/usr/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata ./data -tc ../../../trunk/examples/toolchains/AutomizerC.xml --traceabstraction.trace.refinement.strategy FIXED_PREFERENCES --traceabstraction.compute.interpolants.along.a.counterexample Craig_NestedInterpolation --traceabstraction.smt.solver Internal_SMTInterpol --traceabstraction.compute.trace.for.counterexample.result false --rcfgbuilder.size.of.a.code.block SequenceOfStatements --traceabstraction.use.minimal.unsat.core.enumeration true --traceabstraction.additional.smt.options produce-proofs=true --traceabstraction.additional.smt.options produce-unsat-cores=true --traceabstraction.additional.smt.options enumeration-timeout=5000 --traceabstraction.additional.smt.options interpolation-heuristic=SMALLESTAMONGWIDE --traceabstraction.additional.smt.options tolerance=0.3 --traceabstraction.additional.smt.options log-additional-information=true --traceabstraction.additional.smt.options unknown-allowed=true -s ../../../trunk/examples/settings/default/automizer/svcomp-Reach-64bit-Automizer_Default.epf language data_model -i ../../../trunk/examples/svcomp/ldv-linux-3.12-rc1/linux-3.12-rc1.tar.xz-144_2a-drivers--net--arcnet--com90xx.ko-entry_point.cil.out.i -------------------------------------------------------------------------------- This is Ultimate 0.2.0-0f64333 [2020-10-29 16:42:11,596 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-10-29 16:42:11,600 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-10-29 16:42:11,659 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-10-29 16:42:11,660 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-10-29 16:42:11,667 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-10-29 16:42:11,669 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-10-29 16:42:11,674 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-10-29 16:42:11,678 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-10-29 16:42:11,684 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-10-29 16:42:11,686 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-10-29 16:42:11,688 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-10-29 16:42:11,688 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-10-29 16:42:11,693 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-10-29 16:42:11,695 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-10-29 16:42:11,698 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-10-29 16:42:11,699 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-10-29 16:42:11,702 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-10-29 16:42:11,709 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-10-29 16:42:11,717 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-10-29 16:42:11,720 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-10-29 16:42:11,721 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-10-29 16:42:11,723 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-10-29 16:42:11,726 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-10-29 16:42:11,734 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-10-29 16:42:11,735 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-10-29 16:42:11,735 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-10-29 16:42:11,737 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-10-29 16:42:11,738 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-10-29 16:42:11,739 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-10-29 16:42:11,740 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-10-29 16:42:11,740 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-10-29 16:42:11,742 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-10-29 16:42:11,743 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-10-29 16:42:11,745 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-10-29 16:42:11,772 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-10-29 16:42:11,773 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-10-29 16:42:11,773 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-10-29 16:42:11,774 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-10-29 16:42:11,778 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-10-29 16:42:11,779 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-10-29 16:42:11,780 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/default/automizer/svcomp-Reach-64bit-Automizer_Default.epf [2020-10-29 16:42:11,843 INFO L113 SettingsManager]: Loading preferences was successful [2020-10-29 16:42:11,843 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-10-29 16:42:11,848 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-10-29 16:42:11,849 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-10-29 16:42:11,849 INFO L138 SettingsManager]: * Use SBE=true [2020-10-29 16:42:11,849 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-10-29 16:42:11,849 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-10-29 16:42:11,850 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-10-29 16:42:11,850 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-10-29 16:42:11,850 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-10-29 16:42:11,851 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-10-29 16:42:11,852 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-10-29 16:42:11,852 INFO L138 SettingsManager]: * Use constant arrays=true [2020-10-29 16:42:11,852 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-10-29 16:42:11,852 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-10-29 16:42:11,853 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-10-29 16:42:11,853 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-10-29 16:42:11,853 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-10-29 16:42:11,853 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-10-29 16:42:11,854 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-10-29 16:42:11,854 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-10-29 16:42:11,854 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-10-29 16:42:11,855 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-10-29 16:42:11,855 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-10-29 16:42:11,855 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-10-29 16:42:11,855 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-10-29 16:42:11,856 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2020-10-29 16:42:11,856 INFO L138 SettingsManager]: * To the following directory=dump/ WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Trace refinement strategy -> FIXED_PREFERENCES Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute Interpolants along a Counterexample -> Craig_NestedInterpolation Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: SMT solver -> Internal_SMTInterpol Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute trace for counterexample result -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder: Size of a code block -> SequenceOfStatements Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Use minimal unsat core enumeration -> true Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=5000;interpolation-heuristic=SMALLESTAMONGWIDE;tolerance=0.3;log-additional-information=true;unknown-allowed=true; [2020-10-29 16:42:12,293 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-10-29 16:42:12,342 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-10-29 16:42:12,345 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-10-29 16:42:12,347 INFO L271 PluginConnector]: Initializing CDTParser... [2020-10-29 16:42:12,348 INFO L275 PluginConnector]: CDTParser initialized [2020-10-29 16:42:12,349 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/ldv-linux-3.12-rc1/linux-3.12-rc1.tar.xz-144_2a-drivers--net--arcnet--com90xx.ko-entry_point.cil.out.i [2020-10-29 16:42:12,436 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/6de89ccbc/78b94274d023439281808ea70cb27da0/FLAG082d79f39 [2020-10-29 16:42:13,562 INFO L306 CDTParser]: Found 1 translation units. [2020-10-29 16:42:13,564 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--arcnet--com90xx.ko-entry_point.cil.out.i [2020-10-29 16:42:13,602 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/6de89ccbc/78b94274d023439281808ea70cb27da0/FLAG082d79f39 [2020-10-29 16:42:13,988 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/6de89ccbc/78b94274d023439281808ea70cb27da0 [2020-10-29 16:42:13,991 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-10-29 16:42:13,998 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-10-29 16:42:13,999 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-10-29 16:42:14,000 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-10-29 16:42:14,004 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-10-29 16:42:14,005 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 29.10 04:42:13" (1/1) ... [2020-10-29 16:42:14,008 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4a0d8c04 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 04:42:14, skipping insertion in model container [2020-10-29 16:42:14,008 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 29.10 04:42:13" (1/1) ... [2020-10-29 16:42:14,017 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-10-29 16:42:14,114 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-10-29 16:42:15,303 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-29 16:42:15,329 INFO L203 MainTranslator]: Completed pre-run [2020-10-29 16:42:15,664 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-29 16:42:15,740 INFO L208 MainTranslator]: Completed translation [2020-10-29 16:42:15,741 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 04:42:15 WrapperNode [2020-10-29 16:42:15,741 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-10-29 16:42:15,743 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-10-29 16:42:15,743 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-10-29 16:42:15,743 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-10-29 16:42:15,798 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 04:42:15" (1/1) ... [2020-10-29 16:42:15,799 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 04:42:15" (1/1) ... [2020-10-29 16:42:15,872 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 04:42:15" (1/1) ... [2020-10-29 16:42:15,873 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 04:42:15" (1/1) ... [2020-10-29 16:42:15,966 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 04:42:15" (1/1) ... [2020-10-29 16:42:15,981 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 04:42:15" (1/1) ... [2020-10-29 16:42:15,996 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 04:42:15" (1/1) ... [2020-10-29 16:42:16,015 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-10-29 16:42:16,016 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-10-29 16:42:16,016 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-10-29 16:42:16,016 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-10-29 16:42:16,017 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 04:42:15" (1/1) ... No working directory specified, using /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-10-29 16:42:16,109 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-10-29 16:42:16,110 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-10-29 16:42:16,110 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~VOID [2020-10-29 16:42:16,110 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error [2020-10-29 16:42:16,110 INFO L138 BoogieDeclarations]: Found implementation of procedure readb [2020-10-29 16:42:16,110 INFO L138 BoogieDeclarations]: Found implementation of procedure writeb [2020-10-29 16:42:16,111 INFO L138 BoogieDeclarations]: Found implementation of procedure ioremap [2020-10-29 16:42:16,111 INFO L138 BoogieDeclarations]: Found implementation of procedure memcpy_fromio [2020-10-29 16:42:16,111 INFO L138 BoogieDeclarations]: Found implementation of procedure memcpy_toio [2020-10-29 16:42:16,111 INFO L138 BoogieDeclarations]: Found implementation of procedure outb [2020-10-29 16:42:16,111 INFO L138 BoogieDeclarations]: Found implementation of procedure inb [2020-10-29 16:42:16,111 INFO L138 BoogieDeclarations]: Found implementation of procedure request_irq [2020-10-29 16:42:16,112 INFO L138 BoogieDeclarations]: Found implementation of procedure __kmalloc [2020-10-29 16:42:16,112 INFO L138 BoogieDeclarations]: Found implementation of procedure kmalloc [2020-10-29 16:42:16,112 INFO L138 BoogieDeclarations]: Found implementation of procedure kzalloc [2020-10-29 16:42:16,112 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2020-10-29 16:42:16,112 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2020-10-29 16:42:16,112 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_zalloc [2020-10-29 16:42:16,113 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undef_int [2020-10-29 16:42:16,113 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undef_ulong [2020-10-29 16:42:16,113 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_error [2020-10-29 16:42:16,113 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2020-10-29 16:42:16,113 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2020-10-29 16:42:16,113 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_trap [2020-10-29 16:42:16,114 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_priv [2020-10-29 16:42:16,114 INFO L138 BoogieDeclarations]: Found implementation of procedure com90xx_probe [2020-10-29 16:42:16,114 INFO L138 BoogieDeclarations]: Found implementation of procedure check_mirror [2020-10-29 16:42:16,114 INFO L138 BoogieDeclarations]: Found implementation of procedure com90xx_found [2020-10-29 16:42:16,114 INFO L138 BoogieDeclarations]: Found implementation of procedure com90xx_command [2020-10-29 16:42:16,114 INFO L138 BoogieDeclarations]: Found implementation of procedure com90xx_status [2020-10-29 16:42:16,115 INFO L138 BoogieDeclarations]: Found implementation of procedure com90xx_setmask [2020-10-29 16:42:16,115 INFO L138 BoogieDeclarations]: Found implementation of procedure com90xx_reset [2020-10-29 16:42:16,115 INFO L138 BoogieDeclarations]: Found implementation of procedure com90xx_copy_to_card [2020-10-29 16:42:16,115 INFO L138 BoogieDeclarations]: Found implementation of procedure com90xx_copy_from_card [2020-10-29 16:42:16,115 INFO L138 BoogieDeclarations]: Found implementation of procedure com90xx_init [2020-10-29 16:42:16,115 INFO L138 BoogieDeclarations]: Found implementation of procedure com90xx_exit [2020-10-29 16:42:16,115 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_irq_1 [2020-10-29 16:42:16,116 INFO L138 BoogieDeclarations]: Found implementation of procedure activate_suitable_irq_1 [2020-10-29 16:42:16,116 INFO L138 BoogieDeclarations]: Found implementation of procedure reg_check_1 [2020-10-29 16:42:16,116 INFO L138 BoogieDeclarations]: Found implementation of procedure choose_interrupt_1 [2020-10-29 16:42:16,116 INFO L138 BoogieDeclarations]: Found implementation of procedure disable_suitable_irq_1 [2020-10-29 16:42:16,116 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-10-29 16:42:16,116 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_request_irq_2 [2020-10-29 16:42:16,116 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_free_irq_3 [2020-10-29 16:42:16,117 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_free_irq_4 [2020-10-29 16:42:16,117 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop___0 [2020-10-29 16:42:16,117 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_get_intfdata [2020-10-29 16:42:16,117 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_set_intfdata [2020-10-29 16:42:16,117 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_put_intf [2020-10-29 16:42:16,117 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_free_urb [2020-10-29 16:42:16,117 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_fill_int_urb [2020-10-29 16:42:16,117 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_fill_bulk_urb [2020-10-29 16:42:16,118 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_submit_urb [2020-10-29 16:42:16,118 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_get_dev [2020-10-29 16:42:16,118 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_put_dev [2020-10-29 16:42:16,118 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_get_interface [2020-10-29 16:42:16,118 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_put_interface [2020-10-29 16:42:16,118 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_serial_register [2020-10-29 16:42:16,118 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_serial_deregister [2020-10-29 16:42:16,119 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_final_state [2020-10-29 16:42:16,119 INFO L138 BoogieDeclarations]: Found implementation of procedure __const_udelay [2020-10-29 16:42:16,119 INFO L138 BoogieDeclarations]: Found implementation of procedure __release_region [2020-10-29 16:42:16,119 INFO L138 BoogieDeclarations]: Found implementation of procedure __request_region [2020-10-29 16:42:16,119 INFO L138 BoogieDeclarations]: Found implementation of procedure alloc_arcdev [2020-10-29 16:42:16,119 INFO L138 BoogieDeclarations]: Found implementation of procedure arcnet_interrupt [2020-10-29 16:42:16,120 INFO L138 BoogieDeclarations]: Found implementation of procedure free_irq [2020-10-29 16:42:16,120 INFO L138 BoogieDeclarations]: Found implementation of procedure free_netdev [2020-10-29 16:42:16,120 INFO L138 BoogieDeclarations]: Found implementation of procedure ioremap_nocache [2020-10-29 16:42:16,120 INFO L138 BoogieDeclarations]: Found implementation of procedure iounmap [2020-10-29 16:42:16,120 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_initialize [2020-10-29 16:42:16,120 INFO L138 BoogieDeclarations]: Found implementation of procedure printk [2020-10-29 16:42:16,120 INFO L138 BoogieDeclarations]: Found implementation of procedure probe_irq_off [2020-10-29 16:42:16,120 INFO L138 BoogieDeclarations]: Found implementation of procedure probe_irq_on [2020-10-29 16:42:16,121 INFO L138 BoogieDeclarations]: Found implementation of procedure register_netdev [2020-10-29 16:42:16,121 INFO L138 BoogieDeclarations]: Found implementation of procedure request_threaded_irq [2020-10-29 16:42:16,121 INFO L138 BoogieDeclarations]: Found implementation of procedure unregister_netdev [2020-10-29 16:42:16,121 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree [2020-10-29 16:42:16,121 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.meminit [2020-10-29 16:42:16,122 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy [2020-10-29 16:42:16,122 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2020-10-29 16:42:16,122 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2020-10-29 16:42:16,122 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_perror_fail [2020-10-29 16:42:16,122 INFO L130 BoogieDeclarations]: Found specification of procedure __assert [2020-10-29 16:42:16,122 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error [2020-10-29 16:42:16,122 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-10-29 16:42:16,123 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2020-10-29 16:42:16,123 INFO L130 BoogieDeclarations]: Found specification of procedure printk [2020-10-29 16:42:16,123 INFO L130 BoogieDeclarations]: Found specification of procedure __const_udelay [2020-10-29 16:42:16,123 INFO L130 BoogieDeclarations]: Found specification of procedure __request_region [2020-10-29 16:42:16,123 INFO L130 BoogieDeclarations]: Found specification of procedure __release_region [2020-10-29 16:42:16,123 INFO L130 BoogieDeclarations]: Found specification of procedure readb [2020-10-29 16:42:16,123 INFO L130 BoogieDeclarations]: Found specification of procedure writeb [2020-10-29 16:42:16,124 INFO L130 BoogieDeclarations]: Found specification of procedure ioremap_nocache [2020-10-29 16:42:16,124 INFO L130 BoogieDeclarations]: Found specification of procedure ioremap [2020-10-29 16:42:16,124 INFO L130 BoogieDeclarations]: Found specification of procedure memcpy [2020-10-29 16:42:16,124 INFO L130 BoogieDeclarations]: Found specification of procedure iounmap [2020-10-29 16:42:16,124 INFO L130 BoogieDeclarations]: Found specification of procedure memcpy_fromio [2020-10-29 16:42:16,124 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy [2020-10-29 16:42:16,124 INFO L130 BoogieDeclarations]: Found specification of procedure memcpy_toio [2020-10-29 16:42:16,124 INFO L130 BoogieDeclarations]: Found specification of procedure outb [2020-10-29 16:42:16,125 INFO L130 BoogieDeclarations]: Found specification of procedure inb [2020-10-29 16:42:16,125 INFO L130 BoogieDeclarations]: Found specification of procedure request_threaded_irq [2020-10-29 16:42:16,125 INFO L130 BoogieDeclarations]: Found specification of procedure request_irq [2020-10-29 16:42:16,125 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_request_irq_2 [2020-10-29 16:42:16,125 INFO L130 BoogieDeclarations]: Found specification of procedure free_irq [2020-10-29 16:42:16,125 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_free_irq_3 [2020-10-29 16:42:16,125 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_free_irq_4 [2020-10-29 16:42:16,126 INFO L130 BoogieDeclarations]: Found specification of procedure probe_irq_on [2020-10-29 16:42:16,126 INFO L130 BoogieDeclarations]: Found specification of procedure probe_irq_off [2020-10-29 16:42:16,126 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2020-10-29 16:42:16,126 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2020-10-29 16:42:16,126 INFO L130 BoogieDeclarations]: Found specification of procedure __kmalloc [2020-10-29 16:42:16,126 INFO L130 BoogieDeclarations]: Found specification of procedure kmalloc [2020-10-29 16:42:16,126 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_zalloc [2020-10-29 16:42:16,127 INFO L130 BoogieDeclarations]: Found specification of procedure kzalloc [2020-10-29 16:42:16,127 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2020-10-29 16:42:16,127 INFO L130 BoogieDeclarations]: Found specification of procedure calloc [2020-10-29 16:42:16,127 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2020-10-29 16:42:16,127 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_ulong [2020-10-29 16:42:16,127 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2020-10-29 16:42:16,127 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2020-10-29 16:42:16,128 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.meminit [2020-10-29 16:42:16,128 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undef_int [2020-10-29 16:42:16,128 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undef_ulong [2020-10-29 16:42:16,128 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_error [2020-10-29 16:42:16,128 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2020-10-29 16:42:16,128 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_trap [2020-10-29 16:42:16,128 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_irq_1 [2020-10-29 16:42:16,129 INFO L130 BoogieDeclarations]: Found specification of procedure activate_suitable_irq_1 [2020-10-29 16:42:16,129 INFO L130 BoogieDeclarations]: Found specification of procedure reg_check_1 [2020-10-29 16:42:16,129 INFO L130 BoogieDeclarations]: Found specification of procedure choose_interrupt_1 [2020-10-29 16:42:16,129 INFO L130 BoogieDeclarations]: Found specification of procedure disable_suitable_irq_1 [2020-10-29 16:42:16,129 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_priv [2020-10-29 16:42:16,129 INFO L130 BoogieDeclarations]: Found specification of procedure free_netdev [2020-10-29 16:42:16,129 INFO L130 BoogieDeclarations]: Found specification of procedure register_netdev [2020-10-29 16:42:16,130 INFO L130 BoogieDeclarations]: Found specification of procedure unregister_netdev [2020-10-29 16:42:16,130 INFO L130 BoogieDeclarations]: Found specification of procedure arcnet_interrupt [2020-10-29 16:42:16,130 INFO L130 BoogieDeclarations]: Found specification of procedure alloc_arcdev [2020-10-29 16:42:16,130 INFO L130 BoogieDeclarations]: Found specification of procedure com90xx_found [2020-10-29 16:42:16,130 INFO L130 BoogieDeclarations]: Found specification of procedure com90xx_command [2020-10-29 16:42:16,130 INFO L130 BoogieDeclarations]: Found specification of procedure com90xx_status [2020-10-29 16:42:16,130 INFO L130 BoogieDeclarations]: Found specification of procedure com90xx_setmask [2020-10-29 16:42:16,131 INFO L130 BoogieDeclarations]: Found specification of procedure com90xx_reset [2020-10-29 16:42:16,131 INFO L130 BoogieDeclarations]: Found specification of procedure com90xx_copy_to_card [2020-10-29 16:42:16,131 INFO L130 BoogieDeclarations]: Found specification of procedure com90xx_copy_from_card [2020-10-29 16:42:16,131 INFO L130 BoogieDeclarations]: Found specification of procedure com90xx_probe [2020-10-29 16:42:16,131 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-10-29 16:42:16,131 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2020-10-29 16:42:16,131 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-10-29 16:42:16,132 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2020-10-29 16:42:16,132 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2020-10-29 16:42:16,132 INFO L130 BoogieDeclarations]: Found specification of procedure check_mirror [2020-10-29 16:42:16,132 INFO L130 BoogieDeclarations]: Found specification of procedure com90xx_init [2020-10-29 16:42:16,132 INFO L130 BoogieDeclarations]: Found specification of procedure com90xx_exit [2020-10-29 16:42:16,132 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_initialize [2020-10-29 16:42:16,132 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_final_state [2020-10-29 16:42:16,133 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-10-29 16:42:16,133 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop___0 [2020-10-29 16:42:16,133 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_get_intfdata [2020-10-29 16:42:16,133 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_set_intfdata [2020-10-29 16:42:16,133 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_put_intf [2020-10-29 16:42:16,133 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_free_urb [2020-10-29 16:42:16,133 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_fill_int_urb [2020-10-29 16:42:16,133 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_fill_bulk_urb [2020-10-29 16:42:16,134 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_submit_urb [2020-10-29 16:42:16,134 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~VOID [2020-10-29 16:42:16,134 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_get_dev [2020-10-29 16:42:16,134 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_put_dev [2020-10-29 16:42:16,134 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_get_interface [2020-10-29 16:42:16,134 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_put_interface [2020-10-29 16:42:16,134 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_serial_register [2020-10-29 16:42:16,134 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_serial_deregister [2020-10-29 16:42:16,135 INFO L130 BoogieDeclarations]: Found specification of procedure free [2020-10-29 16:42:16,135 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-10-29 16:42:16,135 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-10-29 16:42:16,135 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-10-29 16:42:16,135 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2020-10-29 16:42:16,135 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2020-10-29 16:42:16,135 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2020-10-29 16:42:16,135 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int [2020-10-29 16:42:16,932 INFO L751 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stopFINAL: assume true; [2020-10-29 16:42:20,365 INFO L751 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stop___0FINAL: assume true; [2020-10-29 16:42:20,657 INFO L293 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-10-29 16:42:20,657 INFO L298 CfgBuilder]: Removed 1 assume(true) statements. [2020-10-29 16:42:20,666 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.10 04:42:20 BoogieIcfgContainer [2020-10-29 16:42:20,667 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-10-29 16:42:20,668 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-10-29 16:42:20,668 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-10-29 16:42:20,675 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-10-29 16:42:20,676 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 29.10 04:42:13" (1/3) ... [2020-10-29 16:42:20,677 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@79c323b6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 29.10 04:42:20, skipping insertion in model container [2020-10-29 16:42:20,677 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 04:42:15" (2/3) ... [2020-10-29 16:42:20,677 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@79c323b6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 29.10 04:42:20, skipping insertion in model container [2020-10-29 16:42:20,677 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.10 04:42:20" (3/3) ... [2020-10-29 16:42:20,680 INFO L111 eAbstractionObserver]: Analyzing ICFG linux-3.12-rc1.tar.xz-144_2a-drivers--net--arcnet--com90xx.ko-entry_point.cil.out.i [2020-10-29 16:42:20,693 INFO L164 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:Craig_NestedInterpolation Determinization: PREDICATE_ABSTRACTION [2020-10-29 16:42:20,700 INFO L176 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-10-29 16:42:20,714 INFO L253 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-10-29 16:42:20,758 INFO L377 AbstractCegarLoop]: Interprodecural is true [2020-10-29 16:42:20,758 INFO L378 AbstractCegarLoop]: Hoare is true [2020-10-29 16:42:20,758 INFO L379 AbstractCegarLoop]: Compute interpolants for Craig_NestedInterpolation [2020-10-29 16:42:20,758 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-10-29 16:42:20,758 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-10-29 16:42:20,758 INFO L382 AbstractCegarLoop]: Difference is false [2020-10-29 16:42:20,758 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-10-29 16:42:20,759 INFO L387 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-10-29 16:42:20,790 INFO L276 IsEmpty]: Start isEmpty. Operand 612 states. [2020-10-29 16:42:20,800 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2020-10-29 16:42:20,800 INFO L414 BasicCegarLoop]: Found error trace [2020-10-29 16:42:20,801 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-29 16:42:20,802 INFO L429 AbstractCegarLoop]: === Iteration 1 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-29 16:42:20,808 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-29 16:42:20,808 INFO L82 PathProgramCache]: Analyzing trace with hash 2041011933, now seen corresponding path program 1 times [2020-10-29 16:42:20,818 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-29 16:42:20,819 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1976582763] [2020-10-29 16:42:20,819 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-29 16:42:21,337 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 16:42:21,515 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 16:42:21,818 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 16:42:23,472 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 16:42:23,472 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 44 [2020-10-29 16:42:23,472 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-29 16:42:23,473 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2129 [2020-10-29 16:42:23,476 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 16:42:23,476 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 16:42:23,477 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 16:42:23,477 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-29 16:42:23,477 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 31 [2020-10-29 16:42:23,477 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 4 [2020-10-29 16:42:25,620 WARN L193 SmtUtils]: Spent 1.96 s on a formula simplification that was a NOOP. DAG size: 568 [2020-10-29 16:42:25,628 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-29 16:42:25,697 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 16:42:25,748 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 16:42:26,236 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 16:42:26,236 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-29 16:42:26,236 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 16:42:26,237 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 537 [2020-10-29 16:42:26,237 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 16:42:26,237 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 16:42:26,237 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 16:42:26,238 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 16:42:26,238 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-10-29 16:42:26,238 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-29 16:42:26,317 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-29 16:42:26,324 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 16:42:26,329 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 16:42:26,337 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 16:42:26,337 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-29 16:42:26,337 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 16:42:26,337 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 11 [2020-10-29 16:42:26,338 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 16:42:26,338 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 16:42:26,338 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 16:42:26,338 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 16:42:26,339 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-10-29 16:42:26,339 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-29 16:42:26,375 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2020-10-29 16:42:26,379 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 16:42:26,386 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 16:42:26,394 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 16:42:26,395 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-29 16:42:26,395 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 16:42:26,399 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 14 [2020-10-29 16:42:26,399 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 16:42:26,399 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 16:42:26,400 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 16:42:26,400 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 16:42:26,401 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-29 16:42:26,401 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-29 16:42:26,435 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-29 16:42:26,436 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1976582763] [2020-10-29 16:42:26,439 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-29 16:42:26,439 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2020-10-29 16:42:26,447 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [674605590] [2020-10-29 16:42:26,453 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-10-29 16:42:26,454 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-29 16:42:26,471 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-10-29 16:42:26,472 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-10-29 16:42:26,475 INFO L87 Difference]: Start difference. First operand 612 states. Second operand 5 states. [2020-10-29 16:42:29,270 WARN L193 SmtUtils]: Spent 2.15 s on a formula simplification that was a NOOP. DAG size: 571 [2020-10-29 16:42:42,393 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-29 16:42:42,393 INFO L93 Difference]: Finished difference Result 1325 states and 1957 transitions. [2020-10-29 16:42:42,403 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2020-10-29 16:42:42,404 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 28 [2020-10-29 16:42:42,405 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-29 16:42:42,431 INFO L225 Difference]: With dead ends: 1325 [2020-10-29 16:42:42,432 INFO L226 Difference]: Without dead ends: 770 [2020-10-29 16:42:42,443 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 6 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 4.2s TimeCoverageRelationStatistics Valid=18, Invalid=24, Unknown=0, NotChecked=0, Total=42 [2020-10-29 16:42:42,463 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 770 states. [2020-10-29 16:42:42,751 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 770 to 531. [2020-10-29 16:42:42,752 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 531 states. [2020-10-29 16:42:42,763 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 531 states to 531 states and 742 transitions. [2020-10-29 16:42:42,766 INFO L78 Accepts]: Start accepts. Automaton has 531 states and 742 transitions. Word has length 28 [2020-10-29 16:42:42,767 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-29 16:42:42,768 INFO L481 AbstractCegarLoop]: Abstraction has 531 states and 742 transitions. [2020-10-29 16:42:42,768 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-10-29 16:42:42,768 INFO L276 IsEmpty]: Start isEmpty. Operand 531 states and 742 transitions. [2020-10-29 16:42:42,780 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2020-10-29 16:42:42,780 INFO L414 BasicCegarLoop]: Found error trace [2020-10-29 16:42:42,780 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-29 16:42:42,780 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-10-29 16:42:42,781 INFO L429 AbstractCegarLoop]: === Iteration 2 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-29 16:42:42,781 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-29 16:42:42,782 INFO L82 PathProgramCache]: Analyzing trace with hash -1494817327, now seen corresponding path program 1 times [2020-10-29 16:42:42,783 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-29 16:42:42,783 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1760651970] [2020-10-29 16:42:42,784 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-29 16:42:42,935 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 16:42:43,015 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 16:42:43,181 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 16:42:44,366 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 16:42:44,367 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 45 [2020-10-29 16:42:44,367 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-29 16:42:44,367 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1430 [2020-10-29 16:42:44,368 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 16:42:44,368 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 16:42:44,368 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 16:42:44,368 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-29 16:42:44,368 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 32 [2020-10-29 16:42:44,368 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 16:42:46,643 WARN L193 SmtUtils]: Spent 2.15 s on a formula simplification that was a NOOP. DAG size: 568 [2020-10-29 16:42:46,645 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-29 16:42:46,697 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 16:42:46,734 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 16:42:47,095 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 16:42:47,095 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-29 16:42:47,096 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 16:42:47,096 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 397 [2020-10-29 16:42:47,096 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 16:42:47,096 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 16:42:47,097 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 16:42:47,097 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 16:42:47,097 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-10-29 16:42:47,097 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-29 16:42:47,169 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-29 16:42:47,172 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 16:42:47,176 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 16:42:47,182 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 16:42:47,183 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-29 16:42:47,183 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 16:42:47,183 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 9 [2020-10-29 16:42:47,183 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 16:42:47,183 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 16:42:47,184 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 16:42:47,184 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 16:42:47,184 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-10-29 16:42:47,185 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-29 16:42:47,212 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2020-10-29 16:42:47,217 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 16:42:47,224 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 16:42:47,232 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 16:42:47,232 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-29 16:42:47,233 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 16:42:47,233 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 14 [2020-10-29 16:42:47,233 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 16:42:47,233 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 16:42:47,234 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 16:42:47,234 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 16:42:47,234 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-29 16:42:47,234 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-29 16:42:47,258 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-29 16:42:47,258 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1760651970] [2020-10-29 16:42:47,259 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-29 16:42:47,259 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2020-10-29 16:42:47,259 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1131772120] [2020-10-29 16:42:47,261 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-10-29 16:42:47,261 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-29 16:42:47,262 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-10-29 16:42:47,262 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-10-29 16:42:47,262 INFO L87 Difference]: Start difference. First operand 531 states and 742 transitions. Second operand 5 states. [2020-10-29 16:42:49,956 WARN L193 SmtUtils]: Spent 2.09 s on a formula simplification that was a NOOP. DAG size: 571 [2020-10-29 16:43:02,233 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-29 16:43:02,234 INFO L93 Difference]: Finished difference Result 774 states and 1126 transitions. [2020-10-29 16:43:02,236 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2020-10-29 16:43:02,236 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 29 [2020-10-29 16:43:02,236 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-29 16:43:02,244 INFO L225 Difference]: With dead ends: 774 [2020-10-29 16:43:02,244 INFO L226 Difference]: Without dead ends: 769 [2020-10-29 16:43:02,245 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 6 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 4.3s TimeCoverageRelationStatistics Valid=18, Invalid=24, Unknown=0, NotChecked=0, Total=42 [2020-10-29 16:43:02,247 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 769 states. [2020-10-29 16:43:02,433 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 769 to 530. [2020-10-29 16:43:02,434 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 530 states. [2020-10-29 16:43:02,439 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 530 states to 530 states and 740 transitions. [2020-10-29 16:43:02,440 INFO L78 Accepts]: Start accepts. Automaton has 530 states and 740 transitions. Word has length 29 [2020-10-29 16:43:02,441 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-29 16:43:02,441 INFO L481 AbstractCegarLoop]: Abstraction has 530 states and 740 transitions. [2020-10-29 16:43:02,441 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-10-29 16:43:02,442 INFO L276 IsEmpty]: Start isEmpty. Operand 530 states and 740 transitions. [2020-10-29 16:43:02,444 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2020-10-29 16:43:02,447 INFO L414 BasicCegarLoop]: Found error trace [2020-10-29 16:43:02,447 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-29 16:43:02,448 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-10-29 16:43:02,448 INFO L429 AbstractCegarLoop]: === Iteration 3 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-29 16:43:02,449 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-29 16:43:02,449 INFO L82 PathProgramCache]: Analyzing trace with hash 568302496, now seen corresponding path program 1 times [2020-10-29 16:43:02,449 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-29 16:43:02,450 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1740506569] [2020-10-29 16:43:02,450 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-29 16:43:02,513 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 16:43:02,567 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 16:43:02,659 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 16:43:03,748 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 16:43:03,748 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 46 [2020-10-29 16:43:03,748 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-29 16:43:03,748 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1232 [2020-10-29 16:43:03,749 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 16:43:03,749 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 16:43:03,749 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 16:43:03,749 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-29 16:43:03,750 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 33 [2020-10-29 16:43:03,750 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-29 16:43:05,908 WARN L193 SmtUtils]: Spent 2.04 s on a formula simplification that was a NOOP. DAG size: 568 [2020-10-29 16:43:05,910 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-29 16:43:05,992 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 16:43:06,030 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 16:43:06,337 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 16:43:06,337 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-29 16:43:06,337 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 16:43:06,338 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 339 [2020-10-29 16:43:06,338 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 16:43:06,338 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 16:43:06,339 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 16:43:06,339 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 16:43:06,339 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-10-29 16:43:06,339 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-29 16:43:06,407 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-29 16:43:06,409 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 16:43:06,413 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 16:43:06,416 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 16:43:06,417 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-29 16:43:06,417 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 16:43:06,417 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-29 16:43:06,418 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 16:43:06,418 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 16:43:06,418 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 16:43:06,418 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 16:43:06,419 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-10-29 16:43:06,419 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-29 16:43:06,446 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2020-10-29 16:43:06,448 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 16:43:06,455 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 16:43:06,462 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 16:43:06,462 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-29 16:43:06,462 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 16:43:06,463 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 13 [2020-10-29 16:43:06,463 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 16:43:06,463 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 16:43:06,464 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 16:43:06,464 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 16:43:06,464 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-29 16:43:06,465 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-29 16:43:06,481 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-29 16:43:06,481 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1740506569] [2020-10-29 16:43:06,482 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-29 16:43:06,482 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2020-10-29 16:43:06,482 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1905899538] [2020-10-29 16:43:06,484 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-10-29 16:43:06,484 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-29 16:43:06,485 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-10-29 16:43:06,485 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-10-29 16:43:06,485 INFO L87 Difference]: Start difference. First operand 530 states and 740 transitions. Second operand 5 states. [2020-10-29 16:43:09,166 WARN L193 SmtUtils]: Spent 2.05 s on a formula simplification that was a NOOP. DAG size: 570 [2020-10-29 16:43:20,553 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-29 16:43:20,553 INFO L93 Difference]: Finished difference Result 773 states and 1124 transitions. [2020-10-29 16:43:20,561 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2020-10-29 16:43:20,561 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 30 [2020-10-29 16:43:20,561 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-29 16:43:20,567 INFO L225 Difference]: With dead ends: 773 [2020-10-29 16:43:20,567 INFO L226 Difference]: Without dead ends: 768 [2020-10-29 16:43:20,568 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 6 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 4.1s TimeCoverageRelationStatistics Valid=18, Invalid=24, Unknown=0, NotChecked=0, Total=42 [2020-10-29 16:43:20,570 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 768 states. [2020-10-29 16:43:20,748 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 768 to 529. [2020-10-29 16:43:20,748 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 529 states. [2020-10-29 16:43:20,752 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 529 states to 529 states and 738 transitions. [2020-10-29 16:43:20,752 INFO L78 Accepts]: Start accepts. Automaton has 529 states and 738 transitions. Word has length 30 [2020-10-29 16:43:20,752 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-29 16:43:20,752 INFO L481 AbstractCegarLoop]: Abstraction has 529 states and 738 transitions. [2020-10-29 16:43:20,752 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-10-29 16:43:20,753 INFO L276 IsEmpty]: Start isEmpty. Operand 529 states and 738 transitions. [2020-10-29 16:43:20,754 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2020-10-29 16:43:20,754 INFO L414 BasicCegarLoop]: Found error trace [2020-10-29 16:43:20,754 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-29 16:43:20,754 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-10-29 16:43:20,754 INFO L429 AbstractCegarLoop]: === Iteration 4 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-29 16:43:20,755 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-29 16:43:20,755 INFO L82 PathProgramCache]: Analyzing trace with hash 105184756, now seen corresponding path program 1 times [2020-10-29 16:43:20,755 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-29 16:43:20,755 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1031506927] [2020-10-29 16:43:20,755 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-29 16:43:20,813 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 16:43:20,859 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 16:43:21,061 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 16:43:21,792 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 16:43:21,792 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 47 [2020-10-29 16:43:21,792 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-29 16:43:21,793 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 977 [2020-10-29 16:43:21,793 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 16:43:21,793 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 16:43:21,793 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 16:43:21,793 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-29 16:43:21,793 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 34 [2020-10-29 16:43:21,794 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 16:43:23,946 WARN L193 SmtUtils]: Spent 2.05 s on a formula simplification that was a NOOP. DAG size: 568 [2020-10-29 16:43:23,948 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-29 16:43:23,989 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 16:43:24,019 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 16:43:24,348 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 16:43:24,349 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-29 16:43:24,349 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 16:43:24,349 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 358 [2020-10-29 16:43:24,349 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 16:43:24,350 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 16:43:24,350 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 16:43:24,350 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 16:43:24,350 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-10-29 16:43:24,350 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 16:43:24,398 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-29 16:43:24,400 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 16:43:24,403 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 16:43:24,407 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 16:43:24,408 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-29 16:43:24,408 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 16:43:24,408 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-10-29 16:43:24,408 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 16:43:24,409 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 16:43:24,409 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 16:43:24,409 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 16:43:24,409 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-10-29 16:43:24,409 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-29 16:43:24,435 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2020-10-29 16:43:24,438 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 16:43:24,441 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 16:43:24,449 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 16:43:24,449 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-29 16:43:24,449 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 16:43:24,449 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 10 [2020-10-29 16:43:24,450 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 16:43:24,450 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 16:43:24,450 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 16:43:24,450 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 16:43:24,450 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-29 16:43:24,451 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-29 16:43:24,466 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-29 16:43:24,467 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1031506927] [2020-10-29 16:43:24,467 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-29 16:43:24,467 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2020-10-29 16:43:24,467 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1873442255] [2020-10-29 16:43:24,468 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-10-29 16:43:24,468 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-29 16:43:24,468 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-10-29 16:43:24,470 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-10-29 16:43:24,470 INFO L87 Difference]: Start difference. First operand 529 states and 738 transitions. Second operand 5 states. [2020-10-29 16:43:27,191 WARN L193 SmtUtils]: Spent 2.08 s on a formula simplification that was a NOOP. DAG size: 570 [2020-10-29 16:43:38,784 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-29 16:43:38,784 INFO L93 Difference]: Finished difference Result 772 states and 1122 transitions. [2020-10-29 16:43:38,792 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2020-10-29 16:43:38,792 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 31 [2020-10-29 16:43:38,793 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-29 16:43:38,798 INFO L225 Difference]: With dead ends: 772 [2020-10-29 16:43:38,798 INFO L226 Difference]: Without dead ends: 767 [2020-10-29 16:43:38,800 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 6 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 4.2s TimeCoverageRelationStatistics Valid=18, Invalid=24, Unknown=0, NotChecked=0, Total=42 [2020-10-29 16:43:38,802 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 767 states. [2020-10-29 16:43:38,959 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 767 to 528. [2020-10-29 16:43:38,959 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 528 states. [2020-10-29 16:43:38,963 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 528 states to 528 states and 736 transitions. [2020-10-29 16:43:38,963 INFO L78 Accepts]: Start accepts. Automaton has 528 states and 736 transitions. Word has length 31 [2020-10-29 16:43:38,963 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-29 16:43:38,963 INFO L481 AbstractCegarLoop]: Abstraction has 528 states and 736 transitions. [2020-10-29 16:43:38,963 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-10-29 16:43:38,964 INFO L276 IsEmpty]: Start isEmpty. Operand 528 states and 736 transitions. [2020-10-29 16:43:38,965 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2020-10-29 16:43:38,965 INFO L414 BasicCegarLoop]: Found error trace [2020-10-29 16:43:38,965 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-29 16:43:38,965 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2020-10-29 16:43:38,965 INFO L429 AbstractCegarLoop]: === Iteration 5 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-29 16:43:38,966 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-29 16:43:38,966 INFO L82 PathProgramCache]: Analyzing trace with hash -1361886109, now seen corresponding path program 1 times [2020-10-29 16:43:38,966 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-29 16:43:38,966 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [587946178] [2020-10-29 16:43:38,966 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-29 16:43:39,021 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 16:43:39,067 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 16:43:39,148 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 16:43:40,116 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 16:43:40,116 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 48 [2020-10-29 16:43:40,116 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-29 16:43:40,116 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1093 [2020-10-29 16:43:40,117 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 16:43:40,117 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 16:43:40,117 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 16:43:40,117 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-29 16:43:40,117 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 35 [2020-10-29 16:43:40,117 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 16:43:42,309 WARN L193 SmtUtils]: Spent 2.08 s on a formula simplification that was a NOOP. DAG size: 568 [2020-10-29 16:43:42,310 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-29 16:43:42,352 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 16:43:42,388 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 16:43:42,705 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 16:43:42,705 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-29 16:43:42,705 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 16:43:42,705 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 352 [2020-10-29 16:43:42,706 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 16:43:42,706 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 16:43:42,706 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 16:43:42,706 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 16:43:42,706 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-10-29 16:43:42,706 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 16:43:42,751 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-29 16:43:42,753 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 16:43:42,757 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 16:43:42,759 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 16:43:42,760 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-29 16:43:42,760 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 16:43:42,760 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-29 16:43:42,760 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 16:43:42,761 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 16:43:42,761 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 16:43:42,761 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 16:43:42,761 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-10-29 16:43:42,761 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 16:43:42,785 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2020-10-29 16:43:42,787 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 16:43:42,791 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 16:43:42,797 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 16:43:42,797 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-29 16:43:42,798 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 16:43:42,798 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 9 [2020-10-29 16:43:42,798 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 16:43:42,798 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 16:43:42,798 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 16:43:42,799 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 16:43:42,799 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-29 16:43:42,799 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 16:43:42,814 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-29 16:43:42,814 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [587946178] [2020-10-29 16:43:42,815 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-29 16:43:42,815 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2020-10-29 16:43:42,815 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1546792513] [2020-10-29 16:43:42,816 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-10-29 16:43:42,817 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-29 16:43:42,818 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-10-29 16:43:42,823 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-10-29 16:43:42,823 INFO L87 Difference]: Start difference. First operand 528 states and 736 transitions. Second operand 5 states. [2020-10-29 16:43:45,356 WARN L193 SmtUtils]: Spent 2.08 s on a formula simplification that was a NOOP. DAG size: 570 [2020-10-29 16:43:57,099 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-29 16:43:57,100 INFO L93 Difference]: Finished difference Result 767 states and 1117 transitions. [2020-10-29 16:43:57,101 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2020-10-29 16:43:57,101 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 32 [2020-10-29 16:43:57,102 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-29 16:43:57,102 INFO L225 Difference]: With dead ends: 767 [2020-10-29 16:43:57,102 INFO L226 Difference]: Without dead ends: 0 [2020-10-29 16:43:57,106 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 6 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 4.2s TimeCoverageRelationStatistics Valid=18, Invalid=24, Unknown=0, NotChecked=0, Total=42 [2020-10-29 16:43:57,107 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2020-10-29 16:43:57,107 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2020-10-29 16:43:57,107 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2020-10-29 16:43:57,107 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2020-10-29 16:43:57,108 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 32 [2020-10-29 16:43:57,108 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-29 16:43:57,108 INFO L481 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-10-29 16:43:57,108 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-10-29 16:43:57,108 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2020-10-29 16:43:57,108 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-10-29 16:43:57,109 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2020-10-29 16:43:57,111 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2020-10-29 16:43:57,386 WARN L193 SmtUtils]: Spent 261.00 ms on a formula simplification that was a NOOP. DAG size: 576 [2020-10-29 16:43:57,629 WARN L193 SmtUtils]: Spent 238.00 ms on a formula simplification that was a NOOP. DAG size: 576 [2020-10-29 16:43:57,848 WARN L193 SmtUtils]: Spent 216.00 ms on a formula simplification that was a NOOP. DAG size: 576 [2020-10-29 16:43:58,041 WARN L193 SmtUtils]: Spent 191.00 ms on a formula simplification that was a NOOP. DAG size: 576 [2020-10-29 16:43:58,196 WARN L193 SmtUtils]: Spent 153.00 ms on a formula simplification that was a NOOP. DAG size: 576 [2020-10-29 16:43:58,317 WARN L193 SmtUtils]: Spent 118.00 ms on a formula simplification that was a NOOP. DAG size: 576 [2020-10-29 16:43:58,422 WARN L193 SmtUtils]: Spent 103.00 ms on a formula simplification that was a NOOP. DAG size: 576 [2020-10-29 16:43:58,542 WARN L193 SmtUtils]: Spent 118.00 ms on a formula simplification that was a NOOP. DAG size: 576 [2020-10-29 16:43:58,651 WARN L193 SmtUtils]: Spent 106.00 ms on a formula simplification that was a NOOP. DAG size: 576 [2020-10-29 16:43:58,839 WARN L193 SmtUtils]: Spent 146.00 ms on a formula simplification that was a NOOP. DAG size: 576 [2020-10-29 16:43:59,213 WARN L193 SmtUtils]: Spent 371.00 ms on a formula simplification. DAG size of input: 590 DAG size of output: 23 [2020-10-29 16:43:59,567 WARN L193 SmtUtils]: Spent 352.00 ms on a formula simplification. DAG size of input: 590 DAG size of output: 23 [2020-10-29 16:44:00,189 WARN L193 SmtUtils]: Spent 601.00 ms on a formula simplification. DAG size of input: 590 DAG size of output: 524 [2020-10-29 16:44:00,709 WARN L193 SmtUtils]: Spent 517.00 ms on a formula simplification. DAG size of input: 590 DAG size of output: 524 [2020-10-29 16:44:02,521 WARN L193 SmtUtils]: Spent 181.00 ms on a formula simplification. DAG size of input: 590 DAG size of output: 23 [2020-10-29 16:44:02,753 WARN L193 SmtUtils]: Spent 231.00 ms on a formula simplification. DAG size of input: 590 DAG size of output: 23 [2020-10-29 16:44:02,894 WARN L193 SmtUtils]: Spent 106.00 ms on a formula simplification that was a NOOP. DAG size: 576 [2020-10-29 16:44:02,998 WARN L193 SmtUtils]: Spent 102.00 ms on a formula simplification that was a NOOP. DAG size: 576 [2020-10-29 16:44:03,536 WARN L193 SmtUtils]: Spent 358.00 ms on a formula simplification. DAG size of input: 590 DAG size of output: 524 [2020-10-29 16:44:03,870 WARN L193 SmtUtils]: Spent 332.00 ms on a formula simplification. DAG size of input: 590 DAG size of output: 524 [2020-10-29 16:44:04,478 WARN L193 SmtUtils]: Spent 166.00 ms on a formula simplification. DAG size of input: 590 DAG size of output: 23 [2020-10-29 16:44:04,642 WARN L193 SmtUtils]: Spent 162.00 ms on a formula simplification. DAG size of input: 590 DAG size of output: 23 [2020-10-29 16:44:05,253 WARN L193 SmtUtils]: Spent 323.00 ms on a formula simplification. DAG size of input: 590 DAG size of output: 524 [2020-10-29 16:44:05,593 WARN L193 SmtUtils]: Spent 338.00 ms on a formula simplification. DAG size of input: 590 DAG size of output: 524 [2020-10-29 16:44:08,180 WARN L193 SmtUtils]: Spent 326.00 ms on a formula simplification. DAG size of input: 590 DAG size of output: 524 [2020-10-29 16:44:08,511 WARN L193 SmtUtils]: Spent 329.00 ms on a formula simplification. DAG size of input: 590 DAG size of output: 524 [2020-10-29 16:44:08,752 WARN L193 SmtUtils]: Spent 168.00 ms on a formula simplification. DAG size of input: 590 DAG size of output: 23 [2020-10-29 16:44:08,919 WARN L193 SmtUtils]: Spent 164.00 ms on a formula simplification. DAG size of input: 590 DAG size of output: 23 [2020-10-29 16:44:09,336 WARN L193 SmtUtils]: Spent 328.00 ms on a formula simplification. DAG size of input: 590 DAG size of output: 524 [2020-10-29 16:44:09,674 WARN L193 SmtUtils]: Spent 333.00 ms on a formula simplification. DAG size of input: 590 DAG size of output: 524 [2020-10-29 16:44:09,998 WARN L193 SmtUtils]: Spent 322.00 ms on a formula simplification. DAG size of input: 590 DAG size of output: 524 [2020-10-29 16:44:10,340 WARN L193 SmtUtils]: Spent 340.00 ms on a formula simplification. DAG size of input: 590 DAG size of output: 524 [2020-10-29 16:44:10,665 WARN L193 SmtUtils]: Spent 323.00 ms on a formula simplification. DAG size of input: 590 DAG size of output: 524 [2020-10-29 16:44:10,995 WARN L193 SmtUtils]: Spent 327.00 ms on a formula simplification. DAG size of input: 590 DAG size of output: 524 [2020-10-29 16:44:11,321 WARN L193 SmtUtils]: Spent 324.00 ms on a formula simplification. DAG size of input: 590 DAG size of output: 524 [2020-10-29 16:44:11,645 WARN L193 SmtUtils]: Spent 322.00 ms on a formula simplification. DAG size of input: 590 DAG size of output: 524 [2020-10-29 16:44:13,099 WARN L193 SmtUtils]: Spent 323.00 ms on a formula simplification. DAG size of input: 590 DAG size of output: 524 [2020-10-29 16:44:13,432 WARN L193 SmtUtils]: Spent 331.00 ms on a formula simplification. DAG size of input: 590 DAG size of output: 524 [2020-10-29 16:44:13,609 WARN L193 SmtUtils]: Spent 168.00 ms on a formula simplification. DAG size of input: 590 DAG size of output: 23 [2020-10-29 16:44:13,775 WARN L193 SmtUtils]: Spent 164.00 ms on a formula simplification. DAG size of input: 590 DAG size of output: 23 [2020-10-29 16:44:13,940 WARN L193 SmtUtils]: Spent 163.00 ms on a formula simplification. DAG size of input: 590 DAG size of output: 23 [2020-10-29 16:44:14,103 WARN L193 SmtUtils]: Spent 161.00 ms on a formula simplification. DAG size of input: 590 DAG size of output: 23 [2020-10-29 16:44:15,783 WARN L193 SmtUtils]: Spent 326.00 ms on a formula simplification. DAG size of input: 590 DAG size of output: 524 [2020-10-29 16:44:16,115 WARN L193 SmtUtils]: Spent 329.00 ms on a formula simplification. DAG size of input: 590 DAG size of output: 524 [2020-10-29 16:44:16,438 WARN L193 SmtUtils]: Spent 320.00 ms on a formula simplification. DAG size of input: 590 DAG size of output: 524 [2020-10-29 16:44:16,766 WARN L193 SmtUtils]: Spent 326.00 ms on a formula simplification. DAG size of input: 590 DAG size of output: 524 [2020-10-29 16:44:17,089 WARN L193 SmtUtils]: Spent 321.00 ms on a formula simplification. DAG size of input: 590 DAG size of output: 524 [2020-10-29 16:44:17,416 WARN L193 SmtUtils]: Spent 324.00 ms on a formula simplification. DAG size of input: 590 DAG size of output: 524 [2020-10-29 16:44:17,744 WARN L193 SmtUtils]: Spent 326.00 ms on a formula simplification. DAG size of input: 590 DAG size of output: 524 [2020-10-29 16:44:18,068 WARN L193 SmtUtils]: Spent 322.00 ms on a formula simplification. DAG size of input: 590 DAG size of output: 524 [2020-10-29 16:44:19,850 WARN L193 SmtUtils]: Spent 167.00 ms on a formula simplification. DAG size of input: 590 DAG size of output: 23 [2020-10-29 16:44:20,016 WARN L193 SmtUtils]: Spent 165.00 ms on a formula simplification. DAG size of input: 590 DAG size of output: 23 [2020-10-29 16:44:20,871 WARN L193 SmtUtils]: Spent 324.00 ms on a formula simplification. DAG size of input: 590 DAG size of output: 524 [2020-10-29 16:44:21,193 WARN L193 SmtUtils]: Spent 320.00 ms on a formula simplification. DAG size of input: 590 DAG size of output: 524 [2020-10-29 16:44:21,796 WARN L193 SmtUtils]: Spent 323.00 ms on a formula simplification. DAG size of input: 590 DAG size of output: 524 [2020-10-29 16:44:22,126 WARN L193 SmtUtils]: Spent 328.00 ms on a formula simplification. DAG size of input: 590 DAG size of output: 524 [2020-10-29 16:44:22,298 WARN L193 SmtUtils]: Spent 169.00 ms on a formula simplification. DAG size of input: 590 DAG size of output: 23 [2020-10-29 16:44:22,471 WARN L193 SmtUtils]: Spent 171.00 ms on a formula simplification. DAG size of input: 590 DAG size of output: 23 [2020-10-29 16:44:22,984 WARN L193 SmtUtils]: Spent 326.00 ms on a formula simplification. DAG size of input: 590 DAG size of output: 524 [2020-10-29 16:44:23,309 WARN L193 SmtUtils]: Spent 322.00 ms on a formula simplification. DAG size of input: 590 DAG size of output: 524 [2020-10-29 16:44:23,638 WARN L193 SmtUtils]: Spent 327.00 ms on a formula simplification. DAG size of input: 590 DAG size of output: 524 [2020-10-29 16:44:23,965 WARN L193 SmtUtils]: Spent 325.00 ms on a formula simplification. DAG size of input: 590 DAG size of output: 524 [2020-10-29 16:44:24,292 WARN L193 SmtUtils]: Spent 324.00 ms on a formula simplification. DAG size of input: 590 DAG size of output: 524 [2020-10-29 16:44:24,618 WARN L193 SmtUtils]: Spent 323.00 ms on a formula simplification. DAG size of input: 590 DAG size of output: 524 [2020-10-29 16:44:24,943 WARN L193 SmtUtils]: Spent 323.00 ms on a formula simplification. DAG size of input: 590 DAG size of output: 524 [2020-10-29 16:44:25,265 WARN L193 SmtUtils]: Spent 320.00 ms on a formula simplification. DAG size of input: 590 DAG size of output: 524 [2020-10-29 16:44:27,195 WARN L193 SmtUtils]: Spent 322.00 ms on a formula simplification. DAG size of input: 590 DAG size of output: 524 [2020-10-29 16:44:27,518 WARN L193 SmtUtils]: Spent 321.00 ms on a formula simplification. DAG size of input: 590 DAG size of output: 524 [2020-10-29 16:44:27,951 WARN L193 SmtUtils]: Spent 163.00 ms on a formula simplification. DAG size of input: 590 DAG size of output: 23 [2020-10-29 16:44:28,113 WARN L193 SmtUtils]: Spent 161.00 ms on a formula simplification. DAG size of input: 590 DAG size of output: 23 [2020-10-29 16:44:28,652 WARN L193 SmtUtils]: Spent 329.00 ms on a formula simplification. DAG size of input: 590 DAG size of output: 524 [2020-10-29 16:44:28,981 WARN L193 SmtUtils]: Spent 327.00 ms on a formula simplification. DAG size of input: 590 DAG size of output: 524 [2020-10-29 16:44:29,315 WARN L193 SmtUtils]: Spent 331.00 ms on a formula simplification. DAG size of input: 590 DAG size of output: 524 [2020-10-29 16:44:29,652 WARN L193 SmtUtils]: Spent 335.00 ms on a formula simplification. DAG size of input: 590 DAG size of output: 524 [2020-10-29 16:44:30,591 WARN L193 SmtUtils]: Spent 324.00 ms on a formula simplification. DAG size of input: 590 DAG size of output: 524 [2020-10-29 16:44:30,913 WARN L193 SmtUtils]: Spent 320.00 ms on a formula simplification. DAG size of input: 590 DAG size of output: 524 [2020-10-29 16:44:32,137 WARN L193 SmtUtils]: Spent 322.00 ms on a formula simplification. DAG size of input: 590 DAG size of output: 524 [2020-10-29 16:44:32,460 WARN L193 SmtUtils]: Spent 321.00 ms on a formula simplification. DAG size of input: 590 DAG size of output: 524 [2020-10-29 16:44:32,782 WARN L193 SmtUtils]: Spent 320.00 ms on a formula simplification. DAG size of input: 590 DAG size of output: 524 [2020-10-29 16:44:33,108 WARN L193 SmtUtils]: Spent 325.00 ms on a formula simplification. DAG size of input: 590 DAG size of output: 524 [2020-10-29 16:44:33,434 WARN L193 SmtUtils]: Spent 323.00 ms on a formula simplification. DAG size of input: 590 DAG size of output: 524 [2020-10-29 16:44:33,775 WARN L193 SmtUtils]: Spent 338.00 ms on a formula simplification. DAG size of input: 590 DAG size of output: 524 [2020-10-29 16:44:34,099 WARN L193 SmtUtils]: Spent 323.00 ms on a formula simplification. DAG size of input: 590 DAG size of output: 524 [2020-10-29 16:44:34,435 WARN L193 SmtUtils]: Spent 334.00 ms on a formula simplification. DAG size of input: 590 DAG size of output: 524 [2020-10-29 16:44:35,185 WARN L193 SmtUtils]: Spent 166.00 ms on a formula simplification. DAG size of input: 590 DAG size of output: 23 [2020-10-29 16:44:35,351 WARN L193 SmtUtils]: Spent 164.00 ms on a formula simplification. DAG size of input: 590 DAG size of output: 23 [2020-10-29 16:44:37,129 WARN L193 SmtUtils]: Spent 1.76 s on a formula simplification. DAG size of input: 397 DAG size of output: 30 [2020-10-29 16:44:38,998 WARN L193 SmtUtils]: Spent 1.81 s on a formula simplification. DAG size of input: 411 DAG size of output: 72 [2020-10-29 16:44:40,160 WARN L193 SmtUtils]: Spent 1.12 s on a formula simplification. DAG size of input: 379 DAG size of output: 37 [2020-10-29 16:44:41,975 WARN L193 SmtUtils]: Spent 1.70 s on a formula simplification. DAG size of input: 397 DAG size of output: 30 [2020-10-29 16:44:43,806 WARN L193 SmtUtils]: Spent 1.83 s on a formula simplification. DAG size of input: 416 DAG size of output: 87 [2020-10-29 16:44:45,570 WARN L193 SmtUtils]: Spent 1.76 s on a formula simplification. DAG size of input: 397 DAG size of output: 30 [2020-10-29 16:44:47,318 WARN L193 SmtUtils]: Spent 1.71 s on a formula simplification. DAG size of input: 397 DAG size of output: 30 [2020-10-29 16:44:48,983 WARN L193 SmtUtils]: Spent 1.66 s on a formula simplification. DAG size of input: 396 DAG size of output: 26 [2020-10-29 16:44:51,210 WARN L193 SmtUtils]: Spent 1.84 s on a formula simplification. DAG size of input: 422 DAG size of output: 105 [2020-10-29 16:44:52,973 WARN L193 SmtUtils]: Spent 1.65 s on a formula simplification. DAG size of input: 397 DAG size of output: 30 [2020-10-29 16:44:54,859 WARN L193 SmtUtils]: Spent 1.68 s on a formula simplification. DAG size of input: 397 DAG size of output: 30 [2020-10-29 16:44:56,611 WARN L193 SmtUtils]: Spent 1.69 s on a formula simplification. DAG size of input: 397 DAG size of output: 30 [2020-10-29 16:44:57,863 WARN L193 SmtUtils]: Spent 1.08 s on a formula simplification. DAG size of input: 379 DAG size of output: 37 [2020-10-29 16:44:59,629 WARN L193 SmtUtils]: Spent 1.69 s on a formula simplification. DAG size of input: 399 DAG size of output: 36 [2020-10-29 16:45:01,438 WARN L193 SmtUtils]: Spent 1.73 s on a formula simplification. DAG size of input: 399 DAG size of output: 36 [2020-10-29 16:45:03,308 WARN L193 SmtUtils]: Spent 1.74 s on a formula simplification. DAG size of input: 397 DAG size of output: 30 [2020-10-29 16:45:05,119 WARN L193 SmtUtils]: Spent 1.79 s on a formula simplification. DAG size of input: 399 DAG size of output: 36 [2020-10-29 16:45:06,247 WARN L193 SmtUtils]: Spent 1.12 s on a formula simplification. DAG size of input: 379 DAG size of output: 37 [2020-10-29 16:45:07,995 WARN L193 SmtUtils]: Spent 1.74 s on a formula simplification. DAG size of input: 399 DAG size of output: 36 [2020-10-29 16:45:09,949 WARN L193 SmtUtils]: Spent 1.70 s on a formula simplification. DAG size of input: 397 DAG size of output: 30 [2020-10-29 16:45:11,411 WARN L193 SmtUtils]: Spent 1.09 s on a formula simplification. DAG size of input: 379 DAG size of output: 37 [2020-10-29 16:45:13,275 WARN L193 SmtUtils]: Spent 1.72 s on a formula simplification. DAG size of input: 397 DAG size of output: 30 [2020-10-29 16:45:14,275 WARN L193 SmtUtils]: Spent 977.00 ms on a formula simplification. DAG size of input: 361 DAG size of output: 1 [2020-10-29 16:45:16,102 WARN L193 SmtUtils]: Spent 1.77 s on a formula simplification. DAG size of input: 411 DAG size of output: 72 [2020-10-29 16:45:18,018 WARN L193 SmtUtils]: Spent 1.90 s on a formula simplification. DAG size of input: 422 DAG size of output: 105 [2020-10-29 16:45:19,856 WARN L193 SmtUtils]: Spent 1.83 s on a formula simplification. DAG size of input: 417 DAG size of output: 90 [2020-10-29 16:45:21,643 WARN L193 SmtUtils]: Spent 1.69 s on a formula simplification. DAG size of input: 397 DAG size of output: 30 [2020-10-29 16:45:22,744 WARN L193 SmtUtils]: Spent 1.10 s on a formula simplification. DAG size of input: 379 DAG size of output: 37 [2020-10-29 16:45:25,069 WARN L193 SmtUtils]: Spent 1.78 s on a formula simplification. DAG size of input: 411 DAG size of output: 72 [2020-10-29 16:45:26,882 WARN L193 SmtUtils]: Spent 1.73 s on a formula simplification. DAG size of input: 396 DAG size of output: 26 [2020-10-29 16:45:28,616 WARN L193 SmtUtils]: Spent 1.70 s on a formula simplification. DAG size of input: 397 DAG size of output: 30 [2020-10-29 16:45:30,633 WARN L193 SmtUtils]: Spent 1.74 s on a formula simplification. DAG size of input: 397 DAG size of output: 30 [2020-10-29 16:45:31,617 WARN L193 SmtUtils]: Spent 957.00 ms on a formula simplification. DAG size of input: 361 DAG size of output: 1 [2020-10-29 16:45:33,685 WARN L193 SmtUtils]: Spent 1.82 s on a formula simplification. DAG size of input: 416 DAG size of output: 87 [2020-10-29 16:45:34,816 WARN L193 SmtUtils]: Spent 1.09 s on a formula simplification. DAG size of input: 379 DAG size of output: 37 [2020-10-29 16:45:36,581 WARN L193 SmtUtils]: Spent 1.71 s on a formula simplification. DAG size of input: 399 DAG size of output: 36 [2020-10-29 16:45:37,698 WARN L193 SmtUtils]: Spent 1.10 s on a formula simplification. DAG size of input: 380 DAG size of output: 37 [2020-10-29 16:45:39,788 WARN L193 SmtUtils]: Spent 1.72 s on a formula simplification. DAG size of input: 397 DAG size of output: 30 [2020-10-29 16:45:41,668 WARN L193 SmtUtils]: Spent 1.88 s on a formula simplification. DAG size of input: 411 DAG size of output: 72 [2020-10-29 16:45:42,714 WARN L193 SmtUtils]: Spent 1.04 s on a formula simplification. DAG size of input: 361 DAG size of output: 1 [2020-10-29 16:45:44,530 WARN L193 SmtUtils]: Spent 1.79 s on a formula simplification. DAG size of input: 396 DAG size of output: 26 [2020-10-29 16:45:46,324 WARN L193 SmtUtils]: Spent 1.71 s on a formula simplification. DAG size of input: 397 DAG size of output: 30 [2020-10-29 16:45:48,192 WARN L193 SmtUtils]: Spent 1.81 s on a formula simplification. DAG size of input: 397 DAG size of output: 30 [2020-10-29 16:45:50,101 WARN L193 SmtUtils]: Spent 1.79 s on a formula simplification. DAG size of input: 399 DAG size of output: 36 [2020-10-29 16:45:51,870 WARN L193 SmtUtils]: Spent 1.68 s on a formula simplification. DAG size of input: 397 DAG size of output: 30 [2020-10-29 16:45:53,549 WARN L193 SmtUtils]: Spent 1.68 s on a formula simplification. DAG size of input: 397 DAG size of output: 30 [2020-10-29 16:45:54,640 WARN L193 SmtUtils]: Spent 1.09 s on a formula simplification. DAG size of input: 379 DAG size of output: 37 [2020-10-29 16:45:56,455 WARN L193 SmtUtils]: Spent 1.81 s on a formula simplification. DAG size of input: 399 DAG size of output: 36 [2020-10-29 16:45:58,315 WARN L193 SmtUtils]: Spent 1.84 s on a formula simplification. DAG size of input: 399 DAG size of output: 36 [2020-10-29 16:46:00,374 WARN L193 SmtUtils]: Spent 2.01 s on a formula simplification that was a NOOP. DAG size: 568 [2020-10-29 16:46:01,494 WARN L193 SmtUtils]: Spent 1.08 s on a formula simplification. DAG size of input: 379 DAG size of output: 37 [2020-10-29 16:46:02,586 WARN L193 SmtUtils]: Spent 1.09 s on a formula simplification. DAG size of input: 379 DAG size of output: 37 [2020-10-29 16:46:04,277 WARN L193 SmtUtils]: Spent 1.67 s on a formula simplification. DAG size of input: 397 DAG size of output: 30 [2020-10-29 16:46:06,379 WARN L193 SmtUtils]: Spent 1.93 s on a formula simplification. DAG size of input: 411 DAG size of output: 72