/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=WIDESTAMONGSMALL --traceabstraction.additional.smt.options tolerance=0.6 --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-validator-v0.6/linux-stable-9ec4f65-1-110_1a-drivers--rtc--rtc-tegra.ko-entry_point.cil.out.i -------------------------------------------------------------------------------- This is Ultimate 0.2.0-0f64333 [2020-10-29 03:04:31,970 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-10-29 03:04:31,973 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-10-29 03:04:32,029 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-10-29 03:04:32,030 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-10-29 03:04:32,037 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-10-29 03:04:32,039 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-10-29 03:04:32,044 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-10-29 03:04:32,047 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-10-29 03:04:32,054 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-10-29 03:04:32,055 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-10-29 03:04:32,057 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-10-29 03:04:32,057 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-10-29 03:04:32,061 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-10-29 03:04:32,065 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-10-29 03:04:32,068 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-10-29 03:04:32,069 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-10-29 03:04:32,072 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-10-29 03:04:32,079 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-10-29 03:04:32,087 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-10-29 03:04:32,089 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-10-29 03:04:32,091 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-10-29 03:04:32,093 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-10-29 03:04:32,094 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-10-29 03:04:32,103 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-10-29 03:04:32,103 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-10-29 03:04:32,103 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-10-29 03:04:32,105 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-10-29 03:04:32,106 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-10-29 03:04:32,107 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-10-29 03:04:32,107 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-10-29 03:04:32,108 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-10-29 03:04:32,110 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-10-29 03:04:32,111 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-10-29 03:04:32,112 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-10-29 03:04:32,112 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-10-29 03:04:32,113 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-10-29 03:04:32,113 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-10-29 03:04:32,113 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-10-29 03:04:32,134 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-10-29 03:04:32,135 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-10-29 03:04:32,142 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/default/automizer/svcomp-Reach-64bit-Automizer_Default.epf [2020-10-29 03:04:32,195 INFO L113 SettingsManager]: Loading preferences was successful [2020-10-29 03:04:32,196 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-10-29 03:04:32,200 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-10-29 03:04:32,200 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-10-29 03:04:32,200 INFO L138 SettingsManager]: * Use SBE=true [2020-10-29 03:04:32,200 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-10-29 03:04:32,201 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-10-29 03:04:32,201 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-10-29 03:04:32,201 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-10-29 03:04:32,201 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-10-29 03:04:32,202 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-10-29 03:04:32,203 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-10-29 03:04:32,203 INFO L138 SettingsManager]: * Use constant arrays=true [2020-10-29 03:04:32,203 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-10-29 03:04:32,203 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-10-29 03:04:32,203 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-10-29 03:04:32,204 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-10-29 03:04:32,204 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-10-29 03:04:32,204 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-10-29 03:04:32,204 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-10-29 03:04:32,204 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-10-29 03:04:32,205 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-10-29 03:04:32,205 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-10-29 03:04:32,205 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-10-29 03:04:32,205 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-10-29 03:04:32,206 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-10-29 03:04:32,206 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2020-10-29 03:04:32,206 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Trace refinement strategy -> FIXED_PREFERENCES Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute Interpolants along a Counterexample -> Craig_NestedInterpolation Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: SMT solver -> Internal_SMTInterpol Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute trace for counterexample result -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder: Size of a code block -> SequenceOfStatements Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Use minimal unsat core enumeration -> true Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=5000;interpolation-heuristic=WIDESTAMONGSMALL;tolerance=0.6;log-additional-information=true;unknown-allowed=true; [2020-10-29 03:04:32,651 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-10-29 03:04:32,678 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-10-29 03:04:32,681 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-10-29 03:04:32,683 INFO L271 PluginConnector]: Initializing CDTParser... [2020-10-29 03:04:32,683 INFO L275 PluginConnector]: CDTParser initialized [2020-10-29 03:04:32,684 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/ldv-validator-v0.6/linux-stable-9ec4f65-1-110_1a-drivers--rtc--rtc-tegra.ko-entry_point.cil.out.i [2020-10-29 03:04:32,784 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/c85ca36b9/f90fd9fb201b43ae8849f4301c989bd2/FLAGf2aedc0bc [2020-10-29 03:04:33,654 INFO L306 CDTParser]: Found 1 translation units. [2020-10-29 03:04:33,655 INFO L160 CDTParser]: Scanning /storage/repos/ultimate-2/trunk/examples/svcomp/ldv-validator-v0.6/linux-stable-9ec4f65-1-110_1a-drivers--rtc--rtc-tegra.ko-entry_point.cil.out.i [2020-10-29 03:04:33,686 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/c85ca36b9/f90fd9fb201b43ae8849f4301c989bd2/FLAGf2aedc0bc [2020-10-29 03:04:33,724 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/c85ca36b9/f90fd9fb201b43ae8849f4301c989bd2 [2020-10-29 03:04:33,727 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-10-29 03:04:33,735 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-10-29 03:04:33,737 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-10-29 03:04:33,737 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-10-29 03:04:33,742 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-10-29 03:04:33,743 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 29.10 03:04:33" (1/1) ... [2020-10-29 03:04:33,753 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@62117a07 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 03:04:33, skipping insertion in model container [2020-10-29 03:04:33,753 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 29.10 03:04:33" (1/1) ... [2020-10-29 03:04:33,765 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-10-29 03:04:33,841 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-10-29 03:04:34,769 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-29 03:04:34,789 INFO L203 MainTranslator]: Completed pre-run [2020-10-29 03:04:35,006 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-29 03:04:35,131 INFO L208 MainTranslator]: Completed translation [2020-10-29 03:04:35,133 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 03:04:35 WrapperNode [2020-10-29 03:04:35,133 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-10-29 03:04:35,136 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-10-29 03:04:35,136 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-10-29 03:04:35,137 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-10-29 03:04:35,155 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 03:04:35" (1/1) ... [2020-10-29 03:04:35,156 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 03:04:35" (1/1) ... [2020-10-29 03:04:35,239 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 03:04:35" (1/1) ... [2020-10-29 03:04:35,239 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 03:04:35" (1/1) ... [2020-10-29 03:04:35,345 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 03:04:35" (1/1) ... [2020-10-29 03:04:35,356 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 03:04:35" (1/1) ... [2020-10-29 03:04:35,368 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 03:04:35" (1/1) ... [2020-10-29 03:04:35,388 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-10-29 03:04:35,389 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-10-29 03:04:35,389 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-10-29 03:04:35,389 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-10-29 03:04:35,390 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 03:04:35" (1/1) ... No working directory specified, using /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-10-29 03:04:35,486 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-10-29 03:04:35,486 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-10-29 03:04:35,486 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~~TO~VOID [2020-10-29 03:04:35,486 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error [2020-10-29 03:04:35,487 INFO L138 BoogieDeclarations]: Found implementation of procedure outer_sync [2020-10-29 03:04:35,487 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_irqrestore_9 [2020-10-29 03:04:35,487 INFO L138 BoogieDeclarations]: Found implementation of procedure kobject_name [2020-10-29 03:04:35,487 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2020-10-29 03:04:35,487 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2020-10-29 03:04:35,487 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_zalloc [2020-10-29 03:04:35,488 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undef_int [2020-10-29 03:04:35,488 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undef_ulong [2020-10-29 03:04:35,488 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_error [2020-10-29 03:04:35,488 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2020-10-29 03:04:35,488 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2020-10-29 03:04:35,489 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_trap [2020-10-29 03:04:35,489 INFO L138 BoogieDeclarations]: Found implementation of procedure request_irq [2020-10-29 03:04:35,489 INFO L138 BoogieDeclarations]: Found implementation of procedure enable_irq_wake [2020-10-29 03:04:35,489 INFO L138 BoogieDeclarations]: Found implementation of procedure disable_irq_wake [2020-10-29 03:04:35,489 INFO L138 BoogieDeclarations]: Found implementation of procedure resource_size [2020-10-29 03:04:35,490 INFO L138 BoogieDeclarations]: Found implementation of procedure device_may_wakeup [2020-10-29 03:04:35,490 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_name [2020-10-29 03:04:35,490 INFO L138 BoogieDeclarations]: Found implementation of procedure platform_get_drvdata [2020-10-29 03:04:35,490 INFO L138 BoogieDeclarations]: Found implementation of procedure platform_set_drvdata [2020-10-29 03:04:35,490 INFO L138 BoogieDeclarations]: Found implementation of procedure tegra_rtc_check_busy [2020-10-29 03:04:35,490 INFO L138 BoogieDeclarations]: Found implementation of procedure tegra_rtc_wait_while_busy [2020-10-29 03:04:35,491 INFO L138 BoogieDeclarations]: Found implementation of procedure tegra_rtc_read_time [2020-10-29 03:04:35,491 INFO L138 BoogieDeclarations]: Found implementation of procedure tegra_rtc_set_time [2020-10-29 03:04:35,491 INFO L138 BoogieDeclarations]: Found implementation of procedure tegra_rtc_read_alarm [2020-10-29 03:04:35,491 INFO L138 BoogieDeclarations]: Found implementation of procedure tegra_rtc_alarm_irq_enable [2020-10-29 03:04:35,492 INFO L138 BoogieDeclarations]: Found implementation of procedure tegra_rtc_set_alarm [2020-10-29 03:04:35,492 INFO L138 BoogieDeclarations]: Found implementation of procedure tegra_rtc_proc [2020-10-29 03:04:35,492 INFO L138 BoogieDeclarations]: Found implementation of procedure tegra_rtc_irq_handler [2020-10-29 03:04:35,492 INFO L138 BoogieDeclarations]: Found implementation of procedure tegra_rtc_probe [2020-10-29 03:04:35,492 INFO L138 BoogieDeclarations]: Found implementation of procedure tegra_rtc_remove [2020-10-29 03:04:35,493 INFO L138 BoogieDeclarations]: Found implementation of procedure tegra_rtc_suspend [2020-10-29 03:04:35,493 INFO L138 BoogieDeclarations]: Found implementation of procedure tegra_rtc_resume [2020-10-29 03:04:35,493 INFO L138 BoogieDeclarations]: Found implementation of procedure tegra_rtc_shutdown [2020-10-29 03:04:35,493 INFO L138 BoogieDeclarations]: Found implementation of procedure tegra_rtc_init [2020-10-29 03:04:35,493 INFO L138 BoogieDeclarations]: Found implementation of procedure tegra_rtc_exit [2020-10-29 03:04:35,493 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_irq_1 [2020-10-29 03:04:35,494 INFO L138 BoogieDeclarations]: Found implementation of procedure activate_suitable_irq_1 [2020-10-29 03:04:35,494 INFO L138 BoogieDeclarations]: Found implementation of procedure reg_check_1 [2020-10-29 03:04:35,494 INFO L138 BoogieDeclarations]: Found implementation of procedure choose_interrupt_1 [2020-10-29 03:04:35,494 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_initialize_rtc_class_ops_3 [2020-10-29 03:04:35,494 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_initialize_platform_driver_2 [2020-10-29 03:04:35,494 INFO L138 BoogieDeclarations]: Found implementation of procedure disable_suitable_irq_1 [2020-10-29 03:04:35,495 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-10-29 03:04:35,495 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock_irqrestore [2020-10-29 03:04:35,495 INFO L138 BoogieDeclarations]: Found implementation of procedure PTR_ERR [2020-10-29 03:04:35,495 INFO L138 BoogieDeclarations]: Found implementation of procedure IS_ERR [2020-10-29 03:04:35,495 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kzalloc_22 [2020-10-29 03:04:35,495 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_rtc_device_register_23 [2020-10-29 03:04:35,496 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_request_irq_24 [2020-10-29 03:04:35,496 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_rtc_device_unregister_25 [2020-10-29 03:04:35,496 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_free_irq_26 [2020-10-29 03:04:35,496 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_rtc_device_unregister_27 [2020-10-29 03:04:35,496 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_is_err [2020-10-29 03:04:35,497 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_err_ptr [2020-10-29 03:04:35,497 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_ptr_err [2020-10-29 03:04:35,497 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_is_err_or_null [2020-10-29 03:04:35,497 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_lock_init [2020-10-29 03:04:35,497 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_lock_check [2020-10-29 03:04:35,497 INFO L138 BoogieDeclarations]: Found implementation of procedure __const_udelay [2020-10-29 03:04:35,498 INFO L138 BoogieDeclarations]: Found implementation of procedure __release_region [2020-10-29 03:04:35,498 INFO L138 BoogieDeclarations]: Found implementation of procedure __request_region [2020-10-29 03:04:35,498 INFO L138 BoogieDeclarations]: Found implementation of procedure _raw_spin_unlock_irqrestore [2020-10-29 03:04:35,498 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_err [2020-10-29 03:04:35,498 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_get_drvdata [2020-10-29 03:04:35,498 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_notice [2020-10-29 03:04:35,499 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_set_drvdata [2020-10-29 03:04:35,499 INFO L138 BoogieDeclarations]: Found implementation of procedure device_init_wakeup [2020-10-29 03:04:35,499 INFO L138 BoogieDeclarations]: Found implementation of procedure free_irq [2020-10-29 03:04:35,499 INFO L138 BoogieDeclarations]: Found implementation of procedure irq_set_irq_wake [2020-10-29 03:04:35,499 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_final_state [2020-10-29 03:04:35,500 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_initialize [2020-10-29 03:04:35,500 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_probe_2 [2020-10-29 03:04:35,500 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_probe_3 [2020-10-29 03:04:35,500 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_release_3 [2020-10-29 03:04:35,500 INFO L138 BoogieDeclarations]: Found implementation of procedure platform_driver_probe [2020-10-29 03:04:35,500 INFO L138 BoogieDeclarations]: Found implementation of procedure platform_driver_unregister [2020-10-29 03:04:35,501 INFO L138 BoogieDeclarations]: Found implementation of procedure platform_get_irq [2020-10-29 03:04:35,501 INFO L138 BoogieDeclarations]: Found implementation of procedure platform_get_resource [2020-10-29 03:04:35,501 INFO L138 BoogieDeclarations]: Found implementation of procedure request_threaded_irq [2020-10-29 03:04:35,501 INFO L138 BoogieDeclarations]: Found implementation of procedure rtc_device_register [2020-10-29 03:04:35,501 INFO L138 BoogieDeclarations]: Found implementation of procedure rtc_device_unregister [2020-10-29 03:04:35,501 INFO L138 BoogieDeclarations]: Found implementation of procedure rtc_time_to_tm [2020-10-29 03:04:35,502 INFO L138 BoogieDeclarations]: Found implementation of procedure rtc_tm_to_time [2020-10-29 03:04:35,502 INFO L138 BoogieDeclarations]: Found implementation of procedure rtc_update_irq [2020-10-29 03:04:35,502 INFO L138 BoogieDeclarations]: Found implementation of procedure rtc_valid_tm [2020-10-29 03:04:35,502 INFO L138 BoogieDeclarations]: Found implementation of procedure seq_printf [2020-10-29 03:04:35,502 INFO L138 BoogieDeclarations]: Found implementation of procedure tegra_ioremap [2020-10-29 03:04:35,502 INFO L138 BoogieDeclarations]: Found implementation of procedure tegra_iounmap [2020-10-29 03:04:35,503 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree [2020-10-29 03:04:35,503 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2020-10-29 03:04:35,503 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.meminit [2020-10-29 03:04:35,503 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2020-10-29 03:04:35,503 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2020-10-29 03:04:35,504 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_perror_fail [2020-10-29 03:04:35,504 INFO L130 BoogieDeclarations]: Found specification of procedure __assert [2020-10-29 03:04:35,504 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error [2020-10-29 03:04:35,504 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-10-29 03:04:35,504 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2020-10-29 03:04:35,504 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_is_err [2020-10-29 03:04:35,504 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_ptr_err [2020-10-29 03:04:35,505 INFO L130 BoogieDeclarations]: Found specification of procedure outer_sync [2020-10-29 03:04:35,505 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~~TO~VOID [2020-10-29 03:04:35,505 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2020-10-29 03:04:35,505 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2020-10-29 03:04:35,505 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_zalloc [2020-10-29 03:04:35,505 INFO L130 BoogieDeclarations]: Found specification of procedure memset [2020-10-29 03:04:35,506 INFO L130 BoogieDeclarations]: Found specification of procedure _raw_spin_unlock_irqrestore [2020-10-29 03:04:35,506 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_irqrestore_9 [2020-10-29 03:04:35,506 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock_irqrestore [2020-10-29 03:04:35,506 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_lock_check [2020-10-29 03:04:35,506 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2020-10-29 03:04:35,506 INFO L130 BoogieDeclarations]: Found specification of procedure kobject_name [2020-10-29 03:04:35,507 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kzalloc_22 [2020-10-29 03:04:35,507 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2020-10-29 03:04:35,507 INFO L130 BoogieDeclarations]: Found specification of procedure calloc [2020-10-29 03:04:35,507 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2020-10-29 03:04:35,507 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_uint [2020-10-29 03:04:35,507 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_ulong [2020-10-29 03:04:35,508 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2020-10-29 03:04:35,508 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2020-10-29 03:04:35,508 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.meminit [2020-10-29 03:04:35,508 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undef_int [2020-10-29 03:04:35,508 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undef_ulong [2020-10-29 03:04:35,508 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_error [2020-10-29 03:04:35,509 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2020-10-29 03:04:35,509 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_trap [2020-10-29 03:04:35,509 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_irq_1 [2020-10-29 03:04:35,509 INFO L130 BoogieDeclarations]: Found specification of procedure activate_suitable_irq_1 [2020-10-29 03:04:35,509 INFO L130 BoogieDeclarations]: Found specification of procedure reg_check_1 [2020-10-29 03:04:35,510 INFO L130 BoogieDeclarations]: Found specification of procedure choose_interrupt_1 [2020-10-29 03:04:35,510 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_initialize_rtc_class_ops_3 [2020-10-29 03:04:35,510 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_initialize_platform_driver_2 [2020-10-29 03:04:35,510 INFO L130 BoogieDeclarations]: Found specification of procedure disable_suitable_irq_1 [2020-10-29 03:04:35,510 INFO L130 BoogieDeclarations]: Found specification of procedure tegra_ioremap [2020-10-29 03:04:35,511 INFO L130 BoogieDeclarations]: Found specification of procedure tegra_iounmap [2020-10-29 03:04:35,511 INFO L130 BoogieDeclarations]: Found specification of procedure __const_udelay [2020-10-29 03:04:35,511 INFO L130 BoogieDeclarations]: Found specification of procedure request_threaded_irq [2020-10-29 03:04:35,511 INFO L130 BoogieDeclarations]: Found specification of procedure request_irq [2020-10-29 03:04:35,511 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_request_irq_24 [2020-10-29 03:04:35,511 INFO L130 BoogieDeclarations]: Found specification of procedure free_irq [2020-10-29 03:04:35,512 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_free_irq_26 [2020-10-29 03:04:35,512 INFO L130 BoogieDeclarations]: Found specification of procedure irq_set_irq_wake [2020-10-29 03:04:35,512 INFO L130 BoogieDeclarations]: Found specification of procedure enable_irq_wake [2020-10-29 03:04:35,512 INFO L130 BoogieDeclarations]: Found specification of procedure disable_irq_wake [2020-10-29 03:04:35,512 INFO L130 BoogieDeclarations]: Found specification of procedure rtc_valid_tm [2020-10-29 03:04:35,512 INFO L130 BoogieDeclarations]: Found specification of procedure rtc_tm_to_time [2020-10-29 03:04:35,513 INFO L130 BoogieDeclarations]: Found specification of procedure rtc_time_to_tm [2020-10-29 03:04:35,513 INFO L130 BoogieDeclarations]: Found specification of procedure resource_size [2020-10-29 03:04:35,513 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2020-10-29 03:04:35,513 INFO L130 BoogieDeclarations]: Found specification of procedure __request_region [2020-10-29 03:04:35,513 INFO L130 BoogieDeclarations]: Found specification of procedure __release_region [2020-10-29 03:04:35,513 INFO L130 BoogieDeclarations]: Found specification of procedure device_may_wakeup [2020-10-29 03:04:35,514 INFO L130 BoogieDeclarations]: Found specification of procedure device_init_wakeup [2020-10-29 03:04:35,514 INFO L130 BoogieDeclarations]: Found specification of procedure dev_name [2020-10-29 03:04:35,514 INFO L130 BoogieDeclarations]: Found specification of procedure dev_get_drvdata [2020-10-29 03:04:35,514 INFO L130 BoogieDeclarations]: Found specification of procedure dev_set_drvdata [2020-10-29 03:04:35,514 INFO L130 BoogieDeclarations]: Found specification of procedure dev_err [2020-10-29 03:04:35,514 INFO L130 BoogieDeclarations]: Found specification of procedure dev_notice [2020-10-29 03:04:35,515 INFO L130 BoogieDeclarations]: Found specification of procedure seq_printf [2020-10-29 03:04:35,515 INFO L130 BoogieDeclarations]: Found specification of procedure PTR_ERR [2020-10-29 03:04:35,515 INFO L130 BoogieDeclarations]: Found specification of procedure IS_ERR [2020-10-29 03:04:35,515 INFO L130 BoogieDeclarations]: Found specification of procedure rtc_device_register [2020-10-29 03:04:35,515 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_rtc_device_register_23 [2020-10-29 03:04:35,515 INFO L130 BoogieDeclarations]: Found specification of procedure rtc_device_unregister [2020-10-29 03:04:35,516 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_rtc_device_unregister_25 [2020-10-29 03:04:35,516 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_rtc_device_unregister_27 [2020-10-29 03:04:35,516 INFO L130 BoogieDeclarations]: Found specification of procedure rtc_update_irq [2020-10-29 03:04:35,516 INFO L130 BoogieDeclarations]: Found specification of procedure platform_get_resource [2020-10-29 03:04:35,516 INFO L130 BoogieDeclarations]: Found specification of procedure platform_get_irq [2020-10-29 03:04:35,516 INFO L130 BoogieDeclarations]: Found specification of procedure platform_driver_unregister [2020-10-29 03:04:35,517 INFO L130 BoogieDeclarations]: Found specification of procedure platform_driver_probe [2020-10-29 03:04:35,517 INFO L130 BoogieDeclarations]: Found specification of procedure platform_get_drvdata [2020-10-29 03:04:35,517 INFO L130 BoogieDeclarations]: Found specification of procedure platform_set_drvdata [2020-10-29 03:04:35,517 INFO L130 BoogieDeclarations]: Found specification of procedure tegra_rtc_check_busy [2020-10-29 03:04:35,517 INFO L130 BoogieDeclarations]: Found specification of procedure tegra_rtc_wait_while_busy [2020-10-29 03:04:35,517 INFO L130 BoogieDeclarations]: Found specification of procedure tegra_rtc_read_time [2020-10-29 03:04:35,518 INFO L130 BoogieDeclarations]: Found specification of procedure tegra_rtc_set_time [2020-10-29 03:04:35,518 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-10-29 03:04:35,518 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-10-29 03:04:35,518 INFO L130 BoogieDeclarations]: Found specification of procedure tegra_rtc_read_alarm [2020-10-29 03:04:35,518 INFO L130 BoogieDeclarations]: Found specification of procedure tegra_rtc_alarm_irq_enable [2020-10-29 03:04:35,518 INFO L130 BoogieDeclarations]: Found specification of procedure tegra_rtc_set_alarm [2020-10-29 03:04:35,519 INFO L130 BoogieDeclarations]: Found specification of procedure tegra_rtc_proc [2020-10-29 03:04:35,519 INFO L130 BoogieDeclarations]: Found specification of procedure tegra_rtc_irq_handler [2020-10-29 03:04:35,519 INFO L130 BoogieDeclarations]: Found specification of procedure tegra_rtc_probe [2020-10-29 03:04:35,519 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2020-10-29 03:04:35,519 INFO L130 BoogieDeclarations]: Found specification of procedure tegra_rtc_remove [2020-10-29 03:04:35,519 INFO L130 BoogieDeclarations]: Found specification of procedure tegra_rtc_suspend [2020-10-29 03:04:35,519 INFO L130 BoogieDeclarations]: Found specification of procedure tegra_rtc_resume [2020-10-29 03:04:35,520 INFO L130 BoogieDeclarations]: Found specification of procedure tegra_rtc_shutdown [2020-10-29 03:04:35,520 INFO L130 BoogieDeclarations]: Found specification of procedure tegra_rtc_init [2020-10-29 03:04:35,520 INFO L130 BoogieDeclarations]: Found specification of procedure tegra_rtc_exit [2020-10-29 03:04:35,520 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_initialize [2020-10-29 03:04:35,520 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_final_state [2020-10-29 03:04:35,520 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_probe_2 [2020-10-29 03:04:35,521 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_probe_3 [2020-10-29 03:04:35,521 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_release_3 [2020-10-29 03:04:35,521 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-10-29 03:04:35,521 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2020-10-29 03:04:35,521 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_err_ptr [2020-10-29 03:04:35,521 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_is_err_or_null [2020-10-29 03:04:35,521 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_lock_init [2020-10-29 03:04:35,522 INFO L130 BoogieDeclarations]: Found specification of procedure free [2020-10-29 03:04:35,522 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-10-29 03:04:35,522 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-10-29 03:04:35,522 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2020-10-29 03:04:35,522 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-10-29 03:04:36,461 INFO L751 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stopFINAL: assume true; [2020-10-29 03:04:41,425 INFO L293 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-10-29 03:04:41,425 INFO L298 CfgBuilder]: Removed 0 assume(true) statements. [2020-10-29 03:04:41,429 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.10 03:04:41 BoogieIcfgContainer [2020-10-29 03:04:41,429 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-10-29 03:04:41,431 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-10-29 03:04:41,431 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-10-29 03:04:41,435 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-10-29 03:04:41,435 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 29.10 03:04:33" (1/3) ... [2020-10-29 03:04:41,436 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4434de21 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 29.10 03:04:41, skipping insertion in model container [2020-10-29 03:04:41,436 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 03:04:35" (2/3) ... [2020-10-29 03:04:41,436 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4434de21 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 29.10 03:04:41, skipping insertion in model container [2020-10-29 03:04:41,436 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.10 03:04:41" (3/3) ... [2020-10-29 03:04:41,438 INFO L111 eAbstractionObserver]: Analyzing ICFG linux-stable-9ec4f65-1-110_1a-drivers--rtc--rtc-tegra.ko-entry_point.cil.out.i [2020-10-29 03:04:41,450 INFO L164 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:Craig_NestedInterpolation Determinization: PREDICATE_ABSTRACTION [2020-10-29 03:04:41,457 INFO L176 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-10-29 03:04:41,470 INFO L253 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-10-29 03:04:41,503 INFO L377 AbstractCegarLoop]: Interprodecural is true [2020-10-29 03:04:41,503 INFO L378 AbstractCegarLoop]: Hoare is true [2020-10-29 03:04:41,503 INFO L379 AbstractCegarLoop]: Compute interpolants for Craig_NestedInterpolation [2020-10-29 03:04:41,503 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-10-29 03:04:41,503 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-10-29 03:04:41,504 INFO L382 AbstractCegarLoop]: Difference is false [2020-10-29 03:04:41,504 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-10-29 03:04:41,504 INFO L387 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-10-29 03:04:41,536 INFO L276 IsEmpty]: Start isEmpty. Operand 650 states. [2020-10-29 03:04:41,552 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2020-10-29 03:04:41,553 INFO L414 BasicCegarLoop]: Found error trace [2020-10-29 03:04:41,553 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-29 03:04:41,554 INFO L429 AbstractCegarLoop]: === Iteration 1 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-29 03:04:41,560 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-29 03:04:41,560 INFO L82 PathProgramCache]: Analyzing trace with hash 536704248, now seen corresponding path program 1 times [2020-10-29 03:04:41,570 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-29 03:04:41,570 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1916335769] [2020-10-29 03:04:41,571 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-29 03:04:41,822 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 03:04:41,922 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 03:04:42,063 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 03:04:42,233 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 03:04:43,453 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 03:04:43,453 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 75 [2020-10-29 03:04:43,453 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-10-29 03:04:43,454 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1626 [2020-10-29 03:04:43,457 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-29 03:04:43,458 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-29 03:04:43,458 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 03:04:43,458 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 32 [2020-10-29 03:04:43,459 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 12 [2020-10-29 03:04:43,459 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 4 [2020-10-29 03:04:43,908 WARN L193 SmtUtils]: Spent 326.00 ms on a formula simplification that was a NOOP. DAG size: 205 [2020-10-29 03:04:43,910 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-29 03:04:43,924 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 03:04:43,941 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 03:04:43,974 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 03:04:43,975 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-29 03:04:43,975 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 03:04:43,975 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 49 [2020-10-29 03:04:43,975 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-29 03:04:43,975 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-29 03:04:43,976 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 03:04:43,976 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 03:04:43,982 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 03:04:43,982 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 6 [2020-10-29 03:04:44,022 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-29 03:04:44,027 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 03:04:44,031 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 03:04:44,036 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 03:04:44,036 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-29 03:04:44,036 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 03:04:44,036 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-10-29 03:04:44,037 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-29 03:04:44,037 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-29 03:04:44,037 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 03:04:44,037 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 03:04:44,037 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 03:04:44,037 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 03:04:44,043 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-29 03:04:44,046 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 03:04:44,049 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 03:04:44,053 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 03:04:44,053 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-29 03:04:44,054 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 03:04:44,054 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-29 03:04:44,055 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-29 03:04:44,055 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-29 03:04:44,055 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 03:04:44,055 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 03:04:44,055 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 03:04:44,056 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-29 03:04:44,077 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2020-10-29 03:04:44,080 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 03:04:44,085 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 03:04:44,088 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 03:04:44,103 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 03:04:44,103 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-29 03:04:44,104 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-29 03:04:44,104 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 21 [2020-10-29 03:04:44,104 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-29 03:04:44,104 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-29 03:04:44,104 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 03:04:44,105 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 03:04:44,105 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 03:04:44,105 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 03:04:44,126 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2020-10-29 03:04:44,133 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 03:04:44,141 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 03:04:44,150 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 03:04:44,151 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 16 [2020-10-29 03:04:44,151 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 03:04:44,151 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 16 [2020-10-29 03:04:44,151 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-29 03:04:44,151 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-29 03:04:44,152 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 03:04:44,152 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 13 [2020-10-29 03:04:44,152 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 03:04:44,152 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 03:04:44,158 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-29 03:04:44,162 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 03:04:44,165 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 03:04:44,169 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 03:04:44,169 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-29 03:04:44,169 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 03:04:44,169 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-29 03:04:44,170 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-29 03:04:44,170 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-29 03:04:44,170 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 03:04:44,170 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 03:04:44,170 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 03:04:44,171 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-29 03:04:44,194 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-29 03:04:44,195 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1916335769] [2020-10-29 03:04:44,197 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-29 03:04:44,198 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2020-10-29 03:04:44,199 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1460981695] [2020-10-29 03:04:44,203 INFO L461 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-10-29 03:04:44,205 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-29 03:04:44,219 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-10-29 03:04:44,220 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2020-10-29 03:04:44,222 INFO L87 Difference]: Start difference. First operand 650 states. Second operand 7 states. [2020-10-29 03:04:44,735 WARN L193 SmtUtils]: Spent 478.00 ms on a formula simplification that was a NOOP. DAG size: 214 [2020-10-29 03:04:45,232 WARN L193 SmtUtils]: Spent 373.00 ms on a formula simplification that was a NOOP. DAG size: 216 [2020-10-29 03:04:45,702 WARN L193 SmtUtils]: Spent 383.00 ms on a formula simplification that was a NOOP. DAG size: 207 [2020-10-29 03:04:50,984 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-29 03:04:50,985 INFO L93 Difference]: Finished difference Result 1106 states and 1540 transitions. [2020-10-29 03:04:50,987 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2020-10-29 03:04:50,989 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 51 [2020-10-29 03:04:50,989 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-29 03:04:51,016 INFO L225 Difference]: With dead ends: 1106 [2020-10-29 03:04:51,016 INFO L226 Difference]: Without dead ends: 572 [2020-10-29 03:04:51,028 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 23 GetRequests, 13 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 7 ImplicationChecksByTransitivity, 1.7s TimeCoverageRelationStatistics Valid=46, Invalid=86, Unknown=0, NotChecked=0, Total=132 [2020-10-29 03:04:51,085 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 572 states. [2020-10-29 03:04:51,245 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 572 to 374. [2020-10-29 03:04:51,246 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 374 states. [2020-10-29 03:04:51,254 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 374 states to 374 states and 458 transitions. [2020-10-29 03:04:51,258 INFO L78 Accepts]: Start accepts. Automaton has 374 states and 458 transitions. Word has length 51 [2020-10-29 03:04:51,259 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-29 03:04:51,259 INFO L481 AbstractCegarLoop]: Abstraction has 374 states and 458 transitions. [2020-10-29 03:04:51,259 INFO L482 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-10-29 03:04:51,259 INFO L276 IsEmpty]: Start isEmpty. Operand 374 states and 458 transitions. [2020-10-29 03:04:51,275 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 73 [2020-10-29 03:04:51,275 INFO L414 BasicCegarLoop]: Found error trace [2020-10-29 03:04:51,276 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-29 03:04:51,276 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-10-29 03:04:51,276 INFO L429 AbstractCegarLoop]: === Iteration 2 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-29 03:04:51,277 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-29 03:04:51,277 INFO L82 PathProgramCache]: Analyzing trace with hash 1340565236, now seen corresponding path program 1 times [2020-10-29 03:04:51,277 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-29 03:04:51,277 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1585948893] [2020-10-29 03:04:51,278 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-29 03:04:51,346 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 03:04:51,383 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 03:04:51,445 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 03:04:51,520 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 03:04:52,501 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 03:04:52,501 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 106 [2020-10-29 03:04:52,502 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-10-29 03:04:52,502 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1153 [2020-10-29 03:04:52,503 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-29 03:04:52,505 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-29 03:04:52,505 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 03:04:52,505 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 32 [2020-10-29 03:04:52,505 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 9 [2020-10-29 03:04:52,505 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 3 [2020-10-29 03:04:52,933 WARN L193 SmtUtils]: Spent 321.00 ms on a formula simplification that was a NOOP. DAG size: 205 [2020-10-29 03:04:52,934 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-29 03:04:52,942 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 03:04:52,948 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 03:04:52,998 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 03:04:53,000 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-29 03:04:53,000 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 03:04:53,001 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 55 [2020-10-29 03:04:53,001 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-29 03:04:53,001 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-29 03:04:53,001 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 03:04:53,001 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 03:04:53,002 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 03:04:53,002 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 03:04:53,030 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-29 03:04:53,032 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 03:04:53,036 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 03:04:53,042 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 03:04:53,042 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-29 03:04:53,042 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 03:04:53,042 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 8 [2020-10-29 03:04:53,043 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-29 03:04:53,043 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-29 03:04:53,043 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 03:04:53,043 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 03:04:53,043 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 03:04:53,045 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 2 [2020-10-29 03:04:53,049 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-29 03:04:53,050 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 03:04:53,053 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 03:04:53,060 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 03:04:53,060 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-29 03:04:53,061 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 03:04:53,061 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 9 [2020-10-29 03:04:53,061 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-29 03:04:53,061 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-29 03:04:53,061 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 03:04:53,062 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 03:04:53,062 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 03:04:53,062 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-29 03:04:53,082 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2020-10-29 03:04:53,085 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 03:04:53,089 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 03:04:53,092 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 03:04:53,103 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 03:04:53,103 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-29 03:04:53,103 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-29 03:04:53,103 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 17 [2020-10-29 03:04:53,104 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-29 03:04:53,104 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-29 03:04:53,104 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 03:04:53,104 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 03:04:53,104 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 03:04:53,104 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 03:04:53,122 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2020-10-29 03:04:53,126 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 03:04:53,130 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 03:04:53,135 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 03:04:53,136 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 16 [2020-10-29 03:04:53,136 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 03:04:53,136 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 8 [2020-10-29 03:04:53,136 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-29 03:04:53,136 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-29 03:04:53,137 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 03:04:53,137 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 13 [2020-10-29 03:04:53,137 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 03:04:53,137 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-29 03:04:53,143 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-29 03:04:53,148 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 03:04:53,150 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 03:04:53,156 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 03:04:53,156 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-29 03:04:53,157 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 03:04:53,157 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 8 [2020-10-29 03:04:53,157 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-29 03:04:53,157 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-29 03:04:53,157 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 03:04:53,158 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 03:04:53,158 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 03:04:53,158 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 03:04:53,162 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2020-10-29 03:04:53,178 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 03:04:53,196 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 03:04:53,214 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 03:04:53,214 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 31 [2020-10-29 03:04:53,214 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 03:04:53,214 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 34 [2020-10-29 03:04:53,215 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-29 03:04:53,215 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-29 03:04:53,215 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 03:04:53,215 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 28 [2020-10-29 03:04:53,215 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 03:04:53,215 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 03:04:53,223 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-29 03:04:53,224 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 03:04:53,227 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 03:04:53,232 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 03:04:53,232 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 16 [2020-10-29 03:04:53,233 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 03:04:53,233 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-10-29 03:04:53,233 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-29 03:04:53,233 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-29 03:04:53,233 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 03:04:53,234 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 03:04:53,234 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 03:04:53,234 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 03:04:53,238 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-29 03:04:53,240 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 03:04:53,243 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 03:04:53,246 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 03:04:53,246 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-29 03:04:53,246 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 03:04:53,247 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-29 03:04:53,247 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-29 03:04:53,247 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-29 03:04:53,247 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 03:04:53,247 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 03:04:53,248 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 03:04:53,248 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 03:04:53,252 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-29 03:04:53,253 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 03:04:53,256 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 03:04:53,258 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 03:04:53,258 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-29 03:04:53,258 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 03:04:53,259 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-29 03:04:53,259 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-29 03:04:53,259 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-29 03:04:53,259 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 03:04:53,259 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 03:04:53,260 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 03:04:53,260 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 03:04:53,278 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2020-10-29 03:04:53,278 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1585948893] [2020-10-29 03:04:53,278 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-29 03:04:53,279 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2020-10-29 03:04:53,279 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [489892243] [2020-10-29 03:04:53,280 INFO L461 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-10-29 03:04:53,281 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-29 03:04:53,281 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-10-29 03:04:53,282 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2020-10-29 03:04:53,282 INFO L87 Difference]: Start difference. First operand 374 states and 458 transitions. Second operand 7 states. [2020-10-29 03:04:53,631 WARN L193 SmtUtils]: Spent 339.00 ms on a formula simplification that was a NOOP. DAG size: 214 [2020-10-29 03:04:54,185 WARN L193 SmtUtils]: Spent 439.00 ms on a formula simplification that was a NOOP. DAG size: 216 [2020-10-29 03:04:54,629 WARN L193 SmtUtils]: Spent 368.00 ms on a formula simplification that was a NOOP. DAG size: 207 [2020-10-29 03:05:01,826 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-29 03:05:01,826 INFO L93 Difference]: Finished difference Result 1223 states and 1614 transitions. [2020-10-29 03:05:01,834 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2020-10-29 03:05:01,834 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 72 [2020-10-29 03:05:01,834 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-29 03:05:01,845 INFO L225 Difference]: With dead ends: 1223 [2020-10-29 03:05:01,845 INFO L226 Difference]: Without dead ends: 866 [2020-10-29 03:05:01,848 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 33 GetRequests, 22 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 13 ImplicationChecksByTransitivity, 1.6s TimeCoverageRelationStatistics Valid=54, Invalid=102, Unknown=0, NotChecked=0, Total=156 [2020-10-29 03:05:01,850 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 866 states. [2020-10-29 03:05:02,023 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 866 to 556. [2020-10-29 03:05:02,023 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 556 states. [2020-10-29 03:05:02,033 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 556 states to 556 states and 688 transitions. [2020-10-29 03:05:02,035 INFO L78 Accepts]: Start accepts. Automaton has 556 states and 688 transitions. Word has length 72 [2020-10-29 03:05:02,036 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-29 03:05:02,036 INFO L481 AbstractCegarLoop]: Abstraction has 556 states and 688 transitions. [2020-10-29 03:05:02,036 INFO L482 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-10-29 03:05:02,036 INFO L276 IsEmpty]: Start isEmpty. Operand 556 states and 688 transitions. [2020-10-29 03:05:02,046 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 75 [2020-10-29 03:05:02,047 INFO L414 BasicCegarLoop]: Found error trace [2020-10-29 03:05:02,048 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-29 03:05:02,048 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-10-29 03:05:02,049 INFO L429 AbstractCegarLoop]: === Iteration 3 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-29 03:05:02,049 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-29 03:05:02,049 INFO L82 PathProgramCache]: Analyzing trace with hash 1008877216, now seen corresponding path program 1 times [2020-10-29 03:05:02,050 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-29 03:05:02,050 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [878214410] [2020-10-29 03:05:02,050 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-29 03:05:02,100 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 03:05:02,127 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 03:05:02,170 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 03:05:02,594 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 03:05:06,362 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 03:05:06,362 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 110 [2020-10-29 03:05:06,362 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-10-29 03:05:06,363 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4258 [2020-10-29 03:05:06,363 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-29 03:05:06,363 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-29 03:05:06,363 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-10-29 03:05:06,363 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 26 [2020-10-29 03:05:06,364 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-10-29 03:05:06,364 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 03:05:06,823 WARN L193 SmtUtils]: Spent 393.00 ms on a formula simplification that was a NOOP. DAG size: 205 [2020-10-29 03:05:06,824 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-29 03:05:06,833 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 03:05:06,838 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 03:05:06,886 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 03:05:06,887 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-29 03:05:06,887 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 03:05:06,887 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 53 [2020-10-29 03:05:06,887 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-29 03:05:06,888 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-29 03:05:06,888 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 03:05:06,888 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 03:05:06,888 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 03:05:06,889 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-29 03:05:06,919 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-29 03:05:06,921 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 03:05:06,924 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 03:05:06,927 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 03:05:06,928 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-29 03:05:06,928 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 03:05:06,928 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-29 03:05:06,928 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-29 03:05:06,929 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-29 03:05:06,929 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 03:05:06,929 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 03:05:06,929 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 03:05:06,929 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-29 03:05:06,935 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-29 03:05:06,936 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 03:05:06,939 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 03:05:06,940 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 03:05:06,940 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-29 03:05:06,941 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 03:05:06,941 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-29 03:05:06,941 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-29 03:05:06,941 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-29 03:05:06,942 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 03:05:06,942 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 03:05:06,942 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 03:05:06,942 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-29 03:05:06,963 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2020-10-29 03:05:06,966 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 03:05:06,970 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 03:05:06,978 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 03:05:06,978 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-29 03:05:06,978 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 03:05:06,979 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 11 [2020-10-29 03:05:06,979 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-29 03:05:06,979 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-29 03:05:06,979 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-10-29 03:05:06,979 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-10-29 03:05:06,980 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-29 03:05:06,980 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-29 03:05:07,024 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2020-10-29 03:05:07,027 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 03:05:07,031 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 03:05:07,037 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 03:05:07,037 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 16 [2020-10-29 03:05:07,037 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 03:05:07,038 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 8 [2020-10-29 03:05:07,038 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-29 03:05:07,038 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-29 03:05:07,038 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 03:05:07,038 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 13 [2020-10-29 03:05:07,039 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 03:05:07,039 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-29 03:05:07,043 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-29 03:05:07,045 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 03:05:07,048 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 03:05:07,050 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 03:05:07,051 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-29 03:05:07,051 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 03:05:07,051 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-29 03:05:07,051 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-29 03:05:07,052 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-29 03:05:07,052 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 03:05:07,052 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 03:05:07,052 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 03:05:07,052 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-29 03:05:07,057 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2020-10-29 03:05:07,062 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 03:05:07,067 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 03:05:07,078 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 03:05:07,078 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 31 [2020-10-29 03:05:07,079 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 03:05:07,079 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 15 [2020-10-29 03:05:07,079 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-29 03:05:07,079 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-29 03:05:07,080 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 03:05:07,080 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 28 [2020-10-29 03:05:07,080 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 03:05:07,080 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-29 03:05:07,087 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-29 03:05:07,089 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 03:05:07,092 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 03:05:07,098 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 03:05:07,098 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 16 [2020-10-29 03:05:07,098 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 03:05:07,098 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 8 [2020-10-29 03:05:07,099 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-29 03:05:07,099 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-29 03:05:07,099 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 03:05:07,099 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 03:05:07,100 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 03:05:07,100 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-29 03:05:07,105 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-29 03:05:07,107 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 03:05:07,110 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 03:05:07,112 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 03:05:07,113 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-29 03:05:07,113 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 03:05:07,113 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-29 03:05:07,113 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-29 03:05:07,113 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-29 03:05:07,114 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 03:05:07,114 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 03:05:07,114 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 03:05:07,114 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-29 03:05:07,119 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-29 03:05:07,120 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 03:05:07,123 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 03:05:07,125 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 03:05:07,125 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-29 03:05:07,125 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 03:05:07,125 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-29 03:05:07,125 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-29 03:05:07,126 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-29 03:05:07,126 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 03:05:07,126 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 03:05:07,126 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 03:05:07,127 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-29 03:05:07,147 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2020-10-29 03:05:07,148 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [878214410] [2020-10-29 03:05:07,148 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-29 03:05:07,148 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2020-10-29 03:05:07,149 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1456774649] [2020-10-29 03:05:07,149 INFO L461 AbstractCegarLoop]: Interpolant automaton has 8 states [2020-10-29 03:05:07,149 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-29 03:05:07,150 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2020-10-29 03:05:07,150 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=41, Unknown=0, NotChecked=0, Total=56 [2020-10-29 03:05:07,151 INFO L87 Difference]: Start difference. First operand 556 states and 688 transitions. Second operand 8 states. [2020-10-29 03:05:07,539 WARN L193 SmtUtils]: Spent 375.00 ms on a formula simplification that was a NOOP. DAG size: 214 [2020-10-29 03:05:08,119 WARN L193 SmtUtils]: Spent 377.00 ms on a formula simplification that was a NOOP. DAG size: 217 [2020-10-29 03:05:08,535 WARN L193 SmtUtils]: Spent 379.00 ms on a formula simplification that was a NOOP. DAG size: 219 [2020-10-29 03:05:12,617 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-29 03:05:12,618 INFO L93 Difference]: Finished difference Result 1249 states and 1585 transitions. [2020-10-29 03:05:12,618 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2020-10-29 03:05:12,619 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 74 [2020-10-29 03:05:12,619 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-29 03:05:12,627 INFO L225 Difference]: With dead ends: 1249 [2020-10-29 03:05:12,627 INFO L226 Difference]: Without dead ends: 721 [2020-10-29 03:05:12,630 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 28 GetRequests, 18 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 1.6s TimeCoverageRelationStatistics Valid=47, Invalid=85, Unknown=0, NotChecked=0, Total=132 [2020-10-29 03:05:12,632 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 721 states. [2020-10-29 03:05:12,776 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 721 to 557. [2020-10-29 03:05:12,777 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 557 states. [2020-10-29 03:05:12,781 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 557 states to 557 states and 689 transitions. [2020-10-29 03:05:12,782 INFO L78 Accepts]: Start accepts. Automaton has 557 states and 689 transitions. Word has length 74 [2020-10-29 03:05:12,784 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-29 03:05:12,784 INFO L481 AbstractCegarLoop]: Abstraction has 557 states and 689 transitions. [2020-10-29 03:05:12,784 INFO L482 AbstractCegarLoop]: Interpolant automaton has 8 states. [2020-10-29 03:05:12,784 INFO L276 IsEmpty]: Start isEmpty. Operand 557 states and 689 transitions. [2020-10-29 03:05:12,790 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 76 [2020-10-29 03:05:12,790 INFO L414 BasicCegarLoop]: Found error trace [2020-10-29 03:05:12,791 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-29 03:05:12,791 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-10-29 03:05:12,791 INFO L429 AbstractCegarLoop]: === Iteration 4 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-29 03:05:12,794 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-29 03:05:12,794 INFO L82 PathProgramCache]: Analyzing trace with hash -1907598800, now seen corresponding path program 1 times [2020-10-29 03:05:12,794 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-29 03:05:12,794 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [2064527084] [2020-10-29 03:05:12,795 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-29 03:05:12,840 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 03:05:12,865 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 03:05:13,050 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 03:05:13,273 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 03:05:16,782 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 03:05:16,782 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 111 [2020-10-29 03:05:16,783 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-10-29 03:05:16,783 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3939 [2020-10-29 03:05:16,784 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-29 03:05:16,784 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-29 03:05:16,784 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-29 03:05:16,784 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 26 [2020-10-29 03:05:16,785 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-29 03:05:16,785 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-29 03:05:17,199 WARN L193 SmtUtils]: Spent 368.00 ms on a formula simplification that was a NOOP. DAG size: 205 [2020-10-29 03:05:17,200 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-29 03:05:17,208 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 03:05:17,212 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 03:05:17,230 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 03:05:17,231 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-29 03:05:17,231 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 03:05:17,231 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 22 [2020-10-29 03:05:17,231 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-29 03:05:17,232 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-29 03:05:17,232 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 03:05:17,232 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 03:05:17,232 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 03:05:17,232 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 03:05:17,259 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-29 03:05:17,260 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 03:05:17,263 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 03:05:17,265 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 03:05:17,266 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-29 03:05:17,266 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 03:05:17,266 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-29 03:05:17,266 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-29 03:05:17,266 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-29 03:05:17,267 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 03:05:17,267 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 03:05:17,267 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 03:05:17,267 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 03:05:17,271 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-29 03:05:17,272 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 03:05:17,274 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 03:05:17,276 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 03:05:17,277 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-29 03:05:17,277 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 03:05:17,277 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-29 03:05:17,277 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-29 03:05:17,278 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-29 03:05:17,278 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 03:05:17,278 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 03:05:17,278 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 03:05:17,278 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-29 03:05:17,296 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2020-10-29 03:05:17,299 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 03:05:17,304 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 03:05:17,327 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 03:05:17,327 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-29 03:05:17,327 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 03:05:17,327 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 26 [2020-10-29 03:05:17,328 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-29 03:05:17,328 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-29 03:05:17,328 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-29 03:05:17,328 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-10-29 03:05:17,328 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-10-29 03:05:17,329 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-29 03:05:17,389 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2020-10-29 03:05:17,392 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 03:05:17,396 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 03:05:17,401 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 03:05:17,401 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 16 [2020-10-29 03:05:17,402 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 03:05:17,402 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 8 [2020-10-29 03:05:17,402 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-29 03:05:17,402 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-29 03:05:17,402 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 03:05:17,403 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 13 [2020-10-29 03:05:17,403 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 03:05:17,403 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-29 03:05:17,407 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-29 03:05:17,408 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 03:05:17,411 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 03:05:17,413 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 03:05:17,413 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-29 03:05:17,414 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 03:05:17,414 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-29 03:05:17,414 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-29 03:05:17,414 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-29 03:05:17,415 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 03:05:17,415 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 03:05:17,415 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 03:05:17,415 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 03:05:17,419 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2020-10-29 03:05:17,424 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 03:05:17,432 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 03:05:17,445 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 03:05:17,446 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 31 [2020-10-29 03:05:17,446 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 03:05:17,446 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 18 [2020-10-29 03:05:17,446 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-29 03:05:17,447 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-29 03:05:17,447 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 03:05:17,447 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 28 [2020-10-29 03:05:17,447 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 03:05:17,447 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-29 03:05:17,454 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-29 03:05:17,456 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 03:05:17,458 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 03:05:17,464 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 03:05:17,464 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 16 [2020-10-29 03:05:17,464 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 03:05:17,464 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-10-29 03:05:17,465 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-29 03:05:17,465 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-29 03:05:17,465 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 03:05:17,465 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 03:05:17,466 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 03:05:17,466 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-29 03:05:17,470 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-29 03:05:17,472 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 03:05:17,475 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 03:05:17,477 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 03:05:17,477 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-29 03:05:17,477 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 03:05:17,477 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-29 03:05:17,478 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-29 03:05:17,478 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-29 03:05:17,478 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 03:05:17,478 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 03:05:17,478 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 03:05:17,479 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-29 03:05:17,482 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-29 03:05:17,483 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 03:05:17,486 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 03:05:17,487 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 03:05:17,487 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-29 03:05:17,488 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 03:05:17,488 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-29 03:05:17,488 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-29 03:05:17,488 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-29 03:05:17,488 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 03:05:17,489 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 03:05:17,489 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 03:05:17,489 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-29 03:05:17,510 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2020-10-29 03:05:17,512 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [2064527084] [2020-10-29 03:05:17,513 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-29 03:05:17,513 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9] total 9 [2020-10-29 03:05:17,513 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [193493120] [2020-10-29 03:05:17,515 INFO L461 AbstractCegarLoop]: Interpolant automaton has 9 states [2020-10-29 03:05:17,515 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-29 03:05:17,515 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2020-10-29 03:05:17,516 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=54, Unknown=0, NotChecked=0, Total=72 [2020-10-29 03:05:17,516 INFO L87 Difference]: Start difference. First operand 557 states and 689 transitions. Second operand 9 states. [2020-10-29 03:05:17,883 WARN L193 SmtUtils]: Spent 352.00 ms on a formula simplification that was a NOOP. DAG size: 214 [2020-10-29 03:05:18,564 WARN L193 SmtUtils]: Spent 404.00 ms on a formula simplification that was a NOOP. DAG size: 217 [2020-10-29 03:05:18,984 WARN L193 SmtUtils]: Spent 372.00 ms on a formula simplification that was a NOOP. DAG size: 208 [2020-10-29 03:05:19,427 WARN L193 SmtUtils]: Spent 398.00 ms on a formula simplification that was a NOOP. DAG size: 210 [2020-10-29 03:05:24,724 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-29 03:05:24,725 INFO L93 Difference]: Finished difference Result 1250 states and 1586 transitions. [2020-10-29 03:05:24,727 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2020-10-29 03:05:24,727 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 75 [2020-10-29 03:05:24,727 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-29 03:05:24,733 INFO L225 Difference]: With dead ends: 1250 [2020-10-29 03:05:24,733 INFO L226 Difference]: Without dead ends: 722 [2020-10-29 03:05:24,735 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 30 GetRequests, 18 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 11 ImplicationChecksByTransitivity, 2.0s TimeCoverageRelationStatistics Valid=53, Invalid=129, Unknown=0, NotChecked=0, Total=182 [2020-10-29 03:05:24,736 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 722 states. [2020-10-29 03:05:24,839 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 722 to 558. [2020-10-29 03:05:24,840 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 558 states. [2020-10-29 03:05:24,843 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 558 states to 558 states and 690 transitions. [2020-10-29 03:05:24,844 INFO L78 Accepts]: Start accepts. Automaton has 558 states and 690 transitions. Word has length 75 [2020-10-29 03:05:24,844 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-29 03:05:24,844 INFO L481 AbstractCegarLoop]: Abstraction has 558 states and 690 transitions. [2020-10-29 03:05:24,844 INFO L482 AbstractCegarLoop]: Interpolant automaton has 9 states. [2020-10-29 03:05:24,845 INFO L276 IsEmpty]: Start isEmpty. Operand 558 states and 690 transitions. [2020-10-29 03:05:24,846 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 77 [2020-10-29 03:05:24,847 INFO L414 BasicCegarLoop]: Found error trace [2020-10-29 03:05:24,847 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-29 03:05:24,847 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2020-10-29 03:05:24,848 INFO L429 AbstractCegarLoop]: === Iteration 5 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-29 03:05:24,848 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-29 03:05:24,848 INFO L82 PathProgramCache]: Analyzing trace with hash -2124042080, now seen corresponding path program 2 times [2020-10-29 03:05:24,848 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-29 03:05:24,849 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1480699304] [2020-10-29 03:05:24,849 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-29 03:05:24,921 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 03:05:24,949 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 03:05:25,099 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 03:05:25,557 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 03:05:29,726 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 03:05:29,726 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 112 [2020-10-29 03:05:29,726 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-10-29 03:05:29,727 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4803 [2020-10-29 03:05:29,727 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-29 03:05:29,727 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-29 03:05:29,727 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 8 [2020-10-29 03:05:29,727 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-29 03:05:29,727 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 45 [2020-10-29 03:05:29,728 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 03:05:30,198 WARN L193 SmtUtils]: Spent 367.00 ms on a formula simplification that was a NOOP. DAG size: 205 [2020-10-29 03:05:30,200 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-29 03:05:30,215 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 03:05:30,228 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 03:05:30,278 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 03:05:30,278 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-29 03:05:30,278 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 03:05:30,279 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 61 [2020-10-29 03:05:30,279 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-29 03:05:30,279 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-29 03:05:30,279 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 03:05:30,279 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 03:05:30,280 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-10-29 03:05:30,280 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 03:05:30,316 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-29 03:05:30,319 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 03:05:30,322 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 03:05:30,327 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 03:05:30,328 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-29 03:05:30,328 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 03:05:30,328 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-10-29 03:05:30,328 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-29 03:05:30,328 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-29 03:05:30,329 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 03:05:30,329 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 03:05:30,329 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-29 03:05:30,329 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 03:05:30,334 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-29 03:05:30,335 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 03:05:30,338 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 03:05:30,340 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 03:05:30,340 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-29 03:05:30,341 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 03:05:30,341 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-29 03:05:30,341 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-29 03:05:30,341 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-29 03:05:30,341 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 03:05:30,342 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 03:05:30,342 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-10-29 03:05:30,342 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 03:05:30,365 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2020-10-29 03:05:30,374 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 03:05:30,378 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 03:05:30,384 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 03:05:30,435 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 03:05:30,435 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-29 03:05:30,435 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-29 03:05:30,435 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 60 [2020-10-29 03:05:30,436 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-29 03:05:30,436 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-29 03:05:30,436 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 03:05:30,436 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 03:05:30,436 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-10-29 03:05:30,437 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-29 03:05:30,465 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2020-10-29 03:05:30,468 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 03:05:30,472 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 03:05:30,477 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 03:05:30,478 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 16 [2020-10-29 03:05:30,478 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 03:05:30,478 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 8 [2020-10-29 03:05:30,478 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-29 03:05:30,478 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-29 03:05:30,479 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 03:05:30,479 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 13 [2020-10-29 03:05:30,479 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 03:05:30,479 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 03:05:30,483 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-29 03:05:30,485 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 03:05:30,487 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 03:05:30,490 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 03:05:30,490 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-29 03:05:30,490 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 03:05:30,490 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-29 03:05:30,490 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-29 03:05:30,491 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-29 03:05:30,491 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 03:05:30,491 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 03:05:30,491 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 03:05:30,491 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 03:05:30,496 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 48 [2020-10-29 03:05:30,501 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 03:05:30,506 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 03:05:30,516 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 03:05:30,517 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 31 [2020-10-29 03:05:30,517 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 03:05:30,517 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 15 [2020-10-29 03:05:30,517 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-29 03:05:30,517 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-29 03:05:30,518 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 03:05:30,518 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 28 [2020-10-29 03:05:30,518 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 03:05:30,518 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 03:05:30,524 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-29 03:05:30,526 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 03:05:30,528 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 03:05:30,533 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 03:05:30,533 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 16 [2020-10-29 03:05:30,534 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 03:05:30,534 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-10-29 03:05:30,534 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-29 03:05:30,534 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-29 03:05:30,534 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 03:05:30,535 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 03:05:30,535 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 03:05:30,535 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 03:05:30,540 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-29 03:05:30,541 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 03:05:30,544 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 03:05:30,546 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 03:05:30,547 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-29 03:05:30,547 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 03:05:30,547 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-29 03:05:30,548 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-29 03:05:30,548 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-29 03:05:30,548 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 03:05:30,548 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 03:05:30,548 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 03:05:30,549 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-29 03:05:30,553 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-29 03:05:30,554 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 03:05:30,556 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 03:05:30,558 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 03:05:30,558 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-29 03:05:30,558 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 03:05:30,559 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-29 03:05:30,559 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-29 03:05:30,559 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-29 03:05:30,590 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 03:05:30,590 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 03:05:30,590 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 03:05:30,590 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 31 [2020-10-29 03:05:30,618 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2020-10-29 03:05:30,618 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1480699304] [2020-10-29 03:05:30,619 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-29 03:05:30,619 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2020-10-29 03:05:30,619 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1540977587] [2020-10-29 03:05:30,620 INFO L461 AbstractCegarLoop]: Interpolant automaton has 9 states [2020-10-29 03:05:30,620 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-29 03:05:30,620 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2020-10-29 03:05:30,621 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=55, Unknown=0, NotChecked=0, Total=72 [2020-10-29 03:05:30,621 INFO L87 Difference]: Start difference. First operand 558 states and 690 transitions. Second operand 9 states. [2020-10-29 03:05:31,019 WARN L193 SmtUtils]: Spent 375.00 ms on a formula simplification that was a NOOP. DAG size: 214 [2020-10-29 03:05:31,553 WARN L193 SmtUtils]: Spent 396.00 ms on a formula simplification that was a NOOP. DAG size: 216 [2020-10-29 03:05:32,009 WARN L193 SmtUtils]: Spent 352.00 ms on a formula simplification that was a NOOP. DAG size: 207 [2020-10-29 03:05:32,817 WARN L193 SmtUtils]: Spent 398.00 ms on a formula simplification that was a NOOP. DAG size: 218 [2020-10-29 03:05:33,321 WARN L193 SmtUtils]: Spent 441.00 ms on a formula simplification that was a NOOP. DAG size: 220 [2020-10-29 03:05:33,887 WARN L193 SmtUtils]: Spent 418.00 ms on a formula simplification that was a NOOP. DAG size: 218 [2020-10-29 03:05:34,868 WARN L193 SmtUtils]: Spent 370.00 ms on a formula simplification that was a NOOP. DAG size: 217 [2020-10-29 03:05:43,736 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-29 03:05:43,736 INFO L93 Difference]: Finished difference Result 1941 states and 2501 transitions. [2020-10-29 03:05:43,737 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2020-10-29 03:05:43,737 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 76 [2020-10-29 03:05:43,737 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-29 03:05:43,746 INFO L225 Difference]: With dead ends: 1941 [2020-10-29 03:05:43,747 INFO L226 Difference]: Without dead ends: 1416 [2020-10-29 03:05:43,749 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 40 GetRequests, 23 SyntacticMatches, 0 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 38 ImplicationChecksByTransitivity, 3.4s TimeCoverageRelationStatistics Valid=114, Invalid=228, Unknown=0, NotChecked=0, Total=342 [2020-10-29 03:05:43,752 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1416 states. [2020-10-29 03:05:43,978 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1416 to 1105. [2020-10-29 03:05:43,978 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1105 states. [2020-10-29 03:05:43,983 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1105 states to 1105 states and 1380 transitions. [2020-10-29 03:05:43,984 INFO L78 Accepts]: Start accepts. Automaton has 1105 states and 1380 transitions. Word has length 76 [2020-10-29 03:05:43,985 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-29 03:05:43,985 INFO L481 AbstractCegarLoop]: Abstraction has 1105 states and 1380 transitions. [2020-10-29 03:05:43,986 INFO L482 AbstractCegarLoop]: Interpolant automaton has 9 states. [2020-10-29 03:05:43,986 INFO L276 IsEmpty]: Start isEmpty. Operand 1105 states and 1380 transitions. [2020-10-29 03:05:43,988 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 78 [2020-10-29 03:05:43,988 INFO L414 BasicCegarLoop]: Found error trace [2020-10-29 03:05:43,989 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-29 03:05:43,989 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2020-10-29 03:05:43,989 INFO L429 AbstractCegarLoop]: === Iteration 6 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-29 03:05:43,989 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-29 03:05:43,989 INFO L82 PathProgramCache]: Analyzing trace with hash -42402332, now seen corresponding path program 1 times [2020-10-29 03:05:43,990 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-29 03:05:43,990 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [298574334] [2020-10-29 03:05:43,991 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-29 03:05:44,033 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 03:05:44,055 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 03:05:44,137 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 03:05:44,366 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 03:05:46,773 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 03:05:46,773 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 113 [2020-10-29 03:05:46,773 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-10-29 03:05:46,773 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2738 [2020-10-29 03:05:46,773 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-29 03:05:46,774 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-29 03:05:46,774 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-10-29 03:05:46,774 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-29 03:05:46,774 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 46 [2020-10-29 03:05:46,774 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 03:05:47,152 WARN L193 SmtUtils]: Spent 307.00 ms on a formula simplification that was a NOOP. DAG size: 205 [2020-10-29 03:05:47,153 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-29 03:05:47,168 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 03:05:47,179 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 03:05:47,250 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 03:05:47,250 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-29 03:05:47,250 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 03:05:47,250 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 80 [2020-10-29 03:05:47,250 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-29 03:05:47,251 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-29 03:05:47,251 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 03:05:47,251 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 03:05:47,251 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-10-29 03:05:47,251 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 03:05:47,287 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-29 03:05:47,289 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 03:05:47,292 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 03:05:47,296 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 03:05:47,296 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-29 03:05:47,296 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 03:05:47,296 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-29 03:05:47,297 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-29 03:05:47,297 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-29 03:05:47,297 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 03:05:47,297 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 03:05:47,297 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-29 03:05:47,297 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 03:05:47,301 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-29 03:05:47,306 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 03:05:47,308 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 03:05:47,310 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 03:05:47,310 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-29 03:05:47,310 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 03:05:47,310 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-29 03:05:47,310 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-29 03:05:47,310 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-29 03:05:47,311 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 03:05:47,311 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 03:05:47,311 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-10-29 03:05:47,311 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 03:05:47,330 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2020-10-29 03:05:47,334 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 03:05:47,338 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 03:05:47,347 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 03:05:47,380 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 03:05:47,381 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-29 03:05:47,381 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-29 03:05:47,381 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 45 [2020-10-29 03:05:47,381 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-29 03:05:47,381 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-29 03:05:47,382 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 03:05:47,382 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 03:05:47,382 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-10-29 03:05:47,382 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 03:05:47,406 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-10-29 03:05:47,408 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 03:05:47,411 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 03:05:47,415 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 03:05:47,416 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 16 [2020-10-29 03:05:47,416 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 03:05:47,416 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-10-29 03:05:47,416 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-29 03:05:47,416 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-29 03:05:47,417 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 03:05:47,417 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 13 [2020-10-29 03:05:47,417 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 03:05:47,417 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 03:05:47,421 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-29 03:05:47,422 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 03:05:47,424 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 03:05:47,426 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 03:05:47,426 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-29 03:05:47,426 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 03:05:47,426 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-29 03:05:47,426 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-29 03:05:47,427 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-29 03:05:47,427 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 03:05:47,427 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 03:05:47,427 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 03:05:47,427 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 03:05:47,430 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 49 [2020-10-29 03:05:47,434 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 03:05:47,439 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 03:05:47,446 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 03:05:47,447 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 31 [2020-10-29 03:05:47,447 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 03:05:47,447 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 11 [2020-10-29 03:05:47,447 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-29 03:05:47,447 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-29 03:05:47,448 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 03:05:47,448 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 28 [2020-10-29 03:05:47,448 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 03:05:47,448 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 03:05:47,453 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-29 03:05:47,455 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 03:05:47,457 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 03:05:47,460 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 03:05:47,460 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 16 [2020-10-29 03:05:47,460 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 03:05:47,461 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-29 03:05:47,461 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-29 03:05:47,461 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-29 03:05:47,461 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 03:05:47,461 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 03:05:47,461 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 03:05:47,462 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 03:05:47,465 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-29 03:05:47,467 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 03:05:47,469 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 03:05:47,471 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 03:05:47,471 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-29 03:05:47,471 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 03:05:47,471 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-29 03:05:47,471 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-29 03:05:47,472 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-29 03:05:47,472 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 03:05:47,472 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 03:05:47,472 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 03:05:47,472 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 03:05:47,476 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-29 03:05:47,477 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 03:05:47,479 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 03:05:47,480 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 03:05:47,480 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-29 03:05:47,480 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 03:05:47,481 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-29 03:05:47,481 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-29 03:05:47,481 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-29 03:05:47,481 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 03:05:47,481 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 03:05:47,481 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 03:05:47,482 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 03:05:47,497 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2020-10-29 03:05:47,498 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [298574334] [2020-10-29 03:05:47,498 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-29 03:05:47,498 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2020-10-29 03:05:47,498 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [82272073] [2020-10-29 03:05:47,499 INFO L461 AbstractCegarLoop]: Interpolant automaton has 9 states [2020-10-29 03:05:47,499 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-29 03:05:47,499 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2020-10-29 03:05:47,500 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=55, Unknown=0, NotChecked=0, Total=72 [2020-10-29 03:05:47,500 INFO L87 Difference]: Start difference. First operand 1105 states and 1380 transitions. Second operand 9 states. [2020-10-29 03:05:47,857 WARN L193 SmtUtils]: Spent 344.00 ms on a formula simplification that was a NOOP. DAG size: 214 [2020-10-29 03:05:48,391 WARN L193 SmtUtils]: Spent 416.00 ms on a formula simplification that was a NOOP. DAG size: 216 [2020-10-29 03:05:48,903 WARN L193 SmtUtils]: Spent 406.00 ms on a formula simplification that was a NOOP. DAG size: 207 [2020-10-29 03:05:49,764 WARN L193 SmtUtils]: Spent 420.00 ms on a formula simplification that was a NOOP. DAG size: 218 [2020-10-29 03:05:50,249 WARN L193 SmtUtils]: Spent 420.00 ms on a formula simplification that was a NOOP. DAG size: 218 [2020-10-29 03:05:50,703 WARN L193 SmtUtils]: Spent 429.00 ms on a formula simplification that was a NOOP. DAG size: 220 [2020-10-29 03:05:55,943 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-29 03:05:55,944 INFO L93 Difference]: Finished difference Result 2479 states and 3178 transitions. [2020-10-29 03:05:55,944 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2020-10-29 03:05:55,945 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 77 [2020-10-29 03:05:55,945 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-29 03:05:55,954 INFO L225 Difference]: With dead ends: 2479 [2020-10-29 03:05:55,955 INFO L226 Difference]: Without dead ends: 1407 [2020-10-29 03:05:55,959 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 36 GetRequests, 21 SyntacticMatches, 0 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 17 ImplicationChecksByTransitivity, 2.9s TimeCoverageRelationStatistics Valid=92, Invalid=180, Unknown=0, NotChecked=0, Total=272 [2020-10-29 03:05:55,961 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1407 states. [2020-10-29 03:05:56,157 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1407 to 1113. [2020-10-29 03:05:56,157 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1113 states. [2020-10-29 03:05:56,162 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1113 states to 1113 states and 1382 transitions. [2020-10-29 03:05:56,163 INFO L78 Accepts]: Start accepts. Automaton has 1113 states and 1382 transitions. Word has length 77 [2020-10-29 03:05:56,163 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-29 03:05:56,163 INFO L481 AbstractCegarLoop]: Abstraction has 1113 states and 1382 transitions. [2020-10-29 03:05:56,164 INFO L482 AbstractCegarLoop]: Interpolant automaton has 9 states. [2020-10-29 03:05:56,164 INFO L276 IsEmpty]: Start isEmpty. Operand 1113 states and 1382 transitions. [2020-10-29 03:05:56,166 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 79 [2020-10-29 03:05:56,166 INFO L414 BasicCegarLoop]: Found error trace [2020-10-29 03:05:56,166 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-29 03:05:56,167 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2020-10-29 03:05:56,167 INFO L429 AbstractCegarLoop]: === Iteration 7 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-29 03:05:56,167 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-29 03:05:56,167 INFO L82 PathProgramCache]: Analyzing trace with hash 263769853, now seen corresponding path program 1 times [2020-10-29 03:05:56,168 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-29 03:05:56,168 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1016503635] [2020-10-29 03:05:56,168 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-29 03:05:56,226 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 03:05:56,247 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 03:05:56,336 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 03:05:56,703 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 03:05:58,504 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 03:05:58,504 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 114 [2020-10-29 03:05:58,504 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-10-29 03:05:58,504 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2276 [2020-10-29 03:05:58,505 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-29 03:05:58,505 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-29 03:05:58,505 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-10-29 03:05:58,505 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-29 03:05:58,505 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 47 [2020-10-29 03:05:58,505 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 03:05:58,914 WARN L193 SmtUtils]: Spent 336.00 ms on a formula simplification that was a NOOP. DAG size: 205 [2020-10-29 03:05:58,915 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-29 03:05:58,933 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 03:05:58,946 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 03:05:59,012 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 03:05:59,012 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-29 03:05:59,013 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 03:05:59,013 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 78 [2020-10-29 03:05:59,013 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-29 03:05:59,013 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-29 03:05:59,014 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 03:05:59,014 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 03:05:59,014 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-10-29 03:05:59,014 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-29 03:05:59,059 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-29 03:05:59,066 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 03:05:59,070 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 03:05:59,076 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 03:05:59,077 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-29 03:05:59,077 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 03:05:59,077 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 9 [2020-10-29 03:05:59,078 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-29 03:05:59,078 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-29 03:05:59,078 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 03:05:59,078 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 03:05:59,079 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-29 03:05:59,079 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-29 03:05:59,082 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-29 03:05:59,084 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 03:05:59,090 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 03:05:59,093 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 03:05:59,093 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-29 03:05:59,093 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 03:05:59,094 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 8 [2020-10-29 03:05:59,094 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-29 03:05:59,094 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-29 03:05:59,094 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 03:05:59,095 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 03:05:59,095 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-10-29 03:05:59,095 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-29 03:05:59,119 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2020-10-29 03:05:59,125 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 03:05:59,176 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 03:05:59,191 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 03:05:59,259 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 03:05:59,260 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-29 03:05:59,260 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-29 03:05:59,260 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 133 [2020-10-29 03:05:59,261 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-29 03:05:59,261 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-29 03:05:59,264 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 03:05:59,264 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 03:05:59,265 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-10-29 03:05:59,265 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 4 [2020-10-29 03:05:59,300 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2020-10-29 03:05:59,303 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 03:05:59,307 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 03:05:59,312 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 03:05:59,312 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 16 [2020-10-29 03:05:59,312 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 03:05:59,312 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 8 [2020-10-29 03:05:59,313 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-29 03:05:59,313 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-29 03:05:59,313 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 03:05:59,314 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 13 [2020-10-29 03:05:59,314 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 03:05:59,314 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-29 03:05:59,320 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-29 03:05:59,321 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 03:05:59,324 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 03:05:59,326 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 03:05:59,326 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-29 03:05:59,327 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 03:05:59,327 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-29 03:05:59,327 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-29 03:05:59,327 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-29 03:05:59,328 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 03:05:59,328 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 03:05:59,328 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 03:05:59,329 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-29 03:05:59,333 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2020-10-29 03:05:59,336 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 03:05:59,341 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 03:05:59,350 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 03:05:59,350 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 31 [2020-10-29 03:05:59,351 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 03:05:59,351 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 12 [2020-10-29 03:05:59,351 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-29 03:05:59,351 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-29 03:05:59,352 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 03:05:59,352 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 28 [2020-10-29 03:05:59,352 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 03:05:59,352 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-29 03:05:59,359 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-29 03:05:59,361 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 03:05:59,364 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 03:05:59,369 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 03:05:59,370 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 16 [2020-10-29 03:05:59,370 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 03:05:59,370 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-10-29 03:05:59,371 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-29 03:05:59,371 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-29 03:05:59,371 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 03:05:59,371 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 03:05:59,372 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 03:05:59,372 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-29 03:05:59,377 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-29 03:05:59,379 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 03:05:59,381 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 03:05:59,383 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 03:05:59,383 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-29 03:05:59,384 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 03:05:59,384 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-29 03:05:59,384 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-29 03:05:59,384 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-29 03:05:59,385 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 03:05:59,385 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 03:05:59,385 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 03:05:59,386 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-29 03:05:59,390 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-29 03:05:59,391 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 03:05:59,394 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 03:05:59,396 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 03:05:59,397 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-29 03:05:59,397 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 03:05:59,397 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-29 03:05:59,398 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-29 03:05:59,398 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-29 03:05:59,398 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 03:05:59,399 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 03:05:59,399 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 03:05:59,399 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-29 03:05:59,420 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2020-10-29 03:05:59,421 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1016503635] [2020-10-29 03:05:59,421 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-29 03:05:59,421 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2020-10-29 03:05:59,422 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [990736017] [2020-10-29 03:05:59,423 INFO L461 AbstractCegarLoop]: Interpolant automaton has 9 states [2020-10-29 03:05:59,424 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-29 03:05:59,424 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2020-10-29 03:05:59,425 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=55, Unknown=0, NotChecked=0, Total=72 [2020-10-29 03:05:59,425 INFO L87 Difference]: Start difference. First operand 1113 states and 1382 transitions. Second operand 9 states. [2020-10-29 03:05:59,831 WARN L193 SmtUtils]: Spent 382.00 ms on a formula simplification that was a NOOP. DAG size: 214 [2020-10-29 03:06:00,333 WARN L193 SmtUtils]: Spent 362.00 ms on a formula simplification that was a NOOP. DAG size: 216 [2020-10-29 03:06:00,792 WARN L193 SmtUtils]: Spent 364.00 ms on a formula simplification that was a NOOP. DAG size: 207 [2020-10-29 03:06:01,673 WARN L193 SmtUtils]: Spent 415.00 ms on a formula simplification that was a NOOP. DAG size: 218 [2020-10-29 03:06:02,096 WARN L193 SmtUtils]: Spent 398.00 ms on a formula simplification that was a NOOP. DAG size: 218 [2020-10-29 03:06:02,560 WARN L193 SmtUtils]: Spent 395.00 ms on a formula simplification that was a NOOP. DAG size: 220 [2020-10-29 03:06:07,563 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-29 03:06:07,563 INFO L93 Difference]: Finished difference Result 2491 states and 3166 transitions. [2020-10-29 03:06:07,564 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2020-10-29 03:06:07,564 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 78 [2020-10-29 03:06:07,564 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-29 03:06:07,574 INFO L225 Difference]: With dead ends: 2491 [2020-10-29 03:06:07,574 INFO L226 Difference]: Without dead ends: 1411 [2020-10-29 03:06:07,578 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 36 GetRequests, 21 SyntacticMatches, 0 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 17 ImplicationChecksByTransitivity, 2.9s TimeCoverageRelationStatistics Valid=92, Invalid=180, Unknown=0, NotChecked=0, Total=272 [2020-10-29 03:06:07,581 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1411 states. [2020-10-29 03:06:07,807 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1411 to 1121. [2020-10-29 03:06:07,808 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1121 states. [2020-10-29 03:06:07,813 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1121 states to 1121 states and 1384 transitions. [2020-10-29 03:06:07,813 INFO L78 Accepts]: Start accepts. Automaton has 1121 states and 1384 transitions. Word has length 78 [2020-10-29 03:06:07,815 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-29 03:06:07,815 INFO L481 AbstractCegarLoop]: Abstraction has 1121 states and 1384 transitions. [2020-10-29 03:06:07,815 INFO L482 AbstractCegarLoop]: Interpolant automaton has 9 states. [2020-10-29 03:06:07,815 INFO L276 IsEmpty]: Start isEmpty. Operand 1121 states and 1384 transitions. [2020-10-29 03:06:07,820 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 80 [2020-10-29 03:06:07,820 INFO L414 BasicCegarLoop]: Found error trace [2020-10-29 03:06:07,820 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-29 03:06:07,821 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2020-10-29 03:06:07,821 INFO L429 AbstractCegarLoop]: === Iteration 8 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-29 03:06:07,821 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-29 03:06:07,821 INFO L82 PathProgramCache]: Analyzing trace with hash 1365022433, now seen corresponding path program 1 times [2020-10-29 03:06:07,822 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-29 03:06:07,822 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [265239369] [2020-10-29 03:06:07,822 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-29 03:06:07,857 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 03:06:07,880 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 03:06:07,946 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 03:06:08,305 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 03:06:10,061 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 03:06:10,062 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 115 [2020-10-29 03:06:10,062 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-10-29 03:06:10,062 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2202 [2020-10-29 03:06:10,062 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-29 03:06:10,062 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-29 03:06:10,062 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-10-29 03:06:10,063 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-29 03:06:10,063 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 48 [2020-10-29 03:06:10,064 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-29 03:06:10,600 WARN L193 SmtUtils]: Spent 463.00 ms on a formula simplification that was a NOOP. DAG size: 205 [2020-10-29 03:06:10,601 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-29 03:06:10,620 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 03:06:10,631 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 03:06:10,687 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 03:06:10,688 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-29 03:06:10,688 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 03:06:10,688 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 66 [2020-10-29 03:06:10,688 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-29 03:06:10,689 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-29 03:06:10,689 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 03:06:10,689 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 03:06:10,689 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-10-29 03:06:10,690 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-29 03:06:10,738 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-29 03:06:10,745 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 03:06:10,749 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 03:06:10,754 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 03:06:10,755 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-29 03:06:10,755 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 03:06:10,755 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 8 [2020-10-29 03:06:10,756 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-29 03:06:10,756 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-29 03:06:10,756 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 03:06:10,756 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 03:06:10,757 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-29 03:06:10,757 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-29 03:06:10,762 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-29 03:06:10,764 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 03:06:10,767 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 03:06:10,769 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 03:06:10,769 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-29 03:06:10,770 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 03:06:10,770 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-29 03:06:10,770 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-29 03:06:10,770 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-29 03:06:10,771 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 03:06:10,771 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 03:06:10,771 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-10-29 03:06:10,771 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-29 03:06:10,798 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2020-10-29 03:06:10,802 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 03:06:10,808 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 03:06:10,815 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 03:06:10,871 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 03:06:10,871 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-29 03:06:10,871 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-29 03:06:10,872 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 67 [2020-10-29 03:06:10,872 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-29 03:06:10,872 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-29 03:06:10,872 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 03:06:10,872 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 03:06:10,872 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-10-29 03:06:10,873 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 03:06:10,899 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2020-10-29 03:06:10,902 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 03:06:10,907 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 03:06:10,911 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 03:06:10,911 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 16 [2020-10-29 03:06:10,911 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 03:06:10,912 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 8 [2020-10-29 03:06:10,912 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-29 03:06:10,912 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-29 03:06:10,912 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 03:06:10,912 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 13 [2020-10-29 03:06:10,913 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 03:06:10,913 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 03:06:10,917 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-29 03:06:10,918 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 03:06:10,921 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 03:06:10,922 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 03:06:10,923 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-29 03:06:10,923 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 03:06:10,923 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-29 03:06:10,923 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-29 03:06:10,923 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-29 03:06:10,924 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 03:06:10,924 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 03:06:10,924 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 03:06:10,924 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 03:06:10,927 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2020-10-29 03:06:10,933 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 03:06:10,938 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 03:06:10,949 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 03:06:10,949 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 31 [2020-10-29 03:06:10,950 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 03:06:10,950 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 15 [2020-10-29 03:06:10,950 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-29 03:06:10,950 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-29 03:06:10,950 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 03:06:10,951 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 28 [2020-10-29 03:06:10,951 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 03:06:10,951 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 03:06:10,956 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-29 03:06:10,957 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 03:06:10,959 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 03:06:10,963 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 03:06:10,963 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 16 [2020-10-29 03:06:10,963 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 03:06:10,963 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-29 03:06:10,963 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-29 03:06:10,964 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-29 03:06:10,964 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 03:06:10,964 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 03:06:10,965 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 03:06:10,965 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-29 03:06:10,968 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-29 03:06:10,970 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 03:06:10,973 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 03:06:10,975 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 03:06:10,975 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-29 03:06:10,975 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 03:06:10,976 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-29 03:06:10,976 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-29 03:06:10,976 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-29 03:06:10,976 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 03:06:10,976 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 03:06:10,976 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 03:06:10,977 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 03:06:10,979 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-29 03:06:10,981 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 03:06:10,983 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 03:06:10,984 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 03:06:10,984 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-29 03:06:10,984 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 03:06:10,984 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-29 03:06:10,984 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-29 03:06:10,985 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-29 03:06:10,985 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 03:06:10,985 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 03:06:10,985 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 03:06:10,985 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 03:06:11,003 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2020-10-29 03:06:11,004 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [265239369] [2020-10-29 03:06:11,004 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-29 03:06:11,004 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2020-10-29 03:06:11,004 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [25811866] [2020-10-29 03:06:11,005 INFO L461 AbstractCegarLoop]: Interpolant automaton has 9 states [2020-10-29 03:06:11,005 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-29 03:06:11,005 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2020-10-29 03:06:11,006 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=55, Unknown=0, NotChecked=0, Total=72 [2020-10-29 03:06:11,006 INFO L87 Difference]: Start difference. First operand 1121 states and 1384 transitions. Second operand 9 states. [2020-10-29 03:06:11,378 WARN L193 SmtUtils]: Spent 358.00 ms on a formula simplification that was a NOOP. DAG size: 214 [2020-10-29 03:06:11,946 WARN L193 SmtUtils]: Spent 425.00 ms on a formula simplification that was a NOOP. DAG size: 216 [2020-10-29 03:06:12,430 WARN L193 SmtUtils]: Spent 378.00 ms on a formula simplification that was a NOOP. DAG size: 207 [2020-10-29 03:06:13,328 WARN L193 SmtUtils]: Spent 419.00 ms on a formula simplification that was a NOOP. DAG size: 218 [2020-10-29 03:06:13,786 WARN L193 SmtUtils]: Spent 385.00 ms on a formula simplification that was a NOOP. DAG size: 218 [2020-10-29 03:06:14,238 WARN L193 SmtUtils]: Spent 392.00 ms on a formula simplification that was a NOOP. DAG size: 220 [2020-10-29 03:06:18,935 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-29 03:06:18,936 INFO L93 Difference]: Finished difference Result 2335 states and 2939 transitions. [2020-10-29 03:06:18,936 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2020-10-29 03:06:18,936 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 79 [2020-10-29 03:06:18,937 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-29 03:06:18,944 INFO L225 Difference]: With dead ends: 2335 [2020-10-29 03:06:18,945 INFO L226 Difference]: Without dead ends: 1247 [2020-10-29 03:06:18,948 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 36 GetRequests, 21 SyntacticMatches, 0 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 17 ImplicationChecksByTransitivity, 3.0s TimeCoverageRelationStatistics Valid=92, Invalid=180, Unknown=0, NotChecked=0, Total=272 [2020-10-29 03:06:18,950 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1247 states. [2020-10-29 03:06:19,215 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1247 to 1088. [2020-10-29 03:06:19,215 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1088 states. [2020-10-29 03:06:19,220 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1088 states to 1088 states and 1350 transitions. [2020-10-29 03:06:19,221 INFO L78 Accepts]: Start accepts. Automaton has 1088 states and 1350 transitions. Word has length 79 [2020-10-29 03:06:19,221 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-29 03:06:19,221 INFO L481 AbstractCegarLoop]: Abstraction has 1088 states and 1350 transitions. [2020-10-29 03:06:19,221 INFO L482 AbstractCegarLoop]: Interpolant automaton has 9 states. [2020-10-29 03:06:19,221 INFO L276 IsEmpty]: Start isEmpty. Operand 1088 states and 1350 transitions. [2020-10-29 03:06:19,224 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 92 [2020-10-29 03:06:19,224 INFO L414 BasicCegarLoop]: Found error trace [2020-10-29 03:06:19,224 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-29 03:06:19,224 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2020-10-29 03:06:19,225 INFO L429 AbstractCegarLoop]: === Iteration 9 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-29 03:06:19,225 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-29 03:06:19,225 INFO L82 PathProgramCache]: Analyzing trace with hash 1778476470, now seen corresponding path program 1 times [2020-10-29 03:06:19,225 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-29 03:06:19,225 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [764998369] [2020-10-29 03:06:19,226 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-29 03:06:19,264 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 03:06:19,288 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 03:06:19,462 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 03:06:19,656 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 03:06:19,806 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 03:06:20,868 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 03:06:24,272 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 03:06:24,272 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 131 [2020-10-29 03:06:24,273 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 5 [2020-10-29 03:06:24,273 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5006 [2020-10-29 03:06:24,273 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-29 03:06:24,273 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-29 03:06:24,273 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-29 03:06:24,273 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 26 [2020-10-29 03:06:24,274 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-29 03:06:24,274 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 03:06:24,648 WARN L193 SmtUtils]: Spent 339.00 ms on a formula simplification that was a NOOP. DAG size: 205 [2020-10-29 03:06:24,649 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-29 03:06:24,655 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 03:06:24,659 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 03:06:24,676 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 03:06:24,676 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-29 03:06:24,676 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 03:06:24,676 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 20 [2020-10-29 03:06:24,676 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-29 03:06:24,677 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-29 03:06:24,677 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 03:06:24,677 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 03:06:24,677 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 03:06:24,677 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 03:06:24,699 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-29 03:06:24,700 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 03:06:24,702 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 03:06:24,704 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 03:06:24,705 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-29 03:06:24,705 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 03:06:24,705 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-29 03:06:24,705 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-29 03:06:24,705 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-29 03:06:24,705 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 03:06:24,706 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 03:06:24,706 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 03:06:24,706 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 03:06:24,708 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-29 03:06:24,709 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 03:06:24,711 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 03:06:24,711 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 03:06:24,712 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-29 03:06:24,712 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 03:06:24,712 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-29 03:06:24,712 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-29 03:06:24,712 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-29 03:06:24,712 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 03:06:24,712 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 03:06:24,713 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 03:06:24,713 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 03:06:24,728 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2020-10-29 03:06:24,734 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 03:06:24,737 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 03:06:24,752 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 03:06:24,752 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-29 03:06:24,752 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 03:06:24,752 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 16 [2020-10-29 03:06:24,752 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-29 03:06:24,752 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-29 03:06:24,752 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-29 03:06:24,753 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-10-29 03:06:24,753 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-10-29 03:06:24,753 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 03:06:24,835 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2020-10-29 03:06:24,839 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 03:06:24,843 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 03:06:24,847 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 03:06:24,847 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 18 [2020-10-29 03:06:24,847 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 03:06:24,848 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-10-29 03:06:24,848 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-29 03:06:24,848 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-29 03:06:24,848 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 03:06:24,848 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 15 [2020-10-29 03:06:24,848 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 03:06:24,848 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 03:06:24,876 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-29 03:06:24,877 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 03:06:24,879 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 03:06:24,881 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 03:06:24,881 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-29 03:06:24,881 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 03:06:24,882 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-29 03:06:24,882 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-29 03:06:24,882 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-29 03:06:24,882 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 03:06:24,882 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 03:06:24,882 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 03:06:24,883 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 03:06:24,908 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2020-10-29 03:06:24,911 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 03:06:24,914 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 03:06:24,916 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 03:06:24,916 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 16 [2020-10-29 03:06:24,916 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 03:06:24,916 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-29 03:06:24,917 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-29 03:06:24,917 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-29 03:06:24,917 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 03:06:24,917 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 13 [2020-10-29 03:06:24,917 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 03:06:24,917 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 03:06:24,919 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-29 03:06:24,920 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 03:06:24,922 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 03:06:24,923 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 03:06:24,923 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-29 03:06:24,923 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 03:06:24,923 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-29 03:06:24,924 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-29 03:06:24,924 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-29 03:06:24,924 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 03:06:24,924 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 03:06:24,924 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 03:06:24,924 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 03:06:24,927 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 63 [2020-10-29 03:06:24,930 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 03:06:24,933 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 03:06:24,938 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 03:06:24,938 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 31 [2020-10-29 03:06:24,938 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 03:06:24,938 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-10-29 03:06:24,938 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-29 03:06:24,938 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-29 03:06:24,939 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 03:06:24,939 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 28 [2020-10-29 03:06:24,939 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 03:06:24,939 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 03:06:24,942 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-29 03:06:24,943 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 03:06:24,945 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 03:06:24,947 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 03:06:24,948 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 16 [2020-10-29 03:06:24,948 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 03:06:24,948 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-29 03:06:24,948 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-29 03:06:24,948 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-29 03:06:24,948 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 03:06:24,948 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 03:06:24,948 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 03:06:24,948 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 03:06:24,951 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-29 03:06:24,952 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 03:06:24,954 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 03:06:24,956 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 03:06:24,956 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-29 03:06:24,956 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 03:06:24,956 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-29 03:06:24,957 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-29 03:06:24,957 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-29 03:06:24,957 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 03:06:24,957 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 03:06:24,957 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 03:06:24,957 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 03:06:24,960 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-29 03:06:24,961 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 03:06:24,963 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 03:06:24,964 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 03:06:24,964 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-29 03:06:24,964 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 03:06:24,964 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-29 03:06:24,964 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-29 03:06:24,965 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-29 03:06:24,965 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 03:06:24,965 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 03:06:24,965 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 03:06:24,965 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 03:06:24,984 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 13 trivial. 0 not checked. [2020-10-29 03:06:24,985 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [764998369] [2020-10-29 03:06:24,985 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-29 03:06:24,985 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [12] total 12 [2020-10-29 03:06:24,985 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1534021688] [2020-10-29 03:06:24,986 INFO L461 AbstractCegarLoop]: Interpolant automaton has 12 states [2020-10-29 03:06:24,986 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-29 03:06:24,986 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2020-10-29 03:06:24,987 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=31, Invalid=101, Unknown=0, NotChecked=0, Total=132 [2020-10-29 03:06:24,987 INFO L87 Difference]: Start difference. First operand 1088 states and 1350 transitions. Second operand 12 states. [2020-10-29 03:06:25,408 WARN L193 SmtUtils]: Spent 389.00 ms on a formula simplification that was a NOOP. DAG size: 214 [2020-10-29 03:06:26,035 WARN L193 SmtUtils]: Spent 399.00 ms on a formula simplification that was a NOOP. DAG size: 217 [2020-10-29 03:06:26,473 WARN L193 SmtUtils]: Spent 381.00 ms on a formula simplification that was a NOOP. DAG size: 208 [2020-10-29 03:06:26,889 WARN L193 SmtUtils]: Spent 377.00 ms on a formula simplification that was a NOOP. DAG size: 208 [2020-10-29 03:06:27,318 WARN L193 SmtUtils]: Spent 382.00 ms on a formula simplification that was a NOOP. DAG size: 210 [2020-10-29 03:06:31,758 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-29 03:06:31,758 INFO L93 Difference]: Finished difference Result 2293 states and 2878 transitions. [2020-10-29 03:06:31,759 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2020-10-29 03:06:31,759 INFO L78 Accepts]: Start accepts. Automaton has 12 states. Word has length 91 [2020-10-29 03:06:31,759 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-29 03:06:31,766 INFO L225 Difference]: With dead ends: 2293 [2020-10-29 03:06:31,766 INFO L226 Difference]: Without dead ends: 1242 [2020-10-29 03:06:31,769 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 40 GetRequests, 22 SyntacticMatches, 0 SemanticMatches, 18 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 37 ImplicationChecksByTransitivity, 2.6s TimeCoverageRelationStatistics Valid=105, Invalid=275, Unknown=0, NotChecked=0, Total=380 [2020-10-29 03:06:31,771 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1242 states. [2020-10-29 03:06:31,952 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1242 to 1031. [2020-10-29 03:06:31,952 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1031 states. [2020-10-29 03:06:31,957 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1031 states to 1031 states and 1262 transitions. [2020-10-29 03:06:31,957 INFO L78 Accepts]: Start accepts. Automaton has 1031 states and 1262 transitions. Word has length 91 [2020-10-29 03:06:31,957 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-29 03:06:31,958 INFO L481 AbstractCegarLoop]: Abstraction has 1031 states and 1262 transitions. [2020-10-29 03:06:31,958 INFO L482 AbstractCegarLoop]: Interpolant automaton has 12 states. [2020-10-29 03:06:31,958 INFO L276 IsEmpty]: Start isEmpty. Operand 1031 states and 1262 transitions. [2020-10-29 03:06:31,960 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 93 [2020-10-29 03:06:31,961 INFO L414 BasicCegarLoop]: Found error trace [2020-10-29 03:06:31,961 INFO L422 BasicCegarLoop]: trace histogram [3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-29 03:06:31,961 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2020-10-29 03:06:31,961 INFO L429 AbstractCegarLoop]: === Iteration 10 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-29 03:06:31,962 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-29 03:06:31,962 INFO L82 PathProgramCache]: Analyzing trace with hash 1711266854, now seen corresponding path program 2 times [2020-10-29 03:06:31,962 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-29 03:06:31,962 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [677499677] [2020-10-29 03:06:31,962 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-29 03:06:32,000 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 03:06:32,026 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 03:06:32,202 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 03:06:32,418 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 03:06:32,496 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 03:06:33,260 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 03:06:37,010 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 03:06:37,010 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 132 [2020-10-29 03:06:37,010 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 5 [2020-10-29 03:06:37,010 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5008 [2020-10-29 03:06:37,010 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-29 03:06:37,010 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-29 03:06:37,010 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 9 [2020-10-29 03:06:37,011 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 48 [2020-10-29 03:06:37,011 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 22 [2020-10-29 03:06:37,011 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 03:06:37,464 WARN L193 SmtUtils]: Spent 383.00 ms on a formula simplification that was a NOOP. DAG size: 205 [2020-10-29 03:06:37,465 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-29 03:06:37,470 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 03:06:37,473 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 03:06:37,483 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 03:06:37,484 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-29 03:06:37,484 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 03:06:37,484 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 12 [2020-10-29 03:06:37,484 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-29 03:06:37,484 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-29 03:06:37,484 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 03:06:37,484 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 03:06:37,485 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 03:06:37,485 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 03:06:37,509 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-29 03:06:37,511 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 03:06:37,513 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 03:06:37,514 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 03:06:37,514 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-29 03:06:37,514 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 03:06:37,515 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-29 03:06:37,515 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-29 03:06:37,515 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-29 03:06:37,515 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 03:06:37,515 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 03:06:37,515 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 03:06:37,515 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 03:06:37,517 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-29 03:06:37,518 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 03:06:37,519 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 03:06:37,519 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 03:06:37,520 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-29 03:06:37,520 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 03:06:37,520 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-29 03:06:37,520 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-29 03:06:37,520 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-29 03:06:37,520 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 03:06:37,520 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 03:06:37,520 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 03:06:37,520 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 03:06:37,546 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2020-10-29 03:06:37,548 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 03:06:37,550 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 03:06:37,553 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 03:06:37,593 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 03:06:37,593 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-10-29 03:06:37,593 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-29 03:06:37,593 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 44 [2020-10-29 03:06:37,594 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-29 03:06:37,594 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-29 03:06:37,594 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 03:06:37,594 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 03:06:37,594 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 03:06:37,594 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 03:06:37,619 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2020-10-29 03:06:37,622 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 03:06:37,624 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 03:06:37,635 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 03:06:37,635 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 18 [2020-10-29 03:06:37,635 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 03:06:37,635 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 12 [2020-10-29 03:06:37,635 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-29 03:06:37,635 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-29 03:06:37,636 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-29 03:06:37,636 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 03:06:37,636 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 12 [2020-10-29 03:06:37,636 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 03:06:37,685 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-29 03:06:37,687 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 03:06:37,689 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 03:06:37,696 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 03:06:37,697 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-29 03:06:37,697 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 03:06:37,697 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 9 [2020-10-29 03:06:37,697 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-29 03:06:37,697 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-29 03:06:37,697 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-29 03:06:37,697 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 03:06:37,698 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-29 03:06:37,698 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 03:06:37,741 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 52 [2020-10-29 03:06:37,743 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 03:06:37,746 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 03:06:37,749 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 03:06:37,749 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 16 [2020-10-29 03:06:37,749 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 03:06:37,749 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-29 03:06:37,749 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-29 03:06:37,749 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-29 03:06:37,749 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 03:06:37,750 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 13 [2020-10-29 03:06:37,750 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 03:06:37,750 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 03:06:37,752 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-29 03:06:37,753 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 03:06:37,755 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 03:06:37,756 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 03:06:37,756 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-29 03:06:37,756 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 03:06:37,756 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-29 03:06:37,757 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-29 03:06:37,757 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-29 03:06:37,757 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 03:06:37,757 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 03:06:37,757 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 03:06:37,757 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 03:06:37,759 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2020-10-29 03:06:37,762 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 03:06:37,766 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 03:06:37,770 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 03:06:37,771 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 31 [2020-10-29 03:06:37,771 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 03:06:37,771 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-10-29 03:06:37,771 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-29 03:06:37,771 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-29 03:06:37,771 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 03:06:37,771 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 28 [2020-10-29 03:06:37,771 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 03:06:37,771 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 03:06:37,775 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-29 03:06:37,775 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 03:06:37,777 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 03:06:37,779 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 03:06:37,779 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 16 [2020-10-29 03:06:37,779 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 03:06:37,779 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-29 03:06:37,779 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-29 03:06:37,780 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-29 03:06:37,780 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 03:06:37,780 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 03:06:37,780 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 03:06:37,780 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 03:06:37,783 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-29 03:06:37,784 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 03:06:37,786 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 03:06:37,788 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 03:06:37,788 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-29 03:06:37,788 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 03:06:37,788 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-29 03:06:37,788 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-29 03:06:37,788 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-29 03:06:37,788 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 03:06:37,789 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 03:06:37,789 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 03:06:37,789 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 03:06:37,796 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-29 03:06:37,797 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 03:06:37,799 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 03:06:37,800 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 03:06:37,800 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-29 03:06:37,800 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 03:06:37,800 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-29 03:06:37,800 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-29 03:06:37,801 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-29 03:06:37,801 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 03:06:37,801 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 03:06:37,801 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 03:06:37,801 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 03:06:37,820 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 7 proven. 2 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2020-10-29 03:06:37,821 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [677499677] [2020-10-29 03:06:37,821 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-29 03:06:37,821 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [13] total 13 [2020-10-29 03:06:37,821 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1095009124] [2020-10-29 03:06:37,822 INFO L461 AbstractCegarLoop]: Interpolant automaton has 13 states [2020-10-29 03:06:37,822 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-29 03:06:37,822 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2020-10-29 03:06:37,822 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=30, Invalid=126, Unknown=0, NotChecked=0, Total=156 [2020-10-29 03:06:37,823 INFO L87 Difference]: Start difference. First operand 1031 states and 1262 transitions. Second operand 13 states. [2020-10-29 03:06:38,207 WARN L193 SmtUtils]: Spent 354.00 ms on a formula simplification that was a NOOP. DAG size: 214 [2020-10-29 03:06:38,688 WARN L193 SmtUtils]: Spent 374.00 ms on a formula simplification that was a NOOP. DAG size: 216 [2020-10-29 03:06:39,138 WARN L193 SmtUtils]: Spent 338.00 ms on a formula simplification that was a NOOP. DAG size: 207 [2020-10-29 03:06:39,751 WARN L193 SmtUtils]: Spent 389.00 ms on a formula simplification that was a NOOP. DAG size: 218 [2020-10-29 03:06:40,213 WARN L193 SmtUtils]: Spent 416.00 ms on a formula simplification that was a NOOP. DAG size: 220 [2020-10-29 03:06:40,707 WARN L193 SmtUtils]: Spent 400.00 ms on a formula simplification that was a NOOP. DAG size: 222 [2020-10-29 03:06:41,119 WARN L193 SmtUtils]: Spent 386.00 ms on a formula simplification that was a NOOP. DAG size: 218 [2020-10-29 03:06:41,564 WARN L193 SmtUtils]: Spent 392.00 ms on a formula simplification that was a NOOP. DAG size: 220 [2020-10-29 03:06:42,008 WARN L193 SmtUtils]: Spent 388.00 ms on a formula simplification that was a NOOP. DAG size: 218 [2020-10-29 03:06:42,879 WARN L193 SmtUtils]: Spent 428.00 ms on a formula simplification that was a NOOP. DAG size: 217 [2020-10-29 03:06:43,413 WARN L193 SmtUtils]: Spent 417.00 ms on a formula simplification that was a NOOP. DAG size: 219 [2020-10-29 03:06:43,996 WARN L193 SmtUtils]: Spent 408.00 ms on a formula simplification that was a NOOP. DAG size: 217 [2020-10-29 03:06:51,068 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-29 03:06:51,068 INFO L93 Difference]: Finished difference Result 2783 states and 3488 transitions. [2020-10-29 03:06:51,069 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2020-10-29 03:06:51,069 INFO L78 Accepts]: Start accepts. Automaton has 13 states. Word has length 92 [2020-10-29 03:06:51,069 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-29 03:06:51,079 INFO L225 Difference]: With dead ends: 2783 [2020-10-29 03:06:51,079 INFO L226 Difference]: Without dead ends: 1793 [2020-10-29 03:06:51,083 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 57 GetRequests, 28 SyntacticMatches, 0 SemanticMatches, 29 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 166 ImplicationChecksByTransitivity, 5.6s TimeCoverageRelationStatistics Valid=286, Invalid=644, Unknown=0, NotChecked=0, Total=930 [2020-10-29 03:06:51,086 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1793 states. [2020-10-29 03:06:51,413 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1793 to 1455. [2020-10-29 03:06:51,413 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1455 states. [2020-10-29 03:06:51,418 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1455 states to 1455 states and 1797 transitions. [2020-10-29 03:06:51,419 INFO L78 Accepts]: Start accepts. Automaton has 1455 states and 1797 transitions. Word has length 92 [2020-10-29 03:06:51,419 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-29 03:06:51,419 INFO L481 AbstractCegarLoop]: Abstraction has 1455 states and 1797 transitions. [2020-10-29 03:06:51,419 INFO L482 AbstractCegarLoop]: Interpolant automaton has 13 states. [2020-10-29 03:06:51,420 INFO L276 IsEmpty]: Start isEmpty. Operand 1455 states and 1797 transitions. [2020-10-29 03:06:51,423 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 94 [2020-10-29 03:06:51,423 INFO L414 BasicCegarLoop]: Found error trace [2020-10-29 03:06:51,423 INFO L422 BasicCegarLoop]: trace histogram [3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-29 03:06:51,424 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2020-10-29 03:06:51,424 INFO L429 AbstractCegarLoop]: === Iteration 11 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-29 03:06:51,424 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-29 03:06:51,424 INFO L82 PathProgramCache]: Analyzing trace with hash -2021780067, now seen corresponding path program 1 times [2020-10-29 03:06:51,424 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-29 03:06:51,425 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1995350912] [2020-10-29 03:06:51,425 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-29 03:06:51,463 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 03:06:51,486 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 03:06:51,648 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 03:06:51,745 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 03:06:51,915 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 03:06:54,070 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 03:06:56,476 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 03:06:56,476 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 133 [2020-10-29 03:06:56,476 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 5 [2020-10-29 03:06:56,476 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5011 [2020-10-29 03:06:56,476 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-29 03:06:56,477 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-29 03:06:56,477 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 9 [2020-10-29 03:06:56,477 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 49 [2020-10-29 03:06:56,477 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 22 [2020-10-29 03:06:56,477 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 03:06:56,874 WARN L193 SmtUtils]: Spent 320.00 ms on a formula simplification that was a NOOP. DAG size: 205 [2020-10-29 03:06:56,876 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-29 03:06:56,881 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 03:06:56,888 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 03:06:56,904 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 03:06:56,905 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-29 03:06:56,905 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 03:06:56,905 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 21 [2020-10-29 03:06:56,905 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-29 03:06:56,905 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-29 03:06:56,905 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 03:06:56,906 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 03:06:56,906 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 03:06:56,906 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 03:06:56,936 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-29 03:06:56,938 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 03:06:56,940 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 03:06:56,943 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 03:06:56,943 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-29 03:06:56,943 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 03:06:56,943 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-29 03:06:56,943 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-29 03:06:56,944 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-29 03:06:56,944 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 03:06:56,944 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 03:06:56,944 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 03:06:56,944 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 03:06:56,947 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-29 03:06:56,948 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 03:06:56,950 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 03:06:56,951 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 03:06:56,951 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-29 03:06:56,951 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 03:06:56,951 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-29 03:06:56,951 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-29 03:06:56,952 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-29 03:06:56,952 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 03:06:56,952 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 03:06:56,952 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 03:06:56,952 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 03:06:56,975 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2020-10-29 03:06:56,977 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 03:06:56,980 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 03:06:56,983 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 03:06:57,028 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 03:06:57,028 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-10-29 03:06:57,028 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-29 03:06:57,029 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 50 [2020-10-29 03:06:57,029 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-29 03:06:57,029 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-29 03:06:57,029 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 03:06:57,030 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 03:06:57,030 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 03:06:57,030 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 03:06:57,147 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2020-10-29 03:06:57,152 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 03:06:57,156 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 03:06:57,176 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 03:06:57,177 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 19 [2020-10-29 03:06:57,177 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 03:06:57,177 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 23 [2020-10-29 03:06:57,177 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-29 03:06:57,177 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-29 03:06:57,177 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-29 03:06:57,178 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 03:06:57,178 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 13 [2020-10-29 03:06:57,178 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 03:06:57,272 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-29 03:06:57,274 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 03:06:57,282 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 03:06:57,299 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 03:06:57,299 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-29 03:06:57,300 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 03:06:57,300 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 24 [2020-10-29 03:06:57,300 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-29 03:06:57,300 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-29 03:06:57,300 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-29 03:06:57,300 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 03:06:57,301 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-29 03:06:57,301 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 03:06:57,371 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 53 [2020-10-29 03:06:57,374 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 03:06:57,376 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 03:06:57,380 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 03:06:57,380 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 16 [2020-10-29 03:06:57,380 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 03:06:57,380 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-29 03:06:57,380 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-29 03:06:57,381 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-29 03:06:57,381 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 03:06:57,381 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 13 [2020-10-29 03:06:57,381 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 03:06:57,381 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 03:06:57,384 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-29 03:06:57,385 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 03:06:57,387 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 03:06:57,388 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 03:06:57,388 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-29 03:06:57,388 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 03:06:57,388 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-29 03:06:57,388 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-29 03:06:57,389 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-29 03:06:57,389 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 03:06:57,389 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 03:06:57,389 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 03:06:57,389 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 03:06:57,392 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2020-10-29 03:06:57,395 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 03:06:57,399 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 03:06:57,404 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 03:06:57,404 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 31 [2020-10-29 03:06:57,404 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 03:06:57,404 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-10-29 03:06:57,404 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-29 03:06:57,405 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-29 03:06:57,405 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 03:06:57,405 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 28 [2020-10-29 03:06:57,405 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 03:06:57,405 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 03:06:57,409 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-29 03:06:57,410 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 03:06:57,411 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 03:06:57,413 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 03:06:57,414 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 16 [2020-10-29 03:06:57,414 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 03:06:57,414 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-29 03:06:57,414 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-29 03:06:57,414 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-29 03:06:57,414 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 03:06:57,414 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 03:06:57,414 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 03:06:57,414 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 03:06:57,417 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-29 03:06:57,417 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 03:06:57,419 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 03:06:57,420 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 03:06:57,420 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-29 03:06:57,420 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 03:06:57,420 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-29 03:06:57,420 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-29 03:06:57,420 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-29 03:06:57,421 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 03:06:57,421 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 03:06:57,421 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 03:06:57,421 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 03:06:57,424 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-29 03:06:57,424 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 03:06:57,426 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 03:06:57,428 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 03:06:57,428 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-29 03:06:57,428 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 03:06:57,428 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-29 03:06:57,428 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-29 03:06:57,428 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-29 03:06:57,429 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 03:06:57,429 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 03:06:57,429 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 03:06:57,429 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 03:06:57,447 INFO L134 CoverageAnalysis]: Checked inductivity of 23 backedges. 6 proven. 2 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2020-10-29 03:06:57,448 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1995350912] [2020-10-29 03:06:57,448 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-29 03:06:57,448 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [14] total 14 [2020-10-29 03:06:57,448 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [908210352] [2020-10-29 03:06:57,449 INFO L461 AbstractCegarLoop]: Interpolant automaton has 14 states [2020-10-29 03:06:57,449 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-29 03:06:57,449 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2020-10-29 03:06:57,449 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=33, Invalid=149, Unknown=0, NotChecked=0, Total=182 [2020-10-29 03:06:57,449 INFO L87 Difference]: Start difference. First operand 1455 states and 1797 transitions. Second operand 14 states. [2020-10-29 03:06:57,841 WARN L193 SmtUtils]: Spent 368.00 ms on a formula simplification that was a NOOP. DAG size: 214 [2020-10-29 03:06:58,376 WARN L193 SmtUtils]: Spent 380.00 ms on a formula simplification that was a NOOP. DAG size: 217 [2020-10-29 03:06:58,842 WARN L193 SmtUtils]: Spent 350.00 ms on a formula simplification that was a NOOP. DAG size: 208 [2020-10-29 03:06:59,660 WARN L193 SmtUtils]: Spent 396.00 ms on a formula simplification that was a NOOP. DAG size: 220 [2020-10-29 03:07:00,122 WARN L193 SmtUtils]: Spent 394.00 ms on a formula simplification that was a NOOP. DAG size: 223 [2020-10-29 03:07:00,622 WARN L193 SmtUtils]: Spent 421.00 ms on a formula simplification that was a NOOP. DAG size: 223 [2020-10-29 03:07:01,111 WARN L193 SmtUtils]: Spent 407.00 ms on a formula simplification that was a NOOP. DAG size: 225 [2020-10-29 03:07:01,524 WARN L193 SmtUtils]: Spent 381.00 ms on a formula simplification that was a NOOP. DAG size: 220 [2020-10-29 03:07:01,997 WARN L193 SmtUtils]: Spent 395.00 ms on a formula simplification that was a NOOP. DAG size: 222 [2020-10-29 03:07:02,571 WARN L193 SmtUtils]: Spent 385.00 ms on a formula simplification that was a NOOP. DAG size: 220 [2020-10-29 03:07:03,251 WARN L193 SmtUtils]: Spent 351.00 ms on a formula simplification that was a NOOP. DAG size: 217 [2020-10-29 03:07:03,747 WARN L193 SmtUtils]: Spent 409.00 ms on a formula simplification that was a NOOP. DAG size: 219 [2020-10-29 03:07:04,306 WARN L193 SmtUtils]: Spent 424.00 ms on a formula simplification that was a NOOP. DAG size: 218 [2020-10-29 03:07:04,885 WARN L193 SmtUtils]: Spent 380.00 ms on a formula simplification that was a NOOP. DAG size: 218 [2020-10-29 03:07:14,233 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-29 03:07:14,233 INFO L93 Difference]: Finished difference Result 3727 states and 4695 transitions. [2020-10-29 03:07:14,234 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2020-10-29 03:07:14,234 INFO L78 Accepts]: Start accepts. Automaton has 14 states. Word has length 93 [2020-10-29 03:07:14,235 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-29 03:07:14,249 INFO L225 Difference]: With dead ends: 3727 [2020-10-29 03:07:14,249 INFO L226 Difference]: Without dead ends: 2313 [2020-10-29 03:07:14,254 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 59 GetRequests, 27 SyntacticMatches, 0 SemanticMatches, 32 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 222 ImplicationChecksByTransitivity, 6.5s TimeCoverageRelationStatistics Valid=338, Invalid=784, Unknown=0, NotChecked=0, Total=1122 [2020-10-29 03:07:14,257 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2313 states. [2020-10-29 03:07:14,631 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2313 to 1877. [2020-10-29 03:07:14,631 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1877 states. [2020-10-29 03:07:14,637 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1877 states to 1877 states and 2334 transitions. [2020-10-29 03:07:14,638 INFO L78 Accepts]: Start accepts. Automaton has 1877 states and 2334 transitions. Word has length 93 [2020-10-29 03:07:14,638 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-29 03:07:14,638 INFO L481 AbstractCegarLoop]: Abstraction has 1877 states and 2334 transitions. [2020-10-29 03:07:14,638 INFO L482 AbstractCegarLoop]: Interpolant automaton has 14 states. [2020-10-29 03:07:14,638 INFO L276 IsEmpty]: Start isEmpty. Operand 1877 states and 2334 transitions. [2020-10-29 03:07:14,642 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 95 [2020-10-29 03:07:14,643 INFO L414 BasicCegarLoop]: Found error trace [2020-10-29 03:07:14,643 INFO L422 BasicCegarLoop]: trace histogram [3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-29 03:07:14,643 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2020-10-29 03:07:14,643 INFO L429 AbstractCegarLoop]: === Iteration 12 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-29 03:07:14,644 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-29 03:07:14,644 INFO L82 PathProgramCache]: Analyzing trace with hash -1295030177, now seen corresponding path program 1 times [2020-10-29 03:07:14,644 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-29 03:07:14,644 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1863108025] [2020-10-29 03:07:14,644 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-29 03:07:14,682 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 03:07:14,706 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 03:07:14,905 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 03:07:14,955 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 03:07:15,195 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 03:07:16,677 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 03:07:19,704 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 03:07:19,705 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 134 [2020-10-29 03:07:19,705 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 5 [2020-10-29 03:07:19,705 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5021 [2020-10-29 03:07:19,705 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-29 03:07:19,705 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-29 03:07:19,705 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 9 [2020-10-29 03:07:19,706 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 50 [2020-10-29 03:07:19,706 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 22 [2020-10-29 03:07:19,706 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 03:07:20,134 WARN L193 SmtUtils]: Spent 361.00 ms on a formula simplification that was a NOOP. DAG size: 205 [2020-10-29 03:07:20,135 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-29 03:07:20,141 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 03:07:20,144 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 03:07:20,158 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 03:07:20,159 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-29 03:07:20,159 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 03:07:20,159 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 16 [2020-10-29 03:07:20,159 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-29 03:07:20,159 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-29 03:07:20,160 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 03:07:20,160 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 03:07:20,160 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 03:07:20,160 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 03:07:20,186 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-29 03:07:20,188 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 03:07:20,190 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 03:07:20,192 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 03:07:20,192 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-29 03:07:20,192 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 03:07:20,193 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-29 03:07:20,193 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-29 03:07:20,193 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-29 03:07:20,193 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 03:07:20,193 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 03:07:20,193 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 03:07:20,193 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 03:07:20,196 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-29 03:07:20,196 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 03:07:20,198 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 03:07:20,199 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 03:07:20,199 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-29 03:07:20,199 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 03:07:20,199 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-29 03:07:20,199 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-29 03:07:20,199 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-29 03:07:20,199 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 03:07:20,200 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 03:07:20,200 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 03:07:20,200 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 03:07:20,222 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2020-10-29 03:07:20,224 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 03:07:20,228 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 03:07:20,231 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 03:07:20,257 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 03:07:20,257 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-10-29 03:07:20,257 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-29 03:07:20,257 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 31 [2020-10-29 03:07:20,258 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-29 03:07:20,258 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-29 03:07:20,258 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 03:07:20,258 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 03:07:20,258 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 03:07:20,258 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 03:07:20,287 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2020-10-29 03:07:20,292 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 03:07:20,297 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 03:07:20,317 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 03:07:20,318 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 20 [2020-10-29 03:07:20,318 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 03:07:20,318 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 24 [2020-10-29 03:07:20,318 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-29 03:07:20,318 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-29 03:07:20,318 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-29 03:07:20,319 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 03:07:20,319 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 14 [2020-10-29 03:07:20,319 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 03:07:20,371 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2020-10-29 03:07:20,373 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 03:07:20,376 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 03:07:20,381 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 03:07:20,381 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-29 03:07:20,381 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 03:07:20,381 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-29 03:07:20,381 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-29 03:07:20,381 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-29 03:07:20,381 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-29 03:07:20,382 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 03:07:20,382 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-29 03:07:20,382 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 03:07:20,454 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2020-10-29 03:07:20,457 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 03:07:20,459 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 03:07:20,462 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 03:07:20,462 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 16 [2020-10-29 03:07:20,463 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 03:07:20,463 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-29 03:07:20,463 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-29 03:07:20,463 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-29 03:07:20,463 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 03:07:20,463 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 13 [2020-10-29 03:07:20,463 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 03:07:20,463 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 03:07:20,466 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-29 03:07:20,468 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 03:07:20,469 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 03:07:20,471 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 03:07:20,471 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-29 03:07:20,471 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 03:07:20,471 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-29 03:07:20,471 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-29 03:07:20,471 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-29 03:07:20,471 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 03:07:20,472 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 03:07:20,472 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 03:07:20,472 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 03:07:20,474 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2020-10-29 03:07:20,478 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 03:07:20,482 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 03:07:20,489 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 03:07:20,490 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 31 [2020-10-29 03:07:20,490 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 03:07:20,490 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 10 [2020-10-29 03:07:20,490 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-29 03:07:20,490 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-29 03:07:20,490 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 03:07:20,491 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 28 [2020-10-29 03:07:20,491 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 03:07:20,491 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 03:07:20,495 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-29 03:07:20,496 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 03:07:20,498 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 03:07:20,500 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 03:07:20,501 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 16 [2020-10-29 03:07:20,501 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 03:07:20,501 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-29 03:07:20,501 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-29 03:07:20,501 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-29 03:07:20,501 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 03:07:20,501 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 03:07:20,501 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 03:07:20,502 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 03:07:20,504 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-29 03:07:20,505 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 03:07:20,507 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 03:07:20,508 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 03:07:20,508 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-29 03:07:20,509 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 03:07:20,509 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-29 03:07:20,509 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-29 03:07:20,509 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-29 03:07:20,509 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 03:07:20,509 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 03:07:20,509 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 03:07:20,509 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 03:07:20,512 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-29 03:07:20,513 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 03:07:20,515 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 03:07:20,516 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 03:07:20,516 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-29 03:07:20,516 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 03:07:20,516 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-29 03:07:20,517 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-29 03:07:20,517 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-29 03:07:20,517 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 03:07:20,517 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 03:07:20,517 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 03:07:20,517 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 03:07:20,535 INFO L134 CoverageAnalysis]: Checked inductivity of 23 backedges. 6 proven. 2 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2020-10-29 03:07:20,535 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1863108025] [2020-10-29 03:07:20,535 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-29 03:07:20,535 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [14] total 14 [2020-10-29 03:07:20,536 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1300590026] [2020-10-29 03:07:20,536 INFO L461 AbstractCegarLoop]: Interpolant automaton has 14 states [2020-10-29 03:07:20,536 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-29 03:07:20,536 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2020-10-29 03:07:20,537 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=33, Invalid=149, Unknown=0, NotChecked=0, Total=182 [2020-10-29 03:07:20,537 INFO L87 Difference]: Start difference. First operand 1877 states and 2334 transitions. Second operand 14 states. [2020-10-29 03:07:20,962 WARN L193 SmtUtils]: Spent 406.00 ms on a formula simplification that was a NOOP. DAG size: 214 [2020-10-29 03:07:21,564 WARN L193 SmtUtils]: Spent 438.00 ms on a formula simplification that was a NOOP. DAG size: 216 [2020-10-29 03:07:22,077 WARN L193 SmtUtils]: Spent 383.00 ms on a formula simplification that was a NOOP. DAG size: 207 [2020-10-29 03:07:22,939 WARN L193 SmtUtils]: Spent 415.00 ms on a formula simplification that was a NOOP. DAG size: 218 [2020-10-29 03:07:23,433 WARN L193 SmtUtils]: Spent 423.00 ms on a formula simplification that was a NOOP. DAG size: 220 [2020-10-29 03:07:23,920 WARN L193 SmtUtils]: Spent 404.00 ms on a formula simplification that was a NOOP. DAG size: 220 [2020-10-29 03:07:24,407 WARN L193 SmtUtils]: Spent 403.00 ms on a formula simplification that was a NOOP. DAG size: 222 [2020-10-29 03:07:24,830 WARN L193 SmtUtils]: Spent 398.00 ms on a formula simplification that was a NOOP. DAG size: 218 [2020-10-29 03:07:25,296 WARN L193 SmtUtils]: Spent 389.00 ms on a formula simplification that was a NOOP. DAG size: 220 [2020-10-29 03:07:25,941 WARN L193 SmtUtils]: Spent 383.00 ms on a formula simplification that was a NOOP. DAG size: 218 [2020-10-29 03:07:26,550 WARN L193 SmtUtils]: Spent 376.00 ms on a formula simplification that was a NOOP. DAG size: 217 [2020-10-29 03:07:27,022 WARN L193 SmtUtils]: Spent 387.00 ms on a formula simplification that was a NOOP. DAG size: 219 [2020-10-29 03:07:27,745 WARN L193 SmtUtils]: Spent 370.00 ms on a formula simplification that was a NOOP. DAG size: 217 [2020-10-29 03:07:36,771 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-29 03:07:36,771 INFO L93 Difference]: Finished difference Result 4637 states and 5876 transitions. [2020-10-29 03:07:36,772 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2020-10-29 03:07:36,772 INFO L78 Accepts]: Start accepts. Automaton has 14 states. Word has length 94 [2020-10-29 03:07:36,773 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-29 03:07:36,790 INFO L225 Difference]: With dead ends: 4637 [2020-10-29 03:07:36,790 INFO L226 Difference]: Without dead ends: 2801 [2020-10-29 03:07:36,795 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 58 GetRequests, 27 SyntacticMatches, 0 SemanticMatches, 31 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 198 ImplicationChecksByTransitivity, 6.1s TimeCoverageRelationStatistics Valid=318, Invalid=738, Unknown=0, NotChecked=0, Total=1056 [2020-10-29 03:07:36,799 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2801 states. [2020-10-29 03:07:37,097 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2801 to 1877. [2020-10-29 03:07:37,098 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1877 states. [2020-10-29 03:07:37,103 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1877 states to 1877 states and 2334 transitions. [2020-10-29 03:07:37,104 INFO L78 Accepts]: Start accepts. Automaton has 1877 states and 2334 transitions. Word has length 94 [2020-10-29 03:07:37,104 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-29 03:07:37,105 INFO L481 AbstractCegarLoop]: Abstraction has 1877 states and 2334 transitions. [2020-10-29 03:07:37,105 INFO L482 AbstractCegarLoop]: Interpolant automaton has 14 states. [2020-10-29 03:07:37,105 INFO L276 IsEmpty]: Start isEmpty. Operand 1877 states and 2334 transitions. [2020-10-29 03:07:37,109 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 96 [2020-10-29 03:07:37,109 INFO L414 BasicCegarLoop]: Found error trace [2020-10-29 03:07:37,110 INFO L422 BasicCegarLoop]: trace histogram [3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-29 03:07:37,110 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2020-10-29 03:07:37,110 INFO L429 AbstractCegarLoop]: === Iteration 13 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-29 03:07:37,110 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-29 03:07:37,110 INFO L82 PathProgramCache]: Analyzing trace with hash 246467382, now seen corresponding path program 1 times [2020-10-29 03:07:37,111 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-29 03:07:37,111 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1312957552] [2020-10-29 03:07:37,111 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-29 03:07:37,148 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 03:07:37,172 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 03:07:37,338 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 03:07:37,523 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 03:07:37,693 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 03:07:38,060 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 03:07:42,153 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 03:07:42,154 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 135 [2020-10-29 03:07:42,154 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 5 [2020-10-29 03:07:42,154 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5003 [2020-10-29 03:07:42,154 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-29 03:07:42,154 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-29 03:07:42,154 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 9 [2020-10-29 03:07:42,154 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 51 [2020-10-29 03:07:42,154 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 22 [2020-10-29 03:07:42,154 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 03:07:42,581 WARN L193 SmtUtils]: Spent 373.00 ms on a formula simplification that was a NOOP. DAG size: 205 [2020-10-29 03:07:42,582 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-29 03:07:42,588 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 03:07:42,593 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 03:07:42,626 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 03:07:42,627 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-29 03:07:42,627 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 03:07:42,627 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 38 [2020-10-29 03:07:42,627 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-29 03:07:42,627 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-29 03:07:42,627 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 03:07:42,628 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 03:07:42,628 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 03:07:42,628 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 03:07:42,671 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-29 03:07:42,672 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 03:07:42,675 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 03:07:42,676 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 03:07:42,677 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-29 03:07:42,677 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 03:07:42,677 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-29 03:07:42,677 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-29 03:07:42,677 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-29 03:07:42,677 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 03:07:42,678 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 03:07:42,678 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 03:07:42,678 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 03:07:42,681 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-29 03:07:42,682 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 03:07:42,684 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 03:07:42,685 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 03:07:42,685 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-29 03:07:42,685 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 03:07:42,686 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-29 03:07:42,686 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-29 03:07:42,686 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-29 03:07:42,686 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 03:07:42,686 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 03:07:42,686 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 03:07:42,686 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 03:07:42,710 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2020-10-29 03:07:42,711 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 03:07:42,714 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 03:07:42,717 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 03:07:42,768 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 03:07:42,768 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-10-29 03:07:42,768 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-29 03:07:42,768 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 55 [2020-10-29 03:07:42,768 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-29 03:07:42,769 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-29 03:07:42,769 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 03:07:42,769 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 03:07:42,769 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 03:07:42,769 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 03:07:42,797 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2020-10-29 03:07:42,801 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 03:07:42,805 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 03:07:42,829 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 03:07:42,829 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 21 [2020-10-29 03:07:42,830 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 03:07:42,830 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 27 [2020-10-29 03:07:42,830 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-29 03:07:42,830 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-29 03:07:42,830 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-29 03:07:42,830 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 03:07:42,831 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 15 [2020-10-29 03:07:42,831 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 03:07:42,895 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2020-10-29 03:07:42,896 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 03:07:42,900 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 03:07:42,910 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 03:07:42,910 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-29 03:07:42,910 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 03:07:42,910 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 12 [2020-10-29 03:07:42,910 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-29 03:07:42,911 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-29 03:07:42,911 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-29 03:07:42,911 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 03:07:42,911 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-29 03:07:42,911 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 03:07:42,988 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2020-10-29 03:07:42,990 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 03:07:42,993 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 03:07:42,997 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 03:07:42,997 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 16 [2020-10-29 03:07:42,997 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 03:07:42,997 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-29 03:07:42,997 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-29 03:07:42,998 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-29 03:07:42,998 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 03:07:42,998 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 13 [2020-10-29 03:07:42,998 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 03:07:42,998 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 03:07:43,001 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-29 03:07:43,003 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 03:07:43,005 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 03:07:43,007 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 03:07:43,007 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-29 03:07:43,007 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 03:07:43,007 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-29 03:07:43,007 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-29 03:07:43,008 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-29 03:07:43,008 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 03:07:43,008 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 03:07:43,008 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 03:07:43,008 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 03:07:43,011 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 67 [2020-10-29 03:07:43,014 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 03:07:43,019 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 03:07:43,026 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 03:07:43,026 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 31 [2020-10-29 03:07:43,026 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 03:07:43,026 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 10 [2020-10-29 03:07:43,026 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-29 03:07:43,027 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-29 03:07:43,027 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 03:07:43,027 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 28 [2020-10-29 03:07:43,027 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 03:07:43,027 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 03:07:43,032 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-29 03:07:43,036 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 03:07:43,039 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 03:07:43,042 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 03:07:43,043 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 16 [2020-10-29 03:07:43,043 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 03:07:43,043 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-29 03:07:43,043 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-29 03:07:43,043 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-29 03:07:43,044 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 03:07:43,044 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 03:07:43,044 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 03:07:43,044 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 03:07:43,048 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-29 03:07:43,049 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 03:07:43,051 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 03:07:43,053 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 03:07:43,053 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-29 03:07:43,053 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 03:07:43,053 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-29 03:07:43,053 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-29 03:07:43,053 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-29 03:07:43,053 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 03:07:43,053 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 03:07:43,054 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 03:07:43,054 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 03:07:43,056 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-29 03:07:43,057 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 03:07:43,059 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 03:07:43,059 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 03:07:43,060 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-29 03:07:43,060 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 03:07:43,060 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-29 03:07:43,060 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-29 03:07:43,060 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-29 03:07:43,060 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 03:07:43,060 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 03:07:43,060 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 03:07:43,061 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 03:07:43,073 INFO L134 CoverageAnalysis]: Checked inductivity of 23 backedges. 6 proven. 2 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2020-10-29 03:07:43,073 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1312957552] [2020-10-29 03:07:43,073 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-29 03:07:43,074 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [15] total 15 [2020-10-29 03:07:43,074 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1214445525] [2020-10-29 03:07:43,074 INFO L461 AbstractCegarLoop]: Interpolant automaton has 15 states [2020-10-29 03:07:43,074 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-29 03:07:43,075 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2020-10-29 03:07:43,075 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=36, Invalid=174, Unknown=0, NotChecked=0, Total=210 [2020-10-29 03:07:43,075 INFO L87 Difference]: Start difference. First operand 1877 states and 2334 transitions. Second operand 15 states. [2020-10-29 03:07:43,491 WARN L193 SmtUtils]: Spent 398.00 ms on a formula simplification that was a NOOP. DAG size: 214 [2020-10-29 03:07:44,088 WARN L193 SmtUtils]: Spent 434.00 ms on a formula simplification that was a NOOP. DAG size: 216 [2020-10-29 03:07:44,610 WARN L193 SmtUtils]: Spent 382.00 ms on a formula simplification that was a NOOP. DAG size: 207 [2020-10-29 03:07:45,510 WARN L193 SmtUtils]: Spent 435.00 ms on a formula simplification that was a NOOP. DAG size: 220 [2020-10-29 03:07:46,020 WARN L193 SmtUtils]: Spent 434.00 ms on a formula simplification that was a NOOP. DAG size: 223 [2020-10-29 03:07:46,558 WARN L193 SmtUtils]: Spent 442.00 ms on a formula simplification that was a NOOP. DAG size: 223 [2020-10-29 03:07:47,066 WARN L193 SmtUtils]: Spent 418.00 ms on a formula simplification that was a NOOP. DAG size: 226 [2020-10-29 03:07:47,510 WARN L193 SmtUtils]: Spent 418.00 ms on a formula simplification that was a NOOP. DAG size: 219 [2020-10-29 03:07:48,031 WARN L193 SmtUtils]: Spent 420.00 ms on a formula simplification that was a NOOP. DAG size: 222 [2020-10-29 03:07:48,722 WARN L193 SmtUtils]: Spent 382.00 ms on a formula simplification that was a NOOP. DAG size: 218 [2020-10-29 03:07:49,300 WARN L193 SmtUtils]: Spent 384.00 ms on a formula simplification that was a NOOP. DAG size: 218 [2020-10-29 03:07:49,794 WARN L193 SmtUtils]: Spent 404.00 ms on a formula simplification that was a NOOP. DAG size: 221 [2020-10-29 03:07:50,283 WARN L193 SmtUtils]: Spent 373.00 ms on a formula simplification that was a NOOP. DAG size: 218 [2020-10-29 03:07:51,007 WARN L193 SmtUtils]: Spent 393.00 ms on a formula simplification that was a NOOP. DAG size: 217 [2020-10-29 03:08:00,145 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-29 03:08:00,145 INFO L93 Difference]: Finished difference Result 4655 states and 5890 transitions. [2020-10-29 03:08:00,146 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2020-10-29 03:08:00,146 INFO L78 Accepts]: Start accepts. Automaton has 15 states. Word has length 95 [2020-10-29 03:08:00,146 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-29 03:08:00,160 INFO L225 Difference]: With dead ends: 4655 [2020-10-29 03:08:00,161 INFO L226 Difference]: Without dead ends: 2819 [2020-10-29 03:08:00,166 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 59 GetRequests, 26 SyntacticMatches, 0 SemanticMatches, 33 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 236 ImplicationChecksByTransitivity, 6.7s TimeCoverageRelationStatistics Valid=353, Invalid=837, Unknown=0, NotChecked=0, Total=1190 [2020-10-29 03:08:00,169 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2819 states. [2020-10-29 03:08:00,483 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2819 to 1877. [2020-10-29 03:08:00,484 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1877 states. [2020-10-29 03:08:00,487 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1877 states to 1877 states and 2330 transitions. [2020-10-29 03:08:00,488 INFO L78 Accepts]: Start accepts. Automaton has 1877 states and 2330 transitions. Word has length 95 [2020-10-29 03:08:00,488 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-29 03:08:00,488 INFO L481 AbstractCegarLoop]: Abstraction has 1877 states and 2330 transitions. [2020-10-29 03:08:00,488 INFO L482 AbstractCegarLoop]: Interpolant automaton has 15 states. [2020-10-29 03:08:00,488 INFO L276 IsEmpty]: Start isEmpty. Operand 1877 states and 2330 transitions. [2020-10-29 03:08:00,492 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 105 [2020-10-29 03:08:00,492 INFO L414 BasicCegarLoop]: Found error trace [2020-10-29 03:08:00,492 INFO L422 BasicCegarLoop]: trace histogram [3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-29 03:08:00,492 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2020-10-29 03:08:00,493 INFO L429 AbstractCegarLoop]: === Iteration 14 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-29 03:08:00,493 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-29 03:08:00,493 INFO L82 PathProgramCache]: Analyzing trace with hash -1590781684, now seen corresponding path program 1 times [2020-10-29 03:08:00,493 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-29 03:08:00,493 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [450791886] [2020-10-29 03:08:00,494 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-29 03:08:00,531 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 03:08:00,556 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 03:08:00,604 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 03:08:01,494 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 03:08:01,495 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 146 [2020-10-29 03:08:01,495 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-29 03:08:01,495 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 962 [2020-10-29 03:08:01,495 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-29 03:08:01,495 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-29 03:08:01,495 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 03:08:01,495 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 57 [2020-10-29 03:08:01,495 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 24 [2020-10-29 03:08:01,496 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 03:08:01,897 WARN L193 SmtUtils]: Spent 371.00 ms on a formula simplification that was a NOOP. DAG size: 205 [2020-10-29 03:08:01,898 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-29 03:08:01,903 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 03:08:01,906 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 03:08:01,921 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 03:08:01,921 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-29 03:08:01,921 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 03:08:01,921 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 17 [2020-10-29 03:08:01,922 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-29 03:08:01,922 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-29 03:08:01,922 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 03:08:01,922 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 03:08:01,922 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 03:08:01,922 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 03:08:01,945 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-29 03:08:01,947 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 03:08:01,949 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 03:08:01,951 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 03:08:01,951 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-29 03:08:01,951 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 03:08:01,951 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-29 03:08:01,951 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-29 03:08:01,951 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-29 03:08:01,951 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 03:08:01,952 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 03:08:01,952 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 03:08:01,952 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 03:08:01,954 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-29 03:08:01,955 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 03:08:01,956 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 03:08:01,957 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 03:08:01,957 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-29 03:08:01,957 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 03:08:01,957 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-29 03:08:01,957 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-29 03:08:01,957 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-29 03:08:01,957 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 03:08:01,957 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 03:08:01,958 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 03:08:01,958 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 03:08:01,978 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2020-10-29 03:08:01,980 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 03:08:01,982 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 03:08:01,984 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 03:08:02,011 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 03:08:02,011 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-10-29 03:08:02,012 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-29 03:08:02,012 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 30 [2020-10-29 03:08:02,012 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-29 03:08:02,012 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-29 03:08:02,012 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 03:08:02,012 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 03:08:02,012 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 03:08:02,013 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 03:08:02,017 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 31 [2020-10-29 03:08:02,018 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 03:08:02,020 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 03:08:02,023 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 03:08:02,023 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 15 [2020-10-29 03:08:02,023 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 03:08:02,023 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-29 03:08:02,024 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-29 03:08:02,024 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-29 03:08:02,024 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 03:08:02,024 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 03:08:02,024 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 03:08:02,024 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 03:08:02,027 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-29 03:08:02,028 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 03:08:02,030 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 03:08:02,032 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 03:08:02,032 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-29 03:08:02,032 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 03:08:02,032 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-29 03:08:02,032 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-29 03:08:02,032 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-29 03:08:02,033 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 03:08:02,033 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 03:08:02,033 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 03:08:02,033 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 03:08:02,062 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 42 [2020-10-29 03:08:02,066 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 03:08:02,068 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 03:08:02,073 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 03:08:02,074 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 16 [2020-10-29 03:08:02,074 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 03:08:02,074 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-10-29 03:08:02,074 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-29 03:08:02,074 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-29 03:08:02,074 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 03:08:02,074 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 03:08:02,074 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 13 [2020-10-29 03:08:02,075 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 03:08:02,077 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-29 03:08:02,078 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 03:08:02,080 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 03:08:02,081 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 03:08:02,081 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-29 03:08:02,081 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 03:08:02,081 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-29 03:08:02,081 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-29 03:08:02,082 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-29 03:08:02,082 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 03:08:02,082 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 03:08:02,082 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 03:08:02,082 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 03:08:02,100 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2020-10-29 03:08:02,102 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 03:08:02,104 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 03:08:02,107 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 03:08:02,107 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 16 [2020-10-29 03:08:02,107 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 03:08:02,107 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-29 03:08:02,108 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-29 03:08:02,108 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-29 03:08:02,108 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 03:08:02,108 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 13 [2020-10-29 03:08:02,108 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 03:08:02,108 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 03:08:02,110 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-29 03:08:02,111 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 03:08:02,113 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 03:08:02,114 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 03:08:02,114 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-29 03:08:02,114 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 03:08:02,114 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-29 03:08:02,114 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-29 03:08:02,114 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-29 03:08:02,114 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 03:08:02,115 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 03:08:02,115 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 03:08:02,115 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 03:08:02,117 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 76 [2020-10-29 03:08:02,119 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 03:08:02,123 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 03:08:02,128 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 03:08:02,128 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 31 [2020-10-29 03:08:02,128 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 03:08:02,128 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-10-29 03:08:02,128 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-29 03:08:02,128 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-29 03:08:02,129 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 03:08:02,129 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 28 [2020-10-29 03:08:02,129 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 03:08:02,129 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 03:08:02,134 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-29 03:08:02,135 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 03:08:02,138 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 03:08:02,141 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 03:08:02,141 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 16 [2020-10-29 03:08:02,141 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 03:08:02,141 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-29 03:08:02,141 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-29 03:08:02,142 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-29 03:08:02,142 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 03:08:02,142 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 03:08:02,142 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 03:08:02,142 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 03:08:02,145 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-29 03:08:02,147 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 03:08:02,149 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 03:08:02,150 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 03:08:02,151 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-29 03:08:02,151 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 03:08:02,151 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-29 03:08:02,151 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-29 03:08:02,151 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-29 03:08:02,151 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 03:08:02,152 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 03:08:02,152 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 03:08:02,152 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 03:08:02,155 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-29 03:08:02,156 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 03:08:02,158 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 03:08:02,159 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 03:08:02,159 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-29 03:08:02,160 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 03:08:02,160 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-29 03:08:02,160 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-29 03:08:02,160 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-29 03:08:02,160 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 03:08:02,160 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 03:08:02,160 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 03:08:02,161 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 03:08:02,181 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 19 trivial. 0 not checked. [2020-10-29 03:08:02,182 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [450791886] [2020-10-29 03:08:02,182 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-29 03:08:02,182 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2020-10-29 03:08:02,182 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1675810554]