:09:35,683 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-10-12 23:09:35,683 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 23:09:35,683 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 23:09:35,684 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 23:09:35,684 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-12 23:09:35,684 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 23:09:35,716 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-12 23:09:35,719 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 23:09:35,727 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 23:09:35,741 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 23:09:35,742 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 23 [2020-10-12 23:09:35,742 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 23:09:35,742 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 21 [2020-10-12 23:09:35,742 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 23:09:35,742 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 23:09:35,743 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 23:09:35,743 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 20 [2020-10-12 23:09:35,743 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 23:09:35,752 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-12 23:09:35,754 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 23:09:35,761 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 23:09:35,767 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 23:09:35,768 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 16 [2020-10-12 23:09:35,768 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 23:09:35,768 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 12 [2020-10-12 23:09:35,768 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 23:09:35,769 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 23:09:35,769 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 23:09:35,769 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 23:09:35,769 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 23:09:35,776 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-12 23:09:35,778 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 23:09:35,783 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 23:09:35,787 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 23:09:35,788 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 23:09:35,788 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 23:09:35,788 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 9 [2020-10-12 23:09:35,789 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 23:09:35,789 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 23:09:35,789 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 23:09:35,790 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 23:09:35,790 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-12 23:09:35,799 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 67 [2020-10-12 23:09:35,812 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 23:09:35,826 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 23:09:35,836 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 23:09:35,836 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 17 [2020-10-12 23:09:35,837 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 23:09:35,837 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 23 [2020-10-12 23:09:35,837 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 23:09:35,837 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 23:09:35,838 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 14 [2020-10-12 23:09:35,838 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 23:09:35,839 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-12 23:09:35,845 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-12 23:09:35,847 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 23:09:35,852 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 23:09:35,875 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 23:09:35,875 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-12 23:09:35,876 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 23:09:35,876 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 27 [2020-10-12 23:09:35,876 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 23:09:35,876 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 23:09:35,877 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 23:09:35,877 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 23:09:35,877 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 23:09:35,919 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 79 [2020-10-12 23:09:35,920 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 23:09:35,925 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 23:09:35,928 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 23:09:35,928 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-12 23:09:35,928 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 23:09:35,929 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-10-12 23:09:35,929 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 23:09:35,929 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 23:09:35,929 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-12 23:09:35,929 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 23:09:35,930 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 23:09:35,935 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 88 [2020-10-12 23:09:35,937 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 23:09:35,943 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 23:09:35,952 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 23:09:35,953 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 17 [2020-10-12 23:09:35,953 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 23:09:35,953 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 14 [2020-10-12 23:09:35,953 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 23:09:35,954 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 23:09:35,955 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 14 [2020-10-12 23:09:35,955 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 23:09:35,955 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-12 23:09:35,961 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-12 23:09:35,962 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 23:09:35,967 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 23:09:35,973 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 23:09:35,973 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-12 23:09:35,974 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 23:09:35,974 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 10 [2020-10-12 23:09:35,974 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 23:09:35,974 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 23:09:35,975 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 23:09:35,975 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 23:09:35,975 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-12 23:09:35,984 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2020-10-12 23:09:35,984 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 23:09:35,988 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 23:09:35,997 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 23:09:35,998 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-12 23:09:35,998 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 23:09:35,999 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 12 [2020-10-12 23:09:35,999 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 23:09:36,000 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 23:09:36,000 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-12 23:09:36,000 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 23:09:36,000 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 23:09:36,006 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 107 [2020-10-12 23:09:36,007 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 23:09:36,011 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 23:09:36,015 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 23:09:36,015 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-12 23:09:36,015 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 23:09:36,016 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-10-12 23:09:36,016 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 23:09:36,016 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 23:09:36,016 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-12 23:09:36,016 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 23:09:36,017 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 23:09:36,021 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 112 [2020-10-12 23:09:36,025 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 23:09:36,030 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 23:09:36,032 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 23:09:36,033 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-12 23:09:36,033 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 23:09:36,033 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-12 23:09:36,033 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 23:09:36,034 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 23:09:36,034 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-12 23:09:36,034 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 23:09:36,034 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 23:09:36,138 INFO L134 CoverageAnalysis]: Checked inductivity of 19 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 19 trivial. 0 not checked. [2020-10-12 23:09:36,139 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1254748032] [2020-10-12 23:09:36,140 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-12 23:09:36,140 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2020-10-12 23:09:36,140 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1939750555] [2020-10-12 23:09:36,142 INFO L459 AbstractCegarLoop]: Interpolant automaton has 9 states [2020-10-12 23:09:36,142 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-12 23:09:36,143 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2020-10-12 23:09:36,143 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=51, Unknown=0, NotChecked=0, Total=72 [2020-10-12 23:09:36,143 INFO L87 Difference]: Start difference. First operand 2577 states and 3345 transitions. Second operand 9 states. [2020-10-12 23:09:42,984 WARN L193 SmtUtils]: Spent 6.80 s on a formula simplification that was a NOOP. DAG size: 1354 [2020-10-12 23:09:52,502 WARN L193 SmtUtils]: Spent 7.00 s on a formula simplification that was a NOOP. DAG size: 1358