/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=SMALLESTAMONGWIDE --traceabstraction.additional.smt.options tolerance=0.2 --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 [2020-10-15 06:51:04,138 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-10-15 06:51:04,140 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-10-15 06:51:04,164 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-10-15 06:51:04,164 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-10-15 06:51:04,166 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-10-15 06:51:04,167 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-10-15 06:51:04,169 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-10-15 06:51:04,171 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-10-15 06:51:04,172 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-10-15 06:51:04,173 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-10-15 06:51:04,174 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-10-15 06:51:04,174 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-10-15 06:51:04,175 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-10-15 06:51:04,177 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-10-15 06:51:04,178 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-10-15 06:51:04,179 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-10-15 06:51:04,180 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-10-15 06:51:04,181 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-10-15 06:51:04,183 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-10-15 06:51:04,185 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-10-15 06:51:04,186 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-10-15 06:51:04,187 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-10-15 06:51:04,188 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-10-15 06:51:04,190 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-10-15 06:51:04,191 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-10-15 06:51:04,191 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-10-15 06:51:04,192 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-10-15 06:51:04,192 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-10-15 06:51:04,193 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-10-15 06:51:04,194 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-10-15 06:51:04,194 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-10-15 06:51:04,195 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-10-15 06:51:04,196 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-10-15 06:51:04,197 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-10-15 06:51:04,197 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-10-15 06:51:04,198 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-10-15 06:51:04,198 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-10-15 06:51:04,199 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-10-15 06:51:04,199 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-10-15 06:51:04,200 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-10-15 06:51:04,201 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 [2020-10-15 06:51:04,236 INFO L113 SettingsManager]: Loading preferences was successful [2020-10-15 06:51:04,237 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-10-15 06:51:04,238 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-10-15 06:51:04,242 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-10-15 06:51:04,243 INFO L138 SettingsManager]: * Use SBE=true [2020-10-15 06:51:04,243 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-10-15 06:51:04,243 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-10-15 06:51:04,243 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-10-15 06:51:04,243 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-10-15 06:51:04,244 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-10-15 06:51:04,244 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-10-15 06:51:04,244 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-10-15 06:51:04,244 INFO L138 SettingsManager]: * Use constant arrays=true [2020-10-15 06:51:04,244 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-10-15 06:51:04,245 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-10-15 06:51:04,245 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-10-15 06:51:04,248 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-10-15 06:51:04,248 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-10-15 06:51:04,248 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-10-15 06:51:04,249 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-10-15 06:51:04,249 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-10-15 06:51:04,249 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-10-15 06:51:04,249 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-10-15 06:51:04,250 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-10-15 06:51:04,250 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-10-15 06:51:04,250 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-10-15 06:51:04,250 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2020-10-15 06:51:04,250 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=SMALLESTAMONGWIDE;tolerance=0.2;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=SMALLESTAMONGWIDE;tolerance=0.2;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=SMALLESTAMONGWIDE;tolerance=0.2;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=SMALLESTAMONGWIDE;tolerance=0.2;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=SMALLESTAMONGWIDE;tolerance=0.2;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=SMALLESTAMONGWIDE;tolerance=0.2;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=SMALLESTAMONGWIDE;tolerance=0.2;log-additional-information=true;unknown-allowed=true; [2020-10-15 06:51:04,596 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-10-15 06:51:04,615 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-10-15 06:51:04,619 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-10-15 06:51:04,620 INFO L271 PluginConnector]: Initializing CDTParser... [2020-10-15 06:51:04,621 INFO L275 PluginConnector]: CDTParser initialized [2020-10-15 06:51:04,623 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/ldv-linux-3.0/usb_urb-drivers-usb-serial-whiteheat.ko.cil.out.i [2020-10-15 06:51:04,706 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/d7c3c298c/4616b544eb7a416ba025ea1ab59e36d8/FLAG3c2d34186 [2020-10-15 06:51:05,459 INFO L306 CDTParser]: Found 1 translation units. [2020-10-15 06:51:05,460 INFO L160 CDTParser]: Scanning /storage/repos/ultimate-2/trunk/examples/svcomp/ldv-linux-3.0/usb_urb-drivers-usb-serial-whiteheat.ko.cil.out.i [2020-10-15 06:51:05,514 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/d7c3c298c/4616b544eb7a416ba025ea1ab59e36d8/FLAG3c2d34186 [2020-10-15 06:51:05,531 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/d7c3c298c/4616b544eb7a416ba025ea1ab59e36d8 [2020-10-15 06:51:05,541 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-10-15 06:51:05,543 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-10-15 06:51:05,544 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-10-15 06:51:05,544 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-10-15 06:51:05,547 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-10-15 06:51:05,548 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.10 06:51:05" (1/1) ... [2020-10-15 06:51:05,551 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1fefdc8c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 06:51:05, skipping insertion in model container [2020-10-15 06:51:05,552 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.10 06:51:05" (1/1) ... [2020-10-15 06:51:05,559 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-10-15 06:51:05,702 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-10-15 06:51:07,177 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-15 06:51:07,228 INFO L203 MainTranslator]: Completed pre-run [2020-10-15 06:51:07,529 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-15 06:51:07,798 INFO L208 MainTranslator]: Completed translation [2020-10-15 06:51:07,799 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 06:51:07 WrapperNode [2020-10-15 06:51:07,799 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-10-15 06:51:07,800 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-10-15 06:51:07,800 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-10-15 06:51:07,800 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-10-15 06:51:07,818 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 06:51:07" (1/1) ... [2020-10-15 06:51:07,819 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 06:51:07" (1/1) ... [2020-10-15 06:51:07,924 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 06:51:07" (1/1) ... [2020-10-15 06:51:07,927 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 06:51:07" (1/1) ... [2020-10-15 06:51:08,045 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 06:51:07" (1/1) ... [2020-10-15 06:51:08,079 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 06:51:07" (1/1) ... [2020-10-15 06:51:08,121 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 06:51:07" (1/1) ... [2020-10-15 06:51:08,157 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-10-15 06:51:08,158 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-10-15 06:51:08,158 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-10-15 06:51:08,158 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-10-15 06:51:08,159 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 06:51:07" (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 [2020-10-15 06:51:08,239 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-10-15 06:51:08,240 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-10-15 06:51:08,240 INFO L138 BoogieDeclarations]: Found implementation of procedure __arch_swab32 [2020-10-15 06:51:08,240 INFO L138 BoogieDeclarations]: Found implementation of procedure __fswab16 [2020-10-15 06:51:08,240 INFO L138 BoogieDeclarations]: Found implementation of procedure __fswab32 [2020-10-15 06:51:08,240 INFO L138 BoogieDeclarations]: Found implementation of procedure get_current [2020-10-15 06:51:08,241 INFO L138 BoogieDeclarations]: Found implementation of procedure INIT_LIST_HEAD [2020-10-15 06:51:08,242 INFO L138 BoogieDeclarations]: Found implementation of procedure list_add [2020-10-15 06:51:08,242 INFO L138 BoogieDeclarations]: Found implementation of procedure list_add_tail [2020-10-15 06:51:08,243 INFO L138 BoogieDeclarations]: Found implementation of procedure list_move [2020-10-15 06:51:08,243 INFO L138 BoogieDeclarations]: Found implementation of procedure list_empty [2020-10-15 06:51:08,243 INFO L138 BoogieDeclarations]: Found implementation of procedure spinlock_check [2020-10-15 06:51:08,244 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_lock [2020-10-15 06:51:08,244 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_lock_irq [2020-10-15 06:51:08,244 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock [2020-10-15 06:51:08,244 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock_irq [2020-10-15 06:51:08,244 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock_irqrestore [2020-10-15 06:51:08,247 INFO L138 BoogieDeclarations]: Found implementation of procedure kmalloc [2020-10-15 06:51:08,247 INFO L138 BoogieDeclarations]: Found implementation of procedure copy_to_user [2020-10-15 06:51:08,247 INFO L138 BoogieDeclarations]: Found implementation of procedure device_private_init [2020-10-15 06:51:08,247 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_get_drvdata [2020-10-15 06:51:08,247 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_set_drvdata [2020-10-15 06:51:08,248 INFO L138 BoogieDeclarations]: Found implementation of procedure tty_insert_flip_string [2020-10-15 06:51:08,248 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_register [2020-10-15 06:51:08,248 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_fill_bulk_urb [2020-10-15 06:51:08,248 INFO L138 BoogieDeclarations]: Found implementation of procedure __create_pipe [2020-10-15 06:51:08,248 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_get_serial_port_data [2020-10-15 06:51:08,248 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_set_serial_port_data [2020-10-15 06:51:08,248 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_serial_debug_data [2020-10-15 06:51:08,248 INFO L138 BoogieDeclarations]: Found implementation of procedure ihex_next_binrec [2020-10-15 06:51:08,248 INFO L138 BoogieDeclarations]: Found implementation of procedure ihex_validate_fw [2020-10-15 06:51:08,248 INFO L138 BoogieDeclarations]: Found implementation of procedure request_ihex_firmware [2020-10-15 06:51:08,249 INFO L138 BoogieDeclarations]: Found implementation of procedure whiteheat_firmware_download [2020-10-15 06:51:08,249 INFO L138 BoogieDeclarations]: Found implementation of procedure whiteheat_firmware_attach [2020-10-15 06:51:08,249 INFO L138 BoogieDeclarations]: Found implementation of procedure whiteheat_attach [2020-10-15 06:51:08,249 INFO L138 BoogieDeclarations]: Found implementation of procedure whiteheat_release [2020-10-15 06:51:08,250 INFO L138 BoogieDeclarations]: Found implementation of procedure whiteheat_open [2020-10-15 06:51:08,250 INFO L138 BoogieDeclarations]: Found implementation of procedure whiteheat_close [2020-10-15 06:51:08,250 INFO L138 BoogieDeclarations]: Found implementation of procedure whiteheat_write [2020-10-15 06:51:08,251 INFO L138 BoogieDeclarations]: Found implementation of procedure whiteheat_write_room [2020-10-15 06:51:08,251 INFO L138 BoogieDeclarations]: Found implementation of procedure whiteheat_tiocmget [2020-10-15 06:51:08,251 INFO L138 BoogieDeclarations]: Found implementation of procedure whiteheat_tiocmset [2020-10-15 06:51:08,251 INFO L138 BoogieDeclarations]: Found implementation of procedure whiteheat_ioctl [2020-10-15 06:51:08,251 INFO L138 BoogieDeclarations]: Found implementation of procedure whiteheat_set_termios [2020-10-15 06:51:08,251 INFO L138 BoogieDeclarations]: Found implementation of procedure whiteheat_break_ctl [2020-10-15 06:51:08,252 INFO L138 BoogieDeclarations]: Found implementation of procedure whiteheat_chars_in_buffer [2020-10-15 06:51:08,252 INFO L138 BoogieDeclarations]: Found implementation of procedure whiteheat_throttle [2020-10-15 06:51:08,252 INFO L138 BoogieDeclarations]: Found implementation of procedure whiteheat_unthrottle [2020-10-15 06:51:08,252 INFO L138 BoogieDeclarations]: Found implementation of procedure command_port_write_callback [2020-10-15 06:51:08,252 INFO L138 BoogieDeclarations]: Found implementation of procedure command_port_read_callback [2020-10-15 06:51:08,253 INFO L138 BoogieDeclarations]: Found implementation of procedure whiteheat_read_callback [2020-10-15 06:51:08,253 INFO L138 BoogieDeclarations]: Found implementation of procedure whiteheat_write_callback [2020-10-15 06:51:08,253 INFO L138 BoogieDeclarations]: Found implementation of procedure firm_send_command [2020-10-15 06:51:08,253 INFO L138 BoogieDeclarations]: Found implementation of procedure firm_open [2020-10-15 06:51:08,254 INFO L138 BoogieDeclarations]: Found implementation of procedure firm_close [2020-10-15 06:51:08,254 INFO L138 BoogieDeclarations]: Found implementation of procedure firm_setup_port [2020-10-15 06:51:08,254 INFO L138 BoogieDeclarations]: Found implementation of procedure firm_set_rts [2020-10-15 06:51:08,254 INFO L138 BoogieDeclarations]: Found implementation of procedure firm_set_dtr [2020-10-15 06:51:08,254 INFO L138 BoogieDeclarations]: Found implementation of procedure firm_set_break [2020-10-15 06:51:08,254 INFO L138 BoogieDeclarations]: Found implementation of procedure firm_purge [2020-10-15 06:51:08,254 INFO L138 BoogieDeclarations]: Found implementation of procedure firm_get_dtr_rts [2020-10-15 06:51:08,255 INFO L138 BoogieDeclarations]: Found implementation of procedure firm_report_tx_done [2020-10-15 06:51:08,255 INFO L138 BoogieDeclarations]: Found implementation of procedure start_command_port [2020-10-15 06:51:08,255 INFO L138 BoogieDeclarations]: Found implementation of procedure stop_command_port [2020-10-15 06:51:08,255 INFO L138 BoogieDeclarations]: Found implementation of procedure start_port_read [2020-10-15 06:51:08,255 INFO L138 BoogieDeclarations]: Found implementation of procedure urb_to_wrap [2020-10-15 06:51:08,255 INFO L138 BoogieDeclarations]: Found implementation of procedure list_first [2020-10-15 06:51:08,255 INFO L138 BoogieDeclarations]: Found implementation of procedure rx_data_softint [2020-10-15 06:51:08,256 INFO L138 BoogieDeclarations]: Found implementation of procedure whiteheat_init [2020-10-15 06:51:08,256 INFO L138 BoogieDeclarations]: Found implementation of procedure whiteheat_exit [2020-10-15 06:51:08,257 INFO L138 BoogieDeclarations]: Found implementation of procedure init_module [2020-10-15 06:51:08,257 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup_module [2020-10-15 06:51:08,257 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-10-15 06:51:08,258 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_blast_assert [2020-10-15 06:51:08,258 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assume_stop [2020-10-15 06:51:08,258 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_alloc_coherent [2020-10-15 06:51:08,259 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_free_coherent [2020-10-15 06:51:08,259 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_alloc_urb [2020-10-15 06:51:08,259 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_free_urb [2020-10-15 06:51:08,259 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_final_state [2020-10-15 06:51:08,259 INFO L138 BoogieDeclarations]: Found implementation of procedure __init_waitqueue_head [2020-10-15 06:51:08,259 INFO L138 BoogieDeclarations]: Found implementation of procedure __init_work [2020-10-15 06:51:08,259 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2020-10-15 06:51:08,259 INFO L138 BoogieDeclarations]: Found implementation of procedure __kmalloc [2020-10-15 06:51:08,260 INFO L138 BoogieDeclarations]: Found implementation of procedure __list_add [2020-10-15 06:51:08,260 INFO L138 BoogieDeclarations]: Found implementation of procedure __list_del_entry [2020-10-15 06:51:08,260 INFO L138 BoogieDeclarations]: Found implementation of procedure __mutex_init [2020-10-15 06:51:08,261 INFO L138 BoogieDeclarations]: Found implementation of procedure __raw_spin_lock_init [2020-10-15 06:51:08,261 INFO L138 BoogieDeclarations]: Found implementation of procedure __wake_up [2020-10-15 06:51:08,261 INFO L138 BoogieDeclarations]: Found implementation of procedure _copy_to_user [2020-10-15 06:51:08,262 INFO L138 BoogieDeclarations]: Found implementation of procedure _dev_info [2020-10-15 06:51:08,262 INFO L138 BoogieDeclarations]: Found implementation of procedure _raw_spin_lock [2020-10-15 06:51:08,262 INFO L138 BoogieDeclarations]: Found implementation of procedure _raw_spin_lock_irq [2020-10-15 06:51:08,262 INFO L138 BoogieDeclarations]: Found implementation of procedure _raw_spin_lock_irqsave [2020-10-15 06:51:08,262 INFO L138 BoogieDeclarations]: Found implementation of procedure _raw_spin_unlock [2020-10-15 06:51:08,263 INFO L138 BoogieDeclarations]: Found implementation of procedure _raw_spin_unlock_irq [2020-10-15 06:51:08,263 INFO L138 BoogieDeclarations]: Found implementation of procedure _raw_spin_unlock_irqrestore [2020-10-15 06:51:08,263 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_err [2020-10-15 06:51:08,263 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_printk [2020-10-15 06:51:08,263 INFO L138 BoogieDeclarations]: Found implementation of procedure ezusb_set_reset [2020-10-15 06:51:08,263 INFO L138 BoogieDeclarations]: Found implementation of procedure ezusb_writememory [2020-10-15 06:51:08,263 INFO L138 BoogieDeclarations]: Found implementation of procedure finish_wait [2020-10-15 06:51:08,264 INFO L138 BoogieDeclarations]: Found implementation of procedure kzalloc [2020-10-15 06:51:08,264 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_return_value [2020-10-15 06:51:08,264 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_initialize [2020-10-15 06:51:08,264 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undefined_pointer [2020-10-15 06:51:08,264 INFO L138 BoogieDeclarations]: Found implementation of procedure list_del [2020-10-15 06:51:08,264 INFO L138 BoogieDeclarations]: Found implementation of procedure lockdep_init_map [2020-10-15 06:51:08,265 INFO L138 BoogieDeclarations]: Found implementation of procedure might_fault [2020-10-15 06:51:08,265 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_lock_nested [2020-10-15 06:51:08,265 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_unlock [2020-10-15 06:51:08,265 INFO L138 BoogieDeclarations]: Found implementation of procedure prepare_to_wait [2020-10-15 06:51:08,265 INFO L138 BoogieDeclarations]: Found implementation of procedure printk [2020-10-15 06:51:08,265 INFO L138 BoogieDeclarations]: Found implementation of procedure release_firmware [2020-10-15 06:51:08,265 INFO L138 BoogieDeclarations]: Found implementation of procedure request_firmware [2020-10-15 06:51:08,266 INFO L138 BoogieDeclarations]: Found implementation of procedure schedule_timeout [2020-10-15 06:51:08,266 INFO L138 BoogieDeclarations]: Found implementation of procedure schedule_work [2020-10-15 06:51:08,266 INFO L138 BoogieDeclarations]: Found implementation of procedure tty_encode_baud_rate [2020-10-15 06:51:08,266 INFO L138 BoogieDeclarations]: Found implementation of procedure tty_flip_buffer_push [2020-10-15 06:51:08,267 INFO L138 BoogieDeclarations]: Found implementation of procedure tty_get_baud_rate [2020-10-15 06:51:08,267 INFO L138 BoogieDeclarations]: Found implementation of procedure tty_insert_flip_string_fixed_flag [2020-10-15 06:51:08,267 INFO L138 BoogieDeclarations]: Found implementation of procedure tty_kref_put [2020-10-15 06:51:08,268 INFO L138 BoogieDeclarations]: Found implementation of procedure tty_port_tty_get [2020-10-15 06:51:08,268 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_bulk_msg [2020-10-15 06:51:08,268 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_clear_halt [2020-10-15 06:51:08,269 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_deregister [2020-10-15 06:51:08,269 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_kill_urb [2020-10-15 06:51:08,270 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_register_driver [2020-10-15 06:51:08,273 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_serial_deregister [2020-10-15 06:51:08,273 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_serial_port_softint [2020-10-15 06:51:08,274 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_serial_register [2020-10-15 06:51:08,274 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_submit_urb [2020-10-15 06:51:08,274 INFO L138 BoogieDeclarations]: Found implementation of procedure autoremove_wake_function [2020-10-15 06:51:08,274 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree [2020-10-15 06:51:08,275 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2020-10-15 06:51:08,275 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy [2020-10-15 06:51:08,276 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2020-10-15 06:51:08,276 INFO L130 BoogieDeclarations]: Found specification of procedure __arch_swab32 [2020-10-15 06:51:08,276 INFO L130 BoogieDeclarations]: Found specification of procedure __fswab16 [2020-10-15 06:51:08,276 INFO L130 BoogieDeclarations]: Found specification of procedure __fswab32 [2020-10-15 06:51:08,276 INFO L130 BoogieDeclarations]: Found specification of procedure printk [2020-10-15 06:51:08,276 INFO L130 BoogieDeclarations]: Found specification of procedure might_fault [2020-10-15 06:51:08,276 INFO L130 BoogieDeclarations]: Found specification of procedure __bad_percpu_size [2020-10-15 06:51:08,277 INFO L130 BoogieDeclarations]: Found specification of procedure get_current [2020-10-15 06:51:08,277 INFO L130 BoogieDeclarations]: Found specification of procedure memcpy [2020-10-15 06:51:08,284 INFO L130 BoogieDeclarations]: Found specification of procedure memset [2020-10-15 06:51:08,285 INFO L130 BoogieDeclarations]: Found specification of procedure INIT_LIST_HEAD [2020-10-15 06:51:08,285 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2020-10-15 06:51:08,285 INFO L130 BoogieDeclarations]: Found specification of procedure __list_add [2020-10-15 06:51:08,285 INFO L130 BoogieDeclarations]: Found specification of procedure list_add [2020-10-15 06:51:08,285 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2020-10-15 06:51:08,285 INFO L130 BoogieDeclarations]: Found specification of procedure list_add_tail [2020-10-15 06:51:08,285 INFO L130 BoogieDeclarations]: Found specification of procedure __list_del_entry [2020-10-15 06:51:08,285 INFO L130 BoogieDeclarations]: Found specification of procedure list_del [2020-10-15 06:51:08,286 INFO L130 BoogieDeclarations]: Found specification of procedure list_move [2020-10-15 06:51:08,286 INFO L130 BoogieDeclarations]: Found specification of procedure list_empty [2020-10-15 06:51:08,286 INFO L130 BoogieDeclarations]: Found specification of procedure lockdep_init_map [2020-10-15 06:51:08,286 INFO L130 BoogieDeclarations]: Found specification of procedure __raw_spin_lock_init [2020-10-15 06:51:08,287 INFO L130 BoogieDeclarations]: Found specification of procedure _raw_spin_lock [2020-10-15 06:51:08,287 INFO L130 BoogieDeclarations]: Found specification of procedure _raw_spin_lock_irq [2020-10-15 06:51:08,287 INFO L130 BoogieDeclarations]: Found specification of procedure _raw_spin_lock_irqsave [2020-10-15 06:51:08,287 INFO L130 BoogieDeclarations]: Found specification of procedure _raw_spin_unlock [2020-10-15 06:51:08,287 INFO L130 BoogieDeclarations]: Found specification of procedure _raw_spin_unlock_irq [2020-10-15 06:51:08,287 INFO L130 BoogieDeclarations]: Found specification of procedure _raw_spin_unlock_irqrestore [2020-10-15 06:51:08,287 INFO L130 BoogieDeclarations]: Found specification of procedure spinlock_check [2020-10-15 06:51:08,288 INFO L130 BoogieDeclarations]: Found specification of procedure spin_lock [2020-10-15 06:51:08,288 INFO L130 BoogieDeclarations]: Found specification of procedure spin_lock_irq [2020-10-15 06:51:08,288 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock [2020-10-15 06:51:08,288 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock_irq [2020-10-15 06:51:08,288 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock_irqrestore [2020-10-15 06:51:08,288 INFO L130 BoogieDeclarations]: Found specification of procedure __init_waitqueue_head [2020-10-15 06:51:08,288 INFO L130 BoogieDeclarations]: Found specification of procedure __wake_up [2020-10-15 06:51:08,288 INFO L130 BoogieDeclarations]: Found specification of procedure prepare_to_wait [2020-10-15 06:51:08,289 INFO L130 BoogieDeclarations]: Found specification of procedure finish_wait [2020-10-15 06:51:08,289 INFO L130 BoogieDeclarations]: Found specification of procedure autoremove_wake_function [2020-10-15 06:51:08,289 INFO L130 BoogieDeclarations]: Found specification of procedure __mutex_init [2020-10-15 06:51:08,289 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_lock_nested [2020-10-15 06:51:08,289 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_unlock [2020-10-15 06:51:08,289 INFO L130 BoogieDeclarations]: Found specification of procedure __init_work [2020-10-15 06:51:08,289 INFO L130 BoogieDeclarations]: Found specification of procedure schedule_work [2020-10-15 06:51:08,289 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2020-10-15 06:51:08,290 INFO L130 BoogieDeclarations]: Found specification of procedure kzalloc [2020-10-15 06:51:08,290 INFO L130 BoogieDeclarations]: Found specification of procedure __kmalloc [2020-10-15 06:51:08,290 INFO L130 BoogieDeclarations]: Found specification of procedure kmalloc [2020-10-15 06:51:08,290 INFO L130 BoogieDeclarations]: Found specification of procedure _copy_to_user [2020-10-15 06:51:08,290 INFO L130 BoogieDeclarations]: Found specification of procedure copy_to_user [2020-10-15 06:51:08,290 INFO L130 BoogieDeclarations]: Found specification of procedure init_module [2020-10-15 06:51:08,291 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup_module [2020-10-15 06:51:08,291 INFO L130 BoogieDeclarations]: Found specification of procedure device_private_init [2020-10-15 06:51:08,291 INFO L130 BoogieDeclarations]: Found specification of procedure dev_get_drvdata [2020-10-15 06:51:08,291 INFO L130 BoogieDeclarations]: Found specification of procedure dev_set_drvdata [2020-10-15 06:51:08,291 INFO L130 BoogieDeclarations]: Found specification of procedure dev_printk [2020-10-15 06:51:08,291 INFO L130 BoogieDeclarations]: Found specification of procedure dev_err [2020-10-15 06:51:08,291 INFO L130 BoogieDeclarations]: Found specification of procedure _dev_info [2020-10-15 06:51:08,292 INFO L130 BoogieDeclarations]: Found specification of procedure tty_kref_put [2020-10-15 06:51:08,292 INFO L130 BoogieDeclarations]: Found specification of procedure tty_flip_buffer_push [2020-10-15 06:51:08,292 INFO L130 BoogieDeclarations]: Found specification of procedure tty_get_baud_rate [2020-10-15 06:51:08,292 INFO L130 BoogieDeclarations]: Found specification of procedure tty_encode_baud_rate [2020-10-15 06:51:08,292 INFO L130 BoogieDeclarations]: Found specification of procedure tty_port_tty_get [2020-10-15 06:51:08,292 INFO L130 BoogieDeclarations]: Found specification of procedure tty_insert_flip_string_fixed_flag [2020-10-15 06:51:08,292 INFO L130 BoogieDeclarations]: Found specification of procedure tty_insert_flip_string [2020-10-15 06:51:08,292 INFO L130 BoogieDeclarations]: Found specification of procedure schedule_timeout [2020-10-15 06:51:08,292 INFO L130 BoogieDeclarations]: Found specification of procedure usb_register_driver [2020-10-15 06:51:08,293 INFO L130 BoogieDeclarations]: Found specification of procedure usb_register [2020-10-15 06:51:08,293 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-10-15 06:51:08,293 INFO L130 BoogieDeclarations]: Found specification of procedure usb_deregister [2020-10-15 06:51:08,293 INFO L130 BoogieDeclarations]: Found specification of procedure usb_fill_bulk_urb [2020-10-15 06:51:08,293 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-10-15 06:51:08,293 INFO L130 BoogieDeclarations]: Found specification of procedure usb_alloc_urb [2020-10-15 06:51:08,293 INFO L130 BoogieDeclarations]: Found specification of procedure usb_free_urb [2020-10-15 06:51:08,293 INFO L130 BoogieDeclarations]: Found specification of procedure usb_submit_urb [2020-10-15 06:51:08,293 INFO L130 BoogieDeclarations]: Found specification of procedure usb_kill_urb [2020-10-15 06:51:08,294 INFO L130 BoogieDeclarations]: Found specification of procedure usb_alloc_coherent [2020-10-15 06:51:08,294 INFO L130 BoogieDeclarations]: Found specification of procedure usb_free_coherent [2020-10-15 06:51:08,294 INFO L130 BoogieDeclarations]: Found specification of procedure usb_bulk_msg [2020-10-15 06:51:08,294 INFO L130 BoogieDeclarations]: Found specification of procedure usb_clear_halt [2020-10-15 06:51:08,294 INFO L130 BoogieDeclarations]: Found specification of procedure __create_pipe [2020-10-15 06:51:08,294 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2020-10-15 06:51:08,294 INFO L130 BoogieDeclarations]: Found specification of procedure usb_get_serial_port_data [2020-10-15 06:51:08,294 INFO L130 BoogieDeclarations]: Found specification of procedure usb_set_serial_port_data [2020-10-15 06:51:08,295 INFO L130 BoogieDeclarations]: Found specification of procedure usb_serial_register [2020-10-15 06:51:08,295 INFO L130 BoogieDeclarations]: Found specification of procedure usb_serial_deregister [2020-10-15 06:51:08,295 INFO L130 BoogieDeclarations]: Found specification of procedure usb_serial_port_softint [2020-10-15 06:51:08,295 INFO L130 BoogieDeclarations]: Found specification of procedure usb_serial_probe [2020-10-15 06:51:08,295 INFO L130 BoogieDeclarations]: Found specification of procedure usb_serial_disconnect [2020-10-15 06:51:08,295 INFO L130 BoogieDeclarations]: Found specification of procedure ezusb_writememory [2020-10-15 06:51:08,295 INFO L130 BoogieDeclarations]: Found specification of procedure ezusb_set_reset [2020-10-15 06:51:08,295 INFO L130 BoogieDeclarations]: Found specification of procedure usb_serial_debug_data [2020-10-15 06:51:08,296 INFO L130 BoogieDeclarations]: Found specification of procedure request_firmware [2020-10-15 06:51:08,296 INFO L130 BoogieDeclarations]: Found specification of procedure release_firmware [2020-10-15 06:51:08,296 INFO L130 BoogieDeclarations]: Found specification of procedure ihex_next_binrec [2020-10-15 06:51:08,296 INFO L130 BoogieDeclarations]: Found specification of procedure ihex_validate_fw [2020-10-15 06:51:08,296 INFO L130 BoogieDeclarations]: Found specification of procedure request_ihex_firmware [2020-10-15 06:51:08,296 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-10-15 06:51:08,296 INFO L130 BoogieDeclarations]: Found specification of procedure whiteheat_firmware_download [2020-10-15 06:51:08,296 INFO L130 BoogieDeclarations]: Found specification of procedure whiteheat_firmware_attach [2020-10-15 06:51:08,297 INFO L130 BoogieDeclarations]: Found specification of procedure whiteheat_attach [2020-10-15 06:51:08,297 INFO L130 BoogieDeclarations]: Found specification of procedure whiteheat_release [2020-10-15 06:51:08,297 INFO L130 BoogieDeclarations]: Found specification of procedure whiteheat_open [2020-10-15 06:51:08,297 INFO L130 BoogieDeclarations]: Found specification of procedure whiteheat_close [2020-10-15 06:51:08,297 INFO L130 BoogieDeclarations]: Found specification of procedure whiteheat_write [2020-10-15 06:51:08,297 INFO L130 BoogieDeclarations]: Found specification of procedure whiteheat_write_room [2020-10-15 06:51:08,297 INFO L130 BoogieDeclarations]: Found specification of procedure whiteheat_ioctl [2020-10-15 06:51:08,297 INFO L130 BoogieDeclarations]: Found specification of procedure whiteheat_set_termios [2020-10-15 06:51:08,298 INFO L130 BoogieDeclarations]: Found specification of procedure whiteheat_tiocmget [2020-10-15 06:51:08,298 INFO L130 BoogieDeclarations]: Found specification of procedure whiteheat_tiocmset [2020-10-15 06:51:08,298 INFO L130 BoogieDeclarations]: Found specification of procedure whiteheat_break_ctl [2020-10-15 06:51:08,298 INFO L130 BoogieDeclarations]: Found specification of procedure whiteheat_chars_in_buffer [2020-10-15 06:51:08,298 INFO L130 BoogieDeclarations]: Found specification of procedure whiteheat_throttle [2020-10-15 06:51:08,298 INFO L130 BoogieDeclarations]: Found specification of procedure whiteheat_unthrottle [2020-10-15 06:51:08,298 INFO L130 BoogieDeclarations]: Found specification of procedure whiteheat_read_callback [2020-10-15 06:51:08,298 INFO L130 BoogieDeclarations]: Found specification of procedure whiteheat_write_callback [2020-10-15 06:51:08,298 INFO L130 BoogieDeclarations]: Found specification of procedure start_command_port [2020-10-15 06:51:08,299 INFO L130 BoogieDeclarations]: Found specification of procedure stop_command_port [2020-10-15 06:51:08,300 INFO L130 BoogieDeclarations]: Found specification of procedure command_port_write_callback [2020-10-15 06:51:08,304 INFO L130 BoogieDeclarations]: Found specification of procedure command_port_read_callback [2020-10-15 06:51:08,304 INFO L130 BoogieDeclarations]: Found specification of procedure start_port_read [2020-10-15 06:51:08,304 INFO L130 BoogieDeclarations]: Found specification of procedure urb_to_wrap [2020-10-15 06:51:08,304 INFO L130 BoogieDeclarations]: Found specification of procedure list_first [2020-10-15 06:51:08,304 INFO L130 BoogieDeclarations]: Found specification of procedure rx_data_softint [2020-10-15 06:51:08,304 INFO L130 BoogieDeclarations]: Found specification of procedure firm_send_command [2020-10-15 06:51:08,304 INFO L130 BoogieDeclarations]: Found specification of procedure firm_open [2020-10-15 06:51:08,305 INFO L130 BoogieDeclarations]: Found specification of procedure firm_close [2020-10-15 06:51:08,305 INFO L130 BoogieDeclarations]: Found specification of procedure firm_setup_port [2020-10-15 06:51:08,305 INFO L130 BoogieDeclarations]: Found specification of procedure firm_set_rts [2020-10-15 06:51:08,305 INFO L130 BoogieDeclarations]: Found specification of procedure firm_set_dtr [2020-10-15 06:51:08,305 INFO L130 BoogieDeclarations]: Found specification of procedure firm_set_break [2020-10-15 06:51:08,305 INFO L130 BoogieDeclarations]: Found specification of procedure firm_purge [2020-10-15 06:51:08,305 INFO L130 BoogieDeclarations]: Found specification of procedure firm_get_dtr_rts [2020-10-15 06:51:08,305 INFO L130 BoogieDeclarations]: Found specification of procedure firm_report_tx_done [2020-10-15 06:51:08,306 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy [2020-10-15 06:51:08,306 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2020-10-15 06:51:08,306 INFO L130 BoogieDeclarations]: Found specification of procedure whiteheat_init [2020-10-15 06:51:08,308 INFO L130 BoogieDeclarations]: Found specification of procedure whiteheat_exit [2020-10-15 06:51:08,308 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_final_state [2020-10-15 06:51:08,308 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_return_value [2020-10-15 06:51:08,308 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_initialize [2020-10-15 06:51:08,308 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2020-10-15 06:51:08,309 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-10-15 06:51:08,309 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_blast_assert [2020-10-15 06:51:08,309 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undefined_pointer [2020-10-15 06:51:08,309 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assume_stop [2020-10-15 06:51:08,309 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_bool [2020-10-15 06:51:08,309 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2020-10-15 06:51:08,309 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2020-10-15 06:51:08,309 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2020-10-15 06:51:08,310 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_ulong [2020-10-15 06:51:08,310 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_long [2020-10-15 06:51:08,310 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_uint [2020-10-15 06:51:08,310 INFO L130 BoogieDeclarations]: Found specification of procedure free [2020-10-15 06:51:08,310 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-10-15 06:51:08,310 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-10-15 06:51:08,310 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2020-10-15 06:51:08,310 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-10-15 06:51:08,310 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2020-10-15 06:51:08,311 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2020-10-15 06:51:08,311 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2020-10-15 06:51:08,311 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int [2020-10-15 06:51:09,721 WARN L779 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2020-10-15 06:51:09,735 INFO L732 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##10: assume !false; [2020-10-15 06:51:09,735 INFO L732 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##9: assume false; [2020-10-15 06:51:09,744 WARN L779 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2020-10-15 06:51:10,021 INFO L732 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##12: assume !false; [2020-10-15 06:51:10,021 INFO L732 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##11: assume false; [2020-10-15 06:51:10,603 INFO L732 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_assume_stopFINAL: assume true; [2020-10-15 06:51:18,055 WARN L779 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2020-10-15 06:51:18,119 INFO L732 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##54: assume !false; [2020-10-15 06:51:18,119 INFO L732 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##53: assume false; [2020-10-15 06:51:18,363 WARN L779 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2020-10-15 06:51:18,480 INFO L732 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##8: assume !false; [2020-10-15 06:51:18,481 INFO L732 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##7: assume false; [2020-10-15 06:51:18,933 INFO L290 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-10-15 06:51:18,933 INFO L295 CfgBuilder]: Removed 104 assume(true) statements. [2020-10-15 06:51:18,949 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.10 06:51:18 BoogieIcfgContainer [2020-10-15 06:51:18,949 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-10-15 06:51:18,954 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-10-15 06:51:18,954 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-10-15 06:51:18,957 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-10-15 06:51:18,957 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 15.10 06:51:05" (1/3) ... [2020-10-15 06:51:18,958 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@18e7c52c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 15.10 06:51:18, skipping insertion in model container [2020-10-15 06:51:18,958 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 06:51:07" (2/3) ... [2020-10-15 06:51:18,959 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@18e7c52c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 15.10 06:51:18, skipping insertion in model container [2020-10-15 06:51:18,959 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.10 06:51:18" (3/3) ... [2020-10-15 06:51:18,961 INFO L109 eAbstractionObserver]: Analyzing ICFG usb_urb-drivers-usb-serial-whiteheat.ko.cil.out.i [2020-10-15 06:51:18,972 INFO L157 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:Craig_NestedInterpolation Determinization: PREDICATE_ABSTRACTION [2020-10-15 06:51:18,982 INFO L169 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-10-15 06:51:18,997 INFO L251 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-10-15 06:51:19,027 INFO L375 AbstractCegarLoop]: Interprodecural is true [2020-10-15 06:51:19,027 INFO L376 AbstractCegarLoop]: Hoare is true [2020-10-15 06:51:19,027 INFO L377 AbstractCegarLoop]: Compute interpolants for Craig_NestedInterpolation [2020-10-15 06:51:19,027 INFO L378 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-10-15 06:51:19,027 INFO L379 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-10-15 06:51:19,027 INFO L380 AbstractCegarLoop]: Difference is false [2020-10-15 06:51:19,027 INFO L381 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-10-15 06:51:19,028 INFO L385 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-10-15 06:51:19,088 INFO L276 IsEmpty]: Start isEmpty. Operand 1378 states. [2020-10-15 06:51:19,096 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2020-10-15 06:51:19,096 INFO L414 BasicCegarLoop]: Found error trace [2020-10-15 06:51:19,098 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] [2020-10-15 06:51:19,098 INFO L427 AbstractCegarLoop]: === Iteration 1 === [ldv_blast_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-15 06:51:19,103 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-15 06:51:19,104 INFO L82 PathProgramCache]: Analyzing trace with hash -1103377426, now seen corresponding path program 1 times [2020-10-15 06:51:19,113 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-15 06:51:19,113 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1063174465] [2020-10-15 06:51:19,114 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-15 06:51:20,056 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 06:51:20,497 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 06:51:29,114 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 06:51:29,114 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 42 [2020-10-15 06:51:29,114 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 06:51:29,115 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 9052 [2020-10-15 06:51:29,117 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 06:51:29,117 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 06:51:29,117 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-15 06:51:29,118 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-15 06:51:29,118 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 33 [2020-10-15 06:51:29,118 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 3 [2020-10-15 06:51:36,376 WARN L193 SmtUtils]: Spent 6.83 s on a formula simplification that was a NOOP. DAG size: 1345 [2020-10-15 06:51:36,382 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-15 06:51:36,517 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 06:51:36,637 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 06:51:40,234 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 06:51:40,235 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-15 06:51:40,235 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 06:51:40,235 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3715 [2020-10-15 06:51:40,235 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 06:51:40,236 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 06:51:40,236 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-15 06:51:40,236 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 06:51:40,236 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-10-15 06:51:40,236 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 06:51:40,421 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-15 06:51:40,422 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 06:51:40,428 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 06:51:40,435 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 06:51:40,436 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-15 06:51:40,436 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 06:51:40,436 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 12 [2020-10-15 06:51:40,438 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 06:51:40,438 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 06:51:40,438 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-15 06:51:40,438 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 06:51:40,439 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-10-15 06:51:40,439 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 06:51:40,447 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-10-15 06:51:40,453 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 06:51:40,462 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 06:51:40,479 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 06:51:40,480 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 17 [2020-10-15 06:51:40,480 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 06:51:40,480 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 25 [2020-10-15 06:51:40,480 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 06:51:40,480 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 06:51:40,481 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-15 06:51:40,481 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 06:51:40,481 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 14 [2020-10-15 06:51:40,481 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 06:51:40,490 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-15 06:51:40,492 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 06:51:40,497 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 06:51:40,500 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 06:51:40,501 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-15 06:51:40,501 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 06:51:40,501 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 8 [2020-10-15 06:51:40,502 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 06:51:40,502 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 06:51:40,502 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 06:51:40,502 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 06:51:40,502 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 06:51:40,503 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 06:51:40,532 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-15 06:51:40,533 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1063174465] [2020-10-15 06:51:40,535 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-15 06:51:40,535 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2020-10-15 06:51:40,536 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [344611368] [2020-10-15 06:51:40,545 INFO L459 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-10-15 06:51:40,545 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-15 06:51:40,558 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-10-15 06:51:40,560 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2020-10-15 06:51:40,563 INFO L87 Difference]: Start difference. First operand 1378 states. Second operand 4 states. [2020-10-15 06:51:50,214 WARN L193 SmtUtils]: Spent 7.23 s on a formula simplification that was a NOOP. DAG size: 1347 [2020-10-15 06:53:00,626 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-15 06:53:00,627 INFO L93 Difference]: Finished difference Result 4055 states and 6045 transitions. [2020-10-15 06:53:00,627 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-10-15 06:53:00,629 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 26 [2020-10-15 06:53:00,629 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-15 06:53:00,678 INFO L225 Difference]: With dead ends: 4055 [2020-10-15 06:53:00,679 INFO L226 Difference]: Without dead ends: 2756 [2020-10-15 06:53:00,697 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 13 GetRequests, 10 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 14.1s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2020-10-15 06:53:00,727 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2756 states. [2020-10-15 06:53:02,105 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2756 to 2590. [2020-10-15 06:53:02,106 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2590 states. [2020-10-15 06:53:02,125 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2590 states to 2590 states and 3365 transitions. [2020-10-15 06:53:02,128 INFO L78 Accepts]: Start accepts. Automaton has 2590 states and 3365 transitions. Word has length 26 [2020-10-15 06:53:02,129 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-15 06:53:02,129 INFO L479 AbstractCegarLoop]: Abstraction has 2590 states and 3365 transitions. [2020-10-15 06:53:02,129 INFO L480 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-10-15 06:53:02,130 INFO L276 IsEmpty]: Start isEmpty. Operand 2590 states and 3365 transitions. [2020-10-15 06:53:02,131 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2020-10-15 06:53:02,132 INFO L414 BasicCegarLoop]: Found error trace [2020-10-15 06:53:02,132 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] [2020-10-15 06:53:02,132 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-10-15 06:53:02,132 INFO L427 AbstractCegarLoop]: === Iteration 2 === [ldv_blast_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-15 06:53:02,133 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-15 06:53:02,133 INFO L82 PathProgramCache]: Analyzing trace with hash 154141895, now seen corresponding path program 1 times [2020-10-15 06:53:02,133 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-15 06:53:02,133 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [788220822] [2020-10-15 06:53:02,133 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-15 06:53:02,387 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 06:53:02,620 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 06:53:07,786 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 06:53:07,787 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 43 [2020-10-15 06:53:07,787 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 06:53:07,787 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5397 [2020-10-15 06:53:07,788 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 06:53:07,788 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 06:53:07,788 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-15 06:53:07,789 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-15 06:53:07,789 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 34 [2020-10-15 06:53:07,789 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 06:53:15,268 WARN L193 SmtUtils]: Spent 7.10 s on a formula simplification that was a NOOP. DAG size: 1345 [2020-10-15 06:53:15,276 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-15 06:53:15,403 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 06:53:15,508 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 06:53:19,081 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 06:53:19,081 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-15 06:53:19,082 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 06:53:19,082 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3676 [2020-10-15 06:53:19,082 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 06:53:19,082 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 06:53:19,082 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-15 06:53:19,083 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 06:53:19,083 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-10-15 06:53:19,083 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 06:53:19,267 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-15 06:53:19,268 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 06:53:19,273 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 06:53:19,278 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 06:53:19,278 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-15 06:53:19,278 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 06:53:19,278 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 9 [2020-10-15 06:53:19,279 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 06:53:19,279 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 06:53:19,279 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-15 06:53:19,279 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 06:53:19,279 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-10-15 06:53:19,280 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 06:53:19,286 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-10-15 06:53:19,294 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 06:53:19,300 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 06:53:19,313 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 06:53:19,313 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 17 [2020-10-15 06:53:19,314 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 06:53:19,314 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 18 [2020-10-15 06:53:19,314 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 06:53:19,314 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 06:53:19,314 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-15 06:53:19,315 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 06:53:19,315 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 14 [2020-10-15 06:53:19,315 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 06:53:19,323 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-15 06:53:19,324 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 06:53:19,331 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 06:53:19,334 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 06:53:19,335 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-15 06:53:19,335 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 06:53:19,335 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 9 [2020-10-15 06:53:19,335 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 06:53:19,336 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 06:53:19,336 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 06:53:19,336 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 06:53:19,337 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 06:53:19,337 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 06:53:19,362 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-15 06:53:19,362 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [788220822] [2020-10-15 06:53:19,362 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-15 06:53:19,363 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2020-10-15 06:53:19,363 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [30353619] [2020-10-15 06:53:19,364 INFO L459 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-10-15 06:53:19,365 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-15 06:53:19,365 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-10-15 06:53:19,365 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2020-10-15 06:53:19,365 INFO L87 Difference]: Start difference. First operand 2590 states and 3365 transitions. Second operand 4 states. [2020-10-15 06:53:28,895 WARN L193 SmtUtils]: Spent 7.07 s on a formula simplification that was a NOOP. DAG size: 1347 [2020-10-15 06:54:05,422 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-15 06:54:05,422 INFO L93 Difference]: Finished difference Result 2755 states and 3603 transitions. [2020-10-15 06:54:05,425 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-10-15 06:54:05,425 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 27 [2020-10-15 06:54:05,426 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-15 06:54:05,442 INFO L225 Difference]: With dead ends: 2755 [2020-10-15 06:54:05,443 INFO L226 Difference]: Without dead ends: 2740 [2020-10-15 06:54:05,445 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 12 GetRequests, 9 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 14.2s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2020-10-15 06:54:05,449 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2740 states. [2020-10-15 06:54:06,889 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2740 to 2577. [2020-10-15 06:54:06,889 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2577 states. [2020-10-15 06:54:06,902 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2577 states to 2577 states and 3345 transitions. [2020-10-15 06:54:06,903 INFO L78 Accepts]: Start accepts. Automaton has 2577 states and 3345 transitions. Word has length 27 [2020-10-15 06:54:06,903 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-15 06:54:06,904 INFO L479 AbstractCegarLoop]: Abstraction has 2577 states and 3345 transitions. [2020-10-15 06:54:06,904 INFO L480 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-10-15 06:54:06,904 INFO L276 IsEmpty]: Start isEmpty. Operand 2577 states and 3345 transitions. [2020-10-15 06:54:06,918 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 126 [2020-10-15 06:54:06,919 INFO L414 BasicCegarLoop]: Found error trace [2020-10-15 06:54:06,919 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] [2020-10-15 06:54:06,919 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-10-15 06:54:06,920 INFO L427 AbstractCegarLoop]: === Iteration 3 === [ldv_blast_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-15 06:54:06,920 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-15 06:54:06,920 INFO L82 PathProgramCache]: Analyzing trace with hash -937287226, now seen corresponding path program 1 times [2020-10-15 06:54:06,920 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-15 06:54:06,921 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [2082749856] [2020-10-15 06:54:06,921 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-15 06:54:07,164 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 06:54:07,454 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 06:54:08,200 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 06:54:11,716 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 06:54:11,887 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 06:54:12,193 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 06:54:12,193 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 169 [2020-10-15 06:54:12,193 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 4 [2020-10-15 06:54:12,194 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5025 [2020-10-15 06:54:12,195 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 06:54:12,195 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 06:54:12,195 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 7 [2020-10-15 06:54:12,195 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-15 06:54:12,195 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 85 [2020-10-15 06:54:12,196 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 06:54:20,113 WARN L193 SmtUtils]: Spent 7.35 s on a formula simplification that was a NOOP. DAG size: 1345 [2020-10-15 06:54:20,116 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-15 06:54:20,218 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 06:54:20,310 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 06:54:24,472 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 06:54:24,472 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-15 06:54:24,472 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 06:54:24,473 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4251 [2020-10-15 06:54:24,473 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 06:54:24,473 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 06:54:24,473 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-15 06:54:24,474 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 06:54:24,474 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-10-15 06:54:24,474 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 06:54:24,631 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-15 06:54:24,634 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 06:54:24,639 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 06:54:24,649 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 06:54:24,649 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-15 06:54:24,650 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 06:54:24,650 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 14 [2020-10-15 06:54:24,650 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 06:54:24,651 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 06:54:24,651 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-15 06:54:24,651 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 06:54:24,651 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-10-15 06:54:24,652 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 06:54:24,658 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-10-15 06:54:24,661 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 06:54:24,667 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 06:54:24,678 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 06:54:24,679 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 17 [2020-10-15 06:54:24,679 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 06:54:24,679 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 16 [2020-10-15 06:54:24,680 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 06:54:24,680 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 06:54:24,680 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-15 06:54:24,680 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 06:54:24,681 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 14 [2020-10-15 06:54:24,681 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 06:54:24,692 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-15 06:54:24,694 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 06:54:24,699 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 06:54:24,703 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 06:54:24,703 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-15 06:54:24,704 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 06:54:24,704 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 8 [2020-10-15 06:54:24,704 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 06:54:24,705 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 06:54:24,705 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 06:54:24,705 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 06:54:24,705 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 06:54:24,706 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 06:54:24,759 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2020-10-15 06:54:24,774 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 06:54:24,788 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 06:54:24,878 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 06:54:24,879 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 39 [2020-10-15 06:54:24,879 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 06:54:24,879 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 103 [2020-10-15 06:54:24,879 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 06:54:24,880 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 06:54:24,880 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-15 06:54:24,880 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-15 06:54:24,880 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 39 [2020-10-15 06:54:24,880 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 06:54:24,928 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-15 06:54:24,930 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 06:54:24,934 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 06:54:24,939 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 06:54:24,939 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-15 06:54:24,940 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 06:54:24,940 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 8 [2020-10-15 06:54:24,940 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 06:54:24,940 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 06:54:24,941 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-15 06:54:24,941 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 06:54:24,941 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-15 06:54:24,941 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 06:54:24,979 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-15 06:54:24,983 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 06:54:24,991 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 06:54:25,004 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 06:54:25,004 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 23 [2020-10-15 06:54:25,005 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 06:54:25,005 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 19 [2020-10-15 06:54:25,005 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 06:54:25,006 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 06:54:25,006 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-15 06:54:25,006 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 06:54:25,007 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 20 [2020-10-15 06:54:25,007 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 06:54:25,017 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-15 06:54:25,018 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 06:54:25,023 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 06:54:25,029 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 06:54:25,029 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 16 [2020-10-15 06:54:25,029 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 06:54:25,030 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 10 [2020-10-15 06:54:25,030 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 06:54:25,031 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 06:54:25,031 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 06:54:25,031 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 06:54:25,032 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 06:54:25,032 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 06:54:25,039 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-15 06:54:25,040 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 06:54:25,045 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 06:54:25,052 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 06:54:25,053 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-15 06:54:25,053 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 06:54:25,053 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 11 [2020-10-15 06:54:25,053 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 06:54:25,054 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 06:54:25,054 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 06:54:25,054 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 06:54:25,054 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 06:54:25,054 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 06:54:25,062 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 67 [2020-10-15 06:54:25,076 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 06:54:25,082 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 06:54:25,090 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 06:54:25,091 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 17 [2020-10-15 06:54:25,091 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 06:54:25,091 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 14 [2020-10-15 06:54:25,092 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 06:54:25,092 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 06:54:25,092 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 06:54:25,093 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 14 [2020-10-15 06:54:25,093 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 06:54:25,093 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 06:54:25,099 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-15 06:54:25,102 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 06:54:25,105 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 06:54:25,110 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 06:54:25,111 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-15 06:54:25,111 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 06:54:25,111 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 8 [2020-10-15 06:54:25,111 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 06:54:25,112 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 06:54:25,112 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 06:54:25,112 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 06:54:25,112 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 06:54:25,112 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 06:54:25,147 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 79 [2020-10-15 06:54:25,148 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 06:54:25,153 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 06:54:25,156 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 06:54:25,156 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-15 06:54:25,156 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 06:54:25,157 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-10-15 06:54:25,157 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 06:54:25,157 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 06:54:25,157 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 06:54:25,158 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-15 06:54:25,158 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 06:54:25,159 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 06:54:25,165 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 88 [2020-10-15 06:54:25,168 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 06:54:25,174 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 06:54:25,183 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 06:54:25,183 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 17 [2020-10-15 06:54:25,183 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 06:54:25,183 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 14 [2020-10-15 06:54:25,184 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 06:54:25,184 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 06:54:25,184 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 06:54:25,184 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 14 [2020-10-15 06:54:25,184 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 06:54:25,185 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 06:54:25,192 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-15 06:54:25,197 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 06:54:25,201 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 06:54:25,207 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 06:54:25,207 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-15 06:54:25,207 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 06:54:25,208 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 9 [2020-10-15 06:54:25,208 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 06:54:25,208 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 06:54:25,208 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 06:54:25,208 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 06:54:25,209 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 06:54:25,209 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 06:54:25,215 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2020-10-15 06:54:25,215 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 06:54:25,219 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 06:54:25,227 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 06:54:25,227 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-15 06:54:25,227 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 06:54:25,228 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 10 [2020-10-15 06:54:25,228 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 06:54:25,228 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 06:54:25,228 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 06:54:25,229 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-15 06:54:25,229 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 06:54:25,229 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 06:54:25,235 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 107 [2020-10-15 06:54:25,236 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 06:54:25,240 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 06:54:25,243 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 06:54:25,243 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-15 06:54:25,243 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 06:54:25,244 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-15 06:54:25,244 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 06:54:25,244 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 06:54:25,244 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 06:54:25,244 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-15 06:54:25,245 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 06:54:25,245 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 06:54:25,250 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 112 [2020-10-15 06:54:25,251 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 06:54:25,257 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 06:54:25,260 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 06:54:25,261 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-15 06:54:25,261 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 06:54:25,261 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 9 [2020-10-15 06:54:25,261 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 06:54:25,264 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 06:54:25,264 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 06:54:25,264 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-15 06:54:25,264 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 06:54:25,265 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 3 [2020-10-15 06:54:25,366 INFO L134 CoverageAnalysis]: Checked inductivity of 19 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 19 trivial. 0 not checked. [2020-10-15 06:54:25,367 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [2082749856] [2020-10-15 06:54:25,368 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-15 06:54:25,368 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2020-10-15 06:54:25,368 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [773544249] [2020-10-15 06:54:25,369 INFO L459 AbstractCegarLoop]: Interpolant automaton has 9 states [2020-10-15 06:54:25,370 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-15 06:54:25,370 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2020-10-15 06:54:25,370 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=51, Unknown=0, NotChecked=0, Total=72 [2020-10-15 06:54:25,370 INFO L87 Difference]: Start difference. First operand 2577 states and 3345 transitions. Second operand 9 states. [2020-10-15 06:54:32,368 WARN L193 SmtUtils]: Spent 6.95 s on a formula simplification that was a NOOP. DAG size: 1354 [2020-10-15 06:54:42,047 WARN L193 SmtUtils]: Spent 7.10 s on a formula simplification that was a NOOP. DAG size: 1358