/usr/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata ./data -tc ../../../trunk/examples/toolchains/AutomizerC.xml --traceabstraction.trace.refinement.strategy FIXED_PREFERENCES --traceabstraction.compute.interpolants.along.a.counterexample Craig_NestedInterpolation --traceabstraction.smt.solver Internal_SMTInterpol --traceabstraction.compute.trace.for.counterexample.result false --rcfgbuilder.size.of.a.code.block SequenceOfStatements --traceabstraction.use.minimal.unsat.core.enumeration true --traceabstraction.additional.smt.options produce-proofs=true --traceabstraction.additional.smt.options produce-unsat-cores=true --traceabstraction.additional.smt.options enumeration-timeout=5000 --traceabstraction.additional.smt.options interpolation-heuristic=SHALLOWEST --traceabstraction.additional.smt.options log-additional-information=true --traceabstraction.additional.smt.options unknown-allowed=true -s ../../../trunk/examples/settings/default/automizer/svcomp-Reach-64bit-Automizer_Default.epf language data_model -i ../../../trunk/examples/svcomp/ldv-linux-3.12-rc1/linux-3.12-rc1.tar.xz-144_2a-drivers--input--tablet--gtco.ko-entry_point.cil.out.i -------------------------------------------------------------------------------- This is Ultimate 0.2.0-0f64333 [2020-10-27 08:38:06,735 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-10-27 08:38:06,738 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-10-27 08:38:06,793 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-10-27 08:38:06,794 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-10-27 08:38:06,800 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-10-27 08:38:06,803 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-10-27 08:38:06,807 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-10-27 08:38:06,810 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-10-27 08:38:06,816 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-10-27 08:38:06,817 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-10-27 08:38:06,818 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-10-27 08:38:06,819 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-10-27 08:38:06,822 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-10-27 08:38:06,825 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-10-27 08:38:06,827 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-10-27 08:38:06,828 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-10-27 08:38:06,840 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-10-27 08:38:06,842 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-10-27 08:38:06,844 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-10-27 08:38:06,846 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-10-27 08:38:06,847 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-10-27 08:38:06,849 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-10-27 08:38:06,851 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-10-27 08:38:06,861 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-10-27 08:38:06,865 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-10-27 08:38:06,866 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-10-27 08:38:06,868 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-10-27 08:38:06,869 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-10-27 08:38:06,870 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-10-27 08:38:06,870 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-10-27 08:38:06,871 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-10-27 08:38:06,872 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-10-27 08:38:06,874 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-10-27 08:38:06,875 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-10-27 08:38:06,875 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-10-27 08:38:06,876 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-10-27 08:38:06,876 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-10-27 08:38:06,876 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-10-27 08:38:06,877 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-10-27 08:38:06,878 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-10-27 08:38:06,885 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 [2020-10-27 08:38:06,932 INFO L113 SettingsManager]: Loading preferences was successful [2020-10-27 08:38:06,933 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-10-27 08:38:06,936 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-10-27 08:38:06,937 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-10-27 08:38:06,937 INFO L138 SettingsManager]: * Use SBE=true [2020-10-27 08:38:06,937 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-10-27 08:38:06,937 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-10-27 08:38:06,937 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-10-27 08:38:06,938 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-10-27 08:38:06,938 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-10-27 08:38:06,939 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-10-27 08:38:06,939 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-10-27 08:38:06,939 INFO L138 SettingsManager]: * Use constant arrays=true [2020-10-27 08:38:06,940 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-10-27 08:38:06,940 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-10-27 08:38:06,940 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-10-27 08:38:06,940 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-10-27 08:38:06,940 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-10-27 08:38:06,941 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-10-27 08:38:06,941 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-10-27 08:38:06,941 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-10-27 08:38:06,941 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-10-27 08:38:06,941 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-10-27 08:38:06,942 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-10-27 08:38:06,942 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-10-27 08:38:06,942 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-10-27 08:38:06,942 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2020-10-27 08:38:06,942 INFO L138 SettingsManager]: * To the following directory=dump/ WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Trace refinement strategy -> FIXED_PREFERENCES Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute Interpolants along a Counterexample -> Craig_NestedInterpolation Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: SMT solver -> Internal_SMTInterpol Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute trace for counterexample result -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder: Size of a code block -> SequenceOfStatements Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Use minimal unsat core enumeration -> true Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=5000;interpolation-heuristic=SHALLOWEST;log-additional-information=true;unknown-allowed=true; [2020-10-27 08:38:07,390 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-10-27 08:38:07,423 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-10-27 08:38:07,426 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-10-27 08:38:07,428 INFO L271 PluginConnector]: Initializing CDTParser... [2020-10-27 08:38:07,429 INFO L275 PluginConnector]: CDTParser initialized [2020-10-27 08:38:07,430 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/ldv-linux-3.12-rc1/linux-3.12-rc1.tar.xz-144_2a-drivers--input--tablet--gtco.ko-entry_point.cil.out.i [2020-10-27 08:38:07,504 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/41f64d0ff/36443bd164a04152aa236d676254c782/FLAGbae0ad614 [2020-10-27 08:38:08,438 INFO L306 CDTParser]: Found 1 translation units. [2020-10-27 08:38:08,439 INFO L160 CDTParser]: Scanning /storage/repos/ultimate-2/trunk/examples/svcomp/ldv-linux-3.12-rc1/linux-3.12-rc1.tar.xz-144_2a-drivers--input--tablet--gtco.ko-entry_point.cil.out.i [2020-10-27 08:38:08,503 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/41f64d0ff/36443bd164a04152aa236d676254c782/FLAGbae0ad614 [2020-10-27 08:38:08,944 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/41f64d0ff/36443bd164a04152aa236d676254c782 [2020-10-27 08:38:08,947 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-10-27 08:38:08,953 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-10-27 08:38:08,955 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-10-27 08:38:08,955 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-10-27 08:38:08,959 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-10-27 08:38:08,960 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.10 08:38:08" (1/1) ... [2020-10-27 08:38:08,963 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5875b04d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 08:38:08, skipping insertion in model container [2020-10-27 08:38:08,963 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.10 08:38:08" (1/1) ... [2020-10-27 08:38:08,972 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-10-27 08:38:09,062 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-10-27 08:38:10,346 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-27 08:38:10,383 INFO L203 MainTranslator]: Completed pre-run [2020-10-27 08:38:10,737 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-27 08:38:10,853 INFO L208 MainTranslator]: Completed translation [2020-10-27 08:38:10,854 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 08:38:10 WrapperNode [2020-10-27 08:38:10,854 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-10-27 08:38:10,856 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-10-27 08:38:10,919 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-10-27 08:38:10,920 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-10-27 08:38:10,947 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 08:38:10" (1/1) ... [2020-10-27 08:38:10,948 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 08:38:10" (1/1) ... [2020-10-27 08:38:11,100 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 08:38:10" (1/1) ... [2020-10-27 08:38:11,100 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 08:38:10" (1/1) ... [2020-10-27 08:38:11,333 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 08:38:10" (1/1) ... [2020-10-27 08:38:11,362 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 08:38:10" (1/1) ... [2020-10-27 08:38:11,401 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 08:38:10" (1/1) ... [2020-10-27 08:38:11,420 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-10-27 08:38:11,421 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-10-27 08:38:11,422 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-10-27 08:38:11,422 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-10-27 08:38:11,423 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 08:38:10" (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 [2020-10-27 08:38:11,500 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-10-27 08:38:11,500 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-10-27 08:38:11,501 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~VOID [2020-10-27 08:38:11,501 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error [2020-10-27 08:38:11,501 INFO L138 BoogieDeclarations]: Found implementation of procedure __le32_to_cpup [2020-10-27 08:38:11,501 INFO L138 BoogieDeclarations]: Found implementation of procedure __le16_to_cpup [2020-10-27 08:38:11,501 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_endpoint_xfer_int [2020-10-27 08:38:11,502 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_make_path [2020-10-27 08:38:11,502 INFO L138 BoogieDeclarations]: Found implementation of procedure __create_pipe [2020-10-27 08:38:11,502 INFO L138 BoogieDeclarations]: Found implementation of procedure __kmalloc [2020-10-27 08:38:11,502 INFO L138 BoogieDeclarations]: Found implementation of procedure kmalloc [2020-10-27 08:38:11,502 INFO L138 BoogieDeclarations]: Found implementation of procedure kzalloc [2020-10-27 08:38:11,502 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2020-10-27 08:38:11,503 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2020-10-27 08:38:11,503 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_zalloc [2020-10-27 08:38:11,503 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undef_int [2020-10-27 08:38:11,503 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undef_ulong [2020-10-27 08:38:11,503 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_error [2020-10-27 08:38:11,504 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2020-10-27 08:38:11,504 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2020-10-27 08:38:11,504 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_trap [2020-10-27 08:38:11,504 INFO L138 BoogieDeclarations]: Found implementation of procedure input_allocate_device [2020-10-27 08:38:11,504 INFO L138 BoogieDeclarations]: Found implementation of procedure input_get_drvdata [2020-10-27 08:38:11,504 INFO L138 BoogieDeclarations]: Found implementation of procedure input_set_drvdata [2020-10-27 08:38:11,505 INFO L138 BoogieDeclarations]: Found implementation of procedure input_report_abs [2020-10-27 08:38:11,505 INFO L138 BoogieDeclarations]: Found implementation of procedure input_sync [2020-10-27 08:38:11,505 INFO L138 BoogieDeclarations]: Found implementation of procedure get_unaligned_le16 [2020-10-27 08:38:11,505 INFO L138 BoogieDeclarations]: Found implementation of procedure get_unaligned_le32 [2020-10-27 08:38:11,505 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_to_input_id [2020-10-27 08:38:11,505 INFO L138 BoogieDeclarations]: Found implementation of procedure parse_hid_report_descriptor [2020-10-27 08:38:11,506 INFO L138 BoogieDeclarations]: Found implementation of procedure gtco_input_open [2020-10-27 08:38:11,506 INFO L138 BoogieDeclarations]: Found implementation of procedure gtco_input_close [2020-10-27 08:38:11,506 INFO L138 BoogieDeclarations]: Found implementation of procedure gtco_setup_caps [2020-10-27 08:38:11,506 INFO L138 BoogieDeclarations]: Found implementation of procedure gtco_urb_callback [2020-10-27 08:38:11,506 INFO L138 BoogieDeclarations]: Found implementation of procedure gtco_probe [2020-10-27 08:38:11,506 INFO L138 BoogieDeclarations]: Found implementation of procedure gtco_disconnect [2020-10-27 08:38:11,507 INFO L138 BoogieDeclarations]: Found implementation of procedure gtco_driverinfo_table_init [2020-10-27 08:38:11,507 INFO L138 BoogieDeclarations]: Found implementation of procedure gtco_driverinfo_table_exit [2020-10-27 08:38:11,507 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_driver_1 [2020-10-27 08:38:11,507 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-10-27 08:38:11,507 INFO L138 BoogieDeclarations]: Found implementation of procedure interface_to_usbdev [2020-10-27 08:38:11,507 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_submit_urb_2 [2020-10-27 08:38:11,507 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_submit_urb_3 [2020-10-27 08:38:11,508 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_get_dev_4 [2020-10-27 08:38:11,508 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_alloc_urb_5 [2020-10-27 08:38:11,508 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_fill_int_urb_6 [2020-10-27 08:38:11,508 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_set_intfdata_7 [2020-10-27 08:38:11,508 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_free_urb_8 [2020-10-27 08:38:11,508 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_get_intfdata_9 [2020-10-27 08:38:11,509 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_free_urb_10 [2020-10-27 08:38:11,509 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_register_driver_11 [2020-10-27 08:38:11,509 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_deregister_12 [2020-10-27 08:38:11,509 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop___0 [2020-10-27 08:38:11,509 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_get_intfdata [2020-10-27 08:38:11,509 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_set_intfdata [2020-10-27 08:38:11,509 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_put_intf [2020-10-27 08:38:11,510 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_alloc_urb [2020-10-27 08:38:11,510 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_free_urb [2020-10-27 08:38:11,510 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_fill_int_urb [2020-10-27 08:38:11,510 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_fill_bulk_urb [2020-10-27 08:38:11,510 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_submit_urb [2020-10-27 08:38:11,510 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_interface_to_usbdev [2020-10-27 08:38:11,511 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_get_dev [2020-10-27 08:38:11,511 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_put_dev [2020-10-27 08:38:11,511 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_get_interface [2020-10-27 08:38:11,511 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_put_interface [2020-10-27 08:38:11,511 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_serial_register [2020-10-27 08:38:11,511 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_serial_deregister [2020-10-27 08:38:11,512 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_final_state [2020-10-27 08:38:11,512 INFO L138 BoogieDeclarations]: Found implementation of procedure __dynamic_dev_dbg [2020-10-27 08:38:11,512 INFO L138 BoogieDeclarations]: Found implementation of procedure __usb_get_extra_descriptor [2020-10-27 08:38:11,512 INFO L138 BoogieDeclarations]: Found implementation of procedure _dev_info [2020-10-27 08:38:11,512 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_err [2020-10-27 08:38:11,512 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_get_drvdata [2020-10-27 08:38:11,513 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_set_drvdata [2020-10-27 08:38:11,513 INFO L138 BoogieDeclarations]: Found implementation of procedure input_event [2020-10-27 08:38:11,513 INFO L138 BoogieDeclarations]: Found implementation of procedure input_free_device [2020-10-27 08:38:11,513 INFO L138 BoogieDeclarations]: Found implementation of procedure input_register_device [2020-10-27 08:38:11,513 INFO L138 BoogieDeclarations]: Found implementation of procedure input_set_abs_params [2020-10-27 08:38:11,513 INFO L138 BoogieDeclarations]: Found implementation of procedure input_unregister_device [2020-10-27 08:38:11,514 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_initialize [2020-10-27 08:38:11,514 INFO L138 BoogieDeclarations]: Found implementation of procedure strlcat [2020-10-27 08:38:11,514 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_alloc_coherent [2020-10-27 08:38:11,514 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_control_msg [2020-10-27 08:38:11,514 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_deregister [2020-10-27 08:38:11,514 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_free_coherent [2020-10-27 08:38:11,515 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_kill_urb [2020-10-27 08:38:11,515 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_register_driver [2020-10-27 08:38:11,515 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree [2020-10-27 08:38:11,515 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.meminit [2020-10-27 08:38:11,515 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_strcpy [2020-10-27 08:38:11,516 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2020-10-27 08:38:11,516 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2020-10-27 08:38:11,516 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_perror_fail [2020-10-27 08:38:11,516 INFO L130 BoogieDeclarations]: Found specification of procedure __assert [2020-10-27 08:38:11,516 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error [2020-10-27 08:38:11,516 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-10-27 08:38:11,516 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2020-10-27 08:38:11,517 INFO L130 BoogieDeclarations]: Found specification of procedure strcpy [2020-10-27 08:38:11,517 INFO L130 BoogieDeclarations]: Found specification of procedure strlcat [2020-10-27 08:38:11,517 INFO L130 BoogieDeclarations]: Found specification of procedure __le32_to_cpup [2020-10-27 08:38:11,517 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2020-10-27 08:38:11,517 INFO L130 BoogieDeclarations]: Found specification of procedure __le16_to_cpup [2020-10-27 08:38:11,517 INFO L130 BoogieDeclarations]: Found specification of procedure usb_endpoint_xfer_int [2020-10-27 08:38:11,518 INFO L130 BoogieDeclarations]: Found specification of procedure __dynamic_dev_dbg [2020-10-27 08:38:11,518 INFO L130 BoogieDeclarations]: Found specification of procedure snprintf [2020-10-27 08:38:11,518 INFO L130 BoogieDeclarations]: Found specification of procedure dev_get_drvdata [2020-10-27 08:38:11,518 INFO L130 BoogieDeclarations]: Found specification of procedure dev_set_drvdata [2020-10-27 08:38:11,518 INFO L130 BoogieDeclarations]: Found specification of procedure dev_err [2020-10-27 08:38:11,518 INFO L130 BoogieDeclarations]: Found specification of procedure _dev_info [2020-10-27 08:38:11,518 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_get_intfdata_9 [2020-10-27 08:38:11,519 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_set_intfdata_7 [2020-10-27 08:38:11,519 INFO L130 BoogieDeclarations]: Found specification of procedure __usb_get_extra_descriptor [2020-10-27 08:38:11,519 INFO L130 BoogieDeclarations]: Found specification of procedure interface_to_usbdev [2020-10-27 08:38:11,519 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_get_dev_4 [2020-10-27 08:38:11,519 INFO L130 BoogieDeclarations]: Found specification of procedure usb_make_path [2020-10-27 08:38:11,519 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2020-10-27 08:38:11,520 INFO L130 BoogieDeclarations]: Found specification of procedure usb_register_driver [2020-10-27 08:38:11,520 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_register_driver_11 [2020-10-27 08:38:11,520 INFO L130 BoogieDeclarations]: Found specification of procedure usb_deregister [2020-10-27 08:38:11,520 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_deregister_12 [2020-10-27 08:38:11,520 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_fill_int_urb_6 [2020-10-27 08:38:11,520 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_alloc_urb_5 [2020-10-27 08:38:11,521 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_free_urb_8 [2020-10-27 08:38:11,521 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_free_urb_10 [2020-10-27 08:38:11,521 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_submit_urb_2 [2020-10-27 08:38:11,521 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_submit_urb_3 [2020-10-27 08:38:11,521 INFO L130 BoogieDeclarations]: Found specification of procedure usb_kill_urb [2020-10-27 08:38:11,521 INFO L130 BoogieDeclarations]: Found specification of procedure usb_alloc_coherent [2020-10-27 08:38:11,522 INFO L130 BoogieDeclarations]: Found specification of procedure usb_free_coherent [2020-10-27 08:38:11,522 INFO L130 BoogieDeclarations]: Found specification of procedure usb_control_msg [2020-10-27 08:38:11,522 INFO L130 BoogieDeclarations]: Found specification of procedure __create_pipe [2020-10-27 08:38:11,522 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_alloc_urb [2020-10-27 08:38:11,522 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_free_urb [2020-10-27 08:38:11,522 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_fill_int_urb [2020-10-27 08:38:11,523 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_submit_urb [2020-10-27 08:38:11,523 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_interface_to_usbdev [2020-10-27 08:38:11,523 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_get_dev [2020-10-27 08:38:11,523 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_get_intfdata [2020-10-27 08:38:11,523 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_set_intfdata [2020-10-27 08:38:11,523 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2020-10-27 08:38:11,524 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2020-10-27 08:38:11,524 INFO L130 BoogieDeclarations]: Found specification of procedure __kmalloc [2020-10-27 08:38:11,524 INFO L130 BoogieDeclarations]: Found specification of procedure kmalloc [2020-10-27 08:38:11,524 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_zalloc [2020-10-27 08:38:11,524 INFO L130 BoogieDeclarations]: Found specification of procedure kzalloc [2020-10-27 08:38:11,524 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2020-10-27 08:38:11,524 INFO L130 BoogieDeclarations]: Found specification of procedure calloc [2020-10-27 08:38:11,525 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2020-10-27 08:38:11,525 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_ulong [2020-10-27 08:38:11,525 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2020-10-27 08:38:11,525 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2020-10-27 08:38:11,525 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.meminit [2020-10-27 08:38:11,525 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undef_int [2020-10-27 08:38:11,526 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undef_ulong [2020-10-27 08:38:11,526 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_error [2020-10-27 08:38:11,526 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2020-10-27 08:38:11,526 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_trap [2020-10-27 08:38:11,526 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_driver_1 [2020-10-27 08:38:11,526 INFO L130 BoogieDeclarations]: Found specification of procedure input_allocate_device [2020-10-27 08:38:11,527 INFO L130 BoogieDeclarations]: Found specification of procedure input_free_device [2020-10-27 08:38:11,527 INFO L130 BoogieDeclarations]: Found specification of procedure input_get_drvdata [2020-10-27 08:38:11,527 INFO L130 BoogieDeclarations]: Found specification of procedure input_set_drvdata [2020-10-27 08:38:11,527 INFO L130 BoogieDeclarations]: Found specification of procedure input_register_device [2020-10-27 08:38:11,527 INFO L130 BoogieDeclarations]: Found specification of procedure input_unregister_device [2020-10-27 08:38:11,527 INFO L130 BoogieDeclarations]: Found specification of procedure input_event [2020-10-27 08:38:11,528 INFO L130 BoogieDeclarations]: Found specification of procedure input_report_abs [2020-10-27 08:38:11,528 INFO L130 BoogieDeclarations]: Found specification of procedure input_sync [2020-10-27 08:38:11,528 INFO L130 BoogieDeclarations]: Found specification of procedure input_set_abs_params [2020-10-27 08:38:11,528 INFO L130 BoogieDeclarations]: Found specification of procedure get_unaligned_le16 [2020-10-27 08:38:11,528 INFO L130 BoogieDeclarations]: Found specification of procedure get_unaligned_le32 [2020-10-27 08:38:11,528 INFO L130 BoogieDeclarations]: Found specification of procedure usb_to_input_id [2020-10-27 08:38:11,528 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-10-27 08:38:11,529 INFO L130 BoogieDeclarations]: Found specification of procedure parse_hid_report_descriptor [2020-10-27 08:38:11,529 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_strcpy [2020-10-27 08:38:11,529 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2020-10-27 08:38:11,529 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-10-27 08:38:11,529 INFO L130 BoogieDeclarations]: Found specification of procedure gtco_input_open [2020-10-27 08:38:11,529 INFO L130 BoogieDeclarations]: Found specification of procedure gtco_input_close [2020-10-27 08:38:11,530 INFO L130 BoogieDeclarations]: Found specification of procedure gtco_setup_caps [2020-10-27 08:38:11,530 INFO L130 BoogieDeclarations]: Found specification of procedure gtco_urb_callback [2020-10-27 08:38:11,530 INFO L130 BoogieDeclarations]: Found specification of procedure gtco_probe [2020-10-27 08:38:11,530 INFO L130 BoogieDeclarations]: Found specification of procedure gtco_disconnect [2020-10-27 08:38:11,530 INFO L130 BoogieDeclarations]: Found specification of procedure gtco_driverinfo_table_init [2020-10-27 08:38:11,530 INFO L130 BoogieDeclarations]: Found specification of procedure gtco_driverinfo_table_exit [2020-10-27 08:38:11,530 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_initialize [2020-10-27 08:38:11,531 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_final_state [2020-10-27 08:38:11,531 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-10-27 08:38:11,531 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop___0 [2020-10-27 08:38:11,531 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_put_intf [2020-10-27 08:38:11,531 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_fill_bulk_urb [2020-10-27 08:38:11,531 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~VOID [2020-10-27 08:38:11,531 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_put_dev [2020-10-27 08:38:11,532 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_get_interface [2020-10-27 08:38:11,532 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_put_interface [2020-10-27 08:38:11,532 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_serial_register [2020-10-27 08:38:11,532 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_serial_deregister [2020-10-27 08:38:11,532 INFO L130 BoogieDeclarations]: Found specification of procedure free [2020-10-27 08:38:11,532 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-10-27 08:38:11,532 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-10-27 08:38:11,532 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2020-10-27 08:38:11,533 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-10-27 08:38:11,533 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2020-10-27 08:38:11,533 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2020-10-27 08:38:12,862 INFO L751 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stopFINAL: assume true; [2020-10-27 08:38:19,905 INFO L751 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stop___0FINAL: assume true; [2020-10-27 08:38:21,588 INFO L293 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-10-27 08:38:21,588 INFO L298 CfgBuilder]: Removed 2 assume(true) statements. [2020-10-27 08:38:21,592 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 27.10 08:38:21 BoogieIcfgContainer [2020-10-27 08:38:21,592 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-10-27 08:38:21,594 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-10-27 08:38:21,594 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-10-27 08:38:21,598 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-10-27 08:38:21,598 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 27.10 08:38:08" (1/3) ... [2020-10-27 08:38:21,599 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7aba0c97 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 27.10 08:38:21, skipping insertion in model container [2020-10-27 08:38:21,599 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 08:38:10" (2/3) ... [2020-10-27 08:38:21,599 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7aba0c97 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 27.10 08:38:21, skipping insertion in model container [2020-10-27 08:38:21,600 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 27.10 08:38:21" (3/3) ... [2020-10-27 08:38:21,601 INFO L111 eAbstractionObserver]: Analyzing ICFG linux-3.12-rc1.tar.xz-144_2a-drivers--input--tablet--gtco.ko-entry_point.cil.out.i [2020-10-27 08:38:21,613 INFO L164 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:Craig_NestedInterpolation Determinization: PREDICATE_ABSTRACTION [2020-10-27 08:38:21,619 INFO L176 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-10-27 08:38:21,636 INFO L253 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-10-27 08:38:21,667 INFO L377 AbstractCegarLoop]: Interprodecural is true [2020-10-27 08:38:21,668 INFO L378 AbstractCegarLoop]: Hoare is true [2020-10-27 08:38:21,668 INFO L379 AbstractCegarLoop]: Compute interpolants for Craig_NestedInterpolation [2020-10-27 08:38:21,668 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-10-27 08:38:21,668 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-10-27 08:38:21,668 INFO L382 AbstractCegarLoop]: Difference is false [2020-10-27 08:38:21,668 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-10-27 08:38:21,668 INFO L387 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-10-27 08:38:21,704 INFO L276 IsEmpty]: Start isEmpty. Operand 797 states. [2020-10-27 08:38:21,714 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 42 [2020-10-27 08:38:21,714 INFO L414 BasicCegarLoop]: Found error trace [2020-10-27 08:38:21,715 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-27 08:38:21,715 INFO L429 AbstractCegarLoop]: === Iteration 1 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-27 08:38:21,721 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-27 08:38:21,722 INFO L82 PathProgramCache]: Analyzing trace with hash 1681078574, now seen corresponding path program 1 times [2020-10-27 08:38:21,731 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-27 08:38:21,731 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [5134168] [2020-10-27 08:38:21,732 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-27 08:38:22,394 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 08:38:22,644 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 08:38:23,274 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 08:38:28,107 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 08:38:28,108 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 63 [2020-10-27 08:38:28,108 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-27 08:38:28,108 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5706 [2020-10-27 08:38:28,111 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 08:38:28,111 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-27 08:38:28,111 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-27 08:38:28,111 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 50 [2020-10-27 08:38:28,112 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 3 [2020-10-27 08:38:36,120 WARN L193 SmtUtils]: Spent 7.65 s on a formula simplification that was a NOOP. DAG size: 1126 [2020-10-27 08:38:36,129 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-27 08:38:36,252 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 08:38:36,348 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 08:38:39,055 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 08:38:39,055 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 08:38:39,055 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 08:38:39,055 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2800 [2020-10-27 08:38:39,056 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 08:38:39,056 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 08:38:39,059 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 08:38:39,060 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-10-27 08:38:39,060 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 4 [2020-10-27 08:38:39,214 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-27 08:38:39,220 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 08:38:39,226 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 08:38:39,247 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 08:38:39,247 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 08:38:39,247 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 08:38:39,247 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 26 [2020-10-27 08:38:39,248 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 08:38:39,254 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 08:38:39,254 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 08:38:39,255 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-27 08:38:39,255 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 7 [2020-10-27 08:38:39,263 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-27 08:38:39,267 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 08:38:39,271 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 08:38:39,276 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 08:38:39,277 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-27 08:38:39,277 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 08:38:39,277 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 8 [2020-10-27 08:38:39,277 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 08:38:39,277 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 08:38:39,278 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 08:38:39,278 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-10-27 08:38:39,278 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 08:38:39,313 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2020-10-27 08:38:39,318 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 08:38:39,328 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 08:38:39,347 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 08:38:39,348 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 20 [2020-10-27 08:38:39,349 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 08:38:39,349 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 26 [2020-10-27 08:38:39,349 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 08:38:39,350 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 08:38:39,350 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 08:38:39,350 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 17 [2020-10-27 08:38:39,350 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 08:38:39,356 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-27 08:38:39,368 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 08:38:39,373 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 08:38:39,378 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 08:38:39,379 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 15 [2020-10-27 08:38:39,379 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 08:38:39,379 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 9 [2020-10-27 08:38:39,379 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 08:38:39,380 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 08:38:39,380 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 08:38:39,380 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 08:38:39,380 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 08:38:39,385 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 08:38:39,390 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 08:38:39,394 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 08:38:39,397 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 08:38:39,397 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 08:38:39,397 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 08:38:39,397 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-27 08:38:39,398 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 08:38:39,398 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 08:38:39,398 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 08:38:39,398 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 08:38:39,399 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 08:38:39,449 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-27 08:38:39,450 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [5134168] [2020-10-27 08:38:39,452 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-27 08:38:39,452 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2020-10-27 08:38:39,453 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [336075150] [2020-10-27 08:38:39,458 INFO L461 AbstractCegarLoop]: Interpolant automaton has 6 states [2020-10-27 08:38:39,459 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-27 08:38:39,473 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2020-10-27 08:38:39,475 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2020-10-27 08:38:39,477 INFO L87 Difference]: Start difference. First operand 797 states. Second operand 6 states. [2020-10-27 08:38:47,115 WARN L193 SmtUtils]: Spent 7.56 s on a formula simplification that was a NOOP. DAG size: 1129 [2020-10-27 08:39:01,405 WARN L193 SmtUtils]: Spent 7.83 s on a formula simplification that was a NOOP. DAG size: 1132 [2020-10-27 08:39:09,158 WARN L193 SmtUtils]: Spent 7.46 s on a formula simplification that was a NOOP. DAG size: 1129 [2020-10-27 08:39:48,966 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-27 08:39:48,967 INFO L93 Difference]: Finished difference Result 2081 states and 2861 transitions. [2020-10-27 08:39:48,974 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2020-10-27 08:39:48,976 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 41 [2020-10-27 08:39:48,976 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-27 08:39:49,004 INFO L225 Difference]: With dead ends: 2081 [2020-10-27 08:39:49,004 INFO L226 Difference]: Without dead ends: 1425 [2020-10-27 08:39:49,014 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 26 GetRequests, 15 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 18 ImplicationChecksByTransitivity, 30.9s TimeCoverageRelationStatistics Valid=54, Invalid=102, Unknown=0, NotChecked=0, Total=156 [2020-10-27 08:39:49,039 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1425 states. [2020-10-27 08:39:49,766 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1425 to 1221. [2020-10-27 08:39:49,768 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1221 states. [2020-10-27 08:39:49,777 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1221 states to 1221 states and 1601 transitions. [2020-10-27 08:39:49,779 INFO L78 Accepts]: Start accepts. Automaton has 1221 states and 1601 transitions. Word has length 41 [2020-10-27 08:39:49,780 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-27 08:39:49,780 INFO L481 AbstractCegarLoop]: Abstraction has 1221 states and 1601 transitions. [2020-10-27 08:39:49,780 INFO L482 AbstractCegarLoop]: Interpolant automaton has 6 states. [2020-10-27 08:39:49,780 INFO L276 IsEmpty]: Start isEmpty. Operand 1221 states and 1601 transitions. [2020-10-27 08:39:49,784 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 43 [2020-10-27 08:39:49,784 INFO L414 BasicCegarLoop]: Found error trace [2020-10-27 08:39:49,784 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-27 08:39:49,785 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-10-27 08:39:49,785 INFO L429 AbstractCegarLoop]: === Iteration 2 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-27 08:39:49,786 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-27 08:39:49,786 INFO L82 PathProgramCache]: Analyzing trace with hash 50174511, now seen corresponding path program 1 times [2020-10-27 08:39:49,786 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-27 08:39:49,786 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1208792152] [2020-10-27 08:39:49,787 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-27 08:39:49,920 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 08:39:50,066 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 08:39:50,333 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 08:39:55,463 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 08:39:55,464 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 64 [2020-10-27 08:39:55,464 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-27 08:39:55,464 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5540 [2020-10-27 08:39:55,464 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 08:39:55,465 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-27 08:39:55,465 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-27 08:39:55,465 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 51 [2020-10-27 08:39:55,465 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 08:40:03,726 WARN L193 SmtUtils]: Spent 8.00 s on a formula simplification that was a NOOP. DAG size: 1126 [2020-10-27 08:40:03,729 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-27 08:40:03,837 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 08:40:03,925 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 08:40:06,053 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 08:40:06,053 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 08:40:06,054 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 08:40:06,054 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2214 [2020-10-27 08:40:06,054 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 08:40:06,054 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 08:40:06,054 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 08:40:06,055 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-10-27 08:40:06,055 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 08:40:06,206 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-27 08:40:06,210 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 08:40:06,215 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 08:40:06,268 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 08:40:06,269 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 08:40:06,272 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 08:40:06,272 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 57 [2020-10-27 08:40:06,272 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 08:40:06,273 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 08:40:06,273 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 08:40:06,273 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-27 08:40:06,273 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 08:40:06,279 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-27 08:40:06,281 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 08:40:06,285 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 08:40:06,289 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 08:40:06,289 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-27 08:40:06,290 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 08:40:06,290 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-10-27 08:40:06,290 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 08:40:06,290 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 08:40:06,290 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 08:40:06,291 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-10-27 08:40:06,291 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 08:40:06,323 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2020-10-27 08:40:06,326 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 08:40:06,331 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 08:40:06,340 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 08:40:06,340 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 20 [2020-10-27 08:40:06,340 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 08:40:06,341 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 12 [2020-10-27 08:40:06,341 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 08:40:06,341 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 08:40:06,341 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 08:40:06,341 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 17 [2020-10-27 08:40:06,341 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 08:40:06,347 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-27 08:40:06,348 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 08:40:06,351 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 08:40:06,355 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 08:40:06,355 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 15 [2020-10-27 08:40:06,355 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 08:40:06,360 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-27 08:40:06,361 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 08:40:06,361 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 08:40:06,361 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 08:40:06,361 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 08:40:06,361 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 08:40:06,367 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 08:40:06,372 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 08:40:06,377 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 08:40:06,379 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 08:40:06,380 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 08:40:06,380 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 08:40:06,380 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-27 08:40:06,381 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 08:40:06,381 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 08:40:06,381 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 08:40:06,381 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 08:40:06,382 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-27 08:40:06,415 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-27 08:40:06,415 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1208792152] [2020-10-27 08:40:06,416 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-27 08:40:06,416 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2020-10-27 08:40:06,417 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [183385584] [2020-10-27 08:40:06,419 INFO L461 AbstractCegarLoop]: Interpolant automaton has 6 states [2020-10-27 08:40:06,419 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-27 08:40:06,420 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2020-10-27 08:40:06,420 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2020-10-27 08:40:06,420 INFO L87 Difference]: Start difference. First operand 1221 states and 1601 transitions. Second operand 6 states. [2020-10-27 08:40:14,388 WARN L193 SmtUtils]: Spent 7.93 s on a formula simplification that was a NOOP. DAG size: 1129 [2020-10-27 08:40:24,523 WARN L193 SmtUtils]: Spent 7.95 s on a formula simplification that was a NOOP. DAG size: 1132 [2020-10-27 08:40:32,658 WARN L193 SmtUtils]: Spent 7.90 s on a formula simplification that was a NOOP. DAG size: 1129 [2020-10-27 08:41:14,049 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-27 08:41:14,049 INFO L93 Difference]: Finished difference Result 3976 states and 5213 transitions. [2020-10-27 08:41:14,050 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2020-10-27 08:41:14,050 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 42 [2020-10-27 08:41:14,051 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-27 08:41:14,073 INFO L225 Difference]: With dead ends: 3976 [2020-10-27 08:41:14,073 INFO L226 Difference]: Without dead ends: 2767 [2020-10-27 08:41:14,079 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 26 GetRequests, 15 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 18 ImplicationChecksByTransitivity, 32.1s TimeCoverageRelationStatistics Valid=54, Invalid=102, Unknown=0, NotChecked=0, Total=156 [2020-10-27 08:41:14,083 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2767 states. [2020-10-27 08:41:15,027 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2767 to 2428. [2020-10-27 08:41:15,027 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2428 states. [2020-10-27 08:41:15,041 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2428 states to 2428 states and 3189 transitions. [2020-10-27 08:41:15,042 INFO L78 Accepts]: Start accepts. Automaton has 2428 states and 3189 transitions. Word has length 42 [2020-10-27 08:41:15,043 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-27 08:41:15,043 INFO L481 AbstractCegarLoop]: Abstraction has 2428 states and 3189 transitions. [2020-10-27 08:41:15,043 INFO L482 AbstractCegarLoop]: Interpolant automaton has 6 states. [2020-10-27 08:41:15,043 INFO L276 IsEmpty]: Start isEmpty. Operand 2428 states and 3189 transitions. [2020-10-27 08:41:15,045 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2020-10-27 08:41:15,045 INFO L414 BasicCegarLoop]: Found error trace [2020-10-27 08:41:15,046 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-27 08:41:15,046 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-10-27 08:41:15,046 INFO L429 AbstractCegarLoop]: === Iteration 3 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-27 08:41:15,046 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-27 08:41:15,047 INFO L82 PathProgramCache]: Analyzing trace with hash 1036433297, now seen corresponding path program 1 times [2020-10-27 08:41:15,047 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-27 08:41:15,047 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [371155775] [2020-10-27 08:41:15,047 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-27 08:41:15,168 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 08:41:15,366 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 08:41:15,537 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 08:41:20,442 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 08:41:20,443 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 65 [2020-10-27 08:41:20,443 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-27 08:41:20,443 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5272 [2020-10-27 08:41:20,443 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 08:41:20,443 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-27 08:41:20,444 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-27 08:41:20,444 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 52 [2020-10-27 08:41:20,444 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 08:41:28,674 WARN L193 SmtUtils]: Spent 8.00 s on a formula simplification that was a NOOP. DAG size: 1126 [2020-10-27 08:41:28,678 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-27 08:41:28,768 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 08:41:28,835 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 08:41:30,872 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 08:41:30,873 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 08:41:30,873 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 08:41:30,873 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2101 [2020-10-27 08:41:30,873 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 08:41:30,873 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 08:41:30,874 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 08:41:30,874 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-10-27 08:41:30,874 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 08:41:31,049 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-27 08:41:31,051 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 08:41:31,055 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 08:41:31,060 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 08:41:31,061 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 08:41:31,061 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 08:41:31,061 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 8 [2020-10-27 08:41:31,061 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 08:41:31,061 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 08:41:31,062 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 08:41:31,062 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-27 08:41:31,062 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 08:41:31,067 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-27 08:41:31,068 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 08:41:31,071 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 08:41:31,073 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 08:41:31,074 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-27 08:41:31,074 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 08:41:31,074 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-27 08:41:31,074 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 08:41:31,074 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 08:41:31,074 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 08:41:31,075 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-10-27 08:41:31,075 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 08:41:31,106 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2020-10-27 08:41:31,108 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 08:41:31,112 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 08:41:31,119 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 08:41:31,119 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 20 [2020-10-27 08:41:31,119 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 08:41:31,119 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 9 [2020-10-27 08:41:31,120 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 08:41:31,120 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 08:41:31,120 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 08:41:31,120 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 17 [2020-10-27 08:41:31,120 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 08:41:31,125 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-27 08:41:31,126 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 08:41:31,130 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 08:41:31,136 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 08:41:31,137 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 15 [2020-10-27 08:41:31,137 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 08:41:31,137 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 9 [2020-10-27 08:41:31,137 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 08:41:31,137 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 08:41:31,137 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 08:41:31,138 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 08:41:31,138 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 08:41:31,141 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 08:41:31,142 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 08:41:31,145 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 08:41:31,148 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 08:41:31,148 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 08:41:31,148 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 08:41:31,148 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-27 08:41:31,149 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 08:41:31,149 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 08:41:31,149 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 08:41:31,149 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 08:41:31,149 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 08:41:31,178 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-27 08:41:31,179 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [371155775] [2020-10-27 08:41:31,180 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-27 08:41:31,181 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2020-10-27 08:41:31,181 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [547567361] [2020-10-27 08:41:31,181 INFO L461 AbstractCegarLoop]: Interpolant automaton has 6 states [2020-10-27 08:41:31,181 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-27 08:41:31,182 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2020-10-27 08:41:31,182 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2020-10-27 08:41:31,182 INFO L87 Difference]: Start difference. First operand 2428 states and 3189 transitions. Second operand 6 states. [2020-10-27 08:41:39,070 WARN L193 SmtUtils]: Spent 7.86 s on a formula simplification that was a NOOP. DAG size: 1129 [2020-10-27 08:41:49,536 WARN L193 SmtUtils]: Spent 8.02 s on a formula simplification that was a NOOP. DAG size: 1132 [2020-10-27 08:41:57,714 WARN L193 SmtUtils]: Spent 7.94 s on a formula simplification that was a NOOP. DAG size: 1129