/usr/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata ./data -tc ../../../trunk/examples/toolchains/AutomizerC.xml --traceabstraction.trace.refinement.strategy FIXED_PREFERENCES --traceabstraction.compute.interpolants.along.a.counterexample Craig_NestedInterpolation --traceabstraction.smt.solver Internal_SMTInterpol --traceabstraction.compute.trace.for.counterexample.result false --rcfgbuilder.size.of.a.code.block SequenceOfStatements --traceabstraction.use.minimal.unsat.core.enumeration true --traceabstraction.additional.smt.options produce-proofs=true --traceabstraction.additional.smt.options produce-unsat-cores=true --traceabstraction.additional.smt.options enumeration-timeout=5000 --traceabstraction.additional.smt.options interpolation-heuristic=SHALLOWEST --traceabstraction.additional.smt.options log-additional-information=true --traceabstraction.additional.smt.options unknown-allowed=true -s ../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf language data_model -i ../../../trunk/examples/svcomp/product-lines/minepump_spec2_product40.cil.c -------------------------------------------------------------------------------- This is Ultimate 0.2.0-0f64333 [2020-10-27 03:28:09,352 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-10-27 03:28:09,357 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-10-27 03:28:09,414 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-10-27 03:28:09,415 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-10-27 03:28:09,421 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-10-27 03:28:09,423 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-10-27 03:28:09,427 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-10-27 03:28:09,431 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-10-27 03:28:09,438 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-10-27 03:28:09,439 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-10-27 03:28:09,440 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-10-27 03:28:09,441 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-10-27 03:28:09,444 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-10-27 03:28:09,446 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-10-27 03:28:09,448 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-10-27 03:28:09,449 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-10-27 03:28:09,454 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-10-27 03:28:09,462 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-10-27 03:28:09,468 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-10-27 03:28:09,471 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-10-27 03:28:09,473 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-10-27 03:28:09,474 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-10-27 03:28:09,476 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-10-27 03:28:09,486 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-10-27 03:28:09,487 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-10-27 03:28:09,487 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-10-27 03:28:09,490 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-10-27 03:28:09,490 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-10-27 03:28:09,491 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-10-27 03:28:09,492 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-10-27 03:28:09,492 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-10-27 03:28:09,494 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-10-27 03:28:09,495 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-10-27 03:28:09,496 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-10-27 03:28:09,497 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-10-27 03:28:09,497 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-10-27 03:28:09,498 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-10-27 03:28:09,498 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-10-27 03:28:09,508 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-10-27 03:28:09,509 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-10-27 03:28:09,529 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 [2020-10-27 03:28:09,590 INFO L113 SettingsManager]: Loading preferences was successful [2020-10-27 03:28:09,590 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-10-27 03:28:09,591 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-10-27 03:28:09,592 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-10-27 03:28:09,592 INFO L138 SettingsManager]: * Use SBE=true [2020-10-27 03:28:09,592 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-10-27 03:28:09,592 INFO L138 SettingsManager]: * sizeof long=4 [2020-10-27 03:28:09,593 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-10-27 03:28:09,593 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-10-27 03:28:09,593 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-10-27 03:28:09,593 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-10-27 03:28:09,593 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-10-27 03:28:09,594 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-10-27 03:28:09,594 INFO L138 SettingsManager]: * sizeof long double=12 [2020-10-27 03:28:09,594 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-10-27 03:28:09,594 INFO L138 SettingsManager]: * Use constant arrays=true [2020-10-27 03:28:09,594 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-10-27 03:28:09,595 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-10-27 03:28:09,595 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-10-27 03:28:09,595 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-10-27 03:28:09,595 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-10-27 03:28:09,596 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-10-27 03:28:09,596 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-10-27 03:28:09,596 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-10-27 03:28:09,596 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-10-27 03:28:09,596 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-10-27 03:28:09,597 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-10-27 03:28:09,597 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-10-27 03:28:09,597 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-10-27 03:28:09,597 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Trace refinement strategy -> FIXED_PREFERENCES Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute Interpolants along a Counterexample -> Craig_NestedInterpolation Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: SMT solver -> Internal_SMTInterpol Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute trace for counterexample result -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder: Size of a code block -> SequenceOfStatements Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Use minimal unsat core enumeration -> true Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=5000;interpolation-heuristic=SHALLOWEST;log-additional-information=true;unknown-allowed=true; [2020-10-27 03:28:09,950 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-10-27 03:28:09,977 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-10-27 03:28:09,980 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-10-27 03:28:09,982 INFO L271 PluginConnector]: Initializing CDTParser... [2020-10-27 03:28:09,985 INFO L275 PluginConnector]: CDTParser initialized [2020-10-27 03:28:09,986 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/product-lines/minepump_spec2_product40.cil.c [2020-10-27 03:28:10,063 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/6266fd5b6/a92593c7c8004f00818ca85905d515e4/FLAGbc04da4f4 [2020-10-27 03:28:10,655 INFO L306 CDTParser]: Found 1 translation units. [2020-10-27 03:28:10,655 INFO L160 CDTParser]: Scanning /storage/repos/ultimate-2/trunk/examples/svcomp/product-lines/minepump_spec2_product40.cil.c [2020-10-27 03:28:10,675 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/6266fd5b6/a92593c7c8004f00818ca85905d515e4/FLAGbc04da4f4 [2020-10-27 03:28:10,959 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/6266fd5b6/a92593c7c8004f00818ca85905d515e4 [2020-10-27 03:28:10,962 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-10-27 03:28:10,969 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-10-27 03:28:10,971 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-10-27 03:28:10,971 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-10-27 03:28:10,975 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-10-27 03:28:10,976 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.10 03:28:10" (1/1) ... [2020-10-27 03:28:10,980 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3e67b564 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 03:28:10, skipping insertion in model container [2020-10-27 03:28:10,980 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.10 03:28:10" (1/1) ... [2020-10-27 03:28:10,988 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-10-27 03:28:11,070 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-10-27 03:28:11,491 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-27 03:28:11,509 INFO L203 MainTranslator]: Completed pre-run [2020-10-27 03:28:11,688 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-27 03:28:11,742 INFO L208 MainTranslator]: Completed translation [2020-10-27 03:28:11,744 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 03:28:11 WrapperNode [2020-10-27 03:28:11,744 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-10-27 03:28:11,746 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-10-27 03:28:11,747 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-10-27 03:28:11,747 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-10-27 03:28:11,761 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 03:28:11" (1/1) ... [2020-10-27 03:28:11,763 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 03:28:11" (1/1) ... [2020-10-27 03:28:11,806 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 03:28:11" (1/1) ... [2020-10-27 03:28:11,807 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 03:28:11" (1/1) ... [2020-10-27 03:28:11,866 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 03:28:11" (1/1) ... [2020-10-27 03:28:11,880 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 03:28:11" (1/1) ... [2020-10-27 03:28:11,891 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 03:28:11" (1/1) ... [2020-10-27 03:28:11,908 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-10-27 03:28:11,909 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-10-27 03:28:11,910 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-10-27 03:28:11,910 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-10-27 03:28:11,913 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 03:28:11" (1/1) ... No working directory specified, using /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-10-27 03:28:11,982 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-10-27 03:28:11,983 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-10-27 03:28:11,984 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~X~int~TO~int [2020-10-27 03:28:11,984 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error [2020-10-27 03:28:11,984 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification2_spec__1 [2020-10-27 03:28:11,985 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification2_spec__2 [2020-10-27 03:28:11,985 INFO L138 BoogieDeclarations]: Found implementation of procedure lowerWaterLevel [2020-10-27 03:28:11,985 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2020-10-27 03:28:11,985 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2020-10-27 03:28:11,986 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2020-10-27 03:28:11,987 INFO L138 BoogieDeclarations]: Found implementation of procedure printEnvironment [2020-10-27 03:28:11,987 INFO L138 BoogieDeclarations]: Found implementation of procedure getWaterLevel [2020-10-27 03:28:11,987 INFO L138 BoogieDeclarations]: Found implementation of procedure isHighWaterSensorDry [2020-10-27 03:28:11,987 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2020-10-27 03:28:11,988 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2020-10-27 03:28:11,988 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__base [2020-10-27 03:28:11,989 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__highWaterSensor [2020-10-27 03:28:11,989 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment [2020-10-27 03:28:11,990 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump [2020-10-27 03:28:11,990 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivatePump [2020-10-27 03:28:11,990 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneAlarm [2020-10-27 03:28:11,990 INFO L138 BoogieDeclarations]: Found implementation of procedure isPumpRunning [2020-10-27 03:28:11,990 INFO L138 BoogieDeclarations]: Found implementation of procedure printPump [2020-10-27 03:28:11,990 INFO L138 BoogieDeclarations]: Found implementation of procedure isHighWaterLevel [2020-10-27 03:28:11,991 INFO L138 BoogieDeclarations]: Found implementation of procedure stopSystem [2020-10-27 03:28:11,991 INFO L138 BoogieDeclarations]: Found implementation of procedure startSystem [2020-10-27 03:28:11,992 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_set [2020-10-27 03:28:11,992 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_free [2020-10-27 03:28:11,992 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_reset [2020-10-27 03:28:11,992 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__error_stack_mgt [2020-10-27 03:28:11,992 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_arg [2020-10-27 03:28:11,992 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_argtype [2020-10-27 03:28:11,993 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2020-10-27 03:28:11,993 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2020-10-27 03:28:11,993 INFO L138 BoogieDeclarations]: Found implementation of procedure Specification2 [2020-10-27 03:28:11,993 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2020-10-27 03:28:11,993 INFO L138 BoogieDeclarations]: Found implementation of procedure runTest [2020-10-27 03:28:11,994 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-10-27 03:28:11,994 INFO L138 BoogieDeclarations]: Found implementation of procedure select_one [2020-10-27 03:28:11,994 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2020-10-27 03:28:11,994 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2020-10-27 03:28:11,994 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2020-10-27 03:28:11,994 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2020-10-27 03:28:11,994 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2020-10-27 03:28:11,995 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error [2020-10-27 03:28:11,995 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-10-27 03:28:11,995 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2020-10-27 03:28:11,995 INFO L130 BoogieDeclarations]: Found specification of procedure printf [2020-10-27 03:28:11,995 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2020-10-27 03:28:11,995 INFO L130 BoogieDeclarations]: Found specification of procedure isPumpRunning [2020-10-27 03:28:11,995 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2020-10-27 03:28:11,996 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification2_spec__1 [2020-10-27 03:28:11,996 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification2_spec__2 [2020-10-27 03:28:11,996 INFO L130 BoogieDeclarations]: Found specification of procedure lowerWaterLevel [2020-10-27 03:28:11,997 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2020-10-27 03:28:11,997 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2020-10-27 03:28:11,997 INFO L130 BoogieDeclarations]: Found specification of procedure getWaterLevel [2020-10-27 03:28:11,997 INFO L130 BoogieDeclarations]: Found specification of procedure printEnvironment [2020-10-27 03:28:11,997 INFO L130 BoogieDeclarations]: Found specification of procedure isHighWaterSensorDry [2020-10-27 03:28:11,997 INFO L130 BoogieDeclarations]: Found specification of procedure startSystem [2020-10-27 03:28:11,998 INFO L130 BoogieDeclarations]: Found specification of procedure stopSystem [2020-10-27 03:28:11,998 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2020-10-27 03:28:11,998 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2020-10-27 03:28:11,999 INFO L130 BoogieDeclarations]: Found specification of procedure test [2020-10-27 03:28:11,999 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump [2020-10-27 03:28:11,999 INFO L130 BoogieDeclarations]: Found specification of procedure deactivatePump [2020-10-27 03:28:11,999 INFO L130 BoogieDeclarations]: Found specification of procedure printPump [2020-10-27 03:28:11,999 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment [2020-10-27 03:28:11,999 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__base [2020-10-27 03:28:11,999 INFO L130 BoogieDeclarations]: Found specification of procedure isHighWaterLevel [2020-10-27 03:28:12,000 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__highWaterSensor [2020-10-27 03:28:12,000 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneAlarm [2020-10-27 03:28:12,002 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2020-10-27 03:28:12,002 INFO L130 BoogieDeclarations]: Found specification of procedure free [2020-10-27 03:28:12,002 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_set [2020-10-27 03:28:12,003 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2020-10-27 03:28:12,003 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2020-10-27 03:28:12,003 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-10-27 03:28:12,003 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2020-10-27 03:28:12,003 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_free [2020-10-27 03:28:12,003 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-10-27 03:28:12,003 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_reset [2020-10-27 03:28:12,004 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~X~int~TO~int [2020-10-27 03:28:12,005 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2020-10-27 03:28:12,005 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__error_stack_mgt [2020-10-27 03:28:12,005 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_arg [2020-10-27 03:28:12,005 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_argtype [2020-10-27 03:28:12,005 INFO L130 BoogieDeclarations]: Found specification of procedure Specification2 [2020-10-27 03:28:12,005 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2020-10-27 03:28:12,005 INFO L130 BoogieDeclarations]: Found specification of procedure runTest [2020-10-27 03:28:12,006 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2020-10-27 03:28:12,006 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2020-10-27 03:28:12,006 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2020-10-27 03:28:12,006 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-10-27 03:28:12,006 INFO L130 BoogieDeclarations]: Found specification of procedure select_one [2020-10-27 03:28:12,006 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-10-27 03:28:12,006 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-10-27 03:28:12,006 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-10-27 03:28:13,337 INFO L293 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-10-27 03:28:13,337 INFO L298 CfgBuilder]: Removed 5 assume(true) statements. [2020-10-27 03:28:13,340 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 27.10 03:28:13 BoogieIcfgContainer [2020-10-27 03:28:13,340 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-10-27 03:28:13,342 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-10-27 03:28:13,342 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-10-27 03:28:13,345 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-10-27 03:28:13,346 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 27.10 03:28:10" (1/3) ... [2020-10-27 03:28:13,347 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2aaace28 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 27.10 03:28:13, skipping insertion in model container [2020-10-27 03:28:13,347 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 03:28:11" (2/3) ... [2020-10-27 03:28:13,347 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2aaace28 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 27.10 03:28:13, skipping insertion in model container [2020-10-27 03:28:13,347 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 27.10 03:28:13" (3/3) ... [2020-10-27 03:28:13,349 INFO L111 eAbstractionObserver]: Analyzing ICFG minepump_spec2_product40.cil.c [2020-10-27 03:28:13,361 INFO L164 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:Craig_NestedInterpolation Determinization: PREDICATE_ABSTRACTION [2020-10-27 03:28:13,366 INFO L176 ceAbstractionStarter]: Appying trace abstraction to program that has 5 error locations. [2020-10-27 03:28:13,380 INFO L253 AbstractCegarLoop]: Starting to check reachability of 5 error locations. [2020-10-27 03:28:13,408 INFO L377 AbstractCegarLoop]: Interprodecural is true [2020-10-27 03:28:13,409 INFO L378 AbstractCegarLoop]: Hoare is true [2020-10-27 03:28:13,409 INFO L379 AbstractCegarLoop]: Compute interpolants for Craig_NestedInterpolation [2020-10-27 03:28:13,409 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-10-27 03:28:13,409 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-10-27 03:28:13,409 INFO L382 AbstractCegarLoop]: Difference is false [2020-10-27 03:28:13,409 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-10-27 03:28:13,409 INFO L387 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-10-27 03:28:13,432 INFO L276 IsEmpty]: Start isEmpty. Operand 185 states. [2020-10-27 03:28:13,442 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2020-10-27 03:28:13,442 INFO L414 BasicCegarLoop]: Found error trace [2020-10-27 03:28:13,443 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] [2020-10-27 03:28:13,443 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]=== [2020-10-27 03:28:13,450 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-27 03:28:13,450 INFO L82 PathProgramCache]: Analyzing trace with hash -1208296016, now seen corresponding path program 1 times [2020-10-27 03:28:13,460 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-27 03:28:13,461 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [270015716] [2020-10-27 03:28:13,464 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-27 03:28:13,740 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 03:28:13,830 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:28:14,001 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:28:14,515 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:28:16,046 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:28:16,601 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:28:18,764 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 03:28:18,766 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 86 [2020-10-27 03:28:18,766 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 5 [2020-10-27 03:28:18,766 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5019 [2020-10-27 03:28:18,769 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 03:28:18,777 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 8 [2020-10-27 03:28:18,777 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-27 03:28:18,778 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 53 [2020-10-27 03:28:18,778 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 11 [2020-10-27 03:28:19,253 WARN L193 SmtUtils]: Spent 366.00 ms on a formula simplification that was a NOOP. DAG size: 205 [2020-10-27 03:28:19,256 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-27 03:28:19,292 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 03:28:19,315 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:28:19,409 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 03:28:19,410 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 03:28:19,410 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 03:28:19,410 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 116 [2020-10-27 03:28:19,410 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 03:28:19,410 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 03:28:19,411 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 03:28:19,411 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-10-27 03:28:19,411 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 03:28:19,441 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-27 03:28:19,447 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 03:28:19,449 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:28:19,453 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 03:28:19,453 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-27 03:28:19,453 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 03:28:19,453 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-27 03:28:19,454 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 03:28:19,454 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 03:28:19,454 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 03:28:19,454 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-10-27 03:28:19,454 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 03:28:19,458 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-10-27 03:28:19,461 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 03:28:19,463 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:28:19,466 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 03:28:19,467 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-27 03:28:19,467 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 03:28:19,467 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-27 03:28:19,467 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 03:28:19,467 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 03:28:19,468 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 03:28:19,468 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-10-27 03:28:19,468 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 03:28:19,470 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-27 03:28:19,473 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 03:28:19,480 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:28:19,485 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 03:28:19,485 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 03:28:19,485 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 03:28:19,485 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 10 [2020-10-27 03:28:19,486 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 03:28:19,486 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 03:28:19,486 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 03:28:19,486 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-27 03:28:19,486 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 03:28:19,491 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-10-27 03:28:19,503 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 03:28:19,504 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:28:19,506 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 03:28:19,506 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-27 03:28:19,507 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 03:28:19,507 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-27 03:28:19,507 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 03:28:19,507 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 03:28:19,508 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 03:28:19,508 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-10-27 03:28:19,508 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 03:28:19,519 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2020-10-27 03:28:19,521 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 03:28:19,522 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:28:19,525 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 03:28:19,525 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 03:28:19,526 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 03:28:19,526 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-27 03:28:19,526 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 03:28:19,526 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 03:28:19,526 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 03:28:19,527 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-27 03:28:19,527 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 03:28:19,530 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2020-10-27 03:28:19,532 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 03:28:19,534 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:28:19,536 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 03:28:19,537 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 03:28:19,537 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 03:28:19,537 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-27 03:28:19,538 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 03:28:19,538 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 03:28:19,538 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-27 03:28:19,538 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 03:28:19,538 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 03:28:19,540 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 42 [2020-10-27 03:28:19,541 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 03:28:19,542 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:28:19,543 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 03:28:19,543 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 03:28:19,544 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 03:28:19,544 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 03:28:19,544 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 03:28:19,544 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 03:28:19,544 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-27 03:28:19,545 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 03:28:19,545 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 03:28:19,563 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-27 03:28:19,564 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [270015716] [2020-10-27 03:28:19,567 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-27 03:28:19,567 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2020-10-27 03:28:19,568 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [739921871] [2020-10-27 03:28:19,575 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-10-27 03:28:19,575 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-27 03:28:19,590 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-10-27 03:28:19,591 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-10-27 03:28:19,594 INFO L87 Difference]: Start difference. First operand 185 states. Second operand 5 states. [2020-10-27 03:28:20,172 WARN L193 SmtUtils]: Spent 376.00 ms on a formula simplification that was a NOOP. DAG size: 207 [2020-10-27 03:28:22,830 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-27 03:28:22,831 INFO L93 Difference]: Finished difference Result 449 states and 593 transitions. [2020-10-27 03:28:22,835 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2020-10-27 03:28:22,837 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 52 [2020-10-27 03:28:22,837 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-27 03:28:22,854 INFO L225 Difference]: With dead ends: 449 [2020-10-27 03:28:22,855 INFO L226 Difference]: Without dead ends: 297 [2020-10-27 03:28:22,860 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 24 GetRequests, 19 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.8s TimeCoverageRelationStatistics Valid=18, Invalid=24, Unknown=0, NotChecked=0, Total=42 [2020-10-27 03:28:22,877 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 297 states. [2020-10-27 03:28:23,028 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 297 to 239. [2020-10-27 03:28:23,030 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 239 states. [2020-10-27 03:28:23,033 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 239 states to 239 states and 290 transitions. [2020-10-27 03:28:23,035 INFO L78 Accepts]: Start accepts. Automaton has 239 states and 290 transitions. Word has length 52 [2020-10-27 03:28:23,035 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-27 03:28:23,035 INFO L481 AbstractCegarLoop]: Abstraction has 239 states and 290 transitions. [2020-10-27 03:28:23,035 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-10-27 03:28:23,036 INFO L276 IsEmpty]: Start isEmpty. Operand 239 states and 290 transitions. [2020-10-27 03:28:23,040 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 64 [2020-10-27 03:28:23,040 INFO L414 BasicCegarLoop]: Found error trace [2020-10-27 03:28:23,041 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] [2020-10-27 03:28:23,041 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-10-27 03:28:23,041 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]=== [2020-10-27 03:28:23,042 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-27 03:28:23,042 INFO L82 PathProgramCache]: Analyzing trace with hash -1776626555, now seen corresponding path program 1 times [2020-10-27 03:28:23,042 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-27 03:28:23,043 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [2102348935] [2020-10-27 03:28:23,043 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-27 03:28:23,077 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 03:28:23,099 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:28:23,660 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:28:24,078 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:28:24,218 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:28:25,294 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:28:28,096 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 03:28:28,096 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 97 [2020-10-27 03:28:28,097 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 5 [2020-10-27 03:28:28,097 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5017 [2020-10-27 03:28:28,097 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 03:28:28,097 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 11 [2020-10-27 03:28:28,098 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-27 03:28:28,098 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 76 [2020-10-27 03:28:28,098 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 03:28:28,567 WARN L193 SmtUtils]: Spent 357.00 ms on a formula simplification that was a NOOP. DAG size: 205 [2020-10-27 03:28:28,569 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-27 03:28:28,592 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 03:28:28,607 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:28:28,680 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 03:28:28,680 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 03:28:28,681 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 03:28:28,681 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 87 [2020-10-27 03:28:28,681 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 03:28:28,681 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 03:28:28,681 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 03:28:28,682 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-10-27 03:28:28,682 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 03:28:28,699 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-27 03:28:28,700 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 03:28:28,701 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:28:28,702 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 03:28:28,703 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-27 03:28:28,703 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 03:28:28,703 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 03:28:28,703 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 03:28:28,703 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 03:28:28,703 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 03:28:28,704 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-10-27 03:28:28,704 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 03:28:28,705 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-10-27 03:28:28,706 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 03:28:28,707 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:28:28,708 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 03:28:28,709 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-27 03:28:28,709 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 03:28:28,709 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 03:28:28,709 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 03:28:28,709 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 03:28:28,709 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 03:28:28,710 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-10-27 03:28:28,710 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 03:28:28,711 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-27 03:28:28,712 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 03:28:28,713 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:28:28,715 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 03:28:28,715 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 03:28:28,715 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 03:28:28,715 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-27 03:28:28,715 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 03:28:28,716 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 03:28:28,716 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 03:28:28,716 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-27 03:28:28,716 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 03:28:28,718 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-10-27 03:28:28,719 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 03:28:28,720 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:28:28,721 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 03:28:28,721 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-27 03:28:28,721 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 03:28:28,721 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 03:28:28,721 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 03:28:28,722 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 03:28:28,722 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 03:28:28,722 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-10-27 03:28:28,722 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 03:28:28,735 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2020-10-27 03:28:28,737 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 03:28:28,738 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:28:28,739 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 03:28:28,740 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 03:28:28,740 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 03:28:28,740 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-27 03:28:28,740 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 03:28:28,740 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 03:28:28,740 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 03:28:28,741 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-27 03:28:28,741 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 03:28:28,757 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-10-27 03:28:28,759 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 03:28:28,760 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:28:28,762 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 03:28:28,762 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 03:28:28,762 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 03:28:28,762 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-27 03:28:28,763 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 03:28:28,763 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 03:28:28,763 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 03:28:28,763 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-27 03:28:28,763 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 03:28:28,765 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2020-10-27 03:28:28,766 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 03:28:28,767 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:28:28,770 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 03:28:28,771 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 03:28:28,771 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 03:28:28,771 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-27 03:28:28,771 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 03:28:28,771 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-27 03:28:28,771 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 03:28:28,772 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-27 03:28:28,772 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 03:28:28,792 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 53 [2020-10-27 03:28:28,793 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 03:28:28,794 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:28:28,795 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 03:28:28,795 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 03:28:28,795 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 03:28:28,796 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 03:28:28,796 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 03:28:28,796 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 03:28:28,796 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-27 03:28:28,796 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 03:28:28,796 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 03:28:28,810 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-27 03:28:28,811 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [2102348935] [2020-10-27 03:28:28,811 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-27 03:28:28,811 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2020-10-27 03:28:28,812 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1906114331] [2020-10-27 03:28:28,813 INFO L461 AbstractCegarLoop]: Interpolant automaton has 9 states [2020-10-27 03:28:28,813 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-27 03:28:28,814 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2020-10-27 03:28:28,814 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=55, Unknown=0, NotChecked=0, Total=72 [2020-10-27 03:28:28,814 INFO L87 Difference]: Start difference. First operand 239 states and 290 transitions. Second operand 9 states. [2020-10-27 03:28:29,548 WARN L193 SmtUtils]: Spent 404.00 ms on a formula simplification that was a NOOP. DAG size: 207 [2020-10-27 03:28:30,892 WARN L193 SmtUtils]: Spent 380.00 ms on a formula simplification that was a NOOP. DAG size: 210 [2020-10-27 03:28:31,926 WARN L193 SmtUtils]: Spent 378.00 ms on a formula simplification that was a NOOP. DAG size: 208 [2020-10-27 03:28:32,351 WARN L193 SmtUtils]: Spent 386.00 ms on a formula simplification that was a NOOP. DAG size: 209 [2020-10-27 03:28:32,816 WARN L193 SmtUtils]: Spent 399.00 ms on a formula simplification that was a NOOP. DAG size: 212 [2020-10-27 03:28:35,027 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-27 03:28:35,027 INFO L93 Difference]: Finished difference Result 793 states and 1070 transitions. [2020-10-27 03:28:35,027 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2020-10-27 03:28:35,028 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 63 [2020-10-27 03:28:35,028 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-27 03:28:35,037 INFO L225 Difference]: With dead ends: 793 [2020-10-27 03:28:35,037 INFO L226 Difference]: Without dead ends: 550 [2020-10-27 03:28:35,042 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 39 GetRequests, 21 SyntacticMatches, 0 SemanticMatches, 18 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 49 ImplicationChecksByTransitivity, 2.5s TimeCoverageRelationStatistics Valid=105, Invalid=275, Unknown=0, NotChecked=0, Total=380 [2020-10-27 03:28:35,044 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 550 states. [2020-10-27 03:28:35,234 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 550 to 414. [2020-10-27 03:28:35,234 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 414 states. [2020-10-27 03:28:35,238 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 414 states to 414 states and 505 transitions. [2020-10-27 03:28:35,238 INFO L78 Accepts]: Start accepts. Automaton has 414 states and 505 transitions. Word has length 63 [2020-10-27 03:28:35,239 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-27 03:28:35,239 INFO L481 AbstractCegarLoop]: Abstraction has 414 states and 505 transitions. [2020-10-27 03:28:35,239 INFO L482 AbstractCegarLoop]: Interpolant automaton has 9 states. [2020-10-27 03:28:35,239 INFO L276 IsEmpty]: Start isEmpty. Operand 414 states and 505 transitions. [2020-10-27 03:28:35,243 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 68 [2020-10-27 03:28:35,244 INFO L414 BasicCegarLoop]: Found error trace [2020-10-27 03:28:35,244 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] [2020-10-27 03:28:35,244 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-10-27 03:28:35,244 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]=== [2020-10-27 03:28:35,245 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-27 03:28:35,245 INFO L82 PathProgramCache]: Analyzing trace with hash 577415721, now seen corresponding path program 1 times [2020-10-27 03:28:35,245 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-27 03:28:35,246 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [239745235] [2020-10-27 03:28:35,246 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-27 03:28:35,275 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 03:28:35,299 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:28:35,481 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:28:35,791 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:28:36,305 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:28:39,758 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 03:28:39,759 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 103 [2020-10-27 03:28:39,759 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 4 [2020-10-27 03:28:39,759 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4482 [2020-10-27 03:28:39,759 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 03:28:39,760 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 15 [2020-10-27 03:28:39,760 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-27 03:28:39,760 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 90 [2020-10-27 03:28:39,760 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 03:28:40,167 WARN L193 SmtUtils]: Spent 288.00 ms on a formula simplification that was a NOOP. DAG size: 205 [2020-10-27 03:28:40,168 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-27 03:28:40,185 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 03:28:40,195 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:28:40,251 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 03:28:40,251 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 03:28:40,251 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 03:28:40,251 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 65 [2020-10-27 03:28:40,252 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 03:28:40,252 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 03:28:40,252 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 03:28:40,252 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-10-27 03:28:40,252 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 03:28:40,282 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-27 03:28:40,283 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 03:28:40,284 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:28:40,285 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 03:28:40,285 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-27 03:28:40,285 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 03:28:40,285 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 03:28:40,286 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 03:28:40,286 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 03:28:40,286 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 03:28:40,287 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-10-27 03:28:40,287 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-27 03:28:40,288 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-10-27 03:28:40,289 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 03:28:40,290 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:28:40,292 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 03:28:40,292 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-27 03:28:40,292 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 03:28:40,292 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-27 03:28:40,292 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 03:28:40,292 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 03:28:40,293 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 03:28:40,293 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-10-27 03:28:40,293 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 03:28:40,294 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-27 03:28:40,296 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 03:28:40,297 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:28:40,299 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 03:28:40,300 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 03:28:40,300 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 03:28:40,300 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-27 03:28:40,300 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 03:28:40,300 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 03:28:40,300 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 03:28:40,301 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-27 03:28:40,301 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 03:28:40,302 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-10-27 03:28:40,304 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 03:28:40,305 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:28:40,306 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 03:28:40,306 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-27 03:28:40,306 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 03:28:40,307 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 03:28:40,308 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 03:28:40,308 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 03:28:40,308 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 03:28:40,308 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-10-27 03:28:40,308 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 03:28:40,323 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2020-10-27 03:28:40,326 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 03:28:40,327 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:28:40,329 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 03:28:40,329 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 03:28:40,329 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 03:28:40,329 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-27 03:28:40,329 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 03:28:40,330 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 03:28:40,330 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 03:28:40,330 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-27 03:28:40,330 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 03:28:40,345 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2020-10-27 03:28:40,347 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 03:28:40,348 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:28:40,350 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 03:28:40,351 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 03:28:40,351 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 03:28:40,351 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-27 03:28:40,351 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 03:28:40,351 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 03:28:40,351 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 03:28:40,352 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-27 03:28:40,352 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 03:28:40,368 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2020-10-27 03:28:40,369 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 03:28:40,370 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:28:40,372 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:28:40,375 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 03:28:40,376 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 03:28:40,376 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-27 03:28:40,376 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-27 03:28:40,376 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 03:28:40,376 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-27 03:28:40,376 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-27 03:28:40,376 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 9 [2020-10-27 03:28:40,377 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 03:28:40,391 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2020-10-27 03:28:40,393 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 03:28:40,393 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:28:40,396 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 03:28:40,396 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 03:28:40,396 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 03:28:40,396 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-27 03:28:40,396 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 03:28:40,397 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 03:28:40,397 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 03:28:40,397 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-27 03:28:40,397 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 03:28:40,398 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 57 [2020-10-27 03:28:40,408 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 03:28:40,408 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:28:40,410 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 03:28:40,411 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 03:28:40,411 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 03:28:40,411 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-27 03:28:40,411 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 03:28:40,411 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-27 03:28:40,411 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 03:28:40,411 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-27 03:28:40,411 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 03:28:40,442 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-27 03:28:40,443 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [239745235] [2020-10-27 03:28:40,443 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-27 03:28:40,443 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2020-10-27 03:28:40,444 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2071090857] [2020-10-27 03:28:40,444 INFO L461 AbstractCegarLoop]: Interpolant automaton has 11 states [2020-10-27 03:28:40,444 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-27 03:28:40,445 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2020-10-27 03:28:40,445 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=24, Invalid=86, Unknown=0, NotChecked=0, Total=110 [2020-10-27 03:28:40,445 INFO L87 Difference]: Start difference. First operand 414 states and 505 transitions. Second operand 11 states. [2020-10-27 03:28:41,114 WARN L193 SmtUtils]: Spent 399.00 ms on a formula simplification that was a NOOP. DAG size: 207 [2020-10-27 03:28:42,969 WARN L193 SmtUtils]: Spent 727.00 ms on a formula simplification. DAG size of input: 211 DAG size of output: 209 [2020-10-27 03:28:43,441 WARN L193 SmtUtils]: Spent 397.00 ms on a formula simplification that was a NOOP. DAG size: 209 [2020-10-27 03:28:43,906 WARN L193 SmtUtils]: Spent 380.00 ms on a formula simplification that was a NOOP. DAG size: 209 [2020-10-27 03:28:44,939 WARN L193 SmtUtils]: Spent 370.00 ms on a formula simplification that was a NOOP. DAG size: 211 [2020-10-27 03:28:48,033 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-27 03:28:48,033 INFO L93 Difference]: Finished difference Result 1377 states and 1986 transitions. [2020-10-27 03:28:48,034 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 32 states. [2020-10-27 03:28:48,034 INFO L78 Accepts]: Start accepts. Automaton has 11 states. Word has length 67 [2020-10-27 03:28:48,035 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-27 03:28:48,048 INFO L225 Difference]: With dead ends: 1377 [2020-10-27 03:28:48,048 INFO L226 Difference]: Without dead ends: 991 [2020-10-27 03:28:48,054 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 60 GetRequests, 24 SyntacticMatches, 0 SemanticMatches, 36 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 374 ImplicationChecksByTransitivity, 3.2s TimeCoverageRelationStatistics Valid=359, Invalid=1047, Unknown=0, NotChecked=0, Total=1406 [2020-10-27 03:28:48,056 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 991 states. [2020-10-27 03:28:48,254 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 991 to 682. [2020-10-27 03:28:48,254 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 682 states. [2020-10-27 03:28:48,259 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 682 states to 682 states and 851 transitions. [2020-10-27 03:28:48,260 INFO L78 Accepts]: Start accepts. Automaton has 682 states and 851 transitions. Word has length 67 [2020-10-27 03:28:48,261 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-27 03:28:48,261 INFO L481 AbstractCegarLoop]: Abstraction has 682 states and 851 transitions. [2020-10-27 03:28:48,261 INFO L482 AbstractCegarLoop]: Interpolant automaton has 11 states. [2020-10-27 03:28:48,261 INFO L276 IsEmpty]: Start isEmpty. Operand 682 states and 851 transitions. [2020-10-27 03:28:48,265 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 91 [2020-10-27 03:28:48,266 INFO L414 BasicCegarLoop]: Found error trace [2020-10-27 03:28:48,266 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] [2020-10-27 03:28:48,266 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-10-27 03:28:48,266 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]=== [2020-10-27 03:28:48,267 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-27 03:28:48,267 INFO L82 PathProgramCache]: Analyzing trace with hash -1839376681, now seen corresponding path program 1 times [2020-10-27 03:28:48,267 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-27 03:28:48,268 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1341209389] [2020-10-27 03:28:48,268 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-27 03:28:48,302 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 03:28:48,322 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:28:48,466 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:28:49,624 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 03:28:49,624 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 134 [2020-10-27 03:28:49,624 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-27 03:28:49,625 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1320 [2020-10-27 03:28:49,625 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 03:28:49,625 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 8 [2020-10-27 03:28:49,625 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 41 [2020-10-27 03:28:49,625 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 86 [2020-10-27 03:28:49,625 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 03:28:50,049 WARN L193 SmtUtils]: Spent 365.00 ms on a formula simplification that was a NOOP. DAG size: 205 [2020-10-27 03:28:50,050 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-27 03:28:50,058 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 03:28:50,061 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:28:50,110 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 03:28:50,110 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 03:28:50,110 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 03:28:50,111 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 51 [2020-10-27 03:28:50,111 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 03:28:50,111 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 03:28:50,113 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 03:28:50,114 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 03:28:50,114 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 3 [2020-10-27 03:28:50,126 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-27 03:28:50,127 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 03:28:50,128 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:28:50,129 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 03:28:50,129 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-27 03:28:50,129 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 03:28:50,129 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-27 03:28:50,129 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 03:28:50,129 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 03:28:50,130 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 03:28:50,130 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 03:28:50,130 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 03:28:50,131 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-10-27 03:28:50,132 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 03:28:50,133 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:28:50,133 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 03:28:50,133 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-27 03:28:50,134 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 03:28:50,134 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-27 03:28:50,134 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 03:28:50,134 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 03:28:50,134 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 03:28:50,134 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 03:28:50,135 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 03:28:50,135 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-27 03:28:50,140 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 03:28:50,140 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:28:50,141 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 03:28:50,141 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 03:28:50,142 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 03:28:50,142 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 03:28:50,142 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 03:28:50,142 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 03:28:50,142 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 03:28:50,142 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 03:28:50,143 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 03:28:50,144 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-10-27 03:28:50,144 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 03:28:50,145 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:28:50,147 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 03:28:50,147 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-27 03:28:50,147 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 03:28:50,147 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 03:28:50,147 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 03:28:50,147 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 03:28:50,148 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 03:28:50,148 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 03:28:50,148 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 03:28:50,165 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2020-10-27 03:28:50,166 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 03:28:50,167 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:28:50,168 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 03:28:50,168 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 03:28:50,169 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 03:28:50,169 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 03:28:50,169 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 03:28:50,169 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 03:28:50,169 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 03:28:50,169 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-10-27 03:28:50,170 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 03:28:50,181 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2020-10-27 03:28:50,183 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 03:28:50,184 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:28:50,185 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 03:28:50,185 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 03:28:50,186 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 03:28:50,186 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 03:28:50,186 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 03:28:50,186 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 03:28:50,186 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 03:28:50,186 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-27 03:28:50,187 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 03:28:50,199 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2020-10-27 03:28:50,202 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 03:28:50,211 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:28:50,230 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:28:50,249 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 03:28:50,250 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 40 [2020-10-27 03:28:50,250 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-27 03:28:50,250 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 46 [2020-10-27 03:28:50,250 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 03:28:50,251 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 03:28:50,251 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 03:28:50,251 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 37 [2020-10-27 03:28:50,251 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 03:28:50,255 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-27 03:28:50,256 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 03:28:50,257 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:28:50,259 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:28:50,276 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 03:28:50,276 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 33 [2020-10-27 03:28:50,276 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-27 03:28:50,277 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 19 [2020-10-27 03:28:50,277 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 03:28:50,277 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 03:28:50,277 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 03:28:50,277 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 03:28:50,277 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 03:28:50,280 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-27 03:28:50,281 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 03:28:50,284 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:28:50,286 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:28:50,296 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 03:28:50,296 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 18 [2020-10-27 03:28:50,296 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-27 03:28:50,297 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 12 [2020-10-27 03:28:50,297 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 03:28:50,297 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 03:28:50,297 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 03:28:50,297 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 03:28:50,297 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 03:28:50,300 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 03:28:50,303 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 03:28:50,304 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:28:50,304 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 03:28:50,305 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 03:28:50,305 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 03:28:50,305 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 03:28:50,305 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 03:28:50,305 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 03:28:50,306 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 03:28:50,306 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 03:28:50,306 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 03:28:50,307 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2020-10-27 03:28:50,309 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 03:28:50,310 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:28:50,311 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 03:28:50,311 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 03:28:50,311 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 03:28:50,311 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 03:28:50,312 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 03:28:50,312 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 03:28:50,312 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 03:28:50,312 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 03:28:50,312 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 03:28:50,315 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 74 [2020-10-27 03:28:50,322 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 03:28:50,323 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:28:50,324 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 03:28:50,324 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 03:28:50,325 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 03:28:50,325 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 03:28:50,325 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 03:28:50,325 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 03:28:50,325 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 03:28:50,325 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-27 03:28:50,326 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 03:28:50,328 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2020-10-27 03:28:50,329 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 03:28:50,334 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:28:50,335 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 03:28:50,336 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 03:28:50,336 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 03:28:50,336 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-27 03:28:50,336 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 03:28:50,336 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 03:28:50,336 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 03:28:50,337 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-27 03:28:50,337 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 03:28:50,360 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-27 03:28:50,360 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1341209389] [2020-10-27 03:28:50,361 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-27 03:28:50,361 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2020-10-27 03:28:50,361 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [973215906] [2020-10-27 03:28:50,363 INFO L461 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-10-27 03:28:50,363 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-27 03:28:50,364 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-10-27 03:28:50,364 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2020-10-27 03:28:50,364 INFO L87 Difference]: Start difference. First operand 682 states and 851 transitions. Second operand 7 states. [2020-10-27 03:28:50,908 WARN L193 SmtUtils]: Spent 367.00 ms on a formula simplification that was a NOOP. DAG size: 207 [2020-10-27 03:28:54,653 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-27 03:28:54,653 INFO L93 Difference]: Finished difference Result 1711 states and 2482 transitions. [2020-10-27 03:28:54,656 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2020-10-27 03:28:54,656 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 90 [2020-10-27 03:28:54,657 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-27 03:28:54,672 INFO L225 Difference]: With dead ends: 1711 [2020-10-27 03:28:54,672 INFO L226 Difference]: Without dead ends: 1707 [2020-10-27 03:28:54,674 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 50 GetRequests, 34 SyntacticMatches, 0 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 57 ImplicationChecksByTransitivity, 0.9s TimeCoverageRelationStatistics Valid=100, Invalid=206, Unknown=0, NotChecked=0, Total=306 [2020-10-27 03:28:54,676 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1707 states. [2020-10-27 03:28:55,001 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1707 to 1201. [2020-10-27 03:28:55,001 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1201 states. [2020-10-27 03:28:55,008 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1201 states to 1201 states and 1514 transitions. [2020-10-27 03:28:55,009 INFO L78 Accepts]: Start accepts. Automaton has 1201 states and 1514 transitions. Word has length 90 [2020-10-27 03:28:55,010 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-27 03:28:55,010 INFO L481 AbstractCegarLoop]: Abstraction has 1201 states and 1514 transitions. [2020-10-27 03:28:55,010 INFO L482 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-10-27 03:28:55,010 INFO L276 IsEmpty]: Start isEmpty. Operand 1201 states and 1514 transitions. [2020-10-27 03:28:55,016 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 145 [2020-10-27 03:28:55,017 INFO L414 BasicCegarLoop]: Found error trace [2020-10-27 03:28:55,017 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-27 03:28:55,018 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2020-10-27 03:28:55,018 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]=== [2020-10-27 03:28:55,018 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-27 03:28:55,018 INFO L82 PathProgramCache]: Analyzing trace with hash -570889534, now seen corresponding path program 1 times [2020-10-27 03:28:55,019 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-27 03:28:55,019 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1209349485] [2020-10-27 03:28:55,019 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-27 03:28:55,052 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 03:28:55,080 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:28:55,133 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:28:55,172 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:28:55,210 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:28:55,259 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:28:55,295 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:28:55,918 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:29:00,065 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 03:29:00,066 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 208 [2020-10-27 03:29:00,066 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 7 [2020-10-27 03:29:00,066 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5010 [2020-10-27 03:29:00,066 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 03:29:00,066 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 03:29:00,066 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 47 [2020-10-27 03:29:00,067 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 46 [2020-10-27 03:29:00,067 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 03:29:00,461 WARN L193 SmtUtils]: Spent 352.00 ms on a formula simplification that was a NOOP. DAG size: 205 [2020-10-27 03:29:00,462 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-27 03:29:00,473 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 03:29:00,476 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:29:00,499 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 03:29:00,500 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 03:29:00,500 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 03:29:00,500 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 25 [2020-10-27 03:29:00,500 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 03:29:00,500 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 03:29:00,501 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 03:29:00,501 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 03:29:00,501 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 03:29:00,512 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-27 03:29:00,513 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 03:29:00,514 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:29:00,515 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 03:29:00,515 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-27 03:29:00,515 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 03:29:00,515 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-27 03:29:00,515 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 03:29:00,516 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 03:29:00,516 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 03:29:00,516 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 03:29:00,516 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 03:29:00,517 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-10-27 03:29:00,518 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 03:29:00,518 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:29:00,519 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 03:29:00,519 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-27 03:29:00,519 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 03:29:00,519 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-27 03:29:00,520 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 03:29:00,520 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 03:29:00,520 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 03:29:00,520 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 03:29:00,520 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 03:29:00,521 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-27 03:29:00,522 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 03:29:00,522 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:29:00,523 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 03:29:00,523 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 03:29:00,523 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 03:29:00,523 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-27 03:29:00,524 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 03:29:00,524 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 03:29:00,524 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 03:29:00,524 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 03:29:00,524 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 03:29:00,525 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-10-27 03:29:00,526 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 03:29:00,526 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:29:00,527 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 03:29:00,527 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-27 03:29:00,527 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 03:29:00,527 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-27 03:29:00,527 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 03:29:00,528 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 03:29:00,528 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 03:29:00,528 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 03:29:00,528 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 03:29:00,542 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2020-10-27 03:29:00,544 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 03:29:00,544 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:29:00,545 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 03:29:00,545 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 03:29:00,545 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 03:29:00,546 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 03:29:00,546 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 03:29:00,546 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 03:29:00,546 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 03:29:00,546 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 03:29:00,546 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 03:29:00,557 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2020-10-27 03:29:00,559 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 03:29:00,560 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:29:00,561 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 03:29:00,562 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 03:29:00,562 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 03:29:00,562 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-27 03:29:00,562 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 03:29:00,562 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 03:29:00,562 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 03:29:00,563 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-27 03:29:00,563 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 03:29:00,578 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2020-10-27 03:29:00,580 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 03:29:00,581 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:29:00,582 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 03:29:00,582 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 03:29:00,583 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 03:29:00,583 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-27 03:29:00,583 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 03:29:00,583 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 03:29:00,583 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 03:29:00,583 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-27 03:29:00,583 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 03:29:00,602 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2020-10-27 03:29:00,605 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 03:29:00,607 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:29:00,611 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 03:29:00,611 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 23 [2020-10-27 03:29:00,611 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 03:29:00,612 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-27 03:29:00,612 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 03:29:00,612 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 03:29:00,612 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 03:29:00,612 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 20 [2020-10-27 03:29:00,612 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 03:29:00,616 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-27 03:29:00,617 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 03:29:00,617 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:29:00,619 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 03:29:00,620 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 16 [2020-10-27 03:29:00,620 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 03:29:00,620 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-27 03:29:00,620 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 03:29:00,620 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 03:29:00,621 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 03:29:00,621 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 03:29:00,621 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 03:29:00,622 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 03:29:00,623 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 03:29:00,624 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:29:00,625 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 03:29:00,625 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 03:29:00,625 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 03:29:00,625 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 03:29:00,625 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 03:29:00,626 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 03:29:00,626 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 03:29:00,626 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 03:29:00,626 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 03:29:00,627 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2020-10-27 03:29:00,636 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 03:29:00,639 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:29:00,652 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:29:00,665 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 03:29:00,666 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 70 [2020-10-27 03:29:00,666 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-27 03:29:00,666 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 28 [2020-10-27 03:29:00,666 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 03:29:00,666 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-27 03:29:00,667 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 22 [2020-10-27 03:29:00,667 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-27 03:29:00,667 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 03:29:00,685 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-27 03:29:00,688 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 03:29:00,690 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:29:00,702 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 03:29:00,703 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 40 [2020-10-27 03:29:00,703 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 03:29:00,703 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 13 [2020-10-27 03:29:00,703 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 03:29:00,703 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-27 03:29:00,704 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 17 [2020-10-27 03:29:00,704 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-27 03:29:00,704 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 03:29:00,708 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-27 03:29:00,711 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 03:29:00,713 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:29:00,725 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 03:29:00,725 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 33 [2020-10-27 03:29:00,726 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 03:29:00,726 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 13 [2020-10-27 03:29:00,726 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 03:29:00,726 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-27 03:29:00,726 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 12 [2020-10-27 03:29:00,727 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-27 03:29:00,727 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 03:29:00,731 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-27 03:29:00,732 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 03:29:00,734 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:29:00,741 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 03:29:00,741 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 18 [2020-10-27 03:29:00,741 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 03:29:00,742 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-10-27 03:29:00,742 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 03:29:00,742 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-27 03:29:00,742 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 7 [2020-10-27 03:29:00,742 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-27 03:29:00,743 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 03:29:00,777 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 03:29:00,778 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 03:29:00,780 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:29:00,783 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 03:29:00,784 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 03:29:00,784 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 03:29:00,784 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-27 03:29:00,784 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 03:29:00,784 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-10-27 03:29:00,785 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 03:29:00,785 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-27 03:29:00,785 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 03:29:00,806 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2020-10-27 03:29:00,808 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 03:29:00,809 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:29:00,810 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 03:29:00,811 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 03:29:00,811 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 03:29:00,811 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 03:29:00,811 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 03:29:00,811 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 03:29:00,811 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-27 03:29:00,811 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 03:29:00,812 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 03:29:00,814 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 30 [2020-10-27 03:29:00,816 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 03:29:00,818 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:29:00,821 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 03:29:00,822 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 25 [2020-10-27 03:29:00,822 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 03:29:00,822 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-27 03:29:00,822 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 03:29:00,822 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 03:29:00,822 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 22 [2020-10-27 03:29:00,823 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 03:29:00,823 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 03:29:00,825 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 03:29:00,826 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 03:29:00,827 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:29:00,828 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 03:29:00,828 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 03:29:00,828 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 03:29:00,828 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 03:29:00,829 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 03:29:00,829 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 03:29:00,829 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 03:29:00,829 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 03:29:00,829 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 03:29:00,831 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2020-10-27 03:29:00,832 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 03:29:00,832 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:29:00,833 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 03:29:00,833 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 03:29:00,833 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 03:29:00,834 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 03:29:00,834 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 03:29:00,834 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 03:29:00,834 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 03:29:00,834 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 03:29:00,834 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 03:29:00,855 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 121 [2020-10-27 03:29:00,857 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 03:29:00,858 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:29:00,859 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 03:29:00,859 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 03:29:00,859 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 03:29:00,860 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 03:29:00,860 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 03:29:00,860 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 03:29:00,860 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-27 03:29:00,860 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 03:29:00,860 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 03:29:00,862 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 128 [2020-10-27 03:29:00,863 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 03:29:00,863 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:29:00,864 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 03:29:00,864 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 03:29:00,865 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 03:29:00,865 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 03:29:00,865 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 03:29:00,865 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 03:29:00,865 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-27 03:29:00,865 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 03:29:00,865 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 03:29:00,867 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 134 [2020-10-27 03:29:00,868 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 03:29:00,869 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:29:00,869 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 03:29:00,870 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 03:29:00,870 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 03:29:00,870 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 03:29:00,870 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 03:29:00,870 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 03:29:00,870 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-27 03:29:00,870 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 03:29:00,871 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 03:29:00,909 INFO L134 CoverageAnalysis]: Checked inductivity of 43 backedges. 20 proven. 0 refuted. 0 times theorem prover too weak. 23 trivial. 0 not checked. [2020-10-27 03:29:00,910 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1209349485] [2020-10-27 03:29:00,910 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-27 03:29:00,910 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [13] imperfect sequences [] total 13 [2020-10-27 03:29:00,910 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1598806228] [2020-10-27 03:29:00,911 INFO L461 AbstractCegarLoop]: Interpolant automaton has 13 states [2020-10-27 03:29:00,911 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-27 03:29:00,912 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2020-10-27 03:29:00,912 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=33, Invalid=123, Unknown=0, NotChecked=0, Total=156 [2020-10-27 03:29:00,912 INFO L87 Difference]: Start difference. First operand 1201 states and 1514 transitions. Second operand 13 states. [2020-10-27 03:29:01,931 WARN L193 SmtUtils]: Spent 377.00 ms on a formula simplification that was a NOOP. DAG size: 208 [2020-10-27 03:29:03,073 WARN L193 SmtUtils]: Spent 395.00 ms on a formula simplification that was a NOOP. DAG size: 209 [2020-10-27 03:29:03,495 WARN L193 SmtUtils]: Spent 354.00 ms on a formula simplification that was a NOOP. DAG size: 208 [2020-10-27 03:29:03,925 WARN L193 SmtUtils]: Spent 379.00 ms on a formula simplification that was a NOOP. DAG size: 208 [2020-10-27 03:29:06,515 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-27 03:29:06,515 INFO L93 Difference]: Finished difference Result 3118 states and 4655 transitions. [2020-10-27 03:29:06,516 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 35 states. [2020-10-27 03:29:06,516 INFO L78 Accepts]: Start accepts. Automaton has 13 states. Word has length 144 [2020-10-27 03:29:06,518 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-27 03:29:06,536 INFO L225 Difference]: With dead ends: 3118 [2020-10-27 03:29:06,536 INFO L226 Difference]: Without dead ends: 1945 [2020-10-27 03:29:06,545 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 91 GetRequests, 50 SyntacticMatches, 0 SemanticMatches, 41 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 470 ImplicationChecksByTransitivity, 2.5s TimeCoverageRelationStatistics Valid=372, Invalid=1434, Unknown=0, NotChecked=0, Total=1806 [2020-10-27 03:29:06,548 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1945 states. [2020-10-27 03:29:06,869 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1945 to 1207. [2020-10-27 03:29:06,869 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1207 states. [2020-10-27 03:29:06,876 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1207 states to 1207 states and 1490 transitions. [2020-10-27 03:29:06,877 INFO L78 Accepts]: Start accepts. Automaton has 1207 states and 1490 transitions. Word has length 144 [2020-10-27 03:29:06,877 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-27 03:29:06,877 INFO L481 AbstractCegarLoop]: Abstraction has 1207 states and 1490 transitions. [2020-10-27 03:29:06,877 INFO L482 AbstractCegarLoop]: Interpolant automaton has 13 states. [2020-10-27 03:29:06,877 INFO L276 IsEmpty]: Start isEmpty. Operand 1207 states and 1490 transitions. [2020-10-27 03:29:06,882 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 131 [2020-10-27 03:29:06,882 INFO L414 BasicCegarLoop]: Found error trace [2020-10-27 03:29:06,885 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-27 03:29:06,885 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2020-10-27 03:29:06,886 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]=== [2020-10-27 03:29:06,900 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-27 03:29:06,901 INFO L82 PathProgramCache]: Analyzing trace with hash -1148143104, now seen corresponding path program 1 times [2020-10-27 03:29:06,901 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-27 03:29:06,901 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1062737292] [2020-10-27 03:29:06,901 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-27 03:29:06,932 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 03:29:06,950 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:29:06,980 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:29:07,127 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:29:07,755 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 03:29:07,755 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 186 [2020-10-27 03:29:07,756 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-10-27 03:29:07,756 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 820 [2020-10-27 03:29:07,756 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 03:29:07,756 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 03:29:07,756 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 67 [2020-10-27 03:29:07,756 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-10-27 03:29:07,757 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 03:29:08,143 WARN L193 SmtUtils]: Spent 343.00 ms on a formula simplification that was a NOOP. DAG size: 205 [2020-10-27 03:29:08,144 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-27 03:29:08,150 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 03:29:08,152 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:29:08,166 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 03:29:08,166 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 03:29:08,166 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 03:29:08,166 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 14 [2020-10-27 03:29:08,166 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 03:29:08,166 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 03:29:08,166 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 03:29:08,166 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 03:29:08,166 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 03:29:08,174 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-27 03:29:08,175 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 03:29:08,175 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:29:08,176 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 03:29:08,176 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-27 03:29:08,176 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 03:29:08,176 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-27 03:29:08,176 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 03:29:08,176 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 03:29:08,177 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 03:29:08,177 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 03:29:08,177 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 03:29:08,177 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-10-27 03:29:08,178 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 03:29:08,179 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:29:08,179 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 03:29:08,179 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-27 03:29:08,179 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 03:29:08,180 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-27 03:29:08,180 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 03:29:08,180 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 03:29:08,180 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 03:29:08,180 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 03:29:08,180 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 03:29:08,181 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-27 03:29:08,182 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 03:29:08,182 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:29:08,183 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 03:29:08,183 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 03:29:08,183 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 03:29:08,183 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-27 03:29:08,184 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 03:29:08,184 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 03:29:08,184 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 03:29:08,184 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 03:29:08,184 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 03:29:08,185 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-10-27 03:29:08,186 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 03:29:08,186 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:29:08,187 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 03:29:08,187 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-27 03:29:08,187 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 03:29:08,187 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-27 03:29:08,187 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 03:29:08,187 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 03:29:08,188 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 03:29:08,188 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 03:29:08,188 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 03:29:08,201 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2020-10-27 03:29:08,202 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 03:29:08,204 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:29:08,205 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 03:29:08,205 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 03:29:08,205 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 03:29:08,205 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-27 03:29:08,205 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 03:29:08,206 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 03:29:08,206 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 03:29:08,206 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 03:29:08,206 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 03:29:08,216 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2020-10-27 03:29:08,217 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 03:29:08,217 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:29:08,219 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 03:29:08,219 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 03:29:08,219 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 03:29:08,219 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 03:29:08,219 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 03:29:08,219 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 03:29:08,220 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 03:29:08,220 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 03:29:08,220 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 03:29:08,234 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2020-10-27 03:29:08,235 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 03:29:08,236 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:29:08,239 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 03:29:08,239 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 03:29:08,240 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 03:29:08,240 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-27 03:29:08,240 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 03:29:08,240 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 03:29:08,241 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 03:29:08,241 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 3 [2020-10-27 03:29:08,241 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 03:29:08,267 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2020-10-27 03:29:08,272 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 03:29:08,274 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:29:08,289 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:29:08,313 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 03:29:08,313 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 70 [2020-10-27 03:29:08,314 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-27 03:29:08,314 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 40 [2020-10-27 03:29:08,314 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 03:29:08,314 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 03:29:08,314 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 3 [2020-10-27 03:29:08,314 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 65 [2020-10-27 03:29:08,315 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 03:29:08,340 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-27 03:29:08,343 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 03:29:08,345 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:29:08,358 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:29:08,371 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 03:29:08,371 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 40 [2020-10-27 03:29:08,371 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-27 03:29:08,371 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 27 [2020-10-27 03:29:08,371 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 03:29:08,372 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 03:29:08,372 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 03:29:08,372 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 37 [2020-10-27 03:29:08,372 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 03:29:08,377 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-27 03:29:08,379 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 03:29:08,380 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:29:08,383 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:29:08,395 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 03:29:08,395 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 33 [2020-10-27 03:29:08,395 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-27 03:29:08,395 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 15 [2020-10-27 03:29:08,395 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 03:29:08,396 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 03:29:08,396 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 03:29:08,396 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 03:29:08,396 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 03:29:08,398 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-27 03:29:08,401 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 03:29:08,401 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:29:08,404 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 03:29:08,404 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 18 [2020-10-27 03:29:08,404 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 03:29:08,405 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-27 03:29:08,405 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 03:29:08,405 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 03:29:08,405 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 03:29:08,405 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 03:29:08,405 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 03:29:08,407 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 03:29:08,407 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 03:29:08,409 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:29:08,409 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 03:29:08,410 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 03:29:08,410 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 03:29:08,410 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 03:29:08,410 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 03:29:08,410 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 03:29:08,411 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 03:29:08,411 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 03:29:08,411 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 03:29:08,413 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2020-10-27 03:29:08,417 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 03:29:08,419 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:29:08,420 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 03:29:08,420 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 03:29:08,420 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 03:29:08,420 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-27 03:29:08,421 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 03:29:08,421 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 03:29:08,421 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 03:29:08,421 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 03:29:08,421 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 03:29:08,424 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 30 [2020-10-27 03:29:08,426 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 03:29:08,427 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:29:08,433 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 03:29:08,433 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 25 [2020-10-27 03:29:08,434 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 03:29:08,434 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-27 03:29:08,434 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 03:29:08,434 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 03:29:08,434 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 03:29:08,434 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 22 [2020-10-27 03:29:08,435 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 03:29:08,438 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 03:29:08,439 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 03:29:08,440 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:29:08,441 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 03:29:08,441 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 03:29:08,441 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 03:29:08,441 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-27 03:29:08,441 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 03:29:08,442 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 03:29:08,442 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 03:29:08,442 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 03:29:08,442 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 03:29:08,443 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2020-10-27 03:29:08,444 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 03:29:08,445 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:29:08,446 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 03:29:08,446 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 03:29:08,446 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 03:29:08,446 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-27 03:29:08,446 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 03:29:08,446 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 03:29:08,447 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 03:29:08,447 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 03:29:08,447 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 03:29:08,466 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 107 [2020-10-27 03:29:08,467 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 03:29:08,469 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:29:08,470 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 03:29:08,470 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 03:29:08,471 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 03:29:08,471 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 03:29:08,471 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 03:29:08,471 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 03:29:08,471 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-27 03:29:08,471 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 03:29:08,471 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 03:29:08,472 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 114 [2020-10-27 03:29:08,473 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 03:29:08,474 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:29:08,475 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 03:29:08,475 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 03:29:08,475 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 03:29:08,475 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 03:29:08,475 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 03:29:08,475 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 03:29:08,476 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-27 03:29:08,476 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 03:29:08,476 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 03:29:08,477 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 120 [2020-10-27 03:29:08,477 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 03:29:08,478 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:29:08,479 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 03:29:08,479 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 03:29:08,479 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 03:29:08,479 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-27 03:29:08,479 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 03:29:08,479 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 03:29:08,480 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-27 03:29:08,480 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 03:29:08,480 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 03:29:08,506 INFO L134 CoverageAnalysis]: Checked inductivity of 27 backedges. 21 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2020-10-27 03:29:08,507 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1062737292] [2020-10-27 03:29:08,508 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-27 03:29:08,509 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2020-10-27 03:29:08,509 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1198038414] [2020-10-27 03:29:08,510 INFO L461 AbstractCegarLoop]: Interpolant automaton has 11 states [2020-10-27 03:29:08,510 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-27 03:29:08,511 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2020-10-27 03:29:08,511 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=29, Invalid=81, Unknown=0, NotChecked=0, Total=110 [2020-10-27 03:29:08,512 INFO L87 Difference]: Start difference. First operand 1207 states and 1490 transitions. Second operand 11 states. [2020-10-27 03:29:09,099 WARN L193 SmtUtils]: Spent 330.00 ms on a formula simplification that was a NOOP. DAG size: 208 [2020-10-27 03:29:10,115 WARN L193 SmtUtils]: Spent 365.00 ms on a formula simplification that was a NOOP. DAG size: 207 [2020-10-27 03:29:15,412 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-27 03:29:15,412 INFO L93 Difference]: Finished difference Result 2518 states and 3486 transitions. [2020-10-27 03:29:15,413 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 42 states. [2020-10-27 03:29:15,413 INFO L78 Accepts]: Start accepts. Automaton has 11 states. Word has length 130 [2020-10-27 03:29:15,414 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-27 03:29:15,423 INFO L225 Difference]: With dead ends: 2518 [2020-10-27 03:29:15,423 INFO L226 Difference]: Without dead ends: 1339 [2020-10-27 03:29:15,428 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 108 GetRequests, 62 SyntacticMatches, 0 SemanticMatches, 46 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 695 ImplicationChecksByTransitivity, 1.8s TimeCoverageRelationStatistics Valid=416, Invalid=1840, Unknown=0, NotChecked=0, Total=2256 [2020-10-27 03:29:15,430 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1339 states. [2020-10-27 03:29:15,651 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1339 to 713. [2020-10-27 03:29:15,651 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 713 states. [2020-10-27 03:29:15,654 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 713 states to 713 states and 853 transitions. [2020-10-27 03:29:15,655 INFO L78 Accepts]: Start accepts. Automaton has 713 states and 853 transitions. Word has length 130 [2020-10-27 03:29:15,658 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-27 03:29:15,658 INFO L481 AbstractCegarLoop]: Abstraction has 713 states and 853 transitions. [2020-10-27 03:29:15,658 INFO L482 AbstractCegarLoop]: Interpolant automaton has 11 states. [2020-10-27 03:29:15,658 INFO L276 IsEmpty]: Start isEmpty. Operand 713 states and 853 transitions. [2020-10-27 03:29:15,665 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 150 [2020-10-27 03:29:15,665 INFO L414 BasicCegarLoop]: Found error trace [2020-10-27 03:29:15,665 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 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, 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] [2020-10-27 03:29:15,666 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2020-10-27 03:29:15,666 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]=== [2020-10-27 03:29:15,666 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-27 03:29:15,666 INFO L82 PathProgramCache]: Analyzing trace with hash 999114154, now seen corresponding path program 1 times [2020-10-27 03:29:15,667 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-27 03:29:15,667 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1165174846] [2020-10-27 03:29:15,667 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-27 03:29:15,691 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 03:29:15,708 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:29:15,740 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:29:15,777 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:29:18,596 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:29:20,713 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 03:29:20,713 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 213 [2020-10-27 03:29:20,713 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 4 [2020-10-27 03:29:20,713 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5019 [2020-10-27 03:29:20,714 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 03:29:20,714 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 7 [2020-10-27 03:29:20,714 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 57 [2020-10-27 03:29:20,714 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 114 [2020-10-27 03:29:20,714 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 03:29:21,171 WARN L193 SmtUtils]: Spent 407.00 ms on a formula simplification that was a NOOP. DAG size: 205 [2020-10-27 03:29:21,172 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-27 03:29:21,179 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 03:29:21,182 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:29:21,227 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 03:29:21,228 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 03:29:21,228 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 03:29:21,228 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 47 [2020-10-27 03:29:21,229 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 03:29:21,229 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 03:29:21,229 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 03:29:21,229 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 03:29:21,230 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-27 03:29:21,246 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-27 03:29:21,249 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 03:29:21,252 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:29:21,253 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 03:29:21,253 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-27 03:29:21,253 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 03:29:21,253 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-27 03:29:21,254 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 03:29:21,254 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 03:29:21,254 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 03:29:21,254 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 03:29:21,254 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 03:29:21,259 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-10-27 03:29:21,260 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 03:29:21,260 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:29:21,261 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 03:29:21,261 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-27 03:29:21,261 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 03:29:21,261 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-27 03:29:21,262 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 03:29:21,262 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 03:29:21,262 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 03:29:21,262 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 03:29:21,262 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 03:29:21,263 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-27 03:29:21,264 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 03:29:21,266 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:29:21,270 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 03:29:21,270 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 03:29:21,271 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 03:29:21,271 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-27 03:29:21,271 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 03:29:21,271 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 03:29:21,272 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 03:29:21,272 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 03:29:21,272 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-27 03:29:21,273 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-10-27 03:29:21,275 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 03:29:21,276 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:29:21,276 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 03:29:21,277 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-27 03:29:21,277 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 03:29:21,277 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 03:29:21,277 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 03:29:21,278 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 03:29:21,278 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 03:29:21,278 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 03:29:21,278 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-27 03:29:21,301 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2020-10-27 03:29:21,302 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 03:29:21,303 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:29:21,304 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 03:29:21,304 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 03:29:21,304 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 03:29:21,304 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 03:29:21,305 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 03:29:21,305 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 03:29:21,306 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 03:29:21,306 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 03:29:21,306 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-27 03:29:21,322 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2020-10-27 03:29:21,324 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 03:29:21,325 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:29:21,327 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 03:29:21,327 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 03:29:21,327 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 03:29:21,328 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-27 03:29:21,328 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 03:29:21,328 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 03:29:21,328 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 03:29:21,329 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-10-27 03:29:21,329 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-27 03:29:21,351 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2020-10-27 03:29:21,361 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 03:29:21,364 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:29:21,387 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:29:21,428 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 03:29:21,428 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 70 [2020-10-27 03:29:21,428 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-27 03:29:21,428 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 65 [2020-10-27 03:29:21,429 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 03:29:21,429 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 03:29:21,429 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 03:29:21,429 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 67 [2020-10-27 03:29:21,429 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 03:29:21,455 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-27 03:29:21,457 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 03:29:21,458 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:29:21,461 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:29:21,490 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 03:29:21,490 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 40 [2020-10-27 03:29:21,491 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-27 03:29:21,491 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 32 [2020-10-27 03:29:21,491 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 03:29:21,491 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 03:29:21,492 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 03:29:21,492 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 03:29:21,492 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-27 03:29:21,495 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-27 03:29:21,497 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 03:29:21,498 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:29:21,500 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:29:21,518 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 03:29:21,519 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 33 [2020-10-27 03:29:21,519 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-27 03:29:21,519 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 20 [2020-10-27 03:29:21,520 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 03:29:21,520 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 03:29:21,520 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 03:29:21,520 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 03:29:21,521 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-27 03:29:21,523 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-27 03:29:21,525 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 03:29:21,526 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:29:21,528 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 03:29:21,529 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 18 [2020-10-27 03:29:21,529 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 03:29:21,529 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-27 03:29:21,530 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 03:29:21,530 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 03:29:21,530 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 03:29:21,531 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 03:29:21,531 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-27 03:29:21,540 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 03:29:21,541 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 03:29:21,542 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:29:21,543 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 03:29:21,544 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 03:29:21,544 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 03:29:21,544 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 03:29:21,545 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 03:29:21,545 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 03:29:21,545 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 03:29:21,546 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 03:29:21,546 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-27 03:29:21,547 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2020-10-27 03:29:21,548 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 03:29:21,549 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:29:21,550 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 03:29:21,550 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 03:29:21,550 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 03:29:21,551 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 03:29:21,551 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 03:29:21,551 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 03:29:21,552 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 03:29:21,552 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 03:29:21,552 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-27 03:29:21,555 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 30 [2020-10-27 03:29:21,556 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 03:29:21,557 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:29:21,561 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 03:29:21,561 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 25 [2020-10-27 03:29:21,561 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 03:29:21,561 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-27 03:29:21,562 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 03:29:21,562 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 03:29:21,562 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 03:29:21,562 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 03:29:21,563 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-27 03:29:21,565 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 03:29:21,566 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 03:29:21,567 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:29:21,568 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 03:29:21,568 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 03:29:21,568 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 03:29:21,569 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 03:29:21,569 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 03:29:21,569 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 03:29:21,570 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 03:29:21,570 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 03:29:21,570 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-27 03:29:21,574 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2020-10-27 03:29:21,575 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 03:29:21,576 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:29:21,577 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 03:29:21,577 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 03:29:21,577 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 03:29:21,578 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 03:29:21,578 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 03:29:21,578 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 03:29:21,578 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 03:29:21,579 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 03:29:21,579 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-27 03:29:21,599 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2020-10-27 03:29:21,600 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 03:29:21,601 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:29:21,603 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 03:29:21,603 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 03:29:21,603 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 03:29:21,603 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 03:29:21,603 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 03:29:21,603 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 03:29:21,604 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 03:29:21,604 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-27 03:29:21,604 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 03:29:21,605 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 107 [2020-10-27 03:29:21,608 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 03:29:21,624 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:29:21,661 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 03:29:21,661 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 36 [2020-10-27 03:29:21,661 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 03:29:21,661 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 51 [2020-10-27 03:29:21,661 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 03:29:21,662 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 7 [2020-10-27 03:29:21,662 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 11 [2020-10-27 03:29:21,662 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 23 [2020-10-27 03:29:21,662 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 03:29:21,732 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-27 03:29:21,733 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 03:29:21,735 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:29:21,741 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 03:29:21,741 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 15 [2020-10-27 03:29:21,741 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 03:29:21,741 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-27 03:29:21,742 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 03:29:21,742 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-27 03:29:21,742 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 03:29:21,742 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 11 [2020-10-27 03:29:21,742 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 03:29:21,781 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 03:29:21,782 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 03:29:21,783 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:29:21,785 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 03:29:21,785 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 03:29:21,785 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 03:29:21,786 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 03:29:21,786 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 03:29:21,786 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-10-27 03:29:21,786 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 03:29:21,786 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-10-27 03:29:21,786 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 03:29:21,806 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2020-10-27 03:29:21,808 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 03:29:21,808 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:29:21,810 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 03:29:21,810 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 14 [2020-10-27 03:29:21,810 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 03:29:21,811 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-27 03:29:21,811 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 03:29:21,811 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 03:29:21,811 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 03:29:21,811 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 11 [2020-10-27 03:29:21,811 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 03:29:21,814 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-27 03:29:21,814 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 03:29:21,815 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:29:21,815 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 03:29:21,816 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-27 03:29:21,816 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 03:29:21,816 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-27 03:29:21,816 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 03:29:21,816 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 03:29:21,816 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 03:29:21,817 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 03:29:21,817 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 03:29:21,818 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 133 [2020-10-27 03:29:21,821 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 03:29:21,821 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:29:21,822 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 03:29:21,822 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 03:29:21,822 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 03:29:21,823 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-27 03:29:21,823 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 03:29:21,823 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 03:29:21,823 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-27 03:29:21,823 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 03:29:21,823 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 03:29:21,824 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 139 [2020-10-27 03:29:21,825 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 03:29:21,826 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:29:21,826 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 03:29:21,827 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 03:29:21,827 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 03:29:21,827 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 03:29:21,827 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 03:29:21,827 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 03:29:21,828 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-27 03:29:21,828 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 03:29:21,828 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 03:29:21,862 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 21 proven. 3 refuted. 0 times theorem prover too weak. 18 trivial. 0 not checked. [2020-10-27 03:29:21,863 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1165174846] [2020-10-27 03:29:21,863 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-27 03:29:21,863 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [15] total 15 [2020-10-27 03:29:21,864 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [764744035] [2020-10-27 03:29:21,864 INFO L461 AbstractCegarLoop]: Interpolant automaton has 15 states [2020-10-27 03:29:21,865 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-27 03:29:21,865 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2020-10-27 03:29:21,870 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=35, Invalid=175, Unknown=0, NotChecked=0, Total=210 [2020-10-27 03:29:21,870 INFO L87 Difference]: Start difference. First operand 713 states and 853 transitions. Second operand 15 states. [2020-10-27 03:29:22,612 WARN L193 SmtUtils]: Spent 343.00 ms on a formula simplification that was a NOOP. DAG size: 207 [2020-10-27 03:29:23,801 WARN L193 SmtUtils]: Spent 406.00 ms on a formula simplification that was a NOOP. DAG size: 207 [2020-10-27 03:29:24,631 WARN L193 SmtUtils]: Spent 399.00 ms on a formula simplification that was a NOOP. DAG size: 209 [2020-10-27 03:29:25,146 WARN L193 SmtUtils]: Spent 340.00 ms on a formula simplification that was a NOOP. DAG size: 209 [2020-10-27 03:29:28,219 WARN L193 SmtUtils]: Spent 387.00 ms on a formula simplification that was a NOOP. DAG size: 209 [2020-10-27 03:29:28,637 WARN L193 SmtUtils]: Spent 386.00 ms on a formula simplification that was a NOOP. DAG size: 209 [2020-10-27 03:29:29,084 WARN L193 SmtUtils]: Spent 385.00 ms on a formula simplification that was a NOOP. DAG size: 209 [2020-10-27 03:29:29,513 WARN L193 SmtUtils]: Spent 382.00 ms on a formula simplification that was a NOOP. DAG size: 209 [2020-10-27 03:29:29,933 WARN L193 SmtUtils]: Spent 387.00 ms on a formula simplification that was a NOOP. DAG size: 209 [2020-10-27 03:29:30,366 WARN L193 SmtUtils]: Spent 403.00 ms on a formula simplification that was a NOOP. DAG size: 209 [2020-10-27 03:29:30,826 WARN L193 SmtUtils]: Spent 382.00 ms on a formula simplification that was a NOOP. DAG size: 209 [2020-10-27 03:29:31,243 WARN L193 SmtUtils]: Spent 386.00 ms on a formula simplification that was a NOOP. DAG size: 209 [2020-10-27 03:29:32,799 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-27 03:29:32,800 INFO L93 Difference]: Finished difference Result 1847 states and 2532 transitions. [2020-10-27 03:29:32,800 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 44 states. [2020-10-27 03:29:32,800 INFO L78 Accepts]: Start accepts. Automaton has 15 states. Word has length 149 [2020-10-27 03:29:32,801 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-27 03:29:32,809 INFO L225 Difference]: With dead ends: 1847 [2020-10-27 03:29:32,809 INFO L226 Difference]: Without dead ends: 1162 [2020-10-27 03:29:32,813 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 115 GetRequests, 63 SyntacticMatches, 0 SemanticMatches, 52 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 829 ImplicationChecksByTransitivity, 6.0s TimeCoverageRelationStatistics Valid=548, Invalid=2314, Unknown=0, NotChecked=0, Total=2862 [2020-10-27 03:29:32,815 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1162 states. [2020-10-27 03:29:32,988 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1162 to 693. [2020-10-27 03:29:32,988 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 693 states. [2020-10-27 03:29:32,991 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 693 states to 693 states and 817 transitions. [2020-10-27 03:29:32,992 INFO L78 Accepts]: Start accepts. Automaton has 693 states and 817 transitions. Word has length 149 [2020-10-27 03:29:32,992 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-27 03:29:32,992 INFO L481 AbstractCegarLoop]: Abstraction has 693 states and 817 transitions. [2020-10-27 03:29:32,992 INFO L482 AbstractCegarLoop]: Interpolant automaton has 15 states. [2020-10-27 03:29:32,992 INFO L276 IsEmpty]: Start isEmpty. Operand 693 states and 817 transitions. [2020-10-27 03:29:32,996 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 154 [2020-10-27 03:29:32,996 INFO L414 BasicCegarLoop]: Found error trace [2020-10-27 03:29:32,997 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, 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, 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] [2020-10-27 03:29:32,997 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2020-10-27 03:29:32,997 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]=== [2020-10-27 03:29:32,997 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-27 03:29:32,998 INFO L82 PathProgramCache]: Analyzing trace with hash 958300628, now seen corresponding path program 1 times [2020-10-27 03:29:32,998 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-27 03:29:32,998 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [219998502] [2020-10-27 03:29:32,998 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-27 03:29:33,056 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 03:29:33,074 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:29:33,106 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:29:33,145 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:29:33,182 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:29:33,506 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:29:33,976 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:29:34,294 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:29:34,632 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:29:38,060 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 03:29:38,060 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 217 [2020-10-27 03:29:38,061 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 8 [2020-10-27 03:29:38,061 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5001 [2020-10-27 03:29:38,061 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 03:29:38,061 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-27 03:29:38,061 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 90 [2020-10-27 03:29:38,061 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-27 03:29:38,061 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 03:29:38,470 WARN L193 SmtUtils]: Spent 376.00 ms on a formula simplification that was a NOOP. DAG size: 205 [2020-10-27 03:29:38,471 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-27 03:29:38,477 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 03:29:38,479 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:29:38,498 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 03:29:38,499 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 03:29:38,499 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 03:29:38,499 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 20 [2020-10-27 03:29:38,499 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 03:29:38,499 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 03:29:38,499 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 03:29:38,500 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 03:29:38,500 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 03:29:38,511 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-27 03:29:38,512 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 03:29:38,512 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:29:38,513 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 03:29:38,513 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-27 03:29:38,513 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 03:29:38,513 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-27 03:29:38,513 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 03:29:38,514 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 03:29:38,514 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 03:29:38,514 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 03:29:38,514 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 03:29:38,515 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-10-27 03:29:38,515 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 03:29:38,516 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:29:38,516 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 03:29:38,516 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-27 03:29:38,516 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 03:29:38,516 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-27 03:29:38,517 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 03:29:38,517 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 03:29:38,517 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 03:29:38,517 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 03:29:38,517 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 03:29:38,518 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-27 03:29:38,518 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 03:29:38,519 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:29:38,519 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 03:29:38,520 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 03:29:38,520 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 03:29:38,520 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-27 03:29:38,520 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 03:29:38,520 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 03:29:38,520 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 03:29:38,520 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 03:29:38,521 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 03:29:38,521 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-10-27 03:29:38,522 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 03:29:38,522 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:29:38,523 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 03:29:38,523 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-27 03:29:38,523 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 03:29:38,523 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-27 03:29:38,523 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 03:29:38,523 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 03:29:38,524 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 03:29:38,524 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 03:29:38,524 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 03:29:38,531 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2020-10-27 03:29:38,532 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 03:29:38,532 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:29:38,533 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 03:29:38,533 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 03:29:38,533 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 03:29:38,534 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-27 03:29:38,534 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 03:29:38,534 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 03:29:38,534 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 03:29:38,534 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 03:29:38,534 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 03:29:38,543 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2020-10-27 03:29:38,544 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 03:29:38,545 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:29:38,546 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 03:29:38,546 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 03:29:38,546 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 03:29:38,546 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 03:29:38,546 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 03:29:38,546 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 03:29:38,547 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 03:29:38,547 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 03:29:38,547 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 03:29:38,562 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2020-10-27 03:29:38,566 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 03:29:38,569 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:29:38,589 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 03:29:38,589 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 70 [2020-10-27 03:29:38,590 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 03:29:38,590 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 21 [2020-10-27 03:29:38,590 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 03:29:38,590 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-27 03:29:38,590 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 26 [2020-10-27 03:29:38,590 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-27 03:29:38,591 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 03:29:38,603 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-27 03:29:38,606 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 03:29:38,608 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:29:38,620 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 03:29:38,620 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 40 [2020-10-27 03:29:38,620 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 03:29:38,620 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 13 [2020-10-27 03:29:38,620 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 03:29:38,621 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-27 03:29:38,621 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 21 [2020-10-27 03:29:38,621 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-27 03:29:38,621 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 03:29:38,624 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-27 03:29:38,626 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 03:29:38,628 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:29:38,639 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 03:29:38,640 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 33 [2020-10-27 03:29:38,640 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 03:29:38,640 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 12 [2020-10-27 03:29:38,640 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 03:29:38,640 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-27 03:29:38,640 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 16 [2020-10-27 03:29:38,641 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-27 03:29:38,641 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 03:29:38,686 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-27 03:29:38,688 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 03:29:38,690 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:29:38,714 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 03:29:38,714 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 18 [2020-10-27 03:29:38,714 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 03:29:38,714 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 25 [2020-10-27 03:29:38,715 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 03:29:38,717 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-27 03:29:38,717 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 03:29:38,717 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 14 [2020-10-27 03:29:38,718 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 2 [2020-10-27 03:29:38,760 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 03:29:38,761 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 03:29:38,762 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:29:38,764 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 03:29:38,765 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 03:29:38,765 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 03:29:38,765 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-27 03:29:38,765 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 03:29:38,765 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 03:29:38,766 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 03:29:38,766 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 03:29:38,766 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 03:29:38,767 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2020-10-27 03:29:38,769 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 03:29:38,769 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:29:38,770 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 03:29:38,770 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 03:29:38,770 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 03:29:38,771 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 03:29:38,771 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 03:29:38,771 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 03:29:38,771 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-27 03:29:38,771 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 03:29:38,771 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 03:29:38,773 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 30 [2020-10-27 03:29:38,776 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 03:29:38,778 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:29:38,780 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 03:29:38,780 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 25 [2020-10-27 03:29:38,780 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 03:29:38,780 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-27 03:29:38,781 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 03:29:38,781 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 03:29:38,781 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 22 [2020-10-27 03:29:38,781 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 03:29:38,781 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 03:29:38,783 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 03:29:38,784 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 03:29:38,784 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:29:38,785 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 03:29:38,785 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 03:29:38,785 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 03:29:38,786 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-27 03:29:38,786 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 03:29:38,786 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 03:29:38,786 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 03:29:38,786 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 03:29:38,786 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 03:29:38,787 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2020-10-27 03:29:38,788 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 03:29:38,788 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:29:38,789 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 03:29:38,789 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 03:29:38,789 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 03:29:38,789 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-27 03:29:38,790 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 03:29:38,790 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 03:29:38,790 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 03:29:38,790 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 03:29:38,790 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 03:29:38,809 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2020-10-27 03:29:38,810 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 03:29:38,813 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:29:38,814 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 03:29:38,814 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 03:29:38,814 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 03:29:38,815 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-27 03:29:38,815 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 03:29:38,815 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 03:29:38,815 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-27 03:29:38,815 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 03:29:38,815 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 03:29:38,816 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 107 [2020-10-27 03:29:38,819 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 03:29:38,820 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:29:38,830 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:29:38,836 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 03:29:38,836 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 40 [2020-10-27 03:29:38,837 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-27 03:29:38,837 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 16 [2020-10-27 03:29:38,837 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 03:29:38,837 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-27 03:29:38,837 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 21 [2020-10-27 03:29:38,837 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-27 03:29:38,837 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 03:29:38,842 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-27 03:29:38,845 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 03:29:38,846 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:29:38,855 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 03:29:38,856 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 33 [2020-10-27 03:29:38,856 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 03:29:38,856 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 9 [2020-10-27 03:29:38,856 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 03:29:38,856 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-27 03:29:38,856 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 16 [2020-10-27 03:29:38,857 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-27 03:29:38,857 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 03:29:38,878 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-27 03:29:38,881 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 03:29:38,882 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:29:38,888 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 03:29:38,888 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 18 [2020-10-27 03:29:38,888 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 03:29:38,889 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-27 03:29:38,889 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 03:29:38,889 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-27 03:29:38,889 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 03:29:38,889 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 14 [2020-10-27 03:29:38,889 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 03:29:38,916 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 03:29:38,917 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 03:29:38,918 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:29:38,919 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 03:29:38,919 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 03:29:38,920 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 03:29:38,920 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 03:29:38,920 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 03:29:38,920 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 03:29:38,921 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 03:29:38,921 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 03:29:38,921 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 03:29:38,922 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2020-10-27 03:29:38,923 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 03:29:38,924 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:29:38,924 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 03:29:38,924 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 03:29:38,925 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 03:29:38,925 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-27 03:29:38,925 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 03:29:38,925 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 03:29:38,925 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-27 03:29:38,925 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 03:29:38,926 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 03:29:38,927 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 137 [2020-10-27 03:29:38,928 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 03:29:38,929 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:29:38,929 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 03:29:38,930 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 03:29:38,930 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 03:29:38,930 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-27 03:29:38,930 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 03:29:38,930 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 03:29:38,930 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-27 03:29:38,930 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 03:29:38,930 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 03:29:38,931 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 143 [2020-10-27 03:29:38,932 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 03:29:38,932 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:29:38,933 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 03:29:38,933 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 03:29:38,933 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 03:29:38,933 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-27 03:29:38,934 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 03:29:38,934 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 03:29:38,934 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-27 03:29:38,934 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 03:29:38,934 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 03:29:38,963 INFO L134 CoverageAnalysis]: Checked inductivity of 55 backedges. 21 proven. 0 refuted. 0 times theorem prover too weak. 34 trivial. 0 not checked. [2020-10-27 03:29:38,964 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [219998502] [2020-10-27 03:29:38,964 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-27 03:29:38,964 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2020-10-27 03:29:38,965 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [230598305] [2020-10-27 03:29:38,965 INFO L461 AbstractCegarLoop]: Interpolant automaton has 12 states [2020-10-27 03:29:38,965 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-27 03:29:38,966 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2020-10-27 03:29:38,966 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=29, Invalid=103, Unknown=0, NotChecked=0, Total=132 [2020-10-27 03:29:38,966 INFO L87 Difference]: Start difference. First operand 693 states and 817 transitions. Second operand 12 states. [2020-10-27 03:29:40,657 WARN L193 SmtUtils]: Spent 365.00 ms on a formula simplification that was a NOOP. DAG size: 209 [2020-10-27 03:29:41,079 WARN L193 SmtUtils]: Spent 390.00 ms on a formula simplification that was a NOOP. DAG size: 212 [2020-10-27 03:29:41,527 WARN L193 SmtUtils]: Spent 359.00 ms on a formula simplification that was a NOOP. DAG size: 209 [2020-10-27 03:29:41,953 WARN L193 SmtUtils]: Spent 377.00 ms on a formula simplification that was a NOOP. DAG size: 209 [2020-10-27 03:29:44,422 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-27 03:29:44,422 INFO L93 Difference]: Finished difference Result 1847 states and 2541 transitions. [2020-10-27 03:29:44,423 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2020-10-27 03:29:44,423 INFO L78 Accepts]: Start accepts. Automaton has 12 states. Word has length 153 [2020-10-27 03:29:44,424 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-27 03:29:44,433 INFO L225 Difference]: With dead ends: 1847 [2020-10-27 03:29:44,433 INFO L226 Difference]: Without dead ends: 1182 [2020-10-27 03:29:44,436 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 83 GetRequests, 56 SyntacticMatches, 4 SemanticMatches, 23 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 142 ImplicationChecksByTransitivity, 2.2s TimeCoverageRelationStatistics Valid=172, Invalid=428, Unknown=0, NotChecked=0, Total=600 [2020-10-27 03:29:44,438 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1182 states. [2020-10-27 03:29:44,659 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1182 to 713. [2020-10-27 03:29:44,660 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 713 states. [2020-10-27 03:29:44,662 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 713 states to 713 states and 837 transitions. [2020-10-27 03:29:44,663 INFO L78 Accepts]: Start accepts. Automaton has 713 states and 837 transitions. Word has length 153 [2020-10-27 03:29:44,664 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-27 03:29:44,664 INFO L481 AbstractCegarLoop]: Abstraction has 713 states and 837 transitions. [2020-10-27 03:29:44,664 INFO L482 AbstractCegarLoop]: Interpolant automaton has 12 states. [2020-10-27 03:29:44,664 INFO L276 IsEmpty]: Start isEmpty. Operand 713 states and 837 transitions. [2020-10-27 03:29:44,667 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 154 [2020-10-27 03:29:44,667 INFO L414 BasicCegarLoop]: Found error trace [2020-10-27 03:29:44,668 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, 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, 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] [2020-10-27 03:29:44,668 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2020-10-27 03:29:44,668 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]=== [2020-10-27 03:29:44,669 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-27 03:29:44,669 INFO L82 PathProgramCache]: Analyzing trace with hash 755298868, now seen corresponding path program 1 times [2020-10-27 03:29:44,669 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-27 03:29:44,669 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [181275299] [2020-10-27 03:29:44,669 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-27 03:29:44,706 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 03:29:44,726 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:29:44,865 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:29:44,907 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:29:44,950 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:29:45,283 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:29:45,674 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:29:46,433 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:29:46,658 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:29:49,735 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 03:29:49,735 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 217 [2020-10-27 03:29:49,735 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 8 [2020-10-27 03:29:49,735 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5024 [2020-10-27 03:29:49,736 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 03:29:49,736 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 10 [2020-10-27 03:29:49,736 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-27 03:29:49,736 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 82 [2020-10-27 03:29:49,737 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 03:29:50,157 WARN L193 SmtUtils]: Spent 376.00 ms on a formula simplification that was a NOOP. DAG size: 205 [2020-10-27 03:29:50,158 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-27 03:29:50,168 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 03:29:50,175 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:29:50,215 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 03:29:50,215 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 03:29:50,216 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 03:29:50,216 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 46 [2020-10-27 03:29:50,216 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 03:29:50,216 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 03:29:50,216 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 03:29:50,216 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-10-27 03:29:50,216 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 03:29:50,225 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-27 03:29:50,226 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 03:29:50,227 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:29:50,227 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 03:29:50,227 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-27 03:29:50,227 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 03:29:50,228 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-27 03:29:50,228 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 03:29:50,228 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 03:29:50,228 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 03:29:50,228 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-10-27 03:29:50,228 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 03:29:50,229 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-10-27 03:29:50,229 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 03:29:50,230 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:29:50,230 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 03:29:50,231 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-27 03:29:50,231 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 03:29:50,231 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 03:29:50,231 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 03:29:50,231 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 03:29:50,231 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 03:29:50,231 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-10-27 03:29:50,231 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 03:29:50,232 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-27 03:29:50,233 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 03:29:50,233 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:29:50,235 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 03:29:50,235 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 03:29:50,235 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 03:29:50,235 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 03:29:50,235 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 03:29:50,235 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 03:29:50,235 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 03:29:50,236 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-27 03:29:50,236 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 03:29:50,237 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-10-27 03:29:50,238 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 03:29:50,239 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:29:50,239 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 03:29:50,240 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-27 03:29:50,240 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 03:29:50,240 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 03:29:50,240 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 03:29:50,240 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 03:29:50,240 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 03:29:50,240 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-10-27 03:29:50,240 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 03:29:50,256 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2020-10-27 03:29:50,257 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 03:29:50,258 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:29:50,259 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 03:29:50,259 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 03:29:50,259 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 03:29:50,259 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 03:29:50,259 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 03:29:50,260 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 03:29:50,260 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 03:29:50,260 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-27 03:29:50,260 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 03:29:50,270 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2020-10-27 03:29:50,271 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 03:29:50,272 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:29:50,273 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 03:29:50,273 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 03:29:50,274 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 03:29:50,274 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 03:29:50,274 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 03:29:50,274 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 03:29:50,274 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 03:29:50,274 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-27 03:29:50,274 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 03:29:50,293 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2020-10-27 03:29:50,302 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 03:29:50,306 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:29:50,326 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 03:29:50,326 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 70 [2020-10-27 03:29:50,326 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 03:29:50,326 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 22 [2020-10-27 03:29:50,326 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 03:29:50,327 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-27 03:29:50,327 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-27 03:29:50,327 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 70 [2020-10-27 03:29:50,327 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 03:29:50,375 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-27 03:29:50,378 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 03:29:50,381 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:29:50,387 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 03:29:50,387 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 40 [2020-10-27 03:29:50,387 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 03:29:50,387 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-10-27 03:29:50,387 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 03:29:50,387 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-10-27 03:29:50,388 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 03:29:50,388 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 37 [2020-10-27 03:29:50,388 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 03:29:50,402 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-27 03:29:50,404 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 03:29:50,405 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:29:50,410 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 03:29:50,410 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 33 [2020-10-27 03:29:50,411 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 03:29:50,411 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-27 03:29:50,411 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 03:29:50,411 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 03:29:50,411 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 03:29:50,411 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 12 [2020-10-27 03:29:50,411 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 03:29:50,427 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-27 03:29:50,429 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 03:29:50,430 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:29:50,434 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 03:29:50,434 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 18 [2020-10-27 03:29:50,434 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 03:29:50,434 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-27 03:29:50,434 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 03:29:50,435 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 03:29:50,435 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 03:29:50,435 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-10-27 03:29:50,435 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 03:29:50,457 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 03:29:50,458 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 03:29:50,459 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:29:50,461 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 03:29:50,461 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 03:29:50,462 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 03:29:50,462 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-27 03:29:50,462 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 03:29:50,462 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 03:29:50,462 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 03:29:50,462 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 3 [2020-10-27 03:29:50,462 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 03:29:50,483 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2020-10-27 03:29:50,484 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 03:29:50,485 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:29:50,486 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 03:29:50,486 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 03:29:50,486 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 03:29:50,486 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 03:29:50,486 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 03:29:50,486 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 03:29:50,487 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 03:29:50,487 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-27 03:29:50,487 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 03:29:50,489 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 30 [2020-10-27 03:29:50,490 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 03:29:50,492 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:29:50,496 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 03:29:50,496 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 25 [2020-10-27 03:29:50,496 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 03:29:50,496 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-27 03:29:50,496 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 03:29:50,496 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 03:29:50,497 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 03:29:50,497 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 22 [2020-10-27 03:29:50,497 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 03:29:50,498 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 03:29:50,499 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 03:29:50,500 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:29:50,500 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 03:29:50,500 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 03:29:50,501 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 03:29:50,501 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-27 03:29:50,501 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 03:29:50,501 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 03:29:50,501 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 03:29:50,501 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 03:29:50,501 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 03:29:50,502 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2020-10-27 03:29:50,503 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 03:29:50,503 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:29:50,504 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 03:29:50,504 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 03:29:50,504 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 03:29:50,504 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-27 03:29:50,504 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 03:29:50,504 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 03:29:50,505 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 03:29:50,505 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 03:29:50,505 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 03:29:50,527 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2020-10-27 03:29:50,528 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 03:29:50,528 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:29:50,529 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 03:29:50,529 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 03:29:50,529 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 03:29:50,529 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 03:29:50,530 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 03:29:50,530 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 03:29:50,530 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-27 03:29:50,530 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 03:29:50,530 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 03:29:50,531 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 107 [2020-10-27 03:29:50,533 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 03:29:50,534 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:29:50,537 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 03:29:50,538 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 40 [2020-10-27 03:29:50,538 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 03:29:50,538 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-27 03:29:50,538 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 03:29:50,538 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 03:29:50,538 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 37 [2020-10-27 03:29:50,538 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 03:29:50,539 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 03:29:50,540 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-27 03:29:50,541 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 03:29:50,542 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:29:50,544 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 03:29:50,544 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 33 [2020-10-27 03:29:50,545 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 03:29:50,545 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-27 03:29:50,545 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 03:29:50,545 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 03:29:50,545 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 03:29:50,545 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 03:29:50,545 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 03:29:50,547 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-27 03:29:50,548 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 03:29:50,548 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:29:50,550 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 03:29:50,550 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 18 [2020-10-27 03:29:50,550 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 03:29:50,550 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 03:29:50,551 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 03:29:50,551 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 03:29:50,551 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 03:29:50,551 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 03:29:50,551 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 03:29:50,552 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 03:29:50,553 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 03:29:50,553 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:29:50,554 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 03:29:50,554 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 03:29:50,554 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 03:29:50,554 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-27 03:29:50,555 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 03:29:50,555 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 03:29:50,555 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 03:29:50,555 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 03:29:50,555 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 03:29:50,556 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2020-10-27 03:29:50,557 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 03:29:50,557 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:29:50,558 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 03:29:50,558 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 03:29:50,558 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 03:29:50,559 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-27 03:29:50,559 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 03:29:50,559 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 03:29:50,559 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 03:29:50,559 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 03:29:50,559 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 03:29:50,561 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 137 [2020-10-27 03:29:50,561 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 03:29:50,562 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:29:50,562 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 03:29:50,562 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 03:29:50,563 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 03:29:50,563 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-27 03:29:50,563 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 03:29:50,563 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 03:29:50,563 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-27 03:29:50,563 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 03:29:50,563 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 03:29:50,564 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 143 [2020-10-27 03:29:50,565 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 03:29:50,565 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:29:50,566 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 03:29:50,566 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 03:29:50,566 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 03:29:50,566 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-27 03:29:50,566 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 03:29:50,566 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 03:29:50,566 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-27 03:29:50,567 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 03:29:50,567 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 03:29:50,593 INFO L134 CoverageAnalysis]: Checked inductivity of 55 backedges. 22 proven. 14 refuted. 0 times theorem prover too weak. 19 trivial. 0 not checked. [2020-10-27 03:29:50,594 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [181275299] [2020-10-27 03:29:50,594 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-27 03:29:50,594 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [12] total 12 [2020-10-27 03:29:50,594 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [211915261] [2020-10-27 03:29:50,595 INFO L461 AbstractCegarLoop]: Interpolant automaton has 12 states [2020-10-27 03:29:50,595 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-27 03:29:50,595 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2020-10-27 03:29:50,595 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=32, Invalid=100, Unknown=0, NotChecked=0, Total=132 [2020-10-27 03:29:50,595 INFO L87 Difference]: Start difference. First operand 713 states and 837 transitions. Second operand 12 states. [2020-10-27 03:29:51,265 WARN L193 SmtUtils]: Spent 389.00 ms on a formula simplification that was a NOOP. DAG size: 207 [2020-10-27 03:29:52,595 WARN L193 SmtUtils]: Spent 764.00 ms on a formula simplification. DAG size of input: 208 DAG size of output: 207 [2020-10-27 03:29:57,738 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-27 03:29:57,738 INFO L93 Difference]: Finished difference Result 2309 states and 2982 transitions. [2020-10-27 03:29:57,739 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 40 states. [2020-10-27 03:29:57,739 INFO L78 Accepts]: Start accepts. Automaton has 12 states. Word has length 153 [2020-10-27 03:29:57,740 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-27 03:29:57,750 INFO L225 Difference]: With dead ends: 2309 [2020-10-27 03:29:57,750 INFO L226 Difference]: Without dead ends: 1624 [2020-10-27 03:29:57,755 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 102 GetRequests, 56 SyntacticMatches, 3 SemanticMatches, 43 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 599 ImplicationChecksByTransitivity, 2.4s TimeCoverageRelationStatistics Valid=451, Invalid=1529, Unknown=0, NotChecked=0, Total=1980 [2020-10-27 03:29:57,757 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1624 states. [2020-10-27 03:29:58,196 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1624 to 1326. [2020-10-27 03:29:58,196 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1326 states. [2020-10-27 03:29:58,202 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1326 states to 1326 states and 1559 transitions. [2020-10-27 03:29:58,203 INFO L78 Accepts]: Start accepts. Automaton has 1326 states and 1559 transitions. Word has length 153 [2020-10-27 03:29:58,203 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-27 03:29:58,203 INFO L481 AbstractCegarLoop]: Abstraction has 1326 states and 1559 transitions. [2020-10-27 03:29:58,203 INFO L482 AbstractCegarLoop]: Interpolant automaton has 12 states. [2020-10-27 03:29:58,203 INFO L276 IsEmpty]: Start isEmpty. Operand 1326 states and 1559 transitions. [2020-10-27 03:29:58,209 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 154 [2020-10-27 03:29:58,209 INFO L414 BasicCegarLoop]: Found error trace [2020-10-27 03:29:58,209 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, 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, 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] [2020-10-27 03:29:58,209 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2020-10-27 03:29:58,210 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]=== [2020-10-27 03:29:58,210 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-27 03:29:58,210 INFO L82 PathProgramCache]: Analyzing trace with hash -725485388, now seen corresponding path program 1 times [2020-10-27 03:29:58,210 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-27 03:29:58,211 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [5892608] [2020-10-27 03:29:58,211 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-27 03:29:58,239 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 03:29:58,268 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:29:58,332 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:29:58,363 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:29:58,422 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:29:59,292 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:29:59,823 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:30:01,163 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 03:30:01,163 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 217 [2020-10-27 03:30:01,164 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 6 [2020-10-27 03:30:01,164 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2916 [2020-10-27 03:30:01,164 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 03:30:01,164 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-27 03:30:01,164 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 105 [2020-10-27 03:30:01,164 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 45 [2020-10-27 03:30:01,164 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 03:30:01,562 WARN L193 SmtUtils]: Spent 366.00 ms on a formula simplification that was a NOOP. DAG size: 205 [2020-10-27 03:30:01,563 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-27 03:30:01,568 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 03:30:01,571 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:30:01,588 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 03:30:01,588 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 03:30:01,588 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 03:30:01,588 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 18 [2020-10-27 03:30:01,588 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 03:30:01,588 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 03:30:01,589 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 03:30:01,589 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 03:30:01,589 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 03:30:01,596 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-27 03:30:01,597 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 03:30:01,597 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:30:01,598 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 03:30:01,598 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-27 03:30:01,598 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 03:30:01,598 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-27 03:30:01,598 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 03:30:01,598 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 03:30:01,598 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 03:30:01,598 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 03:30:01,599 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 03:30:01,599 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-10-27 03:30:01,600 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 03:30:01,600 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:30:01,600 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 03:30:01,601 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-27 03:30:01,601 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 03:30:01,601 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-27 03:30:01,601 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 03:30:01,601 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 03:30:01,601 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 03:30:01,601 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 03:30:01,602 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 03:30:01,602 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-27 03:30:01,603 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 03:30:01,603 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:30:01,604 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 03:30:01,604 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 03:30:01,604 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 03:30:01,604 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-27 03:30:01,605 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 03:30:01,605 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 03:30:01,605 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 03:30:01,605 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 03:30:01,605 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 03:30:01,606 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-10-27 03:30:01,606 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 03:30:01,607 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:30:01,607 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 03:30:01,607 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-27 03:30:01,607 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 03:30:01,607 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-27 03:30:01,608 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 03:30:01,608 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 03:30:01,608 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 03:30:01,608 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 03:30:01,608 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 03:30:01,616 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2020-10-27 03:30:01,617 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 03:30:01,618 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:30:01,619 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 03:30:01,619 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 03:30:01,619 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 03:30:01,619 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 03:30:01,619 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 03:30:01,620 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 03:30:01,620 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 03:30:01,620 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 03:30:01,620 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 03:30:01,629 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2020-10-27 03:30:01,630 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 03:30:01,631 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:30:01,632 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 03:30:01,633 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 03:30:01,633 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 03:30:01,633 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 03:30:01,633 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 03:30:01,633 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 03:30:01,633 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 03:30:01,633 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 03:30:01,633 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 03:30:01,646 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2020-10-27 03:30:01,647 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 03:30:01,647 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:30:01,649 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 03:30:01,650 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 03:30:01,650 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 03:30:01,650 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-27 03:30:01,650 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 03:30:01,650 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 03:30:01,650 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 03:30:01,650 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 03:30:01,651 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 03:30:01,671 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 45 [2020-10-27 03:30:01,679 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 03:30:01,681 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:30:01,688 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 03:30:01,688 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 70 [2020-10-27 03:30:01,689 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 03:30:01,689 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 8 [2020-10-27 03:30:01,689 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 03:30:01,689 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 03:30:01,689 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 03:30:01,689 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 35 [2020-10-27 03:30:01,689 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 03:30:01,707 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-27 03:30:01,710 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 03:30:01,712 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:30:01,715 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 03:30:01,716 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 40 [2020-10-27 03:30:01,716 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 03:30:01,716 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-27 03:30:01,716 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 03:30:01,716 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 03:30:01,716 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 03:30:01,716 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 30 [2020-10-27 03:30:01,716 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 03:30:01,721 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-27 03:30:01,725 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 03:30:01,727 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:30:01,732 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 03:30:01,733 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 33 [2020-10-27 03:30:01,733 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 03:30:01,733 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-27 03:30:01,733 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 03:30:01,733 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 03:30:01,733 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 03:30:01,734 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 25 [2020-10-27 03:30:01,734 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 03:30:01,743 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-27 03:30:01,744 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 03:30:01,745 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:30:01,747 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 03:30:01,747 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 18 [2020-10-27 03:30:01,747 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 03:30:01,747 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-27 03:30:01,747 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 03:30:01,748 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 03:30:01,748 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 03:30:01,748 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 03:30:01,748 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 03:30:01,749 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 03:30:01,750 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 03:30:01,751 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:30:01,751 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 03:30:01,752 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 03:30:01,752 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 03:30:01,752 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-27 03:30:01,752 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 03:30:01,752 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 03:30:01,752 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 03:30:01,753 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 03:30:01,753 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 03:30:01,754 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2020-10-27 03:30:01,755 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 03:30:01,755 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:30:01,756 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 03:30:01,757 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 03:30:01,757 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 03:30:01,757 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 03:30:01,757 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 03:30:01,757 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 03:30:01,757 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 03:30:01,758 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-10-27 03:30:01,758 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 03:30:01,762 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 30 [2020-10-27 03:30:01,764 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 03:30:01,766 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:30:01,770 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 03:30:01,770 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 25 [2020-10-27 03:30:01,770 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 03:30:01,770 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-27 03:30:01,770 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 03:30:01,771 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 03:30:01,771 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 03:30:01,771 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 22 [2020-10-27 03:30:01,771 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 03:30:01,773 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 03:30:01,774 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 03:30:01,774 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:30:01,775 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 03:30:01,775 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 03:30:01,775 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 03:30:01,775 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-27 03:30:01,775 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 03:30:01,775 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 03:30:01,776 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 03:30:01,776 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 03:30:01,776 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 03:30:01,777 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2020-10-27 03:30:01,777 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 03:30:01,778 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:30:01,778 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 03:30:01,778 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 03:30:01,779 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 03:30:01,779 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-27 03:30:01,779 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 03:30:01,779 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 03:30:01,779 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 03:30:01,779 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 03:30:01,780 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 03:30:01,782 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 107 [2020-10-27 03:30:01,785 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 03:30:01,786 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:30:01,790 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 03:30:01,790 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 40 [2020-10-27 03:30:01,790 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 03:30:01,790 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-27 03:30:01,790 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 03:30:01,791 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 03:30:01,791 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 37 [2020-10-27 03:30:01,791 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 03:30:01,791 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 03:30:01,793 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-27 03:30:01,794 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 03:30:01,795 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:30:01,798 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 03:30:01,798 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 33 [2020-10-27 03:30:01,798 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 03:30:01,798 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-27 03:30:01,798 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 03:30:01,798 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 03:30:01,799 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 03:30:01,799 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 03:30:01,799 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 03:30:01,801 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-27 03:30:01,802 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 03:30:01,802 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:30:01,805 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 03:30:01,805 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 18 [2020-10-27 03:30:01,805 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 03:30:01,805 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-27 03:30:01,805 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 03:30:01,805 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 03:30:01,806 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 03:30:01,806 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 03:30:01,806 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 03:30:01,807 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 03:30:01,808 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 03:30:01,808 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:30:01,809 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 03:30:01,809 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 03:30:01,810 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 03:30:01,810 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-27 03:30:01,810 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 03:30:01,810 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 03:30:01,810 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 03:30:01,810 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 03:30:01,811 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 03:30:01,812 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2020-10-27 03:30:01,813 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 03:30:01,813 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:30:01,814 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 03:30:01,814 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 03:30:01,814 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 03:30:01,814 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-27 03:30:01,814 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 03:30:01,815 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 03:30:01,815 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 03:30:01,815 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 03:30:01,815 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 03:30:01,817 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 137 [2020-10-27 03:30:01,817 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 03:30:01,818 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:30:01,819 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 03:30:01,819 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 03:30:01,819 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 03:30:01,819 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-27 03:30:01,819 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 03:30:01,820 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 03:30:01,820 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-27 03:30:01,820 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 03:30:01,820 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 03:30:01,821 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 143 [2020-10-27 03:30:01,822 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 03:30:01,822 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:30:01,823 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 03:30:01,823 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 03:30:01,823 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 03:30:01,823 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-27 03:30:01,823 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 03:30:01,823 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 03:30:01,824 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-27 03:30:01,824 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 03:30:01,824 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 03:30:01,854 INFO L134 CoverageAnalysis]: Checked inductivity of 55 backedges. 21 proven. 7 refuted. 0 times theorem prover too weak. 27 trivial. 0 not checked. [2020-10-27 03:30:01,854 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [5892608] [2020-10-27 03:30:01,855 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-27 03:30:01,855 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9] total 9 [2020-10-27 03:30:01,855 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1077322853] [2020-10-27 03:30:01,856 INFO L461 AbstractCegarLoop]: Interpolant automaton has 9 states [2020-10-27 03:30:01,856 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-27 03:30:01,856 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2020-10-27 03:30:01,857 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=49, Unknown=0, NotChecked=0, Total=72 [2020-10-27 03:30:01,857 INFO L87 Difference]: Start difference. First operand 1326 states and 1559 transitions. Second operand 9 states. [2020-10-27 03:30:04,024 WARN L193 SmtUtils]: Spent 358.00 ms on a formula simplification that was a NOOP. DAG size: 207 [2020-10-27 03:30:06,058 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-27 03:30:06,058 INFO L93 Difference]: Finished difference Result 2430 states and 3061 transitions. [2020-10-27 03:30:06,059 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2020-10-27 03:30:06,059 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 153 [2020-10-27 03:30:06,060 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-27 03:30:06,061 INFO L225 Difference]: With dead ends: 2430 [2020-10-27 03:30:06,061 INFO L226 Difference]: Without dead ends: 0 [2020-10-27 03:30:06,068 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 85 GetRequests, 56 SyntacticMatches, 4 SemanticMatches, 25 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 158 ImplicationChecksByTransitivity, 1.1s TimeCoverageRelationStatistics Valid=205, Invalid=497, Unknown=0, NotChecked=0, Total=702 [2020-10-27 03:30:06,068 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2020-10-27 03:30:06,069 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2020-10-27 03:30:06,069 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2020-10-27 03:30:06,069 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2020-10-27 03:30:06,069 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 153 [2020-10-27 03:30:06,070 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-27 03:30:06,070 INFO L481 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-10-27 03:30:06,070 INFO L482 AbstractCegarLoop]: Interpolant automaton has 9 states. [2020-10-27 03:30:06,070 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2020-10-27 03:30:06,070 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-10-27 03:30:06,070 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2020-10-27 03:30:06,073 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2020-10-27 03:30:10,924 WARN L193 SmtUtils]: Spent 3.10 s on a formula simplification. DAG size of input: 507 DAG size of output: 424 [2020-10-27 03:30:12,747 WARN L193 SmtUtils]: Spent 1.57 s on a formula simplification. DAG size of input: 498 DAG size of output: 381 [2020-10-27 03:30:13,293 WARN L193 SmtUtils]: Spent 106.00 ms on a formula simplification. DAG size of input: 245 DAG size of output: 40 [2020-10-27 03:30:16,574 WARN L193 SmtUtils]: Spent 2.46 s on a formula simplification. DAG size of input: 507 DAG size of output: 416 [2020-10-27 03:30:19,478 WARN L193 SmtUtils]: Spent 1.74 s on a formula simplification. DAG size of input: 445 DAG size of output: 375 [2020-10-27 03:30:23,431 WARN L193 SmtUtils]: Spent 358.00 ms on a formula simplification. DAG size of input: 321 DAG size of output: 269 [2020-10-27 03:30:23,828 WARN L193 SmtUtils]: Spent 329.00 ms on a formula simplification. DAG size of input: 326 DAG size of output: 261 [2020-10-27 03:30:24,391 WARN L193 SmtUtils]: Spent 205.00 ms on a formula simplification. DAG size of input: 293 DAG size of output: 241 [2020-10-27 03:30:24,897 WARN L193 SmtUtils]: Spent 503.00 ms on a formula simplification. DAG size of input: 326 DAG size of output: 271 [2020-10-27 03:30:25,166 WARN L193 SmtUtils]: Spent 227.00 ms on a formula simplification. DAG size of input: 295 DAG size of output: 243 [2020-10-27 03:30:25,709 WARN L193 SmtUtils]: Spent 356.00 ms on a formula simplification. DAG size of input: 321 DAG size of output: 269 [2020-10-27 03:30:26,248 WARN L193 SmtUtils]: Spent 497.00 ms on a formula simplification. DAG size of input: 326 DAG size of output: 271 [2020-10-27 03:30:26,584 WARN L193 SmtUtils]: Spent 164.00 ms on a formula simplification. DAG size of input: 293 DAG size of output: 235 [2020-10-27 03:30:30,216 WARN L193 SmtUtils]: Spent 3.33 s on a formula simplification. DAG size of input: 592 DAG size of output: 485 [2020-10-27 03:30:32,948 WARN L193 SmtUtils]: Spent 1.43 s on a formula simplification. DAG size of input: 498 DAG size of output: 381 [2020-10-27 03:30:36,340 WARN L193 SmtUtils]: Spent 1.71 s on a formula simplification. DAG size of input: 210 DAG size of output: 42 [2020-10-27 03:30:36,596 WARN L193 SmtUtils]: Spent 249.00 ms on a formula simplification. DAG size of input: 172 DAG size of output: 1 [2020-10-27 03:30:38,128 WARN L193 SmtUtils]: Spent 1.52 s on a formula simplification. DAG size of input: 185 DAG size of output: 25 [2020-10-27 03:30:38,846 WARN L193 SmtUtils]: Spent 713.00 ms on a formula simplification. DAG size of input: 179 DAG size of output: 24 [2020-10-27 03:30:39,098 WARN L193 SmtUtils]: Spent 247.00 ms on a formula simplification. DAG size of input: 172 DAG size of output: 1 [2020-10-27 03:30:39,459 WARN L193 SmtUtils]: Spent 358.00 ms on a formula simplification. DAG size of input: 166 DAG size of output: 29 [2020-10-27 03:30:44,000 WARN L193 SmtUtils]: Spent 4.53 s on a formula simplification. DAG size of input: 357 DAG size of output: 48 [2020-10-27 03:30:44,251 WARN L193 SmtUtils]: Spent 246.00 ms on a formula simplification. DAG size of input: 178 DAG size of output: 1 [2020-10-27 03:30:44,627 WARN L193 SmtUtils]: Spent 355.00 ms on a formula simplification. DAG size of input: 166 DAG size of output: 29 [2020-10-27 03:30:44,991 WARN L193 SmtUtils]: Spent 361.00 ms on a formula simplification. DAG size of input: 166 DAG size of output: 29 [2020-10-27 03:30:45,355 WARN L193 SmtUtils]: Spent 362.00 ms on a formula simplification. DAG size of input: 166 DAG size of output: 29 [2020-10-27 03:30:48,290 WARN L193 SmtUtils]: Spent 2.90 s on a formula simplification. DAG size of input: 307 DAG size of output: 46 [2020-10-27 03:30:50,710 WARN L193 SmtUtils]: Spent 2.41 s on a formula simplification. DAG size of input: 201 DAG size of output: 37 [2020-10-27 03:30:52,133 WARN L193 SmtUtils]: Spent 1.41 s on a formula simplification. DAG size of input: 218 DAG size of output: 47 [2020-10-27 03:30:56,369 WARN L193 SmtUtils]: Spent 4.23 s on a formula simplification. DAG size of input: 349 DAG size of output: 43 [2020-10-27 03:30:56,568 WARN L193 SmtUtils]: Spent 194.00 ms on a formula simplification. DAG size of input: 53 DAG size of output: 32 [2020-10-27 03:30:58,557 WARN L193 SmtUtils]: Spent 1.98 s on a formula simplification. DAG size of input: 197 DAG size of output: 32 [2020-10-27 03:30:58,925 WARN L193 SmtUtils]: Spent 366.00 ms on a formula simplification that was a NOOP. DAG size: 205 [2020-10-27 03:31:02,329 WARN L193 SmtUtils]: Spent 3.40 s on a formula simplification. DAG size of input: 308 DAG size of output: 46 [2020-10-27 03:31:04,460 WARN L193 SmtUtils]: Spent 2.12 s on a formula simplification. DAG size of input: 219 DAG size of output: 42 [2020-10-27 03:31:05,576 WARN L193 SmtUtils]: Spent 1.11 s on a formula simplification. DAG size of input: 185 DAG size of output: 28 [2020-10-27 03:31:05,817 WARN L193 SmtUtils]: Spent 218.00 ms on a formula simplification. DAG size of input: 178 DAG size of output: 1 [2020-10-27 03:31:08,407 WARN L193 SmtUtils]: Spent 2.58 s on a formula simplification. DAG size of input: 200 DAG size of output: 35 [2020-10-27 03:31:10,116 WARN L193 SmtUtils]: Spent 1.69 s on a formula simplification. DAG size of input: 164 DAG size of output: 25 [2020-10-27 03:31:10,451 WARN L193 SmtUtils]: Spent 331.00 ms on a formula simplification. DAG size of input: 163 DAG size of output: 1 [2020-10-27 03:31:11,222 WARN L193 SmtUtils]: Spent 767.00 ms on a formula simplification. DAG size of input: 183 DAG size of output: 28 [2020-10-27 03:31:13,600 WARN L193 SmtUtils]: Spent 2.37 s on a formula simplification. DAG size of input: 199 DAG size of output: 33 [2020-10-27 03:31:13,968 WARN L193 SmtUtils]: Spent 336.00 ms on a formula simplification. DAG size of input: 166 DAG size of output: 29 [2020-10-27 03:31:15,191 WARN L193 SmtUtils]: Spent 1.22 s on a formula simplification. DAG size of input: 181 DAG size of output: 24 [2020-10-27 03:31:17,060 WARN L193 SmtUtils]: Spent 1.86 s on a formula simplification. DAG size of input: 174 DAG size of output: 28 [2020-10-27 03:31:19,276 WARN L193 SmtUtils]: Spent 2.21 s on a formula simplification. DAG size of input: 173 DAG size of output: 27 [2020-10-27 03:31:20,185 WARN L193 SmtUtils]: Spent 904.00 ms on a formula simplification. DAG size of input: 178 DAG size of output: 24 [2020-10-27 03:31:20,509 WARN L193 SmtUtils]: Spent 318.00 ms on a formula simplification. DAG size of input: 163 DAG size of output: 1 [2020-10-27 03:31:21,506 WARN L193 SmtUtils]: Spent 992.00 ms on a formula simplification. DAG size of input: 181 DAG size of output: 28 [2020-10-27 03:31:21,838 WARN L193 SmtUtils]: Spent 330.00 ms on a formula simplification. DAG size of input: 166 DAG size of output: 29 [2020-10-27 03:31:25,835 WARN L193 SmtUtils]: Spent 3.98 s on a formula simplification. DAG size of input: 359 DAG size of output: 59 [2020-10-27 03:31:27,442 WARN L193 SmtUtils]: Spent 1.60 s on a formula simplification. DAG size of input: 198 DAG size of output: 35 [2020-10-27 03:31:33,754 WARN L193 SmtUtils]: Spent 6.30 s on a formula simplification. DAG size of input: 412 DAG size of output: 51 [2020-10-27 03:31:34,084 WARN L193 SmtUtils]: Spent 326.00 ms on a formula simplification. DAG size of input: 158 DAG size of output: 20 [2020-10-27 03:31:34,318 WARN L193 SmtUtils]: Spent 231.00 ms on a formula simplification. DAG size of input: 172 DAG size of output: 1 [2020-10-27 03:31:35,326 WARN L193 SmtUtils]: Spent 1.00 s on a formula simplification. DAG size of input: 183 DAG size of output: 25 [2020-10-27 03:31:35,660 WARN L193 SmtUtils]: Spent 332.00 ms on a formula simplification. DAG size of input: 166 DAG size of output: 29 [2020-10-27 03:31:35,994 WARN L193 SmtUtils]: Spent 331.00 ms on a formula simplification. DAG size of input: 166 DAG size of output: 29 [2020-10-27 03:31:36,580 WARN L193 SmtUtils]: Spent 583.00 ms on a formula simplification. DAG size of input: 151 DAG size of output: 15 [2020-10-27 03:31:36,943 WARN L193 SmtUtils]: Spent 360.00 ms on a formula simplification. DAG size of input: 166 DAG size of output: 29 [2020-10-27 03:31:37,201 WARN L193 SmtUtils]: Spent 249.00 ms on a formula simplification. DAG size of input: 209 DAG size of output: 1 [2020-10-27 03:31:39,653 WARN L193 SmtUtils]: Spent 2.44 s on a formula simplification. DAG size of input: 208 DAG size of output: 36 [2020-10-27 03:31:40,559 WARN L193 SmtUtils]: Spent 896.00 ms on a formula simplification. DAG size of input: 180 DAG size of output: 25 [2020-10-27 03:31:43,486 WARN L193 SmtUtils]: Spent 2.92 s on a formula simplification. DAG size of input: 307 DAG size of output: 46 [2020-10-27 03:31:44,462 WARN L193 SmtUtils]: Spent 952.00 ms on a formula simplification. DAG size of input: 176 DAG size of output: 18 [2020-10-27 03:31:45,054 WARN L193 SmtUtils]: Spent 586.00 ms on a formula simplification. DAG size of input: 151 DAG size of output: 15 [2020-10-27 03:31:48,230 WARN L193 SmtUtils]: Spent 3.17 s on a formula simplification. DAG size of input: 214 DAG size of output: 37