/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=SHALLOWEST --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 [2020-10-27 08:40:27,675 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-10-27 08:40:27,679 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-10-27 08:40:27,734 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-10-27 08:40:27,735 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-10-27 08:40:27,741 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-10-27 08:40:27,743 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-10-27 08:40:27,748 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-10-27 08:40:27,751 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-10-27 08:40:27,756 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-10-27 08:40:27,758 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-10-27 08:40:27,759 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-10-27 08:40:27,759 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-10-27 08:40:27,762 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-10-27 08:40:27,765 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-10-27 08:40:27,767 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-10-27 08:40:27,768 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-10-27 08:40:27,771 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-10-27 08:40:27,778 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-10-27 08:40:27,783 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-10-27 08:40:27,788 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-10-27 08:40:27,790 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-10-27 08:40:27,792 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-10-27 08:40:27,793 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-10-27 08:40:27,796 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-10-27 08:40:27,796 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-10-27 08:40:27,796 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-10-27 08:40:27,797 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-10-27 08:40:27,798 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-10-27 08:40:27,799 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-10-27 08:40:27,799 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-10-27 08:40:27,800 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-10-27 08:40:27,801 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-10-27 08:40:27,801 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-10-27 08:40:27,802 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-10-27 08:40:27,803 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-10-27 08:40:27,803 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-10-27 08:40:27,804 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-10-27 08:40:27,804 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-10-27 08:40:27,805 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-10-27 08:40:27,805 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-10-27 08:40:27,806 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 [2020-10-27 08:40:27,833 INFO L113 SettingsManager]: Loading preferences was successful [2020-10-27 08:40:27,834 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-10-27 08:40:27,835 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-10-27 08:40:27,835 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-10-27 08:40:27,835 INFO L138 SettingsManager]: * Use SBE=true [2020-10-27 08:40:27,836 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-10-27 08:40:27,836 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-10-27 08:40:27,836 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-10-27 08:40:27,836 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-10-27 08:40:27,836 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-10-27 08:40:27,837 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-10-27 08:40:27,837 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-10-27 08:40:27,837 INFO L138 SettingsManager]: * Use constant arrays=true [2020-10-27 08:40:27,837 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-10-27 08:40:27,837 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-10-27 08:40:27,838 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-10-27 08:40:27,838 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-10-27 08:40:27,838 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-10-27 08:40:27,838 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-10-27 08:40:27,838 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-10-27 08:40:27,839 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-10-27 08:40:27,839 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-10-27 08:40:27,839 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-10-27 08:40:27,839 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-10-27 08:40:27,839 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-10-27 08:40:27,840 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-10-27 08:40:27,840 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2020-10-27 08:40:27,840 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Trace refinement strategy -> FIXED_PREFERENCES Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute Interpolants along a Counterexample -> Craig_NestedInterpolation Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: SMT solver -> Internal_SMTInterpol Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute trace for counterexample result -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder: Size of a code block -> SequenceOfStatements Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Use minimal unsat core enumeration -> true Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=5000;interpolation-heuristic=SHALLOWEST;log-additional-information=true;unknown-allowed=true; [2020-10-27 08:40:28,278 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-10-27 08:40:28,314 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-10-27 08:40:28,317 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-10-27 08:40:28,319 INFO L271 PluginConnector]: Initializing CDTParser... [2020-10-27 08:40:28,320 INFO L275 PluginConnector]: CDTParser initialized [2020-10-27 08:40:28,321 INFO L432 ainManager$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 [2020-10-27 08:40:28,408 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/484964309/69eab9d94360457a81661f2ab220aeab/FLAGa86276e37 [2020-10-27 08:40:29,353 INFO L306 CDTParser]: Found 1 translation units. [2020-10-27 08:40:29,354 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 [2020-10-27 08:40:29,413 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/484964309/69eab9d94360457a81661f2ab220aeab/FLAGa86276e37 [2020-10-27 08:40:29,889 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/484964309/69eab9d94360457a81661f2ab220aeab [2020-10-27 08:40:29,893 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-10-27 08:40:29,900 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-10-27 08:40:29,902 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-10-27 08:40:29,902 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-10-27 08:40:29,906 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-10-27 08:40:29,907 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.10 08:40:29" (1/1) ... [2020-10-27 08:40:29,913 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5c80edc7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 08:40:29, skipping insertion in model container [2020-10-27 08:40:29,913 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.10 08:40:29" (1/1) ... [2020-10-27 08:40:29,921 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-10-27 08:40:30,051 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-10-27 08:40:31,253 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-27 08:40:31,271 INFO L203 MainTranslator]: Completed pre-run [2020-10-27 08:40:31,523 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-27 08:40:31,594 INFO L208 MainTranslator]: Completed translation [2020-10-27 08:40:31,595 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 08:40:31 WrapperNode [2020-10-27 08:40:31,595 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-10-27 08:40:31,596 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-10-27 08:40:31,596 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-10-27 08:40:31,596 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-10-27 08:40:31,611 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 08:40:31" (1/1) ... [2020-10-27 08:40:31,612 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 08:40:31" (1/1) ... [2020-10-27 08:40:31,740 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 08:40:31" (1/1) ... [2020-10-27 08:40:31,741 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 08:40:31" (1/1) ... [2020-10-27 08:40:31,832 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 08:40:31" (1/1) ... [2020-10-27 08:40:31,860 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 08:40:31" (1/1) ... [2020-10-27 08:40:31,886 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 08:40:31" (1/1) ... [2020-10-27 08:40:31,904 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-10-27 08:40:31,905 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-10-27 08:40:31,905 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-10-27 08:40:31,905 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-10-27 08:40:31,907 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 08:40:31" (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 [2020-10-27 08:40:31,994 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-10-27 08:40:31,995 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-10-27 08:40:31,995 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~VOID [2020-10-27 08:40:31,995 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error [2020-10-27 08:40:31,995 INFO L138 BoogieDeclarations]: Found implementation of procedure readb [2020-10-27 08:40:31,996 INFO L138 BoogieDeclarations]: Found implementation of procedure writeb [2020-10-27 08:40:31,996 INFO L138 BoogieDeclarations]: Found implementation of procedure ioremap [2020-10-27 08:40:31,996 INFO L138 BoogieDeclarations]: Found implementation of procedure memcpy_fromio [2020-10-27 08:40:31,996 INFO L138 BoogieDeclarations]: Found implementation of procedure memcpy_toio [2020-10-27 08:40:31,996 INFO L138 BoogieDeclarations]: Found implementation of procedure outb [2020-10-27 08:40:31,996 INFO L138 BoogieDeclarations]: Found implementation of procedure inb [2020-10-27 08:40:31,996 INFO L138 BoogieDeclarations]: Found implementation of procedure request_irq [2020-10-27 08:40:31,997 INFO L138 BoogieDeclarations]: Found implementation of procedure __kmalloc [2020-10-27 08:40:31,997 INFO L138 BoogieDeclarations]: Found implementation of procedure kmalloc [2020-10-27 08:40:31,997 INFO L138 BoogieDeclarations]: Found implementation of procedure kzalloc [2020-10-27 08:40:31,997 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2020-10-27 08:40:31,997 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2020-10-27 08:40:31,998 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_zalloc [2020-10-27 08:40:31,998 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undef_int [2020-10-27 08:40:31,998 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undef_ulong [2020-10-27 08:40:31,998 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_error [2020-10-27 08:40:31,998 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2020-10-27 08:40:31,998 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2020-10-27 08:40:31,999 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_trap [2020-10-27 08:40:31,999 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_priv [2020-10-27 08:40:31,999 INFO L138 BoogieDeclarations]: Found implementation of procedure com90xx_probe [2020-10-27 08:40:31,999 INFO L138 BoogieDeclarations]: Found implementation of procedure check_mirror [2020-10-27 08:40:31,999 INFO L138 BoogieDeclarations]: Found implementation of procedure com90xx_found [2020-10-27 08:40:31,999 INFO L138 BoogieDeclarations]: Found implementation of procedure com90xx_command [2020-10-27 08:40:32,000 INFO L138 BoogieDeclarations]: Found implementation of procedure com90xx_status [2020-10-27 08:40:32,000 INFO L138 BoogieDeclarations]: Found implementation of procedure com90xx_setmask [2020-10-27 08:40:32,000 INFO L138 BoogieDeclarations]: Found implementation of procedure com90xx_reset [2020-10-27 08:40:32,000 INFO L138 BoogieDeclarations]: Found implementation of procedure com90xx_copy_to_card [2020-10-27 08:40:32,000 INFO L138 BoogieDeclarations]: Found implementation of procedure com90xx_copy_from_card [2020-10-27 08:40:32,000 INFO L138 BoogieDeclarations]: Found implementation of procedure com90xx_init [2020-10-27 08:40:32,000 INFO L138 BoogieDeclarations]: Found implementation of procedure com90xx_exit [2020-10-27 08:40:32,001 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_irq_1 [2020-10-27 08:40:32,001 INFO L138 BoogieDeclarations]: Found implementation of procedure activate_suitable_irq_1 [2020-10-27 08:40:32,001 INFO L138 BoogieDeclarations]: Found implementation of procedure reg_check_1 [2020-10-27 08:40:32,001 INFO L138 BoogieDeclarations]: Found implementation of procedure choose_interrupt_1 [2020-10-27 08:40:32,001 INFO L138 BoogieDeclarations]: Found implementation of procedure disable_suitable_irq_1 [2020-10-27 08:40:32,001 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-10-27 08:40:32,002 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_request_irq_2 [2020-10-27 08:40:32,002 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_free_irq_3 [2020-10-27 08:40:32,002 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_free_irq_4 [2020-10-27 08:40:32,002 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop___0 [2020-10-27 08:40:32,002 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_get_intfdata [2020-10-27 08:40:32,002 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_set_intfdata [2020-10-27 08:40:32,003 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_put_intf [2020-10-27 08:40:32,003 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_free_urb [2020-10-27 08:40:32,003 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_fill_int_urb [2020-10-27 08:40:32,003 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_fill_bulk_urb [2020-10-27 08:40:32,003 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_submit_urb [2020-10-27 08:40:32,003 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_get_dev [2020-10-27 08:40:32,004 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_put_dev [2020-10-27 08:40:32,004 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_get_interface [2020-10-27 08:40:32,004 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_put_interface [2020-10-27 08:40:32,004 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_serial_register [2020-10-27 08:40:32,004 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_serial_deregister [2020-10-27 08:40:32,004 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_final_state [2020-10-27 08:40:32,005 INFO L138 BoogieDeclarations]: Found implementation of procedure __const_udelay [2020-10-27 08:40:32,005 INFO L138 BoogieDeclarations]: Found implementation of procedure __release_region [2020-10-27 08:40:32,005 INFO L138 BoogieDeclarations]: Found implementation of procedure __request_region [2020-10-27 08:40:32,005 INFO L138 BoogieDeclarations]: Found implementation of procedure alloc_arcdev [2020-10-27 08:40:32,005 INFO L138 BoogieDeclarations]: Found implementation of procedure arcnet_interrupt [2020-10-27 08:40:32,005 INFO L138 BoogieDeclarations]: Found implementation of procedure free_irq [2020-10-27 08:40:32,005 INFO L138 BoogieDeclarations]: Found implementation of procedure free_netdev [2020-10-27 08:40:32,006 INFO L138 BoogieDeclarations]: Found implementation of procedure ioremap_nocache [2020-10-27 08:40:32,006 INFO L138 BoogieDeclarations]: Found implementation of procedure iounmap [2020-10-27 08:40:32,006 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_initialize [2020-10-27 08:40:32,006 INFO L138 BoogieDeclarations]: Found implementation of procedure printk [2020-10-27 08:40:32,006 INFO L138 BoogieDeclarations]: Found implementation of procedure probe_irq_off [2020-10-27 08:40:32,006 INFO L138 BoogieDeclarations]: Found implementation of procedure probe_irq_on [2020-10-27 08:40:32,006 INFO L138 BoogieDeclarations]: Found implementation of procedure register_netdev [2020-10-27 08:40:32,007 INFO L138 BoogieDeclarations]: Found implementation of procedure request_threaded_irq [2020-10-27 08:40:32,007 INFO L138 BoogieDeclarations]: Found implementation of procedure unregister_netdev [2020-10-27 08:40:32,007 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree [2020-10-27 08:40:32,007 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.meminit [2020-10-27 08:40:32,007 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy [2020-10-27 08:40:32,007 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2020-10-27 08:40:32,008 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2020-10-27 08:40:32,008 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_perror_fail [2020-10-27 08:40:32,008 INFO L130 BoogieDeclarations]: Found specification of procedure __assert [2020-10-27 08:40:32,008 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error [2020-10-27 08:40:32,008 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-10-27 08:40:32,008 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2020-10-27 08:40:32,008 INFO L130 BoogieDeclarations]: Found specification of procedure printk [2020-10-27 08:40:32,009 INFO L130 BoogieDeclarations]: Found specification of procedure __const_udelay [2020-10-27 08:40:32,009 INFO L130 BoogieDeclarations]: Found specification of procedure __request_region [2020-10-27 08:40:32,009 INFO L130 BoogieDeclarations]: Found specification of procedure __release_region [2020-10-27 08:40:32,009 INFO L130 BoogieDeclarations]: Found specification of procedure readb [2020-10-27 08:40:32,009 INFO L130 BoogieDeclarations]: Found specification of procedure writeb [2020-10-27 08:40:32,009 INFO L130 BoogieDeclarations]: Found specification of procedure ioremap_nocache [2020-10-27 08:40:32,009 INFO L130 BoogieDeclarations]: Found specification of procedure ioremap [2020-10-27 08:40:32,010 INFO L130 BoogieDeclarations]: Found specification of procedure memcpy [2020-10-27 08:40:32,010 INFO L130 BoogieDeclarations]: Found specification of procedure iounmap [2020-10-27 08:40:32,010 INFO L130 BoogieDeclarations]: Found specification of procedure memcpy_fromio [2020-10-27 08:40:32,010 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy [2020-10-27 08:40:32,010 INFO L130 BoogieDeclarations]: Found specification of procedure memcpy_toio [2020-10-27 08:40:32,010 INFO L130 BoogieDeclarations]: Found specification of procedure outb [2020-10-27 08:40:32,010 INFO L130 BoogieDeclarations]: Found specification of procedure inb [2020-10-27 08:40:32,011 INFO L130 BoogieDeclarations]: Found specification of procedure request_threaded_irq [2020-10-27 08:40:32,011 INFO L130 BoogieDeclarations]: Found specification of procedure request_irq [2020-10-27 08:40:32,011 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_request_irq_2 [2020-10-27 08:40:32,011 INFO L130 BoogieDeclarations]: Found specification of procedure free_irq [2020-10-27 08:40:32,011 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_free_irq_3 [2020-10-27 08:40:32,011 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_free_irq_4 [2020-10-27 08:40:32,011 INFO L130 BoogieDeclarations]: Found specification of procedure probe_irq_on [2020-10-27 08:40:32,012 INFO L130 BoogieDeclarations]: Found specification of procedure probe_irq_off [2020-10-27 08:40:32,012 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2020-10-27 08:40:32,012 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2020-10-27 08:40:32,012 INFO L130 BoogieDeclarations]: Found specification of procedure __kmalloc [2020-10-27 08:40:32,012 INFO L130 BoogieDeclarations]: Found specification of procedure kmalloc [2020-10-27 08:40:32,012 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_zalloc [2020-10-27 08:40:32,012 INFO L130 BoogieDeclarations]: Found specification of procedure kzalloc [2020-10-27 08:40:32,013 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2020-10-27 08:40:32,013 INFO L130 BoogieDeclarations]: Found specification of procedure calloc [2020-10-27 08:40:32,013 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2020-10-27 08:40:32,013 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_ulong [2020-10-27 08:40:32,013 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2020-10-27 08:40:32,013 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2020-10-27 08:40:32,013 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.meminit [2020-10-27 08:40:32,014 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undef_int [2020-10-27 08:40:32,014 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undef_ulong [2020-10-27 08:40:32,014 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_error [2020-10-27 08:40:32,014 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2020-10-27 08:40:32,014 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_trap [2020-10-27 08:40:32,014 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_irq_1 [2020-10-27 08:40:32,014 INFO L130 BoogieDeclarations]: Found specification of procedure activate_suitable_irq_1 [2020-10-27 08:40:32,015 INFO L130 BoogieDeclarations]: Found specification of procedure reg_check_1 [2020-10-27 08:40:32,015 INFO L130 BoogieDeclarations]: Found specification of procedure choose_interrupt_1 [2020-10-27 08:40:32,015 INFO L130 BoogieDeclarations]: Found specification of procedure disable_suitable_irq_1 [2020-10-27 08:40:32,015 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_priv [2020-10-27 08:40:32,015 INFO L130 BoogieDeclarations]: Found specification of procedure free_netdev [2020-10-27 08:40:32,015 INFO L130 BoogieDeclarations]: Found specification of procedure register_netdev [2020-10-27 08:40:32,015 INFO L130 BoogieDeclarations]: Found specification of procedure unregister_netdev [2020-10-27 08:40:32,016 INFO L130 BoogieDeclarations]: Found specification of procedure arcnet_interrupt [2020-10-27 08:40:32,016 INFO L130 BoogieDeclarations]: Found specification of procedure alloc_arcdev [2020-10-27 08:40:32,016 INFO L130 BoogieDeclarations]: Found specification of procedure com90xx_found [2020-10-27 08:40:32,016 INFO L130 BoogieDeclarations]: Found specification of procedure com90xx_command [2020-10-27 08:40:32,016 INFO L130 BoogieDeclarations]: Found specification of procedure com90xx_status [2020-10-27 08:40:32,016 INFO L130 BoogieDeclarations]: Found specification of procedure com90xx_setmask [2020-10-27 08:40:32,016 INFO L130 BoogieDeclarations]: Found specification of procedure com90xx_reset [2020-10-27 08:40:32,017 INFO L130 BoogieDeclarations]: Found specification of procedure com90xx_copy_to_card [2020-10-27 08:40:32,017 INFO L130 BoogieDeclarations]: Found specification of procedure com90xx_copy_from_card [2020-10-27 08:40:32,017 INFO L130 BoogieDeclarations]: Found specification of procedure com90xx_probe [2020-10-27 08:40:32,017 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-10-27 08:40:32,017 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2020-10-27 08:40:32,017 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-10-27 08:40:32,017 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2020-10-27 08:40:32,018 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2020-10-27 08:40:32,018 INFO L130 BoogieDeclarations]: Found specification of procedure check_mirror [2020-10-27 08:40:32,018 INFO L130 BoogieDeclarations]: Found specification of procedure com90xx_init [2020-10-27 08:40:32,018 INFO L130 BoogieDeclarations]: Found specification of procedure com90xx_exit [2020-10-27 08:40:32,018 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_initialize [2020-10-27 08:40:32,018 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_final_state [2020-10-27 08:40:32,018 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-10-27 08:40:32,018 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop___0 [2020-10-27 08:40:32,019 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_get_intfdata [2020-10-27 08:40:32,019 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_set_intfdata [2020-10-27 08:40:32,019 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_put_intf [2020-10-27 08:40:32,019 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_free_urb [2020-10-27 08:40:32,019 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_fill_int_urb [2020-10-27 08:40:32,019 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_fill_bulk_urb [2020-10-27 08:40:32,019 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_submit_urb [2020-10-27 08:40:32,020 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~VOID [2020-10-27 08:40:32,020 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_get_dev [2020-10-27 08:40:32,020 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_put_dev [2020-10-27 08:40:32,020 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_get_interface [2020-10-27 08:40:32,020 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_put_interface [2020-10-27 08:40:32,020 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_serial_register [2020-10-27 08:40:32,020 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_serial_deregister [2020-10-27 08:40:32,020 INFO L130 BoogieDeclarations]: Found specification of procedure free [2020-10-27 08:40:32,021 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-10-27 08:40:32,021 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-10-27 08:40:32,021 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-10-27 08:40:32,021 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2020-10-27 08:40:32,021 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int [2020-10-27 08:40:32,021 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2020-10-27 08:40:32,021 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2020-10-27 08:40:32,741 INFO L751 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stopFINAL: assume true; [2020-10-27 08:40:36,538 INFO L751 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stop___0FINAL: assume true; [2020-10-27 08:40:36,830 INFO L293 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-10-27 08:40:36,830 INFO L298 CfgBuilder]: Removed 1 assume(true) statements. [2020-10-27 08:40:36,835 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 27.10 08:40:36 BoogieIcfgContainer [2020-10-27 08:40:36,836 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-10-27 08:40:36,838 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-10-27 08:40:36,838 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-10-27 08:40:36,844 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-10-27 08:40:36,844 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 27.10 08:40:29" (1/3) ... [2020-10-27 08:40:36,845 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2bf55221 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 27.10 08:40:36, skipping insertion in model container [2020-10-27 08:40:36,845 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 08:40:31" (2/3) ... [2020-10-27 08:40:36,846 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2bf55221 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 27.10 08:40:36, skipping insertion in model container [2020-10-27 08:40:36,846 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 27.10 08:40:36" (3/3) ... [2020-10-27 08:40:36,847 INFO L111 eAbstractionObserver]: Analyzing ICFG linux-3.12-rc1.tar.xz-144_2a-drivers--net--arcnet--com90xx.ko-entry_point.cil.out.i [2020-10-27 08:40:36,860 INFO L164 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:Craig_NestedInterpolation Determinization: PREDICATE_ABSTRACTION [2020-10-27 08:40:36,866 INFO L176 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-10-27 08:40:36,880 INFO L253 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-10-27 08:40:36,928 INFO L377 AbstractCegarLoop]: Interprodecural is true [2020-10-27 08:40:36,928 INFO L378 AbstractCegarLoop]: Hoare is true [2020-10-27 08:40:36,928 INFO L379 AbstractCegarLoop]: Compute interpolants for Craig_NestedInterpolation [2020-10-27 08:40:36,928 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-10-27 08:40:36,928 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-10-27 08:40:36,928 INFO L382 AbstractCegarLoop]: Difference is false [2020-10-27 08:40:36,928 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-10-27 08:40:36,929 INFO L387 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-10-27 08:40:36,959 INFO L276 IsEmpty]: Start isEmpty. Operand 612 states. [2020-10-27 08:40:36,969 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2020-10-27 08:40:36,969 INFO L414 BasicCegarLoop]: Found error trace [2020-10-27 08:40:36,970 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] [2020-10-27 08:40:36,970 INFO L429 AbstractCegarLoop]: === Iteration 1 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-27 08:40:36,977 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-27 08:40:36,977 INFO L82 PathProgramCache]: Analyzing trace with hash 2041011933, now seen corresponding path program 1 times [2020-10-27 08:40:36,987 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-27 08:40:36,987 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [807874470] [2020-10-27 08:40:36,988 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-27 08:40:37,472 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 08:40:37,675 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 08:40:37,957 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 08:40:40,050 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 08:40:40,051 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 44 [2020-10-27 08:40:40,051 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-27 08:40:40,051 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2572 [2020-10-27 08:40:40,054 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 08:40:40,054 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 08:40:40,054 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-27 08:40:40,055 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 31 [2020-10-27 08:40:40,055 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 3 [2020-10-27 08:40:42,298 WARN L193 SmtUtils]: Spent 2.05 s on a formula simplification that was a NOOP. DAG size: 568 [2020-10-27 08:40:42,305 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-27 08:40:42,375 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 08:40:42,432 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 08:40:42,845 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 08:40:42,845 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 08:40:42,845 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 08:40:42,846 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 468 [2020-10-27 08:40:42,846 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 08:40:42,846 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 08:40:42,846 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 08:40:42,846 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-10-27 08:40:42,846 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 08:40:42,910 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-27 08:40:42,918 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 08:40:42,922 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 08:40:42,927 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 08:40:42,928 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-27 08:40:42,928 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 08:40:42,928 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 9 [2020-10-27 08:40:42,928 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 08:40:42,929 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 08:40:42,929 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 08:40:42,929 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-10-27 08:40:42,929 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 08:40:42,960 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2020-10-27 08:40:42,962 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 08:40:42,967 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 08:40:42,974 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 08:40:42,974 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 08:40:42,974 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 08:40:42,974 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 10 [2020-10-27 08:40:42,975 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 08:40:42,975 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 08:40:42,979 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 08:40:42,979 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-27 08:40:42,979 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 4 [2020-10-27 08:40:43,004 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-27 08:40:43,005 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [807874470] [2020-10-27 08:40:43,007 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-27 08:40:43,008 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2020-10-27 08:40:43,008 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [244736210] [2020-10-27 08:40:43,013 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-10-27 08:40:43,014 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-27 08:40:43,028 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-10-27 08:40:43,035 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-10-27 08:40:43,038 INFO L87 Difference]: Start difference. First operand 612 states. Second operand 5 states. [2020-10-27 08:40:45,572 WARN L193 SmtUtils]: Spent 2.08 s on a formula simplification that was a NOOP. DAG size: 571 [2020-10-27 08:40:57,964 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-27 08:40:57,964 INFO L93 Difference]: Finished difference Result 1325 states and 1957 transitions. [2020-10-27 08:40:57,965 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2020-10-27 08:40:57,968 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 28 [2020-10-27 08:40:57,968 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-27 08:40:58,007 INFO L225 Difference]: With dead ends: 1325 [2020-10-27 08:40:58,007 INFO L226 Difference]: Without dead ends: 770 [2020-10-27 08:40:58,018 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 [2020-10-27 08:40:58,039 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 770 states. [2020-10-27 08:40:58,329 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 770 to 531. [2020-10-27 08:40:58,331 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 531 states. [2020-10-27 08:40:58,336 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 531 states to 531 states and 742 transitions. [2020-10-27 08:40:58,338 INFO L78 Accepts]: Start accepts. Automaton has 531 states and 742 transitions. Word has length 28 [2020-10-27 08:40:58,339 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-27 08:40:58,339 INFO L481 AbstractCegarLoop]: Abstraction has 531 states and 742 transitions. [2020-10-27 08:40:58,339 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-10-27 08:40:58,339 INFO L276 IsEmpty]: Start isEmpty. Operand 531 states and 742 transitions. [2020-10-27 08:40:58,342 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2020-10-27 08:40:58,342 INFO L414 BasicCegarLoop]: Found error trace [2020-10-27 08:40:58,343 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] [2020-10-27 08:40:58,346 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-10-27 08:40:58,346 INFO L429 AbstractCegarLoop]: === Iteration 2 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-27 08:40:58,347 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-27 08:40:58,347 INFO L82 PathProgramCache]: Analyzing trace with hash -1494817327, now seen corresponding path program 1 times [2020-10-27 08:40:58,347 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-27 08:40:58,347 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [483508877] [2020-10-27 08:40:58,347 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-27 08:40:58,445 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 08:40:58,507 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 08:40:58,660 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 08:40:59,951 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 08:40:59,952 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 45 [2020-10-27 08:40:59,952 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-27 08:40:59,952 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1504 [2020-10-27 08:40:59,952 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 08:40:59,952 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 08:40:59,953 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-27 08:40:59,953 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 32 [2020-10-27 08:40:59,953 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 08:41:02,120 WARN L193 SmtUtils]: Spent 2.03 s on a formula simplification that was a NOOP. DAG size: 568 [2020-10-27 08:41:02,122 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-27 08:41:02,166 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 08:41:02,202 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 08:41:02,537 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 08:41:02,538 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 08:41:02,538 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 08:41:02,538 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 370 [2020-10-27 08:41:02,538 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 08:41:02,538 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 08:41:02,538 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 08:41:02,539 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-10-27 08:41:02,539 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 08:41:02,604 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-27 08:41:02,607 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 08:41:02,611 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 08:41:02,615 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 08:41:02,616 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-27 08:41:02,616 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 08:41:02,616 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-10-27 08:41:02,616 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 08:41:02,617 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 08:41:02,617 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 08:41:02,618 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-10-27 08:41:02,618 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-27 08:41:02,646 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2020-10-27 08:41:02,649 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 08:41:02,655 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 08:41:02,661 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 08:41:02,662 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 08:41:02,662 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 08:41:02,662 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 11 [2020-10-27 08:41:02,662 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 08:41:02,662 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 08:41:02,662 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 08:41:02,663 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-27 08:41:02,663 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 08:41:02,680 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-27 08:41:02,680 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [483508877] [2020-10-27 08:41:02,686 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-27 08:41:02,686 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2020-10-27 08:41:02,686 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1642764653] [2020-10-27 08:41:02,688 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-10-27 08:41:02,688 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-27 08:41:02,688 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-10-27 08:41:02,689 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-10-27 08:41:02,689 INFO L87 Difference]: Start difference. First operand 531 states and 742 transitions. Second operand 5 states. [2020-10-27 08:41:05,343 WARN L193 SmtUtils]: Spent 2.13 s on a formula simplification that was a NOOP. DAG size: 571 [2020-10-27 08:41:17,184 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-27 08:41:17,184 INFO L93 Difference]: Finished difference Result 774 states and 1126 transitions. [2020-10-27 08:41:17,191 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2020-10-27 08:41:17,191 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 29 [2020-10-27 08:41:17,192 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-27 08:41:17,198 INFO L225 Difference]: With dead ends: 774 [2020-10-27 08:41:17,199 INFO L226 Difference]: Without dead ends: 769 [2020-10-27 08:41:17,200 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 [2020-10-27 08:41:17,202 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 769 states. [2020-10-27 08:41:17,358 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 769 to 530. [2020-10-27 08:41:17,359 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 530 states. [2020-10-27 08:41:17,362 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 530 states to 530 states and 740 transitions. [2020-10-27 08:41:17,363 INFO L78 Accepts]: Start accepts. Automaton has 530 states and 740 transitions. Word has length 29 [2020-10-27 08:41:17,363 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-27 08:41:17,363 INFO L481 AbstractCegarLoop]: Abstraction has 530 states and 740 transitions. [2020-10-27 08:41:17,363 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-10-27 08:41:17,363 INFO L276 IsEmpty]: Start isEmpty. Operand 530 states and 740 transitions. [2020-10-27 08:41:17,365 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2020-10-27 08:41:17,365 INFO L414 BasicCegarLoop]: Found error trace [2020-10-27 08:41:17,365 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] [2020-10-27 08:41:17,366 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-10-27 08:41:17,366 INFO L429 AbstractCegarLoop]: === Iteration 3 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-27 08:41:17,366 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-27 08:41:17,366 INFO L82 PathProgramCache]: Analyzing trace with hash 568302496, now seen corresponding path program 1 times [2020-10-27 08:41:17,367 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-27 08:41:17,367 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [247305356] [2020-10-27 08:41:17,367 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-27 08:41:17,427 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 08:41:17,474 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 08:41:17,555 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 08:41:18,725 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 08:41:18,726 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 46 [2020-10-27 08:41:18,726 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-27 08:41:18,726 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1296 [2020-10-27 08:41:18,726 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 08:41:18,726 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 08:41:18,726 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-27 08:41:18,728 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 33 [2020-10-27 08:41:18,728 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 2 [2020-10-27 08:41:20,935 WARN L193 SmtUtils]: Spent 2.07 s on a formula simplification that was a NOOP. DAG size: 568 [2020-10-27 08:41:20,936 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-27 08:41:20,979 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 08:41:21,009 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 08:41:21,356 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 08:41:21,356 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 08:41:21,357 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 08:41:21,357 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 376 [2020-10-27 08:41:21,357 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 08:41:21,357 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 08:41:21,357 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 08:41:21,357 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-10-27 08:41:21,358 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 08:41:21,420 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-27 08:41:21,422 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 08:41:21,426 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 08:41:21,430 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 08:41:21,430 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-27 08:41:21,430 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 08:41:21,430 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-10-27 08:41:21,431 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 08:41:21,431 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 08:41:21,431 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 08:41:21,431 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-10-27 08:41:21,431 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 08:41:21,460 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2020-10-27 08:41:21,462 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 08:41:21,467 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 08:41:21,473 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 08:41:21,473 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 08:41:21,473 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 08:41:21,473 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 9 [2020-10-27 08:41:21,473 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 08:41:21,474 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 08:41:21,474 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 08:41:21,474 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-27 08:41:21,474 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 08:41:21,487 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-27 08:41:21,488 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [247305356] [2020-10-27 08:41:21,488 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-27 08:41:21,488 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2020-10-27 08:41:21,488 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1911717191] [2020-10-27 08:41:21,490 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-10-27 08:41:21,490 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-27 08:41:21,490 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-10-27 08:41:21,490 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-10-27 08:41:21,491 INFO L87 Difference]: Start difference. First operand 530 states and 740 transitions. Second operand 5 states. [2020-10-27 08:41:24,114 WARN L193 SmtUtils]: Spent 2.03 s on a formula simplification that was a NOOP. DAG size: 570 [2020-10-27 08:41:35,767 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-27 08:41:35,767 INFO L93 Difference]: Finished difference Result 773 states and 1124 transitions. [2020-10-27 08:41:35,773 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2020-10-27 08:41:35,773 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 30 [2020-10-27 08:41:35,774 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-27 08:41:35,780 INFO L225 Difference]: With dead ends: 773 [2020-10-27 08:41:35,780 INFO L226 Difference]: Without dead ends: 768 [2020-10-27 08:41:35,781 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 [2020-10-27 08:41:35,782 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 768 states. [2020-10-27 08:41:35,952 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 768 to 529. [2020-10-27 08:41:35,953 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 529 states. [2020-10-27 08:41:35,956 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 529 states to 529 states and 738 transitions. [2020-10-27 08:41:35,956 INFO L78 Accepts]: Start accepts. Automaton has 529 states and 738 transitions. Word has length 30 [2020-10-27 08:41:35,957 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-27 08:41:35,957 INFO L481 AbstractCegarLoop]: Abstraction has 529 states and 738 transitions. [2020-10-27 08:41:35,957 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-10-27 08:41:35,957 INFO L276 IsEmpty]: Start isEmpty. Operand 529 states and 738 transitions. [2020-10-27 08:41:35,959 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2020-10-27 08:41:35,959 INFO L414 BasicCegarLoop]: Found error trace [2020-10-27 08:41:35,959 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] [2020-10-27 08:41:35,959 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-10-27 08:41:35,959 INFO L429 AbstractCegarLoop]: === Iteration 4 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-27 08:41:35,960 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-27 08:41:35,960 INFO L82 PathProgramCache]: Analyzing trace with hash 105184756, now seen corresponding path program 1 times [2020-10-27 08:41:35,960 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-27 08:41:35,960 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [2024019837] [2020-10-27 08:41:35,960 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-27 08:41:36,016 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 08:41:36,066 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 08:41:36,281 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 08:41:37,021 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 08:41:37,021 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 47 [2020-10-27 08:41:37,021 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-27 08:41:37,022 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1003 [2020-10-27 08:41:37,022 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 08:41:37,022 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 08:41:37,022 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-27 08:41:37,022 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 34 [2020-10-27 08:41:37,022 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 08:41:39,147 WARN L193 SmtUtils]: Spent 2.03 s on a formula simplification that was a NOOP. DAG size: 568 [2020-10-27 08:41:39,151 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-27 08:41:39,204 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 08:41:39,244 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 08:41:39,644 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 08:41:39,645 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 08:41:39,645 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 08:41:39,645 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 439 [2020-10-27 08:41:39,645 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 08:41:39,645 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 08:41:39,645 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 08:41:39,646 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-10-27 08:41:39,646 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 08:41:39,695 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-27 08:41:39,697 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 08:41:39,700 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 08:41:39,704 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 08:41:39,704 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-27 08:41:39,704 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 08:41:39,705 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-10-27 08:41:39,705 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 08:41:39,705 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 08:41:39,705 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 08:41:39,705 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-10-27 08:41:39,705 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 08:41:39,732 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2020-10-27 08:41:39,735 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 08:41:39,739 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 08:41:39,746 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 08:41:39,747 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 08:41:39,747 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 08:41:39,747 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 10 [2020-10-27 08:41:39,747 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 08:41:39,747 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 08:41:39,747 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 08:41:39,748 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-27 08:41:39,748 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 08:41:39,762 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-27 08:41:39,763 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [2024019837] [2020-10-27 08:41:39,763 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-27 08:41:39,763 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2020-10-27 08:41:39,763 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1037774980] [2020-10-27 08:41:39,764 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-10-27 08:41:39,764 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-27 08:41:39,764 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-10-27 08:41:39,766 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-10-27 08:41:39,766 INFO L87 Difference]: Start difference. First operand 529 states and 738 transitions. Second operand 5 states. [2020-10-27 08:41:42,367 WARN L193 SmtUtils]: Spent 2.05 s on a formula simplification that was a NOOP. DAG size: 570 [2020-10-27 08:41:53,631 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-27 08:41:53,631 INFO L93 Difference]: Finished difference Result 772 states and 1122 transitions. [2020-10-27 08:41:53,636 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2020-10-27 08:41:53,636 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 31 [2020-10-27 08:41:53,636 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-27 08:41:53,641 INFO L225 Difference]: With dead ends: 772 [2020-10-27 08:41:53,641 INFO L226 Difference]: Without dead ends: 767 [2020-10-27 08:41:53,642 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 [2020-10-27 08:41:53,644 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 767 states. [2020-10-27 08:41:53,778 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 767 to 528. [2020-10-27 08:41:53,778 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 528 states. [2020-10-27 08:41:53,782 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 528 states to 528 states and 736 transitions. [2020-10-27 08:41:53,782 INFO L78 Accepts]: Start accepts. Automaton has 528 states and 736 transitions. Word has length 31 [2020-10-27 08:41:53,783 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-27 08:41:53,783 INFO L481 AbstractCegarLoop]: Abstraction has 528 states and 736 transitions. [2020-10-27 08:41:53,783 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-10-27 08:41:53,783 INFO L276 IsEmpty]: Start isEmpty. Operand 528 states and 736 transitions. [2020-10-27 08:41:53,784 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2020-10-27 08:41:53,784 INFO L414 BasicCegarLoop]: Found error trace [2020-10-27 08:41:53,785 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] [2020-10-27 08:41:53,785 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2020-10-27 08:41:53,785 INFO L429 AbstractCegarLoop]: === Iteration 5 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-27 08:41:53,785 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-27 08:41:53,786 INFO L82 PathProgramCache]: Analyzing trace with hash -1361886109, now seen corresponding path program 1 times [2020-10-27 08:41:53,786 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-27 08:41:53,786 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [976231090] [2020-10-27 08:41:53,786 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-27 08:41:53,840 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 08:41:53,883 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 08:41:54,042 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 08:41:54,983 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 08:41:54,983 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 48 [2020-10-27 08:41:54,983 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-27 08:41:54,983 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1141 [2020-10-27 08:41:54,984 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 08:41:54,984 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 08:41:54,984 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-27 08:41:54,984 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 35 [2020-10-27 08:41:54,984 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 08:41:57,105 WARN L193 SmtUtils]: Spent 2.00 s on a formula simplification that was a NOOP. DAG size: 568 [2020-10-27 08:41:57,107 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-27 08:41:57,145 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 08:41:57,175 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 08:41:57,499 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 08:41:57,499 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 08:41:57,499 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 08:41:57,499 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 352 [2020-10-27 08:41:57,499 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 08:41:57,500 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 08:41:57,500 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 08:41:57,500 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-10-27 08:41:57,500 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 08:41:57,544 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-27 08:41:57,546 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 08:41:57,549 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 08:41:57,551 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 08:41:57,552 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-27 08:41:57,552 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 08:41:57,552 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-27 08:41:57,552 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 08:41:57,552 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 08:41:57,553 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 08:41:57,553 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-10-27 08:41:57,553 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 08:41:57,584 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2020-10-27 08:41:57,586 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 08:41:57,589 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 08:41:57,597 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 08:41:57,597 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 08:41:57,597 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 08:41:57,597 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 10 [2020-10-27 08:41:57,598 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 08:41:57,598 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 08:41:57,598 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 08:41:57,598 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-27 08:41:57,598 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 08:41:57,614 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-27 08:41:57,615 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [976231090] [2020-10-27 08:41:57,615 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-27 08:41:57,615 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2020-10-27 08:41:57,615 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [624185467] [2020-10-27 08:41:57,616 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-10-27 08:41:57,617 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-27 08:41:57,618 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-10-27 08:41:57,619 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-10-27 08:41:57,619 INFO L87 Difference]: Start difference. First operand 528 states and 736 transitions. Second operand 5 states. [2020-10-27 08:42:00,206 WARN L193 SmtUtils]: Spent 2.08 s on a formula simplification that was a NOOP. DAG size: 570 [2020-10-27 08:42:11,580 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-27 08:42:11,581 INFO L93 Difference]: Finished difference Result 767 states and 1117 transitions. [2020-10-27 08:42:11,583 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2020-10-27 08:42:11,583 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 32 [2020-10-27 08:42:11,583 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-27 08:42:11,584 INFO L225 Difference]: With dead ends: 767 [2020-10-27 08:42:11,584 INFO L226 Difference]: Without dead ends: 0 [2020-10-27 08:42:11,587 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 [2020-10-27 08:42:11,587 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2020-10-27 08:42:11,588 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2020-10-27 08:42:11,588 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2020-10-27 08:42:11,591 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2020-10-27 08:42:11,592 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 32 [2020-10-27 08:42:11,592 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-27 08:42:11,592 INFO L481 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-10-27 08:42:11,592 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-10-27 08:42:11,592 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2020-10-27 08:42:11,592 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-10-27 08:42:11,592 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2020-10-27 08:42:11,596 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2020-10-27 08:42:11,876 WARN L193 SmtUtils]: Spent 260.00 ms on a formula simplification that was a NOOP. DAG size: 576 [2020-10-27 08:42:12,112 WARN L193 SmtUtils]: Spent 232.00 ms on a formula simplification that was a NOOP. DAG size: 576 [2020-10-27 08:42:12,322 WARN L193 SmtUtils]: Spent 208.00 ms on a formula simplification that was a NOOP. DAG size: 576 [2020-10-27 08:42:12,518 WARN L193 SmtUtils]: Spent 193.00 ms on a formula simplification that was a NOOP. DAG size: 576 [2020-10-27 08:42:12,715 WARN L193 SmtUtils]: Spent 195.00 ms on a formula simplification that was a NOOP. DAG size: 576 [2020-10-27 08:42:12,890 WARN L193 SmtUtils]: Spent 172.00 ms on a formula simplification that was a NOOP. DAG size: 576 [2020-10-27 08:42:13,039 WARN L193 SmtUtils]: Spent 147.00 ms on a formula simplification that was a NOOP. DAG size: 576 [2020-10-27 08:42:13,167 WARN L193 SmtUtils]: Spent 126.00 ms on a formula simplification that was a NOOP. DAG size: 576 [2020-10-27 08:42:13,279 WARN L193 SmtUtils]: Spent 109.00 ms on a formula simplification that was a NOOP. DAG size: 576 [2020-10-27 08:42:13,478 WARN L193 SmtUtils]: Spent 151.00 ms on a formula simplification that was a NOOP. DAG size: 576 [2020-10-27 08:42:13,855 WARN L193 SmtUtils]: Spent 373.00 ms on a formula simplification. DAG size of input: 590 DAG size of output: 23 [2020-10-27 08:42:14,187 WARN L193 SmtUtils]: Spent 329.00 ms on a formula simplification. DAG size of input: 590 DAG size of output: 23 [2020-10-27 08:42:14,770 WARN L193 SmtUtils]: Spent 562.00 ms on a formula simplification. DAG size of input: 590 DAG size of output: 524 [2020-10-27 08:42:15,310 WARN L193 SmtUtils]: Spent 536.00 ms on a formula simplification. DAG size of input: 590 DAG size of output: 524 [2020-10-27 08:42:15,447 WARN L193 SmtUtils]: Spent 119.00 ms on a formula simplification that was a NOOP. DAG size: 576 [2020-10-27 08:42:15,648 WARN L193 SmtUtils]: Spent 101.00 ms on a formula simplification that was a NOOP. DAG size: 576 [2020-10-27 08:42:15,758 WARN L193 SmtUtils]: Spent 107.00 ms on a formula simplification that was a NOOP. DAG size: 576 [2020-10-27 08:42:15,860 WARN L193 SmtUtils]: Spent 100.00 ms on a formula simplification that was a NOOP. DAG size: 576 [2020-10-27 08:42:15,974 WARN L193 SmtUtils]: Spent 103.00 ms on a formula simplification that was a NOOP. DAG size: 576 [2020-10-27 08:42:17,341 WARN L193 SmtUtils]: Spent 185.00 ms on a formula simplification. DAG size of input: 590 DAG size of output: 23 [2020-10-27 08:42:17,507 WARN L193 SmtUtils]: Spent 164.00 ms on a formula simplification. DAG size of input: 590 DAG size of output: 23 [2020-10-27 08:42:18,146 WARN L193 SmtUtils]: Spent 331.00 ms on a formula simplification. DAG size of input: 590 DAG size of output: 524 [2020-10-27 08:42:18,474 WARN L193 SmtUtils]: Spent 326.00 ms on a formula simplification. DAG size of input: 590 DAG size of output: 524 [2020-10-27 08:42:19,038 WARN L193 SmtUtils]: Spent 163.00 ms on a formula simplification. DAG size of input: 590 DAG size of output: 23 [2020-10-27 08:42:19,203 WARN L193 SmtUtils]: Spent 162.00 ms on a formula simplification. DAG size of input: 590 DAG size of output: 23 [2020-10-27 08:42:19,814 WARN L193 SmtUtils]: Spent 312.00 ms on a formula simplification. DAG size of input: 590 DAG size of output: 524 [2020-10-27 08:42:20,145 WARN L193 SmtUtils]: Spent 329.00 ms on a formula simplification. DAG size of input: 590 DAG size of output: 524 [2020-10-27 08:42:22,723 WARN L193 SmtUtils]: Spent 322.00 ms on a formula simplification. DAG size of input: 590 DAG size of output: 524 [2020-10-27 08:42:23,039 WARN L193 SmtUtils]: Spent 314.00 ms on a formula simplification. DAG size of input: 590 DAG size of output: 524 [2020-10-27 08:42:23,278 WARN L193 SmtUtils]: Spent 163.00 ms on a formula simplification. DAG size of input: 590 DAG size of output: 23 [2020-10-27 08:42:23,446 WARN L193 SmtUtils]: Spent 166.00 ms on a formula simplification. DAG size of input: 590 DAG size of output: 23 [2020-10-27 08:42:23,846 WARN L193 SmtUtils]: Spent 317.00 ms on a formula simplification. DAG size of input: 590 DAG size of output: 524 [2020-10-27 08:42:24,164 WARN L193 SmtUtils]: Spent 315.00 ms on a formula simplification. DAG size of input: 590 DAG size of output: 524 [2020-10-27 08:42:24,483 WARN L193 SmtUtils]: Spent 317.00 ms on a formula simplification. DAG size of input: 590 DAG size of output: 524 [2020-10-27 08:42:24,798 WARN L193 SmtUtils]: Spent 313.00 ms on a formula simplification. DAG size of input: 590 DAG size of output: 524 [2020-10-27 08:42:25,145 WARN L193 SmtUtils]: Spent 344.00 ms on a formula simplification. DAG size of input: 590 DAG size of output: 524 [2020-10-27 08:42:25,466 WARN L193 SmtUtils]: Spent 318.00 ms on a formula simplification. DAG size of input: 590 DAG size of output: 524 [2020-10-27 08:42:25,797 WARN L193 SmtUtils]: Spent 328.00 ms on a formula simplification. DAG size of input: 590 DAG size of output: 524 [2020-10-27 08:42:26,118 WARN L193 SmtUtils]: Spent 319.00 ms on a formula simplification. DAG size of input: 590 DAG size of output: 524 [2020-10-27 08:42:27,528 WARN L193 SmtUtils]: Spent 313.00 ms on a formula simplification. DAG size of input: 590 DAG size of output: 524 [2020-10-27 08:42:27,855 WARN L193 SmtUtils]: Spent 324.00 ms on a formula simplification. DAG size of input: 590 DAG size of output: 524 [2020-10-27 08:42:28,026 WARN L193 SmtUtils]: Spent 163.00 ms on a formula simplification. DAG size of input: 590 DAG size of output: 23 [2020-10-27 08:42:28,188 WARN L193 SmtUtils]: Spent 160.00 ms on a formula simplification. DAG size of input: 590 DAG size of output: 23 [2020-10-27 08:42:28,356 WARN L193 SmtUtils]: Spent 166.00 ms on a formula simplification. DAG size of input: 590 DAG size of output: 23 [2020-10-27 08:42:28,527 WARN L193 SmtUtils]: Spent 169.00 ms on a formula simplification. DAG size of input: 590 DAG size of output: 23 [2020-10-27 08:42:30,180 WARN L193 SmtUtils]: Spent 317.00 ms on a formula simplification. DAG size of input: 590 DAG size of output: 524 [2020-10-27 08:42:30,503 WARN L193 SmtUtils]: Spent 320.00 ms on a formula simplification. DAG size of input: 590 DAG size of output: 524 [2020-10-27 08:42:30,829 WARN L193 SmtUtils]: Spent 322.00 ms on a formula simplification. DAG size of input: 590 DAG size of output: 524 [2020-10-27 08:42:31,148 WARN L193 SmtUtils]: Spent 317.00 ms on a formula simplification. DAG size of input: 590 DAG size of output: 524 [2020-10-27 08:42:31,464 WARN L193 SmtUtils]: Spent 314.00 ms on a formula simplification. DAG size of input: 590 DAG size of output: 524 [2020-10-27 08:42:31,782 WARN L193 SmtUtils]: Spent 315.00 ms on a formula simplification. DAG size of input: 590 DAG size of output: 524 [2020-10-27 08:42:32,101 WARN L193 SmtUtils]: Spent 317.00 ms on a formula simplification. DAG size of input: 590 DAG size of output: 524 [2020-10-27 08:42:32,415 WARN L193 SmtUtils]: Spent 312.00 ms on a formula simplification. DAG size of input: 590 DAG size of output: 524 [2020-10-27 08:42:34,155 WARN L193 SmtUtils]: Spent 162.00 ms on a formula simplification. DAG size of input: 590 DAG size of output: 23 [2020-10-27 08:42:34,317 WARN L193 SmtUtils]: Spent 160.00 ms on a formula simplification. DAG size of input: 590 DAG size of output: 23 [2020-10-27 08:42:35,143 WARN L193 SmtUtils]: Spent 313.00 ms on a formula simplification. DAG size of input: 590 DAG size of output: 524 [2020-10-27 08:42:35,459 WARN L193 SmtUtils]: Spent 314.00 ms on a formula simplification. DAG size of input: 590 DAG size of output: 524 [2020-10-27 08:42:36,051 WARN L193 SmtUtils]: Spent 321.00 ms on a formula simplification. DAG size of input: 590 DAG size of output: 524 [2020-10-27 08:42:36,367 WARN L193 SmtUtils]: Spent 314.00 ms on a formula simplification. DAG size of input: 590 DAG size of output: 524 [2020-10-27 08:42:36,533 WARN L193 SmtUtils]: Spent 162.00 ms on a formula simplification. DAG size of input: 590 DAG size of output: 23 [2020-10-27 08:42:36,699 WARN L193 SmtUtils]: Spent 164.00 ms on a formula simplification. DAG size of input: 590 DAG size of output: 23 [2020-10-27 08:42:37,238 WARN L193 SmtUtils]: Spent 320.00 ms on a formula simplification. DAG size of input: 590 DAG size of output: 524 [2020-10-27 08:42:37,565 WARN L193 SmtUtils]: Spent 323.00 ms on a formula simplification. DAG size of input: 590 DAG size of output: 524 [2020-10-27 08:42:37,884 WARN L193 SmtUtils]: Spent 316.00 ms on a formula simplification. DAG size of input: 590 DAG size of output: 524 [2020-10-27 08:42:38,205 WARN L193 SmtUtils]: Spent 318.00 ms on a formula simplification. DAG size of input: 590 DAG size of output: 524 [2020-10-27 08:42:38,525 WARN L193 SmtUtils]: Spent 318.00 ms on a formula simplification. DAG size of input: 590 DAG size of output: 524 [2020-10-27 08:42:38,848 WARN L193 SmtUtils]: Spent 319.00 ms on a formula simplification. DAG size of input: 590 DAG size of output: 524 [2020-10-27 08:42:39,169 WARN L193 SmtUtils]: Spent 319.00 ms on a formula simplification. DAG size of input: 590 DAG size of output: 524 [2020-10-27 08:42:39,489 WARN L193 SmtUtils]: Spent 317.00 ms on a formula simplification. DAG size of input: 590 DAG size of output: 524 [2020-10-27 08:42:41,464 WARN L193 SmtUtils]: Spent 319.00 ms on a formula simplification. DAG size of input: 590 DAG size of output: 524 [2020-10-27 08:42:41,780 WARN L193 SmtUtils]: Spent 314.00 ms on a formula simplification. DAG size of input: 590 DAG size of output: 524 [2020-10-27 08:42:42,208 WARN L193 SmtUtils]: Spent 162.00 ms on a formula simplification. DAG size of input: 590 DAG size of output: 23 [2020-10-27 08:42:42,370 WARN L193 SmtUtils]: Spent 160.00 ms on a formula simplification. DAG size of input: 590 DAG size of output: 23 [2020-10-27 08:42:42,885 WARN L193 SmtUtils]: Spent 311.00 ms on a formula simplification. DAG size of input: 590 DAG size of output: 524 [2020-10-27 08:42:43,203 WARN L193 SmtUtils]: Spent 316.00 ms on a formula simplification. DAG size of input: 590 DAG size of output: 524 [2020-10-27 08:42:43,521 WARN L193 SmtUtils]: Spent 315.00 ms on a formula simplification. DAG size of input: 590 DAG size of output: 524 [2020-10-27 08:42:43,840 WARN L193 SmtUtils]: Spent 317.00 ms on a formula simplification. DAG size of input: 590 DAG size of output: 524 [2020-10-27 08:42:44,750 WARN L193 SmtUtils]: Spent 313.00 ms on a formula simplification. DAG size of input: 590 DAG size of output: 524 [2020-10-27 08:42:45,065 WARN L193 SmtUtils]: Spent 313.00 ms on a formula simplification. DAG size of input: 590 DAG size of output: 524 [2020-10-27 08:42:46,282 WARN L193 SmtUtils]: Spent 324.00 ms on a formula simplification. DAG size of input: 590 DAG size of output: 524 [2020-10-27 08:42:46,607 WARN L193 SmtUtils]: Spent 322.00 ms on a formula simplification. DAG size of input: 590 DAG size of output: 524 [2020-10-27 08:42:46,922 WARN L193 SmtUtils]: Spent 313.00 ms on a formula simplification. DAG size of input: 590 DAG size of output: 524 [2020-10-27 08:42:47,240 WARN L193 SmtUtils]: Spent 316.00 ms on a formula simplification. DAG size of input: 590 DAG size of output: 524 [2020-10-27 08:42:47,555 WARN L193 SmtUtils]: Spent 313.00 ms on a formula simplification. DAG size of input: 590 DAG size of output: 524 [2020-10-27 08:42:47,873 WARN L193 SmtUtils]: Spent 315.00 ms on a formula simplification. DAG size of input: 590 DAG size of output: 524 [2020-10-27 08:42:48,189 WARN L193 SmtUtils]: Spent 314.00 ms on a formula simplification. DAG size of input: 590 DAG size of output: 524 [2020-10-27 08:42:48,506 WARN L193 SmtUtils]: Spent 315.00 ms on a formula simplification. DAG size of input: 590 DAG size of output: 524 [2020-10-27 08:42:49,243 WARN L193 SmtUtils]: Spent 160.00 ms on a formula simplification. DAG size of input: 590 DAG size of output: 23 [2020-10-27 08:42:49,404 WARN L193 SmtUtils]: Spent 159.00 ms on a formula simplification. DAG size of input: 590 DAG size of output: 23 [2020-10-27 08:42:51,214 WARN L193 SmtUtils]: Spent 1.80 s on a formula simplification. DAG size of input: 397 DAG size of output: 30 [2020-10-27 08:42:53,136 WARN L193 SmtUtils]: Spent 1.87 s on a formula simplification. DAG size of input: 411 DAG size of output: 72 [2020-10-27 08:42:54,331 WARN L193 SmtUtils]: Spent 1.15 s on a formula simplification. DAG size of input: 379 DAG size of output: 37 [2020-10-27 08:42:56,217 WARN L193 SmtUtils]: Spent 1.77 s on a formula simplification. DAG size of input: 397 DAG size of output: 30 [2020-10-27 08:42:58,015 WARN L193 SmtUtils]: Spent 1.79 s on a formula simplification. DAG size of input: 416 DAG size of output: 87 [2020-10-27 08:42:59,677 WARN L193 SmtUtils]: Spent 1.66 s on a formula simplification. DAG size of input: 397 DAG size of output: 30 [2020-10-27 08:43:01,377 WARN L193 SmtUtils]: Spent 1.67 s on a formula simplification. DAG size of input: 397 DAG size of output: 30 [2020-10-27 08:43:03,024 WARN L193 SmtUtils]: Spent 1.64 s on a formula simplification. DAG size of input: 396 DAG size of output: 26 [2020-10-27 08:43:05,206 WARN L193 SmtUtils]: Spent 1.82 s on a formula simplification. DAG size of input: 422 DAG size of output: 105 [2020-10-27 08:43:06,975 WARN L193 SmtUtils]: Spent 1.66 s on a formula simplification. DAG size of input: 397 DAG size of output: 30 [2020-10-27 08:43:08,835 WARN L193 SmtUtils]: Spent 1.67 s on a formula simplification. DAG size of input: 397 DAG size of output: 30 [2020-10-27 08:43:10,691 WARN L193 SmtUtils]: Spent 1.79 s on a formula simplification. DAG size of input: 397 DAG size of output: 30 [2020-10-27 08:43:12,016 WARN L193 SmtUtils]: Spent 1.15 s on a formula simplification. DAG size of input: 379 DAG size of output: 37 [2020-10-27 08:43:13,897 WARN L193 SmtUtils]: Spent 1.80 s on a formula simplification. DAG size of input: 399 DAG size of output: 36 [2020-10-27 08:43:15,677 WARN L193 SmtUtils]: Spent 1.70 s on a formula simplification. DAG size of input: 399 DAG size of output: 36 [2020-10-27 08:43:17,442 WARN L193 SmtUtils]: Spent 1.64 s on a formula simplification. DAG size of input: 397 DAG size of output: 30 [2020-10-27 08:43:19,132 WARN L193 SmtUtils]: Spent 1.67 s on a formula simplification. DAG size of input: 399 DAG size of output: 36 [2020-10-27 08:43:20,209 WARN L193 SmtUtils]: Spent 1.07 s on a formula simplification. DAG size of input: 379 DAG size of output: 37 [2020-10-27 08:43:21,884 WARN L193 SmtUtils]: Spent 1.67 s on a formula simplification. DAG size of input: 399 DAG size of output: 36 [2020-10-27 08:43:23,796 WARN L193 SmtUtils]: Spent 1.66 s on a formula simplification. DAG size of input: 397 DAG size of output: 30 [2020-10-27 08:43:25,224 WARN L193 SmtUtils]: Spent 1.08 s on a formula simplification. DAG size of input: 379 DAG size of output: 37 [2020-10-27 08:43:27,026 WARN L193 SmtUtils]: Spent 1.66 s on a formula simplification. DAG size of input: 397 DAG size of output: 30 [2020-10-27 08:43:27,992 WARN L193 SmtUtils]: Spent 943.00 ms on a formula simplification. DAG size of input: 361 DAG size of output: 1 [2020-10-27 08:43:29,921 WARN L193 SmtUtils]: Spent 1.87 s on a formula simplification. DAG size of input: 411 DAG size of output: 72 [2020-10-27 08:43:31,880 WARN L193 SmtUtils]: Spent 1.94 s on a formula simplification. DAG size of input: 422 DAG size of output: 105 [2020-10-27 08:43:33,698 WARN L193 SmtUtils]: Spent 1.81 s on a formula simplification. DAG size of input: 417 DAG size of output: 90 [2020-10-27 08:43:35,486 WARN L193 SmtUtils]: Spent 1.69 s on a formula simplification. DAG size of input: 397 DAG size of output: 30 [2020-10-27 08:43:36,576 WARN L193 SmtUtils]: Spent 1.08 s on a formula simplification. DAG size of input: 379 DAG size of output: 37 [2020-10-27 08:43:38,849 WARN L193 SmtUtils]: Spent 1.74 s on a formula simplification. DAG size of input: 411 DAG size of output: 72 [2020-10-27 08:43:40,584 WARN L193 SmtUtils]: Spent 1.66 s on a formula simplification. DAG size of input: 396 DAG size of output: 26 [2020-10-27 08:43:42,283 WARN L193 SmtUtils]: Spent 1.67 s on a formula simplification. DAG size of input: 397 DAG size of output: 30 [2020-10-27 08:43:44,216 WARN L193 SmtUtils]: Spent 1.66 s on a formula simplification. DAG size of input: 397 DAG size of output: 30 [2020-10-27 08:43:45,180 WARN L193 SmtUtils]: Spent 937.00 ms on a formula simplification. DAG size of input: 361 DAG size of output: 1 [2020-10-27 08:43:47,192 WARN L193 SmtUtils]: Spent 1.78 s on a formula simplification. DAG size of input: 416 DAG size of output: 87 [2020-10-27 08:43:48,311 WARN L193 SmtUtils]: Spent 1.08 s on a formula simplification. DAG size of input: 379 DAG size of output: 37 [2020-10-27 08:43:50,032 WARN L193 SmtUtils]: Spent 1.67 s on a formula simplification. DAG size of input: 399 DAG size of output: 36 [2020-10-27 08:43:51,135 WARN L193 SmtUtils]: Spent 1.08 s on a formula simplification. DAG size of input: 380 DAG size of output: 37 [2020-10-27 08:43:53,149 WARN L193 SmtUtils]: Spent 1.66 s on a formula simplification. DAG size of input: 397 DAG size of output: 30 [2020-10-27 08:43:54,901 WARN L193 SmtUtils]: Spent 1.75 s on a formula simplification. DAG size of input: 411 DAG size of output: 72 [2020-10-27 08:43:55,850 WARN L193 SmtUtils]: Spent 942.00 ms on a formula simplification. DAG size of input: 361 DAG size of output: 1 [2020-10-27 08:43:57,517 WARN L193 SmtUtils]: Spent 1.65 s on a formula simplification. DAG size of input: 396 DAG size of output: 26 [2020-10-27 08:43:59,173 WARN L193 SmtUtils]: Spent 1.58 s on a formula simplification. DAG size of input: 397 DAG size of output: 30 [2020-10-27 08:44:00,893 WARN L193 SmtUtils]: Spent 1.67 s on a formula simplification. DAG size of input: 397 DAG size of output: 30 [2020-10-27 08:44:02,671 WARN L193 SmtUtils]: Spent 1.67 s on a formula simplification. DAG size of input: 399 DAG size of output: 36 [2020-10-27 08:44:04,511 WARN L193 SmtUtils]: Spent 1.76 s on a formula simplification. DAG size of input: 397 DAG size of output: 30 [2020-10-27 08:44:06,261 WARN L193 SmtUtils]: Spent 1.75 s on a formula simplification. DAG size of input: 397 DAG size of output: 30 [2020-10-27 08:44:07,427 WARN L193 SmtUtils]: Spent 1.16 s on a formula simplification. DAG size of input: 379 DAG size of output: 37 [2020-10-27 08:44:09,241 WARN L193 SmtUtils]: Spent 1.81 s on a formula simplification. DAG size of input: 399 DAG size of output: 36 [2020-10-27 08:44:11,073 WARN L193 SmtUtils]: Spent 1.81 s on a formula simplification. DAG size of input: 399 DAG size of output: 36 [2020-10-27 08:44:13,256 WARN L193 SmtUtils]: Spent 2.13 s on a formula simplification that was a NOOP. DAG size: 568 [2020-10-27 08:44:14,426 WARN L193 SmtUtils]: Spent 1.13 s on a formula simplification. DAG size of input: 379 DAG size of output: 37 [2020-10-27 08:44:15,562 WARN L193 SmtUtils]: Spent 1.13 s on a formula simplification. DAG size of input: 379 DAG size of output: 37 [2020-10-27 08:44:17,303 WARN L193 SmtUtils]: Spent 1.72 s on a formula simplification. DAG size of input: 397 DAG size of output: 30 [2020-10-27 08:44:19,294 WARN L193 SmtUtils]: Spent 1.82 s on a formula simplification. DAG size of input: 411 DAG size of output: 72 [2020-10-27 08:44:20,921 WARN L193 SmtUtils]: Spent 1.62 s on a formula simplification. DAG size of input: 396 DAG size of output: 26