/usr/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata ./data -tc ../../../trunk/examples/toolchains/AutomizerC.xml --traceabstraction.trace.refinement.strategy FIXED_PREFERENCES --traceabstraction.compute.interpolants.along.a.counterexample Craig_NestedInterpolation --traceabstraction.smt.solver Internal_SMTInterpol --traceabstraction.compute.trace.for.counterexample.result false --rcfgbuilder.size.of.a.code.block SingleStatement --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=WIDEST --traceabstraction.additional.smt.options log-additional-information=true -s ../../../trunk/examples/settings/default/automizer/svcomp-Reach-64bit-Automizer_Default.epf -i ../../../trunk/examples/svcomp/ldv-linux-3.12-rc1/linux-3.12-rc1.tar.xz-144_2a-drivers--net--wireless--ti--wlcore--wlcore_spi.ko-entry_point.cil.out.i -------------------------------------------------------------------------------- This is Ultimate 0.1.25-c90d42b [2020-09-25 03:56:12,932 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-09-25 03:56:12,936 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-09-25 03:56:12,962 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-09-25 03:56:12,962 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-09-25 03:56:12,963 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-09-25 03:56:12,965 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-09-25 03:56:12,967 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-09-25 03:56:12,968 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-09-25 03:56:12,969 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-09-25 03:56:12,970 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-09-25 03:56:12,972 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-09-25 03:56:12,972 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-09-25 03:56:12,973 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-09-25 03:56:12,974 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-09-25 03:56:12,976 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-09-25 03:56:12,977 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-09-25 03:56:12,981 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-09-25 03:56:12,983 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-09-25 03:56:12,984 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-09-25 03:56:12,989 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-09-25 03:56:12,990 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-09-25 03:56:12,992 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-09-25 03:56:12,993 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-09-25 03:56:12,999 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-09-25 03:56:12,999 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-09-25 03:56:12,999 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-09-25 03:56:13,000 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-09-25 03:56:13,002 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-09-25 03:56:13,003 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-09-25 03:56:13,003 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-09-25 03:56:13,004 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-09-25 03:56:13,005 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-09-25 03:56:13,006 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-09-25 03:56:13,007 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-09-25 03:56:13,007 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-09-25 03:56:13,008 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-09-25 03:56:13,008 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-09-25 03:56:13,009 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-09-25 03:56:13,010 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-09-25 03:56:13,011 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-09-25 03:56:13,012 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 [2020-09-25 03:56:13,070 INFO L113 SettingsManager]: Loading preferences was successful [2020-09-25 03:56:13,074 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-09-25 03:56:13,075 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-09-25 03:56:13,075 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-09-25 03:56:13,075 INFO L138 SettingsManager]: * Use SBE=true [2020-09-25 03:56:13,076 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-09-25 03:56:13,076 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-09-25 03:56:13,076 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-09-25 03:56:13,076 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-09-25 03:56:13,076 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-09-25 03:56:13,078 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-09-25 03:56:13,078 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-09-25 03:56:13,078 INFO L138 SettingsManager]: * Use constant arrays=true [2020-09-25 03:56:13,078 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-09-25 03:56:13,079 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-09-25 03:56:13,080 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-09-25 03:56:13,080 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-09-25 03:56:13,080 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-09-25 03:56:13,080 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-09-25 03:56:13,081 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-09-25 03:56:13,081 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-09-25 03:56:13,081 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-09-25 03:56:13,081 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-09-25 03:56:13,081 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-09-25 03:56:13,082 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-09-25 03:56:13,082 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-09-25 03:56:13,082 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2020-09-25 03:56:13,082 INFO L138 SettingsManager]: * To the following directory=dump/ Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Trace refinement strategy -> FIXED_PREFERENCES Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute Interpolants along a Counterexample -> Craig_NestedInterpolation Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: SMT solver -> Internal_SMTInterpol Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute trace for counterexample result -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder: Size of a code block -> SingleStatement 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=WIDEST;log-additional-information=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=WIDEST;log-additional-information=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=WIDEST;log-additional-information=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=WIDEST;log-additional-information=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=WIDEST;log-additional-information=true; [2020-09-25 03:56:13,532 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-09-25 03:56:13,547 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-09-25 03:56:13,554 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-09-25 03:56:13,556 INFO L271 PluginConnector]: Initializing CDTParser... [2020-09-25 03:56:13,557 INFO L275 PluginConnector]: CDTParser initialized [2020-09-25 03:56:13,558 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/ldv-linux-3.12-rc1/linux-3.12-rc1.tar.xz-144_2a-drivers--net--wireless--ti--wlcore--wlcore_spi.ko-entry_point.cil.out.i [2020-09-25 03:56:13,633 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/f96dfe662/f94725267baa4140b9613e0b04070923/FLAGca69978bb [2020-09-25 03:56:14,483 INFO L306 CDTParser]: Found 1 translation units. [2020-09-25 03:56:14,484 INFO L160 CDTParser]: Scanning /storage/repos/ultimate-2/trunk/examples/svcomp/ldv-linux-3.12-rc1/linux-3.12-rc1.tar.xz-144_2a-drivers--net--wireless--ti--wlcore--wlcore_spi.ko-entry_point.cil.out.i [2020-09-25 03:56:14,528 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/f96dfe662/f94725267baa4140b9613e0b04070923/FLAGca69978bb [2020-09-25 03:56:15,037 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/f96dfe662/f94725267baa4140b9613e0b04070923 [2020-09-25 03:56:15,050 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-09-25 03:56:15,055 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-09-25 03:56:15,056 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-09-25 03:56:15,056 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-09-25 03:56:15,060 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-09-25 03:56:15,061 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.09 03:56:15" (1/1) ... [2020-09-25 03:56:15,066 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5cf49487 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 03:56:15, skipping insertion in model container [2020-09-25 03:56:15,066 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.09 03:56:15" (1/1) ... [2020-09-25 03:56:15,075 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-09-25 03:56:15,205 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-09-25 03:56:16,676 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-09-25 03:56:16,698 INFO L203 MainTranslator]: Completed pre-run [2020-09-25 03:56:17,142 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-09-25 03:56:17,247 INFO L208 MainTranslator]: Completed translation [2020-09-25 03:56:17,248 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 03:56:17 WrapperNode [2020-09-25 03:56:17,248 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-09-25 03:56:17,249 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-09-25 03:56:17,249 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-09-25 03:56:17,250 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-09-25 03:56:17,269 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 03:56:17" (1/1) ... [2020-09-25 03:56:17,269 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 03:56:17" (1/1) ... [2020-09-25 03:56:17,340 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 03:56:17" (1/1) ... [2020-09-25 03:56:17,341 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 03:56:17" (1/1) ... [2020-09-25 03:56:17,435 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 03:56:17" (1/1) ... [2020-09-25 03:56:17,459 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 03:56:17" (1/1) ... [2020-09-25 03:56:17,480 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 03:56:17" (1/1) ... [2020-09-25 03:56:17,494 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-09-25 03:56:17,495 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-09-25 03:56:17,495 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-09-25 03:56:17,495 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-09-25 03:56:17,496 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 03:56:17" (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 [2020-09-25 03:56:17,590 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-09-25 03:56:17,590 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-09-25 03:56:17,591 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~VOID [2020-09-25 03:56:17,591 INFO L138 BoogieDeclarations]: Found implementation of procedure INIT_LIST_HEAD [2020-09-25 03:56:17,591 INFO L138 BoogieDeclarations]: Found implementation of procedure list_add_tail [2020-09-25 03:56:17,592 INFO L138 BoogieDeclarations]: Found implementation of procedure __kmalloc [2020-09-25 03:56:17,593 INFO L138 BoogieDeclarations]: Found implementation of procedure kmalloc [2020-09-25 03:56:17,594 INFO L138 BoogieDeclarations]: Found implementation of procedure kzalloc [2020-09-25 03:56:17,594 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2020-09-25 03:56:17,595 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2020-09-25 03:56:17,596 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_zalloc [2020-09-25 03:56:17,596 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undef_int [2020-09-25 03:56:17,596 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undef_ulong [2020-09-25 03:56:17,597 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_error [2020-09-25 03:56:17,597 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2020-09-25 03:56:17,597 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2020-09-25 03:56:17,597 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_trap [2020-09-25 03:56:17,600 INFO L138 BoogieDeclarations]: Found implementation of procedure to_spi_device [2020-09-25 03:56:17,600 INFO L138 BoogieDeclarations]: Found implementation of procedure spi_set_drvdata [2020-09-25 03:56:17,601 INFO L138 BoogieDeclarations]: Found implementation of procedure spi_get_drvdata [2020-09-25 03:56:17,601 INFO L138 BoogieDeclarations]: Found implementation of procedure spi_unregister_driver [2020-09-25 03:56:17,601 INFO L138 BoogieDeclarations]: Found implementation of procedure spi_message_init [2020-09-25 03:56:17,602 INFO L138 BoogieDeclarations]: Found implementation of procedure spi_message_add_tail [2020-09-25 03:56:17,602 INFO L138 BoogieDeclarations]: Found implementation of procedure wl12xx_spi_reset [2020-09-25 03:56:17,602 INFO L138 BoogieDeclarations]: Found implementation of procedure wl12xx_spi_init [2020-09-25 03:56:17,603 INFO L138 BoogieDeclarations]: Found implementation of procedure wl12xx_spi_read_busy [2020-09-25 03:56:17,603 INFO L138 BoogieDeclarations]: Found implementation of procedure wl12xx_spi_raw_read [2020-09-25 03:56:17,603 INFO L138 BoogieDeclarations]: Found implementation of procedure wl12xx_spi_raw_write [2020-09-25 03:56:17,604 INFO L138 BoogieDeclarations]: Found implementation of procedure wl1271_probe [2020-09-25 03:56:17,604 INFO L138 BoogieDeclarations]: Found implementation of procedure wl1271_remove [2020-09-25 03:56:17,604 INFO L138 BoogieDeclarations]: Found implementation of procedure wl1271_spi_driver_init [2020-09-25 03:56:17,604 INFO L138 BoogieDeclarations]: Found implementation of procedure wl1271_spi_driver_exit [2020-09-25 03:56:17,604 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_initialize_wl1271_if_operations_2 [2020-09-25 03:56:17,605 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_initialize_spi_driver_1 [2020-09-25 03:56:17,605 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-09-25 03:56:17,605 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop___0 [2020-09-25 03:56:17,605 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_get_intfdata [2020-09-25 03:56:17,605 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_set_intfdata [2020-09-25 03:56:17,605 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_put_intf [2020-09-25 03:56:17,606 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_free_urb [2020-09-25 03:56:17,606 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_fill_int_urb [2020-09-25 03:56:17,606 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_fill_bulk_urb [2020-09-25 03:56:17,607 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_submit_urb [2020-09-25 03:56:17,607 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_get_dev [2020-09-25 03:56:17,608 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_put_dev [2020-09-25 03:56:17,608 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_get_interface [2020-09-25 03:56:17,608 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_put_interface [2020-09-25 03:56:17,608 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_serial_register [2020-09-25 03:56:17,608 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_serial_deregister [2020-09-25 03:56:17,609 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_final_state [2020-09-25 03:56:17,609 INFO L138 BoogieDeclarations]: Found implementation of procedure __list_add [2020-09-25 03:56:17,609 INFO L138 BoogieDeclarations]: Found implementation of procedure crc7 [2020-09-25 03:56:17,609 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_err [2020-09-25 03:56:17,610 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_get_drvdata [2020-09-25 03:56:17,610 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_set_drvdata [2020-09-25 03:56:17,610 INFO L138 BoogieDeclarations]: Found implementation of procedure driver_unregister [2020-09-25 03:56:17,611 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_initialize [2020-09-25 03:56:17,611 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_release_2 [2020-09-25 03:56:17,611 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_setup_2 [2020-09-25 03:56:17,612 INFO L138 BoogieDeclarations]: Found implementation of procedure platform_device_add [2020-09-25 03:56:17,612 INFO L138 BoogieDeclarations]: Found implementation of procedure platform_device_add_data [2020-09-25 03:56:17,612 INFO L138 BoogieDeclarations]: Found implementation of procedure platform_device_add_resources [2020-09-25 03:56:17,612 INFO L138 BoogieDeclarations]: Found implementation of procedure platform_device_alloc [2020-09-25 03:56:17,613 INFO L138 BoogieDeclarations]: Found implementation of procedure platform_device_put [2020-09-25 03:56:17,613 INFO L138 BoogieDeclarations]: Found implementation of procedure platform_device_unregister [2020-09-25 03:56:17,613 INFO L138 BoogieDeclarations]: Found implementation of procedure spi_register_driver [2020-09-25 03:56:17,613 INFO L138 BoogieDeclarations]: Found implementation of procedure spi_setup [2020-09-25 03:56:17,614 INFO L138 BoogieDeclarations]: Found implementation of procedure spi_sync [2020-09-25 03:56:17,614 INFO L138 BoogieDeclarations]: Found implementation of procedure warn_slowpath_null [2020-09-25 03:56:17,614 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree [2020-09-25 03:56:17,615 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2020-09-25 03:56:17,615 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.meminit [2020-09-25 03:56:17,616 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2020-09-25 03:56:17,617 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2020-09-25 03:56:17,618 INFO L130 BoogieDeclarations]: Found specification of procedure memset [2020-09-25 03:56:17,618 INFO L130 BoogieDeclarations]: Found specification of procedure warn_slowpath_null [2020-09-25 03:56:17,618 INFO L130 BoogieDeclarations]: Found specification of procedure INIT_LIST_HEAD [2020-09-25 03:56:17,619 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2020-09-25 03:56:17,619 INFO L130 BoogieDeclarations]: Found specification of procedure __list_add [2020-09-25 03:56:17,619 INFO L130 BoogieDeclarations]: Found specification of procedure list_add_tail [2020-09-25 03:56:17,619 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2020-09-25 03:56:17,620 INFO L130 BoogieDeclarations]: Found specification of procedure driver_unregister [2020-09-25 03:56:17,620 INFO L130 BoogieDeclarations]: Found specification of procedure dev_get_drvdata [2020-09-25 03:56:17,620 INFO L130 BoogieDeclarations]: Found specification of procedure dev_set_drvdata [2020-09-25 03:56:17,620 INFO L130 BoogieDeclarations]: Found specification of procedure dev_err [2020-09-25 03:56:17,621 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2020-09-25 03:56:17,621 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2020-09-25 03:56:17,621 INFO L130 BoogieDeclarations]: Found specification of procedure __kmalloc [2020-09-25 03:56:17,621 INFO L130 BoogieDeclarations]: Found specification of procedure kmalloc [2020-09-25 03:56:17,622 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_zalloc [2020-09-25 03:56:17,622 INFO L130 BoogieDeclarations]: Found specification of procedure kzalloc [2020-09-25 03:56:17,622 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2020-09-25 03:56:17,622 INFO L130 BoogieDeclarations]: Found specification of procedure calloc [2020-09-25 03:56:17,622 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2020-09-25 03:56:17,623 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_size_t [2020-09-25 03:56:17,623 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_ulong [2020-09-25 03:56:17,623 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2020-09-25 03:56:17,623 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2020-09-25 03:56:17,623 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2020-09-25 03:56:17,624 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.meminit [2020-09-25 03:56:17,624 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undef_int [2020-09-25 03:56:17,624 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undef_ulong [2020-09-25 03:56:17,624 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_error [2020-09-25 03:56:17,624 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2020-09-25 03:56:17,624 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_trap [2020-09-25 03:56:17,625 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_initialize_wl1271_if_operations_2 [2020-09-25 03:56:17,625 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_initialize_spi_driver_1 [2020-09-25 03:56:17,625 INFO L130 BoogieDeclarations]: Found specification of procedure crc7 [2020-09-25 03:56:17,625 INFO L130 BoogieDeclarations]: Found specification of procedure to_spi_device [2020-09-25 03:56:17,625 INFO L130 BoogieDeclarations]: Found specification of procedure spi_set_drvdata [2020-09-25 03:56:17,626 INFO L130 BoogieDeclarations]: Found specification of procedure spi_get_drvdata [2020-09-25 03:56:17,626 INFO L130 BoogieDeclarations]: Found specification of procedure spi_register_driver [2020-09-25 03:56:17,626 INFO L130 BoogieDeclarations]: Found specification of procedure spi_unregister_driver [2020-09-25 03:56:17,626 INFO L130 BoogieDeclarations]: Found specification of procedure spi_message_init [2020-09-25 03:56:17,626 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2020-09-25 03:56:17,626 INFO L130 BoogieDeclarations]: Found specification of procedure spi_message_add_tail [2020-09-25 03:56:17,627 INFO L130 BoogieDeclarations]: Found specification of procedure spi_setup [2020-09-25 03:56:17,627 INFO L130 BoogieDeclarations]: Found specification of procedure spi_sync [2020-09-25 03:56:17,628 INFO L130 BoogieDeclarations]: Found specification of procedure platform_device_unregister [2020-09-25 03:56:17,628 INFO L130 BoogieDeclarations]: Found specification of procedure platform_device_alloc [2020-09-25 03:56:17,628 INFO L130 BoogieDeclarations]: Found specification of procedure platform_device_add_resources [2020-09-25 03:56:17,629 INFO L130 BoogieDeclarations]: Found specification of procedure platform_device_add_data [2020-09-25 03:56:17,629 INFO L130 BoogieDeclarations]: Found specification of procedure platform_device_add [2020-09-25 03:56:17,629 INFO L130 BoogieDeclarations]: Found specification of procedure platform_device_put [2020-09-25 03:56:17,630 INFO L130 BoogieDeclarations]: Found specification of procedure wl12xx_spi_reset [2020-09-25 03:56:17,631 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-09-25 03:56:17,631 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-09-25 03:56:17,631 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-09-25 03:56:17,632 INFO L130 BoogieDeclarations]: Found specification of procedure wl12xx_spi_init [2020-09-25 03:56:17,633 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2020-09-25 03:56:17,637 INFO L130 BoogieDeclarations]: Found specification of procedure wl12xx_spi_read_busy [2020-09-25 03:56:17,637 INFO L130 BoogieDeclarations]: Found specification of procedure wl12xx_spi_raw_read [2020-09-25 03:56:17,638 INFO L130 BoogieDeclarations]: Found specification of procedure wl12xx_spi_raw_write [2020-09-25 03:56:17,638 INFO L130 BoogieDeclarations]: Found specification of procedure wl1271_probe [2020-09-25 03:56:17,638 INFO L130 BoogieDeclarations]: Found specification of procedure wl1271_remove [2020-09-25 03:56:17,639 INFO L130 BoogieDeclarations]: Found specification of procedure wl1271_spi_driver_init [2020-09-25 03:56:17,639 INFO L130 BoogieDeclarations]: Found specification of procedure wl1271_spi_driver_exit [2020-09-25 03:56:17,640 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_initialize [2020-09-25 03:56:17,640 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_release_2 [2020-09-25 03:56:17,641 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_final_state [2020-09-25 03:56:17,641 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_setup_2 [2020-09-25 03:56:17,641 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-09-25 03:56:17,641 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop___0 [2020-09-25 03:56:17,641 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_get_intfdata [2020-09-25 03:56:17,642 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_set_intfdata [2020-09-25 03:56:17,695 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_put_intf [2020-09-25 03:56:17,695 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_free_urb [2020-09-25 03:56:17,695 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_fill_int_urb [2020-09-25 03:56:17,695 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_fill_bulk_urb [2020-09-25 03:56:17,696 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_submit_urb [2020-09-25 03:56:17,697 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~VOID [2020-09-25 03:56:17,697 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_get_dev [2020-09-25 03:56:17,697 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_put_dev [2020-09-25 03:56:17,698 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_get_interface [2020-09-25 03:56:17,698 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_put_interface [2020-09-25 03:56:17,698 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_serial_register [2020-09-25 03:56:17,698 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_serial_deregister [2020-09-25 03:56:17,698 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_uchar [2020-09-25 03:56:17,698 INFO L130 BoogieDeclarations]: Found specification of procedure free [2020-09-25 03:56:17,698 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-09-25 03:56:17,698 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-09-25 03:56:17,699 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2020-09-25 03:56:17,699 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-09-25 03:56:18,724 INFO L732 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stopFINAL: assume true; [2020-09-25 03:56:19,632 INFO L732 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stop___0FINAL: assume true; [2020-09-25 03:56:19,984 INFO L290 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-09-25 03:56:19,984 INFO L295 CfgBuilder]: Removed 0 assume(true) statements. [2020-09-25 03:56:20,008 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.09 03:56:20 BoogieIcfgContainer [2020-09-25 03:56:20,008 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-09-25 03:56:20,012 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-09-25 03:56:20,012 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-09-25 03:56:20,016 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-09-25 03:56:20,016 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 25.09 03:56:15" (1/3) ... [2020-09-25 03:56:20,017 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6d38e354 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 25.09 03:56:20, skipping insertion in model container [2020-09-25 03:56:20,017 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 03:56:17" (2/3) ... [2020-09-25 03:56:20,018 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6d38e354 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 25.09 03:56:20, skipping insertion in model container [2020-09-25 03:56:20,018 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.09 03:56:20" (3/3) ... [2020-09-25 03:56:20,020 INFO L109 eAbstractionObserver]: Analyzing ICFG linux-3.12-rc1.tar.xz-144_2a-drivers--net--wireless--ti--wlcore--wlcore_spi.ko-entry_point.cil.out.i [2020-09-25 03:56:20,032 INFO L157 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:Craig_NestedInterpolation Determinization: PREDICATE_ABSTRACTION [2020-09-25 03:56:20,045 INFO L169 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-09-25 03:56:20,064 INFO L251 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-09-25 03:56:20,099 INFO L375 AbstractCegarLoop]: Interprodecural is true [2020-09-25 03:56:20,099 INFO L376 AbstractCegarLoop]: Hoare is true [2020-09-25 03:56:20,099 INFO L377 AbstractCegarLoop]: Compute interpolants for Craig_NestedInterpolation [2020-09-25 03:56:20,099 INFO L378 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-09-25 03:56:20,100 INFO L379 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-09-25 03:56:20,100 INFO L380 AbstractCegarLoop]: Difference is false [2020-09-25 03:56:20,100 INFO L381 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-09-25 03:56:20,100 INFO L385 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-09-25 03:56:20,141 INFO L276 IsEmpty]: Start isEmpty. Operand 1099 states. [2020-09-25 03:56:20,160 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 191 [2020-09-25 03:56:20,160 INFO L414 BasicCegarLoop]: Found error trace [2020-09-25 03:56:20,161 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-09-25 03:56:20,162 INFO L427 AbstractCegarLoop]: === Iteration 1 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-25 03:56:20,169 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-25 03:56:20,170 INFO L82 PathProgramCache]: Analyzing trace with hash -126969232, now seen corresponding path program 1 times [2020-09-25 03:56:20,181 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-25 03:56:20,181 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1059847461] [2020-09-25 03:56:20,181 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-25 03:56:20,704 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 03:56:20,891 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 03:56:21,245 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 03:56:21,833 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 03:56:23,896 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 03:56:25,712 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 03:56:25,712 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 215 [2020-09-25 03:56:25,712 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 4 [2020-09-25 03:56:25,713 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4999 [2020-09-25 03:56:25,716 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDEST [2020-09-25 03:56:25,716 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 03:56:25,716 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 75 [2020-09-25 03:56:25,717 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 136 [2020-09-25 03:56:25,717 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 3 [2020-09-25 03:56:26,568 WARN L193 SmtUtils]: Spent 295.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-09-25 03:56:26,570 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-25 03:56:26,664 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 03:56:26,727 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 03:56:27,038 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 03:56:27,039 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 84 [2020-09-25 03:56:27,039 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 03:56:27,039 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 373 [2020-09-25 03:56:27,039 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDEST [2020-09-25 03:56:27,040 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 03:56:27,040 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 03:56:27,040 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 71 [2020-09-25 03:56:27,040 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 03:56:27,216 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2020-09-25 03:56:27,222 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 03:56:27,238 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 03:56:27,319 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 03:56:27,320 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 17 [2020-09-25 03:56:27,320 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 03:56:27,320 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 96 [2020-09-25 03:56:27,321 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDEST [2020-09-25 03:56:27,321 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 03:56:27,321 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 03:56:27,321 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 13 [2020-09-25 03:56:27,322 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 03:56:27,358 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 121 [2020-09-25 03:56:27,363 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 03:56:27,379 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 03:56:27,458 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 03:56:27,458 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 17 [2020-09-25 03:56:27,459 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 03:56:27,459 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 94 [2020-09-25 03:56:27,459 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDEST [2020-09-25 03:56:27,459 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 03:56:27,460 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 03:56:27,460 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 13 [2020-09-25 03:56:27,460 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 03:56:27,492 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 144 [2020-09-25 03:56:27,496 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 03:56:27,508 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 03:56:27,549 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 03:56:27,549 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 03:56:27,550 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 03:56:27,551 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 52 [2020-09-25 03:56:27,555 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDEST [2020-09-25 03:56:27,555 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 03:56:27,555 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 03:56:27,556 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-25 03:56:27,556 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 03:56:27,591 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 147 [2020-09-25 03:56:27,599 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 03:56:27,613 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 03:56:27,653 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 03:56:27,815 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 03:56:27,816 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-09-25 03:56:27,816 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-09-25 03:56:27,816 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 215 [2020-09-25 03:56:27,816 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDEST [2020-09-25 03:56:27,816 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 03:56:27,817 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 03:56:27,820 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-09-25 03:56:27,820 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 3 [2020-09-25 03:56:27,844 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 153 [2020-09-25 03:56:27,850 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 03:56:27,863 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 03:56:27,911 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 03:56:28,077 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 03:56:28,077 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-09-25 03:56:28,078 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-09-25 03:56:28,078 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 226 [2020-09-25 03:56:28,078 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDEST [2020-09-25 03:56:28,078 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 03:56:28,078 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 03:56:28,079 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-09-25 03:56:28,079 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 03:56:28,108 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 177 [2020-09-25 03:56:28,118 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 03:56:28,134 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 03:56:28,189 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 03:56:28,189 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 15 [2020-09-25 03:56:28,189 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 03:56:28,189 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 69 [2020-09-25 03:56:28,190 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDEST [2020-09-25 03:56:28,190 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 03:56:28,190 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 03:56:28,190 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 11 [2020-09-25 03:56:28,191 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 03:56:28,208 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-25 03:56:28,209 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 03:56:28,220 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 03:56:28,252 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 03:56:28,252 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-09-25 03:56:28,253 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 03:56:28,253 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 43 [2020-09-25 03:56:28,253 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDEST [2020-09-25 03:56:28,253 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 03:56:28,253 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 03:56:28,254 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 03:56:28,254 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 03:56:28,416 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2020-09-25 03:56:28,417 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1059847461] [2020-09-25 03:56:28,419 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-25 03:56:28,420 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2020-09-25 03:56:28,421 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [789012350] [2020-09-25 03:56:28,427 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-09-25 03:56:28,427 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-25 03:56:28,444 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-09-25 03:56:28,445 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2020-09-25 03:56:28,448 INFO L87 Difference]: Start difference. First operand 1099 states. Second operand 7 states. [2020-09-25 03:56:28,809 WARN L193 SmtUtils]: Spent 326.00 ms on a formula simplification that was a NOOP. DAG size: 196 [2020-09-25 03:56:29,706 WARN L193 SmtUtils]: Spent 313.00 ms on a formula simplification that was a NOOP. DAG size: 200 [2020-09-25 03:56:30,095 WARN L193 SmtUtils]: Spent 284.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-25 03:56:36,568 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-25 03:56:36,569 INFO L93 Difference]: Finished difference Result 2313 states and 2731 transitions. [2020-09-25 03:56:36,569 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2020-09-25 03:56:36,571 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 190 [2020-09-25 03:56:36,573 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-25 03:56:36,603 INFO L225 Difference]: With dead ends: 2313 [2020-09-25 03:56:36,603 INFO L226 Difference]: Without dead ends: 1310 [2020-09-25 03:56:36,614 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 27 GetRequests, 16 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 15 ImplicationChecksByTransitivity, 1.4s TimeCoverageRelationStatistics Valid=52, Invalid=104, Unknown=0, NotChecked=0, Total=156 [2020-09-25 03:56:36,635 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1310 states. [2020-09-25 03:56:36,796 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1310 to 1058. [2020-09-25 03:56:36,798 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1058 states. [2020-09-25 03:56:36,806 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1058 states to 1058 states and 1178 transitions. [2020-09-25 03:56:36,809 INFO L78 Accepts]: Start accepts. Automaton has 1058 states and 1178 transitions. Word has length 190 [2020-09-25 03:56:36,811 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-25 03:56:36,811 INFO L479 AbstractCegarLoop]: Abstraction has 1058 states and 1178 transitions. [2020-09-25 03:56:36,811 INFO L480 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-09-25 03:56:36,811 INFO L276 IsEmpty]: Start isEmpty. Operand 1058 states and 1178 transitions. [2020-09-25 03:56:36,817 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 192 [2020-09-25 03:56:36,817 INFO L414 BasicCegarLoop]: Found error trace [2020-09-25 03:56:36,818 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-09-25 03:56:36,818 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-09-25 03:56:36,818 INFO L427 AbstractCegarLoop]: === Iteration 2 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-25 03:56:36,819 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-25 03:56:36,819 INFO L82 PathProgramCache]: Analyzing trace with hash 358410787, now seen corresponding path program 1 times [2020-09-25 03:56:36,819 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-25 03:56:36,820 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1856418982] [2020-09-25 03:56:36,820 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-25 03:56:36,927 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 03:56:37,077 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 03:56:37,250 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 03:56:37,607 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 03:56:39,302 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 03:56:41,941 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 03:56:41,942 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 216 [2020-09-25 03:56:41,942 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 4 [2020-09-25 03:56:41,942 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5011 [2020-09-25 03:56:41,943 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDEST [2020-09-25 03:56:41,943 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 03:56:41,943 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 76 [2020-09-25 03:56:41,943 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 136 [2020-09-25 03:56:41,943 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 03:56:42,683 WARN L193 SmtUtils]: Spent 294.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-09-25 03:56:42,685 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-25 03:56:42,738 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 03:56:42,791 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 03:56:43,038 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 03:56:43,039 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 84 [2020-09-25 03:56:43,039 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 03:56:43,039 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 299 [2020-09-25 03:56:43,040 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDEST [2020-09-25 03:56:43,040 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 03:56:43,040 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 03:56:43,040 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 72 [2020-09-25 03:56:43,040 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 03:56:43,189 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2020-09-25 03:56:43,194 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 03:56:43,212 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 03:56:43,275 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 03:56:43,275 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 17 [2020-09-25 03:56:43,275 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 03:56:43,276 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 79 [2020-09-25 03:56:43,276 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDEST [2020-09-25 03:56:43,276 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 03:56:43,277 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 03:56:43,277 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 13 [2020-09-25 03:56:43,277 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 03:56:43,303 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 121 [2020-09-25 03:56:43,308 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 03:56:43,321 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 03:56:43,376 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 03:56:43,377 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 17 [2020-09-25 03:56:43,377 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 03:56:43,377 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 67 [2020-09-25 03:56:43,377 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDEST [2020-09-25 03:56:43,377 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 03:56:43,378 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 03:56:43,379 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 13 [2020-09-25 03:56:43,379 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 03:56:43,405 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 144 [2020-09-25 03:56:43,409 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 03:56:43,420 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 03:56:43,451 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 03:56:43,451 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 03:56:43,452 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 03:56:43,452 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 41 [2020-09-25 03:56:43,452 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDEST [2020-09-25 03:56:43,452 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 03:56:43,456 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 03:56:43,456 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-25 03:56:43,457 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 4 [2020-09-25 03:56:43,485 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 147 [2020-09-25 03:56:43,490 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 03:56:43,502 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 03:56:43,532 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 03:56:43,668 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 03:56:43,669 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-09-25 03:56:43,669 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-09-25 03:56:43,669 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 177 [2020-09-25 03:56:43,669 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDEST [2020-09-25 03:56:43,670 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 03:56:43,670 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 03:56:43,670 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-09-25 03:56:43,670 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 03:56:43,693 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 153 [2020-09-25 03:56:43,698 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 03:56:43,709 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 03:56:43,732 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 03:56:43,862 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 03:56:43,862 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-09-25 03:56:43,862 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-09-25 03:56:43,863 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 163 [2020-09-25 03:56:43,863 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDEST [2020-09-25 03:56:43,863 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 03:56:43,864 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 03:56:43,864 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-09-25 03:56:43,865 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 03:56:43,887 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 177 [2020-09-25 03:56:43,891 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 03:56:43,902 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 03:56:43,955 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 03:56:43,956 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 15 [2020-09-25 03:56:43,956 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 03:56:43,956 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 63 [2020-09-25 03:56:43,956 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDEST [2020-09-25 03:56:43,956 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 03:56:43,957 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 03:56:43,957 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 11 [2020-09-25 03:56:43,957 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 03:56:43,971 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-25 03:56:43,971 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 03:56:43,981 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 03:56:44,021 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 03:56:44,021 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-09-25 03:56:44,022 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 03:56:44,022 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 49 [2020-09-25 03:56:44,022 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDEST [2020-09-25 03:56:44,022 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 03:56:44,022 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 03:56:44,022 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 03:56:44,022 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 03:56:44,131 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2020-09-25 03:56:44,132 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1856418982] [2020-09-25 03:56:44,132 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-25 03:56:44,132 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2020-09-25 03:56:44,133 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [441592719] [2020-09-25 03:56:44,136 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-09-25 03:56:44,136 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-25 03:56:44,136 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-09-25 03:56:44,137 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2020-09-25 03:56:44,137 INFO L87 Difference]: Start difference. First operand 1058 states and 1178 transitions. Second operand 7 states. [2020-09-25 03:56:44,480 WARN L193 SmtUtils]: Spent 334.00 ms on a formula simplification that was a NOOP. DAG size: 196 [2020-09-25 03:56:45,383 WARN L193 SmtUtils]: Spent 342.00 ms on a formula simplification that was a NOOP. DAG size: 200 [2020-09-25 03:56:45,811 WARN L193 SmtUtils]: Spent 321.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-25 03:56:51,778 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-25 03:56:51,779 INFO L93 Difference]: Finished difference Result 1312 states and 1534 transitions. [2020-09-25 03:56:51,779 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2020-09-25 03:56:51,780 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 191 [2020-09-25 03:56:51,781 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-25 03:56:51,789 INFO L225 Difference]: With dead ends: 1312 [2020-09-25 03:56:51,790 INFO L226 Difference]: Without dead ends: 1309 [2020-09-25 03:56:51,791 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 27 GetRequests, 16 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 15 ImplicationChecksByTransitivity, 1.4s TimeCoverageRelationStatistics Valid=52, Invalid=104, Unknown=0, NotChecked=0, Total=156 [2020-09-25 03:56:51,794 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1309 states. [2020-09-25 03:56:51,865 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1309 to 1057. [2020-09-25 03:56:51,866 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1057 states. [2020-09-25 03:56:51,871 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1057 states to 1057 states and 1176 transitions. [2020-09-25 03:56:51,871 INFO L78 Accepts]: Start accepts. Automaton has 1057 states and 1176 transitions. Word has length 191 [2020-09-25 03:56:51,872 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-25 03:56:51,872 INFO L479 AbstractCegarLoop]: Abstraction has 1057 states and 1176 transitions. [2020-09-25 03:56:51,872 INFO L480 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-09-25 03:56:51,872 INFO L276 IsEmpty]: Start isEmpty. Operand 1057 states and 1176 transitions. [2020-09-25 03:56:51,875 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 193 [2020-09-25 03:56:51,875 INFO L414 BasicCegarLoop]: Found error trace [2020-09-25 03:56:51,876 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-09-25 03:56:51,876 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-09-25 03:56:51,876 INFO L427 AbstractCegarLoop]: === Iteration 3 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-25 03:56:51,876 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-25 03:56:51,877 INFO L82 PathProgramCache]: Analyzing trace with hash -1774672941, now seen corresponding path program 1 times [2020-09-25 03:56:51,877 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-25 03:56:51,877 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1511783595] [2020-09-25 03:56:51,877 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-25 03:56:51,948 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 03:56:52,026 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 03:56:52,162 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 03:56:52,468 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 03:56:53,929 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 03:56:56,784 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 03:56:56,785 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 217 [2020-09-25 03:56:56,790 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 4 [2020-09-25 03:56:56,790 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4833 [2020-09-25 03:56:56,790 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDEST [2020-09-25 03:56:56,791 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 03:56:56,791 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 77 [2020-09-25 03:56:56,791 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 136 [2020-09-25 03:56:56,791 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 03:56:57,468 WARN L193 SmtUtils]: Spent 330.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-09-25 03:56:57,470 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-25 03:56:57,513 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 03:56:57,566 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 03:56:57,819 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 03:56:57,820 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 84 [2020-09-25 03:56:57,820 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 03:56:57,821 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 305 [2020-09-25 03:56:57,821 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDEST [2020-09-25 03:56:57,821 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 03:56:57,822 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 03:56:57,822 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 73 [2020-09-25 03:56:57,822 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 03:56:57,949 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2020-09-25 03:56:57,955 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 03:56:57,969 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 03:56:58,033 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 03:56:58,033 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 17 [2020-09-25 03:56:58,034 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 03:56:58,034 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 77 [2020-09-25 03:56:58,034 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDEST [2020-09-25 03:56:58,035 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 03:56:58,035 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 03:56:58,035 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 13 [2020-09-25 03:56:58,035 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 03:56:58,064 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 121 [2020-09-25 03:56:58,069 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 03:56:58,088 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 03:56:58,155 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 03:56:58,156 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 17 [2020-09-25 03:56:58,156 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 03:56:58,157 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 85 [2020-09-25 03:56:58,157 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDEST [2020-09-25 03:56:58,157 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 03:56:58,158 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 03:56:58,158 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 13 [2020-09-25 03:56:58,158 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 03:56:58,187 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 144 [2020-09-25 03:56:58,190 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 03:56:58,201 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 03:56:58,234 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 03:56:58,234 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 03:56:58,234 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 03:56:58,234 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 43 [2020-09-25 03:56:58,234 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDEST [2020-09-25 03:56:58,235 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 03:56:58,235 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 03:56:58,235 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-25 03:56:58,235 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 03:56:58,264 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 147 [2020-09-25 03:56:58,268 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 03:56:58,281 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 03:56:58,297 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 03:56:58,430 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 03:56:58,430 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-09-25 03:56:58,430 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-09-25 03:56:58,431 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 161 [2020-09-25 03:56:58,431 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDEST [2020-09-25 03:56:58,431 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 03:56:58,431 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 03:56:58,431 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-09-25 03:56:58,432 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 03:56:58,451 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 153 [2020-09-25 03:56:58,455 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 03:56:58,466 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 03:56:58,487 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 03:56:58,609 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 03:56:58,609 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-09-25 03:56:58,609 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-09-25 03:56:58,609 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 152 [2020-09-25 03:56:58,610 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDEST [2020-09-25 03:56:58,610 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 03:56:58,610 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 03:56:58,610 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-09-25 03:56:58,610 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 03:56:58,630 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 177 [2020-09-25 03:56:58,633 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 03:56:58,643 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 03:56:58,692 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 03:56:58,692 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 15 [2020-09-25 03:56:58,693 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 03:56:58,693 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 58 [2020-09-25 03:56:58,693 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDEST [2020-09-25 03:56:58,693 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 03:56:58,693 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 03:56:58,693 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 11 [2020-09-25 03:56:58,694 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 03:56:58,707 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-25 03:56:58,708 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 03:56:58,717 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 03:56:58,740 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 03:56:58,741 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-09-25 03:56:58,741 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 03:56:58,741 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 31 [2020-09-25 03:56:58,741 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDEST [2020-09-25 03:56:58,742 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 03:56:58,742 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 03:56:58,742 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 03:56:58,742 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 03:56:58,804 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2020-09-25 03:56:58,805 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1511783595] [2020-09-25 03:56:58,805 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-25 03:56:58,805 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2020-09-25 03:56:58,806 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1112567523] [2020-09-25 03:56:58,806 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2020-09-25 03:56:58,806 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-25 03:56:58,807 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2020-09-25 03:56:58,807 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2020-09-25 03:56:58,807 INFO L87 Difference]: Start difference. First operand 1057 states and 1176 transitions. Second operand 6 states. [2020-09-25 03:56:59,091 WARN L193 SmtUtils]: Spent 274.00 ms on a formula simplification that was a NOOP. DAG size: 196 [2020-09-25 03:56:59,901 WARN L193 SmtUtils]: Spent 376.00 ms on a formula simplification that was a NOOP. DAG size: 198 [2020-09-25 03:57:00,343 WARN L193 SmtUtils]: Spent 310.00 ms on a formula simplification that was a NOOP. DAG size: 189