/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=DEEPEST --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_spec4_product42.cil.c -------------------------------------------------------------------------------- This is Ultimate 0.2.0-0f64333 [2020-10-27 22:16:10,797 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-10-27 22:16:10,802 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-10-27 22:16:10,867 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-10-27 22:16:10,868 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-10-27 22:16:10,875 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-10-27 22:16:10,877 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-10-27 22:16:10,882 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-10-27 22:16:10,886 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-10-27 22:16:10,894 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-10-27 22:16:10,896 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-10-27 22:16:10,897 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-10-27 22:16:10,898 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-10-27 22:16:10,902 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-10-27 22:16:10,905 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-10-27 22:16:10,908 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-10-27 22:16:10,909 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-10-27 22:16:10,913 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-10-27 22:16:10,939 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-10-27 22:16:10,942 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-10-27 22:16:10,949 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-10-27 22:16:10,951 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-10-27 22:16:10,953 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-10-27 22:16:10,954 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-10-27 22:16:10,964 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-10-27 22:16:10,965 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-10-27 22:16:10,965 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-10-27 22:16:10,969 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-10-27 22:16:10,970 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-10-27 22:16:10,971 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-10-27 22:16:10,971 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-10-27 22:16:10,972 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-10-27 22:16:10,974 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-10-27 22:16:10,976 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-10-27 22:16:10,977 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-10-27 22:16:10,977 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-10-27 22:16:10,978 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-10-27 22:16:10,978 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-10-27 22:16:10,979 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-10-27 22:16:10,980 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-10-27 22:16:10,981 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-10-27 22:16:10,989 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 22:16:11,044 INFO L113 SettingsManager]: Loading preferences was successful [2020-10-27 22:16:11,044 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-10-27 22:16:11,050 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-10-27 22:16:11,050 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-10-27 22:16:11,050 INFO L138 SettingsManager]: * Use SBE=true [2020-10-27 22:16:11,051 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-10-27 22:16:11,051 INFO L138 SettingsManager]: * sizeof long=4 [2020-10-27 22:16:11,051 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-10-27 22:16:11,051 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-10-27 22:16:11,052 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-10-27 22:16:11,052 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-10-27 22:16:11,053 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-10-27 22:16:11,053 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-10-27 22:16:11,053 INFO L138 SettingsManager]: * sizeof long double=12 [2020-10-27 22:16:11,053 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-10-27 22:16:11,053 INFO L138 SettingsManager]: * Use constant arrays=true [2020-10-27 22:16:11,054 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-10-27 22:16:11,054 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-10-27 22:16:11,054 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-10-27 22:16:11,054 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-10-27 22:16:11,055 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-10-27 22:16:11,055 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-10-27 22:16:11,055 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-10-27 22:16:11,056 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-10-27 22:16:11,056 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-10-27 22:16:11,056 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-10-27 22:16:11,056 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-10-27 22:16:11,056 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-10-27 22:16:11,058 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-10-27 22:16:11,058 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Trace refinement strategy -> FIXED_PREFERENCES Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute Interpolants along a Counterexample -> Craig_NestedInterpolation Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: SMT solver -> Internal_SMTInterpol Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute trace for counterexample result -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder: Size of a code block -> SequenceOfStatements Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Use minimal unsat core enumeration -> true Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=5000;interpolation-heuristic=DEEPEST;log-additional-information=true;unknown-allowed=true; [2020-10-27 22:16:11,495 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-10-27 22:16:11,529 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-10-27 22:16:11,533 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-10-27 22:16:11,534 INFO L271 PluginConnector]: Initializing CDTParser... [2020-10-27 22:16:11,535 INFO L275 PluginConnector]: CDTParser initialized [2020-10-27 22:16:11,536 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/product-lines/minepump_spec4_product42.cil.c [2020-10-27 22:16:11,614 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/316af0ffe/19ffa8170a7b4dfe96fd00abc67a7f24/FLAG98af0489c [2020-10-27 22:16:12,401 INFO L306 CDTParser]: Found 1 translation units. [2020-10-27 22:16:12,401 INFO L160 CDTParser]: Scanning /storage/repos/ultimate-2/trunk/examples/svcomp/product-lines/minepump_spec4_product42.cil.c [2020-10-27 22:16:12,420 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/316af0ffe/19ffa8170a7b4dfe96fd00abc67a7f24/FLAG98af0489c [2020-10-27 22:16:12,678 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/316af0ffe/19ffa8170a7b4dfe96fd00abc67a7f24 [2020-10-27 22:16:12,682 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-10-27 22:16:12,689 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-10-27 22:16:12,691 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-10-27 22:16:12,691 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-10-27 22:16:12,695 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-10-27 22:16:12,696 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.10 10:16:12" (1/1) ... [2020-10-27 22:16:12,699 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1ef1d227 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 10:16:12, skipping insertion in model container [2020-10-27 22:16:12,700 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.10 10:16:12" (1/1) ... [2020-10-27 22:16:12,709 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-10-27 22:16:12,749 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-10-27 22:16:13,093 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-27 22:16:13,116 INFO L203 MainTranslator]: Completed pre-run [2020-10-27 22:16:13,216 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-27 22:16:13,260 INFO L208 MainTranslator]: Completed translation [2020-10-27 22:16:13,260 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 10:16:13 WrapperNode [2020-10-27 22:16:13,261 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-10-27 22:16:13,262 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-10-27 22:16:13,262 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-10-27 22:16:13,262 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-10-27 22:16:13,276 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 10:16:13" (1/1) ... [2020-10-27 22:16:13,278 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 10:16:13" (1/1) ... [2020-10-27 22:16:13,307 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 10:16:13" (1/1) ... [2020-10-27 22:16:13,308 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 10:16:13" (1/1) ... [2020-10-27 22:16:13,337 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 10:16:13" (1/1) ... [2020-10-27 22:16:13,346 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 10:16:13" (1/1) ... [2020-10-27 22:16:13,351 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 10:16:13" (1/1) ... [2020-10-27 22:16:13,360 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-10-27 22:16:13,361 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-10-27 22:16:13,361 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-10-27 22:16:13,361 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-10-27 22:16:13,362 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 10:16:13" (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 22:16:13,448 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-10-27 22:16:13,448 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-10-27 22:16:13,448 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~X~int~TO~int [2020-10-27 22:16:13,448 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error [2020-10-27 22:16:13,448 INFO L138 BoogieDeclarations]: Found implementation of procedure lowerWaterLevel [2020-10-27 22:16:13,449 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2020-10-27 22:16:13,449 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2020-10-27 22:16:13,449 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2020-10-27 22:16:13,449 INFO L138 BoogieDeclarations]: Found implementation of procedure printEnvironment [2020-10-27 22:16:13,449 INFO L138 BoogieDeclarations]: Found implementation of procedure getWaterLevel [2020-10-27 22:16:13,449 INFO L138 BoogieDeclarations]: Found implementation of procedure isHighWaterSensorDry [2020-10-27 22:16:13,450 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_set [2020-10-27 22:16:13,450 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_free [2020-10-27 22:16:13,450 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_reset [2020-10-27 22:16:13,450 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__error_stack_mgt [2020-10-27 22:16:13,450 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_arg [2020-10-27 22:16:13,450 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_argtype [2020-10-27 22:16:13,451 INFO L138 BoogieDeclarations]: Found implementation of procedure select_one [2020-10-27 22:16:13,451 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2020-10-27 22:16:13,451 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2020-10-27 22:16:13,451 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2020-10-27 22:16:13,451 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification4_spec__1 [2020-10-27 22:16:13,451 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2020-10-27 22:16:13,452 INFO L138 BoogieDeclarations]: Found implementation of procedure Specification2 [2020-10-27 22:16:13,452 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2020-10-27 22:16:13,452 INFO L138 BoogieDeclarations]: Found implementation of procedure runTest [2020-10-27 22:16:13,452 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-10-27 22:16:13,452 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2020-10-27 22:16:13,452 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2020-10-27 22:16:13,453 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__base [2020-10-27 22:16:13,453 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment [2020-10-27 22:16:13,453 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump__wrappee__highWaterSensor [2020-10-27 22:16:13,453 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump [2020-10-27 22:16:13,453 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivatePump [2020-10-27 22:16:13,453 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneAlarm [2020-10-27 22:16:13,453 INFO L138 BoogieDeclarations]: Found implementation of procedure isPumpRunning [2020-10-27 22:16:13,454 INFO L138 BoogieDeclarations]: Found implementation of procedure printPump [2020-10-27 22:16:13,454 INFO L138 BoogieDeclarations]: Found implementation of procedure isHighWaterLevel [2020-10-27 22:16:13,454 INFO L138 BoogieDeclarations]: Found implementation of procedure startSystem [2020-10-27 22:16:13,454 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2020-10-27 22:16:13,454 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2020-10-27 22:16:13,454 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2020-10-27 22:16:13,454 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error [2020-10-27 22:16:13,454 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-10-27 22:16:13,454 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2020-10-27 22:16:13,455 INFO L130 BoogieDeclarations]: Found specification of procedure printf [2020-10-27 22:16:13,455 INFO L130 BoogieDeclarations]: Found specification of procedure lowerWaterLevel [2020-10-27 22:16:13,455 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2020-10-27 22:16:13,455 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2020-10-27 22:16:13,455 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2020-10-27 22:16:13,455 INFO L130 BoogieDeclarations]: Found specification of procedure getWaterLevel [2020-10-27 22:16:13,455 INFO L130 BoogieDeclarations]: Found specification of procedure printEnvironment [2020-10-27 22:16:13,455 INFO L130 BoogieDeclarations]: Found specification of procedure isHighWaterSensorDry [2020-10-27 22:16:13,456 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2020-10-27 22:16:13,456 INFO L130 BoogieDeclarations]: Found specification of procedure free [2020-10-27 22:16:13,456 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_set [2020-10-27 22:16:13,456 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2020-10-27 22:16:13,456 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2020-10-27 22:16:13,456 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-10-27 22:16:13,457 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2020-10-27 22:16:13,457 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_free [2020-10-27 22:16:13,457 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-10-27 22:16:13,457 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_reset [2020-10-27 22:16:13,457 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~X~int~TO~int [2020-10-27 22:16:13,457 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2020-10-27 22:16:13,457 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__error_stack_mgt [2020-10-27 22:16:13,458 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_arg [2020-10-27 22:16:13,458 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_argtype [2020-10-27 22:16:13,458 INFO L130 BoogieDeclarations]: Found specification of procedure select_one [2020-10-27 22:16:13,458 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2020-10-27 22:16:13,458 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2020-10-27 22:16:13,458 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2020-10-27 22:16:13,458 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2020-10-27 22:16:13,459 INFO L130 BoogieDeclarations]: Found specification of procedure isPumpRunning [2020-10-27 22:16:13,459 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification4_spec__1 [2020-10-27 22:16:13,459 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2020-10-27 22:16:13,459 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2020-10-27 22:16:13,459 INFO L130 BoogieDeclarations]: Found specification of procedure printPump [2020-10-27 22:16:13,459 INFO L130 BoogieDeclarations]: Found specification of procedure Specification2 [2020-10-27 22:16:13,460 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2020-10-27 22:16:13,460 INFO L130 BoogieDeclarations]: Found specification of procedure test [2020-10-27 22:16:13,460 INFO L130 BoogieDeclarations]: Found specification of procedure runTest [2020-10-27 22:16:13,460 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-10-27 22:16:13,460 INFO L130 BoogieDeclarations]: Found specification of procedure startSystem [2020-10-27 22:16:13,460 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump [2020-10-27 22:16:13,460 INFO L130 BoogieDeclarations]: Found specification of procedure deactivatePump [2020-10-27 22:16:13,461 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment [2020-10-27 22:16:13,461 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__base [2020-10-27 22:16:13,461 INFO L130 BoogieDeclarations]: Found specification of procedure isHighWaterLevel [2020-10-27 22:16:13,461 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump__wrappee__highWaterSensor [2020-10-27 22:16:13,461 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneAlarm [2020-10-27 22:16:13,461 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-10-27 22:16:13,461 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-10-27 22:16:13,462 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-10-27 22:16:14,597 INFO L293 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-10-27 22:16:14,597 INFO L298 CfgBuilder]: Removed 5 assume(true) statements. [2020-10-27 22:16:14,599 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 27.10 10:16:14 BoogieIcfgContainer [2020-10-27 22:16:14,599 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-10-27 22:16:14,601 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-10-27 22:16:14,601 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-10-27 22:16:14,605 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-10-27 22:16:14,605 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 27.10 10:16:12" (1/3) ... [2020-10-27 22:16:14,606 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3e8a07f3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 27.10 10:16:14, skipping insertion in model container [2020-10-27 22:16:14,606 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 10:16:13" (2/3) ... [2020-10-27 22:16:14,607 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3e8a07f3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 27.10 10:16:14, skipping insertion in model container [2020-10-27 22:16:14,607 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 27.10 10:16:14" (3/3) ... [2020-10-27 22:16:14,608 INFO L111 eAbstractionObserver]: Analyzing ICFG minepump_spec4_product42.cil.c [2020-10-27 22:16:14,620 INFO L164 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:Craig_NestedInterpolation Determinization: PREDICATE_ABSTRACTION [2020-10-27 22:16:14,626 INFO L176 ceAbstractionStarter]: Appying trace abstraction to program that has 5 error locations. [2020-10-27 22:16:14,640 INFO L253 AbstractCegarLoop]: Starting to check reachability of 5 error locations. [2020-10-27 22:16:14,668 INFO L377 AbstractCegarLoop]: Interprodecural is true [2020-10-27 22:16:14,668 INFO L378 AbstractCegarLoop]: Hoare is true [2020-10-27 22:16:14,669 INFO L379 AbstractCegarLoop]: Compute interpolants for Craig_NestedInterpolation [2020-10-27 22:16:14,669 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-10-27 22:16:14,669 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-10-27 22:16:14,669 INFO L382 AbstractCegarLoop]: Difference is false [2020-10-27 22:16:14,669 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-10-27 22:16:14,669 INFO L387 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-10-27 22:16:14,692 INFO L276 IsEmpty]: Start isEmpty. Operand 171 states. [2020-10-27 22:16:14,701 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2020-10-27 22:16:14,701 INFO L414 BasicCegarLoop]: Found error trace [2020-10-27 22:16:14,702 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] [2020-10-27 22:16:14,702 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 22:16:14,708 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-27 22:16:14,709 INFO L82 PathProgramCache]: Analyzing trace with hash -973821582, now seen corresponding path program 1 times [2020-10-27 22:16:14,718 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-27 22:16:14,719 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1260137473] [2020-10-27 22:16:14,719 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-27 22:16:14,974 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:16:15,126 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:16:15,228 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:16:15,610 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:16:17,604 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:16:17,956 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:16:20,014 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:16:20,014 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 79 [2020-10-27 22:16:20,015 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 5 [2020-10-27 22:16:20,015 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5031 [2020-10-27 22:16:20,017 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:16:20,018 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-27 22:16:20,018 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 50 [2020-10-27 22:16:20,018 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 22 [2020-10-27 22:16:20,018 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 3 [2020-10-27 22:16:20,460 WARN L193 SmtUtils]: Spent 333.00 ms on a formula simplification that was a NOOP. DAG size: 202 [2020-10-27 22:16:20,462 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-27 22:16:20,471 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:16:20,475 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:16:20,507 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:16:20,507 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 22:16:20,508 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 22:16:20,508 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 35 [2020-10-27 22:16:20,508 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:16:20,508 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 22:16:20,509 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 22:16:20,509 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 22:16:20,509 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:16:20,528 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-27 22:16:20,530 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:16:20,531 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:16:20,535 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:16:20,536 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-27 22:16:20,536 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 22:16:20,536 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-27 22:16:20,536 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:16:20,537 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 22:16:20,537 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 22:16:20,537 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 22:16:20,537 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:16:20,539 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-10-27 22:16:20,540 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:16:20,541 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:16:20,542 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:16:20,542 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-27 22:16:20,542 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 22:16:20,542 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 22:16:20,542 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:16:20,543 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 22:16:20,543 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 22:16:20,543 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 22:16:20,543 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:16:20,545 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-27 22:16:20,547 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:16:20,547 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:16:20,550 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:16:20,551 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 22:16:20,551 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 22:16:20,551 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-27 22:16:20,551 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:16:20,551 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 22:16:20,552 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 22:16:20,552 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 22:16:20,552 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:16:20,553 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-10-27 22:16:20,560 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:16:20,564 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:16:20,565 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:16:20,568 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-27 22:16:20,568 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 22:16:20,568 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 22:16:20,568 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:16:20,569 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 22:16:20,569 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 22:16:20,569 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 22:16:20,569 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:16:20,570 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2020-10-27 22:16:20,576 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:16:20,578 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:16:20,581 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:16:20,581 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 22:16:20,582 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 22:16:20,582 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-27 22:16:20,582 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:16:20,582 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 22:16:20,582 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 22:16:20,583 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-27 22:16:20,583 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:16:20,593 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2020-10-27 22:16:20,595 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:16:20,600 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:16:20,611 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:16:20,611 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 22:16:20,611 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 22:16:20,612 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 15 [2020-10-27 22:16:20,612 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:16:20,612 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-27 22:16:20,612 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 22:16:20,612 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-27 22:16:20,613 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:16:20,643 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 22:16:20,644 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1260137473] [2020-10-27 22:16:20,646 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-27 22:16:20,646 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2020-10-27 22:16:20,647 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [859702306] [2020-10-27 22:16:20,652 INFO L461 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-10-27 22:16:20,652 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-27 22:16:20,667 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-10-27 22:16:20,668 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2020-10-27 22:16:20,670 INFO L87 Difference]: Start difference. First operand 171 states. Second operand 7 states. [2020-10-27 22:16:21,325 WARN L193 SmtUtils]: Spent 393.00 ms on a formula simplification that was a NOOP. DAG size: 204 [2020-10-27 22:16:22,478 WARN L193 SmtUtils]: Spent 347.00 ms on a formula simplification that was a NOOP. DAG size: 206 [2020-10-27 22:16:22,940 WARN L193 SmtUtils]: Spent 380.00 ms on a formula simplification that was a NOOP. DAG size: 206 [2020-10-27 22:16:23,370 WARN L193 SmtUtils]: Spent 386.00 ms on a formula simplification that was a NOOP. DAG size: 206 [2020-10-27 22:16:24,387 WARN L193 SmtUtils]: Spent 361.00 ms on a formula simplification that was a NOOP. DAG size: 204 [2020-10-27 22:16:24,811 WARN L193 SmtUtils]: Spent 341.00 ms on a formula simplification that was a NOOP. DAG size: 205 [2020-10-27 22:16:26,039 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-27 22:16:26,040 INFO L93 Difference]: Finished difference Result 381 states and 517 transitions. [2020-10-27 22:16:26,040 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2020-10-27 22:16:26,042 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 47 [2020-10-27 22:16:26,043 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-27 22:16:26,057 INFO L225 Difference]: With dead ends: 381 [2020-10-27 22:16:26,058 INFO L226 Difference]: Without dead ends: 231 [2020-10-27 22:16:26,063 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 26 GetRequests, 15 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 12 ImplicationChecksByTransitivity, 2.7s TimeCoverageRelationStatistics Valid=43, Invalid=113, Unknown=0, NotChecked=0, Total=156 [2020-10-27 22:16:26,085 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 231 states. [2020-10-27 22:16:26,202 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 231 to 197. [2020-10-27 22:16:26,203 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 197 states. [2020-10-27 22:16:26,207 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 197 states to 197 states and 244 transitions. [2020-10-27 22:16:26,209 INFO L78 Accepts]: Start accepts. Automaton has 197 states and 244 transitions. Word has length 47 [2020-10-27 22:16:26,210 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-27 22:16:26,210 INFO L481 AbstractCegarLoop]: Abstraction has 197 states and 244 transitions. [2020-10-27 22:16:26,210 INFO L482 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-10-27 22:16:26,210 INFO L276 IsEmpty]: Start isEmpty. Operand 197 states and 244 transitions. [2020-10-27 22:16:26,215 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 92 [2020-10-27 22:16:26,215 INFO L414 BasicCegarLoop]: Found error trace [2020-10-27 22:16:26,216 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, 1] [2020-10-27 22:16:26,216 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-10-27 22:16:26,216 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 22:16:26,217 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-27 22:16:26,217 INFO L82 PathProgramCache]: Analyzing trace with hash 227892088, now seen corresponding path program 1 times [2020-10-27 22:16:26,217 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-27 22:16:26,218 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1659887164] [2020-10-27 22:16:26,218 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-27 22:16:26,252 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:16:26,275 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:16:26,321 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:16:31,052 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:16:31,053 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 135 [2020-10-27 22:16:31,053 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-27 22:16:31,053 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4798 [2020-10-27 22:16:31,053 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:16:31,053 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-27 22:16:31,054 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 73 [2020-10-27 22:16:31,054 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-27 22:16:31,054 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:16:31,404 WARN L193 SmtUtils]: Spent 293.00 ms on a formula simplification that was a NOOP. DAG size: 202 [2020-10-27 22:16:31,405 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-27 22:16:31,416 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:16:31,419 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:16:31,444 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:16:31,445 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 22:16:31,445 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 22:16:31,445 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 27 [2020-10-27 22:16:31,445 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:16:31,445 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 22:16:31,445 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 22:16:31,446 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 22:16:31,446 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:16:31,460 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-27 22:16:31,461 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:16:31,461 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:16:31,462 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:16:31,462 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-27 22:16:31,463 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 22:16:31,463 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 22:16:31,463 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:16:31,463 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 22:16:31,463 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 22:16:31,463 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 22:16:31,463 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:16:31,464 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-10-27 22:16:31,465 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:16:31,467 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:16:31,468 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:16:31,468 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-27 22:16:31,468 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 22:16:31,468 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 22:16:31,468 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:16:31,469 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 22:16:31,469 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 22:16:31,469 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 22:16:31,469 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:16:31,470 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-27 22:16:31,474 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:16:31,475 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:16:31,476 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:16:31,476 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 22:16:31,476 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 22:16:31,477 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 22:16:31,477 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:16:31,477 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 22:16:31,477 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 22:16:31,477 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 22:16:31,477 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:16:31,479 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-10-27 22:16:31,479 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:16:31,480 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:16:31,481 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:16:31,481 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-27 22:16:31,481 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 22:16:31,481 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-27 22:16:31,481 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:16:31,481 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 22:16:31,482 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 22:16:31,482 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 22:16:31,482 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:16:31,494 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2020-10-27 22:16:31,499 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:16:31,502 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:16:31,527 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:16:31,527 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 54 [2020-10-27 22:16:31,527 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 22:16:31,527 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 26 [2020-10-27 22:16:31,528 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:16:31,528 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-27 22:16:31,528 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 16 [2020-10-27 22:16:31,528 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-27 22:16:31,528 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:16:31,575 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-27 22:16:31,578 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:16:31,588 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:16:31,601 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:16:31,602 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 18 [2020-10-27 22:16:31,602 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 22:16:31,602 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 22 [2020-10-27 22:16:31,602 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:16:31,602 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-27 22:16:31,602 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 22:16:31,603 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 14 [2020-10-27 22:16:31,603 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:16:31,641 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 22:16:31,644 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:16:31,644 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:16:31,645 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:16:31,645 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 22:16:31,646 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 22:16:31,646 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 22:16:31,649 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:16:31,649 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 22:16:31,649 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 22:16:31,650 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 22:16:31,650 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:16:31,653 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2020-10-27 22:16:31,656 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:16:31,665 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:16:31,669 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:16:31,669 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 29 [2020-10-27 22:16:31,669 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 22:16:31,669 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 9 [2020-10-27 22:16:31,669 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:16:31,670 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 22:16:31,670 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 26 [2020-10-27 22:16:31,670 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 22:16:31,673 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 3 [2020-10-27 22:16:31,677 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 22:16:31,682 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:16:31,683 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:16:31,685 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:16:31,685 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 15 [2020-10-27 22:16:31,685 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 22:16:31,685 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-27 22:16:31,686 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:16:31,686 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 22:16:31,686 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 22:16:31,688 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 22:16:31,689 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 3 [2020-10-27 22:16:31,690 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 22:16:31,693 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:16:31,693 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:16:31,694 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:16:31,694 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 22:16:31,695 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 22:16:31,695 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 22:16:31,695 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:16:31,695 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 22:16:31,695 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 22:16:31,695 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 22:16:31,695 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:16:31,697 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-27 22:16:31,698 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:16:31,699 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:16:31,700 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:16:31,700 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 22:16:31,700 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 22:16:31,700 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 22:16:31,702 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:16:31,702 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 22:16:31,702 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 22:16:31,702 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 22:16:31,703 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:16:31,706 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 76 [2020-10-27 22:16:31,707 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:16:31,708 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:16:31,709 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:16:31,709 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 22:16:31,709 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 22:16:31,709 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 22:16:31,709 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:16:31,710 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 22:16:31,710 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-27 22:16:31,710 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 22:16:31,710 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:16:31,711 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2020-10-27 22:16:31,713 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:16:31,714 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:16:31,715 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:16:31,715 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 22:16:31,715 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 22:16:31,715 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 22:16:31,715 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:16:31,715 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 22:16:31,715 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-27 22:16:31,716 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 22:16:31,716 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:16:31,736 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 22:16:31,737 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1659887164] [2020-10-27 22:16:31,738 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-27 22:16:31,738 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2020-10-27 22:16:31,738 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [54479795] [2020-10-27 22:16:31,740 INFO L461 AbstractCegarLoop]: Interpolant automaton has 8 states [2020-10-27 22:16:31,740 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-27 22:16:31,741 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2020-10-27 22:16:31,741 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=42, Unknown=0, NotChecked=0, Total=56 [2020-10-27 22:16:31,741 INFO L87 Difference]: Start difference. First operand 197 states and 244 transitions. Second operand 8 states. [2020-10-27 22:16:33,128 WARN L193 SmtUtils]: Spent 353.00 ms on a formula simplification that was a NOOP. DAG size: 205 [2020-10-27 22:16:33,546 WARN L193 SmtUtils]: Spent 339.00 ms on a formula simplification that was a NOOP. DAG size: 207 [2020-10-27 22:16:33,946 WARN L193 SmtUtils]: Spent 331.00 ms on a formula simplification that was a NOOP. DAG size: 205 [2020-10-27 22:16:34,352 WARN L193 SmtUtils]: Spent 360.00 ms on a formula simplification that was a NOOP. DAG size: 208 [2020-10-27 22:16:35,353 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-27 22:16:35,353 INFO L93 Difference]: Finished difference Result 435 states and 606 transitions. [2020-10-27 22:16:35,354 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2020-10-27 22:16:35,354 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 91 [2020-10-27 22:16:35,355 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-27 22:16:35,359 INFO L225 Difference]: With dead ends: 435 [2020-10-27 22:16:35,359 INFO L226 Difference]: Without dead ends: 262 [2020-10-27 22:16:35,363 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 39 GetRequests, 29 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 9 ImplicationChecksByTransitivity, 1.8s TimeCoverageRelationStatistics Valid=36, Invalid=96, Unknown=0, NotChecked=0, Total=132 [2020-10-27 22:16:35,364 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 262 states. [2020-10-27 22:16:35,426 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 262 to 202. [2020-10-27 22:16:35,426 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 202 states. [2020-10-27 22:16:35,428 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 202 states to 202 states and 249 transitions. [2020-10-27 22:16:35,429 INFO L78 Accepts]: Start accepts. Automaton has 202 states and 249 transitions. Word has length 91 [2020-10-27 22:16:35,429 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-27 22:16:35,429 INFO L481 AbstractCegarLoop]: Abstraction has 202 states and 249 transitions. [2020-10-27 22:16:35,430 INFO L482 AbstractCegarLoop]: Interpolant automaton has 8 states. [2020-10-27 22:16:35,430 INFO L276 IsEmpty]: Start isEmpty. Operand 202 states and 249 transitions. [2020-10-27 22:16:35,432 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 87 [2020-10-27 22:16:35,432 INFO L414 BasicCegarLoop]: Found error trace [2020-10-27 22:16:35,432 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] [2020-10-27 22:16:35,432 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-10-27 22:16:35,433 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 22:16:35,433 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-27 22:16:35,433 INFO L82 PathProgramCache]: Analyzing trace with hash -801995074, now seen corresponding path program 1 times [2020-10-27 22:16:35,433 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-27 22:16:35,434 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [680863761] [2020-10-27 22:16:35,434 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-27 22:16:35,462 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:16:35,479 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:16:35,531 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:16:35,707 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:16:40,466 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:16:40,467 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 132 [2020-10-27 22:16:40,467 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-10-27 22:16:40,467 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5002 [2020-10-27 22:16:40,467 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:16:40,467 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-27 22:16:40,467 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 66 [2020-10-27 22:16:40,468 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-27 22:16:40,468 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:16:40,810 WARN L193 SmtUtils]: Spent 292.00 ms on a formula simplification that was a NOOP. DAG size: 202 [2020-10-27 22:16:40,811 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-27 22:16:40,822 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:16:40,825 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:16:40,848 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:16:40,849 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 22:16:40,849 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 22:16:40,849 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 25 [2020-10-27 22:16:40,849 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:16:40,849 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 22:16:40,849 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 22:16:40,850 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 22:16:40,850 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:16:40,862 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-27 22:16:40,863 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:16:40,863 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:16:40,864 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:16:40,864 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-27 22:16:40,864 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 22:16:40,864 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-27 22:16:40,865 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:16:40,865 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 22:16:40,865 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 22:16:40,865 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 22:16:40,865 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:16:40,866 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-10-27 22:16:40,866 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:16:40,867 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:16:40,867 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:16:40,867 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-27 22:16:40,867 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 22:16:40,868 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-27 22:16:40,868 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:16:40,868 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 22:16:40,868 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 22:16:40,868 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 22:16:40,868 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:16:40,869 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-27 22:16:40,870 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:16:40,870 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:16:40,871 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:16:40,871 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 22:16:40,872 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 22:16:40,872 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 22:16:40,872 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:16:40,872 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 22:16:40,872 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 22:16:40,872 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 22:16:40,872 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:16:40,873 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-10-27 22:16:40,874 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:16:40,875 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:16:40,875 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:16:40,875 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-27 22:16:40,875 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 22:16:40,876 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-27 22:16:40,876 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:16:40,876 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 22:16:40,876 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 22:16:40,876 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 22:16:40,876 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:16:40,890 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 31 [2020-10-27 22:16:40,894 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:16:40,897 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:16:40,914 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:16:40,915 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 54 [2020-10-27 22:16:40,915 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 22:16:40,915 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 19 [2020-10-27 22:16:40,915 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:16:40,915 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-27 22:16:40,915 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 12 [2020-10-27 22:16:40,916 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-27 22:16:40,916 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:16:40,919 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-27 22:16:40,921 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:16:40,922 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:16:40,930 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:16:40,931 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 18 [2020-10-27 22:16:40,931 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 22:16:40,931 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 9 [2020-10-27 22:16:40,931 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:16:40,931 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-27 22:16:40,931 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 7 [2020-10-27 22:16:40,931 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-27 22:16:40,932 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:16:40,956 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 22:16:40,957 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:16:40,959 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:16:40,961 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:16:40,961 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 22:16:40,961 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 22:16:40,962 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-27 22:16:40,962 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:16:40,962 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-10-27 22:16:40,962 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 22:16:40,962 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-27 22:16:40,962 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:16:40,974 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2020-10-27 22:16:40,977 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:16:40,978 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:16:40,981 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:16:40,982 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 29 [2020-10-27 22:16:40,982 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 22:16:40,982 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-27 22:16:40,982 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:16:40,982 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 22:16:40,982 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 26 [2020-10-27 22:16:40,983 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 22:16:40,983 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:16:40,985 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 22:16:40,986 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:16:40,987 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:16:40,988 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:16:40,989 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 15 [2020-10-27 22:16:40,989 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 22:16:40,989 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 22:16:40,989 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:16:40,989 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 22:16:40,989 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 22:16:40,990 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 22:16:40,990 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:16:40,991 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 22:16:40,992 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:16:40,992 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:16:40,993 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:16:40,993 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 22:16:40,993 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 22:16:40,994 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-27 22:16:40,994 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:16:40,994 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 22:16:40,994 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 22:16:40,994 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 22:16:40,994 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:16:40,996 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-27 22:16:40,996 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:16:40,997 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:16:40,998 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:16:40,998 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 22:16:40,998 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 22:16:40,998 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-27 22:16:40,998 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:16:40,998 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 22:16:40,999 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 22:16:40,999 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 22:16:40,999 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:16:41,001 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2020-10-27 22:16:41,002 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:16:41,003 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:16:41,004 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:16:41,004 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 22:16:41,004 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 22:16:41,004 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 22:16:41,004 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:16:41,004 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 22:16:41,005 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-27 22:16:41,005 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 22:16:41,005 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:16:41,006 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2020-10-27 22:16:41,007 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:16:41,007 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:16:41,008 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:16:41,008 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 22:16:41,008 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 22:16:41,009 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 22:16:41,009 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:16:41,009 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 22:16:41,009 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-27 22:16:41,009 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 22:16:41,009 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:16:41,025 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 22:16:41,025 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [680863761] [2020-10-27 22:16:41,025 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-27 22:16:41,025 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2020-10-27 22:16:41,026 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1543321792] [2020-10-27 22:16:41,026 INFO L461 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-10-27 22:16:41,026 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-27 22:16:41,027 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-10-27 22:16:41,027 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2020-10-27 22:16:41,027 INFO L87 Difference]: Start difference. First operand 202 states and 249 transitions. Second operand 7 states. [2020-10-27 22:16:42,178 WARN L193 SmtUtils]: Spent 324.00 ms on a formula simplification that was a NOOP. DAG size: 205 [2020-10-27 22:16:42,573 WARN L193 SmtUtils]: Spent 333.00 ms on a formula simplification that was a NOOP. DAG size: 206 [2020-10-27 22:16:42,977 WARN L193 SmtUtils]: Spent 339.00 ms on a formula simplification that was a NOOP. DAG size: 206 [2020-10-27 22:16:44,000 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-27 22:16:44,001 INFO L93 Difference]: Finished difference Result 442 states and 612 transitions. [2020-10-27 22:16:44,001 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2020-10-27 22:16:44,001 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 86 [2020-10-27 22:16:44,002 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-27 22:16:44,005 INFO L225 Difference]: With dead ends: 442 [2020-10-27 22:16:44,006 INFO L226 Difference]: Without dead ends: 264 [2020-10-27 22:16:44,007 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 38 GetRequests, 30 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 1.3s TimeCoverageRelationStatistics Valid=27, Invalid=63, Unknown=0, NotChecked=0, Total=90 [2020-10-27 22:16:44,008 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 264 states. [2020-10-27 22:16:44,079 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 264 to 206. [2020-10-27 22:16:44,079 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 206 states. [2020-10-27 22:16:44,082 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 206 states to 206 states and 253 transitions. [2020-10-27 22:16:44,083 INFO L78 Accepts]: Start accepts. Automaton has 206 states and 253 transitions. Word has length 86 [2020-10-27 22:16:44,083 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-27 22:16:44,083 INFO L481 AbstractCegarLoop]: Abstraction has 206 states and 253 transitions. [2020-10-27 22:16:44,083 INFO L482 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-10-27 22:16:44,084 INFO L276 IsEmpty]: Start isEmpty. Operand 206 states and 253 transitions. [2020-10-27 22:16:44,091 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 92 [2020-10-27 22:16:44,091 INFO L414 BasicCegarLoop]: Found error trace [2020-10-27 22:16:44,091 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, 1] [2020-10-27 22:16:44,092 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-10-27 22:16:44,092 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 22:16:44,092 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-27 22:16:44,093 INFO L82 PathProgramCache]: Analyzing trace with hash -851914731, now seen corresponding path program 1 times [2020-10-27 22:16:44,093 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-27 22:16:44,093 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [2021475847] [2020-10-27 22:16:44,093 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-27 22:16:44,123 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:16:44,151 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:16:44,310 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:16:45,719 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:16:47,188 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:16:47,188 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 135 [2020-10-27 22:16:47,188 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-10-27 22:16:47,188 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3060 [2020-10-27 22:16:47,189 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:16:47,189 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-27 22:16:47,189 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 69 [2020-10-27 22:16:47,189 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 51 [2020-10-27 22:16:47,189 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:16:47,616 WARN L193 SmtUtils]: Spent 329.00 ms on a formula simplification that was a NOOP. DAG size: 202 [2020-10-27 22:16:47,617 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-27 22:16:47,625 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:16:47,628 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:16:47,654 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:16:47,654 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 22:16:47,654 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 22:16:47,654 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 28 [2020-10-27 22:16:47,655 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:16:47,655 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 22:16:47,655 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 22:16:47,655 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 22:16:47,655 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:16:47,667 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-27 22:16:47,668 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:16:47,669 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:16:47,669 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:16:47,669 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-27 22:16:47,669 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 22:16:47,670 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-27 22:16:47,670 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:16:47,670 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 22:16:47,670 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 22:16:47,670 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 22:16:47,670 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:16:47,672 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-10-27 22:16:47,672 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:16:47,673 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:16:47,674 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:16:47,674 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-27 22:16:47,674 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 22:16:47,674 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-27 22:16:47,674 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:16:47,674 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 22:16:47,674 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 22:16:47,675 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 22:16:47,675 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:16:47,675 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-27 22:16:47,677 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:16:47,677 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:16:47,678 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:16:47,679 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 22:16:47,679 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 22:16:47,679 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 22:16:47,679 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:16:47,679 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 22:16:47,679 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 22:16:47,679 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 22:16:47,680 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:16:47,681 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-10-27 22:16:47,684 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:16:47,685 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:16:47,685 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:16:47,685 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-27 22:16:47,685 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 22:16:47,686 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-27 22:16:47,686 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:16:47,686 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 22:16:47,686 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 22:16:47,686 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 22:16:47,686 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:16:47,697 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2020-10-27 22:16:47,701 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:16:47,705 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:16:47,714 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:16:47,714 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 54 [2020-10-27 22:16:47,714 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 22:16:47,714 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 12 [2020-10-27 22:16:47,714 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:16:47,715 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 22:16:47,715 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 22:16:47,715 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 12 [2020-10-27 22:16:47,715 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:16:47,727 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-27 22:16:47,729 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:16:47,731 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:16:47,735 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:16:47,735 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 18 [2020-10-27 22:16:47,735 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 22:16:47,736 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-27 22:16:47,736 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:16:47,736 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 22:16:47,736 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 22:16:47,736 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-10-27 22:16:47,736 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:16:47,742 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 22:16:47,743 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:16:47,744 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:16:47,746 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:16:47,746 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 22:16:47,746 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 22:16:47,746 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-27 22:16:47,746 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:16:47,746 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 22:16:47,747 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 22:16:47,747 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 3 [2020-10-27 22:16:47,747 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:16:47,751 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2020-10-27 22:16:47,753 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:16:47,756 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:16:47,762 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:16:47,762 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 29 [2020-10-27 22:16:47,762 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 22:16:47,762 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-10-27 22:16:47,763 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:16:47,763 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 22:16:47,763 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 22:16:47,763 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 26 [2020-10-27 22:16:47,763 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:16:47,766 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 22:16:47,767 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:16:47,769 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:16:47,771 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:16:47,771 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 15 [2020-10-27 22:16:47,771 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 22:16:47,771 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-27 22:16:47,771 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:16:47,772 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 22:16:47,772 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 22:16:47,772 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 22:16:47,772 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:16:47,773 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 22:16:47,774 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:16:47,775 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:16:47,777 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:16:47,777 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 22:16:47,777 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 22:16:47,777 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 22:16:47,777 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:16:47,777 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 22:16:47,778 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 22:16:47,778 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 22:16:47,778 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:16:47,780 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-27 22:16:47,782 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:16:47,782 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:16:47,783 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:16:47,783 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 22:16:47,783 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 22:16:47,783 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 22:16:47,784 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:16:47,784 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 22:16:47,784 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 22:16:47,784 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 22:16:47,784 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:16:47,787 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 76 [2020-10-27 22:16:47,794 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:16:47,795 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:16:47,798 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:16:47,798 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 22:16:47,798 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 22:16:47,798 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-27 22:16:47,799 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:16:47,799 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-27 22:16:47,799 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 22:16:47,799 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-27 22:16:47,799 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:16:47,814 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2020-10-27 22:16:47,815 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:16:47,815 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:16:47,816 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:16:47,817 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 22:16:47,817 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 22:16:47,817 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 22:16:47,817 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:16:47,817 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 22:16:47,817 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-27 22:16:47,817 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 22:16:47,818 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:16:47,833 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 22:16:47,833 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [2021475847] [2020-10-27 22:16:47,833 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-27 22:16:47,834 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2020-10-27 22:16:47,834 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [449629317] [2020-10-27 22:16:47,836 INFO L461 AbstractCegarLoop]: Interpolant automaton has 8 states [2020-10-27 22:16:47,836 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-27 22:16:47,837 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2020-10-27 22:16:47,837 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=42, Unknown=0, NotChecked=0, Total=56 [2020-10-27 22:16:47,837 INFO L87 Difference]: Start difference. First operand 206 states and 253 transitions. Second operand 8 states. [2020-10-27 22:16:48,674 WARN L193 SmtUtils]: Spent 351.00 ms on a formula simplification that was a NOOP. DAG size: 204 [2020-10-27 22:16:49,312 WARN L193 SmtUtils]: Spent 335.00 ms on a formula simplification that was a NOOP. DAG size: 204 [2020-10-27 22:16:50,172 WARN L193 SmtUtils]: Spent 357.00 ms on a formula simplification that was a NOOP. DAG size: 206 [2020-10-27 22:16:50,623 WARN L193 SmtUtils]: Spent 343.00 ms on a formula simplification that was a NOOP. DAG size: 206 [2020-10-27 22:16:51,040 WARN L193 SmtUtils]: Spent 344.00 ms on a formula simplification that was a NOOP. DAG size: 206 [2020-10-27 22:16:53,190 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-27 22:16:53,191 INFO L93 Difference]: Finished difference Result 589 states and 878 transitions. [2020-10-27 22:16:53,191 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2020-10-27 22:16:53,191 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 91 [2020-10-27 22:16:53,192 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-27 22:16:53,197 INFO L225 Difference]: With dead ends: 589 [2020-10-27 22:16:53,197 INFO L226 Difference]: Without dead ends: 407 [2020-10-27 22:16:53,199 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 44 GetRequests, 29 SyntacticMatches, 3 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 12 ImplicationChecksByTransitivity, 2.2s TimeCoverageRelationStatistics Valid=54, Invalid=128, Unknown=0, NotChecked=0, Total=182 [2020-10-27 22:16:53,200 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 407 states. [2020-10-27 22:16:53,294 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 407 to 318. [2020-10-27 22:16:53,295 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 318 states. [2020-10-27 22:16:53,298 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 318 states to 318 states and 420 transitions. [2020-10-27 22:16:53,299 INFO L78 Accepts]: Start accepts. Automaton has 318 states and 420 transitions. Word has length 91 [2020-10-27 22:16:53,299 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-27 22:16:53,299 INFO L481 AbstractCegarLoop]: Abstraction has 318 states and 420 transitions. [2020-10-27 22:16:53,299 INFO L482 AbstractCegarLoop]: Interpolant automaton has 8 states. [2020-10-27 22:16:53,299 INFO L276 IsEmpty]: Start isEmpty. Operand 318 states and 420 transitions. [2020-10-27 22:16:53,302 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 115 [2020-10-27 22:16:53,302 INFO L414 BasicCegarLoop]: Found error trace [2020-10-27 22:16:53,302 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 22:16:53,303 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2020-10-27 22:16:53,303 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 22:16:53,303 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-27 22:16:53,303 INFO L82 PathProgramCache]: Analyzing trace with hash -696977894, now seen corresponding path program 1 times [2020-10-27 22:16:53,304 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-27 22:16:53,304 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [637180556] [2020-10-27 22:16:53,304 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-27 22:16:53,328 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:16:53,346 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:16:53,481 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:16:53,542 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:16:53,629 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:16:54,404 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:16:55,111 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:16:58,345 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:16:58,345 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 168 [2020-10-27 22:16:58,345 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 6 [2020-10-27 22:16:58,346 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5014 [2020-10-27 22:16:58,346 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:16:58,346 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 12 [2020-10-27 22:16:58,346 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 69 [2020-10-27 22:16:58,346 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 84 [2020-10-27 22:16:58,346 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:16:58,771 WARN L193 SmtUtils]: Spent 325.00 ms on a formula simplification that was a NOOP. DAG size: 202 [2020-10-27 22:16:58,772 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-27 22:16:58,780 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:16:58,783 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:16:58,802 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:16:58,802 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 22:16:58,802 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 22:16:58,802 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 21 [2020-10-27 22:16:58,802 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:16:58,802 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 22:16:58,802 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 22:16:58,802 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 22:16:58,803 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:16:58,811 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-27 22:16:58,812 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:16:58,812 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:16:58,813 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:16:58,813 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-27 22:16:58,813 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 22:16:58,813 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-27 22:16:58,813 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:16:58,814 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 22:16:58,814 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 22:16:58,814 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 22:16:58,814 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:16:58,815 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-10-27 22:16:58,815 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:16:58,816 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:16:58,816 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:16:58,817 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-27 22:16:58,817 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 22:16:58,817 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-27 22:16:58,817 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:16:58,817 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 22:16:58,817 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 22:16:58,817 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 22:16:58,818 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:16:58,818 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-27 22:16:58,819 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:16:58,820 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:16:58,820 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:16:58,820 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 22:16:58,821 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 22:16:58,821 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-27 22:16:58,821 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:16:58,821 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 22:16:58,821 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 22:16:58,821 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 22:16:58,821 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:16:58,822 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-10-27 22:16:58,823 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:16:58,824 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:16:58,824 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:16:58,824 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-27 22:16:58,824 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 22:16:58,825 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-27 22:16:58,825 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:16:58,825 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 22:16:58,825 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 22:16:58,825 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 22:16:58,825 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:16:58,844 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2020-10-27 22:16:58,848 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:16:58,851 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:16:58,862 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:16:58,862 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 75 [2020-10-27 22:16:58,862 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 22:16:58,862 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 12 [2020-10-27 22:16:58,862 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:16:58,863 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 22:16:58,863 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 22:16:58,863 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 17 [2020-10-27 22:16:58,863 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:16:58,887 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-27 22:16:58,890 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:16:58,892 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:16:58,899 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:16:58,899 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 54 [2020-10-27 22:16:58,900 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 22:16:58,900 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 8 [2020-10-27 22:16:58,900 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:16:58,900 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 22:16:58,900 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 22:16:58,900 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 12 [2020-10-27 22:16:58,901 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:16:58,909 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-27 22:16:58,911 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:16:58,912 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:16:58,917 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:16:58,917 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 18 [2020-10-27 22:16:58,917 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 22:16:58,917 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-27 22:16:58,918 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:16:58,918 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 22:16:58,918 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 22:16:58,918 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-10-27 22:16:58,918 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:16:58,924 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 22:16:58,925 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:16:58,926 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:16:58,928 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:16:58,928 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 22:16:58,929 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 22:16:58,929 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 22:16:58,929 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:16:58,929 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 22:16:58,929 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 22:16:58,930 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 3 [2020-10-27 22:16:58,930 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:16:58,937 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2020-10-27 22:16:58,941 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:16:58,943 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:16:58,949 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:16:58,949 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 29 [2020-10-27 22:16:58,949 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 22:16:58,949 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-10-27 22:16:58,949 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:16:58,950 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 22:16:58,950 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 22:16:58,950 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 26 [2020-10-27 22:16:58,950 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:16:58,955 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 22:16:58,956 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:16:58,956 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:16:58,958 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:16:58,958 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 15 [2020-10-27 22:16:58,958 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 22:16:58,958 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 22:16:58,958 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:16:58,959 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 22:16:58,959 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 22:16:58,959 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 22:16:58,959 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:16:58,960 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 22:16:58,961 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:16:58,961 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:16:58,964 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:16:58,964 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 22:16:58,965 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 22:16:58,965 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-27 22:16:58,965 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:16:58,965 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 22:16:58,965 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 22:16:58,965 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 22:16:58,966 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:16:58,967 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-27 22:16:58,968 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:16:58,968 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:16:58,969 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:16:58,969 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 22:16:58,969 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 22:16:58,970 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 22:16:58,970 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:16:58,970 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 22:16:58,970 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 22:16:58,970 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 22:16:58,970 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:16:58,973 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2020-10-27 22:16:58,975 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:16:58,976 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:16:58,979 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:16:58,979 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 16 [2020-10-27 22:16:58,979 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 22:16:58,980 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-27 22:16:58,980 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:16:58,980 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 22:16:58,980 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 22:16:58,980 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 13 [2020-10-27 22:16:58,980 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:16:58,983 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 22:16:58,983 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:16:58,986 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:16:58,989 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:16:58,990 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 22:16:58,990 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 22:16:58,990 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-27 22:16:58,990 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:16:58,990 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 22:16:58,990 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 22:16:58,990 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 22:16:58,991 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:16:59,012 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 92 [2020-10-27 22:16:59,013 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:16:59,014 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:16:59,019 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:16:59,020 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 22:16:59,020 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 22:16:59,020 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-27 22:16:59,020 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:16:59,020 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-27 22:16:59,020 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-27 22:16:59,020 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-10-27 22:16:59,021 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:16:59,045 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 99 [2020-10-27 22:16:59,046 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:16:59,051 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:16:59,055 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:16:59,055 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 22:16:59,055 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 22:16:59,055 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 8 [2020-10-27 22:16:59,056 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:16:59,056 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-27 22:16:59,056 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 22:16:59,056 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-27 22:16:59,056 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:16:59,076 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2020-10-27 22:16:59,077 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:16:59,078 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:16:59,078 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:16:59,079 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 22:16:59,079 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 22:16:59,079 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 22:16:59,079 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:16:59,079 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 22:16:59,079 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-27 22:16:59,079 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 22:16:59,080 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:16:59,103 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 9 proven. 2 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2020-10-27 22:16:59,103 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [637180556] [2020-10-27 22:16:59,103 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-27 22:16:59,103 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [12] total 12 [2020-10-27 22:16:59,104 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [93277086] [2020-10-27 22:16:59,105 INFO L461 AbstractCegarLoop]: Interpolant automaton has 12 states [2020-10-27 22:16:59,105 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-27 22:16:59,105 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2020-10-27 22:16:59,106 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=30, Invalid=102, Unknown=0, NotChecked=0, Total=132 [2020-10-27 22:16:59,106 INFO L87 Difference]: Start difference. First operand 318 states and 420 transitions. Second operand 12 states. [2020-10-27 22:17:00,010 WARN L193 SmtUtils]: Spent 332.00 ms on a formula simplification that was a NOOP. DAG size: 204 [2020-10-27 22:17:00,659 WARN L193 SmtUtils]: Spent 333.00 ms on a formula simplification that was a NOOP. DAG size: 204 [2020-10-27 22:17:01,342 WARN L193 SmtUtils]: Spent 342.00 ms on a formula simplification that was a NOOP. DAG size: 206 [2020-10-27 22:17:01,875 WARN L193 SmtUtils]: Spent 358.00 ms on a formula simplification that was a NOOP. DAG size: 206 [2020-10-27 22:17:02,313 WARN L193 SmtUtils]: Spent 351.00 ms on a formula simplification that was a NOOP. DAG size: 206 [2020-10-27 22:17:02,961 WARN L193 SmtUtils]: Spent 342.00 ms on a formula simplification that was a NOOP. DAG size: 206 [2020-10-27 22:17:03,398 WARN L193 SmtUtils]: Spent 340.00 ms on a formula simplification that was a NOOP. DAG size: 207 [2020-10-27 22:17:03,824 WARN L193 SmtUtils]: Spent 340.00 ms on a formula simplification that was a NOOP. DAG size: 207 [2020-10-27 22:17:05,181 WARN L193 SmtUtils]: Spent 350.00 ms on a formula simplification that was a NOOP. DAG size: 204 [2020-10-27 22:17:08,632 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-27 22:17:08,632 INFO L93 Difference]: Finished difference Result 1072 states and 1667 transitions. [2020-10-27 22:17:08,633 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2020-10-27 22:17:08,633 INFO L78 Accepts]: Start accepts. Automaton has 12 states. Word has length 114 [2020-10-27 22:17:08,634 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-27 22:17:08,643 INFO L225 Difference]: With dead ends: 1072 [2020-10-27 22:17:08,643 INFO L226 Difference]: Without dead ends: 778 [2020-10-27 22:17:08,646 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 76 GetRequests, 44 SyntacticMatches, 4 SemanticMatches, 28 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 189 ImplicationChecksByTransitivity, 3.9s TimeCoverageRelationStatistics Valid=253, Invalid=617, Unknown=0, NotChecked=0, Total=870 [2020-10-27 22:17:08,647 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 778 states. [2020-10-27 22:17:08,775 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 778 to 504. [2020-10-27 22:17:08,775 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 504 states. [2020-10-27 22:17:08,779 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 504 states to 504 states and 696 transitions. [2020-10-27 22:17:08,780 INFO L78 Accepts]: Start accepts. Automaton has 504 states and 696 transitions. Word has length 114 [2020-10-27 22:17:08,780 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-27 22:17:08,781 INFO L481 AbstractCegarLoop]: Abstraction has 504 states and 696 transitions. [2020-10-27 22:17:08,781 INFO L482 AbstractCegarLoop]: Interpolant automaton has 12 states. [2020-10-27 22:17:08,781 INFO L276 IsEmpty]: Start isEmpty. Operand 504 states and 696 transitions. [2020-10-27 22:17:08,784 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 142 [2020-10-27 22:17:08,784 INFO L414 BasicCegarLoop]: Found error trace [2020-10-27 22:17:08,784 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-27 22:17:08,785 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2020-10-27 22:17:08,785 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 22:17:08,785 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-27 22:17:08,785 INFO L82 PathProgramCache]: Analyzing trace with hash -490967310, now seen corresponding path program 1 times [2020-10-27 22:17:08,786 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-27 22:17:08,786 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1532953021] [2020-10-27 22:17:08,786 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-27 22:17:08,811 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:17:08,830 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:17:08,862 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:17:09,022 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:17:09,445 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:17:09,550 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:17:09,721 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:17:11,310 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:17:11,311 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 205 [2020-10-27 22:17:11,311 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 6 [2020-10-27 22:17:11,311 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2497 [2020-10-27 22:17:11,311 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:17:11,311 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 22:17:11,311 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 61 [2020-10-27 22:17:11,311 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 117 [2020-10-27 22:17:11,311 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:17:11,761 WARN L193 SmtUtils]: Spent 400.00 ms on a formula simplification that was a NOOP. DAG size: 202 [2020-10-27 22:17:11,762 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-27 22:17:11,771 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:17:11,775 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:17:11,841 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:17:11,841 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 22:17:11,841 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 22:17:11,842 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 68 [2020-10-27 22:17:11,842 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:17:11,842 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 22:17:11,842 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 22:17:11,843 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 22:17:11,843 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:17:11,860 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-27 22:17:11,861 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:17:11,861 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:17:11,862 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:17:11,862 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-27 22:17:11,863 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 22:17:11,863 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 22:17:11,863 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:17:11,863 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 22:17:11,864 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 22:17:11,864 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 22:17:11,864 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:17:11,866 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-10-27 22:17:11,867 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:17:11,867 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:17:11,868 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:17:11,868 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-27 22:17:11,868 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 22:17:11,868 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-27 22:17:11,869 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:17:11,869 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 22:17:11,869 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 22:17:11,869 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 22:17:11,869 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:17:11,870 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-27 22:17:11,871 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:17:11,872 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:17:11,872 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:17:11,872 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 22:17:11,872 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 22:17:11,873 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-27 22:17:11,873 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:17:11,873 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 22:17:11,873 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 22:17:11,873 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 22:17:11,873 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:17:11,875 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-10-27 22:17:11,877 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:17:11,877 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:17:11,878 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:17:11,878 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-27 22:17:11,879 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 22:17:11,879 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-27 22:17:11,879 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:17:11,879 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 22:17:11,879 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 22:17:11,880 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 22:17:11,880 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:17:11,897 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2020-10-27 22:17:11,898 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:17:11,899 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:17:11,901 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:17:11,901 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 22:17:11,901 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 22:17:11,901 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 22:17:11,901 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:17:11,902 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 22:17:11,903 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 22:17:11,903 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 22:17:11,903 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-27 22:17:11,925 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-10-27 22:17:11,930 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:17:11,933 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:17:11,948 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:17:11,949 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 75 [2020-10-27 22:17:11,949 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 22:17:11,949 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 17 [2020-10-27 22:17:11,950 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:17:11,950 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 22:17:11,950 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 22:17:11,950 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 3 [2020-10-27 22:17:11,950 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:17:11,979 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-27 22:17:11,983 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:17:11,988 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:17:12,004 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:17:12,005 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 54 [2020-10-27 22:17:12,006 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 22:17:12,006 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 19 [2020-10-27 22:17:12,006 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:17:12,006 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 22:17:12,007 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 22:17:12,007 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 51 [2020-10-27 22:17:12,007 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:17:12,012 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-27 22:17:12,014 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:17:12,015 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:17:12,017 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:17:12,018 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 18 [2020-10-27 22:17:12,018 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 22:17:12,018 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-27 22:17:12,018 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:17:12,019 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 22:17:12,019 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 22:17:12,019 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 22:17:12,019 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-27 22:17:12,021 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 22:17:12,022 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:17:12,024 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:17:12,025 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:17:12,026 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 22:17:12,026 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 22:17:12,026 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 22:17:12,026 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:17:12,027 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 22:17:12,027 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 22:17:12,027 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 22:17:12,027 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-27 22:17:12,030 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2020-10-27 22:17:12,037 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:17:12,041 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:17:12,049 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:17:12,049 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 29 [2020-10-27 22:17:12,049 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 22:17:12,050 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 11 [2020-10-27 22:17:12,050 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:17:12,050 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 22:17:12,050 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 22:17:12,050 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 22:17:12,050 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:17:12,054 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 22:17:12,055 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:17:12,056 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:17:12,058 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:17:12,059 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 15 [2020-10-27 22:17:12,059 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 22:17:12,059 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-27 22:17:12,060 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:17:12,060 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 22:17:12,060 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 22:17:12,060 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 22:17:12,061 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-27 22:17:12,062 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 22:17:12,065 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:17:12,066 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:17:12,067 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:17:12,067 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 22:17:12,067 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 22:17:12,067 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 22:17:12,068 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:17:12,068 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 22:17:12,068 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 22:17:12,068 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 22:17:12,069 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-27 22:17:12,070 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-27 22:17:12,071 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:17:12,072 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:17:12,073 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:17:12,074 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 22:17:12,074 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 22:17:12,074 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 22:17:12,075 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:17:12,075 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 22:17:12,075 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 22:17:12,075 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 22:17:12,076 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-27 22:17:12,083 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2020-10-27 22:17:12,087 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:17:12,089 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:17:12,093 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:17:12,093 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 16 [2020-10-27 22:17:12,093 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 22:17:12,094 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-27 22:17:12,094 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:17:12,094 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 22:17:12,094 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 22:17:12,094 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 13 [2020-10-27 22:17:12,095 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:17:12,097 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 22:17:12,098 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:17:12,099 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:17:12,100 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:17:12,100 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 22:17:12,100 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 22:17:12,100 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 22:17:12,101 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:17:12,101 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 22:17:12,101 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 22:17:12,101 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 22:17:12,102 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:17:12,107 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 94 [2020-10-27 22:17:12,110 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:17:12,113 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:17:12,116 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:17:12,131 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:17:12,132 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 29 [2020-10-27 22:17:12,132 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-27 22:17:12,132 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 20 [2020-10-27 22:17:12,133 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:17:12,133 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 22:17:12,133 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 9 [2020-10-27 22:17:12,133 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 18 [2020-10-27 22:17:12,133 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:17:12,151 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 22:17:12,152 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:17:12,153 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:17:12,154 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:17:12,154 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 22:17:12,155 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 22:17:12,155 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 22:17:12,155 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:17:12,155 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 22:17:12,156 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 22:17:12,156 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 22:17:12,156 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:17:12,157 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-27 22:17:12,161 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:17:12,162 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:17:12,166 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:17:12,166 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 16 [2020-10-27 22:17:12,166 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 22:17:12,167 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-27 22:17:12,167 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:17:12,167 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 22:17:12,167 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 22:17:12,167 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 13 [2020-10-27 22:17:12,168 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:17:12,170 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 22:17:12,171 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:17:12,171 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:17:12,172 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:17:12,173 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 22:17:12,173 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 22:17:12,173 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 22:17:12,173 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:17:12,174 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 22:17:12,174 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 22:17:12,174 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 22:17:12,174 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:17:12,176 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 119 [2020-10-27 22:17:12,178 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:17:12,179 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:17:12,181 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:17:12,182 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 22:17:12,182 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 22:17:12,182 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-27 22:17:12,182 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:17:12,182 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 22:17:12,183 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 22:17:12,183 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-27 22:17:12,183 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:17:12,185 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 126 [2020-10-27 22:17:12,186 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:17:12,187 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:17:12,188 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:17:12,188 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 22:17:12,188 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 22:17:12,189 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 22:17:12,189 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:17:12,189 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 22:17:12,189 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-27 22:17:12,190 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 22:17:12,190 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:17:12,191 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 132 [2020-10-27 22:17:12,193 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:17:12,197 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:17:12,198 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:17:12,198 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 22:17:12,199 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 22:17:12,199 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-27 22:17:12,199 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:17:12,199 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 22:17:12,200 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-27 22:17:12,200 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 22:17:12,200 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:17:12,241 INFO L134 CoverageAnalysis]: Checked inductivity of 40 backedges. 15 proven. 5 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked. [2020-10-27 22:17:12,241 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1532953021] [2020-10-27 22:17:12,243 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-27 22:17:12,243 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8] total 8 [2020-10-27 22:17:12,243 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [909528176] [2020-10-27 22:17:12,244 INFO L461 AbstractCegarLoop]: Interpolant automaton has 8 states [2020-10-27 22:17:12,245 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-27 22:17:12,245 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2020-10-27 22:17:12,245 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=38, Unknown=0, NotChecked=0, Total=56 [2020-10-27 22:17:12,246 INFO L87 Difference]: Start difference. First operand 504 states and 696 transitions. Second operand 8 states. [2020-10-27 22:17:13,004 WARN L193 SmtUtils]: Spent 340.00 ms on a formula simplification that was a NOOP. DAG size: 205 [2020-10-27 22:17:15,282 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-27 22:17:15,283 INFO L93 Difference]: Finished difference Result 1124 states and 1690 transitions. [2020-10-27 22:17:15,283 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2020-10-27 22:17:15,283 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 141 [2020-10-27 22:17:15,284 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-27 22:17:15,290 INFO L225 Difference]: With dead ends: 1124 [2020-10-27 22:17:15,290 INFO L226 Difference]: Without dead ends: 644 [2020-10-27 22:17:15,295 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 59 GetRequests, 49 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 11 ImplicationChecksByTransitivity, 0.8s TimeCoverageRelationStatistics Valid=44, Invalid=88, Unknown=0, NotChecked=0, Total=132 [2020-10-27 22:17:15,296 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 644 states. [2020-10-27 22:17:15,431 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 644 to 448. [2020-10-27 22:17:15,431 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 448 states. [2020-10-27 22:17:15,434 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 448 states to 448 states and 607 transitions. [2020-10-27 22:17:15,435 INFO L78 Accepts]: Start accepts. Automaton has 448 states and 607 transitions. Word has length 141 [2020-10-27 22:17:15,436 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-27 22:17:15,436 INFO L481 AbstractCegarLoop]: Abstraction has 448 states and 607 transitions. [2020-10-27 22:17:15,436 INFO L482 AbstractCegarLoop]: Interpolant automaton has 8 states. [2020-10-27 22:17:15,436 INFO L276 IsEmpty]: Start isEmpty. Operand 448 states and 607 transitions. [2020-10-27 22:17:15,439 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 154 [2020-10-27 22:17:15,439 INFO L414 BasicCegarLoop]: Found error trace [2020-10-27 22:17:15,439 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 22:17:15,440 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2020-10-27 22:17:15,440 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 22:17:15,440 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-27 22:17:15,440 INFO L82 PathProgramCache]: Analyzing trace with hash -527351028, now seen corresponding path program 1 times [2020-10-27 22:17:15,441 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-27 22:17:15,441 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1781411276] [2020-10-27 22:17:15,441 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-27 22:17:15,467 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:17:15,485 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:17:15,627 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:17:15,695 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:17:15,894 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:17:16,236 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:17:20,484 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:17:20,485 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 223 [2020-10-27 22:17:20,485 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 5 [2020-10-27 22:17:20,485 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5014 [2020-10-27 22:17:20,486 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:17:20,486 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 22:17:20,486 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 43 [2020-10-27 22:17:20,486 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 83 [2020-10-27 22:17:20,486 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:17:20,851 WARN L193 SmtUtils]: Spent 329.00 ms on a formula simplification that was a NOOP. DAG size: 202 [2020-10-27 22:17:20,852 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-27 22:17:20,858 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:17:20,861 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:17:20,901 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:17:20,902 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 22:17:20,902 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 22:17:20,902 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 42 [2020-10-27 22:17:20,902 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:17:20,902 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 22:17:20,902 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 22:17:20,902 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 22:17:20,903 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:17:20,913 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-27 22:17:20,914 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:17:20,915 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:17:20,915 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:17:20,915 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-27 22:17:20,915 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 22:17:20,915 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-27 22:17:20,916 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:17:20,916 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 22:17:20,916 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 22:17:20,916 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 22:17:20,916 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:17:20,917 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-10-27 22:17:20,917 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:17:20,918 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:17:20,918 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:17:20,918 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-27 22:17:20,918 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 22:17:20,919 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-27 22:17:20,919 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:17:20,919 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 22:17:20,919 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 22:17:20,919 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 22:17:20,919 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:17:20,920 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-27 22:17:20,921 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:17:20,921 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:17:20,922 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:17:20,922 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 22:17:20,922 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 22:17:20,922 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-27 22:17:20,922 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:17:20,922 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 22:17:20,922 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 22:17:20,923 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 22:17:20,923 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:17:20,923 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-10-27 22:17:20,924 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:17:20,924 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:17:20,925 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:17:20,925 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-27 22:17:20,925 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 22:17:20,925 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-27 22:17:20,926 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:17:20,926 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 22:17:20,926 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 22:17:20,926 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 22:17:20,926 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:17:20,938 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2020-10-27 22:17:20,943 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:17:20,947 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:17:20,960 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:17:20,960 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 75 [2020-10-27 22:17:20,960 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 22:17:20,960 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 15 [2020-10-27 22:17:20,960 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:17:20,961 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 22:17:20,961 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 22:17:20,961 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 72 [2020-10-27 22:17:20,961 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:17:20,975 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-27 22:17:20,977 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:17:20,978 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:17:20,987 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:17:20,987 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 54 [2020-10-27 22:17:20,987 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 22:17:20,987 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 8 [2020-10-27 22:17:20,987 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:17:20,987 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 22:17:20,988 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 22:17:20,988 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 22:17:20,988 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:17:20,991 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-27 22:17:20,992 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:17:20,992 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:17:20,994 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:17:20,994 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 18 [2020-10-27 22:17:20,994 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 22:17:20,994 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-27 22:17:20,995 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:17:20,995 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 22:17:20,995 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 22:17:20,995 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 22:17:20,995 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:17:20,997 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 22:17:20,997 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:17:20,998 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:17:20,999 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:17:20,999 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 22:17:20,999 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 22:17:20,999 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 22:17:20,999 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:17:21,000 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 22:17:21,000 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 22:17:21,000 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 22:17:21,000 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:17:21,001 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2020-10-27 22:17:21,003 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:17:21,003 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:17:21,006 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:17:21,006 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 29 [2020-10-27 22:17:21,006 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 22:17:21,006 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-27 22:17:21,006 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:17:21,007 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 22:17:21,007 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 22:17:21,007 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 22:17:21,007 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:17:21,009 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 22:17:21,010 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:17:21,011 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:17:21,012 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:17:21,012 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 15 [2020-10-27 22:17:21,013 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 22:17:21,013 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 22:17:21,013 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:17:21,013 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 22:17:21,013 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 22:17:21,013 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 22:17:21,013 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:17:21,015 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 22:17:21,015 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:17:21,016 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:17:21,017 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:17:21,017 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 22:17:21,017 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 22:17:21,017 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-27 22:17:21,017 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:17:21,018 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 22:17:21,018 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 22:17:21,018 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 22:17:21,018 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:17:21,019 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-27 22:17:21,020 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:17:21,021 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:17:21,021 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:17:21,022 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 22:17:21,022 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 22:17:21,022 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 22:17:21,022 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:17:21,022 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 22:17:21,023 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 22:17:21,023 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 22:17:21,023 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:17:21,026 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2020-10-27 22:17:21,027 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:17:21,027 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:17:21,029 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:17:21,029 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 16 [2020-10-27 22:17:21,029 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 22:17:21,029 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 22:17:21,029 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:17:21,030 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 22:17:21,030 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 22:17:21,030 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 22:17:21,030 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:17:21,031 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 22:17:21,032 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:17:21,033 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:17:21,033 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:17:21,034 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 22:17:21,034 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 22:17:21,034 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-27 22:17:21,034 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:17:21,034 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 22:17:21,034 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 22:17:21,035 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 22:17:21,035 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:17:21,038 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2020-10-27 22:17:21,040 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:17:21,042 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:17:21,045 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:17:21,045 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 41 [2020-10-27 22:17:21,045 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 22:17:21,045 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-27 22:17:21,046 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:17:21,046 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 22:17:21,046 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 38 [2020-10-27 22:17:21,046 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 22:17:21,046 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:17:21,058 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 22:17:21,059 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:17:21,060 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:17:21,061 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:17:21,061 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 22:17:21,061 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 22:17:21,061 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 22:17:21,062 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:17:21,062 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 22:17:21,062 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 22:17:21,062 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 22:17:21,062 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:17:21,064 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-27 22:17:21,065 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:17:21,066 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:17:21,067 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:17:21,067 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 14 [2020-10-27 22:17:21,067 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 22:17:21,067 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 22:17:21,067 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:17:21,068 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 22:17:21,068 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 22:17:21,068 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 22:17:21,068 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:17:21,069 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-27 22:17:21,070 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:17:21,071 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:17:21,071 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:17:21,071 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-27 22:17:21,071 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 22:17:21,072 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-27 22:17:21,072 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:17:21,072 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 22:17:21,072 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 22:17:21,072 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 22:17:21,072 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:17:21,073 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2020-10-27 22:17:21,074 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:17:21,075 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:17:21,076 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:17:21,076 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 16 [2020-10-27 22:17:21,076 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 22:17:21,077 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 22:17:21,077 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:17:21,077 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 22:17:21,077 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 22:17:21,077 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 22:17:21,077 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:17:21,079 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 22:17:21,079 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:17:21,080 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:17:21,081 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:17:21,081 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 22:17:21,081 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 22:17:21,081 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-27 22:17:21,081 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:17:21,081 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 22:17:21,082 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 22:17:21,082 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 22:17:21,082 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:17:21,084 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 123 [2020-10-27 22:17:21,085 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:17:21,086 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:17:21,087 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:17:21,087 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 22:17:21,088 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 22:17:21,088 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 22:17:21,088 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:17:21,088 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 22:17:21,088 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-27 22:17:21,088 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 22:17:21,088 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:17:21,090 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 128 [2020-10-27 22:17:21,092 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:17:21,093 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:17:21,094 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:17:21,094 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 14 [2020-10-27 22:17:21,094 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 22:17:21,094 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 22:17:21,095 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:17:21,095 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 22:17:21,095 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 11 [2020-10-27 22:17:21,095 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 22:17:21,095 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:17:21,096 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-27 22:17:21,097 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:17:21,098 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:17:21,098 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:17:21,098 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-27 22:17:21,099 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 22:17:21,099 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-27 22:17:21,099 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:17:21,099 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 22:17:21,099 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 22:17:21,099 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 22:17:21,099 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:17:21,100 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 138 [2020-10-27 22:17:21,101 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:17:21,102 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:17:21,103 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:17:21,103 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 22:17:21,103 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 22:17:21,103 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 22:17:21,104 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:17:21,104 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 22:17:21,104 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-27 22:17:21,104 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 22:17:21,104 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:17:21,105 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 144 [2020-10-27 22:17:21,106 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:17:21,107 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:17:21,107 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:17:21,108 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 22:17:21,108 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 22:17:21,108 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 22:17:21,108 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:17:21,108 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 22:17:21,108 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-27 22:17:21,108 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 22:17:21,108 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:17:21,144 INFO L134 CoverageAnalysis]: Checked inductivity of 58 backedges. 19 proven. 0 refuted. 0 times theorem prover too weak. 39 trivial. 0 not checked. [2020-10-27 22:17:21,145 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1781411276] [2020-10-27 22:17:21,145 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-27 22:17:21,145 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2020-10-27 22:17:21,145 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [673184573] [2020-10-27 22:17:21,146 INFO L461 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-10-27 22:17:21,146 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-27 22:17:21,147 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-10-27 22:17:21,147 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=26, Unknown=0, NotChecked=0, Total=42 [2020-10-27 22:17:21,147 INFO L87 Difference]: Start difference. First operand 448 states and 607 transitions. Second operand 7 states. [2020-10-27 22:17:21,844 WARN L193 SmtUtils]: Spent 337.00 ms on a formula simplification that was a NOOP. DAG size: 205 [2020-10-27 22:17:23,198 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-27 22:17:23,198 INFO L93 Difference]: Finished difference Result 777 states and 1042 transitions. [2020-10-27 22:17:23,199 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2020-10-27 22:17:23,199 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 153 [2020-10-27 22:17:23,199 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-27 22:17:23,204 INFO L225 Difference]: With dead ends: 777 [2020-10-27 22:17:23,204 INFO L226 Difference]: Without dead ends: 485 [2020-10-27 22:17:23,206 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 63 GetRequests, 54 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.7s TimeCoverageRelationStatistics Valid=42, Invalid=68, Unknown=0, NotChecked=0, Total=110 [2020-10-27 22:17:23,207 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 485 states. [2020-10-27 22:17:23,274 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 485 to 394. [2020-10-27 22:17:23,274 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 394 states. [2020-10-27 22:17:23,277 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 394 states to 394 states and 489 transitions. [2020-10-27 22:17:23,277 INFO L78 Accepts]: Start accepts. Automaton has 394 states and 489 transitions. Word has length 153 [2020-10-27 22:17:23,278 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-27 22:17:23,278 INFO L481 AbstractCegarLoop]: Abstraction has 394 states and 489 transitions. [2020-10-27 22:17:23,278 INFO L482 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-10-27 22:17:23,278 INFO L276 IsEmpty]: Start isEmpty. Operand 394 states and 489 transitions. [2020-10-27 22:17:23,281 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 164 [2020-10-27 22:17:23,281 INFO L414 BasicCegarLoop]: Found error trace [2020-10-27 22:17:23,281 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-27 22:17:23,281 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2020-10-27 22:17:23,282 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 22:17:23,282 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-27 22:17:23,282 INFO L82 PathProgramCache]: Analyzing trace with hash -1712802195, now seen corresponding path program 1 times [2020-10-27 22:17:23,282 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-27 22:17:23,282 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1626295041] [2020-10-27 22:17:23,283 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-27 22:17:23,306 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:17:23,323 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:17:23,669 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:17:23,779 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:17:27,359 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:17:27,360 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 231 [2020-10-27 22:17:27,360 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-10-27 22:17:27,360 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4051 [2020-10-27 22:17:27,360 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:17:27,360 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 18 [2020-10-27 22:17:27,360 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-27 22:17:27,360 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 163 [2020-10-27 22:17:27,360 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:17:27,779 WARN L193 SmtUtils]: Spent 377.00 ms on a formula simplification that was a NOOP. DAG size: 202 [2020-10-27 22:17:27,780 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-27 22:17:27,794 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:17:27,803 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:17:27,848 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:17:27,849 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 22:17:27,849 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 22:17:27,849 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 53 [2020-10-27 22:17:27,849 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:17:27,849 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 22:17:27,850 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 22:17:27,850 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-10-27 22:17:27,850 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:17:27,862 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-27 22:17:27,863 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:17:27,864 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:17:27,865 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:17:27,865 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-27 22:17:27,865 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 22:17:27,865 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 22:17:27,865 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:17:27,866 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 22:17:27,866 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 22:17:27,866 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-10-27 22:17:27,866 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:17:27,867 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-10-27 22:17:27,868 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:17:27,868 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:17:27,869 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:17:27,869 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-27 22:17:27,869 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 22:17:27,869 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 22:17:27,869 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:17:27,870 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 22:17:27,870 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 22:17:27,870 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-10-27 22:17:27,870 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:17:27,871 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-27 22:17:27,872 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:17:27,872 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:17:27,873 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:17:27,874 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 22:17:27,874 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 22:17:27,874 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 22:17:27,874 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:17:27,874 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 22:17:27,874 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 22:17:27,874 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-27 22:17:27,875 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:17:27,876 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-10-27 22:17:27,876 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:17:27,877 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:17:27,878 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:17:27,878 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-27 22:17:27,878 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 22:17:27,878 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 22:17:27,878 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:17:27,878 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 22:17:27,878 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 22:17:27,878 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-10-27 22:17:27,879 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:17:27,896 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2020-10-27 22:17:27,900 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:17:27,904 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:17:27,911 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:17:27,958 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:17:27,959 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 75 [2020-10-27 22:17:27,959 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-27 22:17:27,959 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 57 [2020-10-27 22:17:27,959 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:17:27,959 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-27 22:17:27,959 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-27 22:17:27,959 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 75 [2020-10-27 22:17:27,960 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:17:27,999 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-27 22:17:28,002 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:17:28,005 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:17:28,016 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:17:28,016 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 54 [2020-10-27 22:17:28,016 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 22:17:28,016 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 13 [2020-10-27 22:17:28,017 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:17:28,017 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-10-27 22:17:28,017 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 22:17:28,017 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 51 [2020-10-27 22:17:28,017 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:17:28,032 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-27 22:17:28,034 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:17:28,035 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:17:28,038 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:17:28,038 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 18 [2020-10-27 22:17:28,038 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 22:17:28,038 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-27 22:17:28,039 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:17:28,039 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 22:17:28,039 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 22:17:28,039 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-10-27 22:17:28,039 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:17:28,053 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 22:17:28,055 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:17:28,055 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:17:28,057 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:17:28,057 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 22:17:28,057 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 22:17:28,057 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 22:17:28,057 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:17:28,057 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 22:17:28,057 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 22:17:28,057 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 3 [2020-10-27 22:17:28,058 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:17:28,070 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2020-10-27 22:17:28,073 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:17:28,075 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:17:28,078 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:17:28,078 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 29 [2020-10-27 22:17:28,078 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 22:17:28,078 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-27 22:17:28,079 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:17:28,079 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 22:17:28,079 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 22:17:28,079 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 26 [2020-10-27 22:17:28,079 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:17:28,081 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 22:17:28,081 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:17:28,082 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:17:28,083 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:17:28,083 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 15 [2020-10-27 22:17:28,084 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 22:17:28,084 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 22:17:28,084 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:17:28,084 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 22:17:28,084 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 22:17:28,084 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 22:17:28,084 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:17:28,086 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 22:17:28,086 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:17:28,087 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:17:28,087 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:17:28,088 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 22:17:28,088 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 22:17:28,088 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-27 22:17:28,088 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:17:28,088 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 22:17:28,088 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 22:17:28,088 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 22:17:28,089 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:17:28,090 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-27 22:17:28,090 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:17:28,091 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:17:28,091 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:17:28,092 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 22:17:28,092 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 22:17:28,092 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-27 22:17:28,092 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:17:28,092 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 22:17:28,092 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 22:17:28,092 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 22:17:28,093 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:17:28,095 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2020-10-27 22:17:28,096 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:17:28,097 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:17:28,100 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:17:28,100 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 16 [2020-10-27 22:17:28,100 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 22:17:28,100 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-27 22:17:28,100 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:17:28,100 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 22:17:28,100 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 22:17:28,101 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 13 [2020-10-27 22:17:28,101 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:17:28,102 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 22:17:28,103 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:17:28,103 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:17:28,104 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:17:28,104 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 22:17:28,104 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 22:17:28,104 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-27 22:17:28,104 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:17:28,105 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 22:17:28,105 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 22:17:28,105 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 22:17:28,105 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:17:28,108 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2020-10-27 22:17:28,111 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:17:28,112 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:17:28,132 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:17:28,133 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 41 [2020-10-27 22:17:28,133 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 22:17:28,133 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 21 [2020-10-27 22:17:28,133 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:17:28,133 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 10 [2020-10-27 22:17:28,133 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-27 22:17:28,133 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 41 [2020-10-27 22:17:28,133 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:17:28,206 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 22:17:28,208 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:17:28,209 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:17:28,222 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:17:28,222 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 22:17:28,222 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 22:17:28,222 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 13 [2020-10-27 22:17:28,222 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:17:28,222 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-27 22:17:28,222 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-27 22:17:28,222 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-10-27 22:17:28,223 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:17:28,248 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-27 22:17:28,250 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:17:28,251 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:17:28,254 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:17:28,254 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 14 [2020-10-27 22:17:28,254 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 22:17:28,255 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-27 22:17:28,255 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:17:28,255 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 22:17:28,255 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 22:17:28,255 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 11 [2020-10-27 22:17:28,255 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:17:28,257 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-27 22:17:28,257 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:17:28,258 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:17:28,258 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:17:28,258 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-27 22:17:28,259 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 22:17:28,259 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-27 22:17:28,259 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:17:28,259 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 22:17:28,259 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 22:17:28,259 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 22:17:28,259 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:17:28,260 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2020-10-27 22:17:28,262 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:17:28,263 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:17:28,271 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:17:28,271 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 16 [2020-10-27 22:17:28,271 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 22:17:28,271 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 8 [2020-10-27 22:17:28,271 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:17:28,271 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-10-27 22:17:28,271 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 22:17:28,271 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 13 [2020-10-27 22:17:28,272 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:17:28,380 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 22:17:28,382 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:17:28,382 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:17:28,385 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:17:28,385 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 22:17:28,385 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 22:17:28,385 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-27 22:17:28,385 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:17:28,385 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-10-27 22:17:28,386 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 22:17:28,386 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-10-27 22:17:28,386 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:17:28,437 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 133 [2020-10-27 22:17:28,438 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:17:28,439 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:17:28,439 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:17:28,440 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 22:17:28,440 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 22:17:28,440 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 22:17:28,440 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:17:28,440 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 22:17:28,440 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-27 22:17:28,440 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 22:17:28,440 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:17:28,441 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 138 [2020-10-27 22:17:28,442 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:17:28,443 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:17:28,444 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:17:28,444 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 14 [2020-10-27 22:17:28,444 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 22:17:28,444 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 22:17:28,444 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:17:28,445 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 22:17:28,445 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 11 [2020-10-27 22:17:28,445 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 22:17:28,445 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:17:28,450 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-27 22:17:28,451 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:17:28,451 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:17:28,452 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:17:28,452 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-27 22:17:28,452 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 22:17:28,452 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-27 22:17:28,452 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:17:28,452 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 22:17:28,452 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 22:17:28,453 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 22:17:28,453 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:17:28,453 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 148 [2020-10-27 22:17:28,454 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:17:28,455 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:17:28,456 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:17:28,456 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 22:17:28,456 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 22:17:28,456 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 22:17:28,456 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:17:28,456 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 22:17:28,456 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-27 22:17:28,456 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 22:17:28,457 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:17:28,458 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 154 [2020-10-27 22:17:28,458 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:17:28,459 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:17:28,460 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:17:28,460 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 22:17:28,460 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 22:17:28,460 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 22:17:28,460 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:17:28,460 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 22:17:28,461 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-27 22:17:28,461 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 22:17:28,461 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:17:28,508 INFO L134 CoverageAnalysis]: Checked inductivity of 86 backedges. 43 proven. 13 refuted. 0 times theorem prover too weak. 30 trivial. 0 not checked. [2020-10-27 22:17:28,509 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1626295041] [2020-10-27 22:17:28,509 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-27 22:17:28,509 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [17] total 17 [2020-10-27 22:17:28,509 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1921115185] [2020-10-27 22:17:28,510 INFO L461 AbstractCegarLoop]: Interpolant automaton has 17 states [2020-10-27 22:17:28,510 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-27 22:17:28,510 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 17 interpolants. [2020-10-27 22:17:28,511 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=45, Invalid=227, Unknown=0, NotChecked=0, Total=272 [2020-10-27 22:17:28,511 INFO L87 Difference]: Start difference. First operand 394 states and 489 transitions. Second operand 17 states. [2020-10-27 22:17:29,175 WARN L193 SmtUtils]: Spent 369.00 ms on a formula simplification that was a NOOP. DAG size: 204 [2020-10-27 22:17:30,514 WARN L193 SmtUtils]: Spent 714.00 ms on a formula simplification. DAG size of input: 212 DAG size of output: 204 [2020-10-27 22:17:31,743 WARN L193 SmtUtils]: Spent 375.00 ms on a formula simplification that was a NOOP. DAG size: 207 [2020-10-27 22:17:32,220 WARN L193 SmtUtils]: Spent 384.00 ms on a formula simplification that was a NOOP. DAG size: 207 [2020-10-27 22:17:33,070 WARN L193 SmtUtils]: Spent 775.00 ms on a formula simplification. DAG size of input: 213 DAG size of output: 209 [2020-10-27 22:17:33,901 WARN L193 SmtUtils]: Spent 800.00 ms on a formula simplification. DAG size of input: 215 DAG size of output: 207 [2020-10-27 22:17:34,834 WARN L193 SmtUtils]: Spent 852.00 ms on a formula simplification. DAG size of input: 215 DAG size of output: 207 [2020-10-27 22:17:35,786 WARN L193 SmtUtils]: Spent 860.00 ms on a formula simplification. DAG size of input: 220 DAG size of output: 210 [2020-10-27 22:17:36,720 WARN L193 SmtUtils]: Spent 386.00 ms on a formula simplification that was a NOOP. DAG size: 208 [2020-10-27 22:17:37,300 WARN L193 SmtUtils]: Spent 406.00 ms on a formula simplification that was a NOOP. DAG size: 211 [2020-10-27 22:17:37,774 WARN L193 SmtUtils]: Spent 415.00 ms on a formula simplification that was a NOOP. DAG size: 211 [2020-10-27 22:17:38,229 WARN L193 SmtUtils]: Spent 420.00 ms on a formula simplification that was a NOOP. DAG size: 216 [2020-10-27 22:17:39,204 WARN L193 SmtUtils]: Spent 374.00 ms on a formula simplification that was a NOOP. DAG size: 205 [2020-10-27 22:17:39,614 WARN L193 SmtUtils]: Spent 343.00 ms on a formula simplification that was a NOOP. DAG size: 205 [2020-10-27 22:17:40,035 WARN L193 SmtUtils]: Spent 378.00 ms on a formula simplification that was a NOOP. DAG size: 212 [2020-10-27 22:17:40,729 WARN L193 SmtUtils]: Spent 380.00 ms on a formula simplification that was a NOOP. DAG size: 210 [2020-10-27 22:17:41,181 WARN L193 SmtUtils]: Spent 370.00 ms on a formula simplification that was a NOOP. DAG size: 205 [2020-10-27 22:17:42,020 WARN L193 SmtUtils]: Spent 418.00 ms on a formula simplification that was a NOOP. DAG size: 213 [2020-10-27 22:17:42,555 WARN L193 SmtUtils]: Spent 401.00 ms on a formula simplification that was a NOOP. DAG size: 213 [2020-10-27 22:17:43,055 WARN L193 SmtUtils]: Spent 434.00 ms on a formula simplification that was a NOOP. DAG size: 218 [2020-10-27 22:17:43,536 WARN L193 SmtUtils]: Spent 413.00 ms on a formula simplification that was a NOOP. DAG size: 208 [2020-10-27 22:17:44,026 WARN L193 SmtUtils]: Spent 372.00 ms on a formula simplification that was a NOOP. DAG size: 208 [2020-10-27 22:17:44,549 WARN L193 SmtUtils]: Spent 403.00 ms on a formula simplification that was a NOOP. DAG size: 214 [2020-10-27 22:17:45,741 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-27 22:17:45,741 INFO L93 Difference]: Finished difference Result 1159 states and 1475 transitions. [2020-10-27 22:17:45,742 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 40 states. [2020-10-27 22:17:45,742 INFO L78 Accepts]: Start accepts. Automaton has 17 states. Word has length 163 [2020-10-27 22:17:45,743 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-27 22:17:45,749 INFO L225 Difference]: With dead ends: 1159 [2020-10-27 22:17:45,749 INFO L226 Difference]: Without dead ends: 789 [2020-10-27 22:17:45,751 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 111 GetRequests, 60 SyntacticMatches, 4 SemanticMatches, 47 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 599 ImplicationChecksByTransitivity, 12.6s TimeCoverageRelationStatistics Valid=490, Invalid=1862, Unknown=0, NotChecked=0, Total=2352 [2020-10-27 22:17:45,753 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 789 states. [2020-10-27 22:17:45,943 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 789 to 711. [2020-10-27 22:17:45,943 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 711 states. [2020-10-27 22:17:45,947 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 711 states to 711 states and 885 transitions. [2020-10-27 22:17:45,947 INFO L78 Accepts]: Start accepts. Automaton has 711 states and 885 transitions. Word has length 163 [2020-10-27 22:17:45,948 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-27 22:17:45,948 INFO L481 AbstractCegarLoop]: Abstraction has 711 states and 885 transitions. [2020-10-27 22:17:45,948 INFO L482 AbstractCegarLoop]: Interpolant automaton has 17 states. [2020-10-27 22:17:45,948 INFO L276 IsEmpty]: Start isEmpty. Operand 711 states and 885 transitions. [2020-10-27 22:17:45,951 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 168 [2020-10-27 22:17:45,951 INFO L414 BasicCegarLoop]: Found error trace [2020-10-27 22:17:45,951 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 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] [2020-10-27 22:17:45,952 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2020-10-27 22:17:45,952 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 22:17:45,952 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-27 22:17:45,952 INFO L82 PathProgramCache]: Analyzing trace with hash -197662925, now seen corresponding path program 1 times [2020-10-27 22:17:45,952 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-27 22:17:45,953 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [28369454] [2020-10-27 22:17:45,953 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-27 22:17:45,999 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-10-27 22:17:46,003 INFO L173 FreeRefinementEngine]: Strategy FIXED_PREFERENCES found a feasible trace [2020-10-27 22:17:46,003 INFO L523 BasicCegarLoop]: Counterexample might be feasible [2020-10-27 22:17:46,008 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2020-10-27 22:17:46,039 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 27.10 10:17:46 BoogieIcfgContainer [2020-10-27 22:17:46,039 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-10-27 22:17:46,041 INFO L168 Benchmark]: Toolchain (without parser) took 93356.66 ms. Allocated memory was 152.0 MB in the beginning and 791.7 MB in the end (delta: 639.6 MB). Free memory was 126.5 MB in the beginning and 702.1 MB in the end (delta: -575.5 MB). Peak memory consumption was 64.5 MB. Max. memory is 8.0 GB. [2020-10-27 22:17:46,042 INFO L168 Benchmark]: CDTParser took 0.25 ms. Allocated memory is still 152.0 MB. Free memory is still 124.2 MB. There was no memory consumed. Max. memory is 8.0 GB. [2020-10-27 22:17:46,043 INFO L168 Benchmark]: CACSL2BoogieTranslator took 570.35 ms. Allocated memory is still 152.0 MB. Free memory was 125.9 MB in the beginning and 104.6 MB in the end (delta: 21.3 MB). Peak memory consumption was 22.0 MB. Max. memory is 8.0 GB. [2020-10-27 22:17:46,043 INFO L168 Benchmark]: Boogie Preprocessor took 97.85 ms. Allocated memory is still 152.0 MB. Free memory was 104.6 MB in the beginning and 100.8 MB in the end (delta: 3.8 MB). Peak memory consumption was 3.1 MB. Max. memory is 8.0 GB. [2020-10-27 22:17:46,044 INFO L168 Benchmark]: RCFGBuilder took 1238.63 ms. Allocated memory is still 152.0 MB. Free memory was 100.7 MB in the beginning and 131.3 MB in the end (delta: -30.6 MB). Peak memory consumption was 57.1 MB. Max. memory is 8.0 GB. [2020-10-27 22:17:46,045 INFO L168 Benchmark]: TraceAbstraction took 91438.00 ms. Allocated memory was 152.0 MB in the beginning and 791.7 MB in the end (delta: 639.6 MB). Free memory was 130.8 MB in the beginning and 702.1 MB in the end (delta: -571.3 MB). Peak memory consumption was 68.3 MB. Max. memory is 8.0 GB. [2020-10-27 22:17:46,048 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.25 ms. Allocated memory is still 152.0 MB. Free memory is still 124.2 MB. There was no memory consumed. Max. memory is 8.0 GB. * CACSL2BoogieTranslator took 570.35 ms. Allocated memory is still 152.0 MB. Free memory was 125.9 MB in the beginning and 104.6 MB in the end (delta: 21.3 MB). Peak memory consumption was 22.0 MB. Max. memory is 8.0 GB. * Boogie Preprocessor took 97.85 ms. Allocated memory is still 152.0 MB. Free memory was 104.6 MB in the beginning and 100.8 MB in the end (delta: 3.8 MB). Peak memory consumption was 3.1 MB. Max. memory is 8.0 GB. * RCFGBuilder took 1238.63 ms. Allocated memory is still 152.0 MB. Free memory was 100.7 MB in the beginning and 131.3 MB in the end (delta: -30.6 MB). Peak memory consumption was 57.1 MB. Max. memory is 8.0 GB. * TraceAbstraction took 91438.00 ms. Allocated memory was 152.0 MB in the beginning and 791.7 MB in the end (delta: 639.6 MB). Free memory was 130.8 MB in the beginning and 702.1 MB in the end (delta: -571.3 MB). Peak memory consumption was 68.3 MB. Max. memory is 8.0 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - CounterExampleResult [Line: 3]: a call of __VERIFIER_error() is reachable a call of __VERIFIER_error() is reachable We found a FailurePath: [L49] int waterLevel = 1; [L50] int methaneLevelCritical = 0; [L312] static struct __ACC__ERR *head = (struct __ACC__ERR *)0; [L575] int cleanupTimeShifts = 4; [L744] int pumpRunning = 0; [L745] int systemActive = 1; [L651] int retValue_acc ; [L652] int tmp ; [L656] FCALL select_helpers() [L657] FCALL select_features() [L658] CALL, EXPR valid_product() [L538] int retValue_acc ; [L541] retValue_acc = 1 [L542] return (retValue_acc); [L658] RET, EXPR valid_product() [L658] tmp = valid_product() [L660] COND TRUE \read(tmp) [L662] FCALL setup() [L663] CALL runTest() [L645] CALL test() [L676] int splverifierCounter ; [L677] int tmp ; [L678] int tmp___0 ; [L679] int tmp___1 ; [L680] int tmp___2 ; [L683] splverifierCounter = 0 [L685] COND TRUE 1 [L687] COND TRUE splverifierCounter < 4 [L693] tmp = __VERIFIER_nondet_int() [L695] COND TRUE \read(tmp) [L697] CALL waterRise() [L67] COND TRUE waterLevel < 2 [L68] waterLevel = waterLevel + 1 [L697] RET waterRise() [L703] tmp___0 = __VERIFIER_nondet_int() [L705] COND FALSE !(\read(tmp___0)) [L713] tmp___2 = __VERIFIER_nondet_int() [L715] COND FALSE !(\read(tmp___2)) [L721] tmp___1 = __VERIFIER_nondet_int() [L723] COND TRUE \read(tmp___1) [L730] CALL timeShift() [L751] COND FALSE !(\read(pumpRunning)) [L758] COND TRUE \read(systemActive) [L760] CALL processEnvironment() [L780] int tmp ; [L783] COND TRUE ! pumpRunning [L785] CALL, EXPR isHighWaterLevel() [L895] int retValue_acc ; [L896] int tmp ; [L897] int tmp___0 ; [L901] CALL, EXPR isHighWaterSensorDry() [L129] int retValue_acc ; [L132] COND FALSE !(waterLevel < 2) [L136] retValue_acc = 0 [L137] return (retValue_acc); [L901] RET, EXPR isHighWaterSensorDry() [L901] tmp = isHighWaterSensorDry() [L903] COND FALSE !(\read(tmp)) [L906] tmp___0 = 1 [L908] retValue_acc = tmp___0 [L909] return (retValue_acc); [L785] RET, EXPR isHighWaterLevel() [L785] tmp = isHighWaterLevel() [L787] COND TRUE \read(tmp) [L789] CALL activatePump() [L814] int tmp ; [L818] CALL, EXPR isMethaneAlarm() [L839] int retValue_acc ; [L843] CALL, EXPR isMethaneLevelCritical() [L88] int retValue_acc ; [L91] retValue_acc = methaneLevelCritical [L92] return (retValue_acc); [L843] RET, EXPR isMethaneLevelCritical() [L843] retValue_acc = isMethaneLevelCritical() [L845] return (retValue_acc); [L818] RET, EXPR isMethaneAlarm() [L818] tmp = isMethaneAlarm() [L820] COND FALSE !(\read(tmp)) [L824] CALL activatePump__wrappee__highWaterSensor() [L808] pumpRunning = 1 [L824] RET activatePump__wrappee__highWaterSensor() [L789] RET activatePump() [L760] RET processEnvironment() [L766] CALL __utac_acc__Specification4_spec__1() [L550] int tmp ; [L551] int tmp___0 ; [L555] CALL, EXPR getWaterLevel() [L120] int retValue_acc ; [L123] retValue_acc = waterLevel [L124] return (retValue_acc); [L555] RET, EXPR getWaterLevel() [L555] tmp = getWaterLevel() [L557] COND FALSE !(tmp == 0) [L766] RET __utac_acc__Specification4_spec__1() [L730] RET timeShift() [L685] COND TRUE 1 [L687] COND TRUE splverifierCounter < 4 [L693] tmp = __VERIFIER_nondet_int() [L695] COND FALSE !(\read(tmp)) [L703] tmp___0 = __VERIFIER_nondet_int() [L705] COND FALSE !(\read(tmp___0)) [L713] tmp___2 = __VERIFIER_nondet_int() [L715] COND FALSE !(\read(tmp___2)) [L721] tmp___1 = __VERIFIER_nondet_int() [L723] COND TRUE \read(tmp___1) [L730] CALL timeShift() [L751] COND TRUE \read(pumpRunning) [L753] CALL lowerWaterLevel() [L55] COND TRUE waterLevel > 0 [L56] waterLevel = waterLevel - 1 [L753] RET lowerWaterLevel() [L758] COND TRUE \read(systemActive) [L760] CALL processEnvironment() [L780] int tmp ; [L783] COND FALSE !(! pumpRunning) [L798] FCALL processEnvironment__wrappee__base() [L760] RET processEnvironment() [L766] CALL __utac_acc__Specification4_spec__1() [L550] int tmp ; [L551] int tmp___0 ; [L555] CALL, EXPR getWaterLevel() [L120] int retValue_acc ; [L123] retValue_acc = waterLevel [L124] return (retValue_acc); [L555] RET, EXPR getWaterLevel() [L555] tmp = getWaterLevel() [L557] COND FALSE !(tmp == 0) [L766] RET __utac_acc__Specification4_spec__1() [L730] RET timeShift() [L685] COND TRUE 1 [L687] COND TRUE splverifierCounter < 4 [L693] tmp = __VERIFIER_nondet_int() [L695] COND FALSE !(\read(tmp)) [L703] tmp___0 = __VERIFIER_nondet_int() [L705] COND FALSE !(\read(tmp___0)) [L713] tmp___2 = __VERIFIER_nondet_int() [L715] COND FALSE !(\read(tmp___2)) [L721] tmp___1 = __VERIFIER_nondet_int() [L723] COND TRUE \read(tmp___1) [L730] CALL timeShift() [L751] COND TRUE \read(pumpRunning) [L753] CALL lowerWaterLevel() [L55] COND TRUE waterLevel > 0 [L56] waterLevel = waterLevel - 1 [L753] RET lowerWaterLevel() [L758] COND TRUE \read(systemActive) [L760] CALL processEnvironment() [L780] int tmp ; [L783] COND FALSE !(! pumpRunning) [L798] FCALL processEnvironment__wrappee__base() [L760] RET processEnvironment() [L766] CALL __utac_acc__Specification4_spec__1() [L550] int tmp ; [L551] int tmp___0 ; [L555] CALL, EXPR getWaterLevel() [L120] int retValue_acc ; [L123] retValue_acc = waterLevel [L124] return (retValue_acc); [L555] RET, EXPR getWaterLevel() [L555] tmp = getWaterLevel() [L557] COND TRUE tmp == 0 [L559] CALL, EXPR isPumpRunning() [L850] int retValue_acc ; [L853] retValue_acc = pumpRunning [L854] return (retValue_acc); [L559] RET, EXPR isPumpRunning() [L559] tmp___0 = isPumpRunning() [L561] COND TRUE \read(tmp___0) [L563] CALL __automaton_fail() [L926] CALL reach_error() [L3] __assert_fail("0", "minepump_spec4_product42.cil.c", 3, "reach_error") - StatisticsResult: Ultimate Automizer benchmark data CFG has 40 procedures, 238 locations, 5 error locations. Started 1 CEGAR loops. VerificationResult: UNSAFE, OverallTime: 91.3s, OverallIterations: 9, TraceHistogramMax: 3, AutomataDifference: 49.2s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 1082 SDtfs, 2922 SDslu, 1381 SDs, 0 SdLazy, 7046 SolverSat, 2382 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 21.4s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 456 GetRequests, 310 SyntacticMatches, 11 SemanticMatches, 135 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 843 ImplicationChecksByTransitivity, 26.3s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=711occurred in iteration=8, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.9s AutomataMinimizationTime, 8 MinimizatonAttempts, 880 StatesRemovedByMinimization, 8 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.3s SatisfiabilityAnalysisTime, 40.3s InterpolantComputationTime, 1053 NumberOfCodeBlocks, 1053 NumberOfCodeBlocksAsserted, 9 NumberOfCheckSat, 878 ConstructedInterpolants, 0 QuantifiedInterpolants, 358364 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 8 InterpolantComputations, 5 PerfectInterpolantSequences, 176/196 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be incorrect! Received shutdown request...