/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=WIDESTAMONGSMALL --traceabstraction.additional.smt.options tolerance=0.4 --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 06:12:55,607 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-09-25 06:12:55,611 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-09-25 06:12:55,638 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-09-25 06:12:55,638 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-09-25 06:12:55,640 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-09-25 06:12:55,641 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-09-25 06:12:55,645 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-09-25 06:12:55,650 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-09-25 06:12:55,651 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-09-25 06:12:55,652 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-09-25 06:12:55,654 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-09-25 06:12:55,654 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-09-25 06:12:55,655 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-09-25 06:12:55,657 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-09-25 06:12:55,658 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-09-25 06:12:55,660 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-09-25 06:12:55,662 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-09-25 06:12:55,663 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-09-25 06:12:55,665 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-09-25 06:12:55,667 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-09-25 06:12:55,668 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-09-25 06:12:55,669 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-09-25 06:12:55,670 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-09-25 06:12:55,672 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-09-25 06:12:55,673 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-09-25 06:12:55,673 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-09-25 06:12:55,674 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-09-25 06:12:55,674 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-09-25 06:12:55,675 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-09-25 06:12:55,676 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-09-25 06:12:55,677 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-09-25 06:12:55,677 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-09-25 06:12:55,678 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-09-25 06:12:55,680 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-09-25 06:12:55,680 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-09-25 06:12:55,681 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-09-25 06:12:55,681 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-09-25 06:12:55,681 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-09-25 06:12:55,682 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-09-25 06:12:55,683 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-09-25 06:12:55,684 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 06:12:55,711 INFO L113 SettingsManager]: Loading preferences was successful [2020-09-25 06:12:55,712 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-09-25 06:12:55,713 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-09-25 06:12:55,713 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-09-25 06:12:55,714 INFO L138 SettingsManager]: * Use SBE=true [2020-09-25 06:12:55,714 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-09-25 06:12:55,714 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-09-25 06:12:55,714 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-09-25 06:12:55,714 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-09-25 06:12:55,715 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-09-25 06:12:55,715 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-09-25 06:12:55,715 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-09-25 06:12:55,715 INFO L138 SettingsManager]: * Use constant arrays=true [2020-09-25 06:12:55,716 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-09-25 06:12:55,716 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-09-25 06:12:55,716 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-09-25 06:12:55,716 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-09-25 06:12:55,716 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-09-25 06:12:55,717 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-09-25 06:12:55,717 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-09-25 06:12:55,717 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-09-25 06:12:55,717 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-09-25 06:12:55,718 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-09-25 06:12:55,718 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-09-25 06:12:55,718 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-09-25 06:12:55,718 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-09-25 06:12:55,718 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2020-09-25 06:12:55,719 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=WIDESTAMONGSMALL;tolerance=0.4;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=WIDESTAMONGSMALL;tolerance=0.4;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=WIDESTAMONGSMALL;tolerance=0.4;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=WIDESTAMONGSMALL;tolerance=0.4;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=WIDESTAMONGSMALL;tolerance=0.4;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=WIDESTAMONGSMALL;tolerance=0.4;log-additional-information=true; [2020-09-25 06:12:56,222 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-09-25 06:12:56,241 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-09-25 06:12:56,245 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-09-25 06:12:56,249 INFO L271 PluginConnector]: Initializing CDTParser... [2020-09-25 06:12:56,250 INFO L275 PluginConnector]: CDTParser initialized [2020-09-25 06:12:56,251 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/ldv-linux-3.12-rc1/linux-3.12-rc1.tar.xz-144_2a-drivers--net--wireless--ti--wlcore--wlcore_spi.ko-entry_point.cil.out.i [2020-09-25 06:12:56,347 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/125cd2b84/f793a44c6fdc45068bb104ac9d827abe/FLAG84667cdaa [2020-09-25 06:12:57,213 INFO L306 CDTParser]: Found 1 translation units. [2020-09-25 06:12:57,214 INFO L160 CDTParser]: Scanning /storage/repos/ultimate-2/trunk/examples/svcomp/ldv-linux-3.12-rc1/linux-3.12-rc1.tar.xz-144_2a-drivers--net--wireless--ti--wlcore--wlcore_spi.ko-entry_point.cil.out.i [2020-09-25 06:12:57,262 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/125cd2b84/f793a44c6fdc45068bb104ac9d827abe/FLAG84667cdaa [2020-09-25 06:12:57,748 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/125cd2b84/f793a44c6fdc45068bb104ac9d827abe [2020-09-25 06:12:57,762 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-09-25 06:12:57,768 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-09-25 06:12:57,769 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-09-25 06:12:57,769 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-09-25 06:12:57,773 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-09-25 06:12:57,775 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.09 06:12:57" (1/1) ... [2020-09-25 06:12:57,779 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3b8ae939 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 06:12:57, skipping insertion in model container [2020-09-25 06:12:57,780 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.09 06:12:57" (1/1) ... [2020-09-25 06:12:57,789 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-09-25 06:12:57,916 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-09-25 06:12:59,412 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-09-25 06:12:59,432 INFO L203 MainTranslator]: Completed pre-run [2020-09-25 06:12:59,729 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-09-25 06:12:59,854 INFO L208 MainTranslator]: Completed translation [2020-09-25 06:12:59,856 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 06:12:59 WrapperNode [2020-09-25 06:12:59,856 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-09-25 06:12:59,857 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-09-25 06:12:59,857 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-09-25 06:12:59,858 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-09-25 06:12:59,883 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 06:12:59" (1/1) ... [2020-09-25 06:12:59,883 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 06:12:59" (1/1) ... [2020-09-25 06:12:59,963 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 06:12:59" (1/1) ... [2020-09-25 06:12:59,964 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 06:12:59" (1/1) ... [2020-09-25 06:13:00,034 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 06:12:59" (1/1) ... [2020-09-25 06:13:00,045 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 06:12:59" (1/1) ... [2020-09-25 06:13:00,058 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 06:12:59" (1/1) ... [2020-09-25 06:13:00,075 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-09-25 06:13:00,076 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-09-25 06:13:00,076 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-09-25 06:13:00,076 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-09-25 06:13:00,077 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 06:12:59" (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 06:13:00,175 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-09-25 06:13:00,175 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-09-25 06:13:00,176 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~VOID [2020-09-25 06:13:00,176 INFO L138 BoogieDeclarations]: Found implementation of procedure INIT_LIST_HEAD [2020-09-25 06:13:00,177 INFO L138 BoogieDeclarations]: Found implementation of procedure list_add_tail [2020-09-25 06:13:00,177 INFO L138 BoogieDeclarations]: Found implementation of procedure __kmalloc [2020-09-25 06:13:00,178 INFO L138 BoogieDeclarations]: Found implementation of procedure kmalloc [2020-09-25 06:13:00,178 INFO L138 BoogieDeclarations]: Found implementation of procedure kzalloc [2020-09-25 06:13:00,179 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2020-09-25 06:13:00,180 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2020-09-25 06:13:00,180 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_zalloc [2020-09-25 06:13:00,180 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undef_int [2020-09-25 06:13:00,180 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undef_ulong [2020-09-25 06:13:00,180 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_error [2020-09-25 06:13:00,181 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2020-09-25 06:13:00,181 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2020-09-25 06:13:00,181 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_trap [2020-09-25 06:13:00,183 INFO L138 BoogieDeclarations]: Found implementation of procedure to_spi_device [2020-09-25 06:13:00,183 INFO L138 BoogieDeclarations]: Found implementation of procedure spi_set_drvdata [2020-09-25 06:13:00,183 INFO L138 BoogieDeclarations]: Found implementation of procedure spi_get_drvdata [2020-09-25 06:13:00,184 INFO L138 BoogieDeclarations]: Found implementation of procedure spi_unregister_driver [2020-09-25 06:13:00,184 INFO L138 BoogieDeclarations]: Found implementation of procedure spi_message_init [2020-09-25 06:13:00,184 INFO L138 BoogieDeclarations]: Found implementation of procedure spi_message_add_tail [2020-09-25 06:13:00,184 INFO L138 BoogieDeclarations]: Found implementation of procedure wl12xx_spi_reset [2020-09-25 06:13:00,185 INFO L138 BoogieDeclarations]: Found implementation of procedure wl12xx_spi_init [2020-09-25 06:13:00,185 INFO L138 BoogieDeclarations]: Found implementation of procedure wl12xx_spi_read_busy [2020-09-25 06:13:00,185 INFO L138 BoogieDeclarations]: Found implementation of procedure wl12xx_spi_raw_read [2020-09-25 06:13:00,185 INFO L138 BoogieDeclarations]: Found implementation of procedure wl12xx_spi_raw_write [2020-09-25 06:13:00,185 INFO L138 BoogieDeclarations]: Found implementation of procedure wl1271_probe [2020-09-25 06:13:00,186 INFO L138 BoogieDeclarations]: Found implementation of procedure wl1271_remove [2020-09-25 06:13:00,186 INFO L138 BoogieDeclarations]: Found implementation of procedure wl1271_spi_driver_init [2020-09-25 06:13:00,186 INFO L138 BoogieDeclarations]: Found implementation of procedure wl1271_spi_driver_exit [2020-09-25 06:13:00,186 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_initialize_wl1271_if_operations_2 [2020-09-25 06:13:00,186 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_initialize_spi_driver_1 [2020-09-25 06:13:00,186 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-09-25 06:13:00,187 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop___0 [2020-09-25 06:13:00,187 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_get_intfdata [2020-09-25 06:13:00,187 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_set_intfdata [2020-09-25 06:13:00,187 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_put_intf [2020-09-25 06:13:00,187 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_free_urb [2020-09-25 06:13:00,188 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_fill_int_urb [2020-09-25 06:13:00,188 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_fill_bulk_urb [2020-09-25 06:13:00,188 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_submit_urb [2020-09-25 06:13:00,188 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_get_dev [2020-09-25 06:13:00,188 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_put_dev [2020-09-25 06:13:00,189 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_get_interface [2020-09-25 06:13:00,189 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_put_interface [2020-09-25 06:13:00,189 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_serial_register [2020-09-25 06:13:00,189 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_serial_deregister [2020-09-25 06:13:00,189 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_final_state [2020-09-25 06:13:00,190 INFO L138 BoogieDeclarations]: Found implementation of procedure __list_add [2020-09-25 06:13:00,190 INFO L138 BoogieDeclarations]: Found implementation of procedure crc7 [2020-09-25 06:13:00,190 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_err [2020-09-25 06:13:00,190 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_get_drvdata [2020-09-25 06:13:00,191 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_set_drvdata [2020-09-25 06:13:00,191 INFO L138 BoogieDeclarations]: Found implementation of procedure driver_unregister [2020-09-25 06:13:00,191 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_initialize [2020-09-25 06:13:00,191 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_release_2 [2020-09-25 06:13:00,192 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_setup_2 [2020-09-25 06:13:00,192 INFO L138 BoogieDeclarations]: Found implementation of procedure platform_device_add [2020-09-25 06:13:00,192 INFO L138 BoogieDeclarations]: Found implementation of procedure platform_device_add_data [2020-09-25 06:13:00,192 INFO L138 BoogieDeclarations]: Found implementation of procedure platform_device_add_resources [2020-09-25 06:13:00,192 INFO L138 BoogieDeclarations]: Found implementation of procedure platform_device_alloc [2020-09-25 06:13:00,192 INFO L138 BoogieDeclarations]: Found implementation of procedure platform_device_put [2020-09-25 06:13:00,193 INFO L138 BoogieDeclarations]: Found implementation of procedure platform_device_unregister [2020-09-25 06:13:00,193 INFO L138 BoogieDeclarations]: Found implementation of procedure spi_register_driver [2020-09-25 06:13:00,193 INFO L138 BoogieDeclarations]: Found implementation of procedure spi_setup [2020-09-25 06:13:00,193 INFO L138 BoogieDeclarations]: Found implementation of procedure spi_sync [2020-09-25 06:13:00,193 INFO L138 BoogieDeclarations]: Found implementation of procedure warn_slowpath_null [2020-09-25 06:13:00,194 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree [2020-09-25 06:13:00,194 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2020-09-25 06:13:00,195 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.meminit [2020-09-25 06:13:00,195 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2020-09-25 06:13:00,196 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2020-09-25 06:13:00,196 INFO L130 BoogieDeclarations]: Found specification of procedure memset [2020-09-25 06:13:00,196 INFO L130 BoogieDeclarations]: Found specification of procedure warn_slowpath_null [2020-09-25 06:13:00,197 INFO L130 BoogieDeclarations]: Found specification of procedure INIT_LIST_HEAD [2020-09-25 06:13:00,197 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2020-09-25 06:13:00,197 INFO L130 BoogieDeclarations]: Found specification of procedure __list_add [2020-09-25 06:13:00,197 INFO L130 BoogieDeclarations]: Found specification of procedure list_add_tail [2020-09-25 06:13:00,197 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2020-09-25 06:13:00,198 INFO L130 BoogieDeclarations]: Found specification of procedure driver_unregister [2020-09-25 06:13:00,198 INFO L130 BoogieDeclarations]: Found specification of procedure dev_get_drvdata [2020-09-25 06:13:00,198 INFO L130 BoogieDeclarations]: Found specification of procedure dev_set_drvdata [2020-09-25 06:13:00,199 INFO L130 BoogieDeclarations]: Found specification of procedure dev_err [2020-09-25 06:13:00,199 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2020-09-25 06:13:00,199 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2020-09-25 06:13:00,199 INFO L130 BoogieDeclarations]: Found specification of procedure __kmalloc [2020-09-25 06:13:00,199 INFO L130 BoogieDeclarations]: Found specification of procedure kmalloc [2020-09-25 06:13:00,200 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_zalloc [2020-09-25 06:13:00,200 INFO L130 BoogieDeclarations]: Found specification of procedure kzalloc [2020-09-25 06:13:00,200 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2020-09-25 06:13:00,200 INFO L130 BoogieDeclarations]: Found specification of procedure calloc [2020-09-25 06:13:00,200 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2020-09-25 06:13:00,200 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_size_t [2020-09-25 06:13:00,201 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_ulong [2020-09-25 06:13:00,201 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2020-09-25 06:13:00,201 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2020-09-25 06:13:00,201 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2020-09-25 06:13:00,201 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.meminit [2020-09-25 06:13:00,202 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undef_int [2020-09-25 06:13:00,202 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undef_ulong [2020-09-25 06:13:00,202 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_error [2020-09-25 06:13:00,202 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2020-09-25 06:13:00,202 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_trap [2020-09-25 06:13:00,202 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_initialize_wl1271_if_operations_2 [2020-09-25 06:13:00,203 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_initialize_spi_driver_1 [2020-09-25 06:13:00,203 INFO L130 BoogieDeclarations]: Found specification of procedure crc7 [2020-09-25 06:13:00,203 INFO L130 BoogieDeclarations]: Found specification of procedure to_spi_device [2020-09-25 06:13:00,203 INFO L130 BoogieDeclarations]: Found specification of procedure spi_set_drvdata [2020-09-25 06:13:00,203 INFO L130 BoogieDeclarations]: Found specification of procedure spi_get_drvdata [2020-09-25 06:13:00,204 INFO L130 BoogieDeclarations]: Found specification of procedure spi_register_driver [2020-09-25 06:13:00,204 INFO L130 BoogieDeclarations]: Found specification of procedure spi_unregister_driver [2020-09-25 06:13:00,204 INFO L130 BoogieDeclarations]: Found specification of procedure spi_message_init [2020-09-25 06:13:00,204 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2020-09-25 06:13:00,204 INFO L130 BoogieDeclarations]: Found specification of procedure spi_message_add_tail [2020-09-25 06:13:00,204 INFO L130 BoogieDeclarations]: Found specification of procedure spi_setup [2020-09-25 06:13:00,205 INFO L130 BoogieDeclarations]: Found specification of procedure spi_sync [2020-09-25 06:13:00,205 INFO L130 BoogieDeclarations]: Found specification of procedure platform_device_unregister [2020-09-25 06:13:00,205 INFO L130 BoogieDeclarations]: Found specification of procedure platform_device_alloc [2020-09-25 06:13:00,205 INFO L130 BoogieDeclarations]: Found specification of procedure platform_device_add_resources [2020-09-25 06:13:00,206 INFO L130 BoogieDeclarations]: Found specification of procedure platform_device_add_data [2020-09-25 06:13:00,206 INFO L130 BoogieDeclarations]: Found specification of procedure platform_device_add [2020-09-25 06:13:00,206 INFO L130 BoogieDeclarations]: Found specification of procedure platform_device_put [2020-09-25 06:13:00,207 INFO L130 BoogieDeclarations]: Found specification of procedure wl12xx_spi_reset [2020-09-25 06:13:00,207 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-09-25 06:13:00,207 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-09-25 06:13:00,208 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-09-25 06:13:00,209 INFO L130 BoogieDeclarations]: Found specification of procedure wl12xx_spi_init [2020-09-25 06:13:00,211 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2020-09-25 06:13:00,212 INFO L130 BoogieDeclarations]: Found specification of procedure wl12xx_spi_read_busy [2020-09-25 06:13:00,212 INFO L130 BoogieDeclarations]: Found specification of procedure wl12xx_spi_raw_read [2020-09-25 06:13:00,212 INFO L130 BoogieDeclarations]: Found specification of procedure wl12xx_spi_raw_write [2020-09-25 06:13:00,213 INFO L130 BoogieDeclarations]: Found specification of procedure wl1271_probe [2020-09-25 06:13:00,213 INFO L130 BoogieDeclarations]: Found specification of procedure wl1271_remove [2020-09-25 06:13:00,213 INFO L130 BoogieDeclarations]: Found specification of procedure wl1271_spi_driver_init [2020-09-25 06:13:00,214 INFO L130 BoogieDeclarations]: Found specification of procedure wl1271_spi_driver_exit [2020-09-25 06:13:00,214 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_initialize [2020-09-25 06:13:00,214 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_release_2 [2020-09-25 06:13:00,214 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_final_state [2020-09-25 06:13:00,215 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_setup_2 [2020-09-25 06:13:00,215 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-09-25 06:13:00,215 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop___0 [2020-09-25 06:13:00,215 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_get_intfdata [2020-09-25 06:13:00,216 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_set_intfdata [2020-09-25 06:13:00,222 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_put_intf [2020-09-25 06:13:00,222 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_free_urb [2020-09-25 06:13:00,222 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_fill_int_urb [2020-09-25 06:13:00,222 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_fill_bulk_urb [2020-09-25 06:13:00,223 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_submit_urb [2020-09-25 06:13:00,223 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~VOID [2020-09-25 06:13:00,223 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_get_dev [2020-09-25 06:13:00,223 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_put_dev [2020-09-25 06:13:00,223 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_get_interface [2020-09-25 06:13:00,223 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_put_interface [2020-09-25 06:13:00,223 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_serial_register [2020-09-25 06:13:00,223 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_serial_deregister [2020-09-25 06:13:00,224 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_uchar [2020-09-25 06:13:00,226 INFO L130 BoogieDeclarations]: Found specification of procedure free [2020-09-25 06:13:00,226 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-09-25 06:13:00,226 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-09-25 06:13:00,226 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2020-09-25 06:13:00,226 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-09-25 06:13:01,105 INFO L732 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stopFINAL: assume true; [2020-09-25 06:13:01,839 INFO L732 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stop___0FINAL: assume true; [2020-09-25 06:13:02,106 INFO L290 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-09-25 06:13:02,106 INFO L295 CfgBuilder]: Removed 0 assume(true) statements. [2020-09-25 06:13:02,119 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.09 06:13:02 BoogieIcfgContainer [2020-09-25 06:13:02,119 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-09-25 06:13:02,120 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-09-25 06:13:02,121 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-09-25 06:13:02,124 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-09-25 06:13:02,125 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 25.09 06:12:57" (1/3) ... [2020-09-25 06:13:02,126 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@f91fef6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 25.09 06:13:02, skipping insertion in model container [2020-09-25 06:13:02,126 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 06:12:59" (2/3) ... [2020-09-25 06:13:02,126 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@f91fef6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 25.09 06:13:02, skipping insertion in model container [2020-09-25 06:13:02,127 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.09 06:13:02" (3/3) ... [2020-09-25 06:13:02,129 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 06:13:02,142 INFO L157 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:Craig_NestedInterpolation Determinization: PREDICATE_ABSTRACTION [2020-09-25 06:13:02,154 INFO L169 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-09-25 06:13:02,177 INFO L251 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-09-25 06:13:02,213 INFO L375 AbstractCegarLoop]: Interprodecural is true [2020-09-25 06:13:02,214 INFO L376 AbstractCegarLoop]: Hoare is true [2020-09-25 06:13:02,214 INFO L377 AbstractCegarLoop]: Compute interpolants for Craig_NestedInterpolation [2020-09-25 06:13:02,214 INFO L378 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-09-25 06:13:02,214 INFO L379 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-09-25 06:13:02,214 INFO L380 AbstractCegarLoop]: Difference is false [2020-09-25 06:13:02,214 INFO L381 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-09-25 06:13:02,215 INFO L385 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-09-25 06:13:02,258 INFO L276 IsEmpty]: Start isEmpty. Operand 1099 states. [2020-09-25 06:13:02,278 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 191 [2020-09-25 06:13:02,278 INFO L414 BasicCegarLoop]: Found error trace [2020-09-25 06:13:02,280 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 06:13:02,280 INFO L427 AbstractCegarLoop]: === Iteration 1 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-25 06:13:02,288 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-25 06:13:02,289 INFO L82 PathProgramCache]: Analyzing trace with hash -126969232, now seen corresponding path program 1 times [2020-09-25 06:13:02,300 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-25 06:13:02,300 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1343356776] [2020-09-25 06:13:02,300 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-25 06:13:02,761 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 06:13:02,992 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 06:13:03,410 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 06:13:03,953 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 06:13:06,025 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 06:13:07,790 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 06:13:07,791 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 215 [2020-09-25 06:13:07,791 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 4 [2020-09-25 06:13:07,791 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5021 [2020-09-25 06:13:07,795 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 06:13:07,795 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-09-25 06:13:07,796 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 06:13:07,796 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 75 [2020-09-25 06:13:07,796 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 136 [2020-09-25 06:13:07,796 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 4 [2020-09-25 06:13:08,675 WARN L193 SmtUtils]: Spent 261.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-09-25 06:13:08,678 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-25 06:13:08,731 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 06:13:08,802 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 06:13:09,114 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 06:13:09,115 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 84 [2020-09-25 06:13:09,115 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 06:13:09,115 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 382 [2020-09-25 06:13:09,115 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 06:13:09,116 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-09-25 06:13:09,116 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 06:13:09,116 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 06:13:09,116 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 71 [2020-09-25 06:13:09,117 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 06:13:09,297 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2020-09-25 06:13:09,303 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 06:13:09,320 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 06:13:09,401 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 06:13:09,401 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 17 [2020-09-25 06:13:09,402 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 06:13:09,402 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 97 [2020-09-25 06:13:09,402 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 06:13:09,403 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-09-25 06:13:09,403 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 06:13:09,403 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 06:13:09,403 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 13 [2020-09-25 06:13:09,404 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 06:13:09,436 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 121 [2020-09-25 06:13:09,443 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 06:13:09,459 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 06:13:09,538 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 06:13:09,539 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 17 [2020-09-25 06:13:09,539 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 06:13:09,539 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 94 [2020-09-25 06:13:09,540 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 06:13:09,540 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-09-25 06:13:09,540 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 06:13:09,540 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 06:13:09,540 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 13 [2020-09-25 06:13:09,541 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 06:13:09,577 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 144 [2020-09-25 06:13:09,582 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 06:13:09,600 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 06:13:09,650 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 06:13:09,651 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 06:13:09,651 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 06:13:09,652 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 63 [2020-09-25 06:13:09,652 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 06:13:09,652 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-09-25 06:13:09,652 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 06:13:09,653 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 06:13:09,653 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-25 06:13:09,653 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 06:13:09,691 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 147 [2020-09-25 06:13:09,700 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 06:13:09,714 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 06:13:09,745 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 06:13:09,936 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 06:13:09,937 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-09-25 06:13:09,939 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-09-25 06:13:09,940 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 235 [2020-09-25 06:13:09,940 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 06:13:09,940 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-09-25 06:13:09,941 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 06:13:09,941 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 06:13:09,941 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-09-25 06:13:09,941 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 06:13:09,968 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 153 [2020-09-25 06:13:09,974 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 06:13:09,989 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 06:13:10,040 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 06:13:10,231 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 06:13:10,232 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-09-25 06:13:10,232 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-09-25 06:13:10,232 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 256 [2020-09-25 06:13:10,232 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 06:13:10,232 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-09-25 06:13:10,233 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 06:13:10,233 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 06:13:10,233 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-09-25 06:13:10,233 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 06:13:10,260 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 177 [2020-09-25 06:13:10,265 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 06:13:10,281 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 06:13:10,352 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 06:13:10,352 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 15 [2020-09-25 06:13:10,352 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 06:13:10,353 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 86 [2020-09-25 06:13:10,353 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 06:13:10,353 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-09-25 06:13:10,353 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 06:13:10,354 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 06:13:10,354 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 11 [2020-09-25 06:13:10,354 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 06:13:10,373 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-25 06:13:10,374 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 06:13:10,384 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 06:13:10,421 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 06:13:10,421 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-09-25 06:13:10,422 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 06:13:10,422 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 47 [2020-09-25 06:13:10,422 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 06:13:10,422 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-09-25 06:13:10,423 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 06:13:10,424 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 06:13:10,425 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 06:13:10,425 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 2 [2020-09-25 06:13:10,585 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 06:13:10,586 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1343356776] [2020-09-25 06:13:10,589 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-25 06:13:10,589 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2020-09-25 06:13:10,591 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [987324617] [2020-09-25 06:13:10,601 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-09-25 06:13:10,601 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-25 06:13:10,622 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-09-25 06:13:10,624 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2020-09-25 06:13:10,627 INFO L87 Difference]: Start difference. First operand 1099 states. Second operand 7 states. [2020-09-25 06:13:10,968 WARN L193 SmtUtils]: Spent 301.00 ms on a formula simplification that was a NOOP. DAG size: 196 [2020-09-25 06:13:11,933 WARN L193 SmtUtils]: Spent 330.00 ms on a formula simplification that was a NOOP. DAG size: 200 [2020-09-25 06:13:12,340 WARN L193 SmtUtils]: Spent 257.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-25 06:13:12,909 WARN L193 SmtUtils]: Spent 247.00 ms on a formula simplification that was a NOOP. DAG size: 194 [2020-09-25 06:13:18,981 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-25 06:13:18,982 INFO L93 Difference]: Finished difference Result 2314 states and 2732 transitions. [2020-09-25 06:13:18,982 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2020-09-25 06:13:18,984 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 190 [2020-09-25 06:13:18,987 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-25 06:13:19,018 INFO L225 Difference]: With dead ends: 2314 [2020-09-25 06:13:19,019 INFO L226 Difference]: Without dead ends: 1311 [2020-09-25 06:13:19,036 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 28 GetRequests, 16 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 20 ImplicationChecksByTransitivity, 1.6s TimeCoverageRelationStatistics Valid=60, Invalid=122, Unknown=0, NotChecked=0, Total=182 [2020-09-25 06:13:19,059 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1311 states. [2020-09-25 06:13:19,263 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1311 to 1058. [2020-09-25 06:13:19,265 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1058 states. [2020-09-25 06:13:19,277 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1058 states to 1058 states and 1178 transitions. [2020-09-25 06:13:19,280 INFO L78 Accepts]: Start accepts. Automaton has 1058 states and 1178 transitions. Word has length 190 [2020-09-25 06:13:19,284 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-25 06:13:19,285 INFO L479 AbstractCegarLoop]: Abstraction has 1058 states and 1178 transitions. [2020-09-25 06:13:19,285 INFO L480 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-09-25 06:13:19,285 INFO L276 IsEmpty]: Start isEmpty. Operand 1058 states and 1178 transitions. [2020-09-25 06:13:19,301 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 192 [2020-09-25 06:13:19,302 INFO L414 BasicCegarLoop]: Found error trace [2020-09-25 06:13:19,302 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 06:13:19,303 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-09-25 06:13:19,303 INFO L427 AbstractCegarLoop]: === Iteration 2 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-25 06:13:19,303 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-25 06:13:19,303 INFO L82 PathProgramCache]: Analyzing trace with hash 358410787, now seen corresponding path program 1 times [2020-09-25 06:13:19,304 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-25 06:13:19,304 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1312941187] [2020-09-25 06:13:19,304 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-25 06:13:19,416 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 06:13:19,546 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 06:13:19,713 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 06:13:20,217 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 06:13:22,011 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 06:13:24,469 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 06:13:24,470 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 216 [2020-09-25 06:13:24,470 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 4 [2020-09-25 06:13:24,470 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5047 [2020-09-25 06:13:24,471 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 06:13:24,471 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-09-25 06:13:24,471 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 06:13:24,471 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 76 [2020-09-25 06:13:24,471 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 136 [2020-09-25 06:13:24,472 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 06:13:25,203 WARN L193 SmtUtils]: Spent 216.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-09-25 06:13:25,204 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-25 06:13:25,250 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 06:13:25,307 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 06:13:25,587 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 06:13:25,588 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 84 [2020-09-25 06:13:25,588 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 06:13:25,588 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 336 [2020-09-25 06:13:25,588 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 06:13:25,589 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-09-25 06:13:25,589 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 06:13:25,589 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 06:13:25,589 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 72 [2020-09-25 06:13:25,590 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 06:13:25,755 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2020-09-25 06:13:25,762 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 06:13:25,776 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 06:13:25,840 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 06:13:25,840 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 17 [2020-09-25 06:13:25,841 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 06:13:25,841 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 77 [2020-09-25 06:13:25,841 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 06:13:25,841 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-09-25 06:13:25,842 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 06:13:25,842 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 06:13:25,842 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 13 [2020-09-25 06:13:25,842 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 06:13:25,869 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 121 [2020-09-25 06:13:25,875 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 06:13:25,888 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 06:13:25,949 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 06:13:25,950 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 17 [2020-09-25 06:13:25,950 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 06:13:25,950 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 73 [2020-09-25 06:13:25,950 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 06:13:25,951 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-09-25 06:13:25,951 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 06:13:25,951 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 06:13:25,951 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 13 [2020-09-25 06:13:25,951 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 06:13:25,980 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 144 [2020-09-25 06:13:25,983 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 06:13:25,993 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 06:13:26,026 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 06:13:26,026 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 06:13:26,027 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 06:13:26,027 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 42 [2020-09-25 06:13:26,027 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 06:13:26,027 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-09-25 06:13:26,028 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 06:13:26,028 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 06:13:26,028 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-25 06:13:26,028 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 06:13:26,061 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 147 [2020-09-25 06:13:26,067 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 06:13:26,078 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 06:13:26,103 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 06:13:26,247 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 06:13:26,247 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-09-25 06:13:26,248 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-09-25 06:13:26,248 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 179 [2020-09-25 06:13:26,248 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 06:13:26,248 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-09-25 06:13:26,248 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 06:13:26,249 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 06:13:26,249 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-09-25 06:13:26,249 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 06:13:26,272 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 153 [2020-09-25 06:13:26,278 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 06:13:26,289 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 06:13:26,306 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 06:13:26,450 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 06:13:26,451 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-09-25 06:13:26,451 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-09-25 06:13:26,451 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 172 [2020-09-25 06:13:26,452 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 06:13:26,452 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-09-25 06:13:26,452 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 06:13:26,452 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 06:13:26,452 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-09-25 06:13:26,453 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 06:13:26,476 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 177 [2020-09-25 06:13:26,480 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 06:13:26,492 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 06:13:26,552 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 06:13:26,553 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 15 [2020-09-25 06:13:26,553 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 06:13:26,553 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 71 [2020-09-25 06:13:26,553 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 06:13:26,553 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-09-25 06:13:26,554 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 06:13:26,554 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 06:13:26,554 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 11 [2020-09-25 06:13:26,554 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 06:13:26,569 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-25 06:13:26,570 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 06:13:26,580 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 06:13:26,611 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 06:13:26,612 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-09-25 06:13:26,612 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 06:13:26,612 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 40 [2020-09-25 06:13:26,612 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 06:13:26,613 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-09-25 06:13:26,613 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 06:13:26,613 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 06:13:26,613 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 06:13:26,614 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 06:13:26,723 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 06:13:26,723 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1312941187] [2020-09-25 06:13:26,724 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-25 06:13:26,724 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2020-09-25 06:13:26,724 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [192048599] [2020-09-25 06:13:26,726 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-09-25 06:13:26,726 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-25 06:13:26,727 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-09-25 06:13:26,727 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2020-09-25 06:13:26,727 INFO L87 Difference]: Start difference. First operand 1058 states and 1178 transitions. Second operand 7 states. [2020-09-25 06:13:26,962 WARN L193 SmtUtils]: Spent 223.00 ms on a formula simplification that was a NOOP. DAG size: 196 [2020-09-25 06:13:27,794 WARN L193 SmtUtils]: Spent 283.00 ms on a formula simplification that was a NOOP. DAG size: 200 [2020-09-25 06:13:28,178 WARN L193 SmtUtils]: Spent 261.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-25 06:13:28,712 WARN L193 SmtUtils]: Spent 253.00 ms on a formula simplification that was a NOOP. DAG size: 194 [2020-09-25 06:13:34,426 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-25 06:13:34,426 INFO L93 Difference]: Finished difference Result 1313 states and 1535 transitions. [2020-09-25 06:13:34,427 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2020-09-25 06:13:34,427 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 191 [2020-09-25 06:13:34,428 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-25 06:13:34,437 INFO L225 Difference]: With dead ends: 1313 [2020-09-25 06:13:34,438 INFO L226 Difference]: Without dead ends: 1310 [2020-09-25 06:13:34,442 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 28 GetRequests, 16 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 20 ImplicationChecksByTransitivity, 1.4s TimeCoverageRelationStatistics Valid=60, Invalid=122, Unknown=0, NotChecked=0, Total=182 [2020-09-25 06:13:34,445 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1310 states. [2020-09-25 06:13:34,521 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1310 to 1057. [2020-09-25 06:13:34,522 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1057 states. [2020-09-25 06:13:34,527 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1057 states to 1057 states and 1176 transitions. [2020-09-25 06:13:34,528 INFO L78 Accepts]: Start accepts. Automaton has 1057 states and 1176 transitions. Word has length 191 [2020-09-25 06:13:34,528 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-25 06:13:34,529 INFO L479 AbstractCegarLoop]: Abstraction has 1057 states and 1176 transitions. [2020-09-25 06:13:34,529 INFO L480 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-09-25 06:13:34,529 INFO L276 IsEmpty]: Start isEmpty. Operand 1057 states and 1176 transitions. [2020-09-25 06:13:34,532 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 193 [2020-09-25 06:13:34,532 INFO L414 BasicCegarLoop]: Found error trace [2020-09-25 06:13:34,532 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 06:13:34,533 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-09-25 06:13:34,533 INFO L427 AbstractCegarLoop]: === Iteration 3 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-25 06:13:34,533 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-25 06:13:34,533 INFO L82 PathProgramCache]: Analyzing trace with hash -1774672941, now seen corresponding path program 1 times [2020-09-25 06:13:34,534 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-25 06:13:34,534 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [523139571] [2020-09-25 06:13:34,534 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-25 06:13:34,616 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 06:13:34,721 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 06:13:34,901 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 06:13:35,285 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 06:13:36,851 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 06:13:39,631 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 06:13:39,631 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 217 [2020-09-25 06:13:39,631 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 4 [2020-09-25 06:13:39,631 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5012 [2020-09-25 06:13:39,632 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 06:13:39,632 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-09-25 06:13:39,632 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 06:13:39,632 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 77 [2020-09-25 06:13:39,633 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 136 [2020-09-25 06:13:39,633 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 06:13:40,359 WARN L193 SmtUtils]: Spent 306.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-09-25 06:13:40,360 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-25 06:13:40,413 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 06:13:40,473 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 06:13:40,770 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 06:13:40,771 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 84 [2020-09-25 06:13:40,771 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 06:13:40,772 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 356 [2020-09-25 06:13:40,772 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 06:13:40,772 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-09-25 06:13:40,773 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 06:13:40,773 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 06:13:40,774 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 73 [2020-09-25 06:13:40,774 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 06:13:40,910 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2020-09-25 06:13:40,915 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 06:13:40,931 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 06:13:40,969 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 06:13:40,969 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 17 [2020-09-25 06:13:40,970 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 06:13:40,970 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 53 [2020-09-25 06:13:40,970 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 06:13:40,971 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-09-25 06:13:40,971 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 06:13:40,971 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 06:13:40,972 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 13 [2020-09-25 06:13:40,972 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 06:13:40,998 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 121 [2020-09-25 06:13:41,003 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 06:13:41,019 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 06:13:41,085 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 06:13:41,086 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 17 [2020-09-25 06:13:41,086 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 06:13:41,086 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 80 [2020-09-25 06:13:41,086 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 06:13:41,087 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-09-25 06:13:41,087 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 06:13:41,087 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 06:13:41,087 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 13 [2020-09-25 06:13:41,087 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 06:13:41,115 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 144 [2020-09-25 06:13:41,118 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 06:13:41,133 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 06:13:41,159 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 06:13:41,159 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 06:13:41,159 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 06:13:41,159 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 40 [2020-09-25 06:13:41,160 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 06:13:41,160 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-09-25 06:13:41,160 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 06:13:41,160 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 06:13:41,160 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-25 06:13:41,161 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 06:13:41,189 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 147 [2020-09-25 06:13:41,194 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 06:13:41,207 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 06:13:41,235 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 06:13:41,374 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 06:13:41,374 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-09-25 06:13:41,374 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-09-25 06:13:41,375 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 179 [2020-09-25 06:13:41,375 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 06:13:41,375 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-09-25 06:13:41,375 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 06:13:41,376 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 06:13:41,376 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-09-25 06:13:41,376 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 06:13:41,397 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 153 [2020-09-25 06:13:41,401 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 06:13:41,412 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 06:13:41,426 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 06:13:41,562 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 06:13:41,562 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-09-25 06:13:41,562 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-09-25 06:13:41,563 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 160 [2020-09-25 06:13:41,563 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 06:13:41,563 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-09-25 06:13:41,563 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 06:13:41,563 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 06:13:41,564 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-09-25 06:13:41,564 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 06:13:41,585 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 177 [2020-09-25 06:13:41,590 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 06:13:41,604 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 06:13:41,660 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 06:13:41,660 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 15 [2020-09-25 06:13:41,660 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 06:13:41,661 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 68 [2020-09-25 06:13:41,661 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 06:13:41,661 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-09-25 06:13:41,661 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 06:13:41,662 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 06:13:41,662 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 11 [2020-09-25 06:13:41,662 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 06:13:41,676 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-25 06:13:41,677 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 06:13:41,688 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 06:13:41,704 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 06:13:41,704 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-09-25 06:13:41,705 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 06:13:41,705 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 26 [2020-09-25 06:13:41,705 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 06:13:41,705 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-09-25 06:13:41,706 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 06:13:41,706 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 06:13:41,706 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 06:13:41,706 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 06:13:41,782 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 06:13:41,782 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [523139571] [2020-09-25 06:13:41,783 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-25 06:13:41,783 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2020-09-25 06:13:41,784 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [459251704] [2020-09-25 06:13:41,785 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2020-09-25 06:13:41,785 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-25 06:13:41,785 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2020-09-25 06:13:41,785 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2020-09-25 06:13:41,786 INFO L87 Difference]: Start difference. First operand 1057 states and 1176 transitions. Second operand 6 states. [2020-09-25 06:13:42,069 WARN L193 SmtUtils]: Spent 274.00 ms on a formula simplification that was a NOOP. DAG size: 196 [2020-09-25 06:13:42,886 WARN L193 SmtUtils]: Spent 302.00 ms on a formula simplification that was a NOOP. DAG size: 198 [2020-09-25 06:13:43,275 WARN L193 SmtUtils]: Spent 290.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-25 06:13:43,856 WARN L193 SmtUtils]: Spent 299.00 ms on a formula simplification that was a NOOP. DAG size: 192