/usr/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata ./data -tc ../../../trunk/examples/toolchains/AutomizerC.xml --traceabstraction.trace.refinement.strategy FIXED_PREFERENCES --traceabstraction.compute.interpolants.along.a.counterexample Craig_NestedInterpolation --traceabstraction.smt.solver Internal_SMTInterpol --traceabstraction.compute.trace.for.counterexample.result false --rcfgbuilder.size.of.a.code.block SequenceOfStatements --traceabstraction.use.minimal.unsat.core.enumeration true --traceabstraction.additional.smt.options produce-proofs=true --traceabstraction.additional.smt.options produce-unsat-cores=true --traceabstraction.additional.smt.options enumeration-timeout=5000 --traceabstraction.additional.smt.options interpolation-heuristic=SHALLOWEST --traceabstraction.additional.smt.options log-additional-information=true --traceabstraction.additional.smt.options unknown-allowed=true -s ../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf language data_model -i ../../../trunk/examples/svcomp/product-lines/minepump_spec2_product55.cil.c -------------------------------------------------------------------------------- This is Ultimate 0.2.0-0f64333 [2020-10-27 03:30:35,370 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-10-27 03:30:35,373 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-10-27 03:30:35,416 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-10-27 03:30:35,417 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-10-27 03:30:35,425 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-10-27 03:30:35,427 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-10-27 03:30:35,432 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-10-27 03:30:35,436 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-10-27 03:30:35,442 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-10-27 03:30:35,443 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-10-27 03:30:35,445 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-10-27 03:30:35,445 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-10-27 03:30:35,448 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-10-27 03:30:35,452 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-10-27 03:30:35,455 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-10-27 03:30:35,456 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-10-27 03:30:35,460 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-10-27 03:30:35,467 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-10-27 03:30:35,475 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-10-27 03:30:35,477 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-10-27 03:30:35,479 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-10-27 03:30:35,481 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-10-27 03:30:35,484 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-10-27 03:30:35,493 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-10-27 03:30:35,494 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-10-27 03:30:35,515 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-10-27 03:30:35,518 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-10-27 03:30:35,518 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-10-27 03:30:35,519 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-10-27 03:30:35,520 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-10-27 03:30:35,521 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-10-27 03:30:35,523 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-10-27 03:30:35,525 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-10-27 03:30:35,526 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-10-27 03:30:35,526 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-10-27 03:30:35,527 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-10-27 03:30:35,527 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-10-27 03:30:35,528 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-10-27 03:30:35,529 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-10-27 03:30:35,530 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-10-27 03:30:35,537 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf [2020-10-27 03:30:35,590 INFO L113 SettingsManager]: Loading preferences was successful [2020-10-27 03:30:35,590 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-10-27 03:30:35,595 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-10-27 03:30:35,596 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-10-27 03:30:35,596 INFO L138 SettingsManager]: * Use SBE=true [2020-10-27 03:30:35,596 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-10-27 03:30:35,596 INFO L138 SettingsManager]: * sizeof long=4 [2020-10-27 03:30:35,597 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-10-27 03:30:35,597 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-10-27 03:30:35,597 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-10-27 03:30:35,598 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-10-27 03:30:35,599 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-10-27 03:30:35,599 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-10-27 03:30:35,599 INFO L138 SettingsManager]: * sizeof long double=12 [2020-10-27 03:30:35,599 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-10-27 03:30:35,599 INFO L138 SettingsManager]: * Use constant arrays=true [2020-10-27 03:30:35,600 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-10-27 03:30:35,600 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-10-27 03:30:35,600 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-10-27 03:30:35,600 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-10-27 03:30:35,601 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-10-27 03:30:35,601 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-10-27 03:30:35,601 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-10-27 03:30:35,601 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-10-27 03:30:35,601 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-10-27 03:30:35,602 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-10-27 03:30:35,602 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-10-27 03:30:35,602 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-10-27 03:30:35,602 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-10-27 03:30:35,602 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Trace refinement strategy -> FIXED_PREFERENCES Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute Interpolants along a Counterexample -> Craig_NestedInterpolation Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: SMT solver -> Internal_SMTInterpol Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute trace for counterexample result -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder: Size of a code block -> SequenceOfStatements Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Use minimal unsat core enumeration -> true Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=5000;interpolation-heuristic=SHALLOWEST;log-additional-information=true;unknown-allowed=true; [2020-10-27 03:30:36,049 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-10-27 03:30:36,074 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-10-27 03:30:36,077 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-10-27 03:30:36,079 INFO L271 PluginConnector]: Initializing CDTParser... [2020-10-27 03:30:36,080 INFO L275 PluginConnector]: CDTParser initialized [2020-10-27 03:30:36,081 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/product-lines/minepump_spec2_product55.cil.c [2020-10-27 03:30:36,166 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/39f3de2be/4281b6d0081649a6a128d27e2733020f/FLAG8eb18e268 [2020-10-27 03:30:36,807 INFO L306 CDTParser]: Found 1 translation units. [2020-10-27 03:30:36,808 INFO L160 CDTParser]: Scanning /storage/repos/ultimate-2/trunk/examples/svcomp/product-lines/minepump_spec2_product55.cil.c [2020-10-27 03:30:36,824 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/39f3de2be/4281b6d0081649a6a128d27e2733020f/FLAG8eb18e268 [2020-10-27 03:30:37,102 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/39f3de2be/4281b6d0081649a6a128d27e2733020f [2020-10-27 03:30:37,105 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-10-27 03:30:37,113 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-10-27 03:30:37,117 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-10-27 03:30:37,117 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-10-27 03:30:37,122 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-10-27 03:30:37,123 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.10 03:30:37" (1/1) ... [2020-10-27 03:30:37,128 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@43aa32e9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 03:30:37, skipping insertion in model container [2020-10-27 03:30:37,128 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.10 03:30:37" (1/1) ... [2020-10-27 03:30:37,138 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-10-27 03:30:37,216 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-10-27 03:30:37,564 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-27 03:30:37,581 INFO L203 MainTranslator]: Completed pre-run [2020-10-27 03:30:37,727 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-27 03:30:37,774 INFO L208 MainTranslator]: Completed translation [2020-10-27 03:30:37,774 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 03:30:37 WrapperNode [2020-10-27 03:30:37,774 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-10-27 03:30:37,776 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-10-27 03:30:37,776 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-10-27 03:30:37,776 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-10-27 03:30:37,792 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 03:30:37" (1/1) ... [2020-10-27 03:30:37,792 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 03:30:37" (1/1) ... [2020-10-27 03:30:37,836 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 03:30:37" (1/1) ... [2020-10-27 03:30:37,836 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 03:30:37" (1/1) ... [2020-10-27 03:30:37,898 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 03:30:37" (1/1) ... [2020-10-27 03:30:37,913 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 03:30:37" (1/1) ... [2020-10-27 03:30:37,925 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 03:30:37" (1/1) ... [2020-10-27 03:30:37,941 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-10-27 03:30:37,942 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-10-27 03:30:37,944 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-10-27 03:30:37,944 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-10-27 03:30:37,945 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 03:30:37" (1/1) ... No working directory specified, using /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-10-27 03:30:38,034 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-10-27 03:30:38,034 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-10-27 03:30:38,035 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~X~int~TO~int [2020-10-27 03:30:38,035 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error [2020-10-27 03:30:38,035 INFO L138 BoogieDeclarations]: Found implementation of procedure select_one [2020-10-27 03:30:38,036 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2020-10-27 03:30:38,036 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2020-10-27 03:30:38,036 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2020-10-27 03:30:38,036 INFO L138 BoogieDeclarations]: Found implementation of procedure lowerWaterLevel [2020-10-27 03:30:38,037 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2020-10-27 03:30:38,037 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2020-10-27 03:30:38,038 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2020-10-27 03:30:38,038 INFO L138 BoogieDeclarations]: Found implementation of procedure printEnvironment [2020-10-27 03:30:38,038 INFO L138 BoogieDeclarations]: Found implementation of procedure getWaterLevel [2020-10-27 03:30:38,038 INFO L138 BoogieDeclarations]: Found implementation of procedure isHighWaterSensorDry [2020-10-27 03:30:38,039 INFO L138 BoogieDeclarations]: Found implementation of procedure isLowWaterSensorDry [2020-10-27 03:30:38,039 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2020-10-27 03:30:38,040 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2020-10-27 03:30:38,040 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__base [2020-10-27 03:30:38,040 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__highWaterSensor [2020-10-27 03:30:38,040 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__lowWaterSensor [2020-10-27 03:30:38,040 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment [2020-10-27 03:30:38,040 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump [2020-10-27 03:30:38,040 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivatePump [2020-10-27 03:30:38,041 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneAlarm [2020-10-27 03:30:38,041 INFO L138 BoogieDeclarations]: Found implementation of procedure isPumpRunning [2020-10-27 03:30:38,041 INFO L138 BoogieDeclarations]: Found implementation of procedure printPump [2020-10-27 03:30:38,041 INFO L138 BoogieDeclarations]: Found implementation of procedure isHighWaterLevel [2020-10-27 03:30:38,041 INFO L138 BoogieDeclarations]: Found implementation of procedure isLowWaterLevel [2020-10-27 03:30:38,041 INFO L138 BoogieDeclarations]: Found implementation of procedure stopSystem [2020-10-27 03:30:38,041 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_set [2020-10-27 03:30:38,042 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_free [2020-10-27 03:30:38,042 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_reset [2020-10-27 03:30:38,042 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__error_stack_mgt [2020-10-27 03:30:38,042 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_arg [2020-10-27 03:30:38,042 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_argtype [2020-10-27 03:30:38,042 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification2_spec__1 [2020-10-27 03:30:38,042 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification2_spec__2 [2020-10-27 03:30:38,043 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2020-10-27 03:30:38,043 INFO L138 BoogieDeclarations]: Found implementation of procedure Specification2 [2020-10-27 03:30:38,043 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2020-10-27 03:30:38,043 INFO L138 BoogieDeclarations]: Found implementation of procedure runTest [2020-10-27 03:30:38,043 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-10-27 03:30:38,043 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2020-10-27 03:30:38,043 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2020-10-27 03:30:38,044 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2020-10-27 03:30:38,044 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error [2020-10-27 03:30:38,044 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-10-27 03:30:38,044 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2020-10-27 03:30:38,044 INFO L130 BoogieDeclarations]: Found specification of procedure printf [2020-10-27 03:30:38,044 INFO L130 BoogieDeclarations]: Found specification of procedure select_one [2020-10-27 03:30:38,044 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2020-10-27 03:30:38,045 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2020-10-27 03:30:38,046 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2020-10-27 03:30:38,046 INFO L130 BoogieDeclarations]: Found specification of procedure lowerWaterLevel [2020-10-27 03:30:38,046 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2020-10-27 03:30:38,046 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2020-10-27 03:30:38,046 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2020-10-27 03:30:38,046 INFO L130 BoogieDeclarations]: Found specification of procedure getWaterLevel [2020-10-27 03:30:38,046 INFO L130 BoogieDeclarations]: Found specification of procedure printEnvironment [2020-10-27 03:30:38,047 INFO L130 BoogieDeclarations]: Found specification of procedure isHighWaterSensorDry [2020-10-27 03:30:38,047 INFO L130 BoogieDeclarations]: Found specification of procedure isLowWaterSensorDry [2020-10-27 03:30:38,047 INFO L130 BoogieDeclarations]: Found specification of procedure stopSystem [2020-10-27 03:30:38,047 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2020-10-27 03:30:38,048 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2020-10-27 03:30:38,048 INFO L130 BoogieDeclarations]: Found specification of procedure test [2020-10-27 03:30:38,048 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump [2020-10-27 03:30:38,048 INFO L130 BoogieDeclarations]: Found specification of procedure deactivatePump [2020-10-27 03:30:38,048 INFO L130 BoogieDeclarations]: Found specification of procedure isPumpRunning [2020-10-27 03:30:38,048 INFO L130 BoogieDeclarations]: Found specification of procedure printPump [2020-10-27 03:30:38,049 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification2_spec__2 [2020-10-27 03:30:38,049 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment [2020-10-27 03:30:38,051 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__base [2020-10-27 03:30:38,051 INFO L130 BoogieDeclarations]: Found specification of procedure isHighWaterLevel [2020-10-27 03:30:38,051 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__highWaterSensor [2020-10-27 03:30:38,052 INFO L130 BoogieDeclarations]: Found specification of procedure isLowWaterLevel [2020-10-27 03:30:38,052 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__lowWaterSensor [2020-10-27 03:30:38,052 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneAlarm [2020-10-27 03:30:38,052 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2020-10-27 03:30:38,052 INFO L130 BoogieDeclarations]: Found specification of procedure free [2020-10-27 03:30:38,053 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_set [2020-10-27 03:30:38,053 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2020-10-27 03:30:38,053 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2020-10-27 03:30:38,054 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-10-27 03:30:38,054 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2020-10-27 03:30:38,054 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_free [2020-10-27 03:30:38,055 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-10-27 03:30:38,055 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_reset [2020-10-27 03:30:38,055 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~X~int~TO~int [2020-10-27 03:30:38,055 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2020-10-27 03:30:38,055 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__error_stack_mgt [2020-10-27 03:30:38,055 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_arg [2020-10-27 03:30:38,055 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_argtype [2020-10-27 03:30:38,056 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2020-10-27 03:30:38,056 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification2_spec__1 [2020-10-27 03:30:38,056 INFO L130 BoogieDeclarations]: Found specification of procedure Specification2 [2020-10-27 03:30:38,056 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2020-10-27 03:30:38,056 INFO L130 BoogieDeclarations]: Found specification of procedure runTest [2020-10-27 03:30:38,056 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-10-27 03:30:38,056 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-10-27 03:30:38,057 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-10-27 03:30:38,057 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-10-27 03:30:39,425 INFO L293 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-10-27 03:30:39,425 INFO L298 CfgBuilder]: Removed 5 assume(true) statements. [2020-10-27 03:30:39,432 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 27.10 03:30:39 BoogieIcfgContainer [2020-10-27 03:30:39,432 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-10-27 03:30:39,434 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-10-27 03:30:39,435 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-10-27 03:30:39,439 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-10-27 03:30:39,440 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 27.10 03:30:37" (1/3) ... [2020-10-27 03:30:39,441 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1db64dec and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 27.10 03:30:39, skipping insertion in model container [2020-10-27 03:30:39,441 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 03:30:37" (2/3) ... [2020-10-27 03:30:39,442 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1db64dec and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 27.10 03:30:39, skipping insertion in model container [2020-10-27 03:30:39,443 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 27.10 03:30:39" (3/3) ... [2020-10-27 03:30:39,444 INFO L111 eAbstractionObserver]: Analyzing ICFG minepump_spec2_product55.cil.c [2020-10-27 03:30:39,460 INFO L164 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:Craig_NestedInterpolation Determinization: PREDICATE_ABSTRACTION [2020-10-27 03:30:39,466 INFO L176 ceAbstractionStarter]: Appying trace abstraction to program that has 5 error locations. [2020-10-27 03:30:39,480 INFO L253 AbstractCegarLoop]: Starting to check reachability of 5 error locations. [2020-10-27 03:30:39,523 INFO L377 AbstractCegarLoop]: Interprodecural is true [2020-10-27 03:30:39,523 INFO L378 AbstractCegarLoop]: Hoare is true [2020-10-27 03:30:39,523 INFO L379 AbstractCegarLoop]: Compute interpolants for Craig_NestedInterpolation [2020-10-27 03:30:39,524 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-10-27 03:30:39,524 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-10-27 03:30:39,524 INFO L382 AbstractCegarLoop]: Difference is false [2020-10-27 03:30:39,525 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-10-27 03:30:39,525 INFO L387 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-10-27 03:30:39,554 INFO L276 IsEmpty]: Start isEmpty. Operand 201 states. [2020-10-27 03:30:39,569 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2020-10-27 03:30:39,569 INFO L414 BasicCegarLoop]: Found error trace [2020-10-27 03:30:39,570 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-27 03:30:39,571 INFO L429 AbstractCegarLoop]: === Iteration 1 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argErr1ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argErr0ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argtypeErr0ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argtypeErr1ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-27 03:30:39,581 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-27 03:30:39,584 INFO L82 PathProgramCache]: Analyzing trace with hash -326784000, now seen corresponding path program 1 times [2020-10-27 03:30:39,595 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-27 03:30:39,595 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [401866142] [2020-10-27 03:30:39,596 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-27 03:30:39,931 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 03:30:40,000 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:30:40,101 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:30:40,666 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:30:42,087 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:30:42,571 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:30:44,959 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 03:30:44,967 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 86 [2020-10-27 03:30:44,967 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 5 [2020-10-27 03:30:44,968 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5023 [2020-10-27 03:30:44,970 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 03:30:44,970 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 8 [2020-10-27 03:30:44,970 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-27 03:30:44,971 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 53 [2020-10-27 03:30:44,971 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 3 [2020-10-27 03:30:45,512 WARN L193 SmtUtils]: Spent 436.00 ms on a formula simplification that was a NOOP. DAG size: 205 [2020-10-27 03:30:45,515 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-27 03:30:45,554 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 03:30:45,575 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:30:45,676 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 03:30:45,676 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 03:30:45,676 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 03:30:45,677 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 121 [2020-10-27 03:30:45,677 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 03:30:45,677 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 03:30:45,677 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 03:30:45,677 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-10-27 03:30:45,677 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 03:30:45,707 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-27 03:30:45,713 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 03:30:45,717 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:30:45,720 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 03:30:45,720 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-27 03:30:45,720 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 03:30:45,721 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-27 03:30:45,721 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 03:30:45,721 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 03:30:45,721 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 03:30:45,721 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-10-27 03:30:45,721 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 03:30:45,724 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-10-27 03:30:45,726 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 03:30:45,727 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:30:45,729 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 03:30:45,729 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-27 03:30:45,729 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 03:30:45,729 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-27 03:30:45,729 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 03:30:45,729 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 03:30:45,730 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 03:30:45,730 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-10-27 03:30:45,730 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 03:30:45,733 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-27 03:30:45,735 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 03:30:45,736 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:30:45,739 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 03:30:45,740 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 03:30:45,740 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 03:30:45,740 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-27 03:30:45,740 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 03:30:45,740 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 03:30:45,740 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 03:30:45,740 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-27 03:30:45,741 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 03:30:45,744 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-10-27 03:30:45,756 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 03:30:45,759 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:30:45,761 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 03:30:45,761 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-27 03:30:45,761 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 03:30:45,761 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-27 03:30:45,761 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 03:30:45,762 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 03:30:45,762 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 03:30:45,762 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-10-27 03:30:45,762 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 03:30:45,775 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2020-10-27 03:30:45,777 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 03:30:45,778 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:30:45,780 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 03:30:45,781 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 03:30:45,781 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 03:30:45,781 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-27 03:30:45,781 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 03:30:45,781 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 03:30:45,782 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 03:30:45,782 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-27 03:30:45,782 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 03:30:45,785 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2020-10-27 03:30:45,787 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 03:30:45,788 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:30:45,789 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 03:30:45,790 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 03:30:45,790 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 03:30:45,790 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 03:30:45,790 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 03:30:45,790 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 03:30:45,791 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-27 03:30:45,791 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 03:30:45,791 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 03:30:45,793 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 42 [2020-10-27 03:30:45,794 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 03:30:45,795 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:30:45,796 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 03:30:45,797 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 03:30:45,797 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 03:30:45,797 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 03:30:45,797 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 03:30:45,797 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 03:30:45,798 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-27 03:30:45,798 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 03:30:45,798 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 03:30:45,819 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-27 03:30:45,820 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [401866142] [2020-10-27 03:30:45,822 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-27 03:30:45,822 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2020-10-27 03:30:45,823 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2017862247] [2020-10-27 03:30:45,830 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-10-27 03:30:45,830 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-27 03:30:45,848 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-10-27 03:30:45,852 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-10-27 03:30:45,854 INFO L87 Difference]: Start difference. First operand 201 states. Second operand 5 states. [2020-10-27 03:30:46,548 WARN L193 SmtUtils]: Spent 485.00 ms on a formula simplification that was a NOOP. DAG size: 207 [2020-10-27 03:30:49,694 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-27 03:30:49,695 INFO L93 Difference]: Finished difference Result 499 states and 658 transitions. [2020-10-27 03:30:49,696 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2020-10-27 03:30:49,698 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 52 [2020-10-27 03:30:49,699 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-27 03:30:49,715 INFO L225 Difference]: With dead ends: 499 [2020-10-27 03:30:49,716 INFO L226 Difference]: Without dead ends: 331 [2020-10-27 03:30:49,721 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 24 GetRequests, 19 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.9s TimeCoverageRelationStatistics Valid=18, Invalid=24, Unknown=0, NotChecked=0, Total=42 [2020-10-27 03:30:49,742 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 331 states. [2020-10-27 03:30:49,913 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 331 to 275. [2020-10-27 03:30:49,915 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 275 states. [2020-10-27 03:30:49,918 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 275 states to 275 states and 336 transitions. [2020-10-27 03:30:49,920 INFO L78 Accepts]: Start accepts. Automaton has 275 states and 336 transitions. Word has length 52 [2020-10-27 03:30:49,921 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-27 03:30:49,921 INFO L481 AbstractCegarLoop]: Abstraction has 275 states and 336 transitions. [2020-10-27 03:30:49,921 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-10-27 03:30:49,921 INFO L276 IsEmpty]: Start isEmpty. Operand 275 states and 336 transitions. [2020-10-27 03:30:49,926 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 64 [2020-10-27 03:30:49,926 INFO L414 BasicCegarLoop]: Found error trace [2020-10-27 03:30:49,927 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-27 03:30:49,927 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-10-27 03:30:49,927 INFO L429 AbstractCegarLoop]: === Iteration 2 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argErr1ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argErr0ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argtypeErr0ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argtypeErr1ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-27 03:30:49,928 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-27 03:30:49,928 INFO L82 PathProgramCache]: Analyzing trace with hash -651268893, now seen corresponding path program 1 times [2020-10-27 03:30:49,928 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-27 03:30:49,928 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1894757696] [2020-10-27 03:30:49,929 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-27 03:30:49,964 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 03:30:49,985 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:30:50,643 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:30:50,996 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:30:51,131 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:30:52,226 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:30:54,970 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 03:30:54,971 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 97 [2020-10-27 03:30:54,971 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 5 [2020-10-27 03:30:54,971 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5005 [2020-10-27 03:30:54,971 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 03:30:54,971 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 15 [2020-10-27 03:30:54,971 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-27 03:30:54,972 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 84 [2020-10-27 03:30:54,972 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 03:30:55,353 WARN L193 SmtUtils]: Spent 301.00 ms on a formula simplification that was a NOOP. DAG size: 205 [2020-10-27 03:30:55,354 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-27 03:30:55,377 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 03:30:55,394 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:30:55,466 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 03:30:55,466 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 03:30:55,468 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 03:30:55,468 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 88 [2020-10-27 03:30:55,468 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 03:30:55,469 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 03:30:55,469 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 03:30:55,469 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-10-27 03:30:55,469 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 03:30:55,485 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-27 03:30:55,486 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 03:30:55,487 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:30:55,488 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 03:30:55,488 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-27 03:30:55,488 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 03:30:55,489 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 03:30:55,489 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 03:30:55,489 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 03:30:55,489 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 03:30:55,489 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-10-27 03:30:55,489 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 03:30:55,490 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-10-27 03:30:55,491 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 03:30:55,492 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:30:55,493 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 03:30:55,494 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-27 03:30:55,494 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 03:30:55,494 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 03:30:55,494 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 03:30:55,494 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 03:30:55,494 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 03:30:55,494 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-10-27 03:30:55,495 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 03:30:55,495 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-27 03:30:55,497 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 03:30:55,498 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:30:55,500 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 03:30:55,500 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 03:30:55,500 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 03:30:55,500 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-27 03:30:55,500 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 03:30:55,500 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 03:30:55,501 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 03:30:55,501 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-27 03:30:55,501 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 03:30:55,502 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-10-27 03:30:55,503 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 03:30:55,504 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:30:55,505 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 03:30:55,505 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-27 03:30:55,505 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 03:30:55,505 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 03:30:55,506 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 03:30:55,506 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 03:30:55,506 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 03:30:55,506 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-10-27 03:30:55,506 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 03:30:55,519 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2020-10-27 03:30:55,520 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 03:30:55,521 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:30:55,522 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 03:30:55,523 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 03:30:55,523 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 03:30:55,523 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 03:30:55,523 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 03:30:55,523 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 03:30:55,523 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 03:30:55,524 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-27 03:30:55,524 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 03:30:55,547 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-10-27 03:30:55,548 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 03:30:55,549 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:30:55,552 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:30:55,556 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 03:30:55,557 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 03:30:55,557 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-27 03:30:55,557 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 8 [2020-10-27 03:30:55,557 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 03:30:55,557 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-27 03:30:55,558 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-27 03:30:55,558 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 9 [2020-10-27 03:30:55,558 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 03:30:55,642 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2020-10-27 03:30:55,644 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 03:30:55,645 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:30:55,647 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 03:30:55,647 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 03:30:55,648 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 03:30:55,648 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-27 03:30:55,648 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 03:30:55,648 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 03:30:55,648 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 03:30:55,648 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-27 03:30:55,649 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 03:30:55,650 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 53 [2020-10-27 03:30:55,651 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 03:30:55,652 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:30:55,656 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 03:30:55,656 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 03:30:55,656 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 03:30:55,656 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-27 03:30:55,657 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 03:30:55,657 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-27 03:30:55,657 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 03:30:55,657 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-27 03:30:55,657 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 03:30:55,692 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-27 03:30:55,692 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1894757696] [2020-10-27 03:30:55,693 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-27 03:30:55,693 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2020-10-27 03:30:55,694 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1705332796] [2020-10-27 03:30:55,697 INFO L461 AbstractCegarLoop]: Interpolant automaton has 10 states [2020-10-27 03:30:55,697 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-27 03:30:55,698 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2020-10-27 03:30:55,698 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=22, Invalid=68, Unknown=0, NotChecked=0, Total=90 [2020-10-27 03:30:55,699 INFO L87 Difference]: Start difference. First operand 275 states and 336 transitions. Second operand 10 states. [2020-10-27 03:30:56,288 WARN L193 SmtUtils]: Spent 346.00 ms on a formula simplification that was a NOOP. DAG size: 207 [2020-10-27 03:30:57,924 WARN L193 SmtUtils]: Spent 714.00 ms on a formula simplification. DAG size of input: 214 DAG size of output: 209 [2020-10-27 03:30:58,392 WARN L193 SmtUtils]: Spent 368.00 ms on a formula simplification that was a NOOP. DAG size: 209 [2020-10-27 03:30:58,805 WARN L193 SmtUtils]: Spent 358.00 ms on a formula simplification that was a NOOP. DAG size: 209 [2020-10-27 03:30:59,644 WARN L193 SmtUtils]: Spent 344.00 ms on a formula simplification that was a NOOP. DAG size: 213 [2020-10-27 03:31:01,985 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-27 03:31:01,985 INFO L93 Difference]: Finished difference Result 786 states and 1094 transitions. [2020-10-27 03:31:01,989 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2020-10-27 03:31:01,989 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 63 [2020-10-27 03:31:01,990 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-27 03:31:01,997 INFO L225 Difference]: With dead ends: 786 [2020-10-27 03:31:01,997 INFO L226 Difference]: Without dead ends: 539 [2020-10-27 03:31:02,006 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 45 GetRequests, 21 SyntacticMatches, 0 SemanticMatches, 24 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 115 ImplicationChecksByTransitivity, 2.8s TimeCoverageRelationStatistics Valid=170, Invalid=480, Unknown=0, NotChecked=0, Total=650 [2020-10-27 03:31:02,008 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 539 states. [2020-10-27 03:31:02,141 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 539 to 433. [2020-10-27 03:31:02,142 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 433 states. [2020-10-27 03:31:02,146 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 433 states to 433 states and 546 transitions. [2020-10-27 03:31:02,147 INFO L78 Accepts]: Start accepts. Automaton has 433 states and 546 transitions. Word has length 63 [2020-10-27 03:31:02,147 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-27 03:31:02,147 INFO L481 AbstractCegarLoop]: Abstraction has 433 states and 546 transitions. [2020-10-27 03:31:02,147 INFO L482 AbstractCegarLoop]: Interpolant automaton has 10 states. [2020-10-27 03:31:02,148 INFO L276 IsEmpty]: Start isEmpty. Operand 433 states and 546 transitions. [2020-10-27 03:31:02,152 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 91 [2020-10-27 03:31:02,152 INFO L414 BasicCegarLoop]: Found error trace [2020-10-27 03:31:02,152 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-27 03:31:02,152 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-10-27 03:31:02,153 INFO L429 AbstractCegarLoop]: === Iteration 3 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argErr1ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argErr0ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argtypeErr0ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argtypeErr1ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-27 03:31:02,153 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-27 03:31:02,153 INFO L82 PathProgramCache]: Analyzing trace with hash 1690533930, now seen corresponding path program 1 times [2020-10-27 03:31:02,153 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-27 03:31:02,154 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [750009230] [2020-10-27 03:31:02,154 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-27 03:31:02,184 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 03:31:02,208 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:31:02,244 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:31:04,152 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:31:07,211 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 03:31:07,211 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 134 [2020-10-27 03:31:07,212 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-10-27 03:31:07,212 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5025 [2020-10-27 03:31:07,212 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 03:31:07,212 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 11 [2020-10-27 03:31:07,212 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-27 03:31:07,212 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 113 [2020-10-27 03:31:07,213 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 03:31:07,633 WARN L193 SmtUtils]: Spent 304.00 ms on a formula simplification that was a NOOP. DAG size: 205 [2020-10-27 03:31:07,634 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-27 03:31:07,650 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 03:31:07,663 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:31:07,721 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 03:31:07,721 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 03:31:07,721 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 03:31:07,721 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 69 [2020-10-27 03:31:07,722 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 03:31:07,722 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 03:31:07,722 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 03:31:07,722 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-10-27 03:31:07,722 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 03:31:07,737 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-27 03:31:07,738 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 03:31:07,739 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:31:07,740 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 03:31:07,741 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-27 03:31:07,741 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 03:31:07,741 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 03:31:07,741 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 03:31:07,741 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 03:31:07,741 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 03:31:07,742 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-10-27 03:31:07,742 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 03:31:07,743 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-10-27 03:31:07,744 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 03:31:07,744 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:31:07,745 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 03:31:07,745 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-27 03:31:07,746 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 03:31:07,746 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 03:31:07,746 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 03:31:07,746 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 03:31:07,746 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 03:31:07,746 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-10-27 03:31:07,747 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 03:31:07,747 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-27 03:31:07,749 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 03:31:07,750 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:31:07,751 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 03:31:07,751 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 03:31:07,751 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 03:31:07,752 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-27 03:31:07,752 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 03:31:07,752 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 03:31:07,752 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 03:31:07,752 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-27 03:31:07,752 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 03:31:07,754 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-10-27 03:31:07,755 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 03:31:07,755 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:31:07,756 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 03:31:07,756 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-27 03:31:07,757 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 03:31:07,757 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 03:31:07,757 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 03:31:07,757 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 03:31:07,757 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 03:31:07,757 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-10-27 03:31:07,758 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 03:31:07,771 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2020-10-27 03:31:07,773 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 03:31:07,774 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:31:07,775 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 03:31:07,775 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 03:31:07,775 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 03:31:07,775 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 03:31:07,776 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 03:31:07,776 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 03:31:07,776 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 03:31:07,776 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-27 03:31:07,776 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 03:31:07,789 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2020-10-27 03:31:07,792 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 03:31:07,794 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:31:07,805 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:31:07,820 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 03:31:07,820 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 47 [2020-10-27 03:31:07,820 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-27 03:31:07,820 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 26 [2020-10-27 03:31:07,820 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 03:31:07,821 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 03:31:07,821 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 03:31:07,821 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 44 [2020-10-27 03:31:07,821 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 03:31:07,824 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-27 03:31:07,826 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 03:31:07,827 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:31:07,829 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:31:07,849 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 03:31:07,849 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 40 [2020-10-27 03:31:07,849 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-27 03:31:07,849 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 22 [2020-10-27 03:31:07,849 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 03:31:07,850 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 03:31:07,850 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 03:31:07,850 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 03:31:07,850 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 03:31:07,853 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-27 03:31:07,855 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 03:31:07,856 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:31:07,857 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:31:07,881 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 03:31:07,881 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 33 [2020-10-27 03:31:07,881 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-27 03:31:07,882 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 25 [2020-10-27 03:31:07,882 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 03:31:07,882 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 03:31:07,882 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 03:31:07,882 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 03:31:07,882 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 03:31:07,885 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-27 03:31:07,886 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 03:31:07,887 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:31:07,889 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 03:31:07,889 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 18 [2020-10-27 03:31:07,889 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 03:31:07,890 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-27 03:31:07,890 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 03:31:07,890 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 03:31:07,890 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 03:31:07,890 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 03:31:07,890 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 03:31:07,892 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 03:31:07,893 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 03:31:07,893 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:31:07,894 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 03:31:07,894 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 03:31:07,894 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 03:31:07,895 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 03:31:07,895 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 03:31:07,895 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 03:31:07,895 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 03:31:07,895 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 03:31:07,895 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 03:31:07,897 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2020-10-27 03:31:07,897 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 03:31:07,898 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:31:07,899 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 03:31:07,899 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 03:31:07,899 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 03:31:07,899 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-27 03:31:07,899 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 03:31:07,900 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 03:31:07,900 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 03:31:07,900 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 03:31:07,900 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 03:31:07,903 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 74 [2020-10-27 03:31:07,904 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 03:31:07,905 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:31:07,907 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 03:31:07,907 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 03:31:07,908 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 03:31:07,908 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-27 03:31:07,908 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 03:31:07,908 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-27 03:31:07,908 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 03:31:07,908 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-27 03:31:07,909 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 03:31:07,922 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2020-10-27 03:31:07,924 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 03:31:07,925 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:31:07,929 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 03:31:07,929 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 03:31:07,929 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 03:31:07,930 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-27 03:31:07,930 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 03:31:07,930 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 03:31:07,930 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-27 03:31:07,930 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 03:31:07,930 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 03:31:07,951 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-27 03:31:07,952 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [750009230] [2020-10-27 03:31:07,953 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-27 03:31:07,953 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2020-10-27 03:31:07,953 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1164634785] [2020-10-27 03:31:07,954 INFO L461 AbstractCegarLoop]: Interpolant automaton has 9 states [2020-10-27 03:31:07,954 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-27 03:31:07,954 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2020-10-27 03:31:07,955 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=55, Unknown=0, NotChecked=0, Total=72 [2020-10-27 03:31:07,955 INFO L87 Difference]: Start difference. First operand 433 states and 546 transitions. Second operand 9 states. [2020-10-27 03:31:08,600 WARN L193 SmtUtils]: Spent 351.00 ms on a formula simplification that was a NOOP. DAG size: 207 [2020-10-27 03:31:09,775 WARN L193 SmtUtils]: Spent 359.00 ms on a formula simplification that was a NOOP. DAG size: 209 [2020-10-27 03:31:10,236 WARN L193 SmtUtils]: Spent 376.00 ms on a formula simplification that was a NOOP. DAG size: 209 [2020-10-27 03:31:10,662 WARN L193 SmtUtils]: Spent 372.00 ms on a formula simplification that was a NOOP. DAG size: 212 [2020-10-27 03:31:11,057 WARN L193 SmtUtils]: Spent 357.00 ms on a formula simplification that was a NOOP. DAG size: 207 [2020-10-27 03:31:14,140 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-27 03:31:14,140 INFO L93 Difference]: Finished difference Result 1426 states and 1999 transitions. [2020-10-27 03:31:14,141 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2020-10-27 03:31:14,141 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 90 [2020-10-27 03:31:14,141 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-27 03:31:14,150 INFO L225 Difference]: With dead ends: 1426 [2020-10-27 03:31:14,150 INFO L226 Difference]: Without dead ends: 958 [2020-10-27 03:31:14,154 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 49 GetRequests, 31 SyntacticMatches, 0 SemanticMatches, 18 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 52 ImplicationChecksByTransitivity, 2.3s TimeCoverageRelationStatistics Valid=105, Invalid=275, Unknown=0, NotChecked=0, Total=380 [2020-10-27 03:31:14,156 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 958 states. [2020-10-27 03:31:14,350 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 958 to 778. [2020-10-27 03:31:14,350 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 778 states. [2020-10-27 03:31:14,356 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 778 states to 778 states and 971 transitions. [2020-10-27 03:31:14,357 INFO L78 Accepts]: Start accepts. Automaton has 778 states and 971 transitions. Word has length 90 [2020-10-27 03:31:14,358 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-27 03:31:14,358 INFO L481 AbstractCegarLoop]: Abstraction has 778 states and 971 transitions. [2020-10-27 03:31:14,358 INFO L482 AbstractCegarLoop]: Interpolant automaton has 9 states. [2020-10-27 03:31:14,358 INFO L276 IsEmpty]: Start isEmpty. Operand 778 states and 971 transitions. [2020-10-27 03:31:14,361 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 95 [2020-10-27 03:31:14,362 INFO L414 BasicCegarLoop]: Found error trace [2020-10-27 03:31:14,362 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, 1, 1, 1] [2020-10-27 03:31:14,362 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-10-27 03:31:14,362 INFO L429 AbstractCegarLoop]: === Iteration 4 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argErr1ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argErr0ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argtypeErr0ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argtypeErr1ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-27 03:31:14,363 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-27 03:31:14,363 INFO L82 PathProgramCache]: Analyzing trace with hash 604674694, now seen corresponding path program 1 times [2020-10-27 03:31:14,363 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-27 03:31:14,364 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1385761249] [2020-10-27 03:31:14,364 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-27 03:31:14,393 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 03:31:14,411 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:31:14,635 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:31:15,973 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 03:31:15,973 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 140 [2020-10-27 03:31:15,973 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-27 03:31:15,973 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1578 [2020-10-27 03:31:15,973 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 03:31:15,974 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 8 [2020-10-27 03:31:15,974 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 41 [2020-10-27 03:31:15,974 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 92 [2020-10-27 03:31:15,974 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 03:31:16,342 WARN L193 SmtUtils]: Spent 322.00 ms on a formula simplification that was a NOOP. DAG size: 205 [2020-10-27 03:31:16,343 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-27 03:31:16,350 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 03:31:16,353 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:31:16,374 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 03:31:16,374 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 03:31:16,375 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 03:31:16,375 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 23 [2020-10-27 03:31:16,375 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 03:31:16,375 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 03:31:16,375 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 03:31:16,375 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 03:31:16,375 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 03:31:16,386 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-27 03:31:16,387 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 03:31:16,388 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:31:16,388 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 03:31:16,388 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-27 03:31:16,388 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 03:31:16,389 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-27 03:31:16,389 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 03:31:16,389 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 03:31:16,389 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 03:31:16,389 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 03:31:16,389 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 03:31:16,390 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-10-27 03:31:16,391 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 03:31:16,391 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:31:16,392 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 03:31:16,392 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-27 03:31:16,392 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 03:31:16,392 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-27 03:31:16,392 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 03:31:16,393 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 03:31:16,393 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 03:31:16,393 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 03:31:16,393 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 03:31:16,394 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-27 03:31:16,395 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 03:31:16,395 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:31:16,396 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 03:31:16,396 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 03:31:16,396 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 03:31:16,397 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 03:31:16,397 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 03:31:16,397 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 03:31:16,397 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 03:31:16,397 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 03:31:16,397 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 03:31:16,398 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-10-27 03:31:16,399 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 03:31:16,399 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:31:16,400 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 03:31:16,400 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-27 03:31:16,400 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 03:31:16,400 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-27 03:31:16,400 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 03:31:16,400 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 03:31:16,400 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 03:31:16,401 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 03:31:16,401 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 03:31:16,415 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2020-10-27 03:31:16,416 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 03:31:16,417 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:31:16,418 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 03:31:16,418 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 03:31:16,418 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 03:31:16,418 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 03:31:16,418 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 03:31:16,419 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 03:31:16,419 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 03:31:16,419 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-10-27 03:31:16,419 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 03:31:16,428 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2020-10-27 03:31:16,430 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 03:31:16,431 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:31:16,432 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 03:31:16,432 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 03:31:16,432 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 03:31:16,432 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 03:31:16,432 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 03:31:16,433 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 03:31:16,433 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 03:31:16,433 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-27 03:31:16,433 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 03:31:16,444 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2020-10-27 03:31:16,447 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 03:31:16,449 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:31:16,460 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:31:16,474 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 03:31:16,474 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 47 [2020-10-27 03:31:16,474 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-27 03:31:16,475 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 26 [2020-10-27 03:31:16,475 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 03:31:16,475 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 03:31:16,475 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 03:31:16,475 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 44 [2020-10-27 03:31:16,475 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 03:31:16,478 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-27 03:31:16,479 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 03:31:16,480 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:31:16,482 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:31:16,499 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 03:31:16,499 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 40 [2020-10-27 03:31:16,499 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-27 03:31:16,500 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 19 [2020-10-27 03:31:16,500 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 03:31:16,500 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 03:31:16,500 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 03:31:16,500 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 03:31:16,500 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 03:31:16,503 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-27 03:31:16,504 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 03:31:16,505 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:31:16,507 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:31:16,523 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 03:31:16,524 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 33 [2020-10-27 03:31:16,524 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-27 03:31:16,524 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 18 [2020-10-27 03:31:16,524 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 03:31:16,524 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 03:31:16,524 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 03:31:16,524 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 03:31:16,525 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 03:31:16,531 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-27 03:31:16,532 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 03:31:16,532 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:31:16,534 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 03:31:16,535 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 18 [2020-10-27 03:31:16,535 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 03:31:16,535 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-27 03:31:16,535 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 03:31:16,535 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 03:31:16,535 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 03:31:16,535 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 03:31:16,536 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 03:31:16,537 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 03:31:16,538 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 03:31:16,538 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:31:16,539 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 03:31:16,539 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 03:31:16,539 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 03:31:16,540 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 03:31:16,540 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 03:31:16,540 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 03:31:16,540 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 03:31:16,540 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 03:31:16,540 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 03:31:16,542 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2020-10-27 03:31:16,542 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 03:31:16,543 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:31:16,544 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 03:31:16,544 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 03:31:16,544 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 03:31:16,544 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-27 03:31:16,544 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 03:31:16,544 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 03:31:16,544 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 03:31:16,545 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 03:31:16,545 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 03:31:16,547 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 78 [2020-10-27 03:31:16,548 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 03:31:16,549 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:31:16,550 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 03:31:16,550 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 03:31:16,551 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 03:31:16,551 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 03:31:16,551 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 03:31:16,551 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 03:31:16,551 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 03:31:16,551 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-27 03:31:16,551 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 03:31:16,552 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2020-10-27 03:31:16,553 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 03:31:16,554 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:31:16,555 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 03:31:16,555 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 03:31:16,555 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 03:31:16,555 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 03:31:16,556 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 03:31:16,556 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 03:31:16,556 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 03:31:16,556 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-27 03:31:16,556 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 03:31:16,575 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-27 03:31:16,576 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1385761249] [2020-10-27 03:31:16,576 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-27 03:31:16,576 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2020-10-27 03:31:16,576 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [851817921] [2020-10-27 03:31:16,577 INFO L461 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-10-27 03:31:16,577 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-27 03:31:16,577 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-10-27 03:31:16,577 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2020-10-27 03:31:16,578 INFO L87 Difference]: Start difference. First operand 778 states and 971 transitions. Second operand 7 states. [2020-10-27 03:31:17,220 WARN L193 SmtUtils]: Spent 354.00 ms on a formula simplification that was a NOOP. DAG size: 207 [2020-10-27 03:31:21,440 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-27 03:31:21,441 INFO L93 Difference]: Finished difference Result 1917 states and 2726 transitions. [2020-10-27 03:31:21,441 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2020-10-27 03:31:21,442 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 94 [2020-10-27 03:31:21,442 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-27 03:31:21,458 INFO L225 Difference]: With dead ends: 1917 [2020-10-27 03:31:21,458 INFO L226 Difference]: Without dead ends: 1913 [2020-10-27 03:31:21,460 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 52 GetRequests, 36 SyntacticMatches, 0 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 57 ImplicationChecksByTransitivity, 0.8s TimeCoverageRelationStatistics Valid=100, Invalid=206, Unknown=0, NotChecked=0, Total=306 [2020-10-27 03:31:21,463 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1913 states. [2020-10-27 03:31:21,814 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1913 to 1401. [2020-10-27 03:31:21,815 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1401 states. [2020-10-27 03:31:21,824 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1401 states to 1401 states and 1762 transitions. [2020-10-27 03:31:21,825 INFO L78 Accepts]: Start accepts. Automaton has 1401 states and 1762 transitions. Word has length 94 [2020-10-27 03:31:21,825 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-27 03:31:21,825 INFO L481 AbstractCegarLoop]: Abstraction has 1401 states and 1762 transitions. [2020-10-27 03:31:21,826 INFO L482 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-10-27 03:31:21,826 INFO L276 IsEmpty]: Start isEmpty. Operand 1401 states and 1762 transitions. [2020-10-27 03:31:21,832 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 131 [2020-10-27 03:31:21,832 INFO L414 BasicCegarLoop]: Found error trace [2020-10-27 03:31:21,833 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-27 03:31:21,833 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2020-10-27 03:31:21,833 INFO L429 AbstractCegarLoop]: === Iteration 5 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argErr1ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argErr0ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argtypeErr0ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argtypeErr1ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-27 03:31:21,834 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-27 03:31:21,834 INFO L82 PathProgramCache]: Analyzing trace with hash 785590991, now seen corresponding path program 1 times [2020-10-27 03:31:21,834 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-27 03:31:21,834 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1198898021] [2020-10-27 03:31:21,834 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-27 03:31:21,859 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 03:31:21,877 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:31:21,907 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:31:21,943 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:31:21,977 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:31:22,521 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:31:23,578 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:31:26,873 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 03:31:26,873 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 190 [2020-10-27 03:31:26,874 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 6 [2020-10-27 03:31:26,874 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5011 [2020-10-27 03:31:26,874 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 03:31:26,874 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 16 [2020-10-27 03:31:26,874 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-27 03:31:26,874 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 154 [2020-10-27 03:31:26,874 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 03:31:27,353 WARN L193 SmtUtils]: Spent 436.00 ms on a formula simplification that was a NOOP. DAG size: 205 [2020-10-27 03:31:27,354 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-27 03:31:27,372 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 03:31:27,386 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:31:27,457 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 03:31:27,457 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 03:31:27,457 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 03:31:27,458 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 83 [2020-10-27 03:31:27,458 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 03:31:27,458 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 03:31:27,458 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 03:31:27,458 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-10-27 03:31:27,459 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 03:31:27,478 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-27 03:31:27,483 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 03:31:27,485 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:31:27,486 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 03:31:27,486 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-27 03:31:27,486 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 03:31:27,487 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-27 03:31:27,487 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 03:31:27,487 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 03:31:27,487 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 03:31:27,488 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-10-27 03:31:27,488 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 03:31:27,489 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-10-27 03:31:27,490 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 03:31:27,491 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:31:27,492 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 03:31:27,492 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-27 03:31:27,492 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 03:31:27,493 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 03:31:27,493 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 03:31:27,493 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 03:31:27,493 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 03:31:27,494 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-10-27 03:31:27,494 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 03:31:27,495 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-27 03:31:27,496 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 03:31:27,497 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:31:27,499 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 03:31:27,499 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 03:31:27,499 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 03:31:27,500 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-27 03:31:27,500 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 03:31:27,500 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 03:31:27,500 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 03:31:27,501 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-27 03:31:27,501 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 03:31:27,502 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-10-27 03:31:27,503 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 03:31:27,504 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:31:27,505 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 03:31:27,505 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-27 03:31:27,505 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 03:31:27,506 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 03:31:27,506 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 03:31:27,506 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 03:31:27,506 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 03:31:27,507 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-10-27 03:31:27,507 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 03:31:27,520 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2020-10-27 03:31:27,521 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 03:31:27,522 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:31:27,523 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 03:31:27,523 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 03:31:27,524 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 03:31:27,524 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 03:31:27,524 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 03:31:27,524 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 03:31:27,524 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 03:31:27,524 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-27 03:31:27,524 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 03:31:27,538 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2020-10-27 03:31:27,540 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 03:31:27,542 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:31:27,544 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 03:31:27,544 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 03:31:27,544 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 03:31:27,544 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-27 03:31:27,544 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 03:31:27,545 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 03:31:27,545 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 03:31:27,545 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-27 03:31:27,545 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 03:31:27,568 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2020-10-27 03:31:27,570 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 03:31:27,571 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:31:27,573 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 03:31:27,573 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 03:31:27,573 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 03:31:27,574 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-27 03:31:27,574 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 03:31:27,574 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 03:31:27,574 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 03:31:27,574 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-27 03:31:27,575 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 03:31:27,603 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2020-10-27 03:31:27,611 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 03:31:27,615 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:31:27,637 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:31:27,704 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 03:31:27,705 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 77 [2020-10-27 03:31:27,705 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-27 03:31:27,705 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 91 [2020-10-27 03:31:27,705 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 03:31:27,705 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-27 03:31:27,705 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-27 03:31:27,705 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 77 [2020-10-27 03:31:27,706 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 03:31:27,737 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-27 03:31:27,741 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 03:31:27,743 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:31:27,746 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:31:27,777 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 03:31:27,778 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 47 [2020-10-27 03:31:27,778 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-27 03:31:27,778 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 35 [2020-10-27 03:31:27,778 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 03:31:27,778 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 03:31:27,778 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 03:31:27,779 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 44 [2020-10-27 03:31:27,779 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 03:31:27,781 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-27 03:31:27,783 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 03:31:27,785 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:31:27,787 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:31:27,802 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 03:31:27,803 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 40 [2020-10-27 03:31:27,803 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-27 03:31:27,803 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 19 [2020-10-27 03:31:27,803 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 03:31:27,803 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 03:31:27,804 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 03:31:27,804 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 03:31:27,804 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 03:31:27,807 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-27 03:31:27,808 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 03:31:27,810 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:31:27,811 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:31:27,825 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 03:31:27,826 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 33 [2020-10-27 03:31:27,826 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-27 03:31:27,826 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 16 [2020-10-27 03:31:27,826 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 03:31:27,826 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 03:31:27,827 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 03:31:27,827 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 03:31:27,827 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 03:31:27,829 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-27 03:31:27,831 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 03:31:27,832 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:31:27,834 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 03:31:27,834 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 18 [2020-10-27 03:31:27,834 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 03:31:27,834 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-27 03:31:27,834 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 03:31:27,835 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 03:31:27,835 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 03:31:27,835 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 03:31:27,835 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 03:31:27,838 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 03:31:27,839 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 03:31:27,839 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:31:27,840 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 03:31:27,840 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 03:31:27,840 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 03:31:27,841 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 03:31:27,841 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 03:31:27,841 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 03:31:27,841 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 03:31:27,841 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 03:31:27,841 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 03:31:27,842 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2020-10-27 03:31:27,843 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 03:31:27,845 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:31:27,846 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 03:31:27,846 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 03:31:27,847 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 03:31:27,847 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-27 03:31:27,847 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 03:31:27,847 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 03:31:27,847 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 03:31:27,847 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 03:31:27,848 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 03:31:27,850 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2020-10-27 03:31:27,853 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 03:31:27,854 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:31:27,858 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 03:31:27,859 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 25 [2020-10-27 03:31:27,859 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 03:31:27,859 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-27 03:31:27,859 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 03:31:27,859 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 03:31:27,859 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 03:31:27,859 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 22 [2020-10-27 03:31:27,859 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 03:31:27,862 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 03:31:27,862 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 03:31:27,863 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:31:27,863 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 03:31:27,864 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 03:31:27,864 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 03:31:27,864 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-27 03:31:27,864 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 03:31:27,864 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 03:31:27,864 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 03:31:27,864 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 03:31:27,865 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 03:31:27,866 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2020-10-27 03:31:27,867 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 03:31:27,868 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:31:27,868 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 03:31:27,869 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 03:31:27,869 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 03:31:27,869 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 03:31:27,869 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 03:31:27,869 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 03:31:27,869 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 03:31:27,869 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 03:31:27,870 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 03:31:27,885 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 107 [2020-10-27 03:31:27,886 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 03:31:27,887 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:31:27,890 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 03:31:27,890 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 03:31:27,891 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 03:31:27,891 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-27 03:31:27,891 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 03:31:27,891 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-27 03:31:27,891 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-27 03:31:27,891 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-10-27 03:31:27,891 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 03:31:27,909 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 114 [2020-10-27 03:31:27,910 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 03:31:27,911 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:31:27,912 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 03:31:27,912 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 03:31:27,912 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 03:31:27,912 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 03:31:27,912 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 03:31:27,913 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 03:31:27,913 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-27 03:31:27,913 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 03:31:27,913 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 03:31:27,914 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 120 [2020-10-27 03:31:27,915 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 03:31:27,916 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:31:27,917 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 03:31:27,917 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 03:31:27,917 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 03:31:27,917 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 03:31:27,917 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 03:31:27,917 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 03:31:27,917 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-27 03:31:27,918 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 03:31:27,918 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 03:31:27,948 INFO L134 CoverageAnalysis]: Checked inductivity of 19 backedges. 10 proven. 1 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2020-10-27 03:31:27,948 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1198898021] [2020-10-27 03:31:27,949 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-27 03:31:27,949 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [11] total 11 [2020-10-27 03:31:27,949 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [983103771] [2020-10-27 03:31:27,950 INFO L461 AbstractCegarLoop]: Interpolant automaton has 11 states [2020-10-27 03:31:27,950 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-27 03:31:27,950 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2020-10-27 03:31:27,950 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=29, Invalid=81, Unknown=0, NotChecked=0, Total=110 [2020-10-27 03:31:27,951 INFO L87 Difference]: Start difference. First operand 1401 states and 1762 transitions. Second operand 11 states. [2020-10-27 03:31:28,941 WARN L193 SmtUtils]: Spent 354.00 ms on a formula simplification that was a NOOP. DAG size: 207 [2020-10-27 03:31:32,408 WARN L193 SmtUtils]: Spent 354.00 ms on a formula simplification that was a NOOP. DAG size: 207 [2020-10-27 03:31:35,918 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-27 03:31:35,919 INFO L93 Difference]: Finished difference Result 5389 states and 7675 transitions. [2020-10-27 03:31:35,922 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 34 states. [2020-10-27 03:31:35,922 INFO L78 Accepts]: Start accepts. Automaton has 11 states. Word has length 130 [2020-10-27 03:31:35,923 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-27 03:31:35,951 INFO L225 Difference]: With dead ends: 5389 [2020-10-27 03:31:35,951 INFO L226 Difference]: Without dead ends: 4016 [2020-10-27 03:31:35,961 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 88 GetRequests, 51 SyntacticMatches, 1 SemanticMatches, 36 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 378 ImplicationChecksByTransitivity, 1.7s TimeCoverageRelationStatistics Valid=322, Invalid=1084, Unknown=0, NotChecked=0, Total=1406 [2020-10-27 03:31:35,965 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4016 states. [2020-10-27 03:31:36,632 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4016 to 3407. [2020-10-27 03:31:36,632 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3407 states. [2020-10-27 03:31:36,650 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3407 states to 3407 states and 4273 transitions. [2020-10-27 03:31:36,651 INFO L78 Accepts]: Start accepts. Automaton has 3407 states and 4273 transitions. Word has length 130 [2020-10-27 03:31:36,652 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-27 03:31:36,652 INFO L481 AbstractCegarLoop]: Abstraction has 3407 states and 4273 transitions. [2020-10-27 03:31:36,652 INFO L482 AbstractCegarLoop]: Interpolant automaton has 11 states. [2020-10-27 03:31:36,652 INFO L276 IsEmpty]: Start isEmpty. Operand 3407 states and 4273 transitions. [2020-10-27 03:31:36,662 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 131 [2020-10-27 03:31:36,663 INFO L414 BasicCegarLoop]: Found error trace [2020-10-27 03:31:36,663 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-27 03:31:36,663 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2020-10-27 03:31:36,664 INFO L429 AbstractCegarLoop]: === Iteration 6 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argErr1ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argErr0ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argtypeErr0ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argtypeErr1ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-27 03:31:36,664 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-27 03:31:36,664 INFO L82 PathProgramCache]: Analyzing trace with hash 566736273, now seen corresponding path program 1 times [2020-10-27 03:31:36,665 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-27 03:31:36,665 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [459658320] [2020-10-27 03:31:36,665 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-27 03:31:36,689 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 03:31:36,707 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:31:36,737 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:31:36,769 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:31:36,799 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:31:37,362 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:31:38,236 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 03:31:38,236 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 190 [2020-10-27 03:31:38,236 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 5 [2020-10-27 03:31:38,236 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1544 [2020-10-27 03:31:38,236 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 03:31:38,236 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 03:31:38,236 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 47 [2020-10-27 03:31:38,237 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 100 [2020-10-27 03:31:38,237 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 03:31:38,635 WARN L193 SmtUtils]: Spent 352.00 ms on a formula simplification that was a NOOP. DAG size: 205 [2020-10-27 03:31:38,636 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-27 03:31:38,643 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 03:31:38,646 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:31:38,672 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 03:31:38,672 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 03:31:38,672 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 03:31:38,672 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 28 [2020-10-27 03:31:38,673 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 03:31:38,673 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 03:31:38,673 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 03:31:38,673 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 03:31:38,673 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 03:31:38,685 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-27 03:31:38,686 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 03:31:38,687 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:31:38,688 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 03:31:38,688 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-27 03:31:38,688 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 03:31:38,688 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-27 03:31:38,688 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 03:31:38,689 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 03:31:38,689 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 03:31:38,689 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 03:31:38,689 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 03:31:38,690 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-10-27 03:31:38,691 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 03:31:38,691 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:31:38,692 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 03:31:38,692 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-27 03:31:38,692 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 03:31:38,692 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-27 03:31:38,692 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 03:31:38,692 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 03:31:38,693 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 03:31:38,693 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 03:31:38,693 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 03:31:38,694 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-27 03:31:38,694 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 03:31:38,695 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:31:38,695 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 03:31:38,696 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 03:31:38,696 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 03:31:38,696 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-27 03:31:38,696 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 03:31:38,696 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 03:31:38,696 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 03:31:38,697 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 03:31:38,697 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 03:31:38,698 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-10-27 03:31:38,700 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 03:31:38,700 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:31:38,701 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 03:31:38,701 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-27 03:31:38,701 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 03:31:38,702 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-27 03:31:38,702 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 03:31:38,702 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 03:31:38,702 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 03:31:38,702 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 03:31:38,703 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 03:31:38,714 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2020-10-27 03:31:38,715 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 03:31:38,716 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:31:38,717 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 03:31:38,717 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 03:31:38,717 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 03:31:38,717 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-27 03:31:38,717 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 03:31:38,718 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 03:31:38,718 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 03:31:38,719 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 03:31:38,719 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-27 03:31:38,729 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2020-10-27 03:31:38,730 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 03:31:38,732 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:31:38,733 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 03:31:38,734 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 03:31:38,734 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 03:31:38,734 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-27 03:31:38,734 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 03:31:38,734 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 03:31:38,735 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 03:31:38,735 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-27 03:31:38,735 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 03:31:38,751 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2020-10-27 03:31:38,753 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 03:31:38,754 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:31:38,757 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 03:31:38,757 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 03:31:38,757 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 03:31:38,757 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-27 03:31:38,757 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 03:31:38,757 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 03:31:38,758 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 03:31:38,758 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-27 03:31:38,758 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 03:31:38,782 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2020-10-27 03:31:38,787 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 03:31:38,791 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:31:38,810 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:31:38,843 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 03:31:38,844 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 77 [2020-10-27 03:31:38,844 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-27 03:31:38,844 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 55 [2020-10-27 03:31:38,844 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 03:31:38,844 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 03:31:38,845 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 03:31:38,845 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 74 [2020-10-27 03:31:38,845 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 03:31:38,863 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-27 03:31:38,864 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 03:31:38,866 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:31:38,868 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:31:38,890 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 03:31:38,890 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 47 [2020-10-27 03:31:38,890 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-27 03:31:38,891 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 24 [2020-10-27 03:31:38,891 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 03:31:38,891 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 03:31:38,891 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 03:31:38,891 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 03:31:38,891 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 03:31:38,895 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-27 03:31:38,898 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 03:31:38,901 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:31:38,902 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:31:38,919 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 03:31:38,919 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 40 [2020-10-27 03:31:38,919 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-27 03:31:38,920 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 20 [2020-10-27 03:31:38,920 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 03:31:38,920 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 03:31:38,920 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 03:31:38,920 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 03:31:38,922 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 2 [2020-10-27 03:31:38,924 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-27 03:31:38,926 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 03:31:38,927 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:31:38,928 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:31:38,943 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 03:31:38,943 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 33 [2020-10-27 03:31:38,944 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-27 03:31:38,944 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 16 [2020-10-27 03:31:38,944 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 03:31:38,944 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 03:31:38,944 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 03:31:38,944 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 03:31:38,944 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 03:31:38,946 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-27 03:31:38,948 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 03:31:38,949 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:31:38,950 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 03:31:38,951 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 18 [2020-10-27 03:31:38,951 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 03:31:38,951 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 03:31:38,951 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 03:31:38,951 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 03:31:38,951 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 03:31:38,951 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 03:31:38,952 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 03:31:38,953 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 03:31:38,953 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 03:31:38,954 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:31:38,955 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 03:31:38,955 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 03:31:38,955 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 03:31:38,955 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-27 03:31:38,955 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 03:31:38,955 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 03:31:38,956 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 03:31:38,956 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 03:31:38,956 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 03:31:38,957 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2020-10-27 03:31:38,959 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 03:31:38,960 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:31:38,960 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 03:31:38,960 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 03:31:38,961 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 03:31:38,961 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-27 03:31:38,961 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 03:31:38,961 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 03:31:38,961 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 03:31:38,961 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 03:31:38,962 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 03:31:38,964 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2020-10-27 03:31:38,965 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 03:31:38,966 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:31:38,968 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 03:31:38,968 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 25 [2020-10-27 03:31:38,968 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 03:31:38,968 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-27 03:31:38,968 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 03:31:38,968 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 03:31:38,969 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 03:31:38,969 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 03:31:38,969 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 03:31:38,970 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 03:31:38,971 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 03:31:38,971 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:31:38,972 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 03:31:38,972 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 03:31:38,972 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 03:31:38,972 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-27 03:31:38,973 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 03:31:38,973 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 03:31:38,973 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 03:31:38,973 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 03:31:38,973 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 03:31:38,974 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2020-10-27 03:31:38,975 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 03:31:38,975 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:31:38,976 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 03:31:38,976 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 03:31:38,976 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 03:31:38,976 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-27 03:31:38,976 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 03:31:38,976 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 03:31:38,977 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 03:31:38,977 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 03:31:38,977 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 03:31:38,992 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 107 [2020-10-27 03:31:38,993 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 03:31:38,993 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:31:38,995 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 03:31:38,995 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 03:31:38,995 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 03:31:38,996 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-27 03:31:38,996 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 03:31:38,996 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 03:31:38,996 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-27 03:31:38,996 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 03:31:38,996 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 03:31:38,997 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 114 [2020-10-27 03:31:38,998 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 03:31:38,998 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:31:39,001 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 03:31:39,001 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 03:31:39,001 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 03:31:39,001 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-27 03:31:39,001 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 03:31:39,001 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 03:31:39,001 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-27 03:31:39,001 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 03:31:39,002 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 03:31:39,004 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 120 [2020-10-27 03:31:39,004 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 03:31:39,005 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:31:39,006 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 03:31:39,006 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 03:31:39,006 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 03:31:39,006 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-27 03:31:39,006 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 03:31:39,006 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 03:31:39,006 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-27 03:31:39,007 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 03:31:39,007 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 03:31:39,029 INFO L134 CoverageAnalysis]: Checked inductivity of 19 backedges. 11 proven. 0 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2020-10-27 03:31:39,030 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [459658320] [2020-10-27 03:31:39,031 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-27 03:31:39,031 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2020-10-27 03:31:39,031 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [548272305] [2020-10-27 03:31:39,032 INFO L461 AbstractCegarLoop]: Interpolant automaton has 10 states [2020-10-27 03:31:39,033 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-27 03:31:39,033 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2020-10-27 03:31:39,033 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=27, Invalid=63, Unknown=0, NotChecked=0, Total=90 [2020-10-27 03:31:39,034 INFO L87 Difference]: Start difference. First operand 3407 states and 4273 transitions. Second operand 10 states. [2020-10-27 03:31:39,811 WARN L193 SmtUtils]: Spent 348.00 ms on a formula simplification that was a NOOP. DAG size: 208 [2020-10-27 03:31:43,080 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-27 03:31:43,080 INFO L93 Difference]: Finished difference Result 5323 states and 6688 transitions. [2020-10-27 03:31:43,081 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 32 states. [2020-10-27 03:31:43,081 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 130 [2020-10-27 03:31:43,082 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-27 03:31:43,109 INFO L225 Difference]: With dead ends: 5323 [2020-10-27 03:31:43,109 INFO L226 Difference]: Without dead ends: 3656 [2020-10-27 03:31:43,118 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 76 GetRequests, 41 SyntacticMatches, 0 SemanticMatches, 35 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 376 ImplicationChecksByTransitivity, 1.2s TimeCoverageRelationStatistics Valid=312, Invalid=1020, Unknown=0, NotChecked=0, Total=1332 [2020-10-27 03:31:43,123 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3656 states. [2020-10-27 03:31:43,832 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3656 to 3156. [2020-10-27 03:31:43,832 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3156 states. [2020-10-27 03:31:43,853 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3156 states to 3156 states and 3751 transitions. [2020-10-27 03:31:43,855 INFO L78 Accepts]: Start accepts. Automaton has 3156 states and 3751 transitions. Word has length 130 [2020-10-27 03:31:43,857 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-27 03:31:43,857 INFO L481 AbstractCegarLoop]: Abstraction has 3156 states and 3751 transitions. [2020-10-27 03:31:43,857 INFO L482 AbstractCegarLoop]: Interpolant automaton has 10 states. [2020-10-27 03:31:43,857 INFO L276 IsEmpty]: Start isEmpty. Operand 3156 states and 3751 transitions. [2020-10-27 03:31:43,867 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 135 [2020-10-27 03:31:43,867 INFO L414 BasicCegarLoop]: Found error trace [2020-10-27 03:31:43,868 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-27 03:31:43,868 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2020-10-27 03:31:43,868 INFO L429 AbstractCegarLoop]: === Iteration 7 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argErr1ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argErr0ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argtypeErr0ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argtypeErr1ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-27 03:31:43,869 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-27 03:31:43,869 INFO L82 PathProgramCache]: Analyzing trace with hash -1957833330, now seen corresponding path program 1 times [2020-10-27 03:31:43,870 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-27 03:31:43,870 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1223294787] [2020-10-27 03:31:43,870 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-27 03:31:43,895 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 03:31:43,911 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:31:43,933 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:31:44,230 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:31:44,608 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 03:31:44,608 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 192 [2020-10-27 03:31:44,608 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-10-27 03:31:44,608 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 711 [2020-10-27 03:31:44,608 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 03:31:44,608 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 03:31:44,608 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 67 [2020-10-27 03:31:44,608 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-10-27 03:31:44,608 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 03:31:44,984 WARN L193 SmtUtils]: Spent 340.00 ms on a formula simplification that was a NOOP. DAG size: 205 [2020-10-27 03:31:44,985 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-27 03:31:44,991 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 03:31:44,993 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:31:45,011 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 03:31:45,012 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 03:31:45,012 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 03:31:45,012 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 19 [2020-10-27 03:31:45,012 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 03:31:45,012 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 03:31:45,012 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 03:31:45,012 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 03:31:45,013 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 03:31:45,022 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-27 03:31:45,023 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 03:31:45,023 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:31:45,024 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 03:31:45,024 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-27 03:31:45,024 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 03:31:45,024 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-27 03:31:45,024 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 03:31:45,024 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 03:31:45,024 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 03:31:45,025 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 03:31:45,025 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 03:31:45,025 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-10-27 03:31:45,026 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 03:31:45,026 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:31:45,027 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 03:31:45,027 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-27 03:31:45,027 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 03:31:45,027 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-27 03:31:45,027 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 03:31:45,027 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 03:31:45,027 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 03:31:45,028 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 03:31:45,028 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 03:31:45,028 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-27 03:31:45,029 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 03:31:45,029 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:31:45,030 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 03:31:45,030 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 03:31:45,030 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 03:31:45,030 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-27 03:31:45,030 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 03:31:45,030 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 03:31:45,031 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 03:31:45,031 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 03:31:45,031 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 03:31:45,031 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-10-27 03:31:45,032 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 03:31:45,032 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:31:45,033 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 03:31:45,033 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-27 03:31:45,033 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 03:31:45,033 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-27 03:31:45,033 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 03:31:45,033 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 03:31:45,033 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 03:31:45,034 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 03:31:45,034 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 03:31:45,041 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2020-10-27 03:31:45,042 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 03:31:45,042 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:31:45,043 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 03:31:45,043 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 03:31:45,043 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 03:31:45,043 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-27 03:31:45,043 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 03:31:45,044 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 03:31:45,044 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 03:31:45,044 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 03:31:45,044 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 03:31:45,052 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2020-10-27 03:31:45,053 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 03:31:45,054 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:31:45,054 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 03:31:45,054 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 03:31:45,055 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 03:31:45,055 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-27 03:31:45,055 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 03:31:45,055 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 03:31:45,055 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 03:31:45,055 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 03:31:45,055 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 03:31:45,068 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2020-10-27 03:31:45,069 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 03:31:45,069 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:31:45,071 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 03:31:45,071 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 03:31:45,071 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 03:31:45,071 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 03:31:45,071 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 03:31:45,071 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 03:31:45,071 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 03:31:45,071 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 3 [2020-10-27 03:31:45,072 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 03:31:45,088 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2020-10-27 03:31:45,092 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 03:31:45,099 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:31:45,112 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:31:45,135 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 03:31:45,135 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 77 [2020-10-27 03:31:45,135 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-27 03:31:45,136 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 38 [2020-10-27 03:31:45,136 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 03:31:45,136 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 03:31:45,136 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 3 [2020-10-27 03:31:45,136 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 72 [2020-10-27 03:31:45,136 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 03:31:45,169 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-27 03:31:45,172 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 03:31:45,174 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:31:45,183 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:31:45,196 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 03:31:45,197 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 47 [2020-10-27 03:31:45,197 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-27 03:31:45,197 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 23 [2020-10-27 03:31:45,197 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 03:31:45,197 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 03:31:45,197 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 03:31:45,197 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 44 [2020-10-27 03:31:45,198 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 03:31:45,200 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-27 03:31:45,202 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 03:31:45,203 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:31:45,204 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:31:45,220 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 03:31:45,220 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 40 [2020-10-27 03:31:45,220 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-27 03:31:45,220 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 16 [2020-10-27 03:31:45,220 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 03:31:45,220 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 03:31:45,221 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 03:31:45,221 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 03:31:45,221 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 03:31:45,223 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-27 03:31:45,226 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 03:31:45,227 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:31:45,228 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:31:45,241 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 03:31:45,241 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 33 [2020-10-27 03:31:45,242 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-27 03:31:45,242 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 14 [2020-10-27 03:31:45,242 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 03:31:45,242 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 03:31:45,242 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 03:31:45,242 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 03:31:45,242 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 03:31:45,244 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-27 03:31:45,245 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 03:31:45,246 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:31:45,247 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 03:31:45,247 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 18 [2020-10-27 03:31:45,248 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 03:31:45,248 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 03:31:45,248 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 03:31:45,248 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 03:31:45,248 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 03:31:45,248 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 03:31:45,249 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 03:31:45,250 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 03:31:45,250 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 03:31:45,251 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:31:45,252 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 03:31:45,252 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 03:31:45,252 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 03:31:45,252 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 03:31:45,252 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 03:31:45,252 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 03:31:45,253 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 03:31:45,253 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 03:31:45,253 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 03:31:45,257 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2020-10-27 03:31:45,258 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 03:31:45,259 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:31:45,259 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 03:31:45,259 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 03:31:45,259 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 03:31:45,260 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-27 03:31:45,260 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 03:31:45,260 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 03:31:45,260 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 03:31:45,260 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 03:31:45,260 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 03:31:45,262 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2020-10-27 03:31:45,264 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 03:31:45,266 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:31:45,269 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 03:31:45,270 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 25 [2020-10-27 03:31:45,270 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 03:31:45,270 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-27 03:31:45,270 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 03:31:45,270 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 03:31:45,270 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 03:31:45,270 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 22 [2020-10-27 03:31:45,271 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 03:31:45,272 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 03:31:45,273 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 03:31:45,273 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:31:45,274 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 03:31:45,274 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 03:31:45,274 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 03:31:45,274 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-27 03:31:45,274 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 03:31:45,275 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 03:31:45,275 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 03:31:45,275 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 03:31:45,275 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 03:31:45,276 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2020-10-27 03:31:45,276 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 03:31:45,276 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:31:45,277 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 03:31:45,277 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 03:31:45,277 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 03:31:45,277 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-27 03:31:45,278 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 03:31:45,278 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 03:31:45,278 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 03:31:45,278 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 03:31:45,278 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 03:31:45,293 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 111 [2020-10-27 03:31:45,294 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 03:31:45,295 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:31:45,296 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 03:31:45,296 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 03:31:45,296 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 03:31:45,297 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 03:31:45,297 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 03:31:45,297 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 03:31:45,297 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-27 03:31:45,297 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 03:31:45,297 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 03:31:45,298 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 118 [2020-10-27 03:31:45,299 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 03:31:45,299 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:31:45,300 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 03:31:45,300 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 03:31:45,300 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 03:31:45,300 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-27 03:31:45,300 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 03:31:45,300 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 03:31:45,300 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-27 03:31:45,300 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 03:31:45,300 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 03:31:45,301 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2020-10-27 03:31:45,302 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 03:31:45,302 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:31:45,302 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 03:31:45,303 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 03:31:45,303 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 03:31:45,303 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-27 03:31:45,303 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 03:31:45,303 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 03:31:45,303 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-27 03:31:45,303 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 03:31:45,303 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 03:31:45,327 INFO L134 CoverageAnalysis]: Checked inductivity of 26 backedges. 20 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2020-10-27 03:31:45,327 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1223294787] [2020-10-27 03:31:45,328 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-27 03:31:45,328 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2020-10-27 03:31:45,328 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [270305270] [2020-10-27 03:31:45,328 INFO L461 AbstractCegarLoop]: Interpolant automaton has 11 states [2020-10-27 03:31:45,329 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-27 03:31:45,329 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2020-10-27 03:31:45,329 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=29, Invalid=81, Unknown=0, NotChecked=0, Total=110 [2020-10-27 03:31:45,329 INFO L87 Difference]: Start difference. First operand 3156 states and 3751 transitions. Second operand 11 states. [2020-10-27 03:31:46,188 WARN L193 SmtUtils]: Spent 343.00 ms on a formula simplification that was a NOOP. DAG size: 208 [2020-10-27 03:31:47,117 WARN L193 SmtUtils]: Spent 343.00 ms on a formula simplification that was a NOOP. DAG size: 207 [2020-10-27 03:31:51,464 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-27 03:31:51,465 INFO L93 Difference]: Finished difference Result 3833 states and 4760 transitions. [2020-10-27 03:31:51,465 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 34 states. [2020-10-27 03:31:51,465 INFO L78 Accepts]: Start accepts. Automaton has 11 states. Word has length 134 [2020-10-27 03:31:51,466 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-27 03:31:51,475 INFO L225 Difference]: With dead ends: 3833 [2020-10-27 03:31:51,476 INFO L226 Difference]: Without dead ends: 1779 [2020-10-27 03:31:51,487 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 98 GetRequests, 60 SyntacticMatches, 0 SemanticMatches, 38 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 439 ImplicationChecksByTransitivity, 1.6s TimeCoverageRelationStatistics Valid=311, Invalid=1249, Unknown=0, NotChecked=0, Total=1560 [2020-10-27 03:31:51,490 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1779 states. [2020-10-27 03:31:51,785 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1779 to 1540. [2020-10-27 03:31:51,786 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1540 states. [2020-10-27 03:31:51,790 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1540 states to 1540 states and 1797 transitions. [2020-10-27 03:31:51,791 INFO L78 Accepts]: Start accepts. Automaton has 1540 states and 1797 transitions. Word has length 134 [2020-10-27 03:31:51,791 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-27 03:31:51,792 INFO L481 AbstractCegarLoop]: Abstraction has 1540 states and 1797 transitions. [2020-10-27 03:31:51,792 INFO L482 AbstractCegarLoop]: Interpolant automaton has 11 states. [2020-10-27 03:31:51,792 INFO L276 IsEmpty]: Start isEmpty. Operand 1540 states and 1797 transitions. [2020-10-27 03:31:51,798 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 158 [2020-10-27 03:31:51,798 INFO L414 BasicCegarLoop]: Found error trace [2020-10-27 03:31:51,798 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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] [2020-10-27 03:31:51,799 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2020-10-27 03:31:51,799 INFO L429 AbstractCegarLoop]: === Iteration 8 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argErr1ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argErr0ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argtypeErr0ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argtypeErr1ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-27 03:31:51,799 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-27 03:31:51,799 INFO L82 PathProgramCache]: Analyzing trace with hash -1579942787, now seen corresponding path program 1 times [2020-10-27 03:31:51,799 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-27 03:31:51,800 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [135343518] [2020-10-27 03:31:51,800 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-27 03:31:51,822 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 03:31:51,839 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:31:51,869 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:31:51,955 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:31:52,034 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:31:52,082 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:31:52,768 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:31:53,156 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:31:53,372 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:31:53,691 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:31:55,162 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:31:56,837 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 03:31:56,837 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 223 [2020-10-27 03:31:56,837 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 10 [2020-10-27 03:31:56,837 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5013 [2020-10-27 03:31:56,838 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 03:31:56,838 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-27 03:31:56,838 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 94 [2020-10-27 03:31:56,838 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-27 03:31:56,838 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 03:31:57,194 WARN L193 SmtUtils]: Spent 336.00 ms on a formula simplification that was a NOOP. DAG size: 205 [2020-10-27 03:31:57,195 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-27 03:31:57,202 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 03:31:57,204 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:31:57,222 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 03:31:57,223 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 03:31:57,223 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 03:31:57,223 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 20 [2020-10-27 03:31:57,223 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 03:31:57,223 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 03:31:57,223 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 03:31:57,223 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 03:31:57,223 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 03:31:57,234 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-27 03:31:57,235 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 03:31:57,235 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:31:57,236 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 03:31:57,236 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-27 03:31:57,236 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 03:31:57,236 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-27 03:31:57,236 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 03:31:57,236 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 03:31:57,236 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 03:31:57,236 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 03:31:57,237 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 03:31:57,237 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-10-27 03:31:57,238 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 03:31:57,238 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:31:57,238 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 03:31:57,239 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-27 03:31:57,239 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 03:31:57,239 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-27 03:31:57,239 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 03:31:57,239 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 03:31:57,239 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 03:31:57,239 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 03:31:57,239 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 03:31:57,240 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-27 03:31:57,241 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 03:31:57,241 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:31:57,242 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 03:31:57,242 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 03:31:57,242 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 03:31:57,242 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-27 03:31:57,242 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 03:31:57,242 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 03:31:57,242 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 03:31:57,242 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 03:31:57,243 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 03:31:57,243 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-10-27 03:31:57,244 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 03:31:57,244 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:31:57,245 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 03:31:57,245 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-27 03:31:57,245 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 03:31:57,245 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-27 03:31:57,245 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 03:31:57,245 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 03:31:57,245 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 03:31:57,245 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 03:31:57,246 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 03:31:57,259 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2020-10-27 03:31:57,259 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 03:31:57,260 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:31:57,260 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 03:31:57,260 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 03:31:57,261 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 03:31:57,261 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-27 03:31:57,261 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 03:31:57,261 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 03:31:57,266 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 03:31:57,266 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 03:31:57,266 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 5 [2020-10-27 03:31:57,273 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2020-10-27 03:31:57,274 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 03:31:57,275 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:31:57,276 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 03:31:57,276 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 03:31:57,276 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 03:31:57,276 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 03:31:57,276 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 03:31:57,276 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 03:31:57,276 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 03:31:57,277 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 03:31:57,277 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 03:31:57,293 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2020-10-27 03:31:57,298 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 03:31:57,301 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:31:57,323 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 03:31:57,323 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 77 [2020-10-27 03:31:57,323 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 03:31:57,323 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 24 [2020-10-27 03:31:57,323 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 03:31:57,323 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-27 03:31:57,324 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 31 [2020-10-27 03:31:57,324 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-27 03:31:57,324 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 03:31:57,342 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-27 03:31:57,344 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 03:31:57,346 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:31:57,358 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 03:31:57,358 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 47 [2020-10-27 03:31:57,359 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 03:31:57,359 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 13 [2020-10-27 03:31:57,359 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 03:31:57,359 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-27 03:31:57,359 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 26 [2020-10-27 03:31:57,359 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-27 03:31:57,359 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 03:31:57,362 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-27 03:31:57,368 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 03:31:57,370 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:31:57,379 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 03:31:57,379 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 40 [2020-10-27 03:31:57,379 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 03:31:57,379 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 9 [2020-10-27 03:31:57,379 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 03:31:57,379 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-27 03:31:57,379 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 21 [2020-10-27 03:31:57,380 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-27 03:31:57,380 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 03:31:57,381 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-27 03:31:57,383 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 03:31:57,385 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:31:57,396 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 03:31:57,396 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 33 [2020-10-27 03:31:57,396 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 03:31:57,397 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 12 [2020-10-27 03:31:57,397 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 03:31:57,397 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-27 03:31:57,397 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 16 [2020-10-27 03:31:57,397 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-27 03:31:57,397 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 03:31:57,442 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-27 03:31:57,444 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 03:31:57,445 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:31:57,452 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 03:31:57,453 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 18 [2020-10-27 03:31:57,453 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 03:31:57,453 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-10-27 03:31:57,453 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 03:31:57,453 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-27 03:31:57,453 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 03:31:57,454 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 14 [2020-10-27 03:31:57,454 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 03:31:57,501 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 03:31:57,502 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 03:31:57,503 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:31:57,503 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 03:31:57,504 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 03:31:57,504 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 03:31:57,504 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 03:31:57,504 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 03:31:57,504 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 03:31:57,504 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 03:31:57,505 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 03:31:57,505 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 03:31:57,507 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2020-10-27 03:31:57,515 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 03:31:57,516 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:31:57,517 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 03:31:57,517 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 03:31:57,517 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 03:31:57,517 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 03:31:57,517 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 03:31:57,517 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 03:31:57,518 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-27 03:31:57,518 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 03:31:57,518 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 03:31:57,521 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2020-10-27 03:31:57,524 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 03:31:57,525 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:31:57,527 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 03:31:57,527 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 25 [2020-10-27 03:31:57,527 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 03:31:57,527 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-27 03:31:57,528 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 03:31:57,528 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 03:31:57,528 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 22 [2020-10-27 03:31:57,528 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 03:31:57,528 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 03:31:57,530 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 03:31:57,530 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 03:31:57,532 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:31:57,533 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 03:31:57,533 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 03:31:57,533 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 03:31:57,534 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-27 03:31:57,539 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 03:31:57,539 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 03:31:57,539 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 03:31:57,539 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 03:31:57,540 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 03:31:57,540 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2020-10-27 03:31:57,541 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 03:31:57,541 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:31:57,542 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 03:31:57,542 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 03:31:57,544 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 03:31:57,545 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-27 03:31:57,546 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 03:31:57,547 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 03:31:57,547 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 03:31:57,547 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 03:31:57,547 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 03:31:57,550 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 106 [2020-10-27 03:31:57,553 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 03:31:57,555 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:31:57,564 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:31:57,570 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 03:31:57,571 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 47 [2020-10-27 03:31:57,571 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-27 03:31:57,571 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 16 [2020-10-27 03:31:57,571 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 03:31:57,571 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-27 03:31:57,571 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 26 [2020-10-27 03:31:57,571 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-27 03:31:57,572 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 03:31:57,575 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-27 03:31:57,580 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 03:31:57,582 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:31:57,594 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 03:31:57,594 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 40 [2020-10-27 03:31:57,594 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 03:31:57,595 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 13 [2020-10-27 03:31:57,595 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 03:31:57,595 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-27 03:31:57,595 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 21 [2020-10-27 03:31:57,595 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-27 03:31:57,595 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 03:31:57,598 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-27 03:31:57,600 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 03:31:57,605 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:31:57,614 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 03:31:57,615 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 33 [2020-10-27 03:31:57,615 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 03:31:57,615 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 13 [2020-10-27 03:31:57,615 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 03:31:57,615 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-27 03:31:57,615 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 16 [2020-10-27 03:31:57,615 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-27 03:31:57,616 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 03:31:57,635 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-27 03:31:57,638 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 03:31:57,639 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:31:57,644 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 03:31:57,644 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 18 [2020-10-27 03:31:57,645 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 03:31:57,645 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-27 03:31:57,645 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 03:31:57,645 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-27 03:31:57,645 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 03:31:57,645 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 14 [2020-10-27 03:31:57,645 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 03:31:57,648 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 03:31:57,648 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 03:31:57,649 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:31:57,649 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 03:31:57,649 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 03:31:57,649 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 03:31:57,649 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-27 03:31:57,650 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 03:31:57,650 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 03:31:57,650 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 03:31:57,650 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 03:31:57,650 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 03:31:57,651 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2020-10-27 03:31:57,651 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 03:31:57,652 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:31:57,652 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 03:31:57,653 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 03:31:57,653 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 03:31:57,653 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-27 03:31:57,653 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 03:31:57,653 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 03:31:57,653 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-27 03:31:57,653 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 03:31:57,654 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 03:31:57,656 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 141 [2020-10-27 03:31:57,656 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 03:31:57,657 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:31:57,657 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 03:31:57,657 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 03:31:57,657 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 03:31:57,657 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-27 03:31:57,657 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 03:31:57,658 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 03:31:57,658 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-27 03:31:57,658 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 03:31:57,658 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 03:31:57,658 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 147 [2020-10-27 03:31:57,659 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 03:31:57,660 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:31:57,660 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 03:31:57,660 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 03:31:57,660 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 03:31:57,660 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-27 03:31:57,661 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 03:31:57,661 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 03:31:57,661 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-27 03:31:57,661 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 03:31:57,661 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 03:31:57,683 INFO L134 CoverageAnalysis]: Checked inductivity of 59 backedges. 20 proven. 0 refuted. 0 times theorem prover too weak. 39 trivial. 0 not checked. [2020-10-27 03:31:57,683 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [135343518] [2020-10-27 03:31:57,684 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-27 03:31:57,684 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2020-10-27 03:31:57,684 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [415935381] [2020-10-27 03:31:57,684 INFO L461 AbstractCegarLoop]: Interpolant automaton has 11 states [2020-10-27 03:31:57,684 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-27 03:31:57,685 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2020-10-27 03:31:57,685 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=25, Invalid=85, Unknown=0, NotChecked=0, Total=110 [2020-10-27 03:31:57,685 INFO L87 Difference]: Start difference. First operand 1540 states and 1797 transitions. Second operand 11 states. [2020-10-27 03:31:59,084 WARN L193 SmtUtils]: Spent 357.00 ms on a formula simplification that was a NOOP. DAG size: 209 [2020-10-27 03:31:59,481 WARN L193 SmtUtils]: Spent 371.00 ms on a formula simplification that was a NOOP. DAG size: 212 [2020-10-27 03:31:59,882 WARN L193 SmtUtils]: Spent 354.00 ms on a formula simplification that was a NOOP. DAG size: 209 [2020-10-27 03:32:00,274 WARN L193 SmtUtils]: Spent 355.00 ms on a formula simplification that was a NOOP. DAG size: 211 [2020-10-27 03:32:02,158 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-27 03:32:02,159 INFO L93 Difference]: Finished difference Result 3351 states and 4131 transitions. [2020-10-27 03:32:02,160 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2020-10-27 03:32:02,160 INFO L78 Accepts]: Start accepts. Automaton has 11 states. Word has length 157 [2020-10-27 03:32:02,161 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-27 03:32:02,172 INFO L225 Difference]: With dead ends: 3351 [2020-10-27 03:32:02,172 INFO L226 Difference]: Without dead ends: 1839 [2020-10-27 03:32:02,177 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 79 GetRequests, 60 SyntacticMatches, 2 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 50 ImplicationChecksByTransitivity, 2.0s TimeCoverageRelationStatistics Valid=100, Invalid=242, Unknown=0, NotChecked=0, Total=342 [2020-10-27 03:32:02,179 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1839 states. [2020-10-27 03:32:02,435 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1839 to 1600. [2020-10-27 03:32:02,435 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1600 states. [2020-10-27 03:32:02,439 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1600 states to 1600 states and 1857 transitions. [2020-10-27 03:32:02,440 INFO L78 Accepts]: Start accepts. Automaton has 1600 states and 1857 transitions. Word has length 157 [2020-10-27 03:32:02,440 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-27 03:32:02,440 INFO L481 AbstractCegarLoop]: Abstraction has 1600 states and 1857 transitions. [2020-10-27 03:32:02,440 INFO L482 AbstractCegarLoop]: Interpolant automaton has 11 states. [2020-10-27 03:32:02,441 INFO L276 IsEmpty]: Start isEmpty. Operand 1600 states and 1857 transitions. [2020-10-27 03:32:02,447 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 158 [2020-10-27 03:32:02,447 INFO L414 BasicCegarLoop]: Found error trace [2020-10-27 03:32:02,448 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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] [2020-10-27 03:32:02,448 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2020-10-27 03:32:02,448 INFO L429 AbstractCegarLoop]: === Iteration 9 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argErr1ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argErr0ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argtypeErr0ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argtypeErr1ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-27 03:32:02,448 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-27 03:32:02,449 INFO L82 PathProgramCache]: Analyzing trace with hash 2072112317, now seen corresponding path program 1 times [2020-10-27 03:32:02,449 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-27 03:32:02,449 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1142474460] [2020-10-27 03:32:02,449 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-27 03:32:02,471 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 03:32:02,488 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:32:02,519 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:32:02,552 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:32:02,794 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:32:03,039 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:32:03,176 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:32:03,431 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:32:03,514 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:32:03,925 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:32:03,946 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:32:07,475 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 03:32:07,475 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 223 [2020-10-27 03:32:07,475 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 10 [2020-10-27 03:32:07,475 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5001 [2020-10-27 03:32:07,475 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 03:32:07,475 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-27 03:32:07,475 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 90 [2020-10-27 03:32:07,476 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-27 03:32:07,476 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 03:32:07,832 WARN L193 SmtUtils]: Spent 335.00 ms on a formula simplification that was a NOOP. DAG size: 205 [2020-10-27 03:32:07,833 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-27 03:32:07,839 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 03:32:07,841 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:32:07,855 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 03:32:07,855 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 03:32:07,855 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 03:32:07,855 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 15 [2020-10-27 03:32:07,855 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 03:32:07,855 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 03:32:07,855 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 03:32:07,855 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 03:32:07,856 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 03:32:07,862 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-27 03:32:07,863 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 03:32:07,863 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:32:07,863 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 03:32:07,864 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-27 03:32:07,864 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 03:32:07,864 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-27 03:32:07,864 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 03:32:07,864 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 03:32:07,864 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 03:32:07,864 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 03:32:07,864 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 03:32:07,865 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-10-27 03:32:07,865 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 03:32:07,866 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:32:07,866 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 03:32:07,866 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-27 03:32:07,866 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 03:32:07,867 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-27 03:32:07,867 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 03:32:07,867 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 03:32:07,867 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 03:32:07,867 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 03:32:07,867 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 03:32:07,868 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-27 03:32:07,868 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 03:32:07,868 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:32:07,869 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 03:32:07,869 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 03:32:07,869 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 03:32:07,869 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-27 03:32:07,870 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 03:32:07,870 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 03:32:07,870 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 03:32:07,870 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 03:32:07,870 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 03:32:07,871 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-10-27 03:32:07,871 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 03:32:07,872 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:32:07,872 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 03:32:07,872 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-27 03:32:07,872 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 03:32:07,872 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-27 03:32:07,873 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 03:32:07,873 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 03:32:07,873 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 03:32:07,873 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 03:32:07,873 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 03:32:07,881 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2020-10-27 03:32:07,882 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 03:32:07,883 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:32:07,884 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 03:32:07,884 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 03:32:07,884 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 03:32:07,884 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 03:32:07,884 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 03:32:07,884 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 03:32:07,885 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 03:32:07,885 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 03:32:07,885 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 03:32:07,900 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2020-10-27 03:32:07,900 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 03:32:07,901 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:32:07,901 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 03:32:07,902 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 03:32:07,902 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 03:32:07,902 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-27 03:32:07,902 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 03:32:07,902 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 03:32:07,902 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 03:32:07,902 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 03:32:07,902 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 03:32:07,917 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2020-10-27 03:32:07,921 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 03:32:07,923 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:32:07,939 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 03:32:07,939 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 77 [2020-10-27 03:32:07,939 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 03:32:07,939 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 16 [2020-10-27 03:32:07,939 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 03:32:07,939 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-27 03:32:07,939 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 27 [2020-10-27 03:32:07,939 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-27 03:32:07,940 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 03:32:07,954 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-27 03:32:07,956 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 03:32:07,958 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:32:07,965 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 03:32:07,965 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 47 [2020-10-27 03:32:07,965 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 03:32:07,965 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 8 [2020-10-27 03:32:07,965 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 03:32:07,966 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-27 03:32:07,966 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 22 [2020-10-27 03:32:07,966 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-27 03:32:07,966 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 03:32:07,967 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-27 03:32:07,969 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 03:32:07,971 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:32:07,981 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 03:32:07,981 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 40 [2020-10-27 03:32:07,981 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 03:32:07,981 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 11 [2020-10-27 03:32:07,982 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 03:32:07,982 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-27 03:32:07,982 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 17 [2020-10-27 03:32:07,982 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-27 03:32:07,982 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 03:32:07,984 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-27 03:32:07,986 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 03:32:07,987 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:32:07,995 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 03:32:07,995 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 33 [2020-10-27 03:32:07,995 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 03:32:07,995 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 8 [2020-10-27 03:32:07,995 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 03:32:07,996 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-27 03:32:07,996 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 12 [2020-10-27 03:32:07,996 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-27 03:32:07,996 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 03:32:07,998 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-27 03:32:07,999 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 03:32:08,000 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:32:08,005 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 03:32:08,005 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 18 [2020-10-27 03:32:08,005 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 03:32:08,005 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-27 03:32:08,005 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 03:32:08,005 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-27 03:32:08,006 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 7 [2020-10-27 03:32:08,006 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-27 03:32:08,006 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 03:32:08,026 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 03:32:08,027 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 03:32:08,028 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:32:08,029 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 03:32:08,029 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 03:32:08,030 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 03:32:08,030 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 03:32:08,030 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 03:32:08,030 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-10-27 03:32:08,030 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 03:32:08,030 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-27 03:32:08,030 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 03:32:08,041 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2020-10-27 03:32:08,042 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 03:32:08,043 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:32:08,044 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 03:32:08,044 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 03:32:08,044 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 03:32:08,045 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 03:32:08,045 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 03:32:08,045 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 03:32:08,045 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-27 03:32:08,045 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 03:32:08,045 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 03:32:08,047 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2020-10-27 03:32:08,049 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 03:32:08,050 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:32:08,053 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 03:32:08,053 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 25 [2020-10-27 03:32:08,053 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 03:32:08,053 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-27 03:32:08,053 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 03:32:08,053 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 03:32:08,053 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 22 [2020-10-27 03:32:08,053 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 03:32:08,054 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 03:32:08,055 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 03:32:08,056 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 03:32:08,056 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:32:08,057 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 03:32:08,057 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 03:32:08,057 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 03:32:08,057 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-27 03:32:08,057 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 03:32:08,058 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 03:32:08,058 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 03:32:08,058 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 03:32:08,058 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 03:32:08,059 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2020-10-27 03:32:08,059 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 03:32:08,060 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:32:08,060 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 03:32:08,060 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 03:32:08,061 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 03:32:08,061 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-27 03:32:08,061 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 03:32:08,061 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 03:32:08,061 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 03:32:08,061 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 03:32:08,061 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 03:32:08,064 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 106 [2020-10-27 03:32:08,066 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 03:32:08,068 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:32:08,075 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:32:08,079 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 03:32:08,079 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 47 [2020-10-27 03:32:08,079 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-27 03:32:08,080 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 12 [2020-10-27 03:32:08,080 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 03:32:08,080 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-27 03:32:08,080 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 22 [2020-10-27 03:32:08,080 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-27 03:32:08,080 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 03:32:08,082 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-27 03:32:08,084 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 03:32:08,086 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:32:08,093 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 03:32:08,093 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 40 [2020-10-27 03:32:08,093 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 03:32:08,093 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-10-27 03:32:08,093 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 03:32:08,093 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-27 03:32:08,093 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 17 [2020-10-27 03:32:08,093 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-27 03:32:08,094 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 03:32:08,095 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-27 03:32:08,097 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 03:32:08,099 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:32:08,108 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 03:32:08,108 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 33 [2020-10-27 03:32:08,108 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 03:32:08,108 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 9 [2020-10-27 03:32:08,108 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 03:32:08,109 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-27 03:32:08,109 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 12 [2020-10-27 03:32:08,109 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-27 03:32:08,109 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 03:32:08,111 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-27 03:32:08,112 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 03:32:08,113 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:32:08,118 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 03:32:08,119 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 18 [2020-10-27 03:32:08,119 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 03:32:08,119 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-27 03:32:08,119 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 03:32:08,119 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-27 03:32:08,119 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 7 [2020-10-27 03:32:08,119 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-27 03:32:08,120 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 03:32:08,121 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 03:32:08,122 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 03:32:08,123 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:32:08,125 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 03:32:08,125 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 03:32:08,125 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 03:32:08,125 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-27 03:32:08,125 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 03:32:08,126 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-10-27 03:32:08,126 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 03:32:08,126 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-27 03:32:08,126 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 03:32:08,128 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2020-10-27 03:32:08,128 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 03:32:08,129 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:32:08,130 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 03:32:08,130 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 03:32:08,130 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 03:32:08,130 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-27 03:32:08,130 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 03:32:08,130 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 03:32:08,130 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-27 03:32:08,131 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 03:32:08,131 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 03:32:08,133 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 141 [2020-10-27 03:32:08,134 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 03:32:08,135 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:32:08,135 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 03:32:08,135 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 03:32:08,135 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 03:32:08,136 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-27 03:32:08,136 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 03:32:08,136 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 03:32:08,136 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-27 03:32:08,136 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 03:32:08,136 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 03:32:08,137 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 147 [2020-10-27 03:32:08,138 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 03:32:08,138 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:32:08,139 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 03:32:08,139 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 03:32:08,139 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 03:32:08,139 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-27 03:32:08,139 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 03:32:08,140 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 03:32:08,140 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-27 03:32:08,140 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 03:32:08,140 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 03:32:08,168 INFO L134 CoverageAnalysis]: Checked inductivity of 59 backedges. 20 proven. 0 refuted. 0 times theorem prover too weak. 39 trivial. 0 not checked. [2020-10-27 03:32:08,168 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1142474460] [2020-10-27 03:32:08,168 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-27 03:32:08,168 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2020-10-27 03:32:08,169 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [407334081] [2020-10-27 03:32:08,169 INFO L461 AbstractCegarLoop]: Interpolant automaton has 10 states [2020-10-27 03:32:08,169 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-27 03:32:08,170 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2020-10-27 03:32:08,170 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=67, Unknown=0, NotChecked=0, Total=90 [2020-10-27 03:32:08,170 INFO L87 Difference]: Start difference. First operand 1600 states and 1857 transitions. Second operand 10 states. [2020-10-27 03:32:09,292 WARN L193 SmtUtils]: Spent 344.00 ms on a formula simplification that was a NOOP. DAG size: 208 [2020-10-27 03:32:09,674 WARN L193 SmtUtils]: Spent 348.00 ms on a formula simplification that was a NOOP. DAG size: 208 [2020-10-27 03:32:10,037 WARN L193 SmtUtils]: Spent 346.00 ms on a formula simplification that was a NOOP. DAG size: 208 [2020-10-27 03:32:11,752 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-27 03:32:11,753 INFO L93 Difference]: Finished difference Result 3033 states and 3758 transitions. [2020-10-27 03:32:11,753 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2020-10-27 03:32:11,754 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 157 [2020-10-27 03:32:11,754 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-27 03:32:11,762 INFO L225 Difference]: With dead ends: 3033 [2020-10-27 03:32:11,762 INFO L226 Difference]: Without dead ends: 1461 [2020-10-27 03:32:11,768 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 78 GetRequests, 63 SyntacticMatches, 0 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 31 ImplicationChecksByTransitivity, 1.5s TimeCoverageRelationStatistics Valid=84, Invalid=188, Unknown=0, NotChecked=0, Total=272 [2020-10-27 03:32:11,770 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1461 states. [2020-10-27 03:32:12,009 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1461 to 1223. [2020-10-27 03:32:12,009 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1223 states. [2020-10-27 03:32:12,012 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1223 states to 1223 states and 1404 transitions. [2020-10-27 03:32:12,013 INFO L78 Accepts]: Start accepts. Automaton has 1223 states and 1404 transitions. Word has length 157 [2020-10-27 03:32:12,013 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-27 03:32:12,013 INFO L481 AbstractCegarLoop]: Abstraction has 1223 states and 1404 transitions. [2020-10-27 03:32:12,013 INFO L482 AbstractCegarLoop]: Interpolant automaton has 10 states. [2020-10-27 03:32:12,014 INFO L276 IsEmpty]: Start isEmpty. Operand 1223 states and 1404 transitions. [2020-10-27 03:32:12,020 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 177 [2020-10-27 03:32:12,021 INFO L414 BasicCegarLoop]: Found error trace [2020-10-27 03:32:12,021 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-27 03:32:12,021 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2020-10-27 03:32:12,021 INFO L429 AbstractCegarLoop]: === Iteration 10 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argErr1ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argErr0ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argtypeErr0ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argtypeErr1ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-27 03:32:12,022 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-27 03:32:12,022 INFO L82 PathProgramCache]: Analyzing trace with hash 336170859, now seen corresponding path program 1 times [2020-10-27 03:32:12,022 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-27 03:32:12,022 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1092480748] [2020-10-27 03:32:12,022 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-27 03:32:12,049 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 03:32:12,070 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:32:12,111 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:32:12,146 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:32:12,180 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:32:12,427 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:32:12,784 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:32:13,289 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:32:13,617 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:32:13,733 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:32:13,836 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:32:17,083 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 03:32:17,083 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 250 [2020-10-27 03:32:17,083 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 10 [2020-10-27 03:32:17,083 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5030 [2020-10-27 03:32:17,084 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 03:32:17,084 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 9 [2020-10-27 03:32:17,084 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 55 [2020-10-27 03:32:17,084 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 146 [2020-10-27 03:32:17,084 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 03:32:17,569 WARN L193 SmtUtils]: Spent 389.00 ms on a formula simplification that was a NOOP. DAG size: 205 [2020-10-27 03:32:17,570 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-27 03:32:17,576 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 03:32:17,579 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:32:17,596 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 03:32:17,596 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 03:32:17,596 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 03:32:17,596 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 18 [2020-10-27 03:32:17,596 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 03:32:17,596 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 03:32:17,596 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 03:32:17,596 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 03:32:17,597 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 03:32:17,603 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-27 03:32:17,604 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 03:32:17,605 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:32:17,605 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 03:32:17,605 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-27 03:32:17,605 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 03:32:17,605 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-27 03:32:17,605 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 03:32:17,606 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 03:32:17,606 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 03:32:17,606 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 03:32:17,606 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 03:32:17,606 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-10-27 03:32:17,607 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 03:32:17,607 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:32:17,608 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 03:32:17,608 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-27 03:32:17,608 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 03:32:17,608 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-27 03:32:17,608 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 03:32:17,608 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 03:32:17,608 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 03:32:17,608 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 03:32:17,608 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 03:32:17,609 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-27 03:32:17,609 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 03:32:17,610 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:32:17,610 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 03:32:17,610 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 03:32:17,611 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 03:32:17,611 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-27 03:32:17,611 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 03:32:17,611 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 03:32:17,611 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 03:32:17,611 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 03:32:17,611 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 03:32:17,612 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-10-27 03:32:17,613 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 03:32:17,613 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:32:17,614 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 03:32:17,614 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-27 03:32:17,614 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 03:32:17,614 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 03:32:17,615 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 03:32:17,615 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 03:32:17,615 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 03:32:17,615 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 03:32:17,615 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 03:32:17,628 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2020-10-27 03:32:17,629 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 03:32:17,630 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:32:17,631 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 03:32:17,631 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 03:32:17,631 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 03:32:17,631 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 03:32:17,632 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 03:32:17,632 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 03:32:17,632 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 03:32:17,632 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 03:32:17,632 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 03:32:17,642 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2020-10-27 03:32:17,644 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 03:32:17,645 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:32:17,646 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 03:32:17,646 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 03:32:17,646 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 03:32:17,646 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 03:32:17,646 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 03:32:17,646 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 03:32:17,646 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 03:32:17,647 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-10-27 03:32:17,647 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 03:32:17,658 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2020-10-27 03:32:17,659 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 03:32:17,660 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:32:17,661 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 03:32:17,661 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 03:32:17,661 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 03:32:17,662 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 03:32:17,662 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 03:32:17,662 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 03:32:17,662 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 03:32:17,662 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-27 03:32:17,662 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 03:32:17,682 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2020-10-27 03:32:17,686 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 03:32:17,689 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:32:17,704 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 03:32:17,705 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 77 [2020-10-27 03:32:17,705 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 03:32:17,705 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 17 [2020-10-27 03:32:17,705 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 03:32:17,705 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-27 03:32:17,705 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-27 03:32:17,705 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 77 [2020-10-27 03:32:17,705 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 03:32:17,738 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-27 03:32:17,740 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 03:32:17,742 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:32:17,749 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 03:32:17,750 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 47 [2020-10-27 03:32:17,750 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 03:32:17,750 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 8 [2020-10-27 03:32:17,750 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 03:32:17,750 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 03:32:17,751 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 03:32:17,751 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 44 [2020-10-27 03:32:17,751 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 03:32:17,753 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-27 03:32:17,755 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 03:32:17,756 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:32:17,761 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 03:32:17,761 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 40 [2020-10-27 03:32:17,762 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 03:32:17,762 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-27 03:32:17,762 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 03:32:17,762 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 03:32:17,762 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 03:32:17,762 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 03:32:17,763 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 03:32:17,765 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-27 03:32:17,766 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 03:32:17,768 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:32:17,771 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 03:32:17,772 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 33 [2020-10-27 03:32:17,772 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 03:32:17,772 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-27 03:32:17,772 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 03:32:17,772 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 03:32:17,773 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 03:32:17,773 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 03:32:17,773 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 03:32:17,782 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-27 03:32:17,783 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 03:32:17,784 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:32:17,786 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 03:32:17,786 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 18 [2020-10-27 03:32:17,786 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 03:32:17,786 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-27 03:32:17,786 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 03:32:17,787 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 03:32:17,787 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 03:32:17,787 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 03:32:17,787 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 03:32:17,788 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 03:32:17,789 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 03:32:17,790 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:32:17,791 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 03:32:17,791 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 03:32:17,791 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 03:32:17,791 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 03:32:17,791 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 03:32:17,791 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 03:32:17,792 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 03:32:17,792 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 03:32:17,792 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 03:32:17,795 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2020-10-27 03:32:17,796 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 03:32:17,797 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:32:17,797 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 03:32:17,797 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 03:32:17,798 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 03:32:17,798 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-27 03:32:17,798 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 03:32:17,798 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 03:32:17,798 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 03:32:17,798 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 03:32:17,799 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 03:32:17,803 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2020-10-27 03:32:17,805 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 03:32:17,807 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:32:17,812 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 03:32:17,812 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 25 [2020-10-27 03:32:17,812 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 03:32:17,813 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-27 03:32:17,813 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 03:32:17,813 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 03:32:17,813 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 03:32:17,813 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 22 [2020-10-27 03:32:17,813 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 03:32:17,815 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 03:32:17,816 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 03:32:17,817 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:32:17,822 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 03:32:17,822 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 03:32:17,823 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 03:32:17,823 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-27 03:32:17,823 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 03:32:17,823 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 03:32:17,823 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 03:32:17,823 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 03:32:17,824 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 03:32:17,825 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2020-10-27 03:32:17,826 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 03:32:17,828 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:32:17,829 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 03:32:17,829 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 03:32:17,829 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 03:32:17,829 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-27 03:32:17,830 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 03:32:17,830 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 03:32:17,830 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 03:32:17,830 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 03:32:17,830 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 03:32:17,837 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 109 [2020-10-27 03:32:17,838 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 03:32:17,839 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:32:17,842 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 03:32:17,843 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 03:32:17,843 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 03:32:17,843 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-27 03:32:17,843 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 03:32:17,843 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-27 03:32:17,843 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-27 03:32:17,844 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-10-27 03:32:17,844 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 03:32:17,864 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 114 [2020-10-27 03:32:17,868 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 03:32:17,870 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:32:17,875 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:32:17,915 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:32:17,961 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 03:32:17,962 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 62 [2020-10-27 03:32:17,962 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-10-27 03:32:17,962 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 92 [2020-10-27 03:32:17,962 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 03:32:17,962 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-27 03:32:17,962 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 3 [2020-10-27 03:32:17,962 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 21 [2020-10-27 03:32:17,963 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 03:32:17,987 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-27 03:32:17,988 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 03:32:17,989 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:32:17,992 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 03:32:17,992 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 15 [2020-10-27 03:32:17,992 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 03:32:17,992 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-27 03:32:17,992 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 03:32:17,992 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 03:32:17,993 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 03:32:17,993 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 12 [2020-10-27 03:32:17,993 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 03:32:17,994 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 03:32:17,995 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 03:32:17,995 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:32:17,996 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 03:32:17,996 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 03:32:17,996 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 03:32:17,996 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-27 03:32:17,996 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 03:32:17,996 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 03:32:17,996 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 03:32:17,997 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 03:32:17,997 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 03:32:17,998 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2020-10-27 03:32:18,000 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 03:32:18,003 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:32:18,006 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:32:18,038 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 03:32:18,038 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 40 [2020-10-27 03:32:18,038 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-27 03:32:18,039 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 37 [2020-10-27 03:32:18,039 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 03:32:18,039 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-27 03:32:18,039 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-27 03:32:18,039 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 40 [2020-10-27 03:32:18,039 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 03:32:18,058 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-27 03:32:18,063 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 03:32:18,066 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:32:18,072 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 03:32:18,073 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 33 [2020-10-27 03:32:18,073 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 03:32:18,073 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 8 [2020-10-27 03:32:18,073 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 03:32:18,073 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 03:32:18,074 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 03:32:18,074 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 30 [2020-10-27 03:32:18,074 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 03:32:18,077 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-27 03:32:18,078 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 03:32:18,078 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:32:18,080 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 03:32:18,081 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 18 [2020-10-27 03:32:18,081 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 03:32:18,081 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-27 03:32:18,081 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 03:32:18,081 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 03:32:18,081 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 03:32:18,082 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 03:32:18,082 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 03:32:18,083 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 03:32:18,084 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 03:32:18,084 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:32:18,085 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 03:32:18,085 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 03:32:18,085 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 03:32:18,085 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-27 03:32:18,086 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 03:32:18,086 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 03:32:18,086 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 03:32:18,086 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 03:32:18,086 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 03:32:18,088 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2020-10-27 03:32:18,089 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 03:32:18,089 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:32:18,090 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 03:32:18,090 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 03:32:18,090 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 03:32:18,090 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-27 03:32:18,090 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 03:32:18,091 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 03:32:18,091 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 03:32:18,091 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 03:32:18,091 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 03:32:18,094 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 160 [2020-10-27 03:32:18,095 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 03:32:18,096 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:32:18,097 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 03:32:18,097 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 03:32:18,097 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 03:32:18,097 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 03:32:18,097 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 03:32:18,097 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 03:32:18,098 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-27 03:32:18,098 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 03:32:18,098 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 03:32:18,099 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 166 [2020-10-27 03:32:18,100 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 03:32:18,100 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:32:18,101 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 03:32:18,101 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 03:32:18,101 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 03:32:18,102 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 03:32:18,102 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 03:32:18,102 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 03:32:18,102 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-27 03:32:18,102 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 03:32:18,102 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 03:32:18,145 INFO L134 CoverageAnalysis]: Checked inductivity of 64 backedges. 19 proven. 3 refuted. 0 times theorem prover too weak. 42 trivial. 0 not checked. [2020-10-27 03:32:18,146 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1092480748] [2020-10-27 03:32:18,146 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-27 03:32:18,146 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [13] total 13 [2020-10-27 03:32:18,146 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1240059769] [2020-10-27 03:32:18,147 INFO L461 AbstractCegarLoop]: Interpolant automaton has 13 states [2020-10-27 03:32:18,147 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-27 03:32:18,147 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2020-10-27 03:32:18,147 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=32, Invalid=124, Unknown=0, NotChecked=0, Total=156 [2020-10-27 03:32:18,148 INFO L87 Difference]: Start difference. First operand 1223 states and 1404 transitions. Second operand 13 states. [2020-10-27 03:32:18,940 WARN L193 SmtUtils]: Spent 382.00 ms on a formula simplification that was a NOOP. DAG size: 207 [2020-10-27 03:32:19,835 WARN L193 SmtUtils]: Spent 378.00 ms on a formula simplification that was a NOOP. DAG size: 209 [2020-10-27 03:32:20,244 WARN L193 SmtUtils]: Spent 380.00 ms on a formula simplification that was a NOOP. DAG size: 207 [2020-10-27 03:32:20,798 WARN L193 SmtUtils]: Spent 393.00 ms on a formula simplification that was a NOOP. DAG size: 209 [2020-10-27 03:32:22,134 WARN L193 SmtUtils]: Spent 395.00 ms on a formula simplification that was a NOOP. DAG size: 210 [2020-10-27 03:32:24,159 WARN L193 SmtUtils]: Spent 387.00 ms on a formula simplification that was a NOOP. DAG size: 210 [2020-10-27 03:32:26,887 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-27 03:32:26,887 INFO L93 Difference]: Finished difference Result 2512 states and 3125 transitions. [2020-10-27 03:32:26,888 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 46 states. [2020-10-27 03:32:26,888 INFO L78 Accepts]: Start accepts. Automaton has 13 states. Word has length 176 [2020-10-27 03:32:26,891 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-27 03:32:26,899 INFO L225 Difference]: With dead ends: 2512 [2020-10-27 03:32:26,899 INFO L226 Difference]: Without dead ends: 1447 [2020-10-27 03:32:26,905 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 138 GetRequests, 84 SyntacticMatches, 1 SemanticMatches, 53 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 906 ImplicationChecksByTransitivity, 3.7s TimeCoverageRelationStatistics Valid=511, Invalid=2459, Unknown=0, NotChecked=0, Total=2970 [2020-10-27 03:32:26,907 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1447 states. [2020-10-27 03:32:27,123 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1447 to 861. [2020-10-27 03:32:27,124 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 861 states. [2020-10-27 03:32:27,126 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 861 states to 861 states and 963 transitions. [2020-10-27 03:32:27,127 INFO L78 Accepts]: Start accepts. Automaton has 861 states and 963 transitions. Word has length 176 [2020-10-27 03:32:27,129 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-27 03:32:27,129 INFO L481 AbstractCegarLoop]: Abstraction has 861 states and 963 transitions. [2020-10-27 03:32:27,129 INFO L482 AbstractCegarLoop]: Interpolant automaton has 13 states. [2020-10-27 03:32:27,129 INFO L276 IsEmpty]: Start isEmpty. Operand 861 states and 963 transitions. [2020-10-27 03:32:27,133 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 175 [2020-10-27 03:32:27,133 INFO L414 BasicCegarLoop]: Found error trace [2020-10-27 03:32:27,133 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-27 03:32:27,134 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2020-10-27 03:32:27,134 INFO L429 AbstractCegarLoop]: === Iteration 11 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argErr1ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argErr0ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argtypeErr0ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argtypeErr1ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-27 03:32:27,134 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-27 03:32:27,134 INFO L82 PathProgramCache]: Analyzing trace with hash -76527949, now seen corresponding path program 1 times [2020-10-27 03:32:27,134 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-27 03:32:27,135 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1939395664] [2020-10-27 03:32:27,135 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-27 03:32:27,174 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 03:32:27,196 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:32:27,242 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:32:27,478 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:32:28,050 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:32:28,499 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:32:30,613 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:32:32,210 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 03:32:32,210 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 248 [2020-10-27 03:32:32,210 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 6 [2020-10-27 03:32:32,210 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5033 [2020-10-27 03:32:32,210 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 03:32:32,211 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 17 [2020-10-27 03:32:32,211 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-27 03:32:32,211 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 154 [2020-10-27 03:32:32,211 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 03:32:32,625 WARN L193 SmtUtils]: Spent 351.00 ms on a formula simplification that was a NOOP. DAG size: 205 [2020-10-27 03:32:32,626 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-27 03:32:32,640 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 03:32:32,650 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:32:32,699 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 03:32:32,699 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 03:32:32,699 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 03:32:32,700 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 58 [2020-10-27 03:32:32,700 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 03:32:32,700 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 03:32:32,700 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 03:32:32,700 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-10-27 03:32:32,700 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 03:32:32,712 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-27 03:32:32,713 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 03:32:32,714 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:32:32,714 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 03:32:32,715 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-27 03:32:32,715 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 03:32:32,715 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 03:32:32,715 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 03:32:32,715 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 03:32:32,715 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 03:32:32,715 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-10-27 03:32:32,716 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 03:32:32,716 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-10-27 03:32:32,717 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 03:32:32,718 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:32:32,718 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 03:32:32,719 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-27 03:32:32,719 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 03:32:32,719 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 03:32:32,719 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 03:32:32,719 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 03:32:32,719 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 03:32:32,719 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-10-27 03:32:32,720 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 03:32:32,720 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-27 03:32:32,721 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 03:32:32,722 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:32:32,723 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 03:32:32,723 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 03:32:32,723 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 03:32:32,723 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 03:32:32,723 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 03:32:32,724 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 03:32:32,724 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 03:32:32,724 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-27 03:32:32,724 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 03:32:32,725 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-10-27 03:32:32,726 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 03:32:32,726 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:32:32,727 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 03:32:32,727 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-27 03:32:32,728 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 03:32:32,728 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 03:32:32,728 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 03:32:32,728 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 03:32:32,728 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 03:32:32,728 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-10-27 03:32:32,728 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 03:32:32,738 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2020-10-27 03:32:32,739 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 03:32:32,740 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:32:32,741 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 03:32:32,741 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 03:32:32,741 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 03:32:32,741 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 03:32:32,741 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 03:32:32,742 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 03:32:32,742 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 03:32:32,742 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-27 03:32:32,742 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 03:32:32,757 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2020-10-27 03:32:32,758 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 03:32:32,759 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:32:32,762 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 03:32:32,762 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 03:32:32,762 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 03:32:32,762 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-27 03:32:32,763 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 03:32:32,763 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-27 03:32:32,763 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-27 03:32:32,763 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-10-27 03:32:32,763 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 03:32:32,789 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2020-10-27 03:32:32,790 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 03:32:32,791 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:32:32,792 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 03:32:32,792 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 03:32:32,792 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 03:32:32,792 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 03:32:32,792 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 03:32:32,792 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 03:32:32,793 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 03:32:32,793 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-27 03:32:32,793 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 03:32:32,812 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2020-10-27 03:32:32,816 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 03:32:32,818 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:32:32,826 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:32:32,836 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 03:32:32,836 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 77 [2020-10-27 03:32:32,836 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-27 03:32:32,836 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 19 [2020-10-27 03:32:32,836 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 03:32:32,836 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-27 03:32:32,837 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-27 03:32:32,837 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 77 [2020-10-27 03:32:32,837 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 03:32:32,864 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-27 03:32:32,867 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 03:32:32,868 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:32:32,872 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 03:32:32,872 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 47 [2020-10-27 03:32:32,872 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 03:32:32,872 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-27 03:32:32,872 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 03:32:32,873 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 03:32:32,873 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 03:32:32,873 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 44 [2020-10-27 03:32:32,873 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 03:32:32,874 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-27 03:32:32,876 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 03:32:32,877 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:32:32,879 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 03:32:32,880 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 40 [2020-10-27 03:32:32,880 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 03:32:32,880 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-27 03:32:32,880 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 03:32:32,880 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 03:32:32,880 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 03:32:32,880 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 03:32:32,881 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 03:32:32,882 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-27 03:32:32,883 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 03:32:32,883 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:32:32,886 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 03:32:32,886 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 33 [2020-10-27 03:32:32,886 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 03:32:32,886 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-27 03:32:32,886 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 03:32:32,886 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 03:32:32,887 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 03:32:32,887 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 03:32:32,887 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 03:32:32,888 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-27 03:32:32,889 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 03:32:32,889 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:32:32,891 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 03:32:32,891 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 18 [2020-10-27 03:32:32,891 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 03:32:32,891 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 03:32:32,891 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 03:32:32,891 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 03:32:32,891 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 03:32:32,891 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 03:32:32,891 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 03:32:32,892 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 03:32:32,893 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 03:32:32,894 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:32:32,894 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 03:32:32,894 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 03:32:32,895 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 03:32:32,895 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-27 03:32:32,895 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 03:32:32,895 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 03:32:32,895 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 03:32:32,895 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 03:32:32,896 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 03:32:32,897 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2020-10-27 03:32:32,897 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 03:32:32,898 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:32:32,898 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 03:32:32,899 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 03:32:32,899 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 03:32:32,899 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-27 03:32:32,899 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 03:32:32,899 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 03:32:32,899 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 03:32:32,899 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 03:32:32,900 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 03:32:32,902 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2020-10-27 03:32:32,903 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 03:32:32,905 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:32:32,908 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 03:32:32,909 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 25 [2020-10-27 03:32:32,909 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 03:32:32,909 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-27 03:32:32,909 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 03:32:32,909 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 03:32:32,909 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 03:32:32,909 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 22 [2020-10-27 03:32:32,910 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 03:32:32,911 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 03:32:32,912 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 03:32:32,912 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:32:32,913 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 03:32:32,913 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 03:32:32,913 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 03:32:32,913 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-27 03:32:32,913 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 03:32:32,913 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 03:32:32,914 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 03:32:32,914 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 03:32:32,914 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 03:32:32,914 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2020-10-27 03:32:32,915 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 03:32:32,915 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:32:32,916 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 03:32:32,916 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 03:32:32,916 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 03:32:32,916 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-27 03:32:32,917 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 03:32:32,917 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 03:32:32,917 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 03:32:32,917 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 03:32:32,917 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 03:32:32,920 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 109 [2020-10-27 03:32:32,921 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 03:32:32,922 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:32:32,923 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 03:32:32,924 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 03:32:32,924 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 03:32:32,924 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-27 03:32:32,924 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 03:32:32,924 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-27 03:32:32,924 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-27 03:32:32,925 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-10-27 03:32:32,925 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 03:32:32,944 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 114 [2020-10-27 03:32:32,948 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 03:32:32,951 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:32:32,959 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 03:32:32,959 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 60 [2020-10-27 03:32:32,960 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 03:32:32,960 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 9 [2020-10-27 03:32:32,960 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 03:32:32,960 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 03:32:32,960 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 57 [2020-10-27 03:32:32,960 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 03:32:32,960 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 03:32:32,963 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-27 03:32:32,965 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 03:32:32,966 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:32:32,967 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 03:32:32,967 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 15 [2020-10-27 03:32:32,967 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 03:32:32,967 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 03:32:32,967 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 03:32:32,968 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 03:32:32,968 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 03:32:32,968 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 03:32:32,968 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 03:32:32,969 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 03:32:32,970 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 03:32:32,971 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:32:32,971 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 03:32:32,971 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 03:32:32,972 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 03:32:32,972 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-27 03:32:32,972 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 03:32:32,972 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 03:32:32,972 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 03:32:32,972 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 03:32:32,972 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 03:32:32,973 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2020-10-27 03:32:32,975 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 03:32:32,975 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:32:32,978 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 03:32:32,979 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 38 [2020-10-27 03:32:32,979 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 03:32:32,979 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-27 03:32:32,979 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 03:32:32,979 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 03:32:32,979 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 03:32:32,979 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 03:32:32,980 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 03:32:32,981 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-27 03:32:32,982 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 03:32:32,983 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:32:32,985 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 03:32:32,985 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 17 [2020-10-27 03:32:32,985 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 03:32:32,985 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-27 03:32:32,985 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 03:32:32,985 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 03:32:32,986 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 03:32:32,986 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 03:32:32,986 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 03:32:32,987 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 03:32:32,988 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 03:32:32,990 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:32:32,991 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 03:32:32,991 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 03:32:32,991 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 03:32:32,992 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-27 03:32:32,992 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 03:32:32,992 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 03:32:32,992 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 03:32:32,992 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 03:32:32,992 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 03:32:32,999 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2020-10-27 03:32:33,000 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 03:32:33,001 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:32:33,002 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 03:32:33,002 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 14 [2020-10-27 03:32:33,002 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 03:32:33,002 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 03:32:33,002 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 03:32:33,003 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 03:32:33,003 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 03:32:33,003 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 03:32:33,003 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 03:32:33,004 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-27 03:32:33,004 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 03:32:33,005 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:32:33,005 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 03:32:33,005 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-27 03:32:33,006 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 03:32:33,006 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-27 03:32:33,006 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 03:32:33,006 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 03:32:33,006 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 03:32:33,006 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 03:32:33,006 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 03:32:33,008 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 158 [2020-10-27 03:32:33,009 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 03:32:33,009 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:32:33,010 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 03:32:33,010 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 03:32:33,010 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 03:32:33,010 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-27 03:32:33,010 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 03:32:33,011 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 03:32:33,011 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-27 03:32:33,011 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 03:32:33,011 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 03:32:33,012 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 164 [2020-10-27 03:32:33,012 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 03:32:33,013 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:32:33,013 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 03:32:33,013 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 03:32:33,013 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 03:32:33,014 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-27 03:32:33,014 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 03:32:33,014 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 03:32:33,014 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-27 03:32:33,014 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 03:32:33,014 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 03:32:33,097 INFO L134 CoverageAnalysis]: Checked inductivity of 45 backedges. 11 proven. 5 refuted. 0 times theorem prover too weak. 29 trivial. 0 not checked. [2020-10-27 03:32:33,097 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1939395664] [2020-10-27 03:32:33,098 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-27 03:32:33,098 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [12] total 12 [2020-10-27 03:32:33,098 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [143107611] [2020-10-27 03:32:33,099 INFO L461 AbstractCegarLoop]: Interpolant automaton has 12 states [2020-10-27 03:32:33,099 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-27 03:32:33,099 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2020-10-27 03:32:33,103 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=29, Invalid=103, Unknown=0, NotChecked=0, Total=132 [2020-10-27 03:32:33,104 INFO L87 Difference]: Start difference. First operand 861 states and 963 transitions. Second operand 12 states. [2020-10-27 03:32:33,758 WARN L193 SmtUtils]: Spent 359.00 ms on a formula simplification that was a NOOP. DAG size: 207 [2020-10-27 03:32:34,641 WARN L193 SmtUtils]: Spent 382.00 ms on a formula simplification that was a NOOP. DAG size: 207 [2020-10-27 03:32:38,439 WARN L193 SmtUtils]: Spent 379.00 ms on a formula simplification that was a NOOP. DAG size: 207 [2020-10-27 03:32:40,058 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-27 03:32:40,058 INFO L93 Difference]: Finished difference Result 2097 states and 2528 transitions. [2020-10-27 03:32:40,059 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 33 states. [2020-10-27 03:32:40,059 INFO L78 Accepts]: Start accepts. Automaton has 12 states. Word has length 174 [2020-10-27 03:32:40,060 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-27 03:32:40,068 INFO L225 Difference]: With dead ends: 2097 [2020-10-27 03:32:40,068 INFO L226 Difference]: Without dead ends: 1400 [2020-10-27 03:32:40,071 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 104 GetRequests, 67 SyntacticMatches, 1 SemanticMatches, 36 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 357 ImplicationChecksByTransitivity, 2.1s TimeCoverageRelationStatistics Valid=258, Invalid=1148, Unknown=0, NotChecked=0, Total=1406 [2020-10-27 03:32:40,073 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1400 states. [2020-10-27 03:32:40,304 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1400 to 1201. [2020-10-27 03:32:40,305 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1201 states. [2020-10-27 03:32:40,308 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1201 states to 1201 states and 1364 transitions. [2020-10-27 03:32:40,309 INFO L78 Accepts]: Start accepts. Automaton has 1201 states and 1364 transitions. Word has length 174 [2020-10-27 03:32:40,309 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-27 03:32:40,309 INFO L481 AbstractCegarLoop]: Abstraction has 1201 states and 1364 transitions. [2020-10-27 03:32:40,309 INFO L482 AbstractCegarLoop]: Interpolant automaton has 12 states. [2020-10-27 03:32:40,309 INFO L276 IsEmpty]: Start isEmpty. Operand 1201 states and 1364 transitions. [2020-10-27 03:32:40,313 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 175 [2020-10-27 03:32:40,313 INFO L414 BasicCegarLoop]: Found error trace [2020-10-27 03:32:40,314 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-27 03:32:40,314 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2020-10-27 03:32:40,314 INFO L429 AbstractCegarLoop]: === Iteration 12 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argErr1ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argErr0ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argtypeErr0ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argtypeErr1ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-27 03:32:40,314 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-27 03:32:40,314 INFO L82 PathProgramCache]: Analyzing trace with hash -22135051, now seen corresponding path program 1 times [2020-10-27 03:32:40,315 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-27 03:32:40,315 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [947833894] [2020-10-27 03:32:40,315 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-27 03:32:40,343 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 03:32:40,366 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:32:40,417 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:32:40,558 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:32:42,082 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:32:45,357 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 03:32:45,357 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 248 [2020-10-27 03:32:45,358 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 4 [2020-10-27 03:32:45,358 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5011 [2020-10-27 03:32:45,358 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 03:32:45,358 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 21 [2020-10-27 03:32:45,358 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-27 03:32:45,358 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 194 [2020-10-27 03:32:45,358 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 03:32:45,758 WARN L193 SmtUtils]: Spent 328.00 ms on a formula simplification that was a NOOP. DAG size: 205 [2020-10-27 03:32:45,759 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-27 03:32:45,772 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 03:32:45,783 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:32:45,831 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 03:32:45,832 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 03:32:45,832 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 03:32:45,832 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 58 [2020-10-27 03:32:45,832 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 03:32:45,832 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 03:32:45,832 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 03:32:45,832 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-10-27 03:32:45,832 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 03:32:45,849 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-27 03:32:45,850 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 03:32:45,851 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:32:45,852 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 03:32:45,852 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-27 03:32:45,852 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 03:32:45,852 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 03:32:45,852 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 03:32:45,853 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 03:32:45,853 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 03:32:45,853 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-10-27 03:32:45,853 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 03:32:45,854 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-10-27 03:32:45,854 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 03:32:45,855 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:32:45,856 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 03:32:45,856 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-27 03:32:45,856 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 03:32:45,856 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 03:32:45,857 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 03:32:45,857 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 03:32:45,857 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 03:32:45,857 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-10-27 03:32:45,857 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 03:32:45,858 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-27 03:32:45,859 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 03:32:45,859 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:32:45,861 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 03:32:45,861 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 03:32:45,861 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 03:32:45,861 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 03:32:45,862 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 03:32:45,862 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 03:32:45,862 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 03:32:45,862 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-27 03:32:45,862 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 03:32:45,863 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-10-27 03:32:45,864 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 03:32:45,865 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:32:45,866 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 03:32:45,866 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-27 03:32:45,866 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 03:32:45,866 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 03:32:45,867 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 03:32:45,867 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 03:32:45,867 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 03:32:45,867 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-10-27 03:32:45,867 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 03:32:45,879 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2020-10-27 03:32:45,880 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 03:32:45,881 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:32:45,882 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 03:32:45,882 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 03:32:45,882 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 03:32:45,882 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 03:32:45,882 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 03:32:45,882 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 03:32:45,882 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 03:32:45,883 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-27 03:32:45,883 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 03:32:45,895 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2020-10-27 03:32:45,897 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 03:32:45,898 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:32:45,901 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 03:32:45,901 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 03:32:45,901 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 03:32:45,901 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-27 03:32:45,901 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 03:32:45,901 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-27 03:32:45,902 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-27 03:32:45,902 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-10-27 03:32:45,902 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 03:32:45,931 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2020-10-27 03:32:45,932 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 03:32:45,932 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:32:45,933 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 03:32:45,933 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 03:32:45,933 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 03:32:45,933 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 03:32:45,933 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 03:32:45,934 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 03:32:45,934 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 03:32:45,934 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-27 03:32:45,934 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 03:32:45,956 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2020-10-27 03:32:45,960 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 03:32:45,961 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:32:45,968 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:32:45,978 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 03:32:45,979 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 77 [2020-10-27 03:32:45,979 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-27 03:32:45,979 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 17 [2020-10-27 03:32:45,979 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 03:32:45,979 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-27 03:32:45,979 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-27 03:32:45,979 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 77 [2020-10-27 03:32:45,979 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 03:32:46,007 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-27 03:32:46,010 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 03:32:46,011 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:32:46,016 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 03:32:46,016 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 47 [2020-10-27 03:32:46,016 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 03:32:46,016 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-27 03:32:46,016 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 03:32:46,016 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 03:32:46,016 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 03:32:46,016 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 44 [2020-10-27 03:32:46,017 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 03:32:46,018 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-27 03:32:46,020 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 03:32:46,020 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:32:46,023 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 03:32:46,023 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 40 [2020-10-27 03:32:46,023 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 03:32:46,023 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-27 03:32:46,023 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 03:32:46,024 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 03:32:46,024 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 03:32:46,024 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 03:32:46,024 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 03:32:46,025 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-27 03:32:46,026 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 03:32:46,027 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:32:46,029 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 03:32:46,029 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 33 [2020-10-27 03:32:46,029 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 03:32:46,029 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-27 03:32:46,029 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 03:32:46,029 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 03:32:46,029 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 03:32:46,029 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 03:32:46,029 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 03:32:46,031 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-27 03:32:46,031 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 03:32:46,032 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:32:46,033 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 03:32:46,033 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 18 [2020-10-27 03:32:46,033 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 03:32:46,034 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 03:32:46,034 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 03:32:46,034 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 03:32:46,034 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 03:32:46,034 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 03:32:46,034 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 03:32:46,035 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 03:32:46,035 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 03:32:46,036 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:32:46,036 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 03:32:46,036 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 03:32:46,036 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 03:32:46,036 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-27 03:32:46,036 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 03:32:46,036 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 03:32:46,037 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 03:32:46,037 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 03:32:46,037 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 03:32:46,037 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2020-10-27 03:32:46,038 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 03:32:46,038 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:32:46,039 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 03:32:46,039 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 03:32:46,039 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 03:32:46,039 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-27 03:32:46,040 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 03:32:46,040 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 03:32:46,040 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 03:32:46,040 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 03:32:46,040 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 03:32:46,042 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2020-10-27 03:32:46,044 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 03:32:46,045 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:32:46,048 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 03:32:46,048 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 25 [2020-10-27 03:32:46,049 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 03:32:46,049 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-27 03:32:46,049 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 03:32:46,049 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 03:32:46,049 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 03:32:46,049 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 22 [2020-10-27 03:32:46,049 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 03:32:46,050 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 03:32:46,051 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 03:32:46,051 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:32:46,052 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 03:32:46,052 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 03:32:46,052 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 03:32:46,052 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-27 03:32:46,052 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 03:32:46,052 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 03:32:46,052 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 03:32:46,052 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 03:32:46,053 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 03:32:46,053 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2020-10-27 03:32:46,054 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 03:32:46,054 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:32:46,055 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 03:32:46,055 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 03:32:46,055 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 03:32:46,055 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-27 03:32:46,055 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 03:32:46,056 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 03:32:46,056 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 03:32:46,056 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 03:32:46,056 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 03:32:46,058 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 109 [2020-10-27 03:32:46,059 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 03:32:46,060 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:32:46,063 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 03:32:46,063 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 03:32:46,063 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 03:32:46,063 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-27 03:32:46,063 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 03:32:46,063 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-27 03:32:46,063 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-27 03:32:46,064 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-10-27 03:32:46,064 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 03:32:46,080 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 114 [2020-10-27 03:32:46,084 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 03:32:46,086 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:32:46,104 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 03:32:46,104 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 60 [2020-10-27 03:32:46,104 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 03:32:46,104 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 19 [2020-10-27 03:32:46,104 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 03:32:46,105 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-27 03:32:46,105 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 31 [2020-10-27 03:32:46,105 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 27 [2020-10-27 03:32:46,105 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 03:32:46,124 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-27 03:32:46,125 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 03:32:46,126 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:32:46,127 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 03:32:46,128 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 15 [2020-10-27 03:32:46,128 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 03:32:46,128 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-27 03:32:46,128 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 03:32:46,128 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 03:32:46,128 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 03:32:46,128 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 03:32:46,128 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 03:32:46,129 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 03:32:46,130 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 03:32:46,130 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:32:46,131 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 03:32:46,131 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 03:32:46,131 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 03:32:46,131 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-27 03:32:46,131 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 03:32:46,131 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 03:32:46,131 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 03:32:46,131 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 03:32:46,131 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 03:32:46,132 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2020-10-27 03:32:46,134 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 03:32:46,136 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:32:46,145 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 03:32:46,145 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 38 [2020-10-27 03:32:46,145 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 03:32:46,146 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 10 [2020-10-27 03:32:46,146 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 03:32:46,146 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-27 03:32:46,146 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 03:32:46,146 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 15 [2020-10-27 03:32:46,146 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 03:32:46,148 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-27 03:32:46,149 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 03:32:46,150 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:32:46,157 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 03:32:46,157 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 17 [2020-10-27 03:32:46,157 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 03:32:46,157 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-10-27 03:32:46,157 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 03:32:46,157 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-27 03:32:46,157 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 03:32:46,157 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 10 [2020-10-27 03:32:46,158 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 03:32:46,253 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 03:32:46,254 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 03:32:46,256 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:32:46,259 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 03:32:46,259 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 03:32:46,259 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 03:32:46,259 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-27 03:32:46,259 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 03:32:46,260 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-10-27 03:32:46,260 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 03:32:46,260 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-10-27 03:32:46,260 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 03:32:46,297 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2020-10-27 03:32:46,299 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 03:32:46,301 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:32:46,303 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 03:32:46,303 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 14 [2020-10-27 03:32:46,303 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 03:32:46,303 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-27 03:32:46,303 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 03:32:46,303 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 03:32:46,303 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 03:32:46,304 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 11 [2020-10-27 03:32:46,304 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 03:32:46,305 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-27 03:32:46,305 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 03:32:46,306 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:32:46,306 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 03:32:46,307 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-27 03:32:46,307 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 03:32:46,307 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-27 03:32:46,307 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 03:32:46,307 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 03:32:46,307 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 03:32:46,307 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 03:32:46,308 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 03:32:46,310 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 158 [2020-10-27 03:32:46,311 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 03:32:46,312 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:32:46,313 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 03:32:46,313 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 03:32:46,313 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 03:32:46,313 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-27 03:32:46,313 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 03:32:46,313 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 03:32:46,313 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-27 03:32:46,313 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 03:32:46,314 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 03:32:46,314 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 164 [2020-10-27 03:32:46,315 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 03:32:46,315 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:32:46,316 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 03:32:46,316 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 03:32:46,316 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 03:32:46,316 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-27 03:32:46,316 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 03:32:46,317 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 03:32:46,317 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-27 03:32:46,317 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 03:32:46,317 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 03:32:46,347 INFO L134 CoverageAnalysis]: Checked inductivity of 45 backedges. 13 proven. 7 refuted. 0 times theorem prover too weak. 25 trivial. 0 not checked. [2020-10-27 03:32:46,347 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [947833894] [2020-10-27 03:32:46,347 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-27 03:32:46,347 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [17] total 17 [2020-10-27 03:32:46,347 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1510485349] [2020-10-27 03:32:46,348 INFO L461 AbstractCegarLoop]: Interpolant automaton has 17 states [2020-10-27 03:32:46,348 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-27 03:32:46,348 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 17 interpolants. [2020-10-27 03:32:46,348 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=48, Invalid=224, Unknown=0, NotChecked=0, Total=272 [2020-10-27 03:32:46,349 INFO L87 Difference]: Start difference. First operand 1201 states and 1364 transitions. Second operand 17 states. [2020-10-27 03:32:47,034 WARN L193 SmtUtils]: Spent 336.00 ms on a formula simplification that was a NOOP. DAG size: 207 [2020-10-27 03:32:47,959 WARN L193 SmtUtils]: Spent 339.00 ms on a formula simplification that was a NOOP. DAG size: 207 [2020-10-27 03:32:50,622 WARN L193 SmtUtils]: Spent 385.00 ms on a formula simplification that was a NOOP. DAG size: 207 [2020-10-27 03:32:51,732 WARN L193 SmtUtils]: Spent 723.00 ms on a formula simplification. DAG size of input: 212 DAG size of output: 210 [2020-10-27 03:32:52,599 WARN L193 SmtUtils]: Spent 785.00 ms on a formula simplification. DAG size of input: 212 DAG size of output: 210 [2020-10-27 03:32:53,449 WARN L193 SmtUtils]: Spent 813.00 ms on a formula simplification. DAG size of input: 214 DAG size of output: 212 [2020-10-27 03:32:55,358 WARN L193 SmtUtils]: Spent 385.00 ms on a formula simplification that was a NOOP. DAG size: 210 [2020-10-27 03:32:55,800 WARN L193 SmtUtils]: Spent 381.00 ms on a formula simplification that was a NOOP. DAG size: 210 [2020-10-27 03:32:56,242 WARN L193 SmtUtils]: Spent 406.00 ms on a formula simplification that was a NOOP. DAG size: 212 [2020-10-27 03:32:57,015 WARN L193 SmtUtils]: Spent 742.00 ms on a formula simplification. DAG size of input: 213 DAG size of output: 207 [2020-10-27 03:33:00,277 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-27 03:33:00,277 INFO L93 Difference]: Finished difference Result 3460 states and 4210 transitions. [2020-10-27 03:33:00,278 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 58 states. [2020-10-27 03:33:00,278 INFO L78 Accepts]: Start accepts. Automaton has 17 states. Word has length 174 [2020-10-27 03:33:00,279 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-27 03:33:00,292 INFO L225 Difference]: With dead ends: 3460 [2020-10-27 03:33:00,292 INFO L226 Difference]: Without dead ends: 2431 [2020-10-27 03:33:00,298 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 138 GetRequests, 73 SyntacticMatches, 1 SemanticMatches, 64 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1305 ImplicationChecksByTransitivity, 7.2s TimeCoverageRelationStatistics Valid=738, Invalid=3552, Unknown=0, NotChecked=0, Total=4290 [2020-10-27 03:33:00,301 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2431 states. [2020-10-27 03:33:00,840 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2431 to 1877. [2020-10-27 03:33:00,840 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1877 states. [2020-10-27 03:33:00,845 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1877 states to 1877 states and 2125 transitions. [2020-10-27 03:33:00,846 INFO L78 Accepts]: Start accepts. Automaton has 1877 states and 2125 transitions. Word has length 174 [2020-10-27 03:33:00,846 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-27 03:33:00,846 INFO L481 AbstractCegarLoop]: Abstraction has 1877 states and 2125 transitions. [2020-10-27 03:33:00,846 INFO L482 AbstractCegarLoop]: Interpolant automaton has 17 states. [2020-10-27 03:33:00,846 INFO L276 IsEmpty]: Start isEmpty. Operand 1877 states and 2125 transitions. [2020-10-27 03:33:00,850 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 175 [2020-10-27 03:33:00,850 INFO L414 BasicCegarLoop]: Found error trace [2020-10-27 03:33:00,850 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-27 03:33:00,851 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2020-10-27 03:33:00,851 INFO L429 AbstractCegarLoop]: === Iteration 13 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argErr1ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argErr0ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argtypeErr0ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argtypeErr1ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-27 03:33:00,851 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-27 03:33:00,851 INFO L82 PathProgramCache]: Analyzing trace with hash -416501837, now seen corresponding path program 1 times [2020-10-27 03:33:00,851 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-27 03:33:00,852 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1715096177] [2020-10-27 03:33:00,852 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-27 03:33:00,882 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 03:33:00,904 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:33:00,945 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:33:01,123 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:33:03,617 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:33:05,888 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 03:33:05,888 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 248 [2020-10-27 03:33:05,888 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 4 [2020-10-27 03:33:05,888 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5003 [2020-10-27 03:33:05,888 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 03:33:05,888 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 7 [2020-10-27 03:33:05,889 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 63 [2020-10-27 03:33:05,889 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 119 [2020-10-27 03:33:05,889 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 03:33:06,275 WARN L193 SmtUtils]: Spent 344.00 ms on a formula simplification that was a NOOP. DAG size: 205 [2020-10-27 03:33:06,276 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-27 03:33:06,280 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 03:33:06,282 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:33:06,309 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 03:33:06,309 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 03:33:06,309 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 03:33:06,309 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 28 [2020-10-27 03:33:06,309 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 03:33:06,309 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 03:33:06,309 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 03:33:06,309 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 03:33:06,309 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 03:33:06,316 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-27 03:33:06,316 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 03:33:06,316 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:33:06,317 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 03:33:06,317 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-27 03:33:06,317 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 03:33:06,317 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-27 03:33:06,317 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 03:33:06,317 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 03:33:06,317 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 03:33:06,317 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 03:33:06,317 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 03:33:06,318 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-10-27 03:33:06,318 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 03:33:06,318 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:33:06,318 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 03:33:06,319 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-27 03:33:06,319 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 03:33:06,319 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-27 03:33:06,319 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 03:33:06,319 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 03:33:06,319 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 03:33:06,319 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 03:33:06,319 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 03:33:06,319 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-27 03:33:06,320 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 03:33:06,320 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:33:06,320 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 03:33:06,320 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 03:33:06,320 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 03:33:06,321 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-27 03:33:06,321 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 03:33:06,321 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 03:33:06,321 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 03:33:06,321 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 03:33:06,321 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 03:33:06,321 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-10-27 03:33:06,322 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 03:33:06,322 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:33:06,322 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 03:33:06,323 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-27 03:33:06,323 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 03:33:06,323 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-27 03:33:06,323 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 03:33:06,323 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 03:33:06,323 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 03:33:06,323 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 03:33:06,323 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 03:33:06,342 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2020-10-27 03:33:06,342 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 03:33:06,343 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:33:06,343 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 03:33:06,343 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 03:33:06,344 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 03:33:06,344 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-27 03:33:06,344 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 03:33:06,344 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 03:33:06,344 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 03:33:06,344 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 03:33:06,344 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 03:33:06,354 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2020-10-27 03:33:06,358 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 03:33:06,358 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:33:06,359 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 03:33:06,359 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 03:33:06,360 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 03:33:06,360 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 03:33:06,360 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 03:33:06,360 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 03:33:06,360 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 03:33:06,360 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 03:33:06,360 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 03:33:06,369 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2020-10-27 03:33:06,371 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 03:33:06,371 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:33:06,373 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 03:33:06,373 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 03:33:06,373 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 03:33:06,373 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 03:33:06,373 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 03:33:06,373 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 03:33:06,373 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 03:33:06,373 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-10-27 03:33:06,373 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 03:33:06,391 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2020-10-27 03:33:06,395 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 03:33:06,397 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:33:06,409 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 03:33:06,409 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 77 [2020-10-27 03:33:06,409 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 03:33:06,409 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 13 [2020-10-27 03:33:06,409 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 03:33:06,409 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 03:33:06,410 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 03:33:06,410 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 74 [2020-10-27 03:33:06,410 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 03:33:06,430 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-27 03:33:06,431 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 03:33:06,432 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:33:06,435 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 03:33:06,435 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 47 [2020-10-27 03:33:06,436 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 03:33:06,436 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-27 03:33:06,436 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 03:33:06,436 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 03:33:06,436 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 03:33:06,436 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 03:33:06,436 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 03:33:06,438 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-27 03:33:06,439 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 03:33:06,440 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:33:06,443 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 03:33:06,443 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 40 [2020-10-27 03:33:06,443 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 03:33:06,443 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-27 03:33:06,444 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 03:33:06,444 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 03:33:06,444 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 03:33:06,444 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 03:33:06,444 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 03:33:06,446 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-27 03:33:06,447 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 03:33:06,448 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:33:06,450 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 03:33:06,450 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 33 [2020-10-27 03:33:06,450 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 03:33:06,451 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-27 03:33:06,451 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 03:33:06,451 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 03:33:06,451 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 03:33:06,451 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 03:33:06,451 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 03:33:06,453 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-27 03:33:06,454 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 03:33:06,454 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:33:06,456 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 03:33:06,456 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 18 [2020-10-27 03:33:06,456 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 03:33:06,456 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 03:33:06,456 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 03:33:06,457 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 03:33:06,457 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 03:33:06,457 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 03:33:06,457 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 03:33:06,458 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 03:33:06,459 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 03:33:06,459 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:33:06,460 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 03:33:06,460 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 03:33:06,460 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 03:33:06,460 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-27 03:33:06,460 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 03:33:06,460 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 03:33:06,461 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 03:33:06,461 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 03:33:06,461 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 03:33:06,462 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2020-10-27 03:33:06,462 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 03:33:06,463 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:33:06,463 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 03:33:06,464 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 03:33:06,464 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 03:33:06,464 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-27 03:33:06,464 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 03:33:06,464 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 03:33:06,464 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 03:33:06,464 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 03:33:06,464 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 03:33:06,466 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2020-10-27 03:33:06,467 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 03:33:06,468 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:33:06,470 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 03:33:06,470 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 25 [2020-10-27 03:33:06,470 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 03:33:06,470 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-27 03:33:06,470 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 03:33:06,470 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 03:33:06,471 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 03:33:06,471 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 03:33:06,471 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 03:33:06,472 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 03:33:06,473 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 03:33:06,473 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:33:06,474 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 03:33:06,474 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 03:33:06,474 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 03:33:06,474 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-27 03:33:06,474 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 03:33:06,474 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 03:33:06,475 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 03:33:06,475 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 03:33:06,475 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 03:33:06,475 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2020-10-27 03:33:06,476 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 03:33:06,476 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:33:06,477 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 03:33:06,477 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 03:33:06,477 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 03:33:06,477 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-27 03:33:06,477 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 03:33:06,478 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 03:33:06,478 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 03:33:06,478 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 03:33:06,478 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 03:33:06,480 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 109 [2020-10-27 03:33:06,481 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 03:33:06,482 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:33:06,483 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 03:33:06,483 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 03:33:06,483 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 03:33:06,484 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 03:33:06,484 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 03:33:06,484 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 03:33:06,484 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 03:33:06,484 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-27 03:33:06,484 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 03:33:06,485 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 114 [2020-10-27 03:33:06,488 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 03:33:06,490 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:33:06,496 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:33:06,580 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 03:33:06,580 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 60 [2020-10-27 03:33:06,580 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-27 03:33:06,580 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 91 [2020-10-27 03:33:06,580 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 03:33:06,581 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 7 [2020-10-27 03:33:06,581 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 11 [2020-10-27 03:33:06,581 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 47 [2020-10-27 03:33:06,581 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 03:33:06,622 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-27 03:33:06,624 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 03:33:06,624 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:33:06,628 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 03:33:06,628 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 15 [2020-10-27 03:33:06,629 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 03:33:06,629 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-27 03:33:06,629 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 03:33:06,629 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-27 03:33:06,629 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 03:33:06,629 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 11 [2020-10-27 03:33:06,629 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 03:33:06,664 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 03:33:06,665 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 03:33:06,666 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:33:06,667 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 03:33:06,667 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 03:33:06,667 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 03:33:06,667 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 03:33:06,667 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 03:33:06,668 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-10-27 03:33:06,668 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 03:33:06,668 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-10-27 03:33:06,668 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 03:33:06,687 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2020-10-27 03:33:06,690 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 03:33:06,691 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:33:06,693 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:33:06,727 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 03:33:06,727 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 38 [2020-10-27 03:33:06,727 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-27 03:33:06,727 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 36 [2020-10-27 03:33:06,728 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 03:33:06,728 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 03:33:06,728 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 03:33:06,728 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 35 [2020-10-27 03:33:06,728 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 03:33:06,730 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-27 03:33:06,731 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 03:33:06,732 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:33:06,734 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 03:33:06,734 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 17 [2020-10-27 03:33:06,734 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 03:33:06,734 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-27 03:33:06,734 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 03:33:06,735 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 03:33:06,735 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 03:33:06,735 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 03:33:06,735 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 03:33:06,736 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 03:33:06,737 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 03:33:06,737 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:33:06,738 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 03:33:06,738 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 03:33:06,739 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 03:33:06,739 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-27 03:33:06,739 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 03:33:06,739 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 03:33:06,739 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 03:33:06,739 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 03:33:06,740 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 03:33:06,741 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2020-10-27 03:33:06,741 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 03:33:06,742 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:33:06,743 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 03:33:06,743 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 14 [2020-10-27 03:33:06,743 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 03:33:06,743 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 03:33:06,743 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 03:33:06,743 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 03:33:06,744 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 03:33:06,744 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 03:33:06,744 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 03:33:06,745 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-27 03:33:06,745 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 03:33:06,746 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:33:06,746 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 03:33:06,746 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-27 03:33:06,746 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 03:33:06,746 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-27 03:33:06,747 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 03:33:06,747 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 03:33:06,747 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 03:33:06,747 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 03:33:06,747 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 03:33:06,749 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 158 [2020-10-27 03:33:06,750 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 03:33:06,750 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:33:06,751 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 03:33:06,751 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 03:33:06,751 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 03:33:06,751 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-27 03:33:06,751 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 03:33:06,752 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 03:33:06,752 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-27 03:33:06,752 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 03:33:06,752 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 03:33:06,753 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 164 [2020-10-27 03:33:06,753 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 03:33:06,754 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:33:06,754 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 03:33:06,754 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 03:33:06,754 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 03:33:06,755 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-27 03:33:06,755 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 03:33:06,755 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 03:33:06,755 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-27 03:33:06,755 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 03:33:06,755 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 03:33:06,791 INFO L134 CoverageAnalysis]: Checked inductivity of 45 backedges. 21 proven. 3 refuted. 0 times theorem prover too weak. 21 trivial. 0 not checked. [2020-10-27 03:33:06,792 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1715096177] [2020-10-27 03:33:06,792 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-27 03:33:06,792 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [15] total 15 [2020-10-27 03:33:06,792 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1622062383] [2020-10-27 03:33:06,793 INFO L461 AbstractCegarLoop]: Interpolant automaton has 15 states [2020-10-27 03:33:06,793 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-27 03:33:06,793 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2020-10-27 03:33:06,793 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=35, Invalid=175, Unknown=0, NotChecked=0, Total=210 [2020-10-27 03:33:06,794 INFO L87 Difference]: Start difference. First operand 1877 states and 2125 transitions. Second operand 15 states. [2020-10-27 03:33:07,569 WARN L193 SmtUtils]: Spent 366.00 ms on a formula simplification that was a NOOP. DAG size: 207 [2020-10-27 03:33:08,564 WARN L193 SmtUtils]: Spent 351.00 ms on a formula simplification that was a NOOP. DAG size: 207 [2020-10-27 03:33:10,079 WARN L193 SmtUtils]: Spent 381.00 ms on a formula simplification that was a NOOP. DAG size: 209 [2020-10-27 03:33:10,606 WARN L193 SmtUtils]: Spent 359.00 ms on a formula simplification that was a NOOP. DAG size: 209 [2020-10-27 03:33:12,395 WARN L193 SmtUtils]: Spent 394.00 ms on a formula simplification that was a NOOP. DAG size: 209 [2020-10-27 03:33:12,833 WARN L193 SmtUtils]: Spent 394.00 ms on a formula simplification that was a NOOP. DAG size: 209 [2020-10-27 03:33:13,317 WARN L193 SmtUtils]: Spent 421.00 ms on a formula simplification that was a NOOP. DAG size: 209 [2020-10-27 03:33:13,756 WARN L193 SmtUtils]: Spent 391.00 ms on a formula simplification that was a NOOP. DAG size: 209 [2020-10-27 03:33:14,185 WARN L193 SmtUtils]: Spent 395.00 ms on a formula simplification that was a NOOP. DAG size: 209 [2020-10-27 03:33:14,612 WARN L193 SmtUtils]: Spent 393.00 ms on a formula simplification that was a NOOP. DAG size: 209 [2020-10-27 03:33:15,093 WARN L193 SmtUtils]: Spent 390.00 ms on a formula simplification that was a NOOP. DAG size: 209 [2020-10-27 03:33:15,529 WARN L193 SmtUtils]: Spent 394.00 ms on a formula simplification that was a NOOP. DAG size: 209 [2020-10-27 03:33:17,023 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-27 03:33:17,023 INFO L93 Difference]: Finished difference Result 3296 states and 3844 transitions. [2020-10-27 03:33:17,024 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 39 states. [2020-10-27 03:33:17,024 INFO L78 Accepts]: Start accepts. Automaton has 15 states. Word has length 174 [2020-10-27 03:33:17,024 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-27 03:33:17,025 INFO L225 Difference]: With dead ends: 3296 [2020-10-27 03:33:17,025 INFO L226 Difference]: Without dead ends: 0 [2020-10-27 03:33:17,037 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 117 GetRequests, 70 SyntacticMatches, 0 SemanticMatches, 47 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 626 ImplicationChecksByTransitivity, 5.9s TimeCoverageRelationStatistics Valid=450, Invalid=1902, Unknown=0, NotChecked=0, Total=2352 [2020-10-27 03:33:17,037 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2020-10-27 03:33:17,037 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2020-10-27 03:33:17,037 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2020-10-27 03:33:17,037 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2020-10-27 03:33:17,038 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 174 [2020-10-27 03:33:17,038 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-27 03:33:17,038 INFO L481 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-10-27 03:33:17,038 INFO L482 AbstractCegarLoop]: Interpolant automaton has 15 states. [2020-10-27 03:33:17,038 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2020-10-27 03:33:17,038 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-10-27 03:33:17,039 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2020-10-27 03:33:17,041 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2020-10-27 03:33:17,215 WARN L193 SmtUtils]: Spent 151.00 ms on a formula simplification. DAG size of input: 210 DAG size of output: 208 [2020-10-27 03:33:19,805 WARN L193 SmtUtils]: Spent 2.58 s on a formula simplification. DAG size of input: 423 DAG size of output: 338 [2020-10-27 03:33:21,645 WARN L193 SmtUtils]: Spent 1.51 s on a formula simplification. DAG size of input: 425 DAG size of output: 365 [2020-10-27 03:33:22,580 WARN L193 SmtUtils]: Spent 854.00 ms on a formula simplification. DAG size of input: 420 DAG size of output: 360 [2020-10-27 03:33:23,648 WARN L193 SmtUtils]: Spent 853.00 ms on a formula simplification. DAG size of input: 420 DAG size of output: 360 [2020-10-27 03:33:24,618 WARN L193 SmtUtils]: Spent 830.00 ms on a formula simplification. DAG size of input: 426 DAG size of output: 341 [2020-10-27 03:33:25,077 WARN L193 SmtUtils]: Spent 251.00 ms on a formula simplification. DAG size of input: 308 DAG size of output: 268 [2020-10-27 03:33:26,113 WARN L193 SmtUtils]: Spent 941.00 ms on a formula simplification. DAG size of input: 425 DAG size of output: 365 [2020-10-27 03:33:26,349 WARN L193 SmtUtils]: Spent 234.00 ms on a formula simplification. DAG size of input: 302 DAG size of output: 260 [2020-10-27 03:33:27,227 WARN L193 SmtUtils]: Spent 852.00 ms on a formula simplification. DAG size of input: 426 DAG size of output: 341 [2020-10-27 03:33:27,592 WARN L193 SmtUtils]: Spent 296.00 ms on a formula simplification. DAG size of input: 308 DAG size of output: 266 [2020-10-27 03:33:28,138 WARN L193 SmtUtils]: Spent 264.00 ms on a formula simplification. DAG size of input: 305 DAG size of output: 267 [2020-10-27 03:33:29,114 WARN L193 SmtUtils]: Spent 941.00 ms on a formula simplification. DAG size of input: 423 DAG size of output: 338 [2020-10-27 03:33:29,453 WARN L193 SmtUtils]: Spent 251.00 ms on a formula simplification. DAG size of input: 302 DAG size of output: 262 [2020-10-27 03:33:30,976 WARN L193 SmtUtils]: Spent 402.00 ms on a formula simplification. DAG size of input: 367 DAG size of output: 285 [2020-10-27 03:33:33,688 WARN L193 SmtUtils]: Spent 1.58 s on a formula simplification. DAG size of input: 521 DAG size of output: 447 [2020-10-27 03:33:34,774 WARN L193 SmtUtils]: Spent 1.08 s on a formula simplification. DAG size of input: 522 DAG size of output: 443 [2020-10-27 03:33:40,318 WARN L193 SmtUtils]: Spent 106.00 ms on a formula simplification. DAG size of input: 234 DAG size of output: 225 [2020-10-27 03:33:40,509 WARN L193 SmtUtils]: Spent 104.00 ms on a formula simplification. DAG size of input: 234 DAG size of output: 225 [2020-10-27 03:33:40,630 WARN L193 SmtUtils]: Spent 107.00 ms on a formula simplification. DAG size of input: 234 DAG size of output: 225 [2020-10-27 03:33:41,066 WARN L193 SmtUtils]: Spent 107.00 ms on a formula simplification. DAG size of input: 234 DAG size of output: 225 [2020-10-27 03:33:41,252 WARN L193 SmtUtils]: Spent 109.00 ms on a formula simplification. DAG size of input: 234 DAG size of output: 225 [2020-10-27 03:33:42,609 WARN L193 SmtUtils]: Spent 1.35 s on a formula simplification. DAG size of input: 553 DAG size of output: 486 [2020-10-27 03:33:48,404 WARN L193 SmtUtils]: Spent 1.68 s on a formula simplification. DAG size of input: 606 DAG size of output: 537 [2020-10-27 03:34:03,935 WARN L193 SmtUtils]: Spent 9.58 s on a formula simplification. DAG size of input: 435 DAG size of output: 68