/usr/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.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 SingleStatement --traceabstraction.use.minimal.unsat.core.enumeration true --traceabstraction.additional.smt.options produce-proofs=true --traceabstraction.additional.smt.options produce-unsat-cores=true --traceabstraction.additional.smt.options enumeration-timeout=5000 --traceabstraction.additional.smt.options interpolation-heuristic=WIDESTAMONGSMALL --traceabstraction.additional.smt.options tolerance=0.2 --traceabstraction.additional.smt.options log-additional-information=true -s ../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf -i ../../../trunk/examples/svcomp/product-lines/minepump_spec4_product63.cil.c -------------------------------------------------------------------------------- This is Ultimate 0.1.25-c90d42b [2020-09-25 04:11:25,394 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-09-25 04:11:25,398 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-09-25 04:11:25,448 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-09-25 04:11:25,449 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-09-25 04:11:25,460 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-09-25 04:11:25,462 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-09-25 04:11:25,466 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-09-25 04:11:25,469 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-09-25 04:11:25,471 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-09-25 04:11:25,473 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-09-25 04:11:25,475 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-09-25 04:11:25,475 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-09-25 04:11:25,478 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-09-25 04:11:25,481 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-09-25 04:11:25,483 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-09-25 04:11:25,485 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-09-25 04:11:25,486 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-09-25 04:11:25,488 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-09-25 04:11:25,495 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-09-25 04:11:25,498 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-09-25 04:11:25,499 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-09-25 04:11:25,500 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-09-25 04:11:25,502 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-09-25 04:11:25,507 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-09-25 04:11:25,507 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-09-25 04:11:25,507 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-09-25 04:11:25,511 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-09-25 04:11:25,512 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-09-25 04:11:25,513 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-09-25 04:11:25,513 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-09-25 04:11:25,514 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-09-25 04:11:25,515 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-09-25 04:11:25,516 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-09-25 04:11:25,517 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-09-25 04:11:25,517 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-09-25 04:11:25,519 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-09-25 04:11:25,519 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-09-25 04:11:25,519 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-09-25 04:11:25,520 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-09-25 04:11:25,522 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-09-25 04:11:25,522 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 [2020-09-25 04:11:25,568 INFO L113 SettingsManager]: Loading preferences was successful [2020-09-25 04:11:25,568 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-09-25 04:11:25,569 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-09-25 04:11:25,570 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-09-25 04:11:25,570 INFO L138 SettingsManager]: * Use SBE=true [2020-09-25 04:11:25,570 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-09-25 04:11:25,570 INFO L138 SettingsManager]: * sizeof long=4 [2020-09-25 04:11:25,571 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-09-25 04:11:25,571 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-09-25 04:11:25,571 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-09-25 04:11:25,571 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-09-25 04:11:25,572 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-09-25 04:11:25,572 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-09-25 04:11:25,572 INFO L138 SettingsManager]: * sizeof long double=12 [2020-09-25 04:11:25,572 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-09-25 04:11:25,572 INFO L138 SettingsManager]: * Use constant arrays=true [2020-09-25 04:11:25,573 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-09-25 04:11:25,573 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-09-25 04:11:25,573 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-09-25 04:11:25,573 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-09-25 04:11:25,574 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-09-25 04:11:25,574 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-09-25 04:11:25,574 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-09-25 04:11:25,574 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-09-25 04:11:25,574 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-09-25 04:11:25,575 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-09-25 04:11:25,575 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-09-25 04:11:25,575 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-09-25 04:11:25,575 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-09-25 04:11:25,575 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode 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 -> SingleStatement Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Use minimal unsat core enumeration -> true Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=5000;interpolation-heuristic=WIDESTAMONGSMALL;tolerance=0.2;log-additional-information=true; Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=5000;interpolation-heuristic=WIDESTAMONGSMALL;tolerance=0.2;log-additional-information=true; Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=5000;interpolation-heuristic=WIDESTAMONGSMALL;tolerance=0.2;log-additional-information=true; Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=5000;interpolation-heuristic=WIDESTAMONGSMALL;tolerance=0.2;log-additional-information=true; Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=5000;interpolation-heuristic=WIDESTAMONGSMALL;tolerance=0.2;log-additional-information=true; Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=5000;interpolation-heuristic=WIDESTAMONGSMALL;tolerance=0.2;log-additional-information=true; [2020-09-25 04:11:26,015 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-09-25 04:11:26,034 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-09-25 04:11:26,038 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-09-25 04:11:26,040 INFO L271 PluginConnector]: Initializing CDTParser... [2020-09-25 04:11:26,041 INFO L275 PluginConnector]: CDTParser initialized [2020-09-25 04:11:26,042 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/product-lines/minepump_spec4_product63.cil.c [2020-09-25 04:11:26,122 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/0dab42be3/47e5a073d22e4c45920efd859c53d758/FLAG3cc35a5cd [2020-09-25 04:11:26,794 INFO L306 CDTParser]: Found 1 translation units. [2020-09-25 04:11:26,795 INFO L160 CDTParser]: Scanning /storage/repos/ultimate-2/trunk/examples/svcomp/product-lines/minepump_spec4_product63.cil.c [2020-09-25 04:11:26,812 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/0dab42be3/47e5a073d22e4c45920efd859c53d758/FLAG3cc35a5cd [2020-09-25 04:11:27,083 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/0dab42be3/47e5a073d22e4c45920efd859c53d758 [2020-09-25 04:11:27,097 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-09-25 04:11:27,102 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-09-25 04:11:27,103 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-09-25 04:11:27,103 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-09-25 04:11:27,107 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-09-25 04:11:27,109 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.09 04:11:27" (1/1) ... [2020-09-25 04:11:27,113 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@145c9163 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 04:11:27, skipping insertion in model container [2020-09-25 04:11:27,113 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.09 04:11:27" (1/1) ... [2020-09-25 04:11:27,120 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-09-25 04:11:27,184 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-09-25 04:11:27,686 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-09-25 04:11:27,709 INFO L203 MainTranslator]: Completed pre-run [2020-09-25 04:11:27,830 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-09-25 04:11:27,873 INFO L208 MainTranslator]: Completed translation [2020-09-25 04:11:27,874 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 04:11:27 WrapperNode [2020-09-25 04:11:27,874 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-09-25 04:11:27,875 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-09-25 04:11:27,875 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-09-25 04:11:27,876 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-09-25 04:11:27,893 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 04:11:27" (1/1) ... [2020-09-25 04:11:27,894 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 04:11:27" (1/1) ... [2020-09-25 04:11:27,916 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 04:11:27" (1/1) ... [2020-09-25 04:11:27,917 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 04:11:27" (1/1) ... [2020-09-25 04:11:27,952 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 04:11:27" (1/1) ... [2020-09-25 04:11:27,972 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 04:11:27" (1/1) ... [2020-09-25 04:11:27,979 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 04:11:27" (1/1) ... [2020-09-25 04:11:28,002 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-09-25 04:11:28,003 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-09-25 04:11:28,003 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-09-25 04:11:28,003 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-09-25 04:11:28,007 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 04:11:27" (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 [2020-09-25 04:11:28,120 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-09-25 04:11:28,120 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-09-25 04:11:28,121 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~X~int~TO~int [2020-09-25 04:11:28,121 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_set [2020-09-25 04:11:28,121 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_free [2020-09-25 04:11:28,121 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_reset [2020-09-25 04:11:28,121 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__error_stack_mgt [2020-09-25 04:11:28,122 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_arg [2020-09-25 04:11:28,123 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_argtype [2020-09-25 04:11:28,123 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2020-09-25 04:11:28,123 INFO L138 BoogieDeclarations]: Found implementation of procedure Specification2 [2020-09-25 04:11:28,123 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2020-09-25 04:11:28,123 INFO L138 BoogieDeclarations]: Found implementation of procedure runTest [2020-09-25 04:11:28,124 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-09-25 04:11:28,124 INFO L138 BoogieDeclarations]: Found implementation of procedure select_one [2020-09-25 04:11:28,125 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2020-09-25 04:11:28,125 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2020-09-25 04:11:28,125 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2020-09-25 04:11:28,126 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification4_spec__1 [2020-09-25 04:11:28,126 INFO L138 BoogieDeclarations]: Found implementation of procedure lowerWaterLevel [2020-09-25 04:11:28,126 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2020-09-25 04:11:28,127 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2020-09-25 04:11:28,127 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2020-09-25 04:11:28,127 INFO L138 BoogieDeclarations]: Found implementation of procedure printEnvironment [2020-09-25 04:11:28,127 INFO L138 BoogieDeclarations]: Found implementation of procedure getWaterLevel [2020-09-25 04:11:28,128 INFO L138 BoogieDeclarations]: Found implementation of procedure isHighWaterSensorDry [2020-09-25 04:11:28,128 INFO L138 BoogieDeclarations]: Found implementation of procedure isLowWaterSensorDry [2020-09-25 04:11:28,128 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2020-09-25 04:11:28,128 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2020-09-25 04:11:28,129 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__base [2020-09-25 04:11:28,129 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__highWaterSensor [2020-09-25 04:11:28,129 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__methaneQuery [2020-09-25 04:11:28,129 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment [2020-09-25 04:11:28,129 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump__wrappee__lowWaterSensor [2020-09-25 04:11:28,129 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump [2020-09-25 04:11:28,130 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivatePump [2020-09-25 04:11:28,130 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneAlarm [2020-09-25 04:11:28,130 INFO L138 BoogieDeclarations]: Found implementation of procedure isPumpRunning [2020-09-25 04:11:28,130 INFO L138 BoogieDeclarations]: Found implementation of procedure printPump [2020-09-25 04:11:28,130 INFO L138 BoogieDeclarations]: Found implementation of procedure isHighWaterLevel [2020-09-25 04:11:28,130 INFO L138 BoogieDeclarations]: Found implementation of procedure isLowWaterLevel [2020-09-25 04:11:28,131 INFO L138 BoogieDeclarations]: Found implementation of procedure stopSystem [2020-09-25 04:11:28,131 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2020-09-25 04:11:28,131 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2020-09-25 04:11:28,131 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2020-09-25 04:11:28,131 INFO L130 BoogieDeclarations]: Found specification of procedure printf [2020-09-25 04:11:28,131 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2020-09-25 04:11:28,132 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2020-09-25 04:11:28,132 INFO L130 BoogieDeclarations]: Found specification of procedure free [2020-09-25 04:11:28,132 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_set [2020-09-25 04:11:28,132 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2020-09-25 04:11:28,133 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2020-09-25 04:11:28,133 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-09-25 04:11:28,133 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2020-09-25 04:11:28,133 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_free [2020-09-25 04:11:28,134 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-09-25 04:11:28,134 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_reset [2020-09-25 04:11:28,134 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~X~int~TO~int [2020-09-25 04:11:28,134 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2020-09-25 04:11:28,134 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__error_stack_mgt [2020-09-25 04:11:28,134 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_arg [2020-09-25 04:11:28,134 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-09-25 04:11:28,135 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_argtype [2020-09-25 04:11:28,135 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2020-09-25 04:11:28,135 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2020-09-25 04:11:28,135 INFO L130 BoogieDeclarations]: Found specification of procedure printPump [2020-09-25 04:11:28,136 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2020-09-25 04:11:28,136 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2020-09-25 04:11:28,136 INFO L130 BoogieDeclarations]: Found specification of procedure Specification2 [2020-09-25 04:11:28,137 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2020-09-25 04:11:28,137 INFO L130 BoogieDeclarations]: Found specification of procedure test [2020-09-25 04:11:28,139 INFO L130 BoogieDeclarations]: Found specification of procedure runTest [2020-09-25 04:11:28,139 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2020-09-25 04:11:28,139 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2020-09-25 04:11:28,139 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2020-09-25 04:11:28,140 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-09-25 04:11:28,140 INFO L130 BoogieDeclarations]: Found specification of procedure select_one [2020-09-25 04:11:28,140 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2020-09-25 04:11:28,140 INFO L130 BoogieDeclarations]: Found specification of procedure isPumpRunning [2020-09-25 04:11:28,140 INFO L130 BoogieDeclarations]: Found specification of procedure getWaterLevel [2020-09-25 04:11:28,140 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification4_spec__1 [2020-09-25 04:11:28,140 INFO L130 BoogieDeclarations]: Found specification of procedure lowerWaterLevel [2020-09-25 04:11:28,142 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2020-09-25 04:11:28,142 INFO L130 BoogieDeclarations]: Found specification of procedure printEnvironment [2020-09-25 04:11:28,142 INFO L130 BoogieDeclarations]: Found specification of procedure isHighWaterSensorDry [2020-09-25 04:11:28,142 INFO L130 BoogieDeclarations]: Found specification of procedure isLowWaterSensorDry [2020-09-25 04:11:28,142 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump [2020-09-25 04:11:28,142 INFO L130 BoogieDeclarations]: Found specification of procedure deactivatePump [2020-09-25 04:11:28,143 INFO L130 BoogieDeclarations]: Found specification of procedure stopSystem [2020-09-25 04:11:28,143 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment [2020-09-25 04:11:28,143 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__base [2020-09-25 04:11:28,143 INFO L130 BoogieDeclarations]: Found specification of procedure isHighWaterLevel [2020-09-25 04:11:28,143 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__highWaterSensor [2020-09-25 04:11:28,143 INFO L130 BoogieDeclarations]: Found specification of procedure isLowWaterLevel [2020-09-25 04:11:28,144 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__methaneQuery [2020-09-25 04:11:28,144 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneAlarm [2020-09-25 04:11:28,144 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump__wrappee__lowWaterSensor [2020-09-25 04:11:28,144 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-09-25 04:11:28,144 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-09-25 04:11:28,144 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-09-25 04:11:29,478 INFO L290 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-09-25 04:11:29,479 INFO L295 CfgBuilder]: Removed 5 assume(true) statements. [2020-09-25 04:11:29,487 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.09 04:11:29 BoogieIcfgContainer [2020-09-25 04:11:29,487 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-09-25 04:11:29,488 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-09-25 04:11:29,489 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-09-25 04:11:29,493 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-09-25 04:11:29,493 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 25.09 04:11:27" (1/3) ... [2020-09-25 04:11:29,494 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1f9e009d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 25.09 04:11:29, skipping insertion in model container [2020-09-25 04:11:29,494 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 04:11:27" (2/3) ... [2020-09-25 04:11:29,495 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1f9e009d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 25.09 04:11:29, skipping insertion in model container [2020-09-25 04:11:29,495 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.09 04:11:29" (3/3) ... [2020-09-25 04:11:29,497 INFO L109 eAbstractionObserver]: Analyzing ICFG minepump_spec4_product63.cil.c [2020-09-25 04:11:29,511 INFO L157 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:Craig_NestedInterpolation Determinization: PREDICATE_ABSTRACTION [2020-09-25 04:11:29,523 INFO L169 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-09-25 04:11:29,548 INFO L251 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-09-25 04:11:29,584 INFO L375 AbstractCegarLoop]: Interprodecural is true [2020-09-25 04:11:29,585 INFO L376 AbstractCegarLoop]: Hoare is true [2020-09-25 04:11:29,585 INFO L377 AbstractCegarLoop]: Compute interpolants for Craig_NestedInterpolation [2020-09-25 04:11:29,585 INFO L378 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-09-25 04:11:29,585 INFO L379 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-09-25 04:11:29,586 INFO L380 AbstractCegarLoop]: Difference is false [2020-09-25 04:11:29,586 INFO L381 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-09-25 04:11:29,586 INFO L385 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-09-25 04:11:29,619 INFO L276 IsEmpty]: Start isEmpty. Operand 352 states. [2020-09-25 04:11:29,639 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 143 [2020-09-25 04:11:29,640 INFO L414 BasicCegarLoop]: Found error trace [2020-09-25 04:11:29,641 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-09-25 04:11:29,642 INFO L427 AbstractCegarLoop]: === Iteration 1 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-25 04:11:29,650 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-25 04:11:29,651 INFO L82 PathProgramCache]: Analyzing trace with hash 678471582, now seen corresponding path program 1 times [2020-09-25 04:11:29,665 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-25 04:11:29,665 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1090891848] [2020-09-25 04:11:29,666 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-25 04:11:30,041 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 04:11:30,175 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 04:11:30,419 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 04:11:31,888 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 04:11:33,012 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 04:11:35,059 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 04:11:35,059 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 173 [2020-09-25 04:11:35,060 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 4 [2020-09-25 04:11:35,060 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5007 [2020-09-25 04:11:35,073 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 04:11:35,073 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-09-25 04:11:35,074 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 04:11:35,074 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 129 [2020-09-25 04:11:35,074 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 04:11:35,075 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 6 [2020-09-25 04:11:35,548 WARN L193 SmtUtils]: Spent 315.00 ms on a formula simplification that was a NOOP. DAG size: 184 [2020-09-25 04:11:35,552 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-25 04:11:35,588 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 04:11:35,603 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 04:11:35,756 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 04:11:35,757 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 85 [2020-09-25 04:11:35,757 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 04:11:35,758 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 166 [2020-09-25 04:11:35,758 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 04:11:35,759 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-09-25 04:11:35,759 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 04:11:35,759 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 04:11:35,760 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 04:11:35,760 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 2 [2020-09-25 04:11:35,845 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2020-09-25 04:11:35,846 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 04:11:35,848 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 04:11:35,851 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 04:11:35,851 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 04:11:35,851 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 04:11:35,851 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-25 04:11:35,852 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 04:11:35,852 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-09-25 04:11:35,853 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 04:11:35,853 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 04:11:35,853 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 04:11:35,854 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 2 [2020-09-25 04:11:35,856 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 86 [2020-09-25 04:11:35,857 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 04:11:35,858 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 04:11:35,861 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 04:11:35,862 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 04:11:35,862 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 04:11:35,863 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-25 04:11:35,863 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 04:11:35,863 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-09-25 04:11:35,864 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 04:11:35,864 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 04:11:35,865 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 04:11:35,865 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 2 [2020-09-25 04:11:35,867 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2020-09-25 04:11:35,868 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 04:11:35,870 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 04:11:35,876 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 04:11:35,876 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 04:11:35,877 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 04:11:35,877 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-09-25 04:11:35,877 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 04:11:35,878 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-09-25 04:11:35,878 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 04:11:35,879 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 04:11:35,879 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 04:11:35,879 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 2 [2020-09-25 04:11:35,882 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 99 [2020-09-25 04:11:35,883 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 04:11:35,885 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 04:11:35,887 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 04:11:35,888 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 04:11:35,888 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 04:11:35,889 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-25 04:11:35,889 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 04:11:35,890 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-09-25 04:11:35,890 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 04:11:35,890 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 04:11:35,891 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 04:11:35,891 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 2 [2020-09-25 04:11:35,893 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 120 [2020-09-25 04:11:35,894 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 04:11:35,896 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 04:11:35,899 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 04:11:35,900 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 04:11:35,900 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 04:11:35,900 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-09-25 04:11:35,901 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 04:11:35,901 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-09-25 04:11:35,902 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 04:11:35,902 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-09-25 04:11:35,902 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 04:11:35,903 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 2 [2020-09-25 04:11:35,905 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 130 [2020-09-25 04:11:35,907 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 04:11:35,909 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 04:11:35,912 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 04:11:35,912 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 04:11:35,913 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 04:11:35,913 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-09-25 04:11:35,914 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 04:11:35,914 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-09-25 04:11:35,914 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 04:11:35,915 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-09-25 04:11:35,915 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 04:11:35,916 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 2 [2020-09-25 04:11:35,966 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-09-25 04:11:35,967 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1090891848] [2020-09-25 04:11:35,970 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-25 04:11:35,971 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-09-25 04:11:35,972 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [622829840] [2020-09-25 04:11:35,980 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-09-25 04:11:35,981 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-25 04:11:36,008 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-09-25 04:11:36,010 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-09-25 04:11:36,014 INFO L87 Difference]: Start difference. First operand 352 states. Second operand 3 states. [2020-09-25 04:11:37,919 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-25 04:11:37,920 INFO L93 Difference]: Finished difference Result 575 states and 684 transitions. [2020-09-25 04:11:37,920 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-09-25 04:11:37,922 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 142 [2020-09-25 04:11:37,924 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-25 04:11:37,943 INFO L225 Difference]: With dead ends: 575 [2020-09-25 04:11:37,944 INFO L226 Difference]: Without dead ends: 348 [2020-09-25 04:11:37,950 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 16 GetRequests, 15 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-09-25 04:11:37,973 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 348 states. [2020-09-25 04:11:38,066 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 348 to 301. [2020-09-25 04:11:38,067 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 301 states. [2020-09-25 04:11:38,070 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 301 states to 301 states and 331 transitions. [2020-09-25 04:11:38,072 INFO L78 Accepts]: Start accepts. Automaton has 301 states and 331 transitions. Word has length 142 [2020-09-25 04:11:38,073 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-25 04:11:38,073 INFO L479 AbstractCegarLoop]: Abstraction has 301 states and 331 transitions. [2020-09-25 04:11:38,073 INFO L480 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-09-25 04:11:38,074 INFO L276 IsEmpty]: Start isEmpty. Operand 301 states and 331 transitions. [2020-09-25 04:11:38,078 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 144 [2020-09-25 04:11:38,078 INFO L414 BasicCegarLoop]: Found error trace [2020-09-25 04:11:38,078 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-09-25 04:11:38,079 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-09-25 04:11:38,079 INFO L427 AbstractCegarLoop]: === Iteration 2 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-25 04:11:38,079 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-25 04:11:38,079 INFO L82 PathProgramCache]: Analyzing trace with hash 999725193, now seen corresponding path program 1 times [2020-09-25 04:11:38,080 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-25 04:11:38,080 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1187109701] [2020-09-25 04:11:38,080 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-25 04:11:38,136 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 04:11:38,192 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 04:11:38,285 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 04:11:39,782 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 04:11:40,195 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 04:11:41,207 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 04:11:43,178 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 04:11:43,179 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 174 [2020-09-25 04:11:43,179 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 5 [2020-09-25 04:11:43,180 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5039 [2020-09-25 04:11:43,180 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 04:11:43,180 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-09-25 04:11:43,181 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 04:11:43,182 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 128 [2020-09-25 04:11:43,182 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 3 [2020-09-25 04:11:43,182 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 2 [2020-09-25 04:11:43,482 WARN L193 SmtUtils]: Spent 219.00 ms on a formula simplification that was a NOOP. DAG size: 184 [2020-09-25 04:11:43,483 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-25 04:11:43,495 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 04:11:43,513 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 04:11:43,614 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 04:11:43,614 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 85 [2020-09-25 04:11:43,615 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 04:11:43,615 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 116 [2020-09-25 04:11:43,615 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 04:11:43,615 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-09-25 04:11:43,616 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 04:11:43,616 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 04:11:43,616 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 04:11:43,616 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 04:11:43,647 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2020-09-25 04:11:43,647 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 04:11:43,648 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 04:11:43,650 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 04:11:43,650 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 04:11:43,650 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 04:11:43,650 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-25 04:11:43,651 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 04:11:43,651 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-09-25 04:11:43,651 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 04:11:43,651 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 04:11:43,651 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 04:11:43,652 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 04:11:43,653 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 86 [2020-09-25 04:11:43,653 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 04:11:43,654 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 04:11:43,656 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 04:11:43,656 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 04:11:43,656 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 04:11:43,656 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-25 04:11:43,657 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 04:11:43,657 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-09-25 04:11:43,657 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 04:11:43,657 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 04:11:43,658 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 04:11:43,658 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 04:11:43,659 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2020-09-25 04:11:43,659 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 04:11:43,661 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 04:11:43,664 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 04:11:43,664 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 04:11:43,665 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 04:11:43,665 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-09-25 04:11:43,665 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 04:11:43,665 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-09-25 04:11:43,665 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 04:11:43,666 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 04:11:43,666 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 04:11:43,666 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 04:11:43,668 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 99 [2020-09-25 04:11:43,668 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 04:11:43,669 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 04:11:43,670 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 04:11:43,671 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 04:11:43,671 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 04:11:43,671 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-25 04:11:43,671 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 04:11:43,671 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-09-25 04:11:43,672 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 04:11:43,672 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 04:11:43,672 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 04:11:43,672 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 04:11:43,673 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 121 [2020-09-25 04:11:43,674 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 04:11:43,675 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 04:11:43,677 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 04:11:43,677 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 04:11:43,677 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 04:11:43,677 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-25 04:11:43,677 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 04:11:43,678 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-09-25 04:11:43,678 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 04:11:43,678 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-09-25 04:11:43,678 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 04:11:43,678 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 04:11:43,680 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 131 [2020-09-25 04:11:43,680 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 04:11:43,682 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 04:11:43,683 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 04:11:43,683 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 04:11:43,683 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 04:11:43,683 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-25 04:11:43,684 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 04:11:43,684 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-09-25 04:11:43,684 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 04:11:43,684 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-09-25 04:11:43,685 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 04:11:43,685 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 04:11:43,708 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-09-25 04:11:43,708 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1187109701] [2020-09-25 04:11:43,709 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-25 04:11:43,709 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2020-09-25 04:11:43,709 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1814352393] [2020-09-25 04:11:43,712 INFO L459 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-09-25 04:11:43,712 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-25 04:11:43,712 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-09-25 04:11:43,713 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2020-09-25 04:11:43,713 INFO L87 Difference]: Start difference. First operand 301 states and 331 transitions. Second operand 4 states. [2020-09-25 04:11:44,362 WARN L193 SmtUtils]: Spent 258.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-09-25 04:11:45,777 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-25 04:11:45,778 INFO L93 Difference]: Finished difference Result 486 states and 551 transitions. [2020-09-25 04:11:45,781 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-09-25 04:11:45,781 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 143 [2020-09-25 04:11:45,783 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-25 04:11:45,786 INFO L225 Difference]: With dead ends: 486 [2020-09-25 04:11:45,787 INFO L226 Difference]: Without dead ends: 331 [2020-09-25 04:11:45,788 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 18 GetRequests, 15 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2020-09-25 04:11:45,789 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 331 states. [2020-09-25 04:11:45,838 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 331 to 291. [2020-09-25 04:11:45,838 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 291 states. [2020-09-25 04:11:45,840 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 291 states to 291 states and 318 transitions. [2020-09-25 04:11:45,840 INFO L78 Accepts]: Start accepts. Automaton has 291 states and 318 transitions. Word has length 143 [2020-09-25 04:11:45,841 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-25 04:11:45,841 INFO L479 AbstractCegarLoop]: Abstraction has 291 states and 318 transitions. [2020-09-25 04:11:45,841 INFO L480 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-09-25 04:11:45,841 INFO L276 IsEmpty]: Start isEmpty. Operand 291 states and 318 transitions. [2020-09-25 04:11:45,843 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 153 [2020-09-25 04:11:45,843 INFO L414 BasicCegarLoop]: Found error trace [2020-09-25 04:11:45,844 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-09-25 04:11:45,844 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-09-25 04:11:45,844 INFO L427 AbstractCegarLoop]: === Iteration 3 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-25 04:11:45,844 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-25 04:11:45,845 INFO L82 PathProgramCache]: Analyzing trace with hash 1892651662, now seen corresponding path program 1 times [2020-09-25 04:11:45,845 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-25 04:11:45,845 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [759553933] [2020-09-25 04:11:45,845 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-25 04:11:45,893 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 04:11:45,944 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 04:11:46,589 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 04:11:47,122 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 04:11:50,895 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 04:11:50,896 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 181 [2020-09-25 04:11:50,896 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-09-25 04:11:50,896 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5000 [2020-09-25 04:11:50,896 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 04:11:50,897 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-09-25 04:11:50,897 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-09-25 04:11:50,897 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 146 [2020-09-25 04:11:50,897 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 31 [2020-09-25 04:11:50,897 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 04:11:51,221 WARN L193 SmtUtils]: Spent 219.00 ms on a formula simplification that was a NOOP. DAG size: 184 [2020-09-25 04:11:51,222 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-25 04:11:51,230 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 04:11:51,238 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 04:11:51,325 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 04:11:51,325 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 85 [2020-09-25 04:11:51,326 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 04:11:51,326 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 94 [2020-09-25 04:11:51,326 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 04:11:51,326 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-09-25 04:11:51,326 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 04:11:51,327 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 04:11:51,327 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 04:11:51,327 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 04:11:51,358 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2020-09-25 04:11:51,359 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 04:11:51,360 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 04:11:51,361 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 04:11:51,362 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 04:11:51,362 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 04:11:51,362 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-25 04:11:51,362 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 04:11:51,362 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-09-25 04:11:51,363 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 04:11:51,363 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 04:11:51,363 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 04:11:51,363 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 04:11:51,364 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 86 [2020-09-25 04:11:51,365 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 04:11:51,366 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 04:11:51,367 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 04:11:51,367 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 04:11:51,367 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 04:11:51,367 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-25 04:11:51,368 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 04:11:51,368 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-09-25 04:11:51,368 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 04:11:51,368 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 04:11:51,369 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 04:11:51,369 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 04:11:51,370 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2020-09-25 04:11:51,370 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 04:11:51,371 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 04:11:51,375 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 04:11:51,375 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 04:11:51,375 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 04:11:51,375 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-25 04:11:51,375 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 04:11:51,376 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-09-25 04:11:51,376 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 04:11:51,376 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 04:11:51,376 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 04:11:51,377 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 04:11:51,378 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 99 [2020-09-25 04:11:51,378 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 04:11:51,379 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 04:11:51,381 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 04:11:51,381 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 04:11:51,381 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 04:11:51,381 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-25 04:11:51,381 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 04:11:51,382 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-09-25 04:11:51,382 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 04:11:51,382 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 04:11:51,382 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 04:11:51,382 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 04:11:51,383 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 130 [2020-09-25 04:11:51,384 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 04:11:51,386 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 04:11:51,388 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 04:11:51,388 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 04:11:51,389 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 04:11:51,389 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-25 04:11:51,389 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 04:11:51,389 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-09-25 04:11:51,389 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 04:11:51,390 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 04:11:51,390 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-09-25 04:11:51,390 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 04:11:51,392 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 140 [2020-09-25 04:11:51,393 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 04:11:51,395 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 04:11:51,400 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 04:11:51,400 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 04:11:51,400 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 04:11:51,401 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-09-25 04:11:51,401 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 04:11:51,401 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-09-25 04:11:51,401 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-09-25 04:11:51,401 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 04:11:51,402 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-09-25 04:11:51,402 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 04:11:51,465 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-09-25 04:11:51,466 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [759553933] [2020-09-25 04:11:51,466 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-25 04:11:51,466 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2020-09-25 04:11:51,467 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1076764784] [2020-09-25 04:11:51,468 INFO L459 AbstractCegarLoop]: Interpolant automaton has 8 states [2020-09-25 04:11:51,468 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-25 04:11:51,468 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2020-09-25 04:11:51,469 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=43, Unknown=0, NotChecked=0, Total=56 [2020-09-25 04:11:51,469 INFO L87 Difference]: Start difference. First operand 291 states and 318 transitions. Second operand 8 states. [2020-09-25 04:11:52,217 WARN L193 SmtUtils]: Spent 302.00 ms on a formula simplification that was a NOOP. DAG size: 186 [2020-09-25 04:11:53,404 WARN L193 SmtUtils]: Spent 274.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-09-25 04:11:53,730 WARN L193 SmtUtils]: Spent 265.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-09-25 04:11:54,047 WARN L193 SmtUtils]: Spent 270.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-09-25 04:11:54,358 WARN L193 SmtUtils]: Spent 265.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-09-25 04:11:54,667 WARN L193 SmtUtils]: Spent 272.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-09-25 04:11:55,571 WARN L193 SmtUtils]: Spent 272.00 ms on a formula simplification that was a NOOP. DAG size: 186 [2020-09-25 04:11:55,891 WARN L193 SmtUtils]: Spent 286.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-09-25 04:11:56,236 WARN L193 SmtUtils]: Spent 256.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-09-25 04:11:57,361 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-25 04:11:57,361 INFO L93 Difference]: Finished difference Result 614 states and 717 transitions. [2020-09-25 04:11:57,368 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2020-09-25 04:11:57,368 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 152 [2020-09-25 04:11:57,369 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-25 04:11:57,373 INFO L225 Difference]: With dead ends: 614 [2020-09-25 04:11:57,373 INFO L226 Difference]: Without dead ends: 433 [2020-09-25 04:11:57,379 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 31 GetRequests, 16 SyntacticMatches, 0 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 29 ImplicationChecksByTransitivity, 2.8s TimeCoverageRelationStatistics Valid=71, Invalid=201, Unknown=0, NotChecked=0, Total=272 [2020-09-25 04:11:57,381 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 433 states. [2020-09-25 04:11:57,455 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 433 to 402. [2020-09-25 04:11:57,455 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 402 states. [2020-09-25 04:11:57,458 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 402 states to 402 states and 449 transitions. [2020-09-25 04:11:57,459 INFO L78 Accepts]: Start accepts. Automaton has 402 states and 449 transitions. Word has length 152 [2020-09-25 04:11:57,459 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-25 04:11:57,460 INFO L479 AbstractCegarLoop]: Abstraction has 402 states and 449 transitions. [2020-09-25 04:11:57,460 INFO L480 AbstractCegarLoop]: Interpolant automaton has 8 states. [2020-09-25 04:11:57,460 INFO L276 IsEmpty]: Start isEmpty. Operand 402 states and 449 transitions. [2020-09-25 04:11:57,462 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 218 [2020-09-25 04:11:57,462 INFO L414 BasicCegarLoop]: Found error trace [2020-09-25 04:11:57,463 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-09-25 04:11:57,463 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-09-25 04:11:57,463 INFO L427 AbstractCegarLoop]: === Iteration 4 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-25 04:11:57,463 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-25 04:11:57,464 INFO L82 PathProgramCache]: Analyzing trace with hash -1008542969, now seen corresponding path program 1 times [2020-09-25 04:11:57,464 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-25 04:11:57,464 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [134563857] [2020-09-25 04:11:57,464 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-25 04:11:57,515 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 04:11:57,577 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 04:11:58,028 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 04:12:02,537 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 04:12:02,537 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 264 [2020-09-25 04:12:02,537 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-09-25 04:12:02,537 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5017 [2020-09-25 04:12:02,537 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 04:12:02,537 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-09-25 04:12:02,538 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-09-25 04:12:02,538 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 182 [2020-09-25 04:12:02,538 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 9 [2020-09-25 04:12:02,538 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 04:12:02,831 WARN L193 SmtUtils]: Spent 235.00 ms on a formula simplification that was a NOOP. DAG size: 184 [2020-09-25 04:12:02,832 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-25 04:12:02,842 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 04:12:02,863 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 04:12:02,965 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 04:12:02,965 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 85 [2020-09-25 04:12:02,966 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 04:12:02,966 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 121 [2020-09-25 04:12:02,966 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 04:12:02,966 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-09-25 04:12:02,967 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 04:12:02,967 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 04:12:02,967 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 04:12:02,967 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 04:12:02,999 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2020-09-25 04:12:03,001 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 04:12:03,002 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 04:12:03,004 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 04:12:03,004 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 04:12:03,004 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 04:12:03,004 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-25 04:12:03,005 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 04:12:03,005 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-09-25 04:12:03,005 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 04:12:03,005 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 04:12:03,006 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 04:12:03,006 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 04:12:03,007 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 86 [2020-09-25 04:12:03,008 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 04:12:03,009 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 04:12:03,010 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 04:12:03,010 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 04:12:03,010 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 04:12:03,010 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-25 04:12:03,011 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 04:12:03,011 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-09-25 04:12:03,011 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 04:12:03,011 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 04:12:03,011 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 04:12:03,012 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 04:12:03,013 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2020-09-25 04:12:03,013 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 04:12:03,014 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 04:12:03,017 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 04:12:03,017 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 04:12:03,018 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 04:12:03,018 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-25 04:12:03,018 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 04:12:03,018 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-09-25 04:12:03,018 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 04:12:03,019 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 04:12:03,019 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 04:12:03,019 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 04:12:03,021 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 99 [2020-09-25 04:12:03,021 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 04:12:03,022 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 04:12:03,023 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 04:12:03,024 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 04:12:03,024 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 04:12:03,024 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-25 04:12:03,024 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 04:12:03,024 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-09-25 04:12:03,025 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 04:12:03,025 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 04:12:03,025 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 04:12:03,025 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 04:12:03,034 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 127 [2020-09-25 04:12:03,043 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 04:12:03,055 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 04:12:03,154 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 04:12:03,154 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 86 [2020-09-25 04:12:03,154 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 04:12:03,155 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 108 [2020-09-25 04:12:03,155 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 04:12:03,155 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-09-25 04:12:03,155 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-09-25 04:12:03,156 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 34 [2020-09-25 04:12:03,156 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 9 [2020-09-25 04:12:03,156 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 04:12:03,165 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-25 04:12:03,173 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 04:12:03,224 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 04:12:03,318 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 04:12:03,318 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 79 [2020-09-25 04:12:03,318 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 04:12:03,319 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 100 [2020-09-25 04:12:03,319 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 04:12:03,319 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-09-25 04:12:03,319 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-09-25 04:12:03,319 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 29 [2020-09-25 04:12:03,319 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 9 [2020-09-25 04:12:03,319 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 04:12:03,325 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-25 04:12:03,329 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 04:12:03,335 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 04:12:03,417 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 04:12:03,417 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 72 [2020-09-25 04:12:03,418 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 04:12:03,418 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 86 [2020-09-25 04:12:03,418 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 04:12:03,419 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-09-25 04:12:03,419 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-09-25 04:12:03,419 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 24 [2020-09-25 04:12:03,420 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 9 [2020-09-25 04:12:03,420 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 04:12:03,446 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-25 04:12:03,449 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 04:12:03,453 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 04:12:03,484 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 04:12:03,485 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 27 [2020-09-25 04:12:03,485 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 04:12:03,485 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 34 [2020-09-25 04:12:03,485 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 04:12:03,486 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-09-25 04:12:03,486 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-09-25 04:12:03,486 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 04:12:03,486 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 22 [2020-09-25 04:12:03,487 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 04:12:03,536 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-25 04:12:03,537 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 04:12:03,539 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 04:12:03,542 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 04:12:03,542 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-09-25 04:12:03,543 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 04:12:03,543 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-09-25 04:12:03,543 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 04:12:03,544 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-09-25 04:12:03,544 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 04:12:03,544 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 04:12:03,544 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 04:12:03,544 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 04:12:03,546 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2020-09-25 04:12:03,548 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 04:12:03,552 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 04:12:03,562 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 04:12:03,562 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 37 [2020-09-25 04:12:03,563 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 04:12:03,563 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 13 [2020-09-25 04:12:03,563 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 04:12:03,563 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-09-25 04:12:03,564 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 04:12:03,564 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 34 [2020-09-25 04:12:03,564 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 04:12:03,564 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 04:12:03,567 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-09-25 04:12:03,568 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 04:12:03,569 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 04:12:03,571 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 04:12:03,571 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 21 [2020-09-25 04:12:03,571 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 04:12:03,571 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-25 04:12:03,572 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 04:12:03,572 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-09-25 04:12:03,572 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 04:12:03,572 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 04:12:03,573 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 04:12:03,573 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 04:12:03,575 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-09-25 04:12:03,575 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 04:12:03,576 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 04:12:03,578 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 04:12:03,578 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 04:12:03,578 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 04:12:03,578 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-25 04:12:03,579 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 04:12:03,579 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-09-25 04:12:03,579 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 04:12:03,579 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 04:12:03,580 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 04:12:03,580 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 04:12:03,582 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2020-09-25 04:12:03,582 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 04:12:03,583 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 04:12:03,585 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 04:12:03,585 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-25 04:12:03,586 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 04:12:03,586 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-25 04:12:03,586 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 04:12:03,586 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-09-25 04:12:03,587 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 04:12:03,587 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 04:12:03,587 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 04:12:03,587 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 04:12:03,597 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 195 [2020-09-25 04:12:03,598 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 04:12:03,600 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 04:12:03,601 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 04:12:03,601 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 04:12:03,601 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 04:12:03,601 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-25 04:12:03,601 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 04:12:03,602 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-09-25 04:12:03,602 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 04:12:03,602 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-09-25 04:12:03,602 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 04:12:03,602 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 04:12:03,604 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 205 [2020-09-25 04:12:03,605 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 04:12:03,606 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 04:12:03,607 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 04:12:03,607 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 04:12:03,608 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 04:12:03,608 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-25 04:12:03,608 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 04:12:03,608 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-09-25 04:12:03,608 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 04:12:03,609 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-09-25 04:12:03,609 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 04:12:03,609 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 04:12:03,656 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-09-25 04:12:03,656 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [134563857] [2020-09-25 04:12:03,657 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-25 04:12:03,657 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2020-09-25 04:12:03,657 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1207047044] [2020-09-25 04:12:03,658 INFO L459 AbstractCegarLoop]: Interpolant automaton has 9 states [2020-09-25 04:12:03,658 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-25 04:12:03,658 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2020-09-25 04:12:03,659 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=56, Unknown=0, NotChecked=0, Total=72 [2020-09-25 04:12:03,659 INFO L87 Difference]: Start difference. First operand 402 states and 449 transitions. Second operand 9 states. [2020-09-25 04:12:05,247 WARN L193 SmtUtils]: Spent 276.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-09-25 04:12:05,573 WARN L193 SmtUtils]: Spent 301.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-25 04:12:05,933 WARN L193 SmtUtils]: Spent 332.00 ms on a formula simplification that was a NOOP. DAG size: 194 [2020-09-25 04:12:06,264 WARN L193 SmtUtils]: Spent 280.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-09-25 04:12:06,587 WARN L193 SmtUtils]: Spent 278.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-25 04:12:06,882 WARN L193 SmtUtils]: Spent 267.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-09-25 04:12:08,161 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-25 04:12:08,162 INFO L93 Difference]: Finished difference Result 761 states and 902 transitions. [2020-09-25 04:12:08,163 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2020-09-25 04:12:08,164 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 217 [2020-09-25 04:12:08,165 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-25 04:12:08,169 INFO L225 Difference]: With dead ends: 761 [2020-09-25 04:12:08,170 INFO L226 Difference]: Without dead ends: 469 [2020-09-25 04:12:08,171 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 48 GetRequests, 35 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 16 ImplicationChecksByTransitivity, 2.1s TimeCoverageRelationStatistics Valid=55, Invalid=155, Unknown=0, NotChecked=0, Total=210 [2020-09-25 04:12:08,172 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 469 states. [2020-09-25 04:12:08,214 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 469 to 413. [2020-09-25 04:12:08,214 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 413 states. [2020-09-25 04:12:08,217 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 413 states to 413 states and 460 transitions. [2020-09-25 04:12:08,217 INFO L78 Accepts]: Start accepts. Automaton has 413 states and 460 transitions. Word has length 217 [2020-09-25 04:12:08,218 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-25 04:12:08,218 INFO L479 AbstractCegarLoop]: Abstraction has 413 states and 460 transitions. [2020-09-25 04:12:08,218 INFO L480 AbstractCegarLoop]: Interpolant automaton has 9 states. [2020-09-25 04:12:08,218 INFO L276 IsEmpty]: Start isEmpty. Operand 413 states and 460 transitions. [2020-09-25 04:12:08,221 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 218 [2020-09-25 04:12:08,221 INFO L414 BasicCegarLoop]: Found error trace [2020-09-25 04:12:08,221 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-09-25 04:12:08,222 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2020-09-25 04:12:08,222 INFO L427 AbstractCegarLoop]: === Iteration 5 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-25 04:12:08,222 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-25 04:12:08,222 INFO L82 PathProgramCache]: Analyzing trace with hash -1783241049, now seen corresponding path program 1 times [2020-09-25 04:12:08,223 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-25 04:12:08,223 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1572308735] [2020-09-25 04:12:08,223 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-25 04:12:08,267 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 04:12:08,319 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 04:12:08,704 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 04:12:13,151 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 04:12:13,151 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 264 [2020-09-25 04:12:13,151 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-09-25 04:12:13,151 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4880 [2020-09-25 04:12:13,151 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 04:12:13,152 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-09-25 04:12:13,152 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-09-25 04:12:13,152 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 174 [2020-09-25 04:12:13,152 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-09-25 04:12:13,152 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 04:12:13,483 WARN L193 SmtUtils]: Spent 272.00 ms on a formula simplification that was a NOOP. DAG size: 184 [2020-09-25 04:12:13,484 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-25 04:12:13,493 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 04:12:13,503 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 04:12:13,610 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 04:12:13,610 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 85 [2020-09-25 04:12:13,611 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 04:12:13,611 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 115 [2020-09-25 04:12:13,611 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 04:12:13,612 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-09-25 04:12:13,612 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 04:12:13,612 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 04:12:13,612 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 04:12:13,613 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 04:12:13,652 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2020-09-25 04:12:13,652 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 04:12:13,655 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 04:12:13,657 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 04:12:13,657 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 04:12:13,658 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 04:12:13,658 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-25 04:12:13,658 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 04:12:13,659 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-09-25 04:12:13,659 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 04:12:13,659 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 04:12:13,660 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 04:12:13,660 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 04:12:13,661 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 86 [2020-09-25 04:12:13,662 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 04:12:13,666 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 04:12:13,668 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 04:12:13,668 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 04:12:13,668 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 04:12:13,669 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-09-25 04:12:13,669 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 04:12:13,669 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-09-25 04:12:13,670 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 04:12:13,670 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 04:12:13,670 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 04:12:13,671 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 04:12:13,672 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2020-09-25 04:12:13,673 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 04:12:13,674 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 04:12:13,678 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 04:12:13,678 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 04:12:13,678 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 04:12:13,679 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-09-25 04:12:13,679 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 04:12:13,680 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-09-25 04:12:13,680 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 04:12:13,680 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 04:12:13,681 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 04:12:13,681 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 04:12:13,683 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 99 [2020-09-25 04:12:13,683 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 04:12:13,684 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 04:12:13,686 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 04:12:13,686 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 04:12:13,687 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 04:12:13,687 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-25 04:12:13,687 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 04:12:13,688 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-09-25 04:12:13,688 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 04:12:13,688 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 04:12:13,689 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 04:12:13,689 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 04:12:13,697 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 127 [2020-09-25 04:12:13,706 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 04:12:13,718 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 04:12:13,807 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 04:12:13,808 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 86 [2020-09-25 04:12:13,808 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 04:12:13,809 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 98 [2020-09-25 04:12:13,809 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 04:12:13,809 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-09-25 04:12:13,810 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-09-25 04:12:13,810 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 26 [2020-09-25 04:12:13,810 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-09-25 04:12:13,811 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 04:12:13,816 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-25 04:12:13,822 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 04:12:13,829 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 04:12:13,902 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 04:12:13,902 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 79 [2020-09-25 04:12:13,902 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 04:12:13,903 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 78 [2020-09-25 04:12:13,903 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 04:12:13,903 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-09-25 04:12:13,904 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-09-25 04:12:13,904 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 21 [2020-09-25 04:12:13,905 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-09-25 04:12:13,905 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 04:12:13,912 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-25 04:12:13,917 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 04:12:13,923 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 04:12:13,998 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 04:12:13,999 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 72 [2020-09-25 04:12:13,999 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 04:12:14,000 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 80 [2020-09-25 04:12:14,000 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 04:12:14,001 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-09-25 04:12:14,001 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-09-25 04:12:14,001 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 16 [2020-09-25 04:12:14,002 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-09-25 04:12:14,002 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 04:12:14,007 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-25 04:12:14,009 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 04:12:14,013 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 04:12:14,043 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 04:12:14,043 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 27 [2020-09-25 04:12:14,044 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 04:12:14,044 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 32 [2020-09-25 04:12:14,045 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 04:12:14,045 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-09-25 04:12:14,045 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-09-25 04:12:14,046 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 11 [2020-09-25 04:12:14,046 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-09-25 04:12:14,047 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 2 [2020-09-25 04:12:14,074 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-25 04:12:14,076 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 04:12:14,078 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 04:12:14,084 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 04:12:14,084 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-09-25 04:12:14,085 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 04:12:14,085 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-09-25 04:12:14,086 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 04:12:14,086 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-09-25 04:12:14,087 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-09-25 04:12:14,087 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 04:12:14,087 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-09-25 04:12:14,088 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 2 [2020-09-25 04:12:14,124 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2020-09-25 04:12:14,127 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 04:12:14,133 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 04:12:14,143 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 04:12:14,143 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 37 [2020-09-25 04:12:14,144 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 04:12:14,144 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 15 [2020-09-25 04:12:14,145 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 04:12:14,145 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-09-25 04:12:14,146 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 04:12:14,146 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 34 [2020-09-25 04:12:14,146 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 04:12:14,147 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 2 [2020-09-25 04:12:14,150 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-09-25 04:12:14,151 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 04:12:14,153 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 04:12:14,155 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 04:12:14,155 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 21 [2020-09-25 04:12:14,156 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 04:12:14,156 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-25 04:12:14,156 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 04:12:14,157 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-09-25 04:12:14,157 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 04:12:14,158 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 04:12:14,158 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 04:12:14,159 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 2 [2020-09-25 04:12:14,161 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-09-25 04:12:14,162 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 04:12:14,163 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 04:12:14,165 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 04:12:14,165 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 04:12:14,166 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 04:12:14,166 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-25 04:12:14,166 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 04:12:14,167 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-09-25 04:12:14,167 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 04:12:14,168 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 04:12:14,168 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 04:12:14,169 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 2 [2020-09-25 04:12:14,171 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2020-09-25 04:12:14,172 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 04:12:14,173 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 04:12:14,176 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 04:12:14,177 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-25 04:12:14,177 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 04:12:14,178 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-09-25 04:12:14,178 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 04:12:14,179 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-09-25 04:12:14,179 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 04:12:14,179 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 04:12:14,180 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 04:12:14,180 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 2 [2020-09-25 04:12:14,194 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 195 [2020-09-25 04:12:14,195 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 04:12:14,197 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 04:12:14,198 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 04:12:14,198 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 04:12:14,198 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 04:12:14,199 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-25 04:12:14,199 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 04:12:14,199 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-09-25 04:12:14,199 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 04:12:14,200 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-09-25 04:12:14,200 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 04:12:14,200 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 04:12:14,201 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 205 [2020-09-25 04:12:14,202 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 04:12:14,203 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 04:12:14,205 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 04:12:14,205 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 04:12:14,205 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 04:12:14,205 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-25 04:12:14,205 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 04:12:14,206 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-09-25 04:12:14,206 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 04:12:14,206 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-09-25 04:12:14,206 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 04:12:14,206 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 04:12:14,281 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-09-25 04:12:14,281 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1572308735] [2020-09-25 04:12:14,282 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-25 04:12:14,282 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2020-09-25 04:12:14,282 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1674321368] [2020-09-25 04:12:14,283 INFO L459 AbstractCegarLoop]: Interpolant automaton has 8 states [2020-09-25 04:12:14,284 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-25 04:12:14,284 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2020-09-25 04:12:14,284 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=42, Unknown=0, NotChecked=0, Total=56 [2020-09-25 04:12:14,285 INFO L87 Difference]: Start difference. First operand 413 states and 460 transitions. Second operand 8 states.