/usr/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata ./data -tc ../../../trunk/examples/toolchains/AutomizerC.xml --traceabstraction.trace.refinement.strategy FIXED_PREFERENCES --traceabstraction.compute.interpolants.along.a.counterexample Craig_NestedInterpolation --traceabstraction.smt.solver Internal_SMTInterpol --traceabstraction.compute.trace.for.counterexample.result false --rcfgbuilder.size.of.a.code.block SequenceOfStatements --traceabstraction.use.minimal.unsat.core.enumeration true --traceabstraction.additional.smt.options produce-proofs=true --traceabstraction.additional.smt.options produce-unsat-cores=true --traceabstraction.additional.smt.options enumeration-timeout=5000 --traceabstraction.additional.smt.options interpolation-heuristic=SMALLESTAMONGWIDE --traceabstraction.additional.smt.options tolerance=0.3 --traceabstraction.additional.smt.options log-additional-information=true --traceabstraction.additional.smt.options unknown-allowed=true -s ../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf language data_model -i ../../../trunk/examples/svcomp/product-lines/minepump_spec3_product49.cil.c -------------------------------------------------------------------------------- This is Ultimate 0.2.0-0f64333 [2020-10-29 11:38:56,683 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-10-29 11:38:56,686 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-10-29 11:38:56,728 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-10-29 11:38:56,728 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-10-29 11:38:56,735 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-10-29 11:38:56,738 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-10-29 11:38:56,742 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-10-29 11:38:56,746 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-10-29 11:38:56,752 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-10-29 11:38:56,754 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-10-29 11:38:56,755 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-10-29 11:38:56,755 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-10-29 11:38:56,758 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-10-29 11:38:56,762 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-10-29 11:38:56,765 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-10-29 11:38:56,766 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-10-29 11:38:56,770 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-10-29 11:38:56,778 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-10-29 11:38:56,784 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-10-29 11:38:56,786 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-10-29 11:38:56,789 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-10-29 11:38:56,792 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-10-29 11:38:56,793 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-10-29 11:38:56,802 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-10-29 11:38:56,802 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-10-29 11:38:56,803 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-10-29 11:38:56,805 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-10-29 11:38:56,806 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-10-29 11:38:56,807 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-10-29 11:38:56,807 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-10-29 11:38:56,808 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-10-29 11:38:56,810 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-10-29 11:38:56,811 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-10-29 11:38:56,812 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-10-29 11:38:56,812 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-10-29 11:38:56,813 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-10-29 11:38:56,814 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-10-29 11:38:56,814 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-10-29 11:38:56,815 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-10-29 11:38:56,816 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-10-29 11:38:56,823 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf [2020-10-29 11:38:56,873 INFO L113 SettingsManager]: Loading preferences was successful [2020-10-29 11:38:56,874 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-10-29 11:38:56,878 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-10-29 11:38:56,878 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-10-29 11:38:56,879 INFO L138 SettingsManager]: * Use SBE=true [2020-10-29 11:38:56,879 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-10-29 11:38:56,879 INFO L138 SettingsManager]: * sizeof long=4 [2020-10-29 11:38:56,879 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-10-29 11:38:56,879 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-10-29 11:38:56,880 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-10-29 11:38:56,881 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-10-29 11:38:56,881 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-10-29 11:38:56,881 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-10-29 11:38:56,881 INFO L138 SettingsManager]: * sizeof long double=12 [2020-10-29 11:38:56,882 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-10-29 11:38:56,882 INFO L138 SettingsManager]: * Use constant arrays=true [2020-10-29 11:38:56,882 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-10-29 11:38:56,882 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-10-29 11:38:56,882 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-10-29 11:38:56,883 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-10-29 11:38:56,883 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-10-29 11:38:56,883 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-10-29 11:38:56,883 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-10-29 11:38:56,883 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-10-29 11:38:56,883 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-10-29 11:38:56,884 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-10-29 11:38:56,884 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-10-29 11:38:56,884 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-10-29 11:38:56,884 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-10-29 11:38:56,884 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Trace refinement strategy -> FIXED_PREFERENCES Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute Interpolants along a Counterexample -> Craig_NestedInterpolation Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: SMT solver -> Internal_SMTInterpol Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute trace for counterexample result -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder: Size of a code block -> SequenceOfStatements Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Use minimal unsat core enumeration -> true Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=5000;interpolation-heuristic=SMALLESTAMONGWIDE;tolerance=0.3;log-additional-information=true;unknown-allowed=true; [2020-10-29 11:38:57,369 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-10-29 11:38:57,409 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-10-29 11:38:57,413 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-10-29 11:38:57,414 INFO L271 PluginConnector]: Initializing CDTParser... [2020-10-29 11:38:57,415 INFO L275 PluginConnector]: CDTParser initialized [2020-10-29 11:38:57,416 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/product-lines/minepump_spec3_product49.cil.c [2020-10-29 11:38:57,506 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/dce7ba955/ab856289ec73421fb5071e40ddf3e18b/FLAG9ef218432 [2020-10-29 11:38:58,221 INFO L306 CDTParser]: Found 1 translation units. [2020-10-29 11:38:58,222 INFO L160 CDTParser]: Scanning /storage/repos/ultimate-2/trunk/examples/svcomp/product-lines/minepump_spec3_product49.cil.c [2020-10-29 11:38:58,258 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/dce7ba955/ab856289ec73421fb5071e40ddf3e18b/FLAG9ef218432 [2020-10-29 11:38:58,510 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/dce7ba955/ab856289ec73421fb5071e40ddf3e18b [2020-10-29 11:38:58,514 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-10-29 11:38:58,522 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-10-29 11:38:58,527 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-10-29 11:38:58,527 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-10-29 11:38:58,532 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-10-29 11:38:58,533 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 29.10 11:38:58" (1/1) ... [2020-10-29 11:38:58,544 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6818b210 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 11:38:58, skipping insertion in model container [2020-10-29 11:38:58,545 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 29.10 11:38:58" (1/1) ... [2020-10-29 11:38:58,554 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-10-29 11:38:58,634 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-10-29 11:38:59,041 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-29 11:38:59,061 INFO L203 MainTranslator]: Completed pre-run [2020-10-29 11:38:59,153 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-29 11:38:59,193 INFO L208 MainTranslator]: Completed translation [2020-10-29 11:38:59,194 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 11:38:59 WrapperNode [2020-10-29 11:38:59,194 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-10-29 11:38:59,195 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-10-29 11:38:59,195 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-10-29 11:38:59,196 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-10-29 11:38:59,209 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 11:38:59" (1/1) ... [2020-10-29 11:38:59,210 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 11:38:59" (1/1) ... [2020-10-29 11:38:59,239 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 11:38:59" (1/1) ... [2020-10-29 11:38:59,241 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 11:38:59" (1/1) ... [2020-10-29 11:38:59,296 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 11:38:59" (1/1) ... [2020-10-29 11:38:59,309 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 11:38:59" (1/1) ... [2020-10-29 11:38:59,324 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 11:38:59" (1/1) ... [2020-10-29 11:38:59,333 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-10-29 11:38:59,349 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-10-29 11:38:59,349 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-10-29 11:38:59,349 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-10-29 11:38:59,350 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 11:38:59" (1/1) ... No working directory specified, using /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-10-29 11:38:59,449 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-10-29 11:38:59,449 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-10-29 11:38:59,450 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~X~int~TO~int [2020-10-29 11:38:59,450 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error [2020-10-29 11:38:59,450 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2020-10-29 11:38:59,450 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__base [2020-10-29 11:38:59,450 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__highWaterSensor [2020-10-29 11:38:59,451 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment [2020-10-29 11:38:59,451 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump [2020-10-29 11:38:59,451 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivatePump [2020-10-29 11:38:59,451 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneAlarm [2020-10-29 11:38:59,451 INFO L138 BoogieDeclarations]: Found implementation of procedure isPumpRunning [2020-10-29 11:38:59,452 INFO L138 BoogieDeclarations]: Found implementation of procedure printPump [2020-10-29 11:38:59,452 INFO L138 BoogieDeclarations]: Found implementation of procedure isHighWaterLevel [2020-10-29 11:38:59,452 INFO L138 BoogieDeclarations]: Found implementation of procedure isLowWaterLevel [2020-10-29 11:38:59,452 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2020-10-29 11:38:59,452 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification3_spec__1 [2020-10-29 11:38:59,453 INFO L138 BoogieDeclarations]: Found implementation of procedure lowerWaterLevel [2020-10-29 11:38:59,453 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2020-10-29 11:38:59,453 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2020-10-29 11:38:59,453 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2020-10-29 11:38:59,453 INFO L138 BoogieDeclarations]: Found implementation of procedure printEnvironment [2020-10-29 11:38:59,454 INFO L138 BoogieDeclarations]: Found implementation of procedure getWaterLevel [2020-10-29 11:38:59,454 INFO L138 BoogieDeclarations]: Found implementation of procedure isHighWaterSensorDry [2020-10-29 11:38:59,454 INFO L138 BoogieDeclarations]: Found implementation of procedure isLowWaterSensorDry [2020-10-29 11:38:59,454 INFO L138 BoogieDeclarations]: Found implementation of procedure select_one [2020-10-29 11:38:59,454 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2020-10-29 11:38:59,454 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2020-10-29 11:38:59,455 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2020-10-29 11:38:59,455 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_set [2020-10-29 11:38:59,455 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_free [2020-10-29 11:38:59,455 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_reset [2020-10-29 11:38:59,455 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__error_stack_mgt [2020-10-29 11:38:59,456 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_arg [2020-10-29 11:38:59,456 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_argtype [2020-10-29 11:38:59,456 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2020-10-29 11:38:59,456 INFO L138 BoogieDeclarations]: Found implementation of procedure Specification2 [2020-10-29 11:38:59,456 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2020-10-29 11:38:59,456 INFO L138 BoogieDeclarations]: Found implementation of procedure runTest [2020-10-29 11:38:59,457 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-10-29 11:38:59,457 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2020-10-29 11:38:59,457 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2020-10-29 11:38:59,457 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2020-10-29 11:38:59,457 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error [2020-10-29 11:38:59,458 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-10-29 11:38:59,458 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2020-10-29 11:38:59,458 INFO L130 BoogieDeclarations]: Found specification of procedure printf [2020-10-29 11:38:59,458 INFO L130 BoogieDeclarations]: Found specification of procedure lowerWaterLevel [2020-10-29 11:38:59,458 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2020-10-29 11:38:59,458 INFO L130 BoogieDeclarations]: Found specification of procedure printEnvironment [2020-10-29 11:38:59,459 INFO L130 BoogieDeclarations]: Found specification of procedure isHighWaterSensorDry [2020-10-29 11:38:59,459 INFO L130 BoogieDeclarations]: Found specification of procedure isLowWaterSensorDry [2020-10-29 11:38:59,459 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2020-10-29 11:38:59,459 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump [2020-10-29 11:38:59,459 INFO L130 BoogieDeclarations]: Found specification of procedure deactivatePump [2020-10-29 11:38:59,460 INFO L130 BoogieDeclarations]: Found specification of procedure isPumpRunning [2020-10-29 11:38:59,460 INFO L130 BoogieDeclarations]: Found specification of procedure printPump [2020-10-29 11:38:59,460 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification3_spec__1 [2020-10-29 11:38:59,460 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment [2020-10-29 11:38:59,460 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__base [2020-10-29 11:38:59,461 INFO L130 BoogieDeclarations]: Found specification of procedure isHighWaterLevel [2020-10-29 11:38:59,461 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__highWaterSensor [2020-10-29 11:38:59,461 INFO L130 BoogieDeclarations]: Found specification of procedure isLowWaterLevel [2020-10-29 11:38:59,461 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneAlarm [2020-10-29 11:38:59,461 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2020-10-29 11:38:59,461 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2020-10-29 11:38:59,462 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2020-10-29 11:38:59,462 INFO L130 BoogieDeclarations]: Found specification of procedure test [2020-10-29 11:38:59,462 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2020-10-29 11:38:59,462 INFO L130 BoogieDeclarations]: Found specification of procedure getWaterLevel [2020-10-29 11:38:59,462 INFO L130 BoogieDeclarations]: Found specification of procedure select_one [2020-10-29 11:38:59,463 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2020-10-29 11:38:59,463 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2020-10-29 11:38:59,463 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2020-10-29 11:38:59,463 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2020-10-29 11:38:59,463 INFO L130 BoogieDeclarations]: Found specification of procedure free [2020-10-29 11:38:59,464 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_set [2020-10-29 11:38:59,464 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2020-10-29 11:38:59,464 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2020-10-29 11:38:59,464 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-10-29 11:38:59,464 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2020-10-29 11:38:59,464 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_free [2020-10-29 11:38:59,465 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-10-29 11:38:59,465 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_reset [2020-10-29 11:38:59,465 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~X~int~TO~int [2020-10-29 11:38:59,465 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2020-10-29 11:38:59,465 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__error_stack_mgt [2020-10-29 11:38:59,466 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_arg [2020-10-29 11:38:59,466 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_argtype [2020-10-29 11:38:59,466 INFO L130 BoogieDeclarations]: Found specification of procedure Specification2 [2020-10-29 11:38:59,466 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2020-10-29 11:38:59,466 INFO L130 BoogieDeclarations]: Found specification of procedure runTest [2020-10-29 11:38:59,467 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-10-29 11:38:59,467 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-10-29 11:38:59,467 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-10-29 11:38:59,467 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-10-29 11:39:00,711 INFO L293 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-10-29 11:39:00,712 INFO L298 CfgBuilder]: Removed 5 assume(true) statements. [2020-10-29 11:39:00,716 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.10 11:39:00 BoogieIcfgContainer [2020-10-29 11:39:00,716 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-10-29 11:39:00,720 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-10-29 11:39:00,721 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-10-29 11:39:00,724 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-10-29 11:39:00,725 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 29.10 11:38:58" (1/3) ... [2020-10-29 11:39:00,726 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@78dd0fa9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 29.10 11:39:00, skipping insertion in model container [2020-10-29 11:39:00,726 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 11:38:59" (2/3) ... [2020-10-29 11:39:00,727 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@78dd0fa9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 29.10 11:39:00, skipping insertion in model container [2020-10-29 11:39:00,728 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.10 11:39:00" (3/3) ... [2020-10-29 11:39:00,730 INFO L111 eAbstractionObserver]: Analyzing ICFG minepump_spec3_product49.cil.c [2020-10-29 11:39:00,744 INFO L164 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:Craig_NestedInterpolation Determinization: PREDICATE_ABSTRACTION [2020-10-29 11:39:00,751 INFO L176 ceAbstractionStarter]: Appying trace abstraction to program that has 5 error locations. [2020-10-29 11:39:00,768 INFO L253 AbstractCegarLoop]: Starting to check reachability of 5 error locations. [2020-10-29 11:39:00,816 INFO L377 AbstractCegarLoop]: Interprodecural is true [2020-10-29 11:39:00,816 INFO L378 AbstractCegarLoop]: Hoare is true [2020-10-29 11:39:00,816 INFO L379 AbstractCegarLoop]: Compute interpolants for Craig_NestedInterpolation [2020-10-29 11:39:00,816 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-10-29 11:39:00,816 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-10-29 11:39:00,817 INFO L382 AbstractCegarLoop]: Difference is false [2020-10-29 11:39:00,818 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-10-29 11:39:00,818 INFO L387 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-10-29 11:39:00,853 INFO L276 IsEmpty]: Start isEmpty. Operand 184 states. [2020-10-29 11:39:00,864 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 54 [2020-10-29 11:39:00,864 INFO L414 BasicCegarLoop]: Found error trace [2020-10-29 11:39:00,866 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, 1, 1] [2020-10-29 11:39:00,866 INFO L429 AbstractCegarLoop]: === Iteration 1 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argErr1ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argErr0ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argtypeErr0ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argtypeErr1ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-29 11:39:00,873 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-29 11:39:00,873 INFO L82 PathProgramCache]: Analyzing trace with hash 995908884, now seen corresponding path program 1 times [2020-10-29 11:39:00,883 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-29 11:39:00,884 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1918645110] [2020-10-29 11:39:00,884 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-29 11:39:01,212 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 11:39:01,370 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 11:39:01,536 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 11:39:01,703 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 11:39:04,243 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 11:39:04,243 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 87 [2020-10-29 11:39:04,244 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-10-29 11:39:04,244 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3024 [2020-10-29 11:39:04,248 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 11:39:04,249 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 11:39:04,250 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 11:39:04,250 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-29 11:39:04,250 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 47 [2020-10-29 11:39:04,259 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 14 [2020-10-29 11:39:04,707 WARN L193 SmtUtils]: Spent 333.00 ms on a formula simplification that was a NOOP. DAG size: 202 [2020-10-29 11:39:04,710 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-29 11:39:04,741 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 11:39:04,757 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 11:39:04,863 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 11:39:04,864 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-29 11:39:04,864 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 11:39:04,864 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 121 [2020-10-29 11:39:04,864 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 11:39:04,865 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 11:39:04,865 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 11:39:04,865 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 11:39:04,865 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-10-29 11:39:04,865 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 11:39:04,908 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-29 11:39:04,911 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 11:39:04,914 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 11:39:04,916 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 11:39:04,916 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-29 11:39:04,917 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 11:39:04,917 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-29 11:39:04,918 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 11:39:04,918 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 11:39:04,918 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 11:39:04,918 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 11:39:04,918 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-10-29 11:39:04,919 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 11:39:04,921 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-10-29 11:39:04,923 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 11:39:04,925 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 11:39:04,927 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 11:39:04,927 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-29 11:39:04,927 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 11:39:04,927 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-29 11:39:04,927 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 11:39:04,928 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 11:39:04,928 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 11:39:04,928 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 11:39:04,928 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-10-29 11:39:04,928 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 11:39:04,931 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-29 11:39:04,934 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 11:39:04,936 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 11:39:04,938 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 11:39:04,938 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-29 11:39:04,939 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 11:39:04,939 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-29 11:39:04,939 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 11:39:04,939 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 11:39:04,939 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 11:39:04,940 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 11:39:04,940 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-29 11:39:04,940 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 11:39:04,942 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-10-29 11:39:04,957 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 11:39:04,959 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 11:39:04,962 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 11:39:04,963 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-29 11:39:04,963 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 11:39:04,963 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-29 11:39:04,963 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 11:39:04,963 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 11:39:04,964 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 11:39:04,964 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 11:39:04,964 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-10-29 11:39:04,964 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 11:39:04,966 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2020-10-29 11:39:04,970 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 11:39:04,973 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 11:39:04,978 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 11:39:04,979 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-29 11:39:04,980 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 11:39:04,980 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-29 11:39:04,980 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 11:39:04,980 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 11:39:04,981 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 11:39:04,981 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-29 11:39:04,981 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 11:39:04,981 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 11:39:04,983 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2020-10-29 11:39:04,986 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 11:39:04,987 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 11:39:04,991 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 11:39:04,991 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-29 11:39:04,991 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 11:39:04,992 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-29 11:39:04,992 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 11:39:04,992 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 11:39:04,992 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 11:39:04,992 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-29 11:39:04,993 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 11:39:04,993 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 11:39:04,996 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2020-10-29 11:39:04,998 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 11:39:05,000 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 11:39:05,001 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 11:39:05,001 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-29 11:39:05,002 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 11:39:05,002 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-29 11:39:05,002 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 11:39:05,002 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 11:39:05,002 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 11:39:05,003 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-29 11:39:05,003 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 11:39:05,003 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 11:39:05,043 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 11:39:05,044 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1918645110] [2020-10-29 11:39:05,047 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-29 11:39:05,047 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2020-10-29 11:39:05,048 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [258928604] [2020-10-29 11:39:05,055 INFO L461 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-10-29 11:39:05,056 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-29 11:39:05,072 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-10-29 11:39:05,073 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2020-10-29 11:39:05,076 INFO L87 Difference]: Start difference. First operand 184 states. Second operand 4 states. [2020-10-29 11:39:05,608 WARN L193 SmtUtils]: Spent 382.00 ms on a formula simplification that was a NOOP. DAG size: 204 [2020-10-29 11:39:06,936 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-29 11:39:06,937 INFO L93 Difference]: Finished difference Result 314 states and 408 transitions. [2020-10-29 11:39:06,937 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-10-29 11:39:06,939 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 53 [2020-10-29 11:39:06,940 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-29 11:39:06,953 INFO L225 Difference]: With dead ends: 314 [2020-10-29 11:39:06,953 INFO L226 Difference]: Without dead ends: 167 [2020-10-29 11:39:06,958 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 20 GetRequests, 16 SyntacticMatches, 1 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.7s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2020-10-29 11:39:06,978 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 167 states. [2020-10-29 11:39:07,065 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 167 to 135. [2020-10-29 11:39:07,067 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 135 states. [2020-10-29 11:39:07,069 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 135 states to 135 states and 157 transitions. [2020-10-29 11:39:07,071 INFO L78 Accepts]: Start accepts. Automaton has 135 states and 157 transitions. Word has length 53 [2020-10-29 11:39:07,071 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-29 11:39:07,072 INFO L481 AbstractCegarLoop]: Abstraction has 135 states and 157 transitions. [2020-10-29 11:39:07,072 INFO L482 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-10-29 11:39:07,072 INFO L276 IsEmpty]: Start isEmpty. Operand 135 states and 157 transitions. [2020-10-29 11:39:07,076 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 68 [2020-10-29 11:39:07,076 INFO L414 BasicCegarLoop]: Found error trace [2020-10-29 11:39:07,076 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-29 11:39:07,077 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-10-29 11:39:07,077 INFO L429 AbstractCegarLoop]: === Iteration 2 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argErr1ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argErr0ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argtypeErr0ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argtypeErr1ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-29 11:39:07,077 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-29 11:39:07,078 INFO L82 PathProgramCache]: Analyzing trace with hash -1271914784, now seen corresponding path program 1 times [2020-10-29 11:39:07,078 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-29 11:39:07,078 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [322991642] [2020-10-29 11:39:07,078 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-29 11:39:07,113 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 11:39:07,137 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 11:39:07,181 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 11:39:07,448 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 11:39:07,528 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 11:39:08,744 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 11:39:12,116 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 11:39:12,116 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 107 [2020-10-29 11:39:12,116 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 5 [2020-10-29 11:39:12,117 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5001 [2020-10-29 11:39:12,117 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 11:39:12,117 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 11:39:12,118 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 15 [2020-10-29 11:39:12,118 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-29 11:39:12,118 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 87 [2020-10-29 11:39:12,118 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-29 11:39:12,635 WARN L193 SmtUtils]: Spent 396.00 ms on a formula simplification that was a NOOP. DAG size: 202 [2020-10-29 11:39:12,637 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-29 11:39:12,652 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 11:39:12,664 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 11:39:12,731 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 11:39:12,731 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-29 11:39:12,732 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 11:39:12,732 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 77 [2020-10-29 11:39:12,732 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 11:39:12,732 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 11:39:12,732 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 11:39:12,732 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 11:39:12,733 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-10-29 11:39:12,733 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 11:39:12,751 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-29 11:39:12,752 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 11:39:12,753 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 11:39:12,755 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 11:39:12,755 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-29 11:39:12,755 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 11:39:12,755 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-29 11:39:12,755 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 11:39:12,756 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 11:39:12,756 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 11:39:12,756 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 11:39:12,756 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-10-29 11:39:12,756 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 11:39:12,757 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-10-29 11:39:12,758 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 11:39:12,759 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 11:39:12,761 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 11:39:12,761 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-29 11:39:12,761 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 11:39:12,761 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-29 11:39:12,761 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 11:39:12,762 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 11:39:12,762 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 11:39:12,762 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 11:39:12,762 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-10-29 11:39:12,762 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 11:39:12,763 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-29 11:39:12,765 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 11:39:12,766 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 11:39:12,767 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 11:39:12,767 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-29 11:39:12,767 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 11:39:12,768 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-29 11:39:12,768 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 11:39:12,768 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 11:39:12,768 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 11:39:12,768 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 11:39:12,768 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-29 11:39:12,769 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 11:39:12,770 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-10-29 11:39:12,771 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 11:39:12,772 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 11:39:12,773 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 11:39:12,773 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-29 11:39:12,773 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 11:39:12,774 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-29 11:39:12,774 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 11:39:12,774 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 11:39:12,774 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 11:39:12,774 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 11:39:12,774 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-10-29 11:39:12,775 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 11:39:12,790 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 31 [2020-10-29 11:39:12,792 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 11:39:12,793 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 11:39:12,795 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 11:39:12,804 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 11:39:12,805 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 21 [2020-10-29 11:39:12,805 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-29 11:39:12,805 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 11 [2020-10-29 11:39:12,805 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 11:39:12,806 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 11:39:12,806 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 11:39:12,806 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 11:39:12,806 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 18 [2020-10-29 11:39:12,807 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-29 11:39:12,809 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-29 11:39:12,810 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 11:39:12,811 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 11:39:12,813 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 11:39:12,813 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 14 [2020-10-29 11:39:12,813 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 11:39:12,813 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-29 11:39:12,813 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 11:39:12,814 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 11:39:12,814 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 11:39:12,814 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 11:39:12,814 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 11:39:12,814 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 11:39:12,815 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-29 11:39:12,816 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 11:39:12,817 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 11:39:12,818 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 11:39:12,818 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-29 11:39:12,818 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 11:39:12,818 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-29 11:39:12,819 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 11:39:12,819 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 11:39:12,819 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 11:39:12,819 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 11:39:12,819 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 11:39:12,820 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 11:39:12,821 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2020-10-29 11:39:12,822 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 11:39:12,823 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 11:39:12,825 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 11:39:12,825 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-29 11:39:12,826 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 11:39:12,826 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-29 11:39:12,826 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 11:39:12,826 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 11:39:12,827 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 11:39:12,827 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 11:39:12,827 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-29 11:39:12,827 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-29 11:39:12,829 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 52 [2020-10-29 11:39:12,830 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 11:39:12,831 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 11:39:12,835 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 11:39:12,835 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-29 11:39:12,835 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 11:39:12,835 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-29 11:39:12,836 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 11:39:12,836 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 11:39:12,836 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-29 11:39:12,836 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 11:39:12,836 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-29 11:39:12,836 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 11:39:12,859 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2020-10-29 11:39:12,861 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 11:39:12,861 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 11:39:12,862 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 11:39:12,863 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-29 11:39:12,863 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 11:39:12,863 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-29 11:39:12,863 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 11:39:12,863 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 11:39:12,864 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 11:39:12,864 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-29 11:39:12,864 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 11:39:12,864 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 11:39:12,882 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 11:39:12,882 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [322991642] [2020-10-29 11:39:12,883 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-29 11:39:12,883 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2020-10-29 11:39:12,883 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [474240587] [2020-10-29 11:39:12,885 INFO L461 AbstractCegarLoop]: Interpolant automaton has 8 states [2020-10-29 11:39:12,885 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-29 11:39:12,886 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2020-10-29 11:39:12,886 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=42, Unknown=0, NotChecked=0, Total=56 [2020-10-29 11:39:12,886 INFO L87 Difference]: Start difference. First operand 135 states and 157 transitions. Second operand 8 states. [2020-10-29 11:39:13,394 WARN L193 SmtUtils]: Spent 345.00 ms on a formula simplification that was a NOOP. DAG size: 204 [2020-10-29 11:39:15,523 WARN L193 SmtUtils]: Spent 410.00 ms on a formula simplification that was a NOOP. DAG size: 207 [2020-10-29 11:39:16,051 WARN L193 SmtUtils]: Spent 384.00 ms on a formula simplification that was a NOOP. DAG size: 206 [2020-10-29 11:39:16,516 WARN L193 SmtUtils]: Spent 371.00 ms on a formula simplification that was a NOOP. DAG size: 206 [2020-10-29 11:39:16,911 WARN L193 SmtUtils]: Spent 371.00 ms on a formula simplification that was a NOOP. DAG size: 205 [2020-10-29 11:39:18,036 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-29 11:39:18,036 INFO L93 Difference]: Finished difference Result 425 states and 573 transitions. [2020-10-29 11:39:18,037 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2020-10-29 11:39:18,037 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 67 [2020-10-29 11:39:18,038 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-29 11:39:18,043 INFO L225 Difference]: With dead ends: 425 [2020-10-29 11:39:18,043 INFO L226 Difference]: Without dead ends: 314 [2020-10-29 11:39:18,046 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 38 GetRequests, 26 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 13 ImplicationChecksByTransitivity, 2.4s TimeCoverageRelationStatistics Valid=54, Invalid=128, Unknown=0, NotChecked=0, Total=182 [2020-10-29 11:39:18,047 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 314 states. [2020-10-29 11:39:18,142 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 314 to 245. [2020-10-29 11:39:18,143 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 245 states. [2020-10-29 11:39:18,145 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 245 states to 245 states and 296 transitions. [2020-10-29 11:39:18,145 INFO L78 Accepts]: Start accepts. Automaton has 245 states and 296 transitions. Word has length 67 [2020-10-29 11:39:18,146 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-29 11:39:18,146 INFO L481 AbstractCegarLoop]: Abstraction has 245 states and 296 transitions. [2020-10-29 11:39:18,146 INFO L482 AbstractCegarLoop]: Interpolant automaton has 8 states. [2020-10-29 11:39:18,146 INFO L276 IsEmpty]: Start isEmpty. Operand 245 states and 296 transitions. [2020-10-29 11:39:18,150 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 76 [2020-10-29 11:39:18,150 INFO L414 BasicCegarLoop]: Found error trace [2020-10-29 11:39:18,150 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, 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 11:39:18,150 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-10-29 11:39:18,151 INFO L429 AbstractCegarLoop]: === Iteration 3 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argErr1ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argErr0ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argtypeErr0ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argtypeErr1ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-29 11:39:18,151 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-29 11:39:18,151 INFO L82 PathProgramCache]: Analyzing trace with hash 1115687143, now seen corresponding path program 1 times [2020-10-29 11:39:18,152 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-29 11:39:18,152 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1242362611] [2020-10-29 11:39:18,152 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-29 11:39:18,183 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 11:39:18,202 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 11:39:18,354 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 11:39:18,387 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 11:39:19,632 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 11:39:22,171 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 11:39:22,171 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 115 [2020-10-29 11:39:22,172 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 4 [2020-10-29 11:39:22,172 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3986 [2020-10-29 11:39:22,172 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 11:39:22,172 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 11:39:22,172 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 14 [2020-10-29 11:39:22,172 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-29 11:39:22,173 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 66 [2020-10-29 11:39:22,173 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 11:39:22,514 WARN L193 SmtUtils]: Spent 273.00 ms on a formula simplification that was a NOOP. DAG size: 202 [2020-10-29 11:39:22,516 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-29 11:39:22,533 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 11:39:22,543 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 11:39:22,613 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 11:39:22,613 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-29 11:39:22,614 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 11:39:22,614 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 79 [2020-10-29 11:39:22,614 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 11:39:22,614 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 11:39:22,614 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 11:39:22,615 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 11:39:22,615 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-10-29 11:39:22,615 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 11:39:22,630 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-29 11:39:22,631 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 11:39:22,632 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 11:39:22,633 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 11:39:22,633 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-29 11:39:22,633 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 11:39:22,633 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-29 11:39:22,634 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 11:39:22,634 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 11:39:22,634 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 11:39:22,634 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 11:39:22,634 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-10-29 11:39:22,634 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 11:39:22,635 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-10-29 11:39:22,636 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 11:39:22,637 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 11:39:22,638 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 11:39:22,638 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-29 11:39:22,638 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 11:39:22,638 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-29 11:39:22,638 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 11:39:22,638 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 11:39:22,639 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 11:39:22,639 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 11:39:22,639 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-10-29 11:39:22,639 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 11:39:22,640 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-29 11:39:22,641 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 11:39:22,642 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 11:39:22,643 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 11:39:22,643 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-29 11:39:22,643 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 11:39:22,644 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-29 11:39:22,644 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 11:39:22,644 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 11:39:22,644 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 11:39:22,644 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 11:39:22,644 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-29 11:39:22,644 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 11:39:22,646 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-10-29 11:39:22,646 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 11:39:22,647 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 11:39:22,648 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 11:39:22,649 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-29 11:39:22,649 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 11:39:22,649 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-29 11:39:22,649 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 11:39:22,649 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 11:39:22,649 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 11:39:22,650 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 11:39:22,650 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-10-29 11:39:22,650 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 11:39:22,661 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2020-10-29 11:39:22,662 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 11:39:22,663 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 11:39:22,665 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 11:39:22,666 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-29 11:39:22,666 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 11:39:22,666 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-29 11:39:22,666 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 11:39:22,666 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 11:39:22,667 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 11:39:22,667 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 11:39:22,667 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-29 11:39:22,667 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 11:39:22,677 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2020-10-29 11:39:22,679 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 11:39:22,680 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 11:39:22,684 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 11:39:22,688 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 11:39:22,688 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 21 [2020-10-29 11:39:22,688 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-29 11:39:22,688 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 8 [2020-10-29 11:39:22,688 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 11:39:22,688 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 11:39:22,689 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-10-29 11:39:22,689 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-29 11:39:22,689 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 21 [2020-10-29 11:39:22,689 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 11:39:22,702 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-29 11:39:22,704 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 11:39:22,705 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 11:39:22,712 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 11:39:22,712 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 14 [2020-10-29 11:39:22,713 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 11:39:22,713 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-10-29 11:39:22,713 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 11:39:22,713 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 11:39:22,714 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-29 11:39:22,714 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-29 11:39:22,714 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 14 [2020-10-29 11:39:22,715 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-29 11:39:22,787 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-29 11:39:22,789 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 11:39:22,790 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 11:39:22,791 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 11:39:22,791 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-29 11:39:22,791 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 11:39:22,791 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-29 11:39:22,792 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 11:39:22,792 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 11:39:22,792 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 11:39:22,792 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 11:39:22,792 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-10-29 11:39:22,792 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 11:39:22,794 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2020-10-29 11:39:22,795 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 11:39:22,796 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 11:39:22,797 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 11:39:22,797 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-29 11:39:22,798 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 11:39:22,798 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-29 11:39:22,798 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 11:39:22,798 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 11:39:22,798 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 11:39:22,798 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-29 11:39:22,799 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 11:39:22,799 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 11:39:22,800 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2020-10-29 11:39:22,801 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 11:39:22,802 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 11:39:22,803 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 11:39:22,803 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-29 11:39:22,803 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 11:39:22,803 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-29 11:39:22,803 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 11:39:22,803 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 11:39:22,804 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 11:39:22,804 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-29 11:39:22,804 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 11:39:22,804 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 11:39:22,805 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2020-10-29 11:39:22,806 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 11:39:22,807 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 11:39:22,808 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 11:39:22,811 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-29 11:39:22,811 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 11:39:22,812 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-29 11:39:22,812 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 11:39:22,812 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 11:39:22,812 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 11:39:22,813 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-29 11:39:22,813 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 11:39:22,813 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-29 11:39:22,850 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 11:39:22,851 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1242362611] [2020-10-29 11:39:22,851 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-29 11:39:22,851 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2020-10-29 11:39:22,852 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [282954302] [2020-10-29 11:39:22,853 INFO L461 AbstractCegarLoop]: Interpolant automaton has 8 states [2020-10-29 11:39:22,853 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-29 11:39:22,854 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2020-10-29 11:39:22,854 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=38, Unknown=0, NotChecked=0, Total=56 [2020-10-29 11:39:22,855 INFO L87 Difference]: Start difference. First operand 245 states and 296 transitions. Second operand 8 states. [2020-10-29 11:39:23,354 WARN L193 SmtUtils]: Spent 308.00 ms on a formula simplification that was a NOOP. DAG size: 204 [2020-10-29 11:39:24,732 WARN L193 SmtUtils]: Spent 326.00 ms on a formula simplification that was a NOOP. DAG size: 205 [2020-10-29 11:39:27,063 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-29 11:39:27,063 INFO L93 Difference]: Finished difference Result 695 states and 966 transitions. [2020-10-29 11:39:27,063 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2020-10-29 11:39:27,063 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 75 [2020-10-29 11:39:27,064 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-29 11:39:27,070 INFO L225 Difference]: With dead ends: 695 [2020-10-29 11:39:27,070 INFO L226 Difference]: Without dead ends: 474 [2020-10-29 11:39:27,074 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 45 GetRequests, 28 SyntacticMatches, 1 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 51 ImplicationChecksByTransitivity, 1.1s TimeCoverageRelationStatistics Valid=87, Invalid=219, Unknown=0, NotChecked=0, Total=306 [2020-10-29 11:39:27,075 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 474 states. [2020-10-29 11:39:27,194 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 474 to 379. [2020-10-29 11:39:27,194 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 379 states. [2020-10-29 11:39:27,197 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 379 states to 379 states and 471 transitions. [2020-10-29 11:39:27,198 INFO L78 Accepts]: Start accepts. Automaton has 379 states and 471 transitions. Word has length 75 [2020-10-29 11:39:27,198 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-29 11:39:27,198 INFO L481 AbstractCegarLoop]: Abstraction has 379 states and 471 transitions. [2020-10-29 11:39:27,198 INFO L482 AbstractCegarLoop]: Interpolant automaton has 8 states. [2020-10-29 11:39:27,198 INFO L276 IsEmpty]: Start isEmpty. Operand 379 states and 471 transitions. [2020-10-29 11:39:27,201 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 90 [2020-10-29 11:39:27,201 INFO L414 BasicCegarLoop]: Found error trace [2020-10-29 11:39:27,202 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 11:39:27,202 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-10-29 11:39:27,202 INFO L429 AbstractCegarLoop]: === Iteration 4 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argErr1ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argErr0ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argtypeErr0ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argtypeErr1ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-29 11:39:27,202 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-29 11:39:27,203 INFO L82 PathProgramCache]: Analyzing trace with hash -1739462853, now seen corresponding path program 1 times [2020-10-29 11:39:27,203 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-29 11:39:27,203 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [491103438] [2020-10-29 11:39:27,203 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-29 11:39:27,249 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 11:39:27,269 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 11:39:27,308 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 11:39:30,808 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 11:39:30,808 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 133 [2020-10-29 11:39:30,808 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-29 11:39:30,808 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3556 [2020-10-29 11:39:30,809 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 11:39:30,809 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 11:39:30,809 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 13 [2020-10-29 11:39:30,809 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-29 11:39:30,809 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 75 [2020-10-29 11:39:30,809 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 11:39:31,181 WARN L193 SmtUtils]: Spent 317.00 ms on a formula simplification that was a NOOP. DAG size: 202 [2020-10-29 11:39:31,182 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-29 11:39:31,200 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 11:39:31,211 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 11:39:31,283 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 11:39:31,283 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-29 11:39:31,284 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 11:39:31,284 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 82 [2020-10-29 11:39:31,284 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 11:39:31,284 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 11:39:31,284 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 11:39:31,284 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 11:39:31,285 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-10-29 11:39:31,285 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 11:39:31,300 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-29 11:39:31,301 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 11:39:31,302 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 11:39:31,303 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 11:39:31,303 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-29 11:39:31,303 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 11:39:31,303 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-29 11:39:31,304 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 11:39:31,304 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 11:39:31,304 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 11:39:31,304 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 11:39:31,304 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-10-29 11:39:31,304 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 11:39:31,305 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-10-29 11:39:31,306 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 11:39:31,306 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 11:39:31,308 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 11:39:31,308 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-29 11:39:31,308 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 11:39:31,308 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-29 11:39:31,308 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 11:39:31,309 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 11:39:31,309 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 11:39:31,309 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 11:39:31,309 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-10-29 11:39:31,309 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 11:39:31,310 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-29 11:39:31,311 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 11:39:31,312 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 11:39:31,314 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 11:39:31,314 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-29 11:39:31,314 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 11:39:31,314 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-29 11:39:31,314 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 11:39:31,315 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 11:39:31,315 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 11:39:31,315 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 11:39:31,315 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-29 11:39:31,315 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 11:39:31,316 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-10-29 11:39:31,317 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 11:39:31,318 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 11:39:31,319 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 11:39:31,319 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-29 11:39:31,320 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 11:39:31,320 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-29 11:39:31,320 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 11:39:31,320 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 11:39:31,320 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 11:39:31,320 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 11:39:31,321 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-10-29 11:39:31,321 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 11:39:31,330 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2020-10-29 11:39:31,332 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 11:39:31,333 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 11:39:31,337 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 11:39:31,338 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-29 11:39:31,338 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 11:39:31,338 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-29 11:39:31,338 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 11:39:31,338 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 11:39:31,338 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-29 11:39:31,339 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-29 11:39:31,339 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-10-29 11:39:31,339 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 11:39:31,375 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2020-10-29 11:39:31,377 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 11:39:31,380 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 11:39:31,387 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 11:39:31,387 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 39 [2020-10-29 11:39:31,387 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 11:39:31,387 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 8 [2020-10-29 11:39:31,388 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 11:39:31,388 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 11:39:31,388 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 11:39:31,388 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 17 [2020-10-29 11:39:31,388 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 20 [2020-10-29 11:39:31,388 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 11:39:31,403 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-29 11:39:31,409 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 11:39:31,410 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 11:39:31,421 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 11:39:31,421 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 32 [2020-10-29 11:39:31,422 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 11:39:31,422 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 11 [2020-10-29 11:39:31,422 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 11:39:31,422 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 11:39:31,422 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 11:39:31,423 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 11:39:31,423 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 12 [2020-10-29 11:39:31,423 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 11:39:31,427 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-29 11:39:31,431 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 11:39:31,433 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 11:39:31,438 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 11:39:31,439 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 18 [2020-10-29 11:39:31,439 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 11:39:31,439 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-29 11:39:31,439 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 11:39:31,439 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 11:39:31,440 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 11:39:31,440 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 11:39:31,440 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-10-29 11:39:31,440 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 11:39:31,443 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-29 11:39:31,444 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 11:39:31,447 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 11:39:31,449 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 11:39:31,449 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-29 11:39:31,449 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 11:39:31,450 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-29 11:39:31,450 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 11:39:31,450 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 11:39:31,450 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 11:39:31,450 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 11:39:31,451 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 3 [2020-10-29 11:39:31,451 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 11:39:31,453 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2020-10-29 11:39:31,454 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 11:39:31,455 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 11:39:31,456 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 11:39:31,457 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-29 11:39:31,457 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 11:39:31,457 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-29 11:39:31,457 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 11:39:31,457 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 11:39:31,458 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 11:39:31,458 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 11:39:31,458 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-10-29 11:39:31,458 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 11:39:31,461 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 68 [2020-10-29 11:39:31,462 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 11:39:31,462 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 11:39:31,463 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 11:39:31,463 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-29 11:39:31,464 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 11:39:31,464 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-29 11:39:31,464 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 11:39:31,464 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 11:39:31,464 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 11:39:31,464 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-29 11:39:31,465 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 11:39:31,465 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 11:39:31,467 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 74 [2020-10-29 11:39:31,468 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 11:39:31,469 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 11:39:31,470 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 11:39:31,470 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-29 11:39:31,470 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 11:39:31,470 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-29 11:39:31,471 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 11:39:31,471 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 11:39:31,471 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 11:39:31,471 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-29 11:39:31,471 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 11:39:31,471 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 11:39:31,473 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2020-10-29 11:39:31,474 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 11:39:31,474 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 11:39:31,475 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 11:39:31,475 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-29 11:39:31,475 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 11:39:31,476 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-29 11:39:31,476 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 11:39:31,476 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 11:39:31,476 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 11:39:31,476 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-29 11:39:31,476 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 11:39:31,477 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 11:39:31,498 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 11:39:31,499 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [491103438] [2020-10-29 11:39:31,499 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-29 11:39:31,499 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2020-10-29 11:39:31,500 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [844726190] [2020-10-29 11:39:31,501 INFO L461 AbstractCegarLoop]: Interpolant automaton has 9 states [2020-10-29 11:39:31,501 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-29 11:39:31,502 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2020-10-29 11:39:31,502 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=54, Unknown=0, NotChecked=0, Total=72 [2020-10-29 11:39:31,502 INFO L87 Difference]: Start difference. First operand 379 states and 471 transitions. Second operand 9 states. [2020-10-29 11:39:31,969 WARN L193 SmtUtils]: Spent 300.00 ms on a formula simplification that was a NOOP. DAG size: 204 [2020-10-29 11:39:32,718 WARN L193 SmtUtils]: Spent 329.00 ms on a formula simplification that was a NOOP. DAG size: 204 [2020-10-29 11:39:34,505 WARN L193 SmtUtils]: Spent 323.00 ms on a formula simplification that was a NOOP. DAG size: 204 [2020-10-29 11:39:38,063 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-29 11:39:38,064 INFO L93 Difference]: Finished difference Result 1021 states and 1430 transitions. [2020-10-29 11:39:38,064 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2020-10-29 11:39:38,064 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 89 [2020-10-29 11:39:38,065 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-29 11:39:38,078 INFO L225 Difference]: With dead ends: 1021 [2020-10-29 11:39:38,078 INFO L226 Difference]: Without dead ends: 792 [2020-10-29 11:39:38,081 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 56 GetRequests, 35 SyntacticMatches, 0 SemanticMatches, 21 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 93 ImplicationChecksByTransitivity, 1.5s TimeCoverageRelationStatistics Valid=115, Invalid=391, Unknown=0, NotChecked=0, Total=506 [2020-10-29 11:39:38,083 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 792 states. [2020-10-29 11:39:38,319 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 792 to 676. [2020-10-29 11:39:38,320 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 676 states. [2020-10-29 11:39:38,326 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 676 states to 676 states and 881 transitions. [2020-10-29 11:39:38,328 INFO L78 Accepts]: Start accepts. Automaton has 676 states and 881 transitions. Word has length 89 [2020-10-29 11:39:38,329 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-29 11:39:38,329 INFO L481 AbstractCegarLoop]: Abstraction has 676 states and 881 transitions. [2020-10-29 11:39:38,329 INFO L482 AbstractCegarLoop]: Interpolant automaton has 9 states. [2020-10-29 11:39:38,329 INFO L276 IsEmpty]: Start isEmpty. Operand 676 states and 881 transitions. [2020-10-29 11:39:38,333 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 90 [2020-10-29 11:39:38,333 INFO L414 BasicCegarLoop]: Found error trace [2020-10-29 11:39:38,333 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 11:39:38,334 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2020-10-29 11:39:38,334 INFO L429 AbstractCegarLoop]: === Iteration 5 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argErr1ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argErr0ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argtypeErr0ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argtypeErr1ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-29 11:39:38,334 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-29 11:39:38,335 INFO L82 PathProgramCache]: Analyzing trace with hash -277882854, now seen corresponding path program 1 times [2020-10-29 11:39:38,335 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-29 11:39:38,335 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [2014996638] [2020-10-29 11:39:38,335 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-29 11:39:38,362 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 11:39:38,381 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 11:39:38,626 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 11:39:38,626 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 133 [2020-10-29 11:39:38,626 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 11:39:38,626 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 262 [2020-10-29 11:39:38,627 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 11:39:38,627 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 11:39:38,627 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-29 11:39:38,627 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 79 [2020-10-29 11:39:38,627 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-29 11:39:38,627 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 11:39:39,000 WARN L193 SmtUtils]: Spent 332.00 ms on a formula simplification that was a NOOP. DAG size: 202 [2020-10-29 11:39:39,002 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-29 11:39:39,014 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 11:39:39,017 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 11:39:39,045 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 11:39:39,045 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-29 11:39:39,046 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 11:39:39,046 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 30 [2020-10-29 11:39:39,046 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 11:39:39,046 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 11:39:39,046 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 11:39:39,046 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 11:39:39,046 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 11:39:39,047 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 11:39:39,058 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-29 11:39:39,059 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 11:39:39,060 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 11:39:39,060 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 11:39:39,060 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-29 11:39:39,061 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 11:39:39,061 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-29 11:39:39,061 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 11:39:39,061 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 11:39:39,061 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 11:39:39,061 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 11:39:39,061 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 11:39:39,062 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 11:39:39,062 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-10-29 11:39:39,066 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 11:39:39,067 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 11:39:39,067 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 11:39:39,067 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-29 11:39:39,068 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 11:39:39,068 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-29 11:39:39,068 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 11:39:39,068 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 11:39:39,068 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 11:39:39,068 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 11:39:39,068 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 11:39:39,069 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 11:39:39,069 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-29 11:39:39,070 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 11:39:39,071 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 11:39:39,071 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 11:39:39,072 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-29 11:39:39,072 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 11:39:39,072 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-29 11:39:39,072 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 11:39:39,072 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 11:39:39,072 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 11:39:39,072 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 11:39:39,073 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 11:39:39,073 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 11:39:39,074 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-10-29 11:39:39,075 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 11:39:39,075 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 11:39:39,076 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 11:39:39,076 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-29 11:39:39,076 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 11:39:39,076 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-29 11:39:39,076 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 11:39:39,076 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 11:39:39,077 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 11:39:39,077 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 11:39:39,077 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 11:39:39,077 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 11:39:39,085 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2020-10-29 11:39:39,086 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 11:39:39,087 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 11:39:39,088 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 11:39:39,088 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-29 11:39:39,088 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 11:39:39,088 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-29 11:39:39,088 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 11:39:39,088 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 11:39:39,089 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 11:39:39,089 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 11:39:39,089 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 11:39:39,089 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 11:39:39,098 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2020-10-29 11:39:39,101 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 11:39:39,103 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 11:39:39,116 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 11:39:39,116 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 39 [2020-10-29 11:39:39,116 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 11:39:39,116 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 14 [2020-10-29 11:39:39,116 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 11:39:39,117 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 11:39:39,117 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-29 11:39:39,117 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 17 [2020-10-29 11:39:39,117 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-29 11:39:39,117 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 11:39:39,121 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-29 11:39:39,123 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 11:39:39,125 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 11:39:39,137 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 11:39:39,137 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 32 [2020-10-29 11:39:39,137 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 11:39:39,137 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 13 [2020-10-29 11:39:39,137 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 11:39:39,138 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 11:39:39,138 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-29 11:39:39,138 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 12 [2020-10-29 11:39:39,138 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-29 11:39:39,138 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 11:39:39,141 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-29 11:39:39,143 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 11:39:39,145 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 11:39:39,152 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 11:39:39,152 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 18 [2020-10-29 11:39:39,152 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 11:39:39,152 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 8 [2020-10-29 11:39:39,153 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 11:39:39,153 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 11:39:39,153 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-29 11:39:39,153 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 7 [2020-10-29 11:39:39,153 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-29 11:39:39,153 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 11:39:39,195 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-29 11:39:39,197 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 11:39:39,198 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 11:39:39,212 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 11:39:39,212 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-29 11:39:39,212 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 11:39:39,212 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 13 [2020-10-29 11:39:39,212 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 11:39:39,213 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 11:39:39,213 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-10-29 11:39:39,213 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 11:39:39,213 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-29 11:39:39,213 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 11:39:39,243 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2020-10-29 11:39:39,244 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 11:39:39,245 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 11:39:39,246 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 11:39:39,246 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-29 11:39:39,246 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 11:39:39,246 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-29 11:39:39,246 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 11:39:39,246 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 11:39:39,247 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 11:39:39,247 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 4 [2020-10-29 11:39:39,247 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 11:39:39,247 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 11:39:39,249 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 68 [2020-10-29 11:39:39,250 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 11:39:39,251 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 11:39:39,252 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 11:39:39,252 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-29 11:39:39,252 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 11:39:39,252 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-29 11:39:39,253 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 11:39:39,253 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 11:39:39,253 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 11:39:39,253 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-29 11:39:39,253 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 11:39:39,253 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 11:39:39,254 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 74 [2020-10-29 11:39:39,255 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 11:39:39,256 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 11:39:39,257 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 11:39:39,257 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-29 11:39:39,257 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 11:39:39,257 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-29 11:39:39,257 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 11:39:39,257 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 11:39:39,258 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 11:39:39,258 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-29 11:39:39,258 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 11:39:39,258 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 11:39:39,259 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2020-10-29 11:39:39,260 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 11:39:39,264 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 11:39:39,265 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 11:39:39,265 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-29 11:39:39,265 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 11:39:39,265 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-29 11:39:39,265 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 11:39:39,266 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 11:39:39,266 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 11:39:39,266 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-29 11:39:39,266 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 11:39:39,266 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 11:39:39,282 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 11:39:39,282 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [2014996638] [2020-10-29 11:39:39,283 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-29 11:39:39,283 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2020-10-29 11:39:39,283 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2017089982] [2020-10-29 11:39:39,283 INFO L461 AbstractCegarLoop]: Interpolant automaton has 8 states [2020-10-29 11:39:39,284 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-29 11:39:39,284 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2020-10-29 11:39:39,284 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=41, Unknown=0, NotChecked=0, Total=56 [2020-10-29 11:39:39,285 INFO L87 Difference]: Start difference. First operand 676 states and 881 transitions. Second operand 8 states. [2020-10-29 11:39:40,486 WARN L193 SmtUtils]: Spent 381.00 ms on a formula simplification that was a NOOP. DAG size: 208 [2020-10-29 11:39:40,954 WARN L193 SmtUtils]: Spent 386.00 ms on a formula simplification that was a NOOP. DAG size: 206 [2020-10-29 11:39:41,392 WARN L193 SmtUtils]: Spent 383.00 ms on a formula simplification that was a NOOP. DAG size: 206 [2020-10-29 11:39:43,183 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-29 11:39:43,184 INFO L93 Difference]: Finished difference Result 1286 states and 1756 transitions. [2020-10-29 11:39:43,184 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2020-10-29 11:39:43,184 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 89 [2020-10-29 11:39:43,185 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-29 11:39:43,192 INFO L225 Difference]: With dead ends: 1286 [2020-10-29 11:39:43,192 INFO L226 Difference]: Without dead ends: 764 [2020-10-29 11:39:43,195 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 41 GetRequests, 31 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 9 ImplicationChecksByTransitivity, 1.6s TimeCoverageRelationStatistics Valid=41, Invalid=91, Unknown=0, NotChecked=0, Total=132 [2020-10-29 11:39:43,197 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 764 states. [2020-10-29 11:39:43,389 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 764 to 676. [2020-10-29 11:39:43,389 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 676 states. [2020-10-29 11:39:43,396 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 676 states to 676 states and 880 transitions. [2020-10-29 11:39:43,397 INFO L78 Accepts]: Start accepts. Automaton has 676 states and 880 transitions. Word has length 89 [2020-10-29 11:39:43,397 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-29 11:39:43,397 INFO L481 AbstractCegarLoop]: Abstraction has 676 states and 880 transitions. [2020-10-29 11:39:43,398 INFO L482 AbstractCegarLoop]: Interpolant automaton has 8 states. [2020-10-29 11:39:43,398 INFO L276 IsEmpty]: Start isEmpty. Operand 676 states and 880 transitions. [2020-10-29 11:39:43,406 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 90 [2020-10-29 11:39:43,407 INFO L414 BasicCegarLoop]: Found error trace [2020-10-29 11:39:43,407 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 11:39:43,407 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2020-10-29 11:39:43,407 INFO L429 AbstractCegarLoop]: === Iteration 6 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argErr1ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argErr0ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argtypeErr0ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argtypeErr1ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-29 11:39:43,408 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-29 11:39:43,408 INFO L82 PathProgramCache]: Analyzing trace with hash -672249640, now seen corresponding path program 1 times [2020-10-29 11:39:43,408 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-29 11:39:43,408 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1286700734] [2020-10-29 11:39:43,408 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-29 11:39:43,437 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 11:39:43,485 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 11:39:43,849 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 11:39:43,850 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 133 [2020-10-29 11:39:43,850 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 11:39:43,850 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 411 [2020-10-29 11:39:43,850 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 11:39:43,850 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 11:39:43,850 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-29 11:39:43,851 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 83 [2020-10-29 11:39:43,851 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-29 11:39:43,851 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 11:39:44,209 WARN L193 SmtUtils]: Spent 325.00 ms on a formula simplification that was a NOOP. DAG size: 202 [2020-10-29 11:39:44,210 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-29 11:39:44,218 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 11:39:44,222 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 11:39:44,248 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 11:39:44,248 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-29 11:39:44,248 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 11:39:44,248 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 28 [2020-10-29 11:39:44,248 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 11:39:44,249 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 11:39:44,249 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 11:39:44,249 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 11:39:44,249 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 11:39:44,249 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 11:39:44,261 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-29 11:39:44,262 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 11:39:44,263 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 11:39:44,263 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 11:39:44,263 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-29 11:39:44,263 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 11:39:44,264 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-29 11:39:44,264 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 11:39:44,264 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 11:39:44,264 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 11:39:44,264 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 11:39:44,264 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 11:39:44,264 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 11:39:44,265 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-10-29 11:39:44,266 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 11:39:44,267 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 11:39:44,267 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 11:39:44,267 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-29 11:39:44,267 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 11:39:44,268 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-29 11:39:44,268 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 11:39:44,268 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 11:39:44,268 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 11:39:44,268 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 11:39:44,268 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 11:39:44,268 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 11:39:44,269 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-29 11:39:44,270 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 11:39:44,270 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 11:39:44,271 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 11:39:44,271 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-29 11:39:44,272 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 11:39:44,272 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-29 11:39:44,272 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 11:39:44,272 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 11:39:44,272 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 11:39:44,272 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 11:39:44,272 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 11:39:44,273 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 11:39:44,274 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-10-29 11:39:44,274 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 11:39:44,275 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 11:39:44,276 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 11:39:44,276 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-29 11:39:44,276 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 11:39:44,276 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-29 11:39:44,276 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 11:39:44,276 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 11:39:44,276 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 11:39:44,277 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 11:39:44,277 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 11:39:44,277 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 11:39:44,285 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2020-10-29 11:39:44,286 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 11:39:44,286 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 11:39:44,287 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 11:39:44,287 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-29 11:39:44,288 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 11:39:44,288 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-29 11:39:44,288 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 11:39:44,288 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 11:39:44,288 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 11:39:44,288 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 11:39:44,289 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 11:39:44,289 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 11:39:44,298 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2020-10-29 11:39:44,301 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 11:39:44,304 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 11:39:44,318 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 11:39:44,318 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 39 [2020-10-29 11:39:44,318 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 11:39:44,319 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 16 [2020-10-29 11:39:44,319 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 11:39:44,319 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 11:39:44,319 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-29 11:39:44,319 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 21 [2020-10-29 11:39:44,319 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-29 11:39:44,319 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 11:39:44,322 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-29 11:39:44,324 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 11:39:44,326 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 11:39:44,339 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 11:39:44,339 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 32 [2020-10-29 11:39:44,339 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 11:39:44,339 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 13 [2020-10-29 11:39:44,339 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 11:39:44,339 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 11:39:44,340 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-29 11:39:44,340 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 16 [2020-10-29 11:39:44,340 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-29 11:39:44,340 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 11:39:44,361 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-29 11:39:44,363 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 11:39:44,365 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 11:39:44,373 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 11:39:44,373 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 18 [2020-10-29 11:39:44,373 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 11:39:44,373 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 8 [2020-10-29 11:39:44,373 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 11:39:44,374 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 11:39:44,374 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-29 11:39:44,374 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 11:39:44,374 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 14 [2020-10-29 11:39:44,374 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 11:39:44,400 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-29 11:39:44,401 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 11:39:44,402 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 11:39:44,403 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 11:39:44,403 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-29 11:39:44,403 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 11:39:44,403 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-29 11:39:44,403 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 11:39:44,403 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 11:39:44,404 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 11:39:44,404 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 11:39:44,404 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 11:39:44,404 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 11:39:44,405 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2020-10-29 11:39:44,406 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 11:39:44,407 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 11:39:44,407 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 11:39:44,408 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-29 11:39:44,408 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 11:39:44,408 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-29 11:39:44,408 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 11:39:44,408 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 11:39:44,409 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 11:39:44,409 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 4 [2020-10-29 11:39:44,409 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 11:39:44,409 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 11:39:44,411 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 68 [2020-10-29 11:39:44,412 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 11:39:44,413 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 11:39:44,413 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 11:39:44,414 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-29 11:39:44,414 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 11:39:44,414 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-29 11:39:44,414 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 11:39:44,414 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 11:39:44,415 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 11:39:44,415 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-29 11:39:44,415 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 11:39:44,415 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 11:39:44,416 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 74 [2020-10-29 11:39:44,417 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 11:39:44,418 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 11:39:44,418 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 11:39:44,418 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-29 11:39:44,419 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 11:39:44,419 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-29 11:39:44,419 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 11:39:44,419 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 11:39:44,419 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 11:39:44,419 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-29 11:39:44,419 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 11:39:44,419 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 11:39:44,421 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2020-10-29 11:39:44,422 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 11:39:44,422 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 11:39:44,423 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 11:39:44,423 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-29 11:39:44,423 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 11:39:44,423 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-29 11:39:44,424 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 11:39:44,424 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 11:39:44,424 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 11:39:44,424 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-29 11:39:44,424 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 11:39:44,424 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 11:39:44,439 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 11:39:44,440 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1286700734] [2020-10-29 11:39:44,440 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-29 11:39:44,440 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2020-10-29 11:39:44,440 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [50184870] [2020-10-29 11:39:44,441 INFO L461 AbstractCegarLoop]: Interpolant automaton has 9 states [2020-10-29 11:39:44,441 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-29 11:39:44,441 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2020-10-29 11:39:44,442 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=55, Unknown=0, NotChecked=0, Total=72 [2020-10-29 11:39:44,442 INFO L87 Difference]: Start difference. First operand 676 states and 880 transitions. Second operand 9 states. [2020-10-29 11:39:45,653 WARN L193 SmtUtils]: Spent 373.00 ms on a formula simplification that was a NOOP. DAG size: 205 [2020-10-29 11:39:46,057 WARN L193 SmtUtils]: Spent 376.00 ms on a formula simplification that was a NOOP. DAG size: 207 [2020-10-29 11:39:46,521 WARN L193 SmtUtils]: Spent 400.00 ms on a formula simplification that was a NOOP. DAG size: 205 [2020-10-29 11:39:46,950 WARN L193 SmtUtils]: Spent 379.00 ms on a formula simplification that was a NOOP. DAG size: 205 [2020-10-29 11:39:48,802 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-29 11:39:48,802 INFO L93 Difference]: Finished difference Result 1364 states and 1845 transitions. [2020-10-29 11:39:48,803 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2020-10-29 11:39:48,803 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 89 [2020-10-29 11:39:48,803 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-29 11:39:48,811 INFO L225 Difference]: With dead ends: 1364 [2020-10-29 11:39:48,811 INFO L226 Difference]: Without dead ends: 712 [2020-10-29 11:39:48,815 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 43 GetRequests, 30 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 18 ImplicationChecksByTransitivity, 2.0s TimeCoverageRelationStatistics Valid=57, Invalid=153, Unknown=0, NotChecked=0, Total=210 [2020-10-29 11:39:48,817 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 712 states. [2020-10-29 11:39:48,983 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 712 to 640. [2020-10-29 11:39:48,984 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 640 states. [2020-10-29 11:39:48,988 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 640 states to 640 states and 823 transitions. [2020-10-29 11:39:48,989 INFO L78 Accepts]: Start accepts. Automaton has 640 states and 823 transitions. Word has length 89 [2020-10-29 11:39:48,990 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-29 11:39:48,990 INFO L481 AbstractCegarLoop]: Abstraction has 640 states and 823 transitions. [2020-10-29 11:39:48,990 INFO L482 AbstractCegarLoop]: Interpolant automaton has 9 states. [2020-10-29 11:39:48,990 INFO L276 IsEmpty]: Start isEmpty. Operand 640 states and 823 transitions. [2020-10-29 11:39:48,992 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 91 [2020-10-29 11:39:48,992 INFO L414 BasicCegarLoop]: Found error trace [2020-10-29 11:39:48,992 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 11:39:48,992 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2020-10-29 11:39:48,993 INFO L429 AbstractCegarLoop]: === Iteration 7 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argErr1ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argErr0ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argtypeErr0ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argtypeErr1ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-29 11:39:48,993 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-29 11:39:48,993 INFO L82 PathProgramCache]: Analyzing trace with hash 767471238, now seen corresponding path program 1 times [2020-10-29 11:39:48,993 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-29 11:39:48,994 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1400035566] [2020-10-29 11:39:48,994 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-29 11:39:49,022 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 11:39:49,042 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 11:39:49,336 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 11:39:49,337 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 134 [2020-10-29 11:39:49,337 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 11:39:49,337 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 312 [2020-10-29 11:39:49,337 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 11:39:49,337 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 11:39:49,337 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-29 11:39:49,338 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 92 [2020-10-29 11:39:49,338 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 35 [2020-10-29 11:39:49,338 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 11:39:49,739 WARN L193 SmtUtils]: Spent 336.00 ms on a formula simplification that was a NOOP. DAG size: 202 [2020-10-29 11:39:49,740 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-29 11:39:49,746 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 11:39:49,749 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 11:39:49,769 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 11:39:49,769 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-29 11:39:49,769 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 11:39:49,770 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 22 [2020-10-29 11:39:49,770 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 11:39:49,770 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 11:39:49,770 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 11:39:49,770 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 11:39:49,770 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 11:39:49,770 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 11:39:49,782 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-29 11:39:49,783 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 11:39:49,784 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 11:39:49,785 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 11:39:49,785 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-29 11:39:49,785 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 11:39:49,785 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-29 11:39:49,785 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 11:39:49,785 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 11:39:49,785 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 11:39:49,786 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 11:39:49,786 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 11:39:49,786 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 11:39:49,787 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-10-29 11:39:49,787 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 11:39:49,788 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 11:39:49,789 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 11:39:49,789 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-29 11:39:49,789 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 11:39:49,789 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-29 11:39:49,789 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 11:39:49,789 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 11:39:49,789 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 11:39:49,790 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 11:39:49,790 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 11:39:49,790 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 11:39:49,791 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-29 11:39:49,791 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 11:39:49,792 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 11:39:49,793 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 11:39:49,793 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-29 11:39:49,793 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 11:39:49,793 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-29 11:39:49,794 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 11:39:49,794 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 11:39:49,794 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 11:39:49,794 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 11:39:49,794 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 11:39:49,794 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 11:39:49,795 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-10-29 11:39:49,796 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 11:39:49,797 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 11:39:49,797 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 11:39:49,797 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-29 11:39:49,797 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 11:39:49,798 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-29 11:39:49,798 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 11:39:49,798 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 11:39:49,798 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 11:39:49,798 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 11:39:49,798 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 11:39:49,798 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 11:39:49,819 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2020-10-29 11:39:49,820 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 11:39:49,820 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 11:39:49,821 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 11:39:49,822 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-29 11:39:49,822 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 11:39:49,822 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-29 11:39:49,822 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 11:39:49,822 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 11:39:49,822 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 11:39:49,823 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 11:39:49,823 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 11:39:49,823 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 11:39:49,835 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2020-10-29 11:39:49,839 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 11:39:49,841 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 11:39:49,848 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 11:39:49,849 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 40 [2020-10-29 11:39:49,849 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 11:39:49,849 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 9 [2020-10-29 11:39:49,849 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 11:39:49,849 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 11:39:49,850 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 11:39:49,850 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 11:39:49,850 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 30 [2020-10-29 11:39:49,850 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 11:39:49,853 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-29 11:39:49,856 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 11:39:49,857 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 11:39:49,864 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 11:39:49,864 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 33 [2020-10-29 11:39:49,864 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 11:39:49,864 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-10-29 11:39:49,865 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 11:39:49,865 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 11:39:49,865 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 11:39:49,865 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 11:39:49,865 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 25 [2020-10-29 11:39:49,865 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 11:39:49,868 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-29 11:39:49,870 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 11:39:49,870 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 11:39:49,872 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 11:39:49,873 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 18 [2020-10-29 11:39:49,873 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 11:39:49,873 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-29 11:39:49,873 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 11:39:49,873 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 11:39:49,874 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 11:39:49,874 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 11:39:49,874 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 11:39:49,874 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 11:39:49,876 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-29 11:39:49,876 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 11:39:49,877 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 11:39:49,878 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 11:39:49,878 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-29 11:39:49,878 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 11:39:49,879 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-29 11:39:49,879 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 11:39:49,879 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 11:39:49,879 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 11:39:49,879 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 11:39:49,879 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 11:39:49,880 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 11:39:49,881 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2020-10-29 11:39:49,882 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 11:39:49,883 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 11:39:49,884 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 11:39:49,884 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-29 11:39:49,884 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 11:39:49,885 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-29 11:39:49,885 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 11:39:49,885 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 11:39:49,885 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 11:39:49,885 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 11:39:49,885 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-10-29 11:39:49,886 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 11:39:49,888 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2020-10-29 11:39:49,889 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 11:39:49,890 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 11:39:49,891 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 11:39:49,892 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-29 11:39:49,892 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 11:39:49,892 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-29 11:39:49,892 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 11:39:49,892 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 11:39:49,892 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 11:39:49,893 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 11:39:49,893 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-29 11:39:49,893 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 11:39:49,894 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 75 [2020-10-29 11:39:49,895 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 11:39:49,896 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 11:39:49,897 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 11:39:49,897 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-29 11:39:49,897 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 11:39:49,898 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-29 11:39:49,898 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 11:39:49,898 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 11:39:49,898 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 11:39:49,898 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 11:39:49,898 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-29 11:39:49,898 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 11:39:49,899 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 81 [2020-10-29 11:39:49,901 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 11:39:49,902 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 11:39:49,904 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 11:39:49,904 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-29 11:39:49,905 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 11:39:49,905 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-29 11:39:49,905 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 11:39:49,905 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 11:39:49,905 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-29 11:39:49,905 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 11:39:49,905 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-29 11:39:49,906 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 11:39:49,944 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 11:39:49,945 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1400035566] [2020-10-29 11:39:49,945 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-29 11:39:49,945 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2020-10-29 11:39:49,945 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [283636890] [2020-10-29 11:39:49,946 INFO L461 AbstractCegarLoop]: Interpolant automaton has 9 states [2020-10-29 11:39:49,946 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-29 11:39:49,946 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2020-10-29 11:39:49,947 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=55, Unknown=0, NotChecked=0, Total=72 [2020-10-29 11:39:49,947 INFO L87 Difference]: Start difference. First operand 640 states and 823 transitions. Second operand 9 states. [2020-10-29 11:39:51,464 WARN L193 SmtUtils]: Spent 370.00 ms on a formula simplification that was a NOOP. DAG size: 204 [2020-10-29 11:39:52,397 WARN L193 SmtUtils]: Spent 379.00 ms on a formula simplification that was a NOOP. DAG size: 206 [2020-10-29 11:39:52,876 WARN L193 SmtUtils]: Spent 400.00 ms on a formula simplification that was a NOOP. DAG size: 206 [2020-10-29 11:39:53,307 WARN L193 SmtUtils]: Spent 376.00 ms on a formula simplification that was a NOOP. DAG size: 206 [2020-10-29 11:39:54,245 WARN L193 SmtUtils]: Spent 370.00 ms on a formula simplification that was a NOOP. DAG size: 204 [2020-10-29 11:39:55,621 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-29 11:39:55,622 INFO L93 Difference]: Finished difference Result 1311 states and 1709 transitions. [2020-10-29 11:39:55,622 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2020-10-29 11:39:55,623 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 90 [2020-10-29 11:39:55,623 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-29 11:39:55,630 INFO L225 Difference]: With dead ends: 1311 [2020-10-29 11:39:55,630 INFO L226 Difference]: Without dead ends: 695 [2020-10-29 11:39:55,634 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 48 GetRequests, 32 SyntacticMatches, 0 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 26 ImplicationChecksByTransitivity, 2.4s TimeCoverageRelationStatistics Valid=92, Invalid=214, Unknown=0, NotChecked=0, Total=306 [2020-10-29 11:39:55,636 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 695 states. [2020-10-29 11:39:55,790 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 695 to 627. [2020-10-29 11:39:55,790 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 627 states. [2020-10-29 11:39:55,794 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 627 states to 627 states and 770 transitions. [2020-10-29 11:39:55,795 INFO L78 Accepts]: Start accepts. Automaton has 627 states and 770 transitions. Word has length 90 [2020-10-29 11:39:55,795 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-29 11:39:55,795 INFO L481 AbstractCegarLoop]: Abstraction has 627 states and 770 transitions. [2020-10-29 11:39:55,795 INFO L482 AbstractCegarLoop]: Interpolant automaton has 9 states. [2020-10-29 11:39:55,795 INFO L276 IsEmpty]: Start isEmpty. Operand 627 states and 770 transitions. [2020-10-29 11:39:55,798 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 136 [2020-10-29 11:39:55,798 INFO L414 BasicCegarLoop]: Found error trace [2020-10-29 11:39:55,799 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 11:39:55,799 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2020-10-29 11:39:55,799 INFO L429 AbstractCegarLoop]: === Iteration 8 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argErr1ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argErr0ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argtypeErr0ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argtypeErr1ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-29 11:39:55,800 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-29 11:39:55,800 INFO L82 PathProgramCache]: Analyzing trace with hash 1967984742, now seen corresponding path program 1 times [2020-10-29 11:39:55,800 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-29 11:39:55,800 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1302829010] [2020-10-29 11:39:55,800 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-29 11:39:55,826 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 11:39:55,845 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 11:39:55,881 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 11:39:56,014 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 11:39:57,827 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 11:40:00,837 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 11:40:00,838 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 193 [2020-10-29 11:40:00,838 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 4 [2020-10-29 11:40:00,838 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5009 [2020-10-29 11:40:00,838 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 11:40:00,838 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 11:40:00,838 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 8 [2020-10-29 11:40:00,839 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 100 [2020-10-29 11:40:00,839 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 70 [2020-10-29 11:40:00,839 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 11:40:01,283 WARN L193 SmtUtils]: Spent 338.00 ms on a formula simplification that was a NOOP. DAG size: 202 [2020-10-29 11:40:01,284 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-29 11:40:01,292 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 11:40:01,306 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 11:40:01,341 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 11:40:01,342 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-29 11:40:01,342 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 11:40:01,342 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 48 [2020-10-29 11:40:01,342 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 11:40:01,342 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 11:40:01,342 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 11:40:01,342 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 11:40:01,342 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 11:40:01,343 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 11:40:01,355 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-29 11:40:01,355 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 11:40:01,356 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 11:40:01,357 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 11:40:01,357 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-29 11:40:01,357 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 11:40:01,357 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-29 11:40:01,357 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 11:40:01,357 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 11:40:01,357 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 11:40:01,358 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 11:40:01,358 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 11:40:01,358 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 11:40:01,359 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-10-29 11:40:01,359 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 11:40:01,360 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 11:40:01,360 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 11:40:01,360 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-29 11:40:01,360 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 11:40:01,361 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-29 11:40:01,361 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 11:40:01,361 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 11:40:01,361 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 11:40:01,361 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 11:40:01,361 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 11:40:01,361 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 11:40:01,362 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-29 11:40:01,362 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 11:40:01,363 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 11:40:01,363 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 11:40:01,364 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-29 11:40:01,364 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 11:40:01,364 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-29 11:40:01,364 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 11:40:01,364 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 11:40:01,364 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 11:40:01,364 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 11:40:01,365 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 11:40:01,365 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 11:40:01,365 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-10-29 11:40:01,366 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 11:40:01,366 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 11:40:01,369 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 11:40:01,369 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-29 11:40:01,369 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 11:40:01,369 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-29 11:40:01,369 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 11:40:01,369 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 11:40:01,370 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 11:40:01,370 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 11:40:01,370 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 11:40:01,370 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 11:40:01,384 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2020-10-29 11:40:01,387 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 11:40:01,390 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 11:40:01,396 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 11:40:01,497 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 11:40:01,497 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 61 [2020-10-29 11:40:01,497 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-29 11:40:01,497 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 108 [2020-10-29 11:40:01,497 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 11:40:01,498 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 11:40:01,498 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-29 11:40:01,498 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 11:40:01,498 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 53 [2020-10-29 11:40:01,498 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 11:40:01,512 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-29 11:40:01,514 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 11:40:01,515 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 11:40:01,516 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 11:40:01,532 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 11:40:01,533 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 40 [2020-10-29 11:40:01,533 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-29 11:40:01,533 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 18 [2020-10-29 11:40:01,533 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 11:40:01,533 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 11:40:01,533 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-29 11:40:01,534 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 21 [2020-10-29 11:40:01,534 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-29 11:40:01,534 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 11:40:01,537 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-29 11:40:01,539 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 11:40:01,541 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 11:40:01,554 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 11:40:01,554 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 33 [2020-10-29 11:40:01,554 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 11:40:01,554 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 13 [2020-10-29 11:40:01,554 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 11:40:01,555 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 11:40:01,555 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-29 11:40:01,555 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 16 [2020-10-29 11:40:01,555 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-29 11:40:01,555 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 11:40:01,598 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-29 11:40:01,600 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 11:40:01,601 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 11:40:01,611 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 11:40:01,612 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 18 [2020-10-29 11:40:01,612 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 11:40:01,612 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 11 [2020-10-29 11:40:01,612 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 11:40:01,612 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 11:40:01,612 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-29 11:40:01,613 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 11:40:01,613 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 14 [2020-10-29 11:40:01,613 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 11:40:01,655 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-29 11:40:01,656 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 11:40:01,656 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 11:40:01,657 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 11:40:01,657 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-29 11:40:01,657 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 11:40:01,657 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-29 11:40:01,658 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 11:40:01,658 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 11:40:01,658 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 11:40:01,658 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 11:40:01,658 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 11:40:01,658 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 11:40:01,660 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2020-10-29 11:40:01,660 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 11:40:01,661 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 11:40:01,662 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 11:40:01,662 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-29 11:40:01,662 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 11:40:01,662 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-29 11:40:01,662 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 11:40:01,662 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 11:40:01,663 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 11:40:01,663 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-29 11:40:01,663 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 11:40:01,663 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 11:40:01,665 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 30 [2020-10-29 11:40:01,667 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 11:40:01,668 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 11:40:01,675 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 11:40:01,675 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 16 [2020-10-29 11:40:01,675 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 11:40:01,675 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-10-29 11:40:01,675 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 11:40:01,675 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 11:40:01,676 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-29 11:40:01,676 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 11:40:01,676 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 10 [2020-10-29 11:40:01,676 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 11:40:01,741 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-29 11:40:01,743 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 11:40:01,746 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 11:40:01,752 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 11:40:01,753 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-29 11:40:01,753 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 11:40:01,753 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-10-29 11:40:01,753 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 11:40:01,753 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 11:40:01,753 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-10-29 11:40:01,753 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 11:40:01,754 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-10-29 11:40:01,754 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 11:40:01,808 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 85 [2020-10-29 11:40:01,810 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 11:40:01,810 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 11:40:01,812 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 11:40:01,812 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-29 11:40:01,812 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 11:40:01,812 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-29 11:40:01,812 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 11:40:01,812 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 11:40:01,812 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 11:40:01,812 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 11:40:01,813 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-29 11:40:01,813 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 11:40:01,814 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2020-10-29 11:40:01,816 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 11:40:01,818 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 11:40:01,829 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 11:40:01,845 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 11:40:01,845 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 32 [2020-10-29 11:40:01,846 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-29 11:40:01,846 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 28 [2020-10-29 11:40:01,846 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 11:40:01,846 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 11:40:01,846 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 11:40:01,846 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 11:40:01,846 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 29 [2020-10-29 11:40:01,847 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 11:40:01,849 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-29 11:40:01,851 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 11:40:01,851 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 11:40:01,854 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 11:40:01,854 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 17 [2020-10-29 11:40:01,854 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 11:40:01,854 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-29 11:40:01,855 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 11:40:01,855 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 11:40:01,855 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 11:40:01,855 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 11:40:01,855 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 11:40:01,855 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 11:40:01,857 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-29 11:40:01,858 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 11:40:01,859 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 11:40:01,860 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 11:40:01,860 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-29 11:40:01,860 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 11:40:01,860 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-29 11:40:01,860 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 11:40:01,860 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 11:40:01,861 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 11:40:01,861 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 11:40:01,861 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 11:40:01,861 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 11:40:01,862 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2020-10-29 11:40:01,864 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 11:40:01,864 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 11:40:01,866 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 11:40:01,866 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-29 11:40:01,866 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 11:40:01,866 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-29 11:40:01,866 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 11:40:01,866 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 11:40:01,866 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 11:40:01,867 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 11:40:01,867 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 11:40:01,867 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 11:40:01,868 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 114 [2020-10-29 11:40:01,870 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 11:40:01,871 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 11:40:01,875 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 11:40:01,875 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-29 11:40:01,875 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 11:40:01,875 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-29 11:40:01,875 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 11:40:01,875 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 11:40:01,876 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-29 11:40:01,876 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 11:40:01,876 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-29 11:40:01,876 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 11:40:01,878 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 120 [2020-10-29 11:40:01,879 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 11:40:01,880 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 11:40:01,881 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 11:40:01,881 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-29 11:40:01,881 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 11:40:01,881 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-29 11:40:01,881 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 11:40:01,882 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 11:40:01,882 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 11:40:01,882 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-29 11:40:01,882 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 11:40:01,882 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 11:40:01,883 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 126 [2020-10-29 11:40:01,884 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 11:40:01,885 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 11:40:01,885 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 11:40:01,886 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-29 11:40:01,886 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 11:40:01,886 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-29 11:40:01,886 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 11:40:01,886 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 11:40:01,886 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 11:40:01,886 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-29 11:40:01,886 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 11:40:01,887 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 11:40:01,925 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 14 proven. 5 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2020-10-29 11:40:01,925 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1302829010] [2020-10-29 11:40:01,925 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-29 11:40:01,925 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [16] total 16 [2020-10-29 11:40:01,926 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [978601793] [2020-10-29 11:40:01,926 INFO L461 AbstractCegarLoop]: Interpolant automaton has 16 states [2020-10-29 11:40:01,930 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-29 11:40:01,930 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 16 interpolants. [2020-10-29 11:40:01,931 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=34, Invalid=206, Unknown=0, NotChecked=0, Total=240 [2020-10-29 11:40:01,931 INFO L87 Difference]: Start difference. First operand 627 states and 770 transitions. Second operand 16 states. [2020-10-29 11:40:03,291 WARN L193 SmtUtils]: Spent 350.00 ms on a formula simplification that was a NOOP. DAG size: 208 [2020-10-29 11:40:03,936 WARN L193 SmtUtils]: Spent 362.00 ms on a formula simplification that was a NOOP. DAG size: 206 [2020-10-29 11:40:04,356 WARN L193 SmtUtils]: Spent 364.00 ms on a formula simplification that was a NOOP. DAG size: 209 [2020-10-29 11:40:04,782 WARN L193 SmtUtils]: Spent 338.00 ms on a formula simplification that was a NOOP. DAG size: 205 [2020-10-29 11:40:05,208 WARN L193 SmtUtils]: Spent 347.00 ms on a formula simplification that was a NOOP. DAG size: 208 [2020-10-29 11:40:05,753 WARN L193 SmtUtils]: Spent 368.00 ms on a formula simplification that was a NOOP. DAG size: 211 [2020-10-29 11:40:06,234 WARN L193 SmtUtils]: Spent 385.00 ms on a formula simplification that was a NOOP. DAG size: 214 [2020-10-29 11:40:06,741 WARN L193 SmtUtils]: Spent 367.00 ms on a formula simplification that was a NOOP. DAG size: 210 [2020-10-29 11:40:07,234 WARN L193 SmtUtils]: Spent 400.00 ms on a formula simplification that was a NOOP. DAG size: 212 [2020-10-29 11:40:07,846 WARN L193 SmtUtils]: Spent 362.00 ms on a formula simplification that was a NOOP. DAG size: 204 [2020-10-29 11:40:08,342 WARN L193 SmtUtils]: Spent 347.00 ms on a formula simplification that was a NOOP. DAG size: 205 [2020-10-29 11:40:08,792 WARN L193 SmtUtils]: Spent 380.00 ms on a formula simplification that was a NOOP. DAG size: 212 [2020-10-29 11:40:09,640 WARN L193 SmtUtils]: Spent 765.00 ms on a formula simplification. DAG size of input: 219 DAG size of output: 215 [2020-10-29 11:40:10,201 WARN L193 SmtUtils]: Spent 362.00 ms on a formula simplification that was a NOOP. DAG size: 210 [2020-10-29 11:40:11,104 WARN L193 SmtUtils]: Spent 744.00 ms on a formula simplification. DAG size of input: 215 DAG size of output: 211 [2020-10-29 11:40:14,095 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-29 11:40:14,096 INFO L93 Difference]: Finished difference Result 1861 states and 2587 transitions. [2020-10-29 11:40:14,096 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2020-10-29 11:40:14,096 INFO L78 Accepts]: Start accepts. Automaton has 16 states. Word has length 135 [2020-10-29 11:40:14,097 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-29 11:40:14,105 INFO L225 Difference]: With dead ends: 1861 [2020-10-29 11:40:14,105 INFO L226 Difference]: Without dead ends: 1156 [2020-10-29 11:40:14,111 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 79 GetRequests, 47 SyntacticMatches, 0 SemanticMatches, 32 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 148 ImplicationChecksByTransitivity, 7.3s TimeCoverageRelationStatistics Valid=207, Invalid=915, Unknown=0, NotChecked=0, Total=1122 [2020-10-29 11:40:14,113 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1156 states. [2020-10-29 11:40:14,351 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1156 to 1079. [2020-10-29 11:40:14,352 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1079 states. [2020-10-29 11:40:14,356 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1079 states to 1079 states and 1332 transitions. [2020-10-29 11:40:14,357 INFO L78 Accepts]: Start accepts. Automaton has 1079 states and 1332 transitions. Word has length 135 [2020-10-29 11:40:14,357 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-29 11:40:14,357 INFO L481 AbstractCegarLoop]: Abstraction has 1079 states and 1332 transitions. [2020-10-29 11:40:14,357 INFO L482 AbstractCegarLoop]: Interpolant automaton has 16 states. [2020-10-29 11:40:14,357 INFO L276 IsEmpty]: Start isEmpty. Operand 1079 states and 1332 transitions. [2020-10-29 11:40:14,360 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 134 [2020-10-29 11:40:14,360 INFO L414 BasicCegarLoop]: Found error trace [2020-10-29 11:40:14,360 INFO L422 BasicCegarLoop]: trace histogram [2, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 11:40:14,361 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2020-10-29 11:40:14,361 INFO L429 AbstractCegarLoop]: === Iteration 9 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argErr1ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argErr0ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argtypeErr0ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argtypeErr1ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-29 11:40:14,361 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-29 11:40:14,361 INFO L82 PathProgramCache]: Analyzing trace with hash -1522425398, now seen corresponding path program 1 times [2020-10-29 11:40:14,362 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-29 11:40:14,362 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [57871316] [2020-10-29 11:40:14,362 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-29 11:40:14,383 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 11:40:14,398 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 11:40:14,425 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 11:40:14,504 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 11:40:16,452 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 11:40:16,637 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 11:40:17,476 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 11:40:19,390 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 11:40:19,390 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 195 [2020-10-29 11:40:19,390 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 6 [2020-10-29 11:40:19,390 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5004 [2020-10-29 11:40:19,390 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 11:40:19,391 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 11:40:19,391 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 20 [2020-10-29 11:40:19,391 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-29 11:40:19,391 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 175 [2020-10-29 11:40:19,391 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 11:40:19,870 WARN L193 SmtUtils]: Spent 382.00 ms on a formula simplification that was a NOOP. DAG size: 202 [2020-10-29 11:40:19,871 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-29 11:40:19,891 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 11:40:19,902 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 11:40:19,980 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 11:40:19,981 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-29 11:40:19,981 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 11:40:19,981 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 88 [2020-10-29 11:40:19,981 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 11:40:19,981 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 11:40:19,982 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 11:40:19,982 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 11:40:19,982 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-10-29 11:40:19,982 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-29 11:40:20,004 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-29 11:40:20,005 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 11:40:20,006 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 11:40:20,007 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 11:40:20,008 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-29 11:40:20,008 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 11:40:20,008 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-29 11:40:20,008 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 11:40:20,008 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 11:40:20,008 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 11:40:20,009 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 11:40:20,009 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-10-29 11:40:20,009 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 11:40:20,010 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-10-29 11:40:20,010 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 11:40:20,011 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 11:40:20,012 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 11:40:20,012 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-29 11:40:20,012 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 11:40:20,012 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-29 11:40:20,013 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 11:40:20,013 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 11:40:20,013 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 11:40:20,013 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 11:40:20,013 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-10-29 11:40:20,013 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 11:40:20,014 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-29 11:40:20,015 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 11:40:20,016 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 11:40:20,017 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 11:40:20,017 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-29 11:40:20,017 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 11:40:20,017 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-29 11:40:20,017 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 11:40:20,018 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 11:40:20,018 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 11:40:20,018 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 11:40:20,018 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-29 11:40:20,018 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 11:40:20,019 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-10-29 11:40:20,020 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 11:40:20,020 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 11:40:20,021 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 11:40:20,021 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-29 11:40:20,022 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 11:40:20,022 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-29 11:40:20,022 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 11:40:20,022 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 11:40:20,022 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 11:40:20,022 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 11:40:20,022 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-10-29 11:40:20,022 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 11:40:20,039 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2020-10-29 11:40:20,042 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 11:40:20,045 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 11:40:20,060 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 11:40:20,111 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 11:40:20,111 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 69 [2020-10-29 11:40:20,112 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-29 11:40:20,112 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 68 [2020-10-29 11:40:20,112 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 11:40:20,112 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 11:40:20,112 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-29 11:40:20,112 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-29 11:40:20,112 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 69 [2020-10-29 11:40:20,113 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 11:40:20,151 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-29 11:40:20,154 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 11:40:20,156 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 11:40:20,164 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 11:40:20,174 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 11:40:20,174 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 40 [2020-10-29 11:40:20,175 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-29 11:40:20,175 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 19 [2020-10-29 11:40:20,175 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 11:40:20,175 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 11:40:20,175 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 11:40:20,175 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 11:40:20,175 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 37 [2020-10-29 11:40:20,175 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 11:40:20,178 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-29 11:40:20,179 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 11:40:20,180 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 11:40:20,181 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 11:40:20,195 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 11:40:20,195 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 33 [2020-10-29 11:40:20,195 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-29 11:40:20,195 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 15 [2020-10-29 11:40:20,196 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 11:40:20,196 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 11:40:20,196 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-29 11:40:20,196 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 12 [2020-10-29 11:40:20,196 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-29 11:40:20,196 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 11:40:20,199 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-29 11:40:20,200 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 11:40:20,201 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 11:40:20,207 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 11:40:20,207 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 18 [2020-10-29 11:40:20,208 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 11:40:20,208 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-29 11:40:20,208 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 11:40:20,208 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 11:40:20,208 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-29 11:40:20,208 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 7 [2020-10-29 11:40:20,208 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-29 11:40:20,209 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 11:40:20,242 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-29 11:40:20,243 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 11:40:20,244 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 11:40:20,246 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 11:40:20,246 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-29 11:40:20,246 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 11:40:20,246 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-29 11:40:20,246 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 11:40:20,247 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 11:40:20,247 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-10-29 11:40:20,247 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 11:40:20,247 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-29 11:40:20,247 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 11:40:20,267 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2020-10-29 11:40:20,268 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 11:40:20,269 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 11:40:20,269 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 11:40:20,270 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-29 11:40:20,270 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 11:40:20,270 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-29 11:40:20,270 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 11:40:20,270 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 11:40:20,271 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 11:40:20,271 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-29 11:40:20,271 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 11:40:20,271 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 11:40:20,273 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 30 [2020-10-29 11:40:20,275 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 11:40:20,276 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 11:40:20,280 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 11:40:20,280 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 24 [2020-10-29 11:40:20,281 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 11:40:20,281 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-29 11:40:20,281 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 11:40:20,281 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 11:40:20,281 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 11:40:20,281 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 11:40:20,281 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 21 [2020-10-29 11:40:20,282 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 11:40:20,283 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-29 11:40:20,284 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 11:40:20,285 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 11:40:20,285 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 11:40:20,285 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-29 11:40:20,285 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 11:40:20,286 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-29 11:40:20,286 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 11:40:20,286 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 11:40:20,286 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 11:40:20,286 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 11:40:20,286 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 11:40:20,286 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 11:40:20,287 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2020-10-29 11:40:20,288 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 11:40:20,288 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 11:40:20,289 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 11:40:20,289 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-29 11:40:20,289 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 11:40:20,289 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-29 11:40:20,289 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 11:40:20,290 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 11:40:20,290 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 11:40:20,290 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 11:40:20,290 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 11:40:20,290 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 11:40:20,307 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2020-10-29 11:40:20,308 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 11:40:20,309 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 11:40:20,312 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 11:40:20,313 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-29 11:40:20,313 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 11:40:20,313 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-29 11:40:20,313 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 11:40:20,313 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 11:40:20,313 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-29 11:40:20,313 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-29 11:40:20,313 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-10-29 11:40:20,314 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 11:40:20,337 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 88 [2020-10-29 11:40:20,340 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 11:40:20,341 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 11:40:20,346 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 11:40:20,376 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 11:40:20,403 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 11:40:20,404 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 32 [2020-10-29 11:40:20,404 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-10-29 11:40:20,404 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 63 [2020-10-29 11:40:20,404 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 11:40:20,404 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 11:40:20,405 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 11:40:20,405 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 11:40:20,405 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 29 [2020-10-29 11:40:20,405 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 11:40:20,407 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-29 11:40:20,408 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 11:40:20,409 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 11:40:20,411 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 11:40:20,411 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 17 [2020-10-29 11:40:20,411 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 11:40:20,412 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-29 11:40:20,412 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 11:40:20,412 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 11:40:20,412 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 11:40:20,412 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 11:40:20,412 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 11:40:20,412 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 11:40:20,414 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-29 11:40:20,415 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 11:40:20,415 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 11:40:20,416 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 11:40:20,416 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-29 11:40:20,416 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 11:40:20,416 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-29 11:40:20,417 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 11:40:20,417 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 11:40:20,417 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 11:40:20,417 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 11:40:20,417 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 11:40:20,417 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 11:40:20,418 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2020-10-29 11:40:20,419 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 11:40:20,420 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 11:40:20,420 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 11:40:20,420 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-29 11:40:20,420 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 11:40:20,421 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-29 11:40:20,421 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 11:40:20,421 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 11:40:20,421 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 11:40:20,421 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 11:40:20,421 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 11:40:20,421 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 11:40:20,423 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 112 [2020-10-29 11:40:20,424 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 11:40:20,424 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 11:40:20,425 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 11:40:20,426 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-29 11:40:20,426 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 11:40:20,426 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-29 11:40:20,426 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 11:40:20,426 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 11:40:20,426 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 11:40:20,426 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 11:40:20,427 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-29 11:40:20,427 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 11:40:20,428 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 118 [2020-10-29 11:40:20,429 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 11:40:20,430 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 11:40:20,432 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 11:40:20,433 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-29 11:40:20,433 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 11:40:20,433 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-29 11:40:20,433 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 11:40:20,433 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 11:40:20,433 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-29 11:40:20,433 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 11:40:20,434 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-29 11:40:20,434 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 11:40:20,455 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2020-10-29 11:40:20,457 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 11:40:20,458 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 11:40:20,458 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 11:40:20,459 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-29 11:40:20,459 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 11:40:20,459 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-29 11:40:20,459 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 11:40:20,459 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 11:40:20,459 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 11:40:20,460 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-29 11:40:20,460 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 11:40:20,460 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 11:40:20,492 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 9 proven. 4 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2020-10-29 11:40:20,492 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [57871316] [2020-10-29 11:40:20,493 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-29 11:40:20,493 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [15] total 15 [2020-10-29 11:40:20,493 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1566102417] [2020-10-29 11:40:20,493 INFO L461 AbstractCegarLoop]: Interpolant automaton has 15 states [2020-10-29 11:40:20,494 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-29 11:40:20,494 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2020-10-29 11:40:20,494 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=32, Invalid=178, Unknown=0, NotChecked=0, Total=210 [2020-10-29 11:40:20,495 INFO L87 Difference]: Start difference. First operand 1079 states and 1332 transitions. Second operand 15 states. [2020-10-29 11:40:21,129 WARN L193 SmtUtils]: Spent 338.00 ms on a formula simplification that was a NOOP. DAG size: 204 [2020-10-29 11:40:22,267 WARN L193 SmtUtils]: Spent 346.00 ms on a formula simplification that was a NOOP. DAG size: 206 [2020-10-29 11:40:22,696 WARN L193 SmtUtils]: Spent 363.00 ms on a formula simplification that was a NOOP. DAG size: 206 [2020-10-29 11:40:23,100 WARN L193 SmtUtils]: Spent 365.00 ms on a formula simplification that was a NOOP. DAG size: 208 [2020-10-29 11:40:24,057 WARN L193 SmtUtils]: Spent 373.00 ms on a formula simplification that was a NOOP. DAG size: 206 [2020-10-29 11:40:24,549 WARN L193 SmtUtils]: Spent 378.00 ms on a formula simplification that was a NOOP. DAG size: 208 [2020-10-29 11:40:24,981 WARN L193 SmtUtils]: Spent 394.00 ms on a formula simplification that was a NOOP. DAG size: 208 [2020-10-29 11:40:25,486 WARN L193 SmtUtils]: Spent 359.00 ms on a formula simplification that was a NOOP. DAG size: 204 [2020-10-29 11:40:25,945 WARN L193 SmtUtils]: Spent 343.00 ms on a formula simplification that was a NOOP. DAG size: 206 [2020-10-29 11:40:27,119 WARN L193 SmtUtils]: Spent 306.00 ms on a formula simplification that was a NOOP. DAG size: 204 [2020-10-29 11:40:27,565 WARN L193 SmtUtils]: Spent 358.00 ms on a formula simplification that was a NOOP. DAG size: 205 [2020-10-29 11:40:27,988 WARN L193 SmtUtils]: Spent 351.00 ms on a formula simplification that was a NOOP. DAG size: 205 [2020-10-29 11:40:28,367 WARN L193 SmtUtils]: Spent 346.00 ms on a formula simplification that was a NOOP. DAG size: 206 [2020-10-29 11:40:29,449 WARN L193 SmtUtils]: Spent 365.00 ms on a formula simplification that was a NOOP. DAG size: 206 [2020-10-29 11:40:29,923 WARN L193 SmtUtils]: Spent 377.00 ms on a formula simplification that was a NOOP. DAG size: 208 [2020-10-29 11:40:30,393 WARN L193 SmtUtils]: Spent 397.00 ms on a formula simplification that was a NOOP. DAG size: 208 [2020-10-29 11:40:31,226 WARN L193 SmtUtils]: Spent 380.00 ms on a formula simplification that was a NOOP. DAG size: 207 [2020-10-29 11:40:31,670 WARN L193 SmtUtils]: Spent 380.00 ms on a formula simplification that was a NOOP. DAG size: 207 [2020-10-29 11:40:32,083 WARN L193 SmtUtils]: Spent 380.00 ms on a formula simplification that was a NOOP. DAG size: 207 [2020-10-29 11:40:32,889 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-29 11:40:32,889 INFO L93 Difference]: Finished difference Result 2017 states and 2588 transitions. [2020-10-29 11:40:32,890 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 34 states. [2020-10-29 11:40:32,890 INFO L78 Accepts]: Start accepts. Automaton has 15 states. Word has length 133 [2020-10-29 11:40:32,890 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-29 11:40:32,898 INFO L225 Difference]: With dead ends: 2017 [2020-10-29 11:40:32,898 INFO L226 Difference]: Without dead ends: 1046 [2020-10-29 11:40:32,932 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 88 GetRequests, 49 SyntacticMatches, 1 SemanticMatches, 38 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 298 ImplicationChecksByTransitivity, 8.0s TimeCoverageRelationStatistics Valid=252, Invalid=1308, Unknown=0, NotChecked=0, Total=1560 [2020-10-29 11:40:32,934 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1046 states. [2020-10-29 11:40:33,151 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1046 to 982. [2020-10-29 11:40:33,152 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 982 states. [2020-10-29 11:40:33,156 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 982 states to 982 states and 1168 transitions. [2020-10-29 11:40:33,157 INFO L78 Accepts]: Start accepts. Automaton has 982 states and 1168 transitions. Word has length 133 [2020-10-29 11:40:33,157 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-29 11:40:33,157 INFO L481 AbstractCegarLoop]: Abstraction has 982 states and 1168 transitions. [2020-10-29 11:40:33,157 INFO L482 AbstractCegarLoop]: Interpolant automaton has 15 states. [2020-10-29 11:40:33,157 INFO L276 IsEmpty]: Start isEmpty. Operand 982 states and 1168 transitions. [2020-10-29 11:40:33,160 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 142 [2020-10-29 11:40:33,160 INFO L414 BasicCegarLoop]: Found error trace [2020-10-29 11:40:33,161 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 11:40:33,161 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2020-10-29 11:40:33,161 INFO L429 AbstractCegarLoop]: === Iteration 10 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argErr1ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argErr0ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argtypeErr0ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argtypeErr1ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-29 11:40:33,161 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-29 11:40:33,162 INFO L82 PathProgramCache]: Analyzing trace with hash 388670074, now seen corresponding path program 1 times [2020-10-29 11:40:33,162 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-29 11:40:33,162 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1855754570] [2020-10-29 11:40:33,162 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-29 11:40:33,187 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 11:40:33,205 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 11:40:33,239 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 11:40:33,289 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 11:40:33,351 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 11:40:33,570 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 11:40:34,781 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 11:40:38,193 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 11:40:38,193 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 205 [2020-10-29 11:40:38,193 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 6 [2020-10-29 11:40:38,193 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5003 [2020-10-29 11:40:38,193 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 11:40:38,194 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 11:40:38,194 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 16 [2020-10-29 11:40:38,194 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-29 11:40:38,194 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 114 [2020-10-29 11:40:38,194 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 11:40:38,530 WARN L193 SmtUtils]: Spent 285.00 ms on a formula simplification that was a NOOP. DAG size: 202 [2020-10-29 11:40:38,531 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-29 11:40:38,544 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 11:40:38,554 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 11:40:38,608 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 11:40:38,608 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-29 11:40:38,608 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 11:40:38,609 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 63 [2020-10-29 11:40:38,609 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 11:40:38,609 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 11:40:38,609 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 11:40:38,609 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 11:40:38,609 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-10-29 11:40:38,610 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 11:40:38,624 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-29 11:40:38,625 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 11:40:38,626 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 11:40:38,627 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 11:40:38,627 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-29 11:40:38,627 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 11:40:38,627 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-29 11:40:38,627 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 11:40:38,627 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 11:40:38,627 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 11:40:38,628 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 11:40:38,628 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-10-29 11:40:38,628 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 11:40:38,629 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-10-29 11:40:38,629 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 11:40:38,630 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 11:40:38,631 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 11:40:38,631 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-29 11:40:38,631 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 11:40:38,631 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-29 11:40:38,631 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 11:40:38,632 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 11:40:38,632 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 11:40:38,632 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 11:40:38,632 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-10-29 11:40:38,632 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 11:40:38,633 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-29 11:40:38,634 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 11:40:38,635 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 11:40:38,636 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 11:40:38,637 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-29 11:40:38,637 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 11:40:38,637 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-29 11:40:38,637 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 11:40:38,637 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 11:40:38,637 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 11:40:38,638 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 11:40:38,638 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-29 11:40:38,638 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 11:40:38,639 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-10-29 11:40:38,640 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 11:40:38,640 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 11:40:38,641 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 11:40:38,641 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-29 11:40:38,641 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 11:40:38,641 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-29 11:40:38,642 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 11:40:38,642 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 11:40:38,642 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 11:40:38,642 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 11:40:38,642 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-10-29 11:40:38,642 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 11:40:38,652 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2020-10-29 11:40:38,653 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 11:40:38,655 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 11:40:38,660 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 11:40:38,661 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-29 11:40:38,661 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 11:40:38,661 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-29 11:40:38,661 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 11:40:38,661 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 11:40:38,661 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-29 11:40:38,662 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-29 11:40:38,662 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-10-29 11:40:38,662 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 11:40:38,710 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2020-10-29 11:40:38,715 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 11:40:38,718 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 11:40:38,756 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 11:40:38,756 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 69 [2020-10-29 11:40:38,756 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 11:40:38,756 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 40 [2020-10-29 11:40:38,757 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 11:40:38,757 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 11:40:38,757 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 7 [2020-10-29 11:40:38,757 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-29 11:40:38,757 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 69 [2020-10-29 11:40:38,757 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 11:40:38,810 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-29 11:40:38,813 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 11:40:38,815 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 11:40:38,828 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 11:40:38,828 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 40 [2020-10-29 11:40:38,828 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 11:40:38,828 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 14 [2020-10-29 11:40:38,828 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 11:40:38,829 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 11:40:38,829 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 11:40:38,829 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 11:40:38,829 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 37 [2020-10-29 11:40:38,829 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 11:40:38,832 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-29 11:40:38,843 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 11:40:38,850 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 11:40:38,855 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 11:40:38,856 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 33 [2020-10-29 11:40:38,856 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 11:40:38,856 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-29 11:40:38,856 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 11:40:38,856 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 11:40:38,856 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 11:40:38,857 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 11:40:38,857 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 11:40:38,857 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 11:40:38,859 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-29 11:40:38,861 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 11:40:38,861 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 11:40:38,863 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 11:40:38,863 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 18 [2020-10-29 11:40:38,863 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 11:40:38,863 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-29 11:40:38,864 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 11:40:38,864 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 11:40:38,864 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 11:40:38,864 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 11:40:38,864 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 11:40:38,865 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-29 11:40:38,867 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-29 11:40:38,868 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 11:40:38,868 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 11:40:38,869 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 11:40:38,869 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-29 11:40:38,870 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 11:40:38,870 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-29 11:40:38,870 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 11:40:38,870 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 11:40:38,870 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 11:40:38,870 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 11:40:38,870 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 11:40:38,871 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 11:40:38,872 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2020-10-29 11:40:38,873 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 11:40:38,873 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 11:40:38,874 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 11:40:38,874 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-29 11:40:38,874 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 11:40:38,874 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-29 11:40:38,874 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 11:40:38,875 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 11:40:38,875 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 11:40:38,875 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 11:40:38,875 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 11:40:38,875 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 11:40:38,877 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 30 [2020-10-29 11:40:38,879 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 11:40:38,880 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 11:40:38,891 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 11:40:38,891 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 24 [2020-10-29 11:40:38,891 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 11:40:38,891 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 11 [2020-10-29 11:40:38,891 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 11:40:38,892 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 11:40:38,892 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-10-29 11:40:38,892 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 11:40:38,892 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 21 [2020-10-29 11:40:38,892 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 11:40:38,975 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-29 11:40:38,976 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 11:40:38,977 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 11:40:38,978 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 11:40:38,978 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-29 11:40:38,978 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 11:40:38,978 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-29 11:40:38,978 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 11:40:38,979 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 11:40:38,979 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 11:40:38,979 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 11:40:38,979 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 11:40:38,979 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 11:40:38,980 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2020-10-29 11:40:38,981 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 11:40:38,982 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 11:40:38,985 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 11:40:38,985 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-29 11:40:38,985 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 11:40:38,985 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-29 11:40:38,986 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 11:40:38,986 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 11:40:38,986 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-10-29 11:40:38,986 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 11:40:38,986 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-10-29 11:40:38,986 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 11:40:39,014 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2020-10-29 11:40:39,015 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 11:40:39,016 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 11:40:39,019 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 11:40:39,019 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-29 11:40:39,019 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 11:40:39,019 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-29 11:40:39,019 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 11:40:39,019 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 11:40:39,020 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 11:40:39,020 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-29 11:40:39,020 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 11:40:39,020 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 11:40:39,021 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 96 [2020-10-29 11:40:39,024 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 11:40:39,025 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 11:40:39,027 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 11:40:39,043 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 11:40:39,044 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 32 [2020-10-29 11:40:39,044 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-29 11:40:39,044 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 19 [2020-10-29 11:40:39,044 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 11:40:39,044 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 11:40:39,044 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-29 11:40:39,044 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 15 [2020-10-29 11:40:39,045 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-29 11:40:39,045 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 11:40:39,103 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-29 11:40:39,105 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 11:40:39,106 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 11:40:39,114 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 11:40:39,114 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 17 [2020-10-29 11:40:39,114 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 11:40:39,114 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 8 [2020-10-29 11:40:39,114 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 11:40:39,115 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 11:40:39,115 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-29 11:40:39,115 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 11:40:39,116 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 13 [2020-10-29 11:40:39,116 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-29 11:40:39,160 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-29 11:40:39,161 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 11:40:39,161 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 11:40:39,162 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 11:40:39,163 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-29 11:40:39,163 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 11:40:39,163 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-29 11:40:39,163 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 11:40:39,163 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 11:40:39,163 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 11:40:39,164 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 11:40:39,164 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 11:40:39,164 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 11:40:39,165 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2020-10-29 11:40:39,166 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 11:40:39,167 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 11:40:39,167 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 11:40:39,167 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-29 11:40:39,167 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 11:40:39,168 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-29 11:40:39,168 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 11:40:39,168 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 11:40:39,168 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 11:40:39,168 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-29 11:40:39,168 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 11:40:39,168 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 11:40:39,170 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 120 [2020-10-29 11:40:39,172 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 11:40:39,173 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 11:40:39,173 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 11:40:39,174 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-29 11:40:39,174 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 11:40:39,174 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-29 11:40:39,174 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 11:40:39,174 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 11:40:39,174 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 11:40:39,174 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-29 11:40:39,174 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 11:40:39,175 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 11:40:39,175 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 126 [2020-10-29 11:40:39,176 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 11:40:39,176 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 11:40:39,177 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 11:40:39,177 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-29 11:40:39,177 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 11:40:39,177 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-29 11:40:39,177 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 11:40:39,178 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 11:40:39,178 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 11:40:39,178 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-29 11:40:39,178 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 11:40:39,178 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 11:40:39,179 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 132 [2020-10-29 11:40:39,180 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 11:40:39,180 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 11:40:39,181 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 11:40:39,181 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-29 11:40:39,181 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 11:40:39,181 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-29 11:40:39,181 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 11:40:39,181 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 11:40:39,181 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 11:40:39,182 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-29 11:40:39,182 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 11:40:39,182 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 11:40:39,210 INFO L134 CoverageAnalysis]: Checked inductivity of 23 backedges. 15 proven. 2 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2020-10-29 11:40:39,210 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1855754570] [2020-10-29 11:40:39,210 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-29 11:40:39,210 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [18] total 18 [2020-10-29 11:40:39,211 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1230092070] [2020-10-29 11:40:39,211 INFO L461 AbstractCegarLoop]: Interpolant automaton has 18 states [2020-10-29 11:40:39,211 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-29 11:40:39,212 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 18 interpolants. [2020-10-29 11:40:39,212 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=40, Invalid=266, Unknown=0, NotChecked=0, Total=306 [2020-10-29 11:40:39,212 INFO L87 Difference]: Start difference. First operand 982 states and 1168 transitions. Second operand 18 states. [2020-10-29 11:40:40,174 WARN L193 SmtUtils]: Spent 701.00 ms on a formula simplification. DAG size of input: 208 DAG size of output: 204 [2020-10-29 11:40:41,164 WARN L193 SmtUtils]: Spent 344.00 ms on a formula simplification that was a NOOP. DAG size: 205 [2020-10-29 11:40:43,134 WARN L193 SmtUtils]: Spent 769.00 ms on a formula simplification. DAG size of input: 211 DAG size of output: 207 [2020-10-29 11:40:43,990 WARN L193 SmtUtils]: Spent 715.00 ms on a formula simplification. DAG size of input: 211 DAG size of output: 207 [2020-10-29 11:40:44,797 WARN L193 SmtUtils]: Spent 718.00 ms on a formula simplification. DAG size of input: 216 DAG size of output: 208 [2020-10-29 11:40:45,229 WARN L193 SmtUtils]: Spent 365.00 ms on a formula simplification that was a NOOP. DAG size: 208 [2020-10-29 11:40:45,723 WARN L193 SmtUtils]: Spent 369.00 ms on a formula simplification that was a NOOP. DAG size: 208 [2020-10-29 11:40:46,563 WARN L193 SmtUtils]: Spent 760.00 ms on a formula simplification. DAG size of input: 213 DAG size of output: 209 [2020-10-29 11:40:47,789 WARN L193 SmtUtils]: Spent 721.00 ms on a formula simplification. DAG size of input: 211 DAG size of output: 207 [2020-10-29 11:40:48,626 WARN L193 SmtUtils]: Spent 789.00 ms on a formula simplification. DAG size of input: 213 DAG size of output: 209 [2020-10-29 11:40:49,472 WARN L193 SmtUtils]: Spent 764.00 ms on a formula simplification. DAG size of input: 211 DAG size of output: 207 [2020-10-29 11:40:50,336 WARN L193 SmtUtils]: Spent 798.00 ms on a formula simplification. DAG size of input: 213 DAG size of output: 209 [2020-10-29 11:40:52,004 WARN L193 SmtUtils]: Spent 771.00 ms on a formula simplification. DAG size of input: 210 DAG size of output: 207 [2020-10-29 11:40:52,948 WARN L193 SmtUtils]: Spent 788.00 ms on a formula simplification. DAG size of input: 213 DAG size of output: 210 [2020-10-29 11:40:53,804 WARN L193 SmtUtils]: Spent 814.00 ms on a formula simplification. DAG size of input: 215 DAG size of output: 212 [2020-10-29 11:40:54,673 WARN L193 SmtUtils]: Spent 778.00 ms on a formula simplification. DAG size of input: 213 DAG size of output: 210 [2020-10-29 11:40:55,498 WARN L193 SmtUtils]: Spent 755.00 ms on a formula simplification. DAG size of input: 215 DAG size of output: 212 [2020-10-29 11:40:56,694 WARN L193 SmtUtils]: Spent 750.00 ms on a formula simplification. DAG size of input: 213 DAG size of output: 210 [2020-10-29 11:40:57,525 WARN L193 SmtUtils]: Spent 737.00 ms on a formula simplification. DAG size of input: 213 DAG size of output: 210 [2020-10-29 11:40:58,357 WARN L193 SmtUtils]: Spent 780.00 ms on a formula simplification. DAG size of input: 218 DAG size of output: 215 [2020-10-29 11:40:59,174 WARN L193 SmtUtils]: Spent 721.00 ms on a formula simplification. DAG size of input: 217 DAG size of output: 209 [2020-10-29 11:41:00,705 WARN L193 SmtUtils]: Spent 671.00 ms on a formula simplification. DAG size of input: 210 DAG size of output: 205 [2020-10-29 11:41:01,314 WARN L193 SmtUtils]: Spent 345.00 ms on a formula simplification that was a NOOP. DAG size: 205 [2020-10-29 11:41:02,148 WARN L193 SmtUtils]: Spent 785.00 ms on a formula simplification. DAG size of input: 220 DAG size of output: 212 [2020-10-29 11:41:02,570 WARN L193 SmtUtils]: Spent 351.00 ms on a formula simplification that was a NOOP. DAG size: 207 [2020-10-29 11:41:03,389 WARN L193 SmtUtils]: Spent 767.00 ms on a formula simplification. DAG size of input: 222 DAG size of output: 214 [2020-10-29 11:41:03,853 WARN L193 SmtUtils]: Spent 346.00 ms on a formula simplification that was a NOOP. DAG size: 205 [2020-10-29 11:41:04,742 WARN L193 SmtUtils]: Spent 810.00 ms on a formula simplification. DAG size of input: 220 DAG size of output: 212 [2020-10-29 11:41:05,294 WARN L193 SmtUtils]: Spent 386.00 ms on a formula simplification that was a NOOP. DAG size: 208 [2020-10-29 11:41:06,179 WARN L193 SmtUtils]: Spent 832.00 ms on a formula simplification. DAG size of input: 222 DAG size of output: 214 [2020-10-29 11:41:08,266 WARN L193 SmtUtils]: Spent 852.00 ms on a formula simplification. DAG size of input: 220 DAG size of output: 212 [2020-10-29 11:41:08,708 WARN L193 SmtUtils]: Spent 385.00 ms on a formula simplification that was a NOOP. DAG size: 205 [2020-10-29 11:41:09,672 WARN L193 SmtUtils]: Spent 828.00 ms on a formula simplification. DAG size of input: 220 DAG size of output: 212 [2020-10-29 11:41:10,625 WARN L193 SmtUtils]: Spent 885.00 ms on a formula simplification. DAG size of input: 224 DAG size of output: 217 [2020-10-29 11:41:11,051 WARN L193 SmtUtils]: Spent 361.00 ms on a formula simplification that was a NOOP. DAG size: 205 [2020-10-29 11:41:11,837 WARN L193 SmtUtils]: Spent 729.00 ms on a formula simplification. DAG size of input: 213 DAG size of output: 208 [2020-10-29 11:41:12,269 WARN L193 SmtUtils]: Spent 367.00 ms on a formula simplification that was a NOOP. DAG size: 211 [2020-10-29 11:41:13,114 WARN L193 SmtUtils]: Spent 723.00 ms on a formula simplification. DAG size of input: 213 DAG size of output: 208 [2020-10-29 11:41:13,987 WARN L193 SmtUtils]: Spent 794.00 ms on a formula simplification. DAG size of input: 217 DAG size of output: 213 [2020-10-29 11:41:16,805 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-29 11:41:16,805 INFO L93 Difference]: Finished difference Result 3192 states and 4105 transitions. [2020-10-29 11:41:16,806 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 73 states. [2020-10-29 11:41:16,806 INFO L78 Accepts]: Start accepts. Automaton has 18 states. Word has length 141 [2020-10-29 11:41:16,806 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-29 11:41:16,820 INFO L225 Difference]: With dead ends: 3192 [2020-10-29 11:41:16,821 INFO L226 Difference]: Without dead ends: 2350 [2020-10-29 11:41:16,827 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 143 GetRequests, 63 SyntacticMatches, 1 SemanticMatches, 79 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2114 ImplicationChecksByTransitivity, 28.7s TimeCoverageRelationStatistics Valid=950, Invalid=5530, Unknown=0, NotChecked=0, Total=6480 [2020-10-29 11:41:16,830 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2350 states. [2020-10-29 11:41:17,404 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2350 to 2001. [2020-10-29 11:41:17,404 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2001 states. [2020-10-29 11:41:17,414 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2001 states to 2001 states and 2427 transitions. [2020-10-29 11:41:17,416 INFO L78 Accepts]: Start accepts. Automaton has 2001 states and 2427 transitions. Word has length 141 [2020-10-29 11:41:17,416 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-29 11:41:17,416 INFO L481 AbstractCegarLoop]: Abstraction has 2001 states and 2427 transitions. [2020-10-29 11:41:17,416 INFO L482 AbstractCegarLoop]: Interpolant automaton has 18 states. [2020-10-29 11:41:17,416 INFO L276 IsEmpty]: Start isEmpty. Operand 2001 states and 2427 transitions. [2020-10-29 11:41:17,420 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 144 [2020-10-29 11:41:17,420 INFO L414 BasicCegarLoop]: Found error trace [2020-10-29 11:41:17,421 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 11:41:17,421 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2020-10-29 11:41:17,421 INFO L429 AbstractCegarLoop]: === Iteration 11 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argErr1ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argErr0ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argtypeErr0ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argtypeErr1ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-29 11:41:17,422 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-29 11:41:17,422 INFO L82 PathProgramCache]: Analyzing trace with hash -2081086875, now seen corresponding path program 1 times [2020-10-29 11:41:17,422 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-29 11:41:17,422 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [821521797] [2020-10-29 11:41:17,422 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-29 11:41:17,448 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 11:41:17,469 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 11:41:17,771 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 11:41:18,694 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 11:41:22,455 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 11:41:22,455 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 205 [2020-10-29 11:41:22,455 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-10-29 11:41:22,455 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5004 [2020-10-29 11:41:22,455 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 11:41:22,455 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 11:41:22,455 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 10 [2020-10-29 11:41:22,456 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-29 11:41:22,456 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 120 [2020-10-29 11:41:22,456 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 11:41:22,830 WARN L193 SmtUtils]: Spent 342.00 ms on a formula simplification that was a NOOP. DAG size: 202 [2020-10-29 11:41:22,831 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-29 11:41:22,844 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 11:41:22,853 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 11:41:22,888 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 11:41:22,888 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-29 11:41:22,888 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 11:41:22,889 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 43 [2020-10-29 11:41:22,889 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 11:41:22,889 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 11:41:22,889 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 11:41:22,889 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 11:41:22,889 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-10-29 11:41:22,889 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 11:41:22,902 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-29 11:41:22,903 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 11:41:22,904 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 11:41:22,904 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 11:41:22,905 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-29 11:41:22,905 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 11:41:22,905 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-29 11:41:22,905 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 11:41:22,905 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 11:41:22,905 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 11:41:22,905 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 11:41:22,905 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-10-29 11:41:22,906 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 11:41:22,906 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-10-29 11:41:22,907 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 11:41:22,907 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 11:41:22,908 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 11:41:22,908 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-29 11:41:22,908 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 11:41:22,908 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-29 11:41:22,909 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 11:41:22,909 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 11:41:22,909 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 11:41:22,909 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 11:41:22,909 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-10-29 11:41:22,909 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 11:41:22,910 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-29 11:41:22,911 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 11:41:22,911 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 11:41:22,912 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 11:41:22,913 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-29 11:41:22,913 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 11:41:22,913 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-29 11:41:22,913 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 11:41:22,913 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 11:41:22,913 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 11:41:22,913 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 11:41:22,913 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-29 11:41:22,914 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 11:41:22,914 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-10-29 11:41:22,915 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 11:41:22,916 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 11:41:22,917 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 11:41:22,917 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-29 11:41:22,917 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 11:41:22,917 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-29 11:41:22,917 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 11:41:22,917 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 11:41:22,917 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 11:41:22,917 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 11:41:22,918 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-10-29 11:41:22,918 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 11:41:22,932 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2020-10-29 11:41:22,933 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 11:41:22,934 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 11:41:22,936 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 11:41:22,936 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-29 11:41:22,936 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 11:41:22,936 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-29 11:41:22,936 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 11:41:22,936 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 11:41:22,936 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 11:41:22,936 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 11:41:22,937 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-29 11:41:22,937 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 11:41:22,951 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2020-10-29 11:41:22,955 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 11:41:22,958 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 11:41:22,966 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 11:41:22,989 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 11:41:22,989 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 61 [2020-10-29 11:41:22,990 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-29 11:41:22,990 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 33 [2020-10-29 11:41:22,990 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 11:41:22,990 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 11:41:22,990 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 11:41:22,990 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 11:41:22,990 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 58 [2020-10-29 11:41:22,991 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 11:41:23,012 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-29 11:41:23,014 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 11:41:23,016 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 11:41:23,019 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 11:41:23,019 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 40 [2020-10-29 11:41:23,019 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 11:41:23,019 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-29 11:41:23,019 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 11:41:23,019 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 11:41:23,019 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 11:41:23,020 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 11:41:23,020 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 11:41:23,020 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 11:41:23,022 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-29 11:41:23,023 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 11:41:23,024 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 11:41:23,026 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 11:41:23,027 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 33 [2020-10-29 11:41:23,027 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 11:41:23,027 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-29 11:41:23,027 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 11:41:23,027 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 11:41:23,027 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 11:41:23,027 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 11:41:23,027 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 11:41:23,028 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 11:41:23,029 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-29 11:41:23,030 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 11:41:23,031 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 11:41:23,033 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 11:41:23,033 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 18 [2020-10-29 11:41:23,033 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 11:41:23,033 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-29 11:41:23,033 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 11:41:23,034 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 11:41:23,034 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 11:41:23,034 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 11:41:23,034 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 11:41:23,034 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 11:41:23,035 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-29 11:41:23,036 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 11:41:23,036 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 11:41:23,037 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 11:41:23,037 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-29 11:41:23,038 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 11:41:23,038 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-29 11:41:23,038 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 11:41:23,038 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 11:41:23,038 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 11:41:23,038 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 11:41:23,038 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 11:41:23,039 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 11:41:23,040 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2020-10-29 11:41:23,040 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 11:41:23,041 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 11:41:23,042 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 11:41:23,042 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-29 11:41:23,042 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 11:41:23,042 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-29 11:41:23,042 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 11:41:23,042 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 11:41:23,042 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 11:41:23,043 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 11:41:23,043 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 11:41:23,043 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 11:41:23,044 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 30 [2020-10-29 11:41:23,045 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 11:41:23,046 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 11:41:23,047 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 11:41:23,047 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 16 [2020-10-29 11:41:23,047 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 11:41:23,047 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-29 11:41:23,047 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 11:41:23,048 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 11:41:23,048 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 11:41:23,048 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 11:41:23,048 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 11:41:23,048 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 11:41:23,049 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-29 11:41:23,050 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 11:41:23,050 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 11:41:23,051 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 11:41:23,051 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-29 11:41:23,051 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 11:41:23,051 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-29 11:41:23,051 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 11:41:23,052 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 11:41:23,052 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 11:41:23,052 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 11:41:23,052 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 11:41:23,052 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 11:41:23,064 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 85 [2020-10-29 11:41:23,065 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 11:41:23,066 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 11:41:23,068 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 11:41:23,068 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-29 11:41:23,068 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 11:41:23,068 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-29 11:41:23,068 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 11:41:23,069 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 11:41:23,069 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-29 11:41:23,069 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-29 11:41:23,069 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-10-29 11:41:23,069 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 11:41:23,080 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 93 [2020-10-29 11:41:23,081 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 11:41:23,082 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 11:41:23,083 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 11:41:23,083 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-29 11:41:23,083 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 11:41:23,083 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-29 11:41:23,083 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 11:41:23,084 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 11:41:23,084 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 11:41:23,084 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-29 11:41:23,084 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 11:41:23,084 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 11:41:23,085 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2020-10-29 11:41:23,087 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 11:41:23,088 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 11:41:23,092 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 11:41:23,092 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 32 [2020-10-29 11:41:23,092 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 11:41:23,092 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-29 11:41:23,092 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 11:41:23,093 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 11:41:23,093 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 11:41:23,093 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 29 [2020-10-29 11:41:23,093 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 11:41:23,093 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 11:41:23,095 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-29 11:41:23,096 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 11:41:23,096 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 11:41:23,099 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 11:41:23,099 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 17 [2020-10-29 11:41:23,099 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 11:41:23,099 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-29 11:41:23,099 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 11:41:23,099 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 11:41:23,100 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 11:41:23,100 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 11:41:23,100 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 11:41:23,100 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 11:41:23,102 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-29 11:41:23,102 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 11:41:23,103 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 11:41:23,104 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 11:41:23,104 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-29 11:41:23,104 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 11:41:23,104 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-29 11:41:23,104 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 11:41:23,104 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 11:41:23,104 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 11:41:23,105 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 11:41:23,105 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 11:41:23,105 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 11:41:23,106 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2020-10-29 11:41:23,107 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 11:41:23,107 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 11:41:23,108 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 11:41:23,108 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-29 11:41:23,108 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 11:41:23,108 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-29 11:41:23,108 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 11:41:23,108 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 11:41:23,109 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 11:41:23,109 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 11:41:23,109 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 11:41:23,109 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 11:41:23,110 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 122 [2020-10-29 11:41:23,111 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 11:41:23,111 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 11:41:23,112 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 11:41:23,112 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-29 11:41:23,112 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 11:41:23,112 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-29 11:41:23,112 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 11:41:23,113 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 11:41:23,113 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 11:41:23,113 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-29 11:41:23,113 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 11:41:23,113 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 11:41:23,114 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 128 [2020-10-29 11:41:23,114 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 11:41:23,115 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 11:41:23,115 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 11:41:23,116 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-29 11:41:23,116 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 11:41:23,116 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-29 11:41:23,116 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 11:41:23,116 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 11:41:23,116 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 11:41:23,116 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-29 11:41:23,117 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 11:41:23,117 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 11:41:23,117 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 134 [2020-10-29 11:41:23,118 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 11:41:23,118 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 11:41:23,119 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 11:41:23,119 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-29 11:41:23,119 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 11:41:23,119 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-29 11:41:23,120 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 11:41:23,120 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 11:41:23,120 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 11:41:23,120 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-29 11:41:23,120 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 11:41:23,120 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 11:41:23,147 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 11 proven. 0 refuted. 0 times theorem prover too weak. 13 trivial. 0 not checked. [2020-10-29 11:41:23,148 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [821521797] [2020-10-29 11:41:23,148 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-29 11:41:23,148 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2020-10-29 11:41:23,148 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2025023789] [2020-10-29 11:41:23,149 INFO L461 AbstractCegarLoop]: Interpolant automaton has 9 states [2020-10-29 11:41:23,149 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-29 11:41:23,149 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2020-10-29 11:41:23,149 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=51, Unknown=0, NotChecked=0, Total=72 [2020-10-29 11:41:23,150 INFO L87 Difference]: Start difference. First operand 2001 states and 2427 transitions. Second operand 9 states. [2020-10-29 11:41:23,637 WARN L193 SmtUtils]: Spent 342.00 ms on a formula simplification that was a NOOP. DAG size: 204 [2020-10-29 11:41:26,712 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-29 11:41:26,712 INFO L93 Difference]: Finished difference Result 5222 states and 6560 transitions. [2020-10-29 11:41:26,713 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2020-10-29 11:41:26,713 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 143 [2020-10-29 11:41:26,714 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-29 11:41:26,727 INFO L225 Difference]: With dead ends: 5222 [2020-10-29 11:41:26,727 INFO L226 Difference]: Without dead ends: 2231 [2020-10-29 11:41:26,735 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 65 GetRequests, 49 SyntacticMatches, 0 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 50 ImplicationChecksByTransitivity, 0.8s TimeCoverageRelationStatistics Valid=85, Invalid=221, Unknown=0, NotChecked=0, Total=306 [2020-10-29 11:41:26,738 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2231 states. [2020-10-29 11:41:27,247 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2231 to 1969. [2020-10-29 11:41:27,247 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1969 states. [2020-10-29 11:41:27,253 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1969 states to 1969 states and 2287 transitions. [2020-10-29 11:41:27,254 INFO L78 Accepts]: Start accepts. Automaton has 1969 states and 2287 transitions. Word has length 143 [2020-10-29 11:41:27,254 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-29 11:41:27,255 INFO L481 AbstractCegarLoop]: Abstraction has 1969 states and 2287 transitions. [2020-10-29 11:41:27,255 INFO L482 AbstractCegarLoop]: Interpolant automaton has 9 states. [2020-10-29 11:41:27,255 INFO L276 IsEmpty]: Start isEmpty. Operand 1969 states and 2287 transitions. [2020-10-29 11:41:27,257 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 148 [2020-10-29 11:41:27,257 INFO L414 BasicCegarLoop]: Found error trace [2020-10-29 11:41:27,258 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 11:41:27,258 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2020-10-29 11:41:27,258 INFO L429 AbstractCegarLoop]: === Iteration 12 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argErr1ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argErr0ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argtypeErr0ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argtypeErr1ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-29 11:41:27,258 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-29 11:41:27,258 INFO L82 PathProgramCache]: Analyzing trace with hash -1438199308, now seen corresponding path program 1 times [2020-10-29 11:41:27,259 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-29 11:41:27,259 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [2058611919] [2020-10-29 11:41:27,259 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-29 11:41:27,282 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 11:41:27,300 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 11:41:27,331 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 11:41:27,502 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 11:41:27,533 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 11:41:32,189 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 11:41:32,189 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 213 [2020-10-29 11:41:32,189 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 4 [2020-10-29 11:41:32,189 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4905 [2020-10-29 11:41:32,189 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 11:41:32,190 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 11:41:32,190 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 14 [2020-10-29 11:41:32,190 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 49 [2020-10-29 11:41:32,190 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 149 [2020-10-29 11:41:32,190 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 11:41:32,631 WARN L193 SmtUtils]: Spent 333.00 ms on a formula simplification that was a NOOP. DAG size: 202 [2020-10-29 11:41:32,632 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-29 11:41:32,638 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 11:41:32,640 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 11:41:32,653 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 11:41:32,653 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-29 11:41:32,654 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 11:41:32,654 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 14 [2020-10-29 11:41:32,654 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 11:41:32,654 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 11:41:32,654 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 11:41:32,654 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 11:41:32,654 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 11:41:32,654 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 11:41:32,661 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-29 11:41:32,661 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 11:41:32,662 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 11:41:32,662 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 11:41:32,662 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-29 11:41:32,663 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 11:41:32,663 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-29 11:41:32,663 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 11:41:32,663 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 11:41:32,663 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 11:41:32,663 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 11:41:32,663 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 11:41:32,663 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 11:41:32,664 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-10-29 11:41:32,665 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 11:41:32,665 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 11:41:32,665 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 11:41:32,665 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-29 11:41:32,666 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 11:41:32,666 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-29 11:41:32,666 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 11:41:32,666 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 11:41:32,666 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 11:41:32,666 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 11:41:32,666 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 11:41:32,666 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 11:41:32,667 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-29 11:41:32,667 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 11:41:32,668 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 11:41:32,668 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 11:41:32,668 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-29 11:41:32,669 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 11:41:32,669 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-29 11:41:32,669 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 11:41:32,669 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 11:41:32,669 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 11:41:32,669 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 11:41:32,669 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 11:41:32,669 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 11:41:32,670 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-10-29 11:41:32,671 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 11:41:32,671 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 11:41:32,671 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 11:41:32,672 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-29 11:41:32,672 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 11:41:32,672 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-29 11:41:32,672 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 11:41:32,672 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 11:41:32,672 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 11:41:32,672 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 11:41:32,672 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 11:41:32,673 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 11:41:32,687 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2020-10-29 11:41:32,689 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 11:41:32,689 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 11:41:32,690 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 11:41:32,690 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-29 11:41:32,690 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 11:41:32,691 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-29 11:41:32,691 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 11:41:32,691 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 11:41:32,691 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 11:41:32,691 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 11:41:32,691 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-10-29 11:41:32,691 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 11:41:32,708 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2020-10-29 11:41:32,712 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 11:41:32,714 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 11:41:32,728 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 11:41:32,762 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 11:41:32,762 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 77 [2020-10-29 11:41:32,762 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-29 11:41:32,762 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 49 [2020-10-29 11:41:32,763 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 11:41:32,763 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 11:41:32,763 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-29 11:41:32,763 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-29 11:41:32,763 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 77 [2020-10-29 11:41:32,763 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 11:41:32,798 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-29 11:41:32,800 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 11:41:32,802 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 11:41:32,806 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 11:41:32,807 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 40 [2020-10-29 11:41:32,807 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 11:41:32,807 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-29 11:41:32,807 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 11:41:32,807 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 11:41:32,807 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 11:41:32,807 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 11:41:32,807 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 37 [2020-10-29 11:41:32,807 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 11:41:32,809 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-29 11:41:32,810 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 11:41:32,810 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 11:41:32,812 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 11:41:32,812 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 33 [2020-10-29 11:41:32,812 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 11:41:32,812 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-29 11:41:32,813 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 11:41:32,813 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 11:41:32,813 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 11:41:32,813 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 11:41:32,813 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 11:41:32,813 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 11:41:32,814 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-29 11:41:32,815 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 11:41:32,815 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 11:41:32,816 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 11:41:32,817 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 18 [2020-10-29 11:41:32,817 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 11:41:32,817 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-29 11:41:32,817 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 11:41:32,817 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 11:41:32,817 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 11:41:32,817 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 11:41:32,817 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 11:41:32,817 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 11:41:32,818 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-29 11:41:32,819 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 11:41:32,819 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 11:41:32,819 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 11:41:32,820 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-29 11:41:32,820 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 11:41:32,820 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-29 11:41:32,820 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 11:41:32,820 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 11:41:32,820 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 11:41:32,820 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 11:41:32,820 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 11:41:32,820 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 11:41:32,821 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2020-10-29 11:41:32,821 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 11:41:32,822 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 11:41:32,822 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 11:41:32,823 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-29 11:41:32,823 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 11:41:32,823 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-29 11:41:32,823 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 11:41:32,823 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 11:41:32,823 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 11:41:32,823 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 11:41:32,824 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 11:41:32,824 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 11:41:32,825 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 30 [2020-10-29 11:41:32,827 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 11:41:32,829 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 11:41:32,834 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 11:41:32,834 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 32 [2020-10-29 11:41:32,834 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 11:41:32,835 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-29 11:41:32,835 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 11:41:32,835 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 11:41:32,835 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 11:41:32,835 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 11:41:32,835 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 29 [2020-10-29 11:41:32,835 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 11:41:32,837 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-29 11:41:32,838 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 11:41:32,839 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 11:41:32,839 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 11:41:32,839 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-29 11:41:32,839 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 11:41:32,840 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-29 11:41:32,840 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 11:41:32,840 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 11:41:32,840 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 11:41:32,840 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 11:41:32,840 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 11:41:32,840 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 11:41:32,841 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2020-10-29 11:41:32,842 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 11:41:32,842 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 11:41:32,843 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 11:41:32,843 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-29 11:41:32,843 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 11:41:32,843 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-29 11:41:32,843 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 11:41:32,843 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 11:41:32,843 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 11:41:32,844 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 11:41:32,844 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 11:41:32,844 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 11:41:32,845 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2020-10-29 11:41:32,845 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 11:41:32,846 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 11:41:32,846 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 11:41:32,846 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-29 11:41:32,846 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 11:41:32,847 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-29 11:41:32,847 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 11:41:32,847 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 11:41:32,847 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 11:41:32,847 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 11:41:32,847 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 11:41:32,847 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 11:41:32,850 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 97 [2020-10-29 11:41:32,851 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 11:41:32,852 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 11:41:32,855 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 11:41:32,855 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-29 11:41:32,855 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 11:41:32,855 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-29 11:41:32,855 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 11:41:32,855 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 11:41:32,855 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-29 11:41:32,855 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-29 11:41:32,856 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-10-29 11:41:32,856 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 11:41:32,878 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2020-10-29 11:41:32,880 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 11:41:32,882 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 11:41:32,888 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 11:41:32,888 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 32 [2020-10-29 11:41:32,888 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 11:41:32,888 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-29 11:41:32,888 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 11:41:32,888 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 11:41:32,888 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 11:41:32,889 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 11:41:32,889 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 29 [2020-10-29 11:41:32,889 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 11:41:32,891 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-29 11:41:32,892 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 11:41:32,892 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 11:41:32,894 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 11:41:32,895 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 17 [2020-10-29 11:41:32,895 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 11:41:32,895 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-29 11:41:32,895 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 11:41:32,895 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 11:41:32,895 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 11:41:32,895 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 11:41:32,896 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 11:41:32,896 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 11:41:32,897 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-29 11:41:32,898 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 11:41:32,898 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 11:41:32,899 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 11:41:32,899 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-29 11:41:32,900 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 11:41:32,900 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-29 11:41:32,900 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 11:41:32,900 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 11:41:32,900 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 11:41:32,900 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 11:41:32,900 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 11:41:32,901 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 11:41:32,902 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2020-10-29 11:41:32,902 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 11:41:32,903 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 11:41:32,904 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 11:41:32,904 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-29 11:41:32,904 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 11:41:32,904 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-29 11:41:32,904 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 11:41:32,904 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 11:41:32,904 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 11:41:32,905 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 11:41:32,905 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 11:41:32,905 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 11:41:32,906 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 126 [2020-10-29 11:41:32,907 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 11:41:32,908 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 11:41:32,909 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 11:41:32,909 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-29 11:41:32,909 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 11:41:32,909 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-29 11:41:32,909 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 11:41:32,909 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 11:41:32,910 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 11:41:32,910 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 11:41:32,910 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-29 11:41:32,910 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 11:41:32,911 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 132 [2020-10-29 11:41:32,912 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 11:41:32,913 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 11:41:32,915 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 11:41:32,915 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-29 11:41:32,915 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 11:41:32,915 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-29 11:41:32,915 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 11:41:32,915 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 11:41:32,916 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-29 11:41:32,916 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 11:41:32,916 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-29 11:41:32,916 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 11:41:32,966 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 138 [2020-10-29 11:41:32,967 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 11:41:32,968 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 11:41:32,969 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 11:41:32,969 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-29 11:41:32,969 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 11:41:32,969 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-29 11:41:32,969 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 11:41:32,969 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 11:41:32,969 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 11:41:32,969 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-29 11:41:32,969 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 11:41:32,969 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 11:41:32,989 INFO L134 CoverageAnalysis]: Checked inductivity of 29 backedges. 14 proven. 4 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2020-10-29 11:41:32,989 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [2058611919] [2020-10-29 11:41:32,989 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-29 11:41:32,989 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [13] total 13 [2020-10-29 11:41:32,989 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [499100293] [2020-10-29 11:41:32,990 INFO L461 AbstractCegarLoop]: Interpolant automaton has 13 states [2020-10-29 11:41:32,990 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-29 11:41:32,990 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2020-10-29 11:41:32,990 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=32, Invalid=124, Unknown=0, NotChecked=0, Total=156 [2020-10-29 11:41:32,990 INFO L87 Difference]: Start difference. First operand 1969 states and 2287 transitions. Second operand 13 states. [2020-10-29 11:41:33,638 WARN L193 SmtUtils]: Spent 349.00 ms on a formula simplification that was a NOOP. DAG size: 206 [2020-10-29 11:41:34,442 WARN L193 SmtUtils]: Spent 341.00 ms on a formula simplification that was a NOOP. DAG size: 204 [2020-10-29 11:41:35,517 WARN L193 SmtUtils]: Spent 774.00 ms on a formula simplification. DAG size of input: 211 DAG size of output: 209 [2020-10-29 11:41:36,740 WARN L193 SmtUtils]: Spent 737.00 ms on a formula simplification. DAG size of input: 213 DAG size of output: 208 [2020-10-29 11:41:37,186 WARN L193 SmtUtils]: Spent 365.00 ms on a formula simplification that was a NOOP. DAG size: 209 [2020-10-29 11:41:37,597 WARN L193 SmtUtils]: Spent 369.00 ms on a formula simplification that was a NOOP. DAG size: 209 [2020-10-29 11:41:39,756 WARN L193 SmtUtils]: Spent 387.00 ms on a formula simplification that was a NOOP. DAG size: 207 [2020-10-29 11:41:40,258 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-29 11:41:40,258 INFO L93 Difference]: Finished difference Result 3595 states and 4262 transitions. [2020-10-29 11:41:40,259 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2020-10-29 11:41:40,259 INFO L78 Accepts]: Start accepts. Automaton has 13 states. Word has length 147 [2020-10-29 11:41:40,260 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-29 11:41:40,261 INFO L225 Difference]: With dead ends: 3595 [2020-10-29 11:41:40,261 INFO L226 Difference]: Without dead ends: 0 [2020-10-29 11:41:40,272 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 81 GetRequests, 55 SyntacticMatches, 0 SemanticMatches, 26 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 109 ImplicationChecksByTransitivity, 4.1s TimeCoverageRelationStatistics Valid=201, Invalid=555, Unknown=0, NotChecked=0, Total=756 [2020-10-29 11:41:40,272 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2020-10-29 11:41:40,272 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2020-10-29 11:41:40,272 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2020-10-29 11:41:40,272 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2020-10-29 11:41:40,273 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 147 [2020-10-29 11:41:40,273 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-29 11:41:40,273 INFO L481 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-10-29 11:41:40,273 INFO L482 AbstractCegarLoop]: Interpolant automaton has 13 states. [2020-10-29 11:41:40,273 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2020-10-29 11:41:40,274 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-10-29 11:41:40,274 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2020-10-29 11:41:40,276 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2020-10-29 11:41:40,655 WARN L193 SmtUtils]: Spent 173.00 ms on a formula simplification. DAG size of input: 248 DAG size of output: 245 [2020-10-29 11:41:45,138 WARN L193 SmtUtils]: Spent 1.15 s on a formula simplification. DAG size of input: 398 DAG size of output: 345 [2020-10-29 11:41:46,027 WARN L193 SmtUtils]: Spent 271.00 ms on a formula simplification. DAG size of input: 271 DAG size of output: 242 [2020-10-29 11:41:46,674 WARN L193 SmtUtils]: Spent 640.00 ms on a formula simplification. DAG size of input: 301 DAG size of output: 258 [2020-10-29 11:41:47,098 WARN L193 SmtUtils]: Spent 420.00 ms on a formula simplification. DAG size of input: 307 DAG size of output: 264 [2020-10-29 11:41:47,510 WARN L193 SmtUtils]: Spent 410.00 ms on a formula simplification. DAG size of input: 307 DAG size of output: 264 [2020-10-29 11:41:47,942 WARN L193 SmtUtils]: Spent 429.00 ms on a formula simplification. DAG size of input: 307 DAG size of output: 264 [2020-10-29 11:41:48,185 WARN L193 SmtUtils]: Spent 238.00 ms on a formula simplification. DAG size of input: 290 DAG size of output: 245 [2020-10-29 11:41:48,473 WARN L193 SmtUtils]: Spent 286.00 ms on a formula simplification. DAG size of input: 276 DAG size of output: 245 [2020-10-29 11:41:48,989 WARN L193 SmtUtils]: Spent 513.00 ms on a formula simplification. DAG size of input: 307 DAG size of output: 264 [2020-10-29 11:41:49,231 WARN L193 SmtUtils]: Spent 240.00 ms on a formula simplification. DAG size of input: 291 DAG size of output: 246 [2020-10-29 11:41:49,570 WARN L193 SmtUtils]: Spent 336.00 ms on a formula simplification. DAG size of input: 301 DAG size of output: 258 [2020-10-29 11:41:50,207 WARN L193 SmtUtils]: Spent 634.00 ms on a formula simplification. DAG size of input: 386 DAG size of output: 334 [2020-10-29 11:41:50,532 WARN L193 SmtUtils]: Spent 323.00 ms on a formula simplification. DAG size of input: 302 DAG size of output: 259 [2020-10-29 11:41:50,889 WARN L193 SmtUtils]: Spent 354.00 ms on a formula simplification. DAG size of input: 302 DAG size of output: 259 [2020-10-29 11:41:51,102 WARN L193 SmtUtils]: Spent 210.00 ms on a formula simplification. DAG size of input: 271 DAG size of output: 242 [2020-10-29 11:41:51,367 WARN L193 SmtUtils]: Spent 263.00 ms on a formula simplification. DAG size of input: 271 DAG size of output: 242 [2020-10-29 11:41:51,647 WARN L193 SmtUtils]: Spent 277.00 ms on a formula simplification. DAG size of input: 286 DAG size of output: 250 [2020-10-29 11:41:52,152 WARN L193 SmtUtils]: Spent 503.00 ms on a formula simplification. DAG size of input: 359 DAG size of output: 314 [2020-10-29 11:41:52,369 WARN L193 SmtUtils]: Spent 214.00 ms on a formula simplification. DAG size of input: 271 DAG size of output: 242 [2020-10-29 11:41:52,644 WARN L193 SmtUtils]: Spent 273.00 ms on a formula simplification. DAG size of input: 290 DAG size of output: 245 [2020-10-29 11:41:53,351 WARN L193 SmtUtils]: Spent 705.00 ms on a formula simplification. DAG size of input: 391 DAG size of output: 339 [2020-10-29 11:41:53,785 WARN L193 SmtUtils]: Spent 432.00 ms on a formula simplification. DAG size of input: 307 DAG size of output: 264 [2020-10-29 11:41:54,069 WARN L193 SmtUtils]: Spent 281.00 ms on a formula simplification. DAG size of input: 287 DAG size of output: 252 [2020-10-29 11:41:54,455 WARN L193 SmtUtils]: Spent 383.00 ms on a formula simplification. DAG size of input: 302 DAG size of output: 259 [2020-10-29 11:41:54,808 WARN L193 SmtUtils]: Spent 350.00 ms on a formula simplification. DAG size of input: 301 DAG size of output: 258 [2020-10-29 11:41:55,020 WARN L193 SmtUtils]: Spent 210.00 ms on a formula simplification. DAG size of input: 271 DAG size of output: 242 [2020-10-29 11:41:55,652 WARN L193 SmtUtils]: Spent 630.00 ms on a formula simplification. DAG size of input: 386 DAG size of output: 334 [2020-10-29 11:41:55,870 WARN L193 SmtUtils]: Spent 216.00 ms on a formula simplification. DAG size of input: 272 DAG size of output: 243 [2020-10-29 11:41:56,094 WARN L193 SmtUtils]: Spent 222.00 ms on a formula simplification. DAG size of input: 288 DAG size of output: 243 [2020-10-29 11:41:56,289 WARN L193 SmtUtils]: Spent 193.00 ms on a formula simplification. DAG size of input: 269 DAG size of output: 240 [2020-10-29 11:41:56,718 WARN L193 SmtUtils]: Spent 427.00 ms on a formula simplification. DAG size of input: 307 DAG size of output: 264 [2020-10-29 11:41:56,933 WARN L193 SmtUtils]: Spent 213.00 ms on a formula simplification. DAG size of input: 271 DAG size of output: 242 [2020-10-29 11:41:57,257 WARN L193 SmtUtils]: Spent 321.00 ms on a formula simplification. DAG size of input: 302 DAG size of output: 259 [2020-10-29 11:41:57,784 WARN L193 SmtUtils]: Spent 525.00 ms on a formula simplification. DAG size of input: 381 DAG size of output: 329 [2020-10-29 11:41:58,027 WARN L193 SmtUtils]: Spent 241.00 ms on a formula simplification. DAG size of input: 291 DAG size of output: 246 [2020-10-29 11:41:58,282 WARN L193 SmtUtils]: Spent 253.00 ms on a formula simplification. DAG size of input: 286 DAG size of output: 250 [2020-10-29 11:41:58,492 WARN L193 SmtUtils]: Spent 208.00 ms on a formula simplification. DAG size of input: 271 DAG size of output: 242 [2020-10-29 11:41:58,912 WARN L193 SmtUtils]: Spent 419.00 ms on a formula simplification. DAG size of input: 307 DAG size of output: 264 [2020-10-29 11:41:59,248 WARN L193 SmtUtils]: Spent 332.00 ms on a formula simplification. DAG size of input: 301 DAG size of output: 258 [2020-10-29 11:41:59,622 WARN L193 SmtUtils]: Spent 372.00 ms on a formula simplification. DAG size of input: 327 DAG size of output: 298 [2020-10-29 11:42:00,155 WARN L193 SmtUtils]: Spent 530.00 ms on a formula simplification. DAG size of input: 381 DAG size of output: 329 [2020-10-29 11:42:00,382 WARN L193 SmtUtils]: Spent 225.00 ms on a formula simplification. DAG size of input: 288 DAG size of output: 243 [2020-10-29 11:42:00,578 WARN L193 SmtUtils]: Spent 194.00 ms on a formula simplification. DAG size of input: 269 DAG size of output: 240 [2020-10-29 11:42:00,891 WARN L193 SmtUtils]: Spent 311.00 ms on a formula simplification. DAG size of input: 283 DAG size of output: 253 [2020-10-29 11:42:01,283 WARN L193 SmtUtils]: Spent 391.00 ms on a formula simplification. DAG size of input: 334 DAG size of output: 301 [2020-10-29 11:42:01,613 WARN L193 SmtUtils]: Spent 327.00 ms on a formula simplification. DAG size of input: 302 DAG size of output: 259 [2020-10-29 11:42:01,952 WARN L193 SmtUtils]: Spent 338.00 ms on a formula simplification. DAG size of input: 301 DAG size of output: 258 [2020-10-29 11:42:02,281 WARN L193 SmtUtils]: Spent 326.00 ms on a formula simplification. DAG size of input: 301 DAG size of output: 258 [2020-10-29 11:42:02,607 WARN L193 SmtUtils]: Spent 323.00 ms on a formula simplification. DAG size of input: 301 DAG size of output: 258 [2020-10-29 11:42:02,820 WARN L193 SmtUtils]: Spent 212.00 ms on a formula simplification. DAG size of input: 272 DAG size of output: 243 [2020-10-29 11:42:03,099 WARN L193 SmtUtils]: Spent 276.00 ms on a formula simplification. DAG size of input: 287 DAG size of output: 252 [2020-10-29 11:42:07,231 WARN L193 SmtUtils]: Spent 645.00 ms on a formula simplification. DAG size of input: 457 DAG size of output: 368 [2020-10-29 11:42:16,511 WARN L193 SmtUtils]: Spent 501.00 ms on a formula simplification. DAG size of input: 400 DAG size of output: 341 [2020-10-29 11:42:17,167 WARN L193 SmtUtils]: Spent 653.00 ms on a formula simplification. DAG size of input: 467 DAG size of output: 374 [2020-10-29 11:42:17,798 WARN L193 SmtUtils]: Spent 246.00 ms on a formula simplification. DAG size of input: 311 DAG size of output: 262 [2020-10-29 11:42:23,466 WARN L193 SmtUtils]: Spent 212.00 ms on a formula simplification. DAG size of input: 271 DAG size of output: 242 [2020-10-29 11:42:23,788 WARN L193 SmtUtils]: Spent 319.00 ms on a formula simplification. DAG size of input: 301 DAG size of output: 258 [2020-10-29 11:42:24,197 WARN L193 SmtUtils]: Spent 407.00 ms on a formula simplification. DAG size of input: 307 DAG size of output: 264 [2020-10-29 11:42:24,608 WARN L193 SmtUtils]: Spent 409.00 ms on a formula simplification. DAG size of input: 307 DAG size of output: 264 [2020-10-29 11:42:25,025 WARN L193 SmtUtils]: Spent 414.00 ms on a formula simplification. DAG size of input: 307 DAG size of output: 264 [2020-10-29 11:42:25,278 WARN L193 SmtUtils]: Spent 252.00 ms on a formula simplification. DAG size of input: 290 DAG size of output: 245 [2020-10-29 11:42:25,549 WARN L193 SmtUtils]: Spent 268.00 ms on a formula simplification. DAG size of input: 276 DAG size of output: 245 [2020-10-29 11:42:25,958 WARN L193 SmtUtils]: Spent 407.00 ms on a formula simplification. DAG size of input: 307 DAG size of output: 264 [2020-10-29 11:42:26,202 WARN L193 SmtUtils]: Spent 241.00 ms on a formula simplification. DAG size of input: 291 DAG size of output: 246 [2020-10-29 11:42:26,526 WARN L193 SmtUtils]: Spent 322.00 ms on a formula simplification. DAG size of input: 301 DAG size of output: 258 [2020-10-29 11:42:27,127 WARN L193 SmtUtils]: Spent 598.00 ms on a formula simplification. DAG size of input: 386 DAG size of output: 334 [2020-10-29 11:42:27,449 WARN L193 SmtUtils]: Spent 320.00 ms on a formula simplification. DAG size of input: 302 DAG size of output: 259 [2020-10-29 11:42:27,778 WARN L193 SmtUtils]: Spent 326.00 ms on a formula simplification. DAG size of input: 302 DAG size of output: 259 [2020-10-29 11:42:27,988 WARN L193 SmtUtils]: Spent 208.00 ms on a formula simplification. DAG size of input: 271 DAG size of output: 242 [2020-10-29 11:42:28,201 WARN L193 SmtUtils]: Spent 211.00 ms on a formula simplification. DAG size of input: 271 DAG size of output: 242 [2020-10-29 11:42:28,447 WARN L193 SmtUtils]: Spent 243.00 ms on a formula simplification. DAG size of input: 286 DAG size of output: 250 [2020-10-29 11:42:28,929 WARN L193 SmtUtils]: Spent 480.00 ms on a formula simplification. DAG size of input: 359 DAG size of output: 314 [2020-10-29 11:42:29,154 WARN L193 SmtUtils]: Spent 223.00 ms on a formula simplification. DAG size of input: 271 DAG size of output: 242 [2020-10-29 11:42:29,397 WARN L193 SmtUtils]: Spent 240.00 ms on a formula simplification. DAG size of input: 290 DAG size of output: 245 [2020-10-29 11:42:30,100 WARN L193 SmtUtils]: Spent 701.00 ms on a formula simplification. DAG size of input: 391 DAG size of output: 339 [2020-10-29 11:42:30,519 WARN L193 SmtUtils]: Spent 417.00 ms on a formula simplification. DAG size of input: 307 DAG size of output: 264 [2020-10-29 11:42:30,794 WARN L193 SmtUtils]: Spent 272.00 ms on a formula simplification. DAG size of input: 287 DAG size of output: 252 [2020-10-29 11:42:31,122 WARN L193 SmtUtils]: Spent 326.00 ms on a formula simplification. DAG size of input: 302 DAG size of output: 259