/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=SMALLESTAMONGWIDE --traceabstraction.additional.smt.options tolerance=0.1 --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 10:46:13,030 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-09-25 10:46:13,033 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-09-25 10:46:13,060 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-09-25 10:46:13,060 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-09-25 10:46:13,061 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-09-25 10:46:13,063 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-09-25 10:46:13,065 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-09-25 10:46:13,066 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-09-25 10:46:13,067 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-09-25 10:46:13,068 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-09-25 10:46:13,070 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-09-25 10:46:13,070 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-09-25 10:46:13,071 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-09-25 10:46:13,072 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-09-25 10:46:13,074 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-09-25 10:46:13,075 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-09-25 10:46:13,076 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-09-25 10:46:13,078 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-09-25 10:46:13,080 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-09-25 10:46:13,081 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-09-25 10:46:13,082 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-09-25 10:46:13,084 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-09-25 10:46:13,085 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-09-25 10:46:13,087 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-09-25 10:46:13,088 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-09-25 10:46:13,088 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-09-25 10:46:13,089 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-09-25 10:46:13,089 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-09-25 10:46:13,090 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-09-25 10:46:13,091 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-09-25 10:46:13,094 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-09-25 10:46:13,095 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-09-25 10:46:13,096 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-09-25 10:46:13,100 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-09-25 10:46:13,100 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-09-25 10:46:13,101 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-09-25 10:46:13,101 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-09-25 10:46:13,101 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-09-25 10:46:13,103 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-09-25 10:46:13,104 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-09-25 10:46:13,105 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 10:46:13,159 INFO L113 SettingsManager]: Loading preferences was successful [2020-09-25 10:46:13,160 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-09-25 10:46:13,164 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-09-25 10:46:13,164 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-09-25 10:46:13,164 INFO L138 SettingsManager]: * Use SBE=true [2020-09-25 10:46:13,165 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-09-25 10:46:13,165 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-09-25 10:46:13,165 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-09-25 10:46:13,165 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-09-25 10:46:13,165 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-09-25 10:46:13,166 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-09-25 10:46:13,166 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-09-25 10:46:13,166 INFO L138 SettingsManager]: * Use constant arrays=true [2020-09-25 10:46:13,166 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-09-25 10:46:13,166 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-09-25 10:46:13,168 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-09-25 10:46:13,168 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-09-25 10:46:13,168 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-09-25 10:46:13,168 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-09-25 10:46:13,169 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-09-25 10:46:13,169 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-09-25 10:46:13,169 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-09-25 10:46:13,169 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-09-25 10:46:13,169 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-09-25 10:46:13,170 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-09-25 10:46:13,170 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-09-25 10:46:13,170 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2020-09-25 10:46:13,170 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=SMALLESTAMONGWIDE;tolerance=0.1;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=SMALLESTAMONGWIDE;tolerance=0.1;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=SMALLESTAMONGWIDE;tolerance=0.1;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=SMALLESTAMONGWIDE;tolerance=0.1;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=SMALLESTAMONGWIDE;tolerance=0.1;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=SMALLESTAMONGWIDE;tolerance=0.1;log-additional-information=true; [2020-09-25 10:46:13,609 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-09-25 10:46:13,626 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-09-25 10:46:13,630 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-09-25 10:46:13,632 INFO L271 PluginConnector]: Initializing CDTParser... [2020-09-25 10:46:13,633 INFO L275 PluginConnector]: CDTParser initialized [2020-09-25 10:46:13,634 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/ldv-linux-3.12-rc1/linux-3.12-rc1.tar.xz-144_2a-drivers--net--wireless--ti--wlcore--wlcore_spi.ko-entry_point.cil.out.i [2020-09-25 10:46:13,723 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/5e9b9eb19/dceb26ce679d43bcbbc84cc2010e7a58/FLAG6a6df2357 [2020-09-25 10:46:14,524 INFO L306 CDTParser]: Found 1 translation units. [2020-09-25 10:46:14,525 INFO L160 CDTParser]: Scanning /storage/repos/ultimate-2/trunk/examples/svcomp/ldv-linux-3.12-rc1/linux-3.12-rc1.tar.xz-144_2a-drivers--net--wireless--ti--wlcore--wlcore_spi.ko-entry_point.cil.out.i [2020-09-25 10:46:14,558 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/5e9b9eb19/dceb26ce679d43bcbbc84cc2010e7a58/FLAG6a6df2357 [2020-09-25 10:46:14,579 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/5e9b9eb19/dceb26ce679d43bcbbc84cc2010e7a58 [2020-09-25 10:46:14,593 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-09-25 10:46:14,599 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-09-25 10:46:14,601 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-09-25 10:46:14,601 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-09-25 10:46:14,605 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-09-25 10:46:14,606 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.09 10:46:14" (1/1) ... [2020-09-25 10:46:14,610 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@35246ee9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 10:46:14, skipping insertion in model container [2020-09-25 10:46:14,610 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.09 10:46:14" (1/1) ... [2020-09-25 10:46:14,619 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-09-25 10:46:14,729 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-09-25 10:46:16,195 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-09-25 10:46:16,215 INFO L203 MainTranslator]: Completed pre-run [2020-09-25 10:46:16,426 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-09-25 10:46:16,491 INFO L208 MainTranslator]: Completed translation [2020-09-25 10:46:16,492 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 10:46:16 WrapperNode [2020-09-25 10:46:16,492 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-09-25 10:46:16,493 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-09-25 10:46:16,493 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-09-25 10:46:16,494 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-09-25 10:46:16,512 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 10:46:16" (1/1) ... [2020-09-25 10:46:16,512 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 10:46:16" (1/1) ... [2020-09-25 10:46:16,565 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 10:46:16" (1/1) ... [2020-09-25 10:46:16,568 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 10:46:16" (1/1) ... [2020-09-25 10:46:16,653 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 10:46:16" (1/1) ... [2020-09-25 10:46:16,663 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 10:46:16" (1/1) ... [2020-09-25 10:46:16,673 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 10:46:16" (1/1) ... [2020-09-25 10:46:16,688 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-09-25 10:46:16,688 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-09-25 10:46:16,688 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-09-25 10:46:16,689 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-09-25 10:46:16,690 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 10:46:16" (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 10:46:16,780 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-09-25 10:46:16,781 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-09-25 10:46:16,781 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~VOID [2020-09-25 10:46:16,781 INFO L138 BoogieDeclarations]: Found implementation of procedure INIT_LIST_HEAD [2020-09-25 10:46:16,781 INFO L138 BoogieDeclarations]: Found implementation of procedure list_add_tail [2020-09-25 10:46:16,782 INFO L138 BoogieDeclarations]: Found implementation of procedure __kmalloc [2020-09-25 10:46:16,782 INFO L138 BoogieDeclarations]: Found implementation of procedure kmalloc [2020-09-25 10:46:16,783 INFO L138 BoogieDeclarations]: Found implementation of procedure kzalloc [2020-09-25 10:46:16,783 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2020-09-25 10:46:16,784 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2020-09-25 10:46:16,784 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_zalloc [2020-09-25 10:46:16,784 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undef_int [2020-09-25 10:46:16,784 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undef_ulong [2020-09-25 10:46:16,785 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_error [2020-09-25 10:46:16,785 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2020-09-25 10:46:16,786 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2020-09-25 10:46:16,786 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_trap [2020-09-25 10:46:16,787 INFO L138 BoogieDeclarations]: Found implementation of procedure to_spi_device [2020-09-25 10:46:16,787 INFO L138 BoogieDeclarations]: Found implementation of procedure spi_set_drvdata [2020-09-25 10:46:16,787 INFO L138 BoogieDeclarations]: Found implementation of procedure spi_get_drvdata [2020-09-25 10:46:16,788 INFO L138 BoogieDeclarations]: Found implementation of procedure spi_unregister_driver [2020-09-25 10:46:16,788 INFO L138 BoogieDeclarations]: Found implementation of procedure spi_message_init [2020-09-25 10:46:16,788 INFO L138 BoogieDeclarations]: Found implementation of procedure spi_message_add_tail [2020-09-25 10:46:16,789 INFO L138 BoogieDeclarations]: Found implementation of procedure wl12xx_spi_reset [2020-09-25 10:46:16,789 INFO L138 BoogieDeclarations]: Found implementation of procedure wl12xx_spi_init [2020-09-25 10:46:16,789 INFO L138 BoogieDeclarations]: Found implementation of procedure wl12xx_spi_read_busy [2020-09-25 10:46:16,789 INFO L138 BoogieDeclarations]: Found implementation of procedure wl12xx_spi_raw_read [2020-09-25 10:46:16,790 INFO L138 BoogieDeclarations]: Found implementation of procedure wl12xx_spi_raw_write [2020-09-25 10:46:16,791 INFO L138 BoogieDeclarations]: Found implementation of procedure wl1271_probe [2020-09-25 10:46:16,791 INFO L138 BoogieDeclarations]: Found implementation of procedure wl1271_remove [2020-09-25 10:46:16,791 INFO L138 BoogieDeclarations]: Found implementation of procedure wl1271_spi_driver_init [2020-09-25 10:46:16,791 INFO L138 BoogieDeclarations]: Found implementation of procedure wl1271_spi_driver_exit [2020-09-25 10:46:16,791 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_initialize_wl1271_if_operations_2 [2020-09-25 10:46:16,792 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_initialize_spi_driver_1 [2020-09-25 10:46:16,792 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-09-25 10:46:16,792 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop___0 [2020-09-25 10:46:16,792 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_get_intfdata [2020-09-25 10:46:16,792 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_set_intfdata [2020-09-25 10:46:16,792 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_put_intf [2020-09-25 10:46:16,793 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_free_urb [2020-09-25 10:46:16,793 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_fill_int_urb [2020-09-25 10:46:16,793 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_fill_bulk_urb [2020-09-25 10:46:16,794 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_submit_urb [2020-09-25 10:46:16,794 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_get_dev [2020-09-25 10:46:16,794 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_put_dev [2020-09-25 10:46:16,794 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_get_interface [2020-09-25 10:46:16,795 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_put_interface [2020-09-25 10:46:16,795 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_serial_register [2020-09-25 10:46:16,795 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_serial_deregister [2020-09-25 10:46:16,795 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_final_state [2020-09-25 10:46:16,795 INFO L138 BoogieDeclarations]: Found implementation of procedure __list_add [2020-09-25 10:46:16,796 INFO L138 BoogieDeclarations]: Found implementation of procedure crc7 [2020-09-25 10:46:16,796 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_err [2020-09-25 10:46:16,796 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_get_drvdata [2020-09-25 10:46:16,797 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_set_drvdata [2020-09-25 10:46:16,797 INFO L138 BoogieDeclarations]: Found implementation of procedure driver_unregister [2020-09-25 10:46:16,798 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_initialize [2020-09-25 10:46:16,798 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_release_2 [2020-09-25 10:46:16,798 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_setup_2 [2020-09-25 10:46:16,798 INFO L138 BoogieDeclarations]: Found implementation of procedure platform_device_add [2020-09-25 10:46:16,798 INFO L138 BoogieDeclarations]: Found implementation of procedure platform_device_add_data [2020-09-25 10:46:16,798 INFO L138 BoogieDeclarations]: Found implementation of procedure platform_device_add_resources [2020-09-25 10:46:16,799 INFO L138 BoogieDeclarations]: Found implementation of procedure platform_device_alloc [2020-09-25 10:46:16,799 INFO L138 BoogieDeclarations]: Found implementation of procedure platform_device_put [2020-09-25 10:46:16,799 INFO L138 BoogieDeclarations]: Found implementation of procedure platform_device_unregister [2020-09-25 10:46:16,799 INFO L138 BoogieDeclarations]: Found implementation of procedure spi_register_driver [2020-09-25 10:46:16,799 INFO L138 BoogieDeclarations]: Found implementation of procedure spi_setup [2020-09-25 10:46:16,799 INFO L138 BoogieDeclarations]: Found implementation of procedure spi_sync [2020-09-25 10:46:16,800 INFO L138 BoogieDeclarations]: Found implementation of procedure warn_slowpath_null [2020-09-25 10:46:16,800 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree [2020-09-25 10:46:16,801 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2020-09-25 10:46:16,801 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.meminit [2020-09-25 10:46:16,802 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2020-09-25 10:46:16,803 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2020-09-25 10:46:16,803 INFO L130 BoogieDeclarations]: Found specification of procedure memset [2020-09-25 10:46:16,803 INFO L130 BoogieDeclarations]: Found specification of procedure warn_slowpath_null [2020-09-25 10:46:16,804 INFO L130 BoogieDeclarations]: Found specification of procedure INIT_LIST_HEAD [2020-09-25 10:46:16,804 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2020-09-25 10:46:16,804 INFO L130 BoogieDeclarations]: Found specification of procedure __list_add [2020-09-25 10:46:16,804 INFO L130 BoogieDeclarations]: Found specification of procedure list_add_tail [2020-09-25 10:46:16,804 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2020-09-25 10:46:16,804 INFO L130 BoogieDeclarations]: Found specification of procedure driver_unregister [2020-09-25 10:46:16,806 INFO L130 BoogieDeclarations]: Found specification of procedure dev_get_drvdata [2020-09-25 10:46:16,806 INFO L130 BoogieDeclarations]: Found specification of procedure dev_set_drvdata [2020-09-25 10:46:16,806 INFO L130 BoogieDeclarations]: Found specification of procedure dev_err [2020-09-25 10:46:16,806 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2020-09-25 10:46:16,806 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2020-09-25 10:46:16,806 INFO L130 BoogieDeclarations]: Found specification of procedure __kmalloc [2020-09-25 10:46:16,807 INFO L130 BoogieDeclarations]: Found specification of procedure kmalloc [2020-09-25 10:46:16,807 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_zalloc [2020-09-25 10:46:16,807 INFO L130 BoogieDeclarations]: Found specification of procedure kzalloc [2020-09-25 10:46:16,807 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2020-09-25 10:46:16,807 INFO L130 BoogieDeclarations]: Found specification of procedure calloc [2020-09-25 10:46:16,808 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2020-09-25 10:46:16,808 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_size_t [2020-09-25 10:46:16,808 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_ulong [2020-09-25 10:46:16,808 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2020-09-25 10:46:16,808 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2020-09-25 10:46:16,808 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2020-09-25 10:46:16,809 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.meminit [2020-09-25 10:46:16,809 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undef_int [2020-09-25 10:46:16,809 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undef_ulong [2020-09-25 10:46:16,809 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_error [2020-09-25 10:46:16,809 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2020-09-25 10:46:16,809 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_trap [2020-09-25 10:46:16,810 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_initialize_wl1271_if_operations_2 [2020-09-25 10:46:16,810 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_initialize_spi_driver_1 [2020-09-25 10:46:16,810 INFO L130 BoogieDeclarations]: Found specification of procedure crc7 [2020-09-25 10:46:16,810 INFO L130 BoogieDeclarations]: Found specification of procedure to_spi_device [2020-09-25 10:46:16,810 INFO L130 BoogieDeclarations]: Found specification of procedure spi_set_drvdata [2020-09-25 10:46:16,810 INFO L130 BoogieDeclarations]: Found specification of procedure spi_get_drvdata [2020-09-25 10:46:16,811 INFO L130 BoogieDeclarations]: Found specification of procedure spi_register_driver [2020-09-25 10:46:16,811 INFO L130 BoogieDeclarations]: Found specification of procedure spi_unregister_driver [2020-09-25 10:46:16,811 INFO L130 BoogieDeclarations]: Found specification of procedure spi_message_init [2020-09-25 10:46:16,811 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2020-09-25 10:46:16,811 INFO L130 BoogieDeclarations]: Found specification of procedure spi_message_add_tail [2020-09-25 10:46:16,814 INFO L130 BoogieDeclarations]: Found specification of procedure spi_setup [2020-09-25 10:46:16,815 INFO L130 BoogieDeclarations]: Found specification of procedure spi_sync [2020-09-25 10:46:16,815 INFO L130 BoogieDeclarations]: Found specification of procedure platform_device_unregister [2020-09-25 10:46:16,815 INFO L130 BoogieDeclarations]: Found specification of procedure platform_device_alloc [2020-09-25 10:46:16,816 INFO L130 BoogieDeclarations]: Found specification of procedure platform_device_add_resources [2020-09-25 10:46:16,817 INFO L130 BoogieDeclarations]: Found specification of procedure platform_device_add_data [2020-09-25 10:46:16,817 INFO L130 BoogieDeclarations]: Found specification of procedure platform_device_add [2020-09-25 10:46:16,817 INFO L130 BoogieDeclarations]: Found specification of procedure platform_device_put [2020-09-25 10:46:16,817 INFO L130 BoogieDeclarations]: Found specification of procedure wl12xx_spi_reset [2020-09-25 10:46:16,818 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-09-25 10:46:16,818 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-09-25 10:46:16,819 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-09-25 10:46:16,819 INFO L130 BoogieDeclarations]: Found specification of procedure wl12xx_spi_init [2020-09-25 10:46:16,823 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2020-09-25 10:46:16,823 INFO L130 BoogieDeclarations]: Found specification of procedure wl12xx_spi_read_busy [2020-09-25 10:46:16,823 INFO L130 BoogieDeclarations]: Found specification of procedure wl12xx_spi_raw_read [2020-09-25 10:46:16,823 INFO L130 BoogieDeclarations]: Found specification of procedure wl12xx_spi_raw_write [2020-09-25 10:46:16,823 INFO L130 BoogieDeclarations]: Found specification of procedure wl1271_probe [2020-09-25 10:46:16,824 INFO L130 BoogieDeclarations]: Found specification of procedure wl1271_remove [2020-09-25 10:46:16,824 INFO L130 BoogieDeclarations]: Found specification of procedure wl1271_spi_driver_init [2020-09-25 10:46:16,824 INFO L130 BoogieDeclarations]: Found specification of procedure wl1271_spi_driver_exit [2020-09-25 10:46:16,824 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_initialize [2020-09-25 10:46:16,824 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_release_2 [2020-09-25 10:46:16,825 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_final_state [2020-09-25 10:46:16,825 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_setup_2 [2020-09-25 10:46:16,825 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-09-25 10:46:16,825 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop___0 [2020-09-25 10:46:16,825 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_get_intfdata [2020-09-25 10:46:16,825 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_set_intfdata [2020-09-25 10:46:16,826 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_put_intf [2020-09-25 10:46:16,826 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_free_urb [2020-09-25 10:46:16,826 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_fill_int_urb [2020-09-25 10:46:16,826 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_fill_bulk_urb [2020-09-25 10:46:16,826 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_submit_urb [2020-09-25 10:46:16,827 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~VOID [2020-09-25 10:46:16,827 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_get_dev [2020-09-25 10:46:16,827 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_put_dev [2020-09-25 10:46:16,827 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_get_interface [2020-09-25 10:46:16,827 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_put_interface [2020-09-25 10:46:16,827 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_serial_register [2020-09-25 10:46:16,828 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_serial_deregister [2020-09-25 10:46:16,828 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_uchar [2020-09-25 10:46:16,828 INFO L130 BoogieDeclarations]: Found specification of procedure free [2020-09-25 10:46:16,828 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-09-25 10:46:16,828 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-09-25 10:46:16,829 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2020-09-25 10:46:16,829 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-09-25 10:46:17,693 INFO L732 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stopFINAL: assume true; [2020-09-25 10:46:18,437 INFO L732 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stop___0FINAL: assume true; [2020-09-25 10:46:18,735 INFO L290 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-09-25 10:46:18,735 INFO L295 CfgBuilder]: Removed 0 assume(true) statements. [2020-09-25 10:46:18,749 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.09 10:46:18 BoogieIcfgContainer [2020-09-25 10:46:18,749 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-09-25 10:46:18,752 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-09-25 10:46:18,753 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-09-25 10:46:18,756 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-09-25 10:46:18,757 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 25.09 10:46:14" (1/3) ... [2020-09-25 10:46:18,757 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@a2413b3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 25.09 10:46:18, skipping insertion in model container [2020-09-25 10:46:18,758 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 10:46:16" (2/3) ... [2020-09-25 10:46:18,758 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@a2413b3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 25.09 10:46:18, skipping insertion in model container [2020-09-25 10:46:18,759 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.09 10:46:18" (3/3) ... [2020-09-25 10:46:18,761 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 10:46:18,772 INFO L157 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:Craig_NestedInterpolation Determinization: PREDICATE_ABSTRACTION [2020-09-25 10:46:18,783 INFO L169 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-09-25 10:46:18,803 INFO L251 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-09-25 10:46:18,837 INFO L375 AbstractCegarLoop]: Interprodecural is true [2020-09-25 10:46:18,837 INFO L376 AbstractCegarLoop]: Hoare is true [2020-09-25 10:46:18,837 INFO L377 AbstractCegarLoop]: Compute interpolants for Craig_NestedInterpolation [2020-09-25 10:46:18,837 INFO L378 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-09-25 10:46:18,837 INFO L379 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-09-25 10:46:18,837 INFO L380 AbstractCegarLoop]: Difference is false [2020-09-25 10:46:18,838 INFO L381 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-09-25 10:46:18,838 INFO L385 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-09-25 10:46:18,877 INFO L276 IsEmpty]: Start isEmpty. Operand 1099 states. [2020-09-25 10:46:18,894 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 191 [2020-09-25 10:46:18,895 INFO L414 BasicCegarLoop]: Found error trace [2020-09-25 10:46:18,896 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 10:46:18,897 INFO L427 AbstractCegarLoop]: === Iteration 1 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-25 10:46:18,904 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-25 10:46:18,904 INFO L82 PathProgramCache]: Analyzing trace with hash -126969232, now seen corresponding path program 1 times [2020-09-25 10:46:18,914 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-25 10:46:18,915 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [757399254] [2020-09-25 10:46:18,915 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-25 10:46:19,412 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 10:46:19,606 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 10:46:19,905 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 10:46:20,508 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 10:46:22,597 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 10:46:24,426 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 10:46:24,426 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 215 [2020-09-25 10:46:24,427 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 4 [2020-09-25 10:46:24,427 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5006 [2020-09-25 10:46:24,430 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 10:46:24,431 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.1 [2020-09-25 10:46:24,431 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 10:46:24,431 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 75 [2020-09-25 10:46:24,431 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 136 [2020-09-25 10:46:24,432 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 4 [2020-09-25 10:46:25,323 WARN L193 SmtUtils]: Spent 330.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-09-25 10:46:25,325 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-25 10:46:25,474 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 10:46:25,531 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 10:46:25,846 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 10:46:25,847 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 84 [2020-09-25 10:46:25,847 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 10:46:25,848 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 371 [2020-09-25 10:46:25,848 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 10:46:25,849 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.1 [2020-09-25 10:46:25,849 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 10:46:25,849 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 10:46:25,850 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 71 [2020-09-25 10:46:25,850 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 10:46:26,039 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2020-09-25 10:46:26,046 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 10:46:26,064 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 10:46:26,146 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 10:46:26,146 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 17 [2020-09-25 10:46:26,146 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 10:46:26,147 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 99 [2020-09-25 10:46:26,147 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 10:46:26,147 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.1 [2020-09-25 10:46:26,147 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 10:46:26,148 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 10:46:26,148 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 13 [2020-09-25 10:46:26,148 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 10:46:26,182 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 121 [2020-09-25 10:46:26,189 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 10:46:26,208 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 10:46:26,296 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 10:46:26,297 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 17 [2020-09-25 10:46:26,297 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 10:46:26,297 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 106 [2020-09-25 10:46:26,297 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 10:46:26,298 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.1 [2020-09-25 10:46:26,298 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 10:46:26,298 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 10:46:26,298 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 13 [2020-09-25 10:46:26,299 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 10:46:26,332 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 144 [2020-09-25 10:46:26,337 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 10:46:26,351 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 10:46:26,380 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 10:46:26,380 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 10:46:26,381 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 10:46:26,381 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 40 [2020-09-25 10:46:26,381 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 10:46:26,381 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.1 [2020-09-25 10:46:26,382 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 10:46:26,382 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 10:46:26,382 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-25 10:46:26,382 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 10:46:26,419 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 147 [2020-09-25 10:46:26,428 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 10:46:26,443 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 10:46:26,477 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 10:46:26,679 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 10:46:26,680 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-09-25 10:46:26,688 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-09-25 10:46:26,691 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 250 [2020-09-25 10:46:26,691 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 10:46:26,692 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.1 [2020-09-25 10:46:26,692 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 10:46:26,692 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 10:46:26,692 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-09-25 10:46:26,693 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 10:46:26,720 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 153 [2020-09-25 10:46:26,726 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 10:46:26,741 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 10:46:26,789 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 10:46:26,973 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 10:46:26,974 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-09-25 10:46:26,974 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-09-25 10:46:26,974 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 245 [2020-09-25 10:46:26,974 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 10:46:26,975 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.1 [2020-09-25 10:46:26,975 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 10:46:26,975 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 10:46:26,975 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-09-25 10:46:26,975 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 10:46:27,002 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 177 [2020-09-25 10:46:27,008 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 10:46:27,022 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 10:46:27,105 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 10:46:27,105 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 15 [2020-09-25 10:46:27,106 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 10:46:27,106 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 96 [2020-09-25 10:46:27,106 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 10:46:27,106 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.1 [2020-09-25 10:46:27,107 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 10:46:27,107 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 10:46:27,107 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 11 [2020-09-25 10:46:27,107 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 10:46:27,126 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-25 10:46:27,127 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 10:46:27,139 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 10:46:27,177 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 10:46:27,177 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-09-25 10:46:27,178 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 10:46:27,178 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 49 [2020-09-25 10:46:27,178 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 10:46:27,178 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.1 [2020-09-25 10:46:27,179 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 10:46:27,179 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 10:46:27,179 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 10:46:27,179 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 10:46:27,407 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 10:46:27,408 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [757399254] [2020-09-25 10:46:27,410 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-25 10:46:27,411 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2020-09-25 10:46:27,413 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1805853139] [2020-09-25 10:46:27,421 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-09-25 10:46:27,421 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-25 10:46:27,445 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-09-25 10:46:27,447 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2020-09-25 10:46:27,451 INFO L87 Difference]: Start difference. First operand 1099 states. Second operand 7 states. [2020-09-25 10:46:27,791 WARN L193 SmtUtils]: Spent 296.00 ms on a formula simplification that was a NOOP. DAG size: 196 [2020-09-25 10:46:28,699 WARN L193 SmtUtils]: Spent 291.00 ms on a formula simplification that was a NOOP. DAG size: 200 [2020-09-25 10:46:29,023 WARN L193 SmtUtils]: Spent 218.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-25 10:46:29,597 WARN L193 SmtUtils]: Spent 303.00 ms on a formula simplification that was a NOOP. DAG size: 194 [2020-09-25 10:46:35,626 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-25 10:46:35,626 INFO L93 Difference]: Finished difference Result 2314 states and 2732 transitions. [2020-09-25 10:46:35,628 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2020-09-25 10:46:35,630 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 190 [2020-09-25 10:46:35,632 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-25 10:46:35,662 INFO L225 Difference]: With dead ends: 2314 [2020-09-25 10:46:35,662 INFO L226 Difference]: Without dead ends: 1311 [2020-09-25 10:46:35,673 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 10:46:35,697 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1311 states. [2020-09-25 10:46:35,868 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1311 to 1058. [2020-09-25 10:46:35,870 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1058 states. [2020-09-25 10:46:35,878 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1058 states to 1058 states and 1178 transitions. [2020-09-25 10:46:35,881 INFO L78 Accepts]: Start accepts. Automaton has 1058 states and 1178 transitions. Word has length 190 [2020-09-25 10:46:35,882 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-25 10:46:35,882 INFO L479 AbstractCegarLoop]: Abstraction has 1058 states and 1178 transitions. [2020-09-25 10:46:35,883 INFO L480 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-09-25 10:46:35,883 INFO L276 IsEmpty]: Start isEmpty. Operand 1058 states and 1178 transitions. [2020-09-25 10:46:35,888 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 192 [2020-09-25 10:46:35,888 INFO L414 BasicCegarLoop]: Found error trace [2020-09-25 10:46:35,889 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 10:46:35,889 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-09-25 10:46:35,890 INFO L427 AbstractCegarLoop]: === Iteration 2 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-25 10:46:35,894 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-25 10:46:35,894 INFO L82 PathProgramCache]: Analyzing trace with hash 358410787, now seen corresponding path program 1 times [2020-09-25 10:46:35,894 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-25 10:46:35,895 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1423676508] [2020-09-25 10:46:35,895 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-25 10:46:36,005 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 10:46:36,091 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 10:46:36,240 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 10:46:36,680 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 10:46:38,311 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 10:46:41,118 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 10:46:41,119 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 216 [2020-09-25 10:46:41,119 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 4 [2020-09-25 10:46:41,119 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5108 [2020-09-25 10:46:41,119 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 10:46:41,120 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.1 [2020-09-25 10:46:41,120 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 10:46:41,120 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 76 [2020-09-25 10:46:41,120 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 136 [2020-09-25 10:46:41,120 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 10:46:41,787 WARN L193 SmtUtils]: Spent 219.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-09-25 10:46:41,788 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-25 10:46:41,833 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 10:46:41,884 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 10:46:42,126 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 10:46:42,126 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 84 [2020-09-25 10:46:42,126 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 10:46:42,127 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 292 [2020-09-25 10:46:42,127 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 10:46:42,127 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.1 [2020-09-25 10:46:42,127 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 10:46:42,127 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 10:46:42,128 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 72 [2020-09-25 10:46:42,128 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 10:46:42,259 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2020-09-25 10:46:42,264 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 10:46:42,277 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 10:46:42,339 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 10:46:42,339 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 17 [2020-09-25 10:46:42,340 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 10:46:42,340 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 73 [2020-09-25 10:46:42,343 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 10:46:42,344 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.1 [2020-09-25 10:46:42,344 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 10:46:42,346 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 10:46:42,347 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 13 [2020-09-25 10:46:42,347 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 3 [2020-09-25 10:46:42,373 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 121 [2020-09-25 10:46:42,379 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 10:46:42,392 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 10:46:42,450 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 10:46:42,450 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 17 [2020-09-25 10:46:42,451 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 10:46:42,451 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 70 [2020-09-25 10:46:42,451 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 10:46:42,451 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.1 [2020-09-25 10:46:42,451 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 10:46:42,452 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 10:46:42,452 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 13 [2020-09-25 10:46:42,452 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 10:46:42,480 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 144 [2020-09-25 10:46:42,483 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 10:46:42,493 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 10:46:42,530 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 10:46:42,530 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 10:46:42,530 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 10:46:42,531 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 46 [2020-09-25 10:46:42,531 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 10:46:42,531 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.1 [2020-09-25 10:46:42,531 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 10:46:42,531 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 10:46:42,532 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-25 10:46:42,532 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 10:46:42,565 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 147 [2020-09-25 10:46:42,570 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 10:46:42,581 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 10:46:42,608 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 10:46:42,749 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 10:46:42,749 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-09-25 10:46:42,749 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-09-25 10:46:42,750 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 178 [2020-09-25 10:46:42,750 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 10:46:42,750 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.1 [2020-09-25 10:46:42,750 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 10:46:42,750 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 10:46:42,751 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-09-25 10:46:42,751 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 10:46:42,774 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 153 [2020-09-25 10:46:42,779 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 10:46:42,790 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 10:46:42,816 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 10:46:42,956 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 10:46:42,956 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-09-25 10:46:42,956 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-09-25 10:46:42,957 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 176 [2020-09-25 10:46:42,957 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 10:46:42,957 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.1 [2020-09-25 10:46:42,957 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 10:46:42,957 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 10:46:42,958 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-09-25 10:46:42,958 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 10:46:42,981 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 177 [2020-09-25 10:46:42,985 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 10:46:42,996 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 10:46:43,069 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 10:46:43,070 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 15 [2020-09-25 10:46:43,070 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 10:46:43,070 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 83 [2020-09-25 10:46:43,071 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 10:46:43,071 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.1 [2020-09-25 10:46:43,071 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 10:46:43,072 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 10:46:43,072 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 11 [2020-09-25 10:46:43,072 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 10:46:43,089 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-25 10:46:43,090 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 10:46:43,103 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 10:46:43,137 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 10:46:43,137 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-09-25 10:46:43,138 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 10:46:43,138 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 45 [2020-09-25 10:46:43,138 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 10:46:43,139 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.1 [2020-09-25 10:46:43,139 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 10:46:43,140 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 10:46:43,140 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 10:46:43,140 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 10:46:43,313 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 10:46:43,314 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1423676508] [2020-09-25 10:46:43,314 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-25 10:46:43,315 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2020-09-25 10:46:43,315 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1797568872] [2020-09-25 10:46:43,319 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-09-25 10:46:43,319 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-25 10:46:43,319 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-09-25 10:46:43,320 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2020-09-25 10:46:43,320 INFO L87 Difference]: Start difference. First operand 1058 states and 1178 transitions. Second operand 7 states. [2020-09-25 10:46:43,641 WARN L193 SmtUtils]: Spent 310.00 ms on a formula simplification that was a NOOP. DAG size: 196 [2020-09-25 10:46:44,453 WARN L193 SmtUtils]: Spent 296.00 ms on a formula simplification that was a NOOP. DAG size: 200 [2020-09-25 10:46:44,843 WARN L193 SmtUtils]: Spent 286.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-25 10:46:45,423 WARN L193 SmtUtils]: Spent 294.00 ms on a formula simplification that was a NOOP. DAG size: 194 [2020-09-25 10:46:51,308 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-25 10:46:51,308 INFO L93 Difference]: Finished difference Result 1313 states and 1535 transitions. [2020-09-25 10:46:51,310 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2020-09-25 10:46:51,310 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 191 [2020-09-25 10:46:51,311 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-25 10:46:51,319 INFO L225 Difference]: With dead ends: 1313 [2020-09-25 10:46:51,319 INFO L226 Difference]: Without dead ends: 1310 [2020-09-25 10:46:51,321 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 10:46:51,324 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1310 states. [2020-09-25 10:46:51,396 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1310 to 1057. [2020-09-25 10:46:51,396 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1057 states. [2020-09-25 10:46:51,402 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1057 states to 1057 states and 1176 transitions. [2020-09-25 10:46:51,402 INFO L78 Accepts]: Start accepts. Automaton has 1057 states and 1176 transitions. Word has length 191 [2020-09-25 10:46:51,403 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-25 10:46:51,403 INFO L479 AbstractCegarLoop]: Abstraction has 1057 states and 1176 transitions. [2020-09-25 10:46:51,403 INFO L480 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-09-25 10:46:51,403 INFO L276 IsEmpty]: Start isEmpty. Operand 1057 states and 1176 transitions. [2020-09-25 10:46:51,406 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 193 [2020-09-25 10:46:51,406 INFO L414 BasicCegarLoop]: Found error trace [2020-09-25 10:46:51,406 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 10:46:51,407 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-09-25 10:46:51,407 INFO L427 AbstractCegarLoop]: === Iteration 3 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-25 10:46:51,407 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-25 10:46:51,407 INFO L82 PathProgramCache]: Analyzing trace with hash -1774672941, now seen corresponding path program 1 times [2020-09-25 10:46:51,408 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-25 10:46:51,408 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [43988281] [2020-09-25 10:46:51,408 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-25 10:46:51,485 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 10:46:51,571 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 10:46:51,714 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 10:46:52,053 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 10:46:53,555 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 10:46:56,489 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 10:46:56,490 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 217 [2020-09-25 10:46:56,490 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 4 [2020-09-25 10:46:56,490 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5001 [2020-09-25 10:46:56,490 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 10:46:56,491 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.1 [2020-09-25 10:46:56,491 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 10:46:56,491 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 77 [2020-09-25 10:46:56,491 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 136 [2020-09-25 10:46:56,491 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 10:46:57,023 WARN L193 SmtUtils]: Spent 221.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-09-25 10:46:57,028 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-25 10:46:57,075 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 10:46:57,120 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 10:46:57,371 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 10:46:57,372 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 84 [2020-09-25 10:46:57,372 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 10:46:57,372 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 295 [2020-09-25 10:46:57,372 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 10:46:57,372 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.1 [2020-09-25 10:46:57,373 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 10:46:57,373 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 10:46:57,373 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 73 [2020-09-25 10:46:57,373 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 10:46:57,473 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2020-09-25 10:46:57,478 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 10:46:57,489 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 10:46:57,541 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 10:46:57,541 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 17 [2020-09-25 10:46:57,541 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 10:46:57,542 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 62 [2020-09-25 10:46:57,542 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 10:46:57,542 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.1 [2020-09-25 10:46:57,542 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 10:46:57,543 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 10:46:57,543 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 13 [2020-09-25 10:46:57,543 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 10:46:57,569 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 121 [2020-09-25 10:46:57,574 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 10:46:57,588 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 10:46:57,650 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 10:46:57,650 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 17 [2020-09-25 10:46:57,651 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 10:46:57,651 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 75 [2020-09-25 10:46:57,651 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 10:46:57,652 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.1 [2020-09-25 10:46:57,652 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 10:46:57,652 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 10:46:57,653 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 13 [2020-09-25 10:46:57,653 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 10:46:57,681 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 144 [2020-09-25 10:46:57,684 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 10:46:57,696 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 10:46:57,729 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 10:46:57,729 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 10:46:57,730 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 10:46:57,730 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 43 [2020-09-25 10:46:57,730 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 10:46:57,730 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.1 [2020-09-25 10:46:57,730 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 10:46:57,731 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 10:46:57,731 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-25 10:46:57,731 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 10:46:57,764 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 147 [2020-09-25 10:46:57,769 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 10:46:57,782 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 10:46:57,807 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 10:46:57,958 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 10:46:57,959 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-09-25 10:46:57,959 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-09-25 10:46:57,960 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 188 [2020-09-25 10:46:57,960 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 10:46:57,960 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.1 [2020-09-25 10:46:57,961 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 10:46:57,961 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 10:46:57,961 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-09-25 10:46:57,962 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 10:46:57,984 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 153 [2020-09-25 10:46:57,989 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 10:46:58,002 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 10:46:58,029 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 10:46:58,177 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 10:46:58,178 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-09-25 10:46:58,178 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-09-25 10:46:58,178 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 187 [2020-09-25 10:46:58,179 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 10:46:58,179 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.1 [2020-09-25 10:46:58,179 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 10:46:58,180 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 10:46:58,180 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-09-25 10:46:58,180 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 10:46:58,204 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 177 [2020-09-25 10:46:58,209 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 10:46:58,222 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 10:46:58,276 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 10:46:58,276 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 15 [2020-09-25 10:46:58,276 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 10:46:58,277 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 66 [2020-09-25 10:46:58,277 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 10:46:58,277 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.1 [2020-09-25 10:46:58,277 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 10:46:58,278 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 10:46:58,278 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 11 [2020-09-25 10:46:58,278 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 10:46:58,295 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-25 10:46:58,296 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 10:46:58,316 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 10:46:58,351 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 10:46:58,352 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-09-25 10:46:58,352 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 10:46:58,353 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 55 [2020-09-25 10:46:58,353 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 10:46:58,353 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.1 [2020-09-25 10:46:58,354 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 10:46:58,354 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 10:46:58,355 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 10:46:58,355 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 10:46:58,455 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 10:46:58,456 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [43988281] [2020-09-25 10:46:58,456 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-25 10:46:58,457 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2020-09-25 10:46:58,457 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [953014148] [2020-09-25 10:46:58,458 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2020-09-25 10:46:58,458 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-25 10:46:58,458 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2020-09-25 10:46:58,459 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2020-09-25 10:46:58,459 INFO L87 Difference]: Start difference. First operand 1057 states and 1176 transitions. Second operand 6 states. [2020-09-25 10:46:58,733 WARN L193 SmtUtils]: Spent 259.00 ms on a formula simplification that was a NOOP. DAG size: 196 [2020-09-25 10:46:59,409 WARN L193 SmtUtils]: Spent 302.00 ms on a formula simplification that was a NOOP. DAG size: 198 [2020-09-25 10:46:59,796 WARN L193 SmtUtils]: Spent 283.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-25 10:47:00,345 WARN L193 SmtUtils]: Spent 295.00 ms on a formula simplification that was a NOOP. DAG size: 192