/usr/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata ./data -tc ../../../trunk/examples/toolchains/AutomizerC.xml --traceabstraction.trace.refinement.strategy FIXED_PREFERENCES --traceabstraction.compute.interpolants.along.a.counterexample Craig_NestedInterpolation --traceabstraction.smt.solver Internal_SMTInterpol --traceabstraction.compute.trace.for.counterexample.result false --rcfgbuilder.size.of.a.code.block SequenceOfStatements --traceabstraction.use.minimal.unsat.core.enumeration true --traceabstraction.additional.smt.options produce-proofs=true --traceabstraction.additional.smt.options produce-unsat-cores=true --traceabstraction.additional.smt.options enumeration-timeout=5000 --traceabstraction.additional.smt.options interpolation-heuristic=WIDESTAMONGSMALL --traceabstraction.additional.smt.options tolerance=0.4 --traceabstraction.additional.smt.options log-additional-information=true --traceabstraction.additional.smt.options unknown-allowed=true -s ../../../trunk/examples/settings/default/automizer/svcomp-Reach-64bit-Automizer_Default.epf -i ../../../trunk/examples/svcomp/ldv-linux-3.0/usb_urb-drivers-usb-serial-whiteheat.ko.cil.out.i -------------------------------------------------------------------------------- This is Ultimate 0.1.25-adbd35c [2020-10-14 12:14:35,763 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-10-14 12:14:35,767 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-10-14 12:14:35,806 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-10-14 12:14:35,807 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-10-14 12:14:35,808 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-10-14 12:14:35,809 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-10-14 12:14:35,811 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-10-14 12:14:35,813 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-10-14 12:14:35,814 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-10-14 12:14:35,814 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-10-14 12:14:35,816 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-10-14 12:14:35,816 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-10-14 12:14:35,817 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-10-14 12:14:35,818 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-10-14 12:14:35,819 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-10-14 12:14:35,820 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-10-14 12:14:35,821 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-10-14 12:14:35,822 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-10-14 12:14:35,824 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-10-14 12:14:35,826 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-10-14 12:14:35,827 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-10-14 12:14:35,828 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-10-14 12:14:35,829 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-10-14 12:14:35,831 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-10-14 12:14:35,831 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-10-14 12:14:35,832 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-10-14 12:14:35,833 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-10-14 12:14:35,833 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-10-14 12:14:35,834 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-10-14 12:14:35,834 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-10-14 12:14:35,835 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-10-14 12:14:35,836 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-10-14 12:14:35,836 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-10-14 12:14:35,837 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-10-14 12:14:35,837 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-10-14 12:14:35,838 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-10-14 12:14:35,838 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-10-14 12:14:35,839 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-10-14 12:14:35,839 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-10-14 12:14:35,840 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-10-14 12:14:35,841 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/default/automizer/svcomp-Reach-64bit-Automizer_Default.epf [2020-10-14 12:14:35,862 INFO L113 SettingsManager]: Loading preferences was successful [2020-10-14 12:14:35,862 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-10-14 12:14:35,863 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-10-14 12:14:35,863 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-10-14 12:14:35,864 INFO L138 SettingsManager]: * Use SBE=true [2020-10-14 12:14:35,864 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-10-14 12:14:35,864 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-10-14 12:14:35,864 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-10-14 12:14:35,865 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-10-14 12:14:35,865 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-10-14 12:14:35,865 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-10-14 12:14:35,865 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-10-14 12:14:35,865 INFO L138 SettingsManager]: * Use constant arrays=true [2020-10-14 12:14:35,866 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-10-14 12:14:35,866 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-10-14 12:14:35,866 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-10-14 12:14:35,866 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-10-14 12:14:35,866 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-10-14 12:14:35,867 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-10-14 12:14:35,867 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-10-14 12:14:35,867 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-10-14 12:14:35,867 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-10-14 12:14:35,867 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-10-14 12:14:35,868 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-10-14 12:14:35,868 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-10-14 12:14:35,868 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-10-14 12:14:35,868 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2020-10-14 12:14:35,868 INFO L138 SettingsManager]: * To the following directory=dump/ Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Trace refinement strategy -> FIXED_PREFERENCES Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute Interpolants along a Counterexample -> Craig_NestedInterpolation Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: SMT solver -> Internal_SMTInterpol Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute trace for counterexample result -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder: Size of a code block -> SequenceOfStatements Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Use minimal unsat core enumeration -> true Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=5000;interpolation-heuristic=WIDESTAMONGSMALL;tolerance=0.4;log-additional-information=true;unknown-allowed=true; Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=5000;interpolation-heuristic=WIDESTAMONGSMALL;tolerance=0.4;log-additional-information=true;unknown-allowed=true; Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=5000;interpolation-heuristic=WIDESTAMONGSMALL;tolerance=0.4;log-additional-information=true;unknown-allowed=true; Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=5000;interpolation-heuristic=WIDESTAMONGSMALL;tolerance=0.4;log-additional-information=true;unknown-allowed=true; Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=5000;interpolation-heuristic=WIDESTAMONGSMALL;tolerance=0.4;log-additional-information=true;unknown-allowed=true; Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=5000;interpolation-heuristic=WIDESTAMONGSMALL;tolerance=0.4;log-additional-information=true;unknown-allowed=true; Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=5000;interpolation-heuristic=WIDESTAMONGSMALL;tolerance=0.4;log-additional-information=true;unknown-allowed=true; [2020-10-14 12:14:36,191 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-10-14 12:14:36,210 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-10-14 12:14:36,218 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-10-14 12:14:36,219 INFO L271 PluginConnector]: Initializing CDTParser... [2020-10-14 12:14:36,219 INFO L275 PluginConnector]: CDTParser initialized [2020-10-14 12:14:36,220 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/ldv-linux-3.0/usb_urb-drivers-usb-serial-whiteheat.ko.cil.out.i [2020-10-14 12:14:36,292 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/f7de97fde/c402690010184163a8a67ffa22093b5a/FLAGd99ab9749 [2020-10-14 12:14:37,097 INFO L306 CDTParser]: Found 1 translation units. [2020-10-14 12:14:37,097 INFO L160 CDTParser]: Scanning /storage/repos/ultimate-2/trunk/examples/svcomp/ldv-linux-3.0/usb_urb-drivers-usb-serial-whiteheat.ko.cil.out.i [2020-10-14 12:14:37,145 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/f7de97fde/c402690010184163a8a67ffa22093b5a/FLAGd99ab9749 [2020-10-14 12:14:37,629 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/f7de97fde/c402690010184163a8a67ffa22093b5a [2020-10-14 12:14:37,638 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-10-14 12:14:37,639 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-10-14 12:14:37,640 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-10-14 12:14:37,640 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-10-14 12:14:37,644 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-10-14 12:14:37,645 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.10 12:14:37" (1/1) ... [2020-10-14 12:14:37,648 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@427c53a5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 12:14:37, skipping insertion in model container [2020-10-14 12:14:37,648 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.10 12:14:37" (1/1) ... [2020-10-14 12:14:37,656 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-10-14 12:14:37,764 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-10-14 12:14:39,423 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-14 12:14:39,496 INFO L203 MainTranslator]: Completed pre-run [2020-10-14 12:14:39,768 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-14 12:14:40,064 INFO L208 MainTranslator]: Completed translation [2020-10-14 12:14:40,065 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 12:14:40 WrapperNode [2020-10-14 12:14:40,065 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-10-14 12:14:40,066 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-10-14 12:14:40,067 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-10-14 12:14:40,067 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-10-14 12:14:40,089 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 12:14:40" (1/1) ... [2020-10-14 12:14:40,090 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 12:14:40" (1/1) ... [2020-10-14 12:14:40,219 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 12:14:40" (1/1) ... [2020-10-14 12:14:40,219 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 12:14:40" (1/1) ... [2020-10-14 12:14:40,348 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 12:14:40" (1/1) ... [2020-10-14 12:14:40,382 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 12:14:40" (1/1) ... [2020-10-14 12:14:40,421 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 12:14:40" (1/1) ... [2020-10-14 12:14:40,455 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-10-14 12:14:40,456 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-10-14 12:14:40,456 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-10-14 12:14:40,456 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-10-14 12:14:40,457 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 12:14:40" (1/1) ... No working directory specified, using /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-10-14 12:14:40,537 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-10-14 12:14:40,537 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-10-14 12:14:40,537 INFO L138 BoogieDeclarations]: Found implementation of procedure __arch_swab32 [2020-10-14 12:14:40,538 INFO L138 BoogieDeclarations]: Found implementation of procedure __fswab16 [2020-10-14 12:14:40,538 INFO L138 BoogieDeclarations]: Found implementation of procedure __fswab32 [2020-10-14 12:14:40,538 INFO L138 BoogieDeclarations]: Found implementation of procedure get_current [2020-10-14 12:14:40,539 INFO L138 BoogieDeclarations]: Found implementation of procedure INIT_LIST_HEAD [2020-10-14 12:14:40,540 INFO L138 BoogieDeclarations]: Found implementation of procedure list_add [2020-10-14 12:14:40,540 INFO L138 BoogieDeclarations]: Found implementation of procedure list_add_tail [2020-10-14 12:14:40,541 INFO L138 BoogieDeclarations]: Found implementation of procedure list_move [2020-10-14 12:14:40,541 INFO L138 BoogieDeclarations]: Found implementation of procedure list_empty [2020-10-14 12:14:40,541 INFO L138 BoogieDeclarations]: Found implementation of procedure spinlock_check [2020-10-14 12:14:40,541 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_lock [2020-10-14 12:14:40,542 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_lock_irq [2020-10-14 12:14:40,542 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock [2020-10-14 12:14:40,542 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock_irq [2020-10-14 12:14:40,542 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock_irqrestore [2020-10-14 12:14:40,544 INFO L138 BoogieDeclarations]: Found implementation of procedure kmalloc [2020-10-14 12:14:40,544 INFO L138 BoogieDeclarations]: Found implementation of procedure copy_to_user [2020-10-14 12:14:40,545 INFO L138 BoogieDeclarations]: Found implementation of procedure device_private_init [2020-10-14 12:14:40,545 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_get_drvdata [2020-10-14 12:14:40,545 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_set_drvdata [2020-10-14 12:14:40,545 INFO L138 BoogieDeclarations]: Found implementation of procedure tty_insert_flip_string [2020-10-14 12:14:40,546 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_register [2020-10-14 12:14:40,546 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_fill_bulk_urb [2020-10-14 12:14:40,546 INFO L138 BoogieDeclarations]: Found implementation of procedure __create_pipe [2020-10-14 12:14:40,546 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_get_serial_port_data [2020-10-14 12:14:40,546 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_set_serial_port_data [2020-10-14 12:14:40,546 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_serial_debug_data [2020-10-14 12:14:40,546 INFO L138 BoogieDeclarations]: Found implementation of procedure ihex_next_binrec [2020-10-14 12:14:40,547 INFO L138 BoogieDeclarations]: Found implementation of procedure ihex_validate_fw [2020-10-14 12:14:40,547 INFO L138 BoogieDeclarations]: Found implementation of procedure request_ihex_firmware [2020-10-14 12:14:40,547 INFO L138 BoogieDeclarations]: Found implementation of procedure whiteheat_firmware_download [2020-10-14 12:14:40,547 INFO L138 BoogieDeclarations]: Found implementation of procedure whiteheat_firmware_attach [2020-10-14 12:14:40,547 INFO L138 BoogieDeclarations]: Found implementation of procedure whiteheat_attach [2020-10-14 12:14:40,547 INFO L138 BoogieDeclarations]: Found implementation of procedure whiteheat_release [2020-10-14 12:14:40,547 INFO L138 BoogieDeclarations]: Found implementation of procedure whiteheat_open [2020-10-14 12:14:40,548 INFO L138 BoogieDeclarations]: Found implementation of procedure whiteheat_close [2020-10-14 12:14:40,548 INFO L138 BoogieDeclarations]: Found implementation of procedure whiteheat_write [2020-10-14 12:14:40,549 INFO L138 BoogieDeclarations]: Found implementation of procedure whiteheat_write_room [2020-10-14 12:14:40,549 INFO L138 BoogieDeclarations]: Found implementation of procedure whiteheat_tiocmget [2020-10-14 12:14:40,549 INFO L138 BoogieDeclarations]: Found implementation of procedure whiteheat_tiocmset [2020-10-14 12:14:40,550 INFO L138 BoogieDeclarations]: Found implementation of procedure whiteheat_ioctl [2020-10-14 12:14:40,550 INFO L138 BoogieDeclarations]: Found implementation of procedure whiteheat_set_termios [2020-10-14 12:14:40,550 INFO L138 BoogieDeclarations]: Found implementation of procedure whiteheat_break_ctl [2020-10-14 12:14:40,550 INFO L138 BoogieDeclarations]: Found implementation of procedure whiteheat_chars_in_buffer [2020-10-14 12:14:40,550 INFO L138 BoogieDeclarations]: Found implementation of procedure whiteheat_throttle [2020-10-14 12:14:40,550 INFO L138 BoogieDeclarations]: Found implementation of procedure whiteheat_unthrottle [2020-10-14 12:14:40,550 INFO L138 BoogieDeclarations]: Found implementation of procedure command_port_write_callback [2020-10-14 12:14:40,551 INFO L138 BoogieDeclarations]: Found implementation of procedure command_port_read_callback [2020-10-14 12:14:40,551 INFO L138 BoogieDeclarations]: Found implementation of procedure whiteheat_read_callback [2020-10-14 12:14:40,551 INFO L138 BoogieDeclarations]: Found implementation of procedure whiteheat_write_callback [2020-10-14 12:14:40,551 INFO L138 BoogieDeclarations]: Found implementation of procedure firm_send_command [2020-10-14 12:14:40,551 INFO L138 BoogieDeclarations]: Found implementation of procedure firm_open [2020-10-14 12:14:40,552 INFO L138 BoogieDeclarations]: Found implementation of procedure firm_close [2020-10-14 12:14:40,552 INFO L138 BoogieDeclarations]: Found implementation of procedure firm_setup_port [2020-10-14 12:14:40,552 INFO L138 BoogieDeclarations]: Found implementation of procedure firm_set_rts [2020-10-14 12:14:40,552 INFO L138 BoogieDeclarations]: Found implementation of procedure firm_set_dtr [2020-10-14 12:14:40,552 INFO L138 BoogieDeclarations]: Found implementation of procedure firm_set_break [2020-10-14 12:14:40,552 INFO L138 BoogieDeclarations]: Found implementation of procedure firm_purge [2020-10-14 12:14:40,553 INFO L138 BoogieDeclarations]: Found implementation of procedure firm_get_dtr_rts [2020-10-14 12:14:40,553 INFO L138 BoogieDeclarations]: Found implementation of procedure firm_report_tx_done [2020-10-14 12:14:40,553 INFO L138 BoogieDeclarations]: Found implementation of procedure start_command_port [2020-10-14 12:14:40,553 INFO L138 BoogieDeclarations]: Found implementation of procedure stop_command_port [2020-10-14 12:14:40,553 INFO L138 BoogieDeclarations]: Found implementation of procedure start_port_read [2020-10-14 12:14:40,553 INFO L138 BoogieDeclarations]: Found implementation of procedure urb_to_wrap [2020-10-14 12:14:40,553 INFO L138 BoogieDeclarations]: Found implementation of procedure list_first [2020-10-14 12:14:40,553 INFO L138 BoogieDeclarations]: Found implementation of procedure rx_data_softint [2020-10-14 12:14:40,554 INFO L138 BoogieDeclarations]: Found implementation of procedure whiteheat_init [2020-10-14 12:14:40,554 INFO L138 BoogieDeclarations]: Found implementation of procedure whiteheat_exit [2020-10-14 12:14:40,554 INFO L138 BoogieDeclarations]: Found implementation of procedure init_module [2020-10-14 12:14:40,555 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup_module [2020-10-14 12:14:40,555 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-10-14 12:14:40,556 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_blast_assert [2020-10-14 12:14:40,556 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assume_stop [2020-10-14 12:14:40,556 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_alloc_coherent [2020-10-14 12:14:40,556 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_free_coherent [2020-10-14 12:14:40,556 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_alloc_urb [2020-10-14 12:14:40,557 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_free_urb [2020-10-14 12:14:40,557 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_final_state [2020-10-14 12:14:40,557 INFO L138 BoogieDeclarations]: Found implementation of procedure __init_waitqueue_head [2020-10-14 12:14:40,557 INFO L138 BoogieDeclarations]: Found implementation of procedure __init_work [2020-10-14 12:14:40,557 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2020-10-14 12:14:40,557 INFO L138 BoogieDeclarations]: Found implementation of procedure __kmalloc [2020-10-14 12:14:40,557 INFO L138 BoogieDeclarations]: Found implementation of procedure __list_add [2020-10-14 12:14:40,558 INFO L138 BoogieDeclarations]: Found implementation of procedure __list_del_entry [2020-10-14 12:14:40,558 INFO L138 BoogieDeclarations]: Found implementation of procedure __mutex_init [2020-10-14 12:14:40,559 INFO L138 BoogieDeclarations]: Found implementation of procedure __raw_spin_lock_init [2020-10-14 12:14:40,559 INFO L138 BoogieDeclarations]: Found implementation of procedure __wake_up [2020-10-14 12:14:40,559 INFO L138 BoogieDeclarations]: Found implementation of procedure _copy_to_user [2020-10-14 12:14:40,559 INFO L138 BoogieDeclarations]: Found implementation of procedure _dev_info [2020-10-14 12:14:40,559 INFO L138 BoogieDeclarations]: Found implementation of procedure _raw_spin_lock [2020-10-14 12:14:40,559 INFO L138 BoogieDeclarations]: Found implementation of procedure _raw_spin_lock_irq [2020-10-14 12:14:40,560 INFO L138 BoogieDeclarations]: Found implementation of procedure _raw_spin_lock_irqsave [2020-10-14 12:14:40,560 INFO L138 BoogieDeclarations]: Found implementation of procedure _raw_spin_unlock [2020-10-14 12:14:40,560 INFO L138 BoogieDeclarations]: Found implementation of procedure _raw_spin_unlock_irq [2020-10-14 12:14:40,560 INFO L138 BoogieDeclarations]: Found implementation of procedure _raw_spin_unlock_irqrestore [2020-10-14 12:14:40,560 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_err [2020-10-14 12:14:40,560 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_printk [2020-10-14 12:14:40,560 INFO L138 BoogieDeclarations]: Found implementation of procedure ezusb_set_reset [2020-10-14 12:14:40,561 INFO L138 BoogieDeclarations]: Found implementation of procedure ezusb_writememory [2020-10-14 12:14:40,561 INFO L138 BoogieDeclarations]: Found implementation of procedure finish_wait [2020-10-14 12:14:40,561 INFO L138 BoogieDeclarations]: Found implementation of procedure kzalloc [2020-10-14 12:14:40,561 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_return_value [2020-10-14 12:14:40,561 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_initialize [2020-10-14 12:14:40,561 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undefined_pointer [2020-10-14 12:14:40,561 INFO L138 BoogieDeclarations]: Found implementation of procedure list_del [2020-10-14 12:14:40,562 INFO L138 BoogieDeclarations]: Found implementation of procedure lockdep_init_map [2020-10-14 12:14:40,562 INFO L138 BoogieDeclarations]: Found implementation of procedure might_fault [2020-10-14 12:14:40,562 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_lock_nested [2020-10-14 12:14:40,562 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_unlock [2020-10-14 12:14:40,562 INFO L138 BoogieDeclarations]: Found implementation of procedure prepare_to_wait [2020-10-14 12:14:40,562 INFO L138 BoogieDeclarations]: Found implementation of procedure printk [2020-10-14 12:14:40,562 INFO L138 BoogieDeclarations]: Found implementation of procedure release_firmware [2020-10-14 12:14:40,562 INFO L138 BoogieDeclarations]: Found implementation of procedure request_firmware [2020-10-14 12:14:40,563 INFO L138 BoogieDeclarations]: Found implementation of procedure schedule_timeout [2020-10-14 12:14:40,563 INFO L138 BoogieDeclarations]: Found implementation of procedure schedule_work [2020-10-14 12:14:40,563 INFO L138 BoogieDeclarations]: Found implementation of procedure tty_encode_baud_rate [2020-10-14 12:14:40,563 INFO L138 BoogieDeclarations]: Found implementation of procedure tty_flip_buffer_push [2020-10-14 12:14:40,563 INFO L138 BoogieDeclarations]: Found implementation of procedure tty_get_baud_rate [2020-10-14 12:14:40,564 INFO L138 BoogieDeclarations]: Found implementation of procedure tty_insert_flip_string_fixed_flag [2020-10-14 12:14:40,564 INFO L138 BoogieDeclarations]: Found implementation of procedure tty_kref_put [2020-10-14 12:14:40,564 INFO L138 BoogieDeclarations]: Found implementation of procedure tty_port_tty_get [2020-10-14 12:14:40,564 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_bulk_msg [2020-10-14 12:14:40,565 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_clear_halt [2020-10-14 12:14:40,565 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_deregister [2020-10-14 12:14:40,566 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_kill_urb [2020-10-14 12:14:40,566 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_register_driver [2020-10-14 12:14:40,569 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_serial_deregister [2020-10-14 12:14:40,569 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_serial_port_softint [2020-10-14 12:14:40,569 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_serial_register [2020-10-14 12:14:40,570 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_submit_urb [2020-10-14 12:14:40,570 INFO L138 BoogieDeclarations]: Found implementation of procedure autoremove_wake_function [2020-10-14 12:14:40,570 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree [2020-10-14 12:14:40,570 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2020-10-14 12:14:40,571 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy [2020-10-14 12:14:40,571 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2020-10-14 12:14:40,571 INFO L130 BoogieDeclarations]: Found specification of procedure __arch_swab32 [2020-10-14 12:14:40,571 INFO L130 BoogieDeclarations]: Found specification of procedure __fswab16 [2020-10-14 12:14:40,572 INFO L130 BoogieDeclarations]: Found specification of procedure __fswab32 [2020-10-14 12:14:40,572 INFO L130 BoogieDeclarations]: Found specification of procedure printk [2020-10-14 12:14:40,572 INFO L130 BoogieDeclarations]: Found specification of procedure might_fault [2020-10-14 12:14:40,572 INFO L130 BoogieDeclarations]: Found specification of procedure __bad_percpu_size [2020-10-14 12:14:40,572 INFO L130 BoogieDeclarations]: Found specification of procedure get_current [2020-10-14 12:14:40,573 INFO L130 BoogieDeclarations]: Found specification of procedure memcpy [2020-10-14 12:14:40,580 INFO L130 BoogieDeclarations]: Found specification of procedure memset [2020-10-14 12:14:40,580 INFO L130 BoogieDeclarations]: Found specification of procedure INIT_LIST_HEAD [2020-10-14 12:14:40,580 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2020-10-14 12:14:40,581 INFO L130 BoogieDeclarations]: Found specification of procedure __list_add [2020-10-14 12:14:40,581 INFO L130 BoogieDeclarations]: Found specification of procedure list_add [2020-10-14 12:14:40,581 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2020-10-14 12:14:40,581 INFO L130 BoogieDeclarations]: Found specification of procedure list_add_tail [2020-10-14 12:14:40,582 INFO L130 BoogieDeclarations]: Found specification of procedure __list_del_entry [2020-10-14 12:14:40,582 INFO L130 BoogieDeclarations]: Found specification of procedure list_del [2020-10-14 12:14:40,582 INFO L130 BoogieDeclarations]: Found specification of procedure list_move [2020-10-14 12:14:40,582 INFO L130 BoogieDeclarations]: Found specification of procedure list_empty [2020-10-14 12:14:40,582 INFO L130 BoogieDeclarations]: Found specification of procedure lockdep_init_map [2020-10-14 12:14:40,582 INFO L130 BoogieDeclarations]: Found specification of procedure __raw_spin_lock_init [2020-10-14 12:14:40,582 INFO L130 BoogieDeclarations]: Found specification of procedure _raw_spin_lock [2020-10-14 12:14:40,582 INFO L130 BoogieDeclarations]: Found specification of procedure _raw_spin_lock_irq [2020-10-14 12:14:40,583 INFO L130 BoogieDeclarations]: Found specification of procedure _raw_spin_lock_irqsave [2020-10-14 12:14:40,583 INFO L130 BoogieDeclarations]: Found specification of procedure _raw_spin_unlock [2020-10-14 12:14:40,583 INFO L130 BoogieDeclarations]: Found specification of procedure _raw_spin_unlock_irq [2020-10-14 12:14:40,583 INFO L130 BoogieDeclarations]: Found specification of procedure _raw_spin_unlock_irqrestore [2020-10-14 12:14:40,583 INFO L130 BoogieDeclarations]: Found specification of procedure spinlock_check [2020-10-14 12:14:40,583 INFO L130 BoogieDeclarations]: Found specification of procedure spin_lock [2020-10-14 12:14:40,583 INFO L130 BoogieDeclarations]: Found specification of procedure spin_lock_irq [2020-10-14 12:14:40,583 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock [2020-10-14 12:14:40,584 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock_irq [2020-10-14 12:14:40,584 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock_irqrestore [2020-10-14 12:14:40,584 INFO L130 BoogieDeclarations]: Found specification of procedure __init_waitqueue_head [2020-10-14 12:14:40,584 INFO L130 BoogieDeclarations]: Found specification of procedure __wake_up [2020-10-14 12:14:40,584 INFO L130 BoogieDeclarations]: Found specification of procedure prepare_to_wait [2020-10-14 12:14:40,584 INFO L130 BoogieDeclarations]: Found specification of procedure finish_wait [2020-10-14 12:14:40,584 INFO L130 BoogieDeclarations]: Found specification of procedure autoremove_wake_function [2020-10-14 12:14:40,584 INFO L130 BoogieDeclarations]: Found specification of procedure __mutex_init [2020-10-14 12:14:40,584 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_lock_nested [2020-10-14 12:14:40,585 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_unlock [2020-10-14 12:14:40,585 INFO L130 BoogieDeclarations]: Found specification of procedure __init_work [2020-10-14 12:14:40,585 INFO L130 BoogieDeclarations]: Found specification of procedure schedule_work [2020-10-14 12:14:40,585 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2020-10-14 12:14:40,585 INFO L130 BoogieDeclarations]: Found specification of procedure kzalloc [2020-10-14 12:14:40,586 INFO L130 BoogieDeclarations]: Found specification of procedure __kmalloc [2020-10-14 12:14:40,586 INFO L130 BoogieDeclarations]: Found specification of procedure kmalloc [2020-10-14 12:14:40,586 INFO L130 BoogieDeclarations]: Found specification of procedure _copy_to_user [2020-10-14 12:14:40,586 INFO L130 BoogieDeclarations]: Found specification of procedure copy_to_user [2020-10-14 12:14:40,586 INFO L130 BoogieDeclarations]: Found specification of procedure init_module [2020-10-14 12:14:40,586 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup_module [2020-10-14 12:14:40,586 INFO L130 BoogieDeclarations]: Found specification of procedure device_private_init [2020-10-14 12:14:40,586 INFO L130 BoogieDeclarations]: Found specification of procedure dev_get_drvdata [2020-10-14 12:14:40,587 INFO L130 BoogieDeclarations]: Found specification of procedure dev_set_drvdata [2020-10-14 12:14:40,587 INFO L130 BoogieDeclarations]: Found specification of procedure dev_printk [2020-10-14 12:14:40,587 INFO L130 BoogieDeclarations]: Found specification of procedure dev_err [2020-10-14 12:14:40,587 INFO L130 BoogieDeclarations]: Found specification of procedure _dev_info [2020-10-14 12:14:40,587 INFO L130 BoogieDeclarations]: Found specification of procedure tty_kref_put [2020-10-14 12:14:40,587 INFO L130 BoogieDeclarations]: Found specification of procedure tty_flip_buffer_push [2020-10-14 12:14:40,587 INFO L130 BoogieDeclarations]: Found specification of procedure tty_get_baud_rate [2020-10-14 12:14:40,587 INFO L130 BoogieDeclarations]: Found specification of procedure tty_encode_baud_rate [2020-10-14 12:14:40,588 INFO L130 BoogieDeclarations]: Found specification of procedure tty_port_tty_get [2020-10-14 12:14:40,588 INFO L130 BoogieDeclarations]: Found specification of procedure tty_insert_flip_string_fixed_flag [2020-10-14 12:14:40,588 INFO L130 BoogieDeclarations]: Found specification of procedure tty_insert_flip_string [2020-10-14 12:14:40,588 INFO L130 BoogieDeclarations]: Found specification of procedure schedule_timeout [2020-10-14 12:14:40,588 INFO L130 BoogieDeclarations]: Found specification of procedure usb_register_driver [2020-10-14 12:14:40,588 INFO L130 BoogieDeclarations]: Found specification of procedure usb_register [2020-10-14 12:14:40,588 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-10-14 12:14:40,588 INFO L130 BoogieDeclarations]: Found specification of procedure usb_deregister [2020-10-14 12:14:40,588 INFO L130 BoogieDeclarations]: Found specification of procedure usb_fill_bulk_urb [2020-10-14 12:14:40,589 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-10-14 12:14:40,589 INFO L130 BoogieDeclarations]: Found specification of procedure usb_alloc_urb [2020-10-14 12:14:40,589 INFO L130 BoogieDeclarations]: Found specification of procedure usb_free_urb [2020-10-14 12:14:40,589 INFO L130 BoogieDeclarations]: Found specification of procedure usb_submit_urb [2020-10-14 12:14:40,589 INFO L130 BoogieDeclarations]: Found specification of procedure usb_kill_urb [2020-10-14 12:14:40,589 INFO L130 BoogieDeclarations]: Found specification of procedure usb_alloc_coherent [2020-10-14 12:14:40,589 INFO L130 BoogieDeclarations]: Found specification of procedure usb_free_coherent [2020-10-14 12:14:40,589 INFO L130 BoogieDeclarations]: Found specification of procedure usb_bulk_msg [2020-10-14 12:14:40,590 INFO L130 BoogieDeclarations]: Found specification of procedure usb_clear_halt [2020-10-14 12:14:40,590 INFO L130 BoogieDeclarations]: Found specification of procedure __create_pipe [2020-10-14 12:14:40,590 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2020-10-14 12:14:40,590 INFO L130 BoogieDeclarations]: Found specification of procedure usb_get_serial_port_data [2020-10-14 12:14:40,590 INFO L130 BoogieDeclarations]: Found specification of procedure usb_set_serial_port_data [2020-10-14 12:14:40,590 INFO L130 BoogieDeclarations]: Found specification of procedure usb_serial_register [2020-10-14 12:14:40,590 INFO L130 BoogieDeclarations]: Found specification of procedure usb_serial_deregister [2020-10-14 12:14:40,590 INFO L130 BoogieDeclarations]: Found specification of procedure usb_serial_port_softint [2020-10-14 12:14:40,590 INFO L130 BoogieDeclarations]: Found specification of procedure usb_serial_probe [2020-10-14 12:14:40,591 INFO L130 BoogieDeclarations]: Found specification of procedure usb_serial_disconnect [2020-10-14 12:14:40,591 INFO L130 BoogieDeclarations]: Found specification of procedure ezusb_writememory [2020-10-14 12:14:40,591 INFO L130 BoogieDeclarations]: Found specification of procedure ezusb_set_reset [2020-10-14 12:14:40,591 INFO L130 BoogieDeclarations]: Found specification of procedure usb_serial_debug_data [2020-10-14 12:14:40,591 INFO L130 BoogieDeclarations]: Found specification of procedure request_firmware [2020-10-14 12:14:40,591 INFO L130 BoogieDeclarations]: Found specification of procedure release_firmware [2020-10-14 12:14:40,591 INFO L130 BoogieDeclarations]: Found specification of procedure ihex_next_binrec [2020-10-14 12:14:40,591 INFO L130 BoogieDeclarations]: Found specification of procedure ihex_validate_fw [2020-10-14 12:14:40,592 INFO L130 BoogieDeclarations]: Found specification of procedure request_ihex_firmware [2020-10-14 12:14:40,592 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-10-14 12:14:40,592 INFO L130 BoogieDeclarations]: Found specification of procedure whiteheat_firmware_download [2020-10-14 12:14:40,592 INFO L130 BoogieDeclarations]: Found specification of procedure whiteheat_firmware_attach [2020-10-14 12:14:40,592 INFO L130 BoogieDeclarations]: Found specification of procedure whiteheat_attach [2020-10-14 12:14:40,592 INFO L130 BoogieDeclarations]: Found specification of procedure whiteheat_release [2020-10-14 12:14:40,592 INFO L130 BoogieDeclarations]: Found specification of procedure whiteheat_open [2020-10-14 12:14:40,592 INFO L130 BoogieDeclarations]: Found specification of procedure whiteheat_close [2020-10-14 12:14:40,592 INFO L130 BoogieDeclarations]: Found specification of procedure whiteheat_write [2020-10-14 12:14:40,593 INFO L130 BoogieDeclarations]: Found specification of procedure whiteheat_write_room [2020-10-14 12:14:40,593 INFO L130 BoogieDeclarations]: Found specification of procedure whiteheat_ioctl [2020-10-14 12:14:40,593 INFO L130 BoogieDeclarations]: Found specification of procedure whiteheat_set_termios [2020-10-14 12:14:40,593 INFO L130 BoogieDeclarations]: Found specification of procedure whiteheat_tiocmget [2020-10-14 12:14:40,593 INFO L130 BoogieDeclarations]: Found specification of procedure whiteheat_tiocmset [2020-10-14 12:14:40,593 INFO L130 BoogieDeclarations]: Found specification of procedure whiteheat_break_ctl [2020-10-14 12:14:40,593 INFO L130 BoogieDeclarations]: Found specification of procedure whiteheat_chars_in_buffer [2020-10-14 12:14:40,593 INFO L130 BoogieDeclarations]: Found specification of procedure whiteheat_throttle [2020-10-14 12:14:40,594 INFO L130 BoogieDeclarations]: Found specification of procedure whiteheat_unthrottle [2020-10-14 12:14:40,594 INFO L130 BoogieDeclarations]: Found specification of procedure whiteheat_read_callback [2020-10-14 12:14:40,594 INFO L130 BoogieDeclarations]: Found specification of procedure whiteheat_write_callback [2020-10-14 12:14:40,594 INFO L130 BoogieDeclarations]: Found specification of procedure start_command_port [2020-10-14 12:14:40,594 INFO L130 BoogieDeclarations]: Found specification of procedure stop_command_port [2020-10-14 12:14:40,595 INFO L130 BoogieDeclarations]: Found specification of procedure command_port_write_callback [2020-10-14 12:14:40,599 INFO L130 BoogieDeclarations]: Found specification of procedure command_port_read_callback [2020-10-14 12:14:40,599 INFO L130 BoogieDeclarations]: Found specification of procedure start_port_read [2020-10-14 12:14:40,599 INFO L130 BoogieDeclarations]: Found specification of procedure urb_to_wrap [2020-10-14 12:14:40,599 INFO L130 BoogieDeclarations]: Found specification of procedure list_first [2020-10-14 12:14:40,599 INFO L130 BoogieDeclarations]: Found specification of procedure rx_data_softint [2020-10-14 12:14:40,599 INFO L130 BoogieDeclarations]: Found specification of procedure firm_send_command [2020-10-14 12:14:40,599 INFO L130 BoogieDeclarations]: Found specification of procedure firm_open [2020-10-14 12:14:40,599 INFO L130 BoogieDeclarations]: Found specification of procedure firm_close [2020-10-14 12:14:40,600 INFO L130 BoogieDeclarations]: Found specification of procedure firm_setup_port [2020-10-14 12:14:40,600 INFO L130 BoogieDeclarations]: Found specification of procedure firm_set_rts [2020-10-14 12:14:40,600 INFO L130 BoogieDeclarations]: Found specification of procedure firm_set_dtr [2020-10-14 12:14:40,600 INFO L130 BoogieDeclarations]: Found specification of procedure firm_set_break [2020-10-14 12:14:40,600 INFO L130 BoogieDeclarations]: Found specification of procedure firm_purge [2020-10-14 12:14:40,600 INFO L130 BoogieDeclarations]: Found specification of procedure firm_get_dtr_rts [2020-10-14 12:14:40,600 INFO L130 BoogieDeclarations]: Found specification of procedure firm_report_tx_done [2020-10-14 12:14:40,600 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy [2020-10-14 12:14:40,600 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2020-10-14 12:14:40,601 INFO L130 BoogieDeclarations]: Found specification of procedure whiteheat_init [2020-10-14 12:14:40,602 INFO L130 BoogieDeclarations]: Found specification of procedure whiteheat_exit [2020-10-14 12:14:40,602 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_final_state [2020-10-14 12:14:40,602 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_return_value [2020-10-14 12:14:40,602 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_initialize [2020-10-14 12:14:40,602 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2020-10-14 12:14:40,603 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-10-14 12:14:40,603 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_blast_assert [2020-10-14 12:14:40,603 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undefined_pointer [2020-10-14 12:14:40,603 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assume_stop [2020-10-14 12:14:40,603 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_bool [2020-10-14 12:14:40,603 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2020-10-14 12:14:40,603 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2020-10-14 12:14:40,603 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2020-10-14 12:14:40,603 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_ulong [2020-10-14 12:14:40,604 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_long [2020-10-14 12:14:40,604 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_uint [2020-10-14 12:14:40,604 INFO L130 BoogieDeclarations]: Found specification of procedure free [2020-10-14 12:14:40,604 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-10-14 12:14:40,604 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-10-14 12:14:40,604 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2020-10-14 12:14:40,604 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-10-14 12:14:40,604 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2020-10-14 12:14:40,604 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int [2020-10-14 12:14:40,605 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2020-10-14 12:14:40,605 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2020-10-14 12:14:41,742 WARN L779 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2020-10-14 12:14:41,757 INFO L732 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##10: assume !false; [2020-10-14 12:14:41,757 INFO L732 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##9: assume false; [2020-10-14 12:14:41,766 WARN L779 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2020-10-14 12:14:42,043 INFO L732 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##12: assume !false; [2020-10-14 12:14:42,043 INFO L732 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##11: assume false; [2020-10-14 12:14:42,677 INFO L732 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_assume_stopFINAL: assume true; [2020-10-14 12:14:50,289 WARN L779 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2020-10-14 12:14:50,348 INFO L732 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##54: assume !false; [2020-10-14 12:14:50,348 INFO L732 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##53: assume false; [2020-10-14 12:14:50,587 WARN L779 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2020-10-14 12:14:50,705 INFO L732 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##8: assume !false; [2020-10-14 12:14:50,705 INFO L732 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##7: assume false; [2020-10-14 12:14:51,095 INFO L290 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-10-14 12:14:51,095 INFO L295 CfgBuilder]: Removed 104 assume(true) statements. [2020-10-14 12:14:51,108 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.10 12:14:51 BoogieIcfgContainer [2020-10-14 12:14:51,108 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-10-14 12:14:51,110 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-10-14 12:14:51,110 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-10-14 12:14:51,113 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-10-14 12:14:51,114 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 14.10 12:14:37" (1/3) ... [2020-10-14 12:14:51,115 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@65573754 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.10 12:14:51, skipping insertion in model container [2020-10-14 12:14:51,115 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 12:14:40" (2/3) ... [2020-10-14 12:14:51,115 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@65573754 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.10 12:14:51, skipping insertion in model container [2020-10-14 12:14:51,115 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.10 12:14:51" (3/3) ... [2020-10-14 12:14:51,117 INFO L109 eAbstractionObserver]: Analyzing ICFG usb_urb-drivers-usb-serial-whiteheat.ko.cil.out.i [2020-10-14 12:14:51,127 INFO L157 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:Craig_NestedInterpolation Determinization: PREDICATE_ABSTRACTION [2020-10-14 12:14:51,138 INFO L169 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-10-14 12:14:51,152 INFO L251 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-10-14 12:14:51,184 INFO L375 AbstractCegarLoop]: Interprodecural is true [2020-10-14 12:14:51,184 INFO L376 AbstractCegarLoop]: Hoare is true [2020-10-14 12:14:51,184 INFO L377 AbstractCegarLoop]: Compute interpolants for Craig_NestedInterpolation [2020-10-14 12:14:51,185 INFO L378 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-10-14 12:14:51,185 INFO L379 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-10-14 12:14:51,185 INFO L380 AbstractCegarLoop]: Difference is false [2020-10-14 12:14:51,185 INFO L381 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-10-14 12:14:51,185 INFO L385 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-10-14 12:14:51,229 INFO L276 IsEmpty]: Start isEmpty. Operand 1378 states. [2020-10-14 12:14:51,235 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2020-10-14 12:14:51,235 INFO L414 BasicCegarLoop]: Found error trace [2020-10-14 12:14:51,236 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] [2020-10-14 12:14:51,237 INFO L427 AbstractCegarLoop]: === Iteration 1 === [ldv_blast_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-14 12:14:51,242 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-14 12:14:51,243 INFO L82 PathProgramCache]: Analyzing trace with hash -1103377426, now seen corresponding path program 1 times [2020-10-14 12:14:51,251 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-14 12:14:51,252 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1223634491] [2020-10-14 12:14:51,252 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-14 12:14:52,178 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 12:14:52,545 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 12:14:59,276 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 12:14:59,276 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 42 [2020-10-14 12:14:59,276 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 12:14:59,276 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7092 [2020-10-14 12:14:59,280 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 12:14:59,281 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 12:14:59,281 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-14 12:14:59,281 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-14 12:14:59,281 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 33 [2020-10-14 12:14:59,281 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 4 [2020-10-14 12:15:06,788 WARN L193 SmtUtils]: Spent 7.03 s on a formula simplification that was a NOOP. DAG size: 1345 [2020-10-14 12:15:06,794 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-14 12:15:06,973 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 12:15:07,122 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 12:15:10,064 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 12:15:10,065 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 12:15:10,065 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 12:15:10,065 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3086 [2020-10-14 12:15:10,066 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 12:15:10,066 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 12:15:10,066 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 12:15:10,067 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 12:15:10,067 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-10-14 12:15:10,068 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 12:15:10,390 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-14 12:15:10,392 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 12:15:10,402 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 12:15:10,412 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 12:15:10,413 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-14 12:15:10,413 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 12:15:10,413 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 19 [2020-10-14 12:15:10,415 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 12:15:10,416 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 12:15:10,416 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 12:15:10,416 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 12:15:10,417 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-10-14 12:15:10,417 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 12:15:10,429 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-10-14 12:15:10,439 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 12:15:10,449 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 12:15:10,485 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 12:15:10,486 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 17 [2020-10-14 12:15:10,486 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 12:15:10,486 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 45 [2020-10-14 12:15:10,487 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 12:15:10,487 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 12:15:10,487 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 12:15:10,488 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 12:15:10,488 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 14 [2020-10-14 12:15:10,488 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 12:15:10,505 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-14 12:15:10,507 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 12:15:10,517 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 12:15:10,523 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 12:15:10,523 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 12:15:10,524 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 12:15:10,524 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 15 [2020-10-14 12:15:10,525 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 12:15:10,525 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 12:15:10,525 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 12:15:10,526 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 12:15:10,526 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 12:15:10,527 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 2 [2020-10-14 12:15:10,576 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-14 12:15:10,577 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1223634491] [2020-10-14 12:15:10,579 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-14 12:15:10,580 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2020-10-14 12:15:10,581 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1418883696] [2020-10-14 12:15:10,593 INFO L459 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-10-14 12:15:10,593 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-14 12:15:10,616 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-10-14 12:15:10,619 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2020-10-14 12:15:10,622 INFO L87 Difference]: Start difference. First operand 1378 states. Second operand 4 states. [2020-10-14 12:15:20,015 WARN L193 SmtUtils]: Spent 7.05 s on a formula simplification that was a NOOP. DAG size: 1347 [2020-10-14 12:16:27,296 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-14 12:16:27,297 INFO L93 Difference]: Finished difference Result 4055 states and 6045 transitions. [2020-10-14 12:16:27,297 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-10-14 12:16:27,298 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 26 [2020-10-14 12:16:27,299 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-14 12:16:27,346 INFO L225 Difference]: With dead ends: 4055 [2020-10-14 12:16:27,347 INFO L226 Difference]: Without dead ends: 2756 [2020-10-14 12:16:27,377 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 13 GetRequests, 10 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 14.2s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2020-10-14 12:16:27,397 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2756 states. [2020-10-14 12:16:28,935 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2756 to 2590. [2020-10-14 12:16:28,936 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2590 states. [2020-10-14 12:16:28,960 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2590 states to 2590 states and 3365 transitions. [2020-10-14 12:16:28,963 INFO L78 Accepts]: Start accepts. Automaton has 2590 states and 3365 transitions. Word has length 26 [2020-10-14 12:16:28,963 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-14 12:16:28,963 INFO L479 AbstractCegarLoop]: Abstraction has 2590 states and 3365 transitions. [2020-10-14 12:16:28,964 INFO L480 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-10-14 12:16:28,964 INFO L276 IsEmpty]: Start isEmpty. Operand 2590 states and 3365 transitions. [2020-10-14 12:16:28,966 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2020-10-14 12:16:28,966 INFO L414 BasicCegarLoop]: Found error trace [2020-10-14 12:16:28,966 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] [2020-10-14 12:16:28,966 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-10-14 12:16:28,967 INFO L427 AbstractCegarLoop]: === Iteration 2 === [ldv_blast_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-14 12:16:28,967 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-14 12:16:28,967 INFO L82 PathProgramCache]: Analyzing trace with hash 154141895, now seen corresponding path program 1 times [2020-10-14 12:16:28,967 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-14 12:16:28,968 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1238110680] [2020-10-14 12:16:28,968 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-14 12:16:29,190 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 12:16:29,398 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 12:16:35,718 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 12:16:35,719 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 43 [2020-10-14 12:16:35,719 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 12:16:35,719 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6526 [2020-10-14 12:16:35,719 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 12:16:35,720 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 12:16:35,720 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 12:16:35,720 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-14 12:16:35,720 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 34 [2020-10-14 12:16:35,720 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 12:16:42,807 WARN L193 SmtUtils]: Spent 6.73 s on a formula simplification that was a NOOP. DAG size: 1345 [2020-10-14 12:16:42,810 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-14 12:16:42,908 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 12:16:42,992 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 12:16:46,206 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 12:16:46,207 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 12:16:46,207 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 12:16:46,207 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3296 [2020-10-14 12:16:46,208 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 12:16:46,208 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 12:16:46,209 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 12:16:46,213 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 12:16:46,214 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-10-14 12:16:46,214 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 6 [2020-10-14 12:16:46,447 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-14 12:16:46,449 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 12:16:46,455 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 12:16:46,462 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 12:16:46,462 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-14 12:16:46,462 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 12:16:46,463 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 12 [2020-10-14 12:16:46,463 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 12:16:46,463 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 12:16:46,464 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 12:16:46,464 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 12:16:46,464 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-10-14 12:16:46,465 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 12:16:46,472 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-10-14 12:16:46,476 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 12:16:46,493 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 12:16:46,513 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 12:16:46,514 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 17 [2020-10-14 12:16:46,514 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 12:16:46,515 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 36 [2020-10-14 12:16:46,515 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 12:16:46,515 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 12:16:46,516 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 12:16:46,516 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 12:16:46,516 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 14 [2020-10-14 12:16:46,517 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 12:16:46,526 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-14 12:16:46,527 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 12:16:46,533 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 12:16:46,536 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 12:16:46,537 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 12:16:46,537 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 12:16:46,537 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 8 [2020-10-14 12:16:46,538 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 12:16:46,538 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 12:16:46,538 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 12:16:46,539 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 12:16:46,539 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 12:16:46,540 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 12:16:46,569 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-14 12:16:46,570 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1238110680] [2020-10-14 12:16:46,570 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-14 12:16:46,571 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2020-10-14 12:16:46,571 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [87558206] [2020-10-14 12:16:46,573 INFO L459 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-10-14 12:16:46,573 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-14 12:16:46,574 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-10-14 12:16:46,574 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2020-10-14 12:16:46,574 INFO L87 Difference]: Start difference. First operand 2590 states and 3365 transitions. Second operand 4 states. [2020-10-14 12:16:55,975 WARN L193 SmtUtils]: Spent 6.94 s on a formula simplification that was a NOOP. DAG size: 1347 [2020-10-14 12:17:31,235 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-14 12:17:31,235 INFO L93 Difference]: Finished difference Result 2755 states and 3603 transitions. [2020-10-14 12:17:31,237 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-10-14 12:17:31,238 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 27 [2020-10-14 12:17:31,238 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-14 12:17:31,255 INFO L225 Difference]: With dead ends: 2755 [2020-10-14 12:17:31,255 INFO L226 Difference]: Without dead ends: 2740 [2020-10-14 12:17:31,257 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 12 GetRequests, 9 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 13.7s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2020-10-14 12:17:31,262 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2740 states. [2020-10-14 12:17:32,797 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2740 to 2577. [2020-10-14 12:17:32,797 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2577 states. [2020-10-14 12:17:32,810 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2577 states to 2577 states and 3345 transitions. [2020-10-14 12:17:32,811 INFO L78 Accepts]: Start accepts. Automaton has 2577 states and 3345 transitions. Word has length 27 [2020-10-14 12:17:32,812 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-14 12:17:32,812 INFO L479 AbstractCegarLoop]: Abstraction has 2577 states and 3345 transitions. [2020-10-14 12:17:32,812 INFO L480 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-10-14 12:17:32,812 INFO L276 IsEmpty]: Start isEmpty. Operand 2577 states and 3345 transitions. [2020-10-14 12:17:32,825 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 126 [2020-10-14 12:17:32,825 INFO L414 BasicCegarLoop]: Found error trace [2020-10-14 12:17:32,826 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] [2020-10-14 12:17:32,826 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-10-14 12:17:32,826 INFO L427 AbstractCegarLoop]: === Iteration 3 === [ldv_blast_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-14 12:17:32,827 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-14 12:17:32,827 INFO L82 PathProgramCache]: Analyzing trace with hash -937287226, now seen corresponding path program 1 times [2020-10-14 12:17:32,827 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-14 12:17:32,827 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [51840825] [2020-10-14 12:17:32,827 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-14 12:17:33,053 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 12:17:33,287 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 12:17:33,936 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 12:17:37,144 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 12:17:37,260 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 12:17:38,107 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 12:17:38,108 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 169 [2020-10-14 12:17:38,108 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 4 [2020-10-14 12:17:38,108 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5050 [2020-10-14 12:17:38,109 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 12:17:38,110 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 12:17:38,110 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 12:17:38,110 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 33 [2020-10-14 12:17:38,111 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 11 [2020-10-14 12:17:38,111 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 2 [2020-10-14 12:17:45,948 WARN L193 SmtUtils]: Spent 7.50 s on a formula simplification that was a NOOP. DAG size: 1345 [2020-10-14 12:17:45,951 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-14 12:17:45,980 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 12:17:46,000 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 12:17:47,719 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 12:17:47,719 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 12:17:47,720 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 12:17:47,720 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1737 [2020-10-14 12:17:47,720 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 12:17:47,720 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 12:17:47,721 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 12:17:47,721 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 12:17:47,721 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 12:17:47,721 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 12:17:47,984 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-14 12:17:47,985 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 12:17:47,991 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 12:17:47,994 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 12:17:47,995 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-14 12:17:47,995 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 12:17:47,995 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 8 [2020-10-14 12:17:47,996 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 12:17:47,996 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 12:17:47,996 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 12:17:47,997 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 12:17:47,997 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 12:17:47,997 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 12:17:48,002 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-10-14 12:17:48,003 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 12:17:48,008 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 12:17:48,016 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 12:17:48,017 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 17 [2020-10-14 12:17:48,017 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 12:17:48,017 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 12 [2020-10-14 12:17:48,018 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 12:17:48,018 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 12:17:48,018 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 12:17:48,019 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 12:17:48,019 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 12:17:48,019 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 12:17:48,029 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-14 12:17:48,030 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 12:17:48,035 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 12:17:48,038 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 12:17:48,039 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 12:17:48,039 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 12:17:48,039 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 8 [2020-10-14 12:17:48,039 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 12:17:48,039 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 12:17:48,040 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 12:17:48,040 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 12:17:48,040 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 12:17:48,040 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 12:17:48,090 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2020-10-14 12:17:48,111 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 12:17:48,124 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 12:17:48,150 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 12:17:48,150 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 39 [2020-10-14 12:17:48,151 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 12:17:48,151 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 38 [2020-10-14 12:17:48,151 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 12:17:48,151 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 12:17:48,152 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 12:17:48,152 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 36 [2020-10-14 12:17:48,152 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 12:17:48,152 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 12:17:48,164 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-14 12:17:48,165 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 12:17:48,169 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 12:17:48,173 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 12:17:48,173 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 12:17:48,173 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 12:17:48,174 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-10-14 12:17:48,174 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 12:17:48,174 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 12:17:48,174 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 12:17:48,175 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 12:17:48,175 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 12:17:48,175 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 12:17:48,208 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-14 12:17:48,209 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 12:17:48,215 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 12:17:48,221 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 12:17:48,222 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 23 [2020-10-14 12:17:48,222 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 12:17:48,222 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 11 [2020-10-14 12:17:48,222 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 12:17:48,223 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 12:17:48,223 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 12:17:48,223 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 12:17:48,223 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 12:17:48,223 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 12:17:48,231 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-14 12:17:48,232 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 12:17:48,237 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 12:17:48,242 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 12:17:48,242 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 16 [2020-10-14 12:17:48,243 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 12:17:48,243 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 9 [2020-10-14 12:17:48,243 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 12:17:48,243 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 12:17:48,244 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 12:17:48,244 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 12:17:48,244 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 12:17:48,244 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 12:17:48,250 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-14 12:17:48,251 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 12:17:48,255 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 12:17:48,258 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 12:17:48,258 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 12:17:48,259 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 12:17:48,259 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-10-14 12:17:48,259 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 12:17:48,259 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 12:17:48,259 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 12:17:48,260 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 12:17:48,260 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 12:17:48,260 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 12:17:48,267 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 67 [2020-10-14 12:17:48,271 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 12:17:48,278 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 12:17:48,285 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 12:17:48,285 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 17 [2020-10-14 12:17:48,285 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 12:17:48,285 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 12 [2020-10-14 12:17:48,286 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 12:17:48,286 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 12:17:48,286 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 12:17:48,286 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 14 [2020-10-14 12:17:48,286 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 12:17:48,287 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 12:17:48,295 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-14 12:17:48,297 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 12:17:48,301 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 12:17:48,307 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 12:17:48,307 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-14 12:17:48,308 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 12:17:48,308 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 9 [2020-10-14 12:17:48,308 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 12:17:48,308 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 12:17:48,309 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 12:17:48,309 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 12:17:48,309 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 12:17:48,309 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 12:17:48,345 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 79 [2020-10-14 12:17:48,346 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 12:17:48,349 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 12:17:48,353 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 12:17:48,353 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 12:17:48,353 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 12:17:48,354 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-10-14 12:17:48,354 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 12:17:48,354 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 12:17:48,354 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 12:17:48,354 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-14 12:17:48,355 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 12:17:48,356 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 12:17:48,361 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 88 [2020-10-14 12:17:48,364 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 12:17:48,370 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 12:17:48,379 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 12:17:48,379 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 17 [2020-10-14 12:17:48,379 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 12:17:48,379 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 14 [2020-10-14 12:17:48,380 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 12:17:48,380 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 12:17:48,380 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 12:17:48,380 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 14 [2020-10-14 12:17:48,381 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 12:17:48,381 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 12:17:48,387 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-14 12:17:48,388 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 12:17:48,391 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 12:17:48,397 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 12:17:48,397 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-14 12:17:48,397 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 12:17:48,398 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 9 [2020-10-14 12:17:48,398 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 12:17:48,398 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 12:17:48,398 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 12:17:48,399 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 12:17:48,399 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 12:17:48,399 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 12:17:48,410 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2020-10-14 12:17:48,411 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 12:17:48,414 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 12:17:48,417 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 12:17:48,417 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 12:17:48,417 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 12:17:48,418 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-14 12:17:48,418 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 12:17:48,418 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 12:17:48,418 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 12:17:48,418 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-14 12:17:48,418 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 12:17:48,419 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 12:17:48,423 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 107 [2020-10-14 12:17:48,425 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 12:17:48,428 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 12:17:48,431 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 12:17:48,431 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 12:17:48,432 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 12:17:48,432 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-14 12:17:48,432 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 12:17:48,432 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 12:17:48,432 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 12:17:48,433 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-14 12:17:48,433 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 12:17:48,433 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 12:17:48,438 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 112 [2020-10-14 12:17:48,440 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 12:17:48,446 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 12:17:48,449 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 12:17:48,450 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 12:17:48,450 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 12:17:48,450 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 8 [2020-10-14 12:17:48,450 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 12:17:48,450 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 12:17:48,451 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 12:17:48,451 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-14 12:17:48,451 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 12:17:48,451 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 12:17:48,609 INFO L134 CoverageAnalysis]: Checked inductivity of 19 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 19 trivial. 0 not checked. [2020-10-14 12:17:48,610 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [51840825] [2020-10-14 12:17:48,611 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-14 12:17:48,611 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2020-10-14 12:17:48,612 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1234193724] [2020-10-14 12:17:48,613 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-10-14 12:17:48,613 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-14 12:17:48,614 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-10-14 12:17:48,614 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=26, Unknown=0, NotChecked=0, Total=42 [2020-10-14 12:17:48,614 INFO L87 Difference]: Start difference. First operand 2577 states and 3345 transitions. Second operand 7 states. [2020-10-14 12:17:56,017 WARN L193 SmtUtils]: Spent 7.36 s on a formula simplification that was a NOOP. DAG size: 1354