/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=DEEPEST --traceabstraction.additional.smt.options log-additional-information=true --traceabstraction.additional.smt.options unknown-allowed=true -s ../../../trunk/examples/settings/default/automizer/svcomp-Reach-64bit-Automizer_Default.epf language data_model -i ../../../trunk/examples/svcomp/ldv-linux-3.16-rc1/43_2a_consumption_linux-3.16-rc1.tar.xz-43_2a-drivers--media--usb--dvb-usb--dvb-usb-gp8psk.ko-entry_point.cil.out.i -------------------------------------------------------------------------------- This is Ultimate 0.2.0-0f64333 [2020-10-28 05:04:00,673 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-10-28 05:04:00,677 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-10-28 05:04:00,718 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-10-28 05:04:00,718 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-10-28 05:04:00,720 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-10-28 05:04:00,721 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-10-28 05:04:00,724 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-10-28 05:04:00,726 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-10-28 05:04:00,727 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-10-28 05:04:00,729 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-10-28 05:04:00,730 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-10-28 05:04:00,731 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-10-28 05:04:00,732 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-10-28 05:04:00,733 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-10-28 05:04:00,735 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-10-28 05:04:00,736 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-10-28 05:04:00,738 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-10-28 05:04:00,740 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-10-28 05:04:00,743 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-10-28 05:04:00,745 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-10-28 05:04:00,746 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-10-28 05:04:00,748 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-10-28 05:04:00,749 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-10-28 05:04:00,753 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-10-28 05:04:00,753 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-10-28 05:04:00,753 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-10-28 05:04:00,755 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-10-28 05:04:00,755 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-10-28 05:04:00,769 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-10-28 05:04:00,769 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-10-28 05:04:00,770 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-10-28 05:04:00,771 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-10-28 05:04:00,772 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-10-28 05:04:00,773 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-10-28 05:04:00,774 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-10-28 05:04:00,774 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-10-28 05:04:00,775 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-10-28 05:04:00,775 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-10-28 05:04:00,776 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-10-28 05:04:00,777 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-10-28 05:04:00,778 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 [2020-10-28 05:04:00,815 INFO L113 SettingsManager]: Loading preferences was successful [2020-10-28 05:04:00,815 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-10-28 05:04:00,820 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-10-28 05:04:00,821 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-10-28 05:04:00,821 INFO L138 SettingsManager]: * Use SBE=true [2020-10-28 05:04:00,821 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-10-28 05:04:00,822 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-10-28 05:04:00,822 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-10-28 05:04:00,823 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-10-28 05:04:00,823 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-10-28 05:04:00,823 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-10-28 05:04:00,824 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-10-28 05:04:00,824 INFO L138 SettingsManager]: * Use constant arrays=true [2020-10-28 05:04:00,824 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-10-28 05:04:00,825 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-10-28 05:04:00,825 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-10-28 05:04:00,826 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-10-28 05:04:00,826 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-10-28 05:04:00,827 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-10-28 05:04:00,827 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-10-28 05:04:00,827 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-10-28 05:04:00,828 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-10-28 05:04:00,828 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-10-28 05:04:00,829 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-10-28 05:04:00,829 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-10-28 05:04:00,829 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-10-28 05:04:00,829 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2020-10-28 05:04:00,830 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Trace refinement strategy -> FIXED_PREFERENCES Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute Interpolants along a Counterexample -> Craig_NestedInterpolation Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: SMT solver -> Internal_SMTInterpol Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute trace for counterexample result -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder: Size of a code block -> SequenceOfStatements Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Use minimal unsat core enumeration -> true Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=5000;interpolation-heuristic=DEEPEST;log-additional-information=true;unknown-allowed=true; [2020-10-28 05:04:01,253 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-10-28 05:04:01,289 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-10-28 05:04:01,294 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-10-28 05:04:01,296 INFO L271 PluginConnector]: Initializing CDTParser... [2020-10-28 05:04:01,297 INFO L275 PluginConnector]: CDTParser initialized [2020-10-28 05:04:01,298 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/ldv-linux-3.16-rc1/43_2a_consumption_linux-3.16-rc1.tar.xz-43_2a-drivers--media--usb--dvb-usb--dvb-usb-gp8psk.ko-entry_point.cil.out.i [2020-10-28 05:04:01,395 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/74ed73c25/5106b63b358849dc854e6f0657d2060c/FLAG60af2d4c7 [2020-10-28 05:04:02,486 INFO L306 CDTParser]: Found 1 translation units. [2020-10-28 05:04:02,488 INFO L160 CDTParser]: Scanning /storage/repos/ultimate-2/trunk/examples/svcomp/ldv-linux-3.16-rc1/43_2a_consumption_linux-3.16-rc1.tar.xz-43_2a-drivers--media--usb--dvb-usb--dvb-usb-gp8psk.ko-entry_point.cil.out.i [2020-10-28 05:04:02,557 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/74ed73c25/5106b63b358849dc854e6f0657d2060c/FLAG60af2d4c7 [2020-10-28 05:04:02,876 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/74ed73c25/5106b63b358849dc854e6f0657d2060c [2020-10-28 05:04:02,879 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-10-28 05:04:02,889 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-10-28 05:04:02,894 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-10-28 05:04:02,894 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-10-28 05:04:02,899 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-10-28 05:04:02,901 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.10 05:04:02" (1/1) ... [2020-10-28 05:04:02,905 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@76553d18 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 05:04:02, skipping insertion in model container [2020-10-28 05:04:02,905 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.10 05:04:02" (1/1) ... [2020-10-28 05:04:02,916 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-10-28 05:04:03,131 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-10-28 05:04:03,776 WARN L1207 CHandler]: Detected problem Invalid redeclaration of the name show at C: (*show)(struct kobject___0 * , struct attribute___0 * , char * ) [6679] [2020-10-28 05:04:03,777 WARN L1207 CHandler]: Detected problem Invalid redeclaration of the name store at C: (*store)(struct kobject___0 * , struct attribute___0 * , char const * , size_t ) [6680-6681] [2020-10-28 05:04:04,836 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-28 05:04:04,940 INFO L203 MainTranslator]: Completed pre-run [2020-10-28 05:04:05,262 WARN L1207 CHandler]: Detected problem Invalid redeclaration of the name show at C: (*show)(struct kobject___0 * , struct attribute___0 * , char * ) [6679] [2020-10-28 05:04:05,263 WARN L1207 CHandler]: Detected problem Invalid redeclaration of the name store at C: (*store)(struct kobject___0 * , struct attribute___0 * , char const * , size_t ) [6680-6681] [2020-10-28 05:04:05,500 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-28 05:04:05,772 INFO L208 MainTranslator]: Completed translation [2020-10-28 05:04:05,772 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 05:04:05 WrapperNode [2020-10-28 05:04:05,772 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-10-28 05:04:05,775 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-10-28 05:04:05,776 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-10-28 05:04:05,776 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-10-28 05:04:05,791 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 05:04:05" (1/1) ... [2020-10-28 05:04:05,791 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 05:04:05" (1/1) ... [2020-10-28 05:04:05,864 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 05:04:05" (1/1) ... [2020-10-28 05:04:05,864 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 05:04:05" (1/1) ... [2020-10-28 05:04:05,968 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 05:04:05" (1/1) ... [2020-10-28 05:04:05,983 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 05:04:05" (1/1) ... [2020-10-28 05:04:06,025 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 05:04:05" (1/1) ... [2020-10-28 05:04:06,046 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-10-28 05:04:06,048 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-10-28 05:04:06,048 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-10-28 05:04:06,048 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-10-28 05:04:06,049 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 05:04:05" (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 [2020-10-28 05:04:06,132 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-10-28 05:04:06,132 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-10-28 05:04:06,133 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error [2020-10-28 05:04:06,133 INFO L138 BoogieDeclarations]: Found implementation of procedure __kmalloc [2020-10-28 05:04:06,133 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kmalloc_12 [2020-10-28 05:04:06,133 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2020-10-28 05:04:06,133 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2020-10-28 05:04:06,133 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_zalloc [2020-10-28 05:04:06,133 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undef_int [2020-10-28 05:04:06,134 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undef_ulong [2020-10-28 05:04:06,134 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_error [2020-10-28 05:04:06,134 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2020-10-28 05:04:06,134 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2020-10-28 05:04:06,134 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_trap [2020-10-28 05:04:06,134 INFO L138 BoogieDeclarations]: Found implementation of procedure interface_to_usbdev [2020-10-28 05:04:06,135 INFO L138 BoogieDeclarations]: Found implementation of procedure __create_pipe [2020-10-28 05:04:06,135 INFO L138 BoogieDeclarations]: Found implementation of procedure gp8psk_get_fw_version [2020-10-28 05:04:06,135 INFO L138 BoogieDeclarations]: Found implementation of procedure gp8psk_get_fpga_version [2020-10-28 05:04:06,135 INFO L138 BoogieDeclarations]: Found implementation of procedure gp8psk_info [2020-10-28 05:04:06,135 INFO L138 BoogieDeclarations]: Found implementation of procedure gp8psk_usb_in_op [2020-10-28 05:04:06,135 INFO L138 BoogieDeclarations]: Found implementation of procedure gp8psk_usb_out_op [2020-10-28 05:04:06,135 INFO L138 BoogieDeclarations]: Found implementation of procedure gp8psk_load_bcm4500fw [2020-10-28 05:04:06,136 INFO L138 BoogieDeclarations]: Found implementation of procedure gp8psk_power_ctrl [2020-10-28 05:04:06,136 INFO L138 BoogieDeclarations]: Found implementation of procedure gp8psk_bcm4500_reload [2020-10-28 05:04:06,136 INFO L138 BoogieDeclarations]: Found implementation of procedure gp8psk_streaming_ctrl [2020-10-28 05:04:06,136 INFO L138 BoogieDeclarations]: Found implementation of procedure gp8psk_frontend_attach [2020-10-28 05:04:06,136 INFO L138 BoogieDeclarations]: Found implementation of procedure gp8psk_usb_probe [2020-10-28 05:04:06,136 INFO L138 BoogieDeclarations]: Found implementation of procedure gp8psk_usb_driver_init [2020-10-28 05:04:06,136 INFO L138 BoogieDeclarations]: Found implementation of procedure gp8psk_usb_driver_exit [2020-10-28 05:04:06,136 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_driver_2 [2020-10-28 05:04:06,137 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-10-28 05:04:06,137 INFO L138 BoogieDeclarations]: Found implementation of procedure kmalloc [2020-10-28 05:04:06,137 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_pskb_expand_head_22 [2020-10-28 05:04:06,137 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_skb_clone_24 [2020-10-28 05:04:06,137 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_skb_copy_26 [2020-10-28 05:04:06,137 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv___netdev_alloc_skb_27 [2020-10-28 05:04:06,137 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv___netdev_alloc_skb_28 [2020-10-28 05:04:06,138 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv___netdev_alloc_skb_29 [2020-10-28 05:04:06,138 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_pskb_expand_head_30 [2020-10-28 05:04:06,138 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_pskb_expand_head_31 [2020-10-28 05:04:06,138 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_skb_clone_32 [2020-10-28 05:04:06,138 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_register_driver_33 [2020-10-28 05:04:06,138 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_deregister_34 [2020-10-28 05:04:06,138 INFO L138 BoogieDeclarations]: Found implementation of procedure gp8psk_tuned_to_DCII [2020-10-28 05:04:06,138 INFO L138 BoogieDeclarations]: Found implementation of procedure gp8psk_set_tuner_mode [2020-10-28 05:04:06,139 INFO L138 BoogieDeclarations]: Found implementation of procedure gp8psk_fe_update_status [2020-10-28 05:04:06,139 INFO L138 BoogieDeclarations]: Found implementation of procedure gp8psk_fe_read_status [2020-10-28 05:04:06,139 INFO L138 BoogieDeclarations]: Found implementation of procedure gp8psk_fe_read_ber [2020-10-28 05:04:06,139 INFO L138 BoogieDeclarations]: Found implementation of procedure gp8psk_fe_read_unc_blocks [2020-10-28 05:04:06,139 INFO L138 BoogieDeclarations]: Found implementation of procedure gp8psk_fe_read_snr [2020-10-28 05:04:06,139 INFO L138 BoogieDeclarations]: Found implementation of procedure gp8psk_fe_read_signal_strength [2020-10-28 05:04:06,139 INFO L138 BoogieDeclarations]: Found implementation of procedure gp8psk_fe_get_tune_settings [2020-10-28 05:04:06,140 INFO L138 BoogieDeclarations]: Found implementation of procedure gp8psk_fe_set_frontend [2020-10-28 05:04:06,140 INFO L138 BoogieDeclarations]: Found implementation of procedure gp8psk_fe_send_diseqc_msg [2020-10-28 05:04:06,140 INFO L138 BoogieDeclarations]: Found implementation of procedure gp8psk_fe_send_diseqc_burst [2020-10-28 05:04:06,140 INFO L138 BoogieDeclarations]: Found implementation of procedure gp8psk_fe_set_tone [2020-10-28 05:04:06,140 INFO L138 BoogieDeclarations]: Found implementation of procedure gp8psk_fe_set_voltage [2020-10-28 05:04:06,140 INFO L138 BoogieDeclarations]: Found implementation of procedure gp8psk_fe_enable_high_lnb_voltage [2020-10-28 05:04:06,140 INFO L138 BoogieDeclarations]: Found implementation of procedure gp8psk_fe_send_legacy_dish_cmd [2020-10-28 05:04:06,141 INFO L138 BoogieDeclarations]: Found implementation of procedure gp8psk_fe_release [2020-10-28 05:04:06,141 INFO L138 BoogieDeclarations]: Found implementation of procedure gp8psk_fe_attach [2020-10-28 05:04:06,141 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_initialize_dvb_frontend_ops_1 [2020-10-28 05:04:06,141 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_main_exported_1 [2020-10-28 05:04:06,141 INFO L138 BoogieDeclarations]: Found implementation of procedure kzalloc [2020-10-28 05:04:06,141 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_pskb_expand_head_68 [2020-10-28 05:04:06,141 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_skb_clone_70 [2020-10-28 05:04:06,142 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_skb_copy_72 [2020-10-28 05:04:06,142 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv___netdev_alloc_skb_73 [2020-10-28 05:04:06,142 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv___netdev_alloc_skb_74 [2020-10-28 05:04:06,142 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv___netdev_alloc_skb_75 [2020-10-28 05:04:06,142 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_pskb_expand_head_76 [2020-10-28 05:04:06,142 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_pskb_expand_head_77 [2020-10-28 05:04:06,142 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_skb_clone_78 [2020-10-28 05:04:06,143 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_alloc_flags [2020-10-28 05:04:06,143 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_alloc_flags_and_return_some_page [2020-10-28 05:04:06,143 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_alloc_nonatomic [2020-10-28 05:04:06,143 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_lock [2020-10-28 05:04:06,143 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock [2020-10-28 05:04:06,143 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_trylock [2020-10-28 05:04:06,143 INFO L138 BoogieDeclarations]: Found implementation of procedure __netdev_alloc_skb [2020-10-28 05:04:06,144 INFO L138 BoogieDeclarations]: Found implementation of procedure dvb_usb_device_exit [2020-10-28 05:04:06,144 INFO L138 BoogieDeclarations]: Found implementation of procedure dvb_usb_device_init [2020-10-28 05:04:06,144 INFO L138 BoogieDeclarations]: Found implementation of procedure dvb_usb_generic_write [2020-10-28 05:04:06,144 INFO L138 BoogieDeclarations]: Found implementation of procedure kmem_cache_alloc [2020-10-28 05:04:06,144 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_final_state [2020-10-28 05:04:06,144 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_initialize [2020-10-28 05:04:06,144 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_probe_1 [2020-10-28 05:04:06,145 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_some_page [2020-10-28 05:04:06,145 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_lock_interruptible_nested [2020-10-28 05:04:06,145 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_unlock [2020-10-28 05:04:06,145 INFO L138 BoogieDeclarations]: Found implementation of procedure printk [2020-10-28 05:04:06,145 INFO L138 BoogieDeclarations]: Found implementation of procedure pskb_expand_head [2020-10-28 05:04:06,145 INFO L138 BoogieDeclarations]: Found implementation of procedure release_firmware [2020-10-28 05:04:06,145 INFO L138 BoogieDeclarations]: Found implementation of procedure request_firmware [2020-10-28 05:04:06,145 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_clone [2020-10-28 05:04:06,146 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_copy [2020-10-28 05:04:06,146 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_control_msg [2020-10-28 05:04:06,146 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_deregister [2020-10-28 05:04:06,146 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_register_driver [2020-10-28 05:04:06,146 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree [2020-10-28 05:04:06,147 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2020-10-28 05:04:06,147 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.meminit [2020-10-28 05:04:06,147 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy [2020-10-28 05:04:06,147 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2020-10-28 05:04:06,147 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2020-10-28 05:04:06,147 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_perror_fail [2020-10-28 05:04:06,147 INFO L130 BoogieDeclarations]: Found specification of procedure __assert [2020-10-28 05:04:06,148 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error [2020-10-28 05:04:06,148 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-10-28 05:04:06,148 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2020-10-28 05:04:06,148 INFO L130 BoogieDeclarations]: Found specification of procedure printk [2020-10-28 05:04:06,148 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_lock_interruptible_nested [2020-10-28 05:04:06,148 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_unlock [2020-10-28 05:04:06,148 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2020-10-28 05:04:06,149 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2020-10-28 05:04:06,149 INFO L130 BoogieDeclarations]: Found specification of procedure __kmalloc [2020-10-28 05:04:06,149 INFO L130 BoogieDeclarations]: Found specification of procedure kmem_cache_alloc [2020-10-28 05:04:06,149 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kmalloc_12 [2020-10-28 05:04:06,149 INFO L130 BoogieDeclarations]: Found specification of procedure kmalloc [2020-10-28 05:04:06,149 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_alloc_flags [2020-10-28 05:04:06,150 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2020-10-28 05:04:06,150 INFO L130 BoogieDeclarations]: Found specification of procedure calloc [2020-10-28 05:04:06,150 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2020-10-28 05:04:06,150 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_ulong [2020-10-28 05:04:06,150 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2020-10-28 05:04:06,150 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2020-10-28 05:04:06,150 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_zalloc [2020-10-28 05:04:06,151 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.meminit [2020-10-28 05:04:06,151 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undef_int [2020-10-28 05:04:06,151 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undef_ulong [2020-10-28 05:04:06,151 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_error [2020-10-28 05:04:06,151 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2020-10-28 05:04:06,151 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_trap [2020-10-28 05:04:06,151 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_driver_2 [2020-10-28 05:04:06,152 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_initialize_dvb_frontend_ops_1 [2020-10-28 05:04:06,152 INFO L130 BoogieDeclarations]: Found specification of procedure interface_to_usbdev [2020-10-28 05:04:06,152 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2020-10-28 05:04:06,152 INFO L130 BoogieDeclarations]: Found specification of procedure usb_register_driver [2020-10-28 05:04:06,152 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_register_driver_33 [2020-10-28 05:04:06,152 INFO L130 BoogieDeclarations]: Found specification of procedure usb_deregister [2020-10-28 05:04:06,152 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_deregister_34 [2020-10-28 05:04:06,153 INFO L130 BoogieDeclarations]: Found specification of procedure usb_control_msg [2020-10-28 05:04:06,153 INFO L130 BoogieDeclarations]: Found specification of procedure __create_pipe [2020-10-28 05:04:06,153 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2020-10-28 05:04:06,153 INFO L130 BoogieDeclarations]: Found specification of procedure request_firmware [2020-10-28 05:04:06,153 INFO L130 BoogieDeclarations]: Found specification of procedure release_firmware [2020-10-28 05:04:06,153 INFO L130 BoogieDeclarations]: Found specification of procedure skb_clone [2020-10-28 05:04:06,153 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_skb_clone_24 [2020-10-28 05:04:06,154 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_skb_clone_32 [2020-10-28 05:04:06,154 INFO L130 BoogieDeclarations]: Found specification of procedure skb_copy [2020-10-28 05:04:06,154 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_skb_copy_26 [2020-10-28 05:04:06,154 INFO L130 BoogieDeclarations]: Found specification of procedure pskb_expand_head [2020-10-28 05:04:06,154 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_pskb_expand_head_22 [2020-10-28 05:04:06,154 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_pskb_expand_head_30 [2020-10-28 05:04:06,154 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_pskb_expand_head_31 [2020-10-28 05:04:06,155 INFO L130 BoogieDeclarations]: Found specification of procedure __netdev_alloc_skb [2020-10-28 05:04:06,155 INFO L130 BoogieDeclarations]: Found specification of procedure ldv___netdev_alloc_skb_27 [2020-10-28 05:04:06,155 INFO L130 BoogieDeclarations]: Found specification of procedure ldv___netdev_alloc_skb_28 [2020-10-28 05:04:06,155 INFO L130 BoogieDeclarations]: Found specification of procedure ldv___netdev_alloc_skb_29 [2020-10-28 05:04:06,155 INFO L130 BoogieDeclarations]: Found specification of procedure dvb_usb_device_init [2020-10-28 05:04:06,155 INFO L130 BoogieDeclarations]: Found specification of procedure dvb_usb_device_exit [2020-10-28 05:04:06,155 INFO L130 BoogieDeclarations]: Found specification of procedure dvb_usb_generic_write [2020-10-28 05:04:06,156 INFO L130 BoogieDeclarations]: Found specification of procedure gp8psk_fe_attach [2020-10-28 05:04:06,156 INFO L130 BoogieDeclarations]: Found specification of procedure gp8psk_usb_in_op [2020-10-28 05:04:06,156 INFO L130 BoogieDeclarations]: Found specification of procedure gp8psk_usb_out_op [2020-10-28 05:04:06,156 INFO L130 BoogieDeclarations]: Found specification of procedure gp8psk_bcm4500_reload [2020-10-28 05:04:06,156 INFO L130 BoogieDeclarations]: Found specification of procedure gp8psk_get_fw_version [2020-10-28 05:04:06,156 INFO L130 BoogieDeclarations]: Found specification of procedure gp8psk_get_fpga_version [2020-10-28 05:04:06,156 INFO L130 BoogieDeclarations]: Found specification of procedure gp8psk_info [2020-10-28 05:04:06,157 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-10-28 05:04:06,157 INFO L130 BoogieDeclarations]: Found specification of procedure gp8psk_load_bcm4500fw [2020-10-28 05:04:06,157 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy [2020-10-28 05:04:06,157 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2020-10-28 05:04:06,157 INFO L130 BoogieDeclarations]: Found specification of procedure gp8psk_power_ctrl [2020-10-28 05:04:06,157 INFO L130 BoogieDeclarations]: Found specification of procedure gp8psk_streaming_ctrl [2020-10-28 05:04:06,157 INFO L130 BoogieDeclarations]: Found specification of procedure gp8psk_frontend_attach [2020-10-28 05:04:06,158 INFO L130 BoogieDeclarations]: Found specification of procedure gp8psk_usb_probe [2020-10-28 05:04:06,158 INFO L130 BoogieDeclarations]: Found specification of procedure gp8psk_usb_driver_init [2020-10-28 05:04:06,158 INFO L130 BoogieDeclarations]: Found specification of procedure gp8psk_usb_driver_exit [2020-10-28 05:04:06,158 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_initialize [2020-10-28 05:04:06,158 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_final_state [2020-10-28 05:04:06,158 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_main_exported_1 [2020-10-28 05:04:06,158 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-10-28 05:04:06,159 INFO L130 BoogieDeclarations]: Found specification of procedure memcpy [2020-10-28 05:04:06,159 INFO L130 BoogieDeclarations]: Found specification of procedure memset [2020-10-28 05:04:06,159 INFO L130 BoogieDeclarations]: Found specification of procedure kzalloc [2020-10-28 05:04:06,159 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_skb_clone_70 [2020-10-28 05:04:06,159 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_skb_clone_78 [2020-10-28 05:04:06,159 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_skb_copy_72 [2020-10-28 05:04:06,159 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_pskb_expand_head_68 [2020-10-28 05:04:06,159 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_pskb_expand_head_76 [2020-10-28 05:04:06,160 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_pskb_expand_head_77 [2020-10-28 05:04:06,160 INFO L130 BoogieDeclarations]: Found specification of procedure ldv___netdev_alloc_skb_73 [2020-10-28 05:04:06,160 INFO L130 BoogieDeclarations]: Found specification of procedure ldv___netdev_alloc_skb_74 [2020-10-28 05:04:06,160 INFO L130 BoogieDeclarations]: Found specification of procedure ldv___netdev_alloc_skb_75 [2020-10-28 05:04:06,160 INFO L130 BoogieDeclarations]: Found specification of procedure gp8psk_tuned_to_DCII [2020-10-28 05:04:06,160 INFO L130 BoogieDeclarations]: Found specification of procedure gp8psk_set_tuner_mode [2020-10-28 05:04:06,160 INFO L130 BoogieDeclarations]: Found specification of procedure gp8psk_fe_update_status [2020-10-28 05:04:06,160 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-10-28 05:04:06,161 INFO L130 BoogieDeclarations]: Found specification of procedure gp8psk_fe_read_status [2020-10-28 05:04:06,161 INFO L130 BoogieDeclarations]: Found specification of procedure gp8psk_fe_read_ber [2020-10-28 05:04:06,161 INFO L130 BoogieDeclarations]: Found specification of procedure gp8psk_fe_read_unc_blocks [2020-10-28 05:04:06,161 INFO L130 BoogieDeclarations]: Found specification of procedure gp8psk_fe_read_snr [2020-10-28 05:04:06,161 INFO L130 BoogieDeclarations]: Found specification of procedure gp8psk_fe_read_signal_strength [2020-10-28 05:04:06,161 INFO L130 BoogieDeclarations]: Found specification of procedure gp8psk_fe_get_tune_settings [2020-10-28 05:04:06,161 INFO L130 BoogieDeclarations]: Found specification of procedure gp8psk_fe_set_frontend [2020-10-28 05:04:06,162 INFO L130 BoogieDeclarations]: Found specification of procedure gp8psk_fe_send_diseqc_msg [2020-10-28 05:04:06,162 INFO L130 BoogieDeclarations]: Found specification of procedure gp8psk_fe_send_diseqc_burst [2020-10-28 05:04:06,162 INFO L130 BoogieDeclarations]: Found specification of procedure gp8psk_fe_set_tone [2020-10-28 05:04:06,162 INFO L130 BoogieDeclarations]: Found specification of procedure gp8psk_fe_set_voltage [2020-10-28 05:04:06,162 INFO L130 BoogieDeclarations]: Found specification of procedure gp8psk_fe_enable_high_lnb_voltage [2020-10-28 05:04:06,162 INFO L130 BoogieDeclarations]: Found specification of procedure gp8psk_fe_send_legacy_dish_cmd [2020-10-28 05:04:06,162 INFO L130 BoogieDeclarations]: Found specification of procedure gp8psk_fe_release [2020-10-28 05:04:06,162 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_probe_1 [2020-10-28 05:04:06,163 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2020-10-28 05:04:06,163 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_some_page [2020-10-28 05:04:06,163 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_alloc_flags_and_return_some_page [2020-10-28 05:04:06,163 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_alloc_nonatomic [2020-10-28 05:04:06,163 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_lock [2020-10-28 05:04:06,163 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock [2020-10-28 05:04:06,163 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_trylock [2020-10-28 05:04:06,163 INFO L130 BoogieDeclarations]: Found specification of procedure free [2020-10-28 05:04:06,164 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-10-28 05:04:06,164 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-10-28 05:04:06,164 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2020-10-28 05:04:06,164 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2020-10-28 05:04:06,164 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2020-10-28 05:04:06,164 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-10-28 05:04:06,165 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int [2020-10-28 05:04:06,165 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2020-10-28 05:04:07,342 INFO L751 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stopFINAL: assume true; [2020-10-28 05:04:27,801 INFO L293 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-10-28 05:04:27,801 INFO L298 CfgBuilder]: Removed 0 assume(true) statements. [2020-10-28 05:04:27,805 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.10 05:04:27 BoogieIcfgContainer [2020-10-28 05:04:27,805 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-10-28 05:04:27,808 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-10-28 05:04:27,808 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-10-28 05:04:27,811 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-10-28 05:04:27,812 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 28.10 05:04:02" (1/3) ... [2020-10-28 05:04:27,812 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@671753d6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.10 05:04:27, skipping insertion in model container [2020-10-28 05:04:27,813 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 05:04:05" (2/3) ... [2020-10-28 05:04:27,813 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@671753d6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.10 05:04:27, skipping insertion in model container [2020-10-28 05:04:27,813 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.10 05:04:27" (3/3) ... [2020-10-28 05:04:27,815 INFO L111 eAbstractionObserver]: Analyzing ICFG 43_2a_consumption_linux-3.16-rc1.tar.xz-43_2a-drivers--media--usb--dvb-usb--dvb-usb-gp8psk.ko-entry_point.cil.out.i [2020-10-28 05:04:27,827 INFO L164 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:Craig_NestedInterpolation Determinization: PREDICATE_ABSTRACTION [2020-10-28 05:04:27,836 INFO L176 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-10-28 05:04:27,851 INFO L253 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-10-28 05:04:27,898 INFO L377 AbstractCegarLoop]: Interprodecural is true [2020-10-28 05:04:27,898 INFO L378 AbstractCegarLoop]: Hoare is true [2020-10-28 05:04:27,898 INFO L379 AbstractCegarLoop]: Compute interpolants for Craig_NestedInterpolation [2020-10-28 05:04:27,898 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-10-28 05:04:27,899 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-10-28 05:04:27,899 INFO L382 AbstractCegarLoop]: Difference is false [2020-10-28 05:04:27,899 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-10-28 05:04:27,899 INFO L387 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-10-28 05:04:27,946 INFO L276 IsEmpty]: Start isEmpty. Operand 759 states. [2020-10-28 05:04:27,977 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 80 [2020-10-28 05:04:27,977 INFO L414 BasicCegarLoop]: Found error trace [2020-10-28 05:04:27,983 INFO L422 BasicCegarLoop]: trace histogram [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] [2020-10-28 05:04:27,983 INFO L429 AbstractCegarLoop]: === Iteration 1 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-28 05:04:27,993 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-28 05:04:27,993 INFO L82 PathProgramCache]: Analyzing trace with hash 221768545, now seen corresponding path program 1 times [2020-10-28 05:04:28,002 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-28 05:04:28,003 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [15633850] [2020-10-28 05:04:28,004 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-28 05:04:28,703 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 05:04:28,907 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 05:04:29,258 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 05:04:32,933 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 05:04:34,168 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 05:04:34,170 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 113 [2020-10-28 05:04:34,171 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-10-28 05:04:34,171 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5460 [2020-10-28 05:04:34,174 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 05:04:34,175 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-28 05:04:34,175 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 91 [2020-10-28 05:04:34,175 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-28 05:04:34,175 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 3 [2020-10-28 05:04:35,536 WARN L193 SmtUtils]: Spent 1.04 s on a formula simplification that was a NOOP. DAG size: 400 [2020-10-28 05:04:35,539 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-28 05:04:35,563 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 05:04:35,582 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 05:04:35,992 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 05:04:35,992 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 05:04:35,992 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 05:04:35,993 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 428 [2020-10-28 05:04:35,993 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 05:04:35,993 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 05:04:35,993 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 05:04:35,993 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 05:04:35,993 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 05:04:36,171 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-28 05:04:36,173 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 05:04:36,189 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 05:04:36,206 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 05:04:36,207 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-28 05:04:36,207 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 05:04:36,207 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 32 [2020-10-28 05:04:36,207 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 05:04:36,208 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 05:04:36,208 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 05:04:36,208 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 05:04:36,208 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 05:04:36,249 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-28 05:04:36,255 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 05:04:36,278 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 05:04:36,287 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 05:04:36,287 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-28 05:04:36,287 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 05:04:36,287 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 31 [2020-10-28 05:04:36,288 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 05:04:36,288 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 05:04:36,288 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 05:04:36,288 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 05:04:36,288 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 05:04:36,307 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-10-28 05:04:36,308 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 05:04:36,321 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 05:04:36,327 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 05:04:36,328 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-28 05:04:36,328 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 05:04:36,328 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 18 [2020-10-28 05:04:36,328 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 05:04:36,328 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 05:04:36,328 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 05:04:36,329 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 05:04:36,329 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 05:04:36,344 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2020-10-28 05:04:36,346 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 05:04:36,360 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 05:04:36,377 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 05:04:36,378 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 16 [2020-10-28 05:04:36,378 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 05:04:36,378 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 30 [2020-10-28 05:04:36,378 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 05:04:36,378 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 05:04:36,379 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 05:04:36,379 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 05:04:36,379 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 05:04:36,399 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-28 05:04:36,400 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 05:04:36,414 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 05:04:36,420 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 05:04:36,421 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 05:04:36,421 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 05:04:36,421 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 19 [2020-10-28 05:04:36,421 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 05:04:36,421 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 05:04:36,422 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 05:04:36,422 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 05:04:36,422 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 05:04:36,440 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 48 [2020-10-28 05:04:36,441 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 05:04:36,454 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 05:04:36,460 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 05:04:36,460 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 05:04:36,460 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 05:04:36,460 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 18 [2020-10-28 05:04:36,461 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 05:04:36,461 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 05:04:36,461 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 05:04:36,461 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 05:04:36,461 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 05:04:36,479 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2020-10-28 05:04:36,485 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 05:04:36,501 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 05:04:36,560 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 05:04:36,561 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 20 [2020-10-28 05:04:36,561 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 05:04:36,561 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 74 [2020-10-28 05:04:36,561 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 05:04:36,561 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-10-28 05:04:36,562 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 05:04:36,562 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 16 [2020-10-28 05:04:36,562 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 05:04:36,618 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2020-10-28 05:04:36,619 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 05:04:36,635 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 05:04:36,641 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 05:04:36,642 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 05:04:36,642 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 05:04:36,642 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 22 [2020-10-28 05:04:36,642 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 05:04:36,643 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 05:04:36,643 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 05:04:36,643 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 05:04:36,643 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 05:04:36,694 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2020-10-28 05:04:36,695 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [15633850] [2020-10-28 05:04:36,697 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-28 05:04:36,697 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2020-10-28 05:04:36,698 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [349865904] [2020-10-28 05:04:36,703 INFO L461 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-10-28 05:04:36,704 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-28 05:04:36,721 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-10-28 05:04:36,723 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2020-10-28 05:04:36,725 INFO L87 Difference]: Start difference. First operand 759 states. Second operand 7 states. [2020-10-28 05:04:43,633 WARN L193 SmtUtils]: Spent 1.30 s on a formula simplification that was a NOOP. DAG size: 407 [2020-10-28 05:04:50,053 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-28 05:04:50,053 INFO L93 Difference]: Finished difference Result 1342 states and 1889 transitions. [2020-10-28 05:04:50,054 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2020-10-28 05:04:50,056 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 79 [2020-10-28 05:04:50,057 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-28 05:04:50,080 INFO L225 Difference]: With dead ends: 1342 [2020-10-28 05:04:50,081 INFO L226 Difference]: Without dead ends: 683 [2020-10-28 05:04:50,098 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 24 GetRequests, 18 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 2.5s TimeCoverageRelationStatistics Valid=17, Invalid=39, Unknown=0, NotChecked=0, Total=56 [2020-10-28 05:04:50,125 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 683 states. [2020-10-28 05:04:50,334 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 683 to 602. [2020-10-28 05:04:50,335 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 602 states. [2020-10-28 05:04:50,342 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 602 states to 602 states and 827 transitions. [2020-10-28 05:04:50,344 INFO L78 Accepts]: Start accepts. Automaton has 602 states and 827 transitions. Word has length 79 [2020-10-28 05:04:50,345 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-28 05:04:50,345 INFO L481 AbstractCegarLoop]: Abstraction has 602 states and 827 transitions. [2020-10-28 05:04:50,345 INFO L482 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-10-28 05:04:50,345 INFO L276 IsEmpty]: Start isEmpty. Operand 602 states and 827 transitions. [2020-10-28 05:04:50,351 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 96 [2020-10-28 05:04:50,351 INFO L414 BasicCegarLoop]: Found error trace [2020-10-28 05:04:50,352 INFO L422 BasicCegarLoop]: trace histogram [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] [2020-10-28 05:04:50,352 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-10-28 05:04:50,352 INFO L429 AbstractCegarLoop]: === Iteration 2 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-28 05:04:50,354 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-28 05:04:50,355 INFO L82 PathProgramCache]: Analyzing trace with hash -1716356967, now seen corresponding path program 1 times [2020-10-28 05:04:50,355 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-28 05:04:50,355 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [919815063] [2020-10-28 05:04:50,355 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-28 05:04:50,516 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 05:04:50,642 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 05:04:50,861 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 05:04:55,960 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 05:04:55,961 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 135 [2020-10-28 05:04:55,961 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-28 05:04:55,961 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5441 [2020-10-28 05:04:55,961 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 05:04:55,961 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-28 05:04:55,961 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 106 [2020-10-28 05:04:55,962 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 12 [2020-10-28 05:04:55,962 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 05:04:57,400 WARN L193 SmtUtils]: Spent 1.21 s on a formula simplification that was a NOOP. DAG size: 400 [2020-10-28 05:04:57,401 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-28 05:04:57,428 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 05:04:57,447 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 05:04:57,808 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 05:04:57,809 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 05:04:57,809 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 05:04:57,809 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 378 [2020-10-28 05:04:57,809 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 05:04:57,809 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 05:04:57,809 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 05:04:57,810 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 05:04:57,810 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 05:04:57,927 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-28 05:04:57,929 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 05:04:57,950 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 05:04:57,957 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 05:04:57,957 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-28 05:04:57,957 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 05:04:57,957 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 27 [2020-10-28 05:04:57,957 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 05:04:57,958 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 05:04:57,958 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 05:04:57,958 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 05:04:57,958 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 05:04:57,976 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-28 05:04:57,977 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 05:04:57,992 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 05:04:57,998 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 05:04:57,998 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-28 05:04:57,999 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 05:04:57,999 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 20 [2020-10-28 05:04:57,999 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 05:04:57,999 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 05:04:58,000 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 05:04:58,000 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 05:04:58,000 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 05:04:58,020 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-10-28 05:04:58,026 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 05:04:58,040 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 05:04:58,050 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 05:04:58,050 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-28 05:04:58,050 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 05:04:58,050 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 22 [2020-10-28 05:04:58,051 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 05:04:58,051 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 05:04:58,051 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 05:04:58,051 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 05:04:58,051 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 05:04:58,065 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2020-10-28 05:04:58,067 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 05:04:58,080 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 05:04:58,093 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 05:04:58,093 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 16 [2020-10-28 05:04:58,094 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 05:04:58,094 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 25 [2020-10-28 05:04:58,094 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 05:04:58,094 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 05:04:58,094 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 05:04:58,094 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 05:04:58,095 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 05:04:58,112 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-28 05:04:58,113 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 05:04:58,127 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 05:04:58,133 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 05:04:58,133 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 05:04:58,133 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 05:04:58,133 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 19 [2020-10-28 05:04:58,134 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 05:04:58,134 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 05:04:58,134 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 05:04:58,134 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 05:04:58,134 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 05:04:58,151 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 48 [2020-10-28 05:04:58,153 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 05:04:58,167 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 05:04:58,172 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 05:04:58,172 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 05:04:58,173 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 05:04:58,173 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 18 [2020-10-28 05:04:58,173 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 05:04:58,173 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 05:04:58,173 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 05:04:58,173 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 05:04:58,174 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 05:04:58,191 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2020-10-28 05:04:58,206 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 05:04:58,229 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 05:04:58,351 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 05:04:58,351 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 42 [2020-10-28 05:04:58,352 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 05:04:58,352 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 144 [2020-10-28 05:04:58,352 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 05:04:58,352 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-28 05:04:58,352 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 05:04:58,352 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 38 [2020-10-28 05:04:58,353 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 05:04:58,419 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2020-10-28 05:04:58,422 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 05:04:58,435 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 05:04:58,442 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 05:04:58,443 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 05:04:58,443 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 05:04:58,443 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 19 [2020-10-28 05:04:58,443 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 05:04:58,444 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 05:04:58,444 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 05:04:58,444 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 05:04:58,444 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 05:04:58,459 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2020-10-28 05:04:58,460 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 05:04:58,473 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 05:04:58,478 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 05:04:58,478 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 05:04:58,479 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 05:04:58,479 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 17 [2020-10-28 05:04:58,479 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 05:04:58,479 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 05:04:58,479 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 05:04:58,480 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 05:04:58,480 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 05:04:58,495 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2020-10-28 05:04:58,496 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 05:04:58,511 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 05:04:58,517 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 05:04:58,517 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 05:04:58,517 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 05:04:58,517 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 18 [2020-10-28 05:04:58,518 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 05:04:58,518 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 05:04:58,518 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 05:04:58,518 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 05:04:58,518 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 05:04:58,536 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2020-10-28 05:04:58,538 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 05:04:58,552 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 05:04:58,561 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 05:04:58,561 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 05:04:58,561 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 05:04:58,562 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 22 [2020-10-28 05:04:58,562 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 05:04:58,562 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 05:04:58,562 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 05:04:58,562 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-28 05:04:58,563 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 05:04:58,620 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2020-10-28 05:04:58,620 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [919815063] [2020-10-28 05:04:58,621 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-28 05:04:58,621 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2020-10-28 05:04:58,622 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1322969089] [2020-10-28 05:04:58,623 INFO L461 AbstractCegarLoop]: Interpolant automaton has 8 states [2020-10-28 05:04:58,624 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-28 05:04:58,624 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2020-10-28 05:04:58,624 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=42, Unknown=0, NotChecked=0, Total=56 [2020-10-28 05:04:58,625 INFO L87 Difference]: Start difference. First operand 602 states and 827 transitions. Second operand 8 states. [2020-10-28 05:05:05,422 WARN L193 SmtUtils]: Spent 1.18 s on a formula simplification that was a NOOP. DAG size: 405 [2020-10-28 05:05:07,212 WARN L193 SmtUtils]: Spent 1.22 s on a formula simplification that was a NOOP. DAG size: 408 [2020-10-28 05:05:12,496 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-28 05:05:12,496 INFO L93 Difference]: Finished difference Result 1277 states and 1797 transitions. [2020-10-28 05:05:12,504 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2020-10-28 05:05:12,504 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 95 [2020-10-28 05:05:12,505 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-28 05:05:12,511 INFO L225 Difference]: With dead ends: 1277 [2020-10-28 05:05:12,512 INFO L226 Difference]: Without dead ends: 689 [2020-10-28 05:05:12,516 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 32 GetRequests, 24 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 3.7s TimeCoverageRelationStatistics Valid=26, Invalid=64, Unknown=0, NotChecked=0, Total=90 [2020-10-28 05:05:12,518 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 689 states. [2020-10-28 05:05:12,675 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 689 to 604. [2020-10-28 05:05:12,676 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 604 states. [2020-10-28 05:05:12,681 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 604 states to 604 states and 830 transitions. [2020-10-28 05:05:12,682 INFO L78 Accepts]: Start accepts. Automaton has 604 states and 830 transitions. Word has length 95 [2020-10-28 05:05:12,683 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-28 05:05:12,683 INFO L481 AbstractCegarLoop]: Abstraction has 604 states and 830 transitions. [2020-10-28 05:05:12,683 INFO L482 AbstractCegarLoop]: Interpolant automaton has 8 states. [2020-10-28 05:05:12,683 INFO L276 IsEmpty]: Start isEmpty. Operand 604 states and 830 transitions. [2020-10-28 05:05:12,686 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 96 [2020-10-28 05:05:12,686 INFO L414 BasicCegarLoop]: Found error trace [2020-10-28 05:05:12,687 INFO L422 BasicCegarLoop]: trace histogram [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] [2020-10-28 05:05:12,687 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-10-28 05:05:12,687 INFO L429 AbstractCegarLoop]: === Iteration 3 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-28 05:05:12,688 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-28 05:05:12,688 INFO L82 PathProgramCache]: Analyzing trace with hash 889666587, now seen corresponding path program 1 times [2020-10-28 05:05:12,688 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-28 05:05:12,688 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [687586385] [2020-10-28 05:05:12,688 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-28 05:05:12,825 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 05:05:12,930 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 05:05:13,574 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 05:05:14,856 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 05:05:17,042 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 05:05:17,043 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 135 [2020-10-28 05:05:17,043 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-10-28 05:05:17,043 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4215 [2020-10-28 05:05:17,044 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 05:05:17,044 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 05:05:17,044 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 33 [2020-10-28 05:05:17,044 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-28 05:05:17,044 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-28 05:05:18,373 WARN L193 SmtUtils]: Spent 1.16 s on a formula simplification that was a NOOP. DAG size: 400 [2020-10-28 05:05:18,375 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-28 05:05:18,396 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 05:05:18,413 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 05:05:19,182 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 05:05:19,182 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 05:05:19,183 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 05:05:19,183 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 785 [2020-10-28 05:05:19,183 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 05:05:19,183 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 05:05:19,183 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 05:05:19,184 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 05:05:19,184 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 05:05:19,305 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-28 05:05:19,307 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 05:05:19,321 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 05:05:19,327 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 05:05:19,328 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-28 05:05:19,328 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 05:05:19,328 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 19 [2020-10-28 05:05:19,328 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 05:05:19,329 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 05:05:19,329 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 05:05:19,329 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 05:05:19,329 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 05:05:19,346 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-28 05:05:19,348 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 05:05:19,361 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 05:05:19,367 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 05:05:19,367 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-28 05:05:19,368 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 05:05:19,368 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 18 [2020-10-28 05:05:19,368 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 05:05:19,368 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 05:05:19,369 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 05:05:19,369 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 05:05:19,369 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 05:05:19,387 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-10-28 05:05:19,388 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 05:05:19,402 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 05:05:19,407 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 05:05:19,407 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-28 05:05:19,408 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 05:05:19,408 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 18 [2020-10-28 05:05:19,408 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 05:05:19,408 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 05:05:19,409 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 05:05:19,409 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 05:05:19,409 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-28 05:05:19,425 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2020-10-28 05:05:19,428 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 05:05:19,444 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 05:05:19,460 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 05:05:19,460 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 16 [2020-10-28 05:05:19,461 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 05:05:19,461 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 31 [2020-10-28 05:05:19,461 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 05:05:19,461 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 05:05:19,461 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 13 [2020-10-28 05:05:19,462 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 05:05:19,462 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 05:05:19,478 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-28 05:05:19,479 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 05:05:19,491 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 05:05:19,496 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 05:05:19,496 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 05:05:19,496 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 05:05:19,497 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 16 [2020-10-28 05:05:19,497 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 05:05:19,497 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 05:05:19,497 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 05:05:19,497 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 05:05:19,498 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 05:05:19,515 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 48 [2020-10-28 05:05:19,517 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 05:05:19,530 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 05:05:19,537 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 05:05:19,537 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 05:05:19,537 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 05:05:19,538 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 19 [2020-10-28 05:05:19,538 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 05:05:19,538 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 05:05:19,538 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-28 05:05:19,538 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 05:05:19,539 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 05:05:19,556 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2020-10-28 05:05:19,564 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 05:05:19,586 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 05:05:19,619 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 05:05:19,620 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 42 [2020-10-28 05:05:19,620 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 05:05:19,620 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 52 [2020-10-28 05:05:19,620 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 05:05:19,621 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 05:05:19,621 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 39 [2020-10-28 05:05:19,621 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 05:05:19,621 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 05:05:19,647 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2020-10-28 05:05:19,649 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 05:05:19,661 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 05:05:19,666 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 05:05:19,666 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 05:05:19,666 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 05:05:19,667 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 16 [2020-10-28 05:05:19,669 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 05:05:19,669 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 05:05:19,669 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 05:05:19,670 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 05:05:19,670 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-28 05:05:19,687 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2020-10-28 05:05:19,688 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 05:05:19,701 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 05:05:19,706 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 05:05:19,707 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 05:05:19,707 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 05:05:19,707 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 17 [2020-10-28 05:05:19,707 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 05:05:19,707 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 05:05:19,708 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 05:05:19,708 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 05:05:19,708 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 05:05:19,722 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2020-10-28 05:05:19,724 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 05:05:19,737 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 05:05:19,748 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 05:05:19,749 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 05:05:19,749 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 05:05:19,749 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 24 [2020-10-28 05:05:19,749 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 05:05:19,749 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 05:05:19,750 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 05:05:19,750 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 05:05:19,750 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 05:05:19,767 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2020-10-28 05:05:19,768 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 05:05:19,781 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 05:05:19,786 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 05:05:19,786 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 05:05:19,787 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 05:05:19,787 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 17 [2020-10-28 05:05:19,787 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 05:05:19,787 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 05:05:19,787 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 05:05:19,788 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 05:05:19,788 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-28 05:05:19,846 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2020-10-28 05:05:19,846 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [687586385] [2020-10-28 05:05:19,847 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-28 05:05:19,847 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2020-10-28 05:05:19,847 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1028590210] [2020-10-28 05:05:19,849 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-10-28 05:05:19,849 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-28 05:05:19,850 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-10-28 05:05:19,851 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-10-28 05:05:19,851 INFO L87 Difference]: Start difference. First operand 604 states and 830 transitions. Second operand 5 states. [2020-10-28 05:05:23,676 WARN L193 SmtUtils]: Spent 1.21 s on a formula simplification that was a NOOP. DAG size: 402 [2020-10-28 05:05:35,898 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-28 05:05:35,898 INFO L93 Difference]: Finished difference Result 1849 states and 2568 transitions. [2020-10-28 05:05:35,899 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2020-10-28 05:05:35,899 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 95 [2020-10-28 05:05:35,899 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-28 05:05:35,910 INFO L225 Difference]: With dead ends: 1849 [2020-10-28 05:05:35,910 INFO L226 Difference]: Without dead ends: 1259 [2020-10-28 05:05:35,913 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 30 GetRequests, 25 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 2.4s TimeCoverageRelationStatistics Valid=18, Invalid=24, Unknown=0, NotChecked=0, Total=42 [2020-10-28 05:05:35,916 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1259 states. [2020-10-28 05:05:36,248 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1259 to 1116. [2020-10-28 05:05:36,248 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1116 states. [2020-10-28 05:05:36,256 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1116 states to 1116 states and 1530 transitions. [2020-10-28 05:05:36,257 INFO L78 Accepts]: Start accepts. Automaton has 1116 states and 1530 transitions. Word has length 95 [2020-10-28 05:05:36,257 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-28 05:05:36,257 INFO L481 AbstractCegarLoop]: Abstraction has 1116 states and 1530 transitions. [2020-10-28 05:05:36,258 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-10-28 05:05:36,258 INFO L276 IsEmpty]: Start isEmpty. Operand 1116 states and 1530 transitions. [2020-10-28 05:05:36,263 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 141 [2020-10-28 05:05:36,263 INFO L414 BasicCegarLoop]: Found error trace [2020-10-28 05:05:36,264 INFO L422 BasicCegarLoop]: trace histogram [4, 4, 4, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-28 05:05:36,264 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-10-28 05:05:36,264 INFO L429 AbstractCegarLoop]: === Iteration 4 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-28 05:05:36,265 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-28 05:05:36,265 INFO L82 PathProgramCache]: Analyzing trace with hash 1188028232, now seen corresponding path program 1 times [2020-10-28 05:05:36,265 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-28 05:05:36,266 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [720235798] [2020-10-28 05:05:36,266 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-28 05:05:36,430 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 05:05:36,553 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 05:05:38,197 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 05:05:38,198 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 194 [2020-10-28 05:05:38,198 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 05:05:38,198 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1765 [2020-10-28 05:05:38,198 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 05:05:38,199 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 05:05:38,199 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-28 05:05:38,199 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 181 [2020-10-28 05:05:38,199 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 05:05:39,569 WARN L193 SmtUtils]: Spent 1.16 s on a formula simplification that was a NOOP. DAG size: 400 [2020-10-28 05:05:39,572 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-28 05:05:39,643 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 05:05:39,716 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 05:05:40,501 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 05:05:40,502 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 05:05:40,502 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 05:05:40,502 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 857 [2020-10-28 05:05:40,502 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 05:05:40,503 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 05:05:40,504 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 05:05:40,504 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-10-28 05:05:40,504 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-28 05:05:40,627 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-28 05:05:40,631 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 05:05:40,644 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 05:05:40,656 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 05:05:40,656 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-28 05:05:40,657 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 05:05:40,657 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 24 [2020-10-28 05:05:40,657 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 05:05:40,657 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 05:05:40,657 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 05:05:40,657 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-28 05:05:40,658 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 05:05:40,675 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-28 05:05:40,678 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 05:05:40,691 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 05:05:40,704 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 05:05:40,704 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-28 05:05:40,705 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 05:05:40,705 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 24 [2020-10-28 05:05:40,705 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 05:05:40,705 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 05:05:40,705 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 05:05:40,706 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-28 05:05:40,706 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 05:05:40,725 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-10-28 05:05:40,727 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 05:05:40,739 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 05:05:40,747 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 05:05:40,747 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-28 05:05:40,747 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 05:05:40,747 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 19 [2020-10-28 05:05:40,747 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 05:05:40,748 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 05:05:40,748 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 05:05:40,748 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-10-28 05:05:40,748 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 05:05:40,792 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2020-10-28 05:05:40,800 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 05:05:40,816 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 05:05:40,862 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 05:05:40,862 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 37 [2020-10-28 05:05:40,862 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 05:05:40,863 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 60 [2020-10-28 05:05:40,863 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 05:05:40,863 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 05:05:40,863 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 05:05:40,864 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 34 [2020-10-28 05:05:40,864 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 05:05:40,886 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-28 05:05:40,889 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 05:05:40,904 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 05:05:40,922 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 05:05:40,922 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 30 [2020-10-28 05:05:40,922 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 05:05:40,923 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 31 [2020-10-28 05:05:40,923 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 05:05:40,923 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 05:05:40,923 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 05:05:40,923 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 05:05:40,924 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 05:05:40,941 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-28 05:05:40,943 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 05:05:40,955 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 05:05:40,960 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 05:05:40,960 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 05:05:40,961 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 05:05:40,961 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 17 [2020-10-28 05:05:40,961 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 05:05:40,961 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 05:05:40,962 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 05:05:40,962 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 05:05:40,962 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 05:05:41,004 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-28 05:05:41,006 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 05:05:41,022 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 05:05:41,033 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 05:05:41,034 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 16 [2020-10-28 05:05:41,034 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 05:05:41,034 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 26 [2020-10-28 05:05:41,035 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 05:05:41,035 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 05:05:41,035 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 05:05:41,035 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 05:05:41,035 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 05:05:41,052 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-28 05:05:41,053 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 05:05:41,067 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 05:05:41,075 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 05:05:41,076 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-28 05:05:41,076 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 05:05:41,076 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 21 [2020-10-28 05:05:41,077 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 05:05:41,077 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 05:05:41,077 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 05:05:41,077 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 05:05:41,078 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-28 05:05:41,125 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 56 [2020-10-28 05:05:41,130 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 05:05:41,144 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 05:05:41,166 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 05:05:41,166 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 16 [2020-10-28 05:05:41,166 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 05:05:41,166 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 35 [2020-10-28 05:05:41,167 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 05:05:41,167 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 05:05:41,167 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 05:05:41,167 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 13 [2020-10-28 05:05:41,167 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 05:05:41,187 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-28 05:05:41,192 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 05:05:41,209 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 05:05:41,216 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 05:05:41,216 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-28 05:05:41,217 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 05:05:41,217 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 23 [2020-10-28 05:05:41,217 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 05:05:41,217 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 05:05:41,217 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 05:05:41,218 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 05:05:41,218 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 05:05:41,236 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2020-10-28 05:05:41,241 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 05:05:41,258 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 05:05:41,287 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 05:05:41,287 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 16 [2020-10-28 05:05:41,288 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 05:05:41,288 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 45 [2020-10-28 05:05:41,288 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 05:05:41,288 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 05:05:41,288 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 05:05:41,289 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 13 [2020-10-28 05:05:41,289 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 05:05:41,314 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-28 05:05:41,315 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 05:05:41,328 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 05:05:41,334 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 05:05:41,334 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 05:05:41,334 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 05:05:41,334 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 17 [2020-10-28 05:05:41,335 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 05:05:41,335 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 05:05:41,335 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 05:05:41,335 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 05:05:41,335 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 05:05:41,351 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 93 [2020-10-28 05:05:41,354 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 05:05:41,369 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 05:05:41,380 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 05:05:41,380 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 05:05:41,380 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 05:05:41,381 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 24 [2020-10-28 05:05:41,381 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 05:05:41,381 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 05:05:41,381 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 05:05:41,382 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-28 05:05:41,382 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 05:05:41,401 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 99 [2020-10-28 05:05:41,411 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 05:05:41,428 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 05:05:41,476 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 05:05:41,476 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 42 [2020-10-28 05:05:41,476 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 05:05:41,477 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 63 [2020-10-28 05:05:41,477 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 05:05:41,477 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 05:05:41,477 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 05:05:41,477 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 39 [2020-10-28 05:05:41,478 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 05:05:41,501 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2020-10-28 05:05:41,503 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 05:05:41,517 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 05:05:41,523 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 05:05:41,523 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 05:05:41,523 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 05:05:41,523 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 19 [2020-10-28 05:05:41,524 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 05:05:41,524 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 05:05:41,524 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 05:05:41,524 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 05:05:41,524 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 05:05:41,540 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2020-10-28 05:05:41,541 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 05:05:41,554 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 05:05:41,558 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 05:05:41,558 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 05:05:41,559 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 05:05:41,559 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 16 [2020-10-28 05:05:41,559 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 05:05:41,559 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 05:05:41,559 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 05:05:41,560 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 05:05:41,560 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 05:05:41,574 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2020-10-28 05:05:41,578 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 05:05:41,591 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 05:05:41,601 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 05:05:41,601 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 05:05:41,601 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 05:05:41,601 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 22 [2020-10-28 05:05:41,602 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 05:05:41,602 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 05:05:41,602 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 05:05:41,602 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 05:05:41,603 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 05:05:41,620 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2020-10-28 05:05:41,621 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 05:05:41,635 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 05:05:41,639 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 05:05:41,639 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 05:05:41,640 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 05:05:41,640 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 18 [2020-10-28 05:05:41,640 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 05:05:41,640 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 05:05:41,641 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 05:05:41,641 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 05:05:41,641 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 05:05:41,736 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 30 trivial. 0 not checked. [2020-10-28 05:05:41,741 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [720235798] [2020-10-28 05:05:41,742 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-28 05:05:41,742 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2020-10-28 05:05:41,742 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1979581927] [2020-10-28 05:05:41,743 INFO L461 AbstractCegarLoop]: Interpolant automaton has 8 states [2020-10-28 05:05:41,743 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-28 05:05:41,743 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2020-10-28 05:05:41,744 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=35, Unknown=0, NotChecked=0, Total=56 [2020-10-28 05:05:41,744 INFO L87 Difference]: Start difference. First operand 1116 states and 1530 transitions. Second operand 8 states. [2020-10-28 05:05:45,117 WARN L193 SmtUtils]: Spent 1.15 s on a formula simplification that was a NOOP. DAG size: 402 [2020-10-28 05:05:53,820 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-28 05:05:53,820 INFO L93 Difference]: Finished difference Result 1318 states and 1855 transitions. [2020-10-28 05:05:53,821 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2020-10-28 05:05:53,821 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 140 [2020-10-28 05:05:53,822 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-28 05:05:53,823 INFO L225 Difference]: With dead ends: 1318 [2020-10-28 05:05:53,823 INFO L226 Difference]: Without dead ends: 0 [2020-10-28 05:05:53,829 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 48 GetRequests, 37 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 11 ImplicationChecksByTransitivity, 2.5s TimeCoverageRelationStatistics Valid=58, Invalid=98, Unknown=0, NotChecked=0, Total=156 [2020-10-28 05:05:53,829 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2020-10-28 05:05:53,830 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2020-10-28 05:05:53,830 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2020-10-28 05:05:53,830 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2020-10-28 05:05:53,830 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 140 [2020-10-28 05:05:53,831 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-28 05:05:53,831 INFO L481 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-10-28 05:05:53,831 INFO L482 AbstractCegarLoop]: Interpolant automaton has 8 states. [2020-10-28 05:05:53,831 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2020-10-28 05:05:53,831 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-10-28 05:05:53,831 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2020-10-28 05:05:53,833 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2020-10-28 05:05:53,994 WARN L193 SmtUtils]: Spent 153.00 ms on a formula simplification that was a NOOP. DAG size: 403 [2020-10-28 05:05:54,140 WARN L193 SmtUtils]: Spent 139.00 ms on a formula simplification that was a NOOP. DAG size: 402 [2020-10-28 05:05:54,269 WARN L193 SmtUtils]: Spent 124.00 ms on a formula simplification that was a NOOP. DAG size: 402 [2020-10-28 05:05:54,391 WARN L193 SmtUtils]: Spent 120.00 ms on a formula simplification that was a NOOP. DAG size: 403 [2020-10-28 05:05:54,503 WARN L193 SmtUtils]: Spent 108.00 ms on a formula simplification that was a NOOP. DAG size: 402 [2020-10-28 05:05:54,614 WARN L193 SmtUtils]: Spent 107.00 ms on a formula simplification that was a NOOP. DAG size: 402 [2020-10-28 05:05:55,671 WARN L193 SmtUtils]: Spent 109.00 ms on a formula simplification that was a NOOP. DAG size: 402 [2020-10-28 05:06:17,395 WARN L193 SmtUtils]: Spent 1.04 s on a formula simplification. DAG size of input: 276 DAG size of output: 1 [2020-10-28 05:06:18,313 WARN L193 SmtUtils]: Spent 913.00 ms on a formula simplification. DAG size of input: 276 DAG size of output: 21 [2020-10-28 05:06:20,174 WARN L193 SmtUtils]: Spent 1.84 s on a formula simplification. DAG size of input: 283 DAG size of output: 27 [2020-10-28 05:06:21,003 WARN L193 SmtUtils]: Spent 826.00 ms on a formula simplification. DAG size of input: 268 DAG size of output: 3 [2020-10-28 05:06:21,922 WARN L193 SmtUtils]: Spent 915.00 ms on a formula simplification. DAG size of input: 273 DAG size of output: 12 [2020-10-28 05:06:22,950 WARN L193 SmtUtils]: Spent 1.01 s on a formula simplification. DAG size of input: 276 DAG size of output: 1 [2020-10-28 05:06:23,831 WARN L193 SmtUtils]: Spent 877.00 ms on a formula simplification. DAG size of input: 268 DAG size of output: 3 [2020-10-28 05:06:25,753 WARN L193 SmtUtils]: Spent 1.91 s on a formula simplification. DAG size of input: 279 DAG size of output: 15 [2020-10-28 05:06:27,687 WARN L193 SmtUtils]: Spent 1.93 s on a formula simplification. DAG size of input: 279 DAG size of output: 15 [2020-10-28 05:06:29,702 WARN L193 SmtUtils]: Spent 1.97 s on a formula simplification. DAG size of input: 283 DAG size of output: 27 [2020-10-28 05:06:30,707 WARN L193 SmtUtils]: Spent 997.00 ms on a formula simplification. DAG size of input: 288 DAG size of output: 57 [2020-10-28 05:06:32,684 WARN L193 SmtUtils]: Spent 1.97 s on a formula simplification. DAG size of input: 283 DAG size of output: 27 [2020-10-28 05:06:33,692 WARN L193 SmtUtils]: Spent 1000.00 ms on a formula simplification. DAG size of input: 288 DAG size of output: 57 [2020-10-28 05:06:34,729 WARN L193 SmtUtils]: Spent 1.02 s on a formula simplification. DAG size of input: 276 DAG size of output: 1 [2020-10-28 05:06:36,687 WARN L193 SmtUtils]: Spent 1.95 s on a formula simplification. DAG size of input: 281 DAG size of output: 21 [2020-10-28 05:06:37,725 WARN L193 SmtUtils]: Spent 1.03 s on a formula simplification. DAG size of input: 276 DAG size of output: 1 [2020-10-28 05:06:39,647 WARN L193 SmtUtils]: Spent 1.91 s on a formula simplification. DAG size of input: 279 DAG size of output: 15 [2020-10-28 05:06:41,590 WARN L193 SmtUtils]: Spent 1.90 s on a formula simplification. DAG size of input: 278 DAG size of output: 12 [2020-10-28 05:06:43,501 WARN L193 SmtUtils]: Spent 1.91 s on a formula simplification. DAG size of input: 277 DAG size of output: 8 [2020-10-28 05:06:45,382 WARN L193 SmtUtils]: Spent 1.88 s on a formula simplification. DAG size of input: 278 DAG size of output: 12 [2020-10-28 05:06:47,290 WARN L193 SmtUtils]: Spent 1.90 s on a formula simplification. DAG size of input: 278 DAG size of output: 12 [2020-10-28 05:06:48,306 WARN L193 SmtUtils]: Spent 1.01 s on a formula simplification. DAG size of input: 276 DAG size of output: 1 [2020-10-28 05:06:49,349 WARN L193 SmtUtils]: Spent 1.03 s on a formula simplification. DAG size of input: 276 DAG size of output: 1 [2020-10-28 05:06:50,395 WARN L193 SmtUtils]: Spent 1.03 s on a formula simplification. DAG size of input: 276 DAG size of output: 1 [2020-10-28 05:06:52,332 WARN L193 SmtUtils]: Spent 1.93 s on a formula simplification. DAG size of input: 278 DAG size of output: 12 [2020-10-28 05:06:53,355 WARN L193 SmtUtils]: Spent 1.02 s on a formula simplification. DAG size of input: 276 DAG size of output: 1 [2020-10-28 05:06:54,368 WARN L193 SmtUtils]: Spent 1.01 s on a formula simplification. DAG size of input: 276 DAG size of output: 1 [2020-10-28 05:06:56,321 WARN L193 SmtUtils]: Spent 1.95 s on a formula simplification. DAG size of input: 281 DAG size of output: 21 [2020-10-28 05:06:57,325 WARN L193 SmtUtils]: Spent 1000.00 ms on a formula simplification. DAG size of input: 276 DAG size of output: 1 [2020-10-28 05:06:59,256 WARN L193 SmtUtils]: Spent 1.92 s on a formula simplification. DAG size of input: 281 DAG size of output: 21 [2020-10-28 05:07:00,271 WARN L193 SmtUtils]: Spent 1.01 s on a formula simplification. DAG size of input: 276 DAG size of output: 1 [2020-10-28 05:07:01,279 WARN L193 SmtUtils]: Spent 999.00 ms on a formula simplification. DAG size of input: 276 DAG size of output: 1 [2020-10-28 05:07:02,278 WARN L193 SmtUtils]: Spent 994.00 ms on a formula simplification. DAG size of input: 276 DAG size of output: 1 [2020-10-28 05:07:03,319 WARN L193 SmtUtils]: Spent 1.00 s on a formula simplification. DAG size of input: 276 DAG size of output: 1 [2020-10-28 05:07:04,319 WARN L193 SmtUtils]: Spent 986.00 ms on a formula simplification. DAG size of input: 276 DAG size of output: 1 [2020-10-28 05:07:05,323 WARN L193 SmtUtils]: Spent 982.00 ms on a formula simplification. DAG size of input: 276 DAG size of output: 1 [2020-10-28 05:07:06,322 WARN L193 SmtUtils]: Spent 993.00 ms on a formula simplification. DAG size of input: 276 DAG size of output: 1 [2020-10-28 05:07:07,324 WARN L193 SmtUtils]: Spent 994.00 ms on a formula simplification. DAG size of input: 276 DAG size of output: 1 [2020-10-28 05:07:08,326 WARN L193 SmtUtils]: Spent 992.00 ms on a formula simplification. DAG size of input: 276 DAG size of output: 1 [2020-10-28 05:07:10,241 WARN L193 SmtUtils]: Spent 1.89 s on a formula simplification. DAG size of input: 278 DAG size of output: 12 [2020-10-28 05:07:12,127 WARN L193 SmtUtils]: Spent 1.88 s on a formula simplification. DAG size of input: 279 DAG size of output: 15 [2020-10-28 05:07:13,126 WARN L193 SmtUtils]: Spent 995.00 ms on a formula simplification. DAG size of input: 276 DAG size of output: 1 [2020-10-28 05:07:14,002 WARN L193 SmtUtils]: Spent 860.00 ms on a formula simplification. DAG size of input: 268 DAG size of output: 3 [2020-10-28 05:07:15,879 WARN L193 SmtUtils]: Spent 1.87 s on a formula simplification. DAG size of input: 277 DAG size of output: 8 [2020-10-28 05:07:17,769 WARN L193 SmtUtils]: Spent 1.89 s on a formula simplification. DAG size of input: 279 DAG size of output: 15 [2020-10-28 05:07:18,690 WARN L193 SmtUtils]: Spent 915.00 ms on a formula simplification. DAG size of input: 276 DAG size of output: 21 [2020-10-28 05:07:20,612 WARN L193 SmtUtils]: Spent 1.89 s on a formula simplification. DAG size of input: 278 DAG size of output: 12 [2020-10-28 05:07:22,507 WARN L193 SmtUtils]: Spent 1.88 s on a formula simplification. DAG size of input: 277 DAG size of output: 8 [2020-10-28 05:07:24,414 WARN L193 SmtUtils]: Spent 1.90 s on a formula simplification. DAG size of input: 281 DAG size of output: 21 [2020-10-28 05:07:25,418 WARN L193 SmtUtils]: Spent 991.00 ms on a formula simplification. DAG size of input: 276 DAG size of output: 1 [2020-10-28 05:07:27,309 WARN L193 SmtUtils]: Spent 1.89 s on a formula simplification. DAG size of input: 278 DAG size of output: 12 [2020-10-28 05:07:28,312 WARN L193 SmtUtils]: Spent 989.00 ms on a formula simplification. DAG size of input: 276 DAG size of output: 1 [2020-10-28 05:07:29,234 WARN L193 SmtUtils]: Spent 908.00 ms on a formula simplification. DAG size of input: 276 DAG size of output: 21 [2020-10-28 05:07:31,158 WARN L193 SmtUtils]: Spent 1.91 s on a formula simplification. DAG size of input: 281 DAG size of output: 21 [2020-10-28 05:07:33,130 WARN L193 SmtUtils]: Spent 1.97 s on a formula simplification. DAG size of input: 281 DAG size of output: 21 [2020-10-28 05:07:34,132 WARN L193 SmtUtils]: Spent 986.00 ms on a formula simplification. DAG size of input: 276 DAG size of output: 1 [2020-10-28 05:07:36,035 WARN L193 SmtUtils]: Spent 1.88 s on a formula simplification. DAG size of input: 278 DAG size of output: 12 [2020-10-28 05:07:37,066 WARN L193 SmtUtils]: Spent 1.02 s on a formula simplification. DAG size of input: 276 DAG size of output: 1 [2020-10-28 05:07:38,085 WARN L193 SmtUtils]: Spent 1.01 s on a formula simplification. DAG size of input: 276 DAG size of output: 1 [2020-10-28 05:07:40,023 WARN L193 SmtUtils]: Spent 1.93 s on a formula simplification. DAG size of input: 281 DAG size of output: 21 [2020-10-28 05:07:41,046 WARN L193 SmtUtils]: Spent 1.01 s on a formula simplification. DAG size of input: 276 DAG size of output: 1 [2020-10-28 05:07:42,991 WARN L193 SmtUtils]: Spent 1.90 s on a formula simplification. DAG size of input: 281 DAG size of output: 21