/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=1.0 --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_spec3_product33.cil.c -------------------------------------------------------------------------------- This is Ultimate 0.1.25-c90d42b [2020-09-25 08:41:50,420 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-09-25 08:41:50,424 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-09-25 08:41:50,468 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-09-25 08:41:50,469 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-09-25 08:41:50,481 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-09-25 08:41:50,482 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-09-25 08:41:50,485 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-09-25 08:41:50,487 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-09-25 08:41:50,489 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-09-25 08:41:50,490 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-09-25 08:41:50,493 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-09-25 08:41:50,493 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-09-25 08:41:50,497 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-09-25 08:41:50,501 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-09-25 08:41:50,503 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-09-25 08:41:50,504 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-09-25 08:41:50,508 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-09-25 08:41:50,510 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-09-25 08:41:50,512 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-09-25 08:41:50,514 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-09-25 08:41:50,518 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-09-25 08:41:50,519 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-09-25 08:41:50,523 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-09-25 08:41:50,525 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-09-25 08:41:50,526 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-09-25 08:41:50,526 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-09-25 08:41:50,527 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-09-25 08:41:50,527 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-09-25 08:41:50,528 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-09-25 08:41:50,529 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-09-25 08:41:50,529 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-09-25 08:41:50,530 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-09-25 08:41:50,531 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-09-25 08:41:50,532 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-09-25 08:41:50,532 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-09-25 08:41:50,533 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-09-25 08:41:50,533 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-09-25 08:41:50,534 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-09-25 08:41:50,535 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-09-25 08:41:50,535 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-09-25 08:41:50,536 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 08:41:50,563 INFO L113 SettingsManager]: Loading preferences was successful [2020-09-25 08:41:50,563 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-09-25 08:41:50,565 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-09-25 08:41:50,565 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-09-25 08:41:50,565 INFO L138 SettingsManager]: * Use SBE=true [2020-09-25 08:41:50,565 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-09-25 08:41:50,566 INFO L138 SettingsManager]: * sizeof long=4 [2020-09-25 08:41:50,566 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-09-25 08:41:50,566 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-09-25 08:41:50,566 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-09-25 08:41:50,566 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-09-25 08:41:50,567 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-09-25 08:41:50,567 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-09-25 08:41:50,567 INFO L138 SettingsManager]: * sizeof long double=12 [2020-09-25 08:41:50,567 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-09-25 08:41:50,567 INFO L138 SettingsManager]: * Use constant arrays=true [2020-09-25 08:41:50,568 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-09-25 08:41:50,568 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-09-25 08:41:50,568 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-09-25 08:41:50,568 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-09-25 08:41:50,568 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-09-25 08:41:50,569 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-09-25 08:41:50,569 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-09-25 08:41:50,569 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-09-25 08:41:50,569 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-09-25 08:41:50,570 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-09-25 08:41:50,570 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-09-25 08:41:50,570 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-09-25 08:41:50,570 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-09-25 08:41:50,571 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=1.0;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=1.0;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=1.0;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=1.0;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=1.0;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=1.0;log-additional-information=true; [2020-09-25 08:41:51,039 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-09-25 08:41:51,066 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-09-25 08:41:51,072 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-09-25 08:41:51,075 INFO L271 PluginConnector]: Initializing CDTParser... [2020-09-25 08:41:51,076 INFO L275 PluginConnector]: CDTParser initialized [2020-09-25 08:41:51,077 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/product-lines/minepump_spec3_product33.cil.c [2020-09-25 08:41:51,171 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/93be7de5f/cd9a6e6c82c449129f37f091cebf92fd/FLAG67cc812ff [2020-09-25 08:41:51,797 INFO L306 CDTParser]: Found 1 translation units. [2020-09-25 08:41:51,798 INFO L160 CDTParser]: Scanning /storage/repos/ultimate-2/trunk/examples/svcomp/product-lines/minepump_spec3_product33.cil.c [2020-09-25 08:41:51,813 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/93be7de5f/cd9a6e6c82c449129f37f091cebf92fd/FLAG67cc812ff [2020-09-25 08:41:52,074 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/93be7de5f/cd9a6e6c82c449129f37f091cebf92fd [2020-09-25 08:41:52,091 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-09-25 08:41:52,098 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-09-25 08:41:52,102 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-09-25 08:41:52,102 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-09-25 08:41:52,106 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-09-25 08:41:52,108 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.09 08:41:52" (1/1) ... [2020-09-25 08:41:52,113 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@51800d17 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 08:41:52, skipping insertion in model container [2020-09-25 08:41:52,113 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.09 08:41:52" (1/1) ... [2020-09-25 08:41:52,123 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-09-25 08:41:52,171 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-09-25 08:41:52,546 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-09-25 08:41:52,563 INFO L203 MainTranslator]: Completed pre-run [2020-09-25 08:41:52,760 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-09-25 08:41:52,813 INFO L208 MainTranslator]: Completed translation [2020-09-25 08:41:52,815 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 08:41:52 WrapperNode [2020-09-25 08:41:52,815 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-09-25 08:41:52,816 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-09-25 08:41:52,816 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-09-25 08:41:52,817 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-09-25 08:41:52,836 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 08:41:52" (1/1) ... [2020-09-25 08:41:52,838 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 08:41:52" (1/1) ... [2020-09-25 08:41:52,879 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 08:41:52" (1/1) ... [2020-09-25 08:41:52,879 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 08:41:52" (1/1) ... [2020-09-25 08:41:52,945 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 08:41:52" (1/1) ... [2020-09-25 08:41:52,959 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 08:41:52" (1/1) ... [2020-09-25 08:41:52,972 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 08:41:52" (1/1) ... [2020-09-25 08:41:52,988 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-09-25 08:41:52,990 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-09-25 08:41:52,990 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-09-25 08:41:52,990 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-09-25 08:41:52,996 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 08:41:52" (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 08:41:53,098 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-09-25 08:41:53,099 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-09-25 08:41:53,099 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~X~int~TO~int [2020-09-25 08:41:53,099 INFO L138 BoogieDeclarations]: Found implementation of procedure lowerWaterLevel [2020-09-25 08:41:53,100 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2020-09-25 08:41:53,100 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2020-09-25 08:41:53,100 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2020-09-25 08:41:53,101 INFO L138 BoogieDeclarations]: Found implementation of procedure printEnvironment [2020-09-25 08:41:53,101 INFO L138 BoogieDeclarations]: Found implementation of procedure getWaterLevel [2020-09-25 08:41:53,102 INFO L138 BoogieDeclarations]: Found implementation of procedure isHighWaterSensorDry [2020-09-25 08:41:53,102 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2020-09-25 08:41:53,102 INFO L138 BoogieDeclarations]: Found implementation of procedure Specification2 [2020-09-25 08:41:53,102 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2020-09-25 08:41:53,102 INFO L138 BoogieDeclarations]: Found implementation of procedure runTest [2020-09-25 08:41:53,102 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-09-25 08:41:53,103 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_set [2020-09-25 08:41:53,104 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_free [2020-09-25 08:41:53,104 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_reset [2020-09-25 08:41:53,104 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__error_stack_mgt [2020-09-25 08:41:53,104 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_arg [2020-09-25 08:41:53,105 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_argtype [2020-09-25 08:41:53,105 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2020-09-25 08:41:53,105 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2020-09-25 08:41:53,106 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2020-09-25 08:41:53,106 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__base [2020-09-25 08:41:53,106 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment [2020-09-25 08:41:53,107 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump [2020-09-25 08:41:53,107 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivatePump [2020-09-25 08:41:53,107 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneAlarm [2020-09-25 08:41:53,107 INFO L138 BoogieDeclarations]: Found implementation of procedure isPumpRunning [2020-09-25 08:41:53,107 INFO L138 BoogieDeclarations]: Found implementation of procedure printPump [2020-09-25 08:41:53,108 INFO L138 BoogieDeclarations]: Found implementation of procedure isHighWaterLevel [2020-09-25 08:41:53,108 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification3_spec__1 [2020-09-25 08:41:53,108 INFO L138 BoogieDeclarations]: Found implementation of procedure select_one [2020-09-25 08:41:53,108 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2020-09-25 08:41:53,108 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2020-09-25 08:41:53,108 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2020-09-25 08:41:53,109 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2020-09-25 08:41:53,109 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2020-09-25 08:41:53,109 INFO L130 BoogieDeclarations]: Found specification of procedure printf [2020-09-25 08:41:53,109 INFO L130 BoogieDeclarations]: Found specification of procedure lowerWaterLevel [2020-09-25 08:41:53,109 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2020-09-25 08:41:53,109 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2020-09-25 08:41:53,110 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2020-09-25 08:41:53,110 INFO L130 BoogieDeclarations]: Found specification of procedure getWaterLevel [2020-09-25 08:41:53,110 INFO L130 BoogieDeclarations]: Found specification of procedure printEnvironment [2020-09-25 08:41:53,110 INFO L130 BoogieDeclarations]: Found specification of procedure isHighWaterSensorDry [2020-09-25 08:41:53,110 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-09-25 08:41:53,110 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2020-09-25 08:41:53,111 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2020-09-25 08:41:53,111 INFO L130 BoogieDeclarations]: Found specification of procedure printPump [2020-09-25 08:41:53,111 INFO L130 BoogieDeclarations]: Found specification of procedure Specification2 [2020-09-25 08:41:53,112 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2020-09-25 08:41:53,112 INFO L130 BoogieDeclarations]: Found specification of procedure test [2020-09-25 08:41:53,112 INFO L130 BoogieDeclarations]: Found specification of procedure runTest [2020-09-25 08:41:53,112 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2020-09-25 08:41:53,112 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2020-09-25 08:41:53,113 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2020-09-25 08:41:53,113 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-09-25 08:41:53,113 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2020-09-25 08:41:53,113 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2020-09-25 08:41:53,113 INFO L130 BoogieDeclarations]: Found specification of procedure free [2020-09-25 08:41:53,113 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_set [2020-09-25 08:41:53,114 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2020-09-25 08:41:53,114 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2020-09-25 08:41:53,114 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-09-25 08:41:53,114 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2020-09-25 08:41:53,114 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_free [2020-09-25 08:41:53,115 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-09-25 08:41:53,115 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_reset [2020-09-25 08:41:53,115 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~X~int~TO~int [2020-09-25 08:41:53,117 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2020-09-25 08:41:53,117 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__error_stack_mgt [2020-09-25 08:41:53,117 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_arg [2020-09-25 08:41:53,118 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_argtype [2020-09-25 08:41:53,118 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2020-09-25 08:41:53,118 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump [2020-09-25 08:41:53,118 INFO L130 BoogieDeclarations]: Found specification of procedure deactivatePump [2020-09-25 08:41:53,118 INFO L130 BoogieDeclarations]: Found specification of procedure isPumpRunning [2020-09-25 08:41:53,118 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification3_spec__1 [2020-09-25 08:41:53,118 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment [2020-09-25 08:41:53,119 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__base [2020-09-25 08:41:53,120 INFO L130 BoogieDeclarations]: Found specification of procedure isHighWaterLevel [2020-09-25 08:41:53,120 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneAlarm [2020-09-25 08:41:53,120 INFO L130 BoogieDeclarations]: Found specification of procedure select_one [2020-09-25 08:41:53,120 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-09-25 08:41:53,120 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-09-25 08:41:53,121 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-09-25 08:41:54,297 INFO L290 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-09-25 08:41:54,297 INFO L295 CfgBuilder]: Removed 5 assume(true) statements. [2020-09-25 08:41:54,304 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.09 08:41:54 BoogieIcfgContainer [2020-09-25 08:41:54,304 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-09-25 08:41:54,306 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-09-25 08:41:54,306 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-09-25 08:41:54,310 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-09-25 08:41:54,310 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 25.09 08:41:52" (1/3) ... [2020-09-25 08:41:54,311 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@569bcb2a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 25.09 08:41:54, skipping insertion in model container [2020-09-25 08:41:54,311 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 08:41:52" (2/3) ... [2020-09-25 08:41:54,312 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@569bcb2a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 25.09 08:41:54, skipping insertion in model container [2020-09-25 08:41:54,312 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.09 08:41:54" (3/3) ... [2020-09-25 08:41:54,314 INFO L109 eAbstractionObserver]: Analyzing ICFG minepump_spec3_product33.cil.c [2020-09-25 08:41:54,327 INFO L157 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:Craig_NestedInterpolation Determinization: PREDICATE_ABSTRACTION [2020-09-25 08:41:54,338 INFO L169 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-09-25 08:41:54,361 INFO L251 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-09-25 08:41:54,393 INFO L375 AbstractCegarLoop]: Interprodecural is true [2020-09-25 08:41:54,393 INFO L376 AbstractCegarLoop]: Hoare is true [2020-09-25 08:41:54,393 INFO L377 AbstractCegarLoop]: Compute interpolants for Craig_NestedInterpolation [2020-09-25 08:41:54,393 INFO L378 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-09-25 08:41:54,393 INFO L379 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-09-25 08:41:54,394 INFO L380 AbstractCegarLoop]: Difference is false [2020-09-25 08:41:54,394 INFO L381 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-09-25 08:41:54,394 INFO L385 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-09-25 08:41:54,423 INFO L276 IsEmpty]: Start isEmpty. Operand 295 states. [2020-09-25 08:41:54,442 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 154 [2020-09-25 08:41:54,442 INFO L414 BasicCegarLoop]: Found error trace [2020-09-25 08:41:54,444 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] [2020-09-25 08:41:54,444 INFO L427 AbstractCegarLoop]: === Iteration 1 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-25 08:41:54,450 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-25 08:41:54,451 INFO L82 PathProgramCache]: Analyzing trace with hash 843539400, now seen corresponding path program 1 times [2020-09-25 08:41:54,461 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-25 08:41:54,462 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [986145569] [2020-09-25 08:41:54,462 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-25 08:41:54,769 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 08:41:54,932 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 08:41:55,171 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 08:41:55,751 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 08:41:59,506 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 08:41:59,510 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 186 [2020-09-25 08:41:59,511 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-09-25 08:41:59,511 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4726 [2020-09-25 08:41:59,515 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 08:41:59,516 FATAL L256 erpolLogProxyWrapper]: Tolerance: 1.0 [2020-09-25 08:41:59,516 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 08:41:59,516 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 82 [2020-09-25 08:41:59,517 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 58 [2020-09-25 08:41:59,518 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 6 [2020-09-25 08:42:00,112 WARN L193 SmtUtils]: Spent 425.00 ms on a formula simplification that was a NOOP. DAG size: 184 [2020-09-25 08:42:00,117 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-25 08:42:00,190 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 08:42:00,245 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 08:42:00,482 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 08:42:00,482 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 85 [2020-09-25 08:42:00,483 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 08:42:00,490 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 289 [2020-09-25 08:42:00,490 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 08:42:00,491 FATAL L256 erpolLogProxyWrapper]: Tolerance: 1.0 [2020-09-25 08:42:00,491 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 08:42:00,491 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 08:42:00,491 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 78 [2020-09-25 08:42:00,492 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 08:42:00,585 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2020-09-25 08:42:00,587 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 08:42:00,590 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 08:42:00,595 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 08:42:00,595 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 08:42:00,595 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 08:42:00,596 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-09-25 08:42:00,596 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 08:42:00,596 FATAL L256 erpolLogProxyWrapper]: Tolerance: 1.0 [2020-09-25 08:42:00,596 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 08:42:00,596 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 08:42:00,597 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-25 08:42:00,597 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 08:42:00,601 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 86 [2020-09-25 08:42:00,603 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 08:42:00,606 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 08:42:00,610 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 08:42:00,610 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 08:42:00,611 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 08:42:00,611 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-09-25 08:42:00,611 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 08:42:00,611 FATAL L256 erpolLogProxyWrapper]: Tolerance: 1.0 [2020-09-25 08:42:00,612 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 08:42:00,612 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 08:42:00,612 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-25 08:42:00,612 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 08:42:00,617 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2020-09-25 08:42:00,619 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 08:42:00,621 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 08:42:00,630 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 08:42:00,631 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 08:42:00,631 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 08:42:00,631 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 11 [2020-09-25 08:42:00,631 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 08:42:00,632 FATAL L256 erpolLogProxyWrapper]: Tolerance: 1.0 [2020-09-25 08:42:00,632 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 08:42:00,632 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 08:42:00,632 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-09-25 08:42:00,632 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 08:42:00,637 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 99 [2020-09-25 08:42:00,638 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 08:42:00,640 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 08:42:00,647 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 08:42:00,648 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 08:42:00,648 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 08:42:00,648 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 8 [2020-09-25 08:42:00,649 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 08:42:00,649 FATAL L256 erpolLogProxyWrapper]: Tolerance: 1.0 [2020-09-25 08:42:00,649 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 08:42:00,649 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 08:42:00,649 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-25 08:42:00,650 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 08:42:00,651 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 121 [2020-09-25 08:42:00,653 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 08:42:00,655 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 08:42:00,657 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 08:42:00,657 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 08:42:00,657 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 08:42:00,658 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-25 08:42:00,658 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 08:42:00,658 FATAL L256 erpolLogProxyWrapper]: Tolerance: 1.0 [2020-09-25 08:42:00,658 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 08:42:00,658 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-09-25 08:42:00,659 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 08:42:00,659 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 08:42:00,663 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 131 [2020-09-25 08:42:00,664 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 08:42:00,666 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 08:42:00,668 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 08:42:00,669 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 08:42:00,669 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 08:42:00,669 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-25 08:42:00,669 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 08:42:00,670 FATAL L256 erpolLogProxyWrapper]: Tolerance: 1.0 [2020-09-25 08:42:00,670 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 08:42:00,670 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-09-25 08:42:00,670 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 08:42:00,671 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 08:42:00,673 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 141 [2020-09-25 08:42:00,677 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 08:42:00,679 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 08:42:00,681 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 08:42:00,681 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 08:42:00,681 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 08:42:00,682 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-25 08:42:00,682 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 08:42:00,682 FATAL L256 erpolLogProxyWrapper]: Tolerance: 1.0 [2020-09-25 08:42:00,682 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 08:42:00,683 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-09-25 08:42:00,683 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 08:42:00,683 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 08:42:00,721 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 08:42:00,722 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [986145569] [2020-09-25 08:42:00,724 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-25 08:42:00,725 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2020-09-25 08:42:00,726 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1589390637] [2020-09-25 08:42:00,736 INFO L459 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-09-25 08:42:00,737 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-25 08:42:00,755 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-09-25 08:42:00,756 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2020-09-25 08:42:00,759 INFO L87 Difference]: Start difference. First operand 295 states. Second operand 4 states. [2020-09-25 08:42:01,378 WARN L193 SmtUtils]: Spent 285.00 ms on a formula simplification that was a NOOP. DAG size: 186 [2020-09-25 08:42:02,396 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-25 08:42:02,397 INFO L93 Difference]: Finished difference Result 441 states and 525 transitions. [2020-09-25 08:42:02,399 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-09-25 08:42:02,403 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 153 [2020-09-25 08:42:02,404 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-25 08:42:02,437 INFO L225 Difference]: With dead ends: 441 [2020-09-25 08:42:02,438 INFO L226 Difference]: Without dead ends: 277 [2020-09-25 08:42:02,446 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 21 GetRequests, 18 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.7s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2020-09-25 08:42:02,473 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 277 states. [2020-09-25 08:42:02,580 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 277 to 238. [2020-09-25 08:42:02,582 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 238 states. [2020-09-25 08:42:02,584 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 238 states to 238 states and 256 transitions. [2020-09-25 08:42:02,587 INFO L78 Accepts]: Start accepts. Automaton has 238 states and 256 transitions. Word has length 153 [2020-09-25 08:42:02,593 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-25 08:42:02,593 INFO L479 AbstractCegarLoop]: Abstraction has 238 states and 256 transitions. [2020-09-25 08:42:02,594 INFO L480 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-09-25 08:42:02,594 INFO L276 IsEmpty]: Start isEmpty. Operand 238 states and 256 transitions. [2020-09-25 08:42:02,604 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 163 [2020-09-25 08:42:02,604 INFO L414 BasicCegarLoop]: Found error trace [2020-09-25 08:42:02,604 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] [2020-09-25 08:42:02,605 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-09-25 08:42:02,605 INFO L427 AbstractCegarLoop]: === Iteration 2 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-25 08:42:02,605 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-25 08:42:02,606 INFO L82 PathProgramCache]: Analyzing trace with hash 1833891161, now seen corresponding path program 1 times [2020-09-25 08:42:02,606 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-25 08:42:02,606 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [941043198] [2020-09-25 08:42:02,606 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-25 08:42:02,676 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 08:42:02,737 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 08:42:02,841 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 08:42:03,011 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 08:42:06,605 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 08:42:07,639 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 08:42:07,716 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 08:42:07,717 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 199 [2020-09-25 08:42:07,717 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 5 [2020-09-25 08:42:07,717 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5038 [2020-09-25 08:42:07,718 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 08:42:07,718 FATAL L256 erpolLogProxyWrapper]: Tolerance: 1.0 [2020-09-25 08:42:07,718 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-09-25 08:42:07,721 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 139 [2020-09-25 08:42:07,721 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-09-25 08:42:07,721 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 3 [2020-09-25 08:42:08,057 WARN L193 SmtUtils]: Spent 259.00 ms on a formula simplification that was a NOOP. DAG size: 184 [2020-09-25 08:42:08,058 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-25 08:42:08,067 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 08:42:08,076 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 08:42:08,168 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 08:42:08,169 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 85 [2020-09-25 08:42:08,169 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 08:42:08,169 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 100 [2020-09-25 08:42:08,169 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 08:42:08,170 FATAL L256 erpolLogProxyWrapper]: Tolerance: 1.0 [2020-09-25 08:42:08,170 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 08:42:08,170 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 08:42:08,170 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 08:42:08,171 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 08:42:08,202 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2020-09-25 08:42:08,202 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 08:42:08,204 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 08:42:08,205 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 08:42:08,205 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 08:42:08,205 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 08:42:08,206 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-25 08:42:08,206 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 08:42:08,206 FATAL L256 erpolLogProxyWrapper]: Tolerance: 1.0 [2020-09-25 08:42:08,206 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 08:42:08,206 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 08:42:08,207 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 08:42:08,207 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 08:42:08,208 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 86 [2020-09-25 08:42:08,208 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 08:42:08,209 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 08:42:08,211 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 08:42:08,211 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 08:42:08,211 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 08:42:08,211 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-25 08:42:08,211 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 08:42:08,212 FATAL L256 erpolLogProxyWrapper]: Tolerance: 1.0 [2020-09-25 08:42:08,212 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 08:42:08,212 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 08:42:08,212 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 08:42:08,213 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 08:42:08,214 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2020-09-25 08:42:08,214 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 08:42:08,215 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 08:42:08,217 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 08:42:08,217 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 08:42:08,218 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 08:42:08,218 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-25 08:42:08,218 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 08:42:08,218 FATAL L256 erpolLogProxyWrapper]: Tolerance: 1.0 [2020-09-25 08:42:08,218 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 08:42:08,219 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 08:42:08,219 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 08:42:08,219 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 08:42:08,221 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 99 [2020-09-25 08:42:08,221 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 08:42:08,222 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 08:42:08,223 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 08:42:08,224 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 08:42:08,224 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 08:42:08,224 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-25 08:42:08,224 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 08:42:08,225 FATAL L256 erpolLogProxyWrapper]: Tolerance: 1.0 [2020-09-25 08:42:08,225 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 08:42:08,225 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 08:42:08,225 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 08:42:08,225 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 08:42:08,235 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 118 [2020-09-25 08:42:08,237 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 08:42:08,239 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 08:42:08,244 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 08:42:08,244 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 15 [2020-09-25 08:42:08,244 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 08:42:08,244 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-09-25 08:42:08,245 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 08:42:08,245 FATAL L256 erpolLogProxyWrapper]: Tolerance: 1.0 [2020-09-25 08:42:08,245 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-09-25 08:42:08,245 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-09-25 08:42:08,246 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 14 [2020-09-25 08:42:08,246 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 08:42:08,257 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-25 08:42:08,257 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 08:42:08,259 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 08:42:08,261 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 08:42:08,261 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 08:42:08,261 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 08:42:08,262 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-25 08:42:08,262 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 08:42:08,262 FATAL L256 erpolLogProxyWrapper]: Tolerance: 1.0 [2020-09-25 08:42:08,262 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 08:42:08,263 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 08:42:08,263 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-25 08:42:08,263 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 08:42:08,264 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 130 [2020-09-25 08:42:08,265 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 08:42:08,266 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 08:42:08,268 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 08:42:08,268 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 08:42:08,268 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 08:42:08,268 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-25 08:42:08,269 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 08:42:08,269 FATAL L256 erpolLogProxyWrapper]: Tolerance: 1.0 [2020-09-25 08:42:08,269 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 08:42:08,269 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-09-25 08:42:08,269 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 08:42:08,270 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 08:42:08,271 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 140 [2020-09-25 08:42:08,272 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 08:42:08,273 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 08:42:08,275 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 08:42:08,275 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 08:42:08,275 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 08:42:08,275 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-25 08:42:08,275 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 08:42:08,276 FATAL L256 erpolLogProxyWrapper]: Tolerance: 1.0 [2020-09-25 08:42:08,276 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 08:42:08,276 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-09-25 08:42:08,276 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 08:42:08,277 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 08:42:08,278 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 150 [2020-09-25 08:42:08,278 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 08:42:08,280 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 08:42:08,281 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 08:42:08,281 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 08:42:08,281 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 08:42:08,281 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-25 08:42:08,282 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 08:42:08,282 FATAL L256 erpolLogProxyWrapper]: Tolerance: 1.0 [2020-09-25 08:42:08,282 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 08:42:08,282 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-09-25 08:42:08,282 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 08:42:08,283 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 08:42:08,311 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 08:42:08,312 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [941043198] [2020-09-25 08:42:08,312 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-25 08:42:08,312 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2020-09-25 08:42:08,313 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1820892314] [2020-09-25 08:42:08,315 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2020-09-25 08:42:08,315 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-25 08:42:08,315 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2020-09-25 08:42:08,316 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2020-09-25 08:42:08,316 INFO L87 Difference]: Start difference. First operand 238 states and 256 transitions. Second operand 6 states. [2020-09-25 08:42:08,810 WARN L193 SmtUtils]: Spent 258.00 ms on a formula simplification that was a NOOP. DAG size: 186 [2020-09-25 08:42:10,324 WARN L193 SmtUtils]: Spent 280.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-09-25 08:42:11,493 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-25 08:42:11,493 INFO L93 Difference]: Finished difference Result 572 states and 675 transitions. [2020-09-25 08:42:11,494 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2020-09-25 08:42:11,494 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 162 [2020-09-25 08:42:11,495 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-25 08:42:11,507 INFO L225 Difference]: With dead ends: 572 [2020-09-25 08:42:11,508 INFO L226 Difference]: Without dead ends: 444 [2020-09-25 08:42:11,514 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 31 GetRequests, 23 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 7 ImplicationChecksByTransitivity, 0.8s TimeCoverageRelationStatistics Valid=30, Invalid=60, Unknown=0, NotChecked=0, Total=90 [2020-09-25 08:42:11,518 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 444 states. [2020-09-25 08:42:11,625 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 444 to 372. [2020-09-25 08:42:11,626 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 372 states. [2020-09-25 08:42:11,628 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 372 states to 372 states and 412 transitions. [2020-09-25 08:42:11,629 INFO L78 Accepts]: Start accepts. Automaton has 372 states and 412 transitions. Word has length 162 [2020-09-25 08:42:11,629 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-25 08:42:11,630 INFO L479 AbstractCegarLoop]: Abstraction has 372 states and 412 transitions. [2020-09-25 08:42:11,630 INFO L480 AbstractCegarLoop]: Interpolant automaton has 6 states. [2020-09-25 08:42:11,630 INFO L276 IsEmpty]: Start isEmpty. Operand 372 states and 412 transitions. [2020-09-25 08:42:11,634 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 196 [2020-09-25 08:42:11,634 INFO L414 BasicCegarLoop]: Found error trace [2020-09-25 08:42:11,635 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] [2020-09-25 08:42:11,635 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-09-25 08:42:11,635 INFO L427 AbstractCegarLoop]: === Iteration 3 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-25 08:42:11,636 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-25 08:42:11,636 INFO L82 PathProgramCache]: Analyzing trace with hash 579054747, now seen corresponding path program 1 times [2020-09-25 08:42:11,636 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-25 08:42:11,636 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [454075803] [2020-09-25 08:42:11,637 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-25 08:42:11,691 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 08:42:11,750 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 08:42:12,018 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 08:42:14,681 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 08:42:14,682 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 234 [2020-09-25 08:42:14,682 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-09-25 08:42:14,683 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2987 [2020-09-25 08:42:14,684 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 08:42:14,684 FATAL L256 erpolLogProxyWrapper]: Tolerance: 1.0 [2020-09-25 08:42:14,684 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-09-25 08:42:14,684 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 163 [2020-09-25 08:42:14,684 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 55 [2020-09-25 08:42:14,685 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 08:42:15,029 WARN L193 SmtUtils]: Spent 205.00 ms on a formula simplification that was a NOOP. DAG size: 184 [2020-09-25 08:42:15,030 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-25 08:42:15,038 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 08:42:15,047 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 08:42:15,144 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 08:42:15,145 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 85 [2020-09-25 08:42:15,145 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 08:42:15,145 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 105 [2020-09-25 08:42:15,146 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 08:42:15,146 FATAL L256 erpolLogProxyWrapper]: Tolerance: 1.0 [2020-09-25 08:42:15,146 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 08:42:15,146 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 08:42:15,146 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 08:42:15,147 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 08:42:15,185 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2020-09-25 08:42:15,185 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 08:42:15,187 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 08:42:15,188 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 08:42:15,188 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 08:42:15,189 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 08:42:15,189 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-25 08:42:15,189 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 08:42:15,193 FATAL L256 erpolLogProxyWrapper]: Tolerance: 1.0 [2020-09-25 08:42:15,193 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 08:42:15,193 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 08:42:15,194 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 08:42:15,194 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 4 [2020-09-25 08:42:15,195 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 86 [2020-09-25 08:42:15,195 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 08:42:15,196 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 08:42:15,198 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 08:42:15,198 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 08:42:15,198 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 08:42:15,198 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-25 08:42:15,198 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 08:42:15,199 FATAL L256 erpolLogProxyWrapper]: Tolerance: 1.0 [2020-09-25 08:42:15,199 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 08:42:15,199 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 08:42:15,199 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 08:42:15,200 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 08:42:15,201 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2020-09-25 08:42:15,201 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 08:42:15,202 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 08:42:15,206 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 08:42:15,206 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 08:42:15,206 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 08:42:15,207 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-09-25 08:42:15,207 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 08:42:15,207 FATAL L256 erpolLogProxyWrapper]: Tolerance: 1.0 [2020-09-25 08:42:15,209 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 08:42:15,209 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 08:42:15,209 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 08:42:15,209 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 2 [2020-09-25 08:42:15,211 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 99 [2020-09-25 08:42:15,211 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 08:42:15,213 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 08:42:15,214 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 08:42:15,214 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 08:42:15,214 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 08:42:15,215 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-25 08:42:15,215 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 08:42:15,215 FATAL L256 erpolLogProxyWrapper]: Tolerance: 1.0 [2020-09-25 08:42:15,215 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 08:42:15,215 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 08:42:15,216 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 08:42:15,216 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 08:42:15,229 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 127 [2020-09-25 08:42:15,231 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 08:42:15,235 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 08:42:15,263 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 08:42:15,263 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 43 [2020-09-25 08:42:15,263 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 08:42:15,264 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 30 [2020-09-25 08:42:15,264 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 08:42:15,264 FATAL L256 erpolLogProxyWrapper]: Tolerance: 1.0 [2020-09-25 08:42:15,264 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 08:42:15,264 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 08:42:15,265 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 14 [2020-09-25 08:42:15,265 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 08:42:15,280 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-25 08:42:15,285 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 08:42:15,288 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 08:42:15,302 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 08:42:15,302 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 27 [2020-09-25 08:42:15,302 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 08:42:15,303 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 15 [2020-09-25 08:42:15,303 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 08:42:15,303 FATAL L256 erpolLogProxyWrapper]: Tolerance: 1.0 [2020-09-25 08:42:15,303 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 08:42:15,304 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 08:42:15,304 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 9 [2020-09-25 08:42:15,304 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 08:42:15,308 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-25 08:42:15,309 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 08:42:15,311 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 08:42:15,317 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 08:42:15,318 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-09-25 08:42:15,318 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 08:42:15,318 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-09-25 08:42:15,318 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 08:42:15,319 FATAL L256 erpolLogProxyWrapper]: Tolerance: 1.0 [2020-09-25 08:42:15,319 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 08:42:15,319 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 08:42:15,319 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 3 [2020-09-25 08:42:15,320 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 08:42:15,323 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2020-09-25 08:42:15,324 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 08:42:15,326 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 08:42:15,328 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 08:42:15,329 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 08:42:15,329 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 08:42:15,329 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-25 08:42:15,329 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 08:42:15,330 FATAL L256 erpolLogProxyWrapper]: Tolerance: 1.0 [2020-09-25 08:42:15,330 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 08:42:15,330 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 08:42:15,330 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-25 08:42:15,330 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 08:42:15,334 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 163 [2020-09-25 08:42:15,335 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 08:42:15,336 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 08:42:15,339 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 08:42:15,339 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 08:42:15,339 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 08:42:15,340 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-25 08:42:15,340 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 08:42:15,340 FATAL L256 erpolLogProxyWrapper]: Tolerance: 1.0 [2020-09-25 08:42:15,340 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 08:42:15,340 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 08:42:15,341 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-09-25 08:42:15,341 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 08:42:15,343 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 173 [2020-09-25 08:42:15,344 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 08:42:15,346 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 08:42:15,354 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 08:42:15,354 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 08:42:15,354 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 08:42:15,355 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 9 [2020-09-25 08:42:15,355 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 08:42:15,355 FATAL L256 erpolLogProxyWrapper]: Tolerance: 1.0 [2020-09-25 08:42:15,355 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-09-25 08:42:15,355 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 08:42:15,356 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-09-25 08:42:15,356 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 08:42:15,380 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 183 [2020-09-25 08:42:15,381 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 08:42:15,384 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 08:42:15,385 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 08:42:15,386 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 08:42:15,386 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 08:42:15,386 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-25 08:42:15,386 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 08:42:15,387 FATAL L256 erpolLogProxyWrapper]: Tolerance: 1.0 [2020-09-25 08:42:15,387 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 08:42:15,387 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-09-25 08:42:15,387 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 08:42:15,387 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 08:42:15,428 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 08:42:15,429 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [454075803] [2020-09-25 08:42:15,430 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-25 08:42:15,430 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2020-09-25 08:42:15,430 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [327385865] [2020-09-25 08:42:15,431 INFO L459 AbstractCegarLoop]: Interpolant automaton has 10 states [2020-09-25 08:42:15,432 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-25 08:42:15,432 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2020-09-25 08:42:15,432 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=71, Unknown=0, NotChecked=0, Total=90 [2020-09-25 08:42:15,432 INFO L87 Difference]: Start difference. First operand 372 states and 412 transitions. Second operand 10 states. [2020-09-25 08:42:16,035 WARN L193 SmtUtils]: Spent 264.00 ms on a formula simplification that was a NOOP. DAG size: 186 [2020-09-25 08:42:17,794 WARN L193 SmtUtils]: Spent 284.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-09-25 08:42:18,136 WARN L193 SmtUtils]: Spent 289.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-09-25 08:42:18,531 WARN L193 SmtUtils]: Spent 312.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-09-25 08:42:18,868 WARN L193 SmtUtils]: Spent 285.00 ms on a formula simplification that was a NOOP. DAG size: 193 [2020-09-25 08:42:19,195 WARN L193 SmtUtils]: Spent 290.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-09-25 08:42:19,697 WARN L193 SmtUtils]: Spent 244.00 ms on a formula simplification that was a NOOP. DAG size: 186 [2020-09-25 08:42:20,019 WARN L193 SmtUtils]: Spent 276.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-09-25 08:42:20,466 WARN L193 SmtUtils]: Spent 295.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-09-25 08:42:21,769 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-25 08:42:21,769 INFO L93 Difference]: Finished difference Result 958 states and 1198 transitions. [2020-09-25 08:42:21,770 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2020-09-25 08:42:21,770 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 195 [2020-09-25 08:42:21,772 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-25 08:42:21,777 INFO L225 Difference]: With dead ends: 958 [2020-09-25 08:42:21,777 INFO L226 Difference]: Without dead ends: 656 [2020-09-25 08:42:21,781 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 46 GetRequests, 28 SyntacticMatches, 0 SemanticMatches, 18 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 40 ImplicationChecksByTransitivity, 2.9s TimeCoverageRelationStatistics Valid=103, Invalid=277, Unknown=0, NotChecked=0, Total=380 [2020-09-25 08:42:21,783 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 656 states. [2020-09-25 08:42:21,851 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 656 to 575. [2020-09-25 08:42:21,851 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 575 states. [2020-09-25 08:42:21,855 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 575 states to 575 states and 648 transitions. [2020-09-25 08:42:21,856 INFO L78 Accepts]: Start accepts. Automaton has 575 states and 648 transitions. Word has length 195 [2020-09-25 08:42:21,856 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-25 08:42:21,857 INFO L479 AbstractCegarLoop]: Abstraction has 575 states and 648 transitions. [2020-09-25 08:42:21,857 INFO L480 AbstractCegarLoop]: Interpolant automaton has 10 states. [2020-09-25 08:42:21,857 INFO L276 IsEmpty]: Start isEmpty. Operand 575 states and 648 transitions. [2020-09-25 08:42:21,861 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 201 [2020-09-25 08:42:21,861 INFO L414 BasicCegarLoop]: Found error trace [2020-09-25 08:42:21,861 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] [2020-09-25 08:42:21,862 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-09-25 08:42:21,862 INFO L427 AbstractCegarLoop]: === Iteration 4 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-25 08:42:21,862 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-25 08:42:21,862 INFO L82 PathProgramCache]: Analyzing trace with hash 720775112, now seen corresponding path program 1 times [2020-09-25 08:42:21,863 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-25 08:42:21,863 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1632937250] [2020-09-25 08:42:21,863 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-25 08:42:21,912 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 08:42:21,967 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 08:42:22,637 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 08:42:22,637 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 241 [2020-09-25 08:42:22,637 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 08:42:22,637 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 722 [2020-09-25 08:42:22,638 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 08:42:22,638 FATAL L256 erpolLogProxyWrapper]: Tolerance: 1.0 [2020-09-25 08:42:22,638 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-09-25 08:42:22,638 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 171 [2020-09-25 08:42:22,638 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-09-25 08:42:22,639 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 08:42:22,958 WARN L193 SmtUtils]: Spent 257.00 ms on a formula simplification that was a NOOP. DAG size: 184 [2020-09-25 08:42:22,959 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-25 08:42:22,968 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 08:42:22,977 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 08:42:23,066 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 08:42:23,068 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 85 [2020-09-25 08:42:23,069 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 08:42:23,069 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 96 [2020-09-25 08:42:23,069 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 08:42:23,069 FATAL L256 erpolLogProxyWrapper]: Tolerance: 1.0 [2020-09-25 08:42:23,070 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 08:42:23,070 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 08:42:23,070 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 08:42:23,070 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 08:42:23,100 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2020-09-25 08:42:23,100 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 08:42:23,101 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 08:42:23,102 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 08:42:23,103 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 08:42:23,103 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 08:42:23,103 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-25 08:42:23,103 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 08:42:23,104 FATAL L256 erpolLogProxyWrapper]: Tolerance: 1.0 [2020-09-25 08:42:23,104 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 08:42:23,104 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 08:42:23,104 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 08:42:23,104 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 08:42:23,105 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 86 [2020-09-25 08:42:23,106 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 08:42:23,107 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 08:42:23,108 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 08:42:23,108 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 08:42:23,109 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 08:42:23,109 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-25 08:42:23,109 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 08:42:23,109 FATAL L256 erpolLogProxyWrapper]: Tolerance: 1.0 [2020-09-25 08:42:23,109 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 08:42:23,110 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 08:42:23,110 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 08:42:23,110 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 08:42:23,111 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2020-09-25 08:42:23,112 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 08:42:23,113 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 08:42:23,116 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 08:42:23,117 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 08:42:23,117 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 08:42:23,117 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-09-25 08:42:23,117 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 08:42:23,118 FATAL L256 erpolLogProxyWrapper]: Tolerance: 1.0 [2020-09-25 08:42:23,118 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 08:42:23,118 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 08:42:23,118 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 08:42:23,118 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 08:42:23,120 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 99 [2020-09-25 08:42:23,120 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 08:42:23,121 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 08:42:23,123 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 08:42:23,123 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 08:42:23,123 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 08:42:23,123 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-25 08:42:23,123 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 08:42:23,124 FATAL L256 erpolLogProxyWrapper]: Tolerance: 1.0 [2020-09-25 08:42:23,124 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 08:42:23,124 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 08:42:23,124 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 08:42:23,124 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 08:42:23,134 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 116 [2020-09-25 08:42:23,135 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 08:42:23,136 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 08:42:23,138 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 08:42:23,139 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-09-25 08:42:23,139 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 08:42:23,139 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-25 08:42:23,139 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 08:42:23,139 FATAL L256 erpolLogProxyWrapper]: Tolerance: 1.0 [2020-09-25 08:42:23,140 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 08:42:23,140 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 08:42:23,140 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 08:42:23,140 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 08:42:23,151 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 132 [2020-09-25 08:42:23,154 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 08:42:23,159 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 08:42:23,202 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 08:42:23,203 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 43 [2020-09-25 08:42:23,203 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 08:42:23,203 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 46 [2020-09-25 08:42:23,203 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 08:42:23,204 FATAL L256 erpolLogProxyWrapper]: Tolerance: 1.0 [2020-09-25 08:42:23,204 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-09-25 08:42:23,204 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 16 [2020-09-25 08:42:23,204 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-09-25 08:42:23,204 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 08:42:23,209 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-25 08:42:23,213 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 08:42:23,217 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 08:42:23,246 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 08:42:23,246 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 27 [2020-09-25 08:42:23,246 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 08:42:23,246 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 31 [2020-09-25 08:42:23,247 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 08:42:23,247 FATAL L256 erpolLogProxyWrapper]: Tolerance: 1.0 [2020-09-25 08:42:23,247 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-09-25 08:42:23,247 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 11 [2020-09-25 08:42:23,248 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-09-25 08:42:23,248 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 08:42:23,270 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-25 08:42:23,271 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 08:42:23,274 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 08:42:23,286 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 08:42:23,287 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-09-25 08:42:23,287 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 08:42:23,288 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 14 [2020-09-25 08:42:23,288 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 08:42:23,288 FATAL L256 erpolLogProxyWrapper]: Tolerance: 1.0 [2020-09-25 08:42:23,289 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-09-25 08:42:23,289 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 08:42:23,289 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-09-25 08:42:23,289 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 08:42:23,316 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2020-09-25 08:42:23,317 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 08:42:23,318 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 08:42:23,320 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 08:42:23,320 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 08:42:23,320 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 08:42:23,320 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-25 08:42:23,321 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 08:42:23,322 FATAL L256 erpolLogProxyWrapper]: Tolerance: 1.0 [2020-09-25 08:42:23,322 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 08:42:23,322 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-09-25 08:42:23,322 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 08:42:23,323 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 2 [2020-09-25 08:42:23,324 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 168 [2020-09-25 08:42:23,325 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 08:42:23,327 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 08:42:23,328 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 08:42:23,329 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 08:42:23,329 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 08:42:23,329 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-25 08:42:23,329 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 08:42:23,330 FATAL L256 erpolLogProxyWrapper]: Tolerance: 1.0 [2020-09-25 08:42:23,330 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 08:42:23,330 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-09-25 08:42:23,330 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 08:42:23,330 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 08:42:23,332 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 178 [2020-09-25 08:42:23,332 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 08:42:23,335 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 08:42:23,336 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 08:42:23,336 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 08:42:23,337 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 08:42:23,337 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-25 08:42:23,337 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 08:42:23,337 FATAL L256 erpolLogProxyWrapper]: Tolerance: 1.0 [2020-09-25 08:42:23,337 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 08:42:23,338 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-09-25 08:42:23,338 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 08:42:23,338 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 08:42:23,339 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 188 [2020-09-25 08:42:23,340 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 08:42:23,341 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 08:42:23,342 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 08:42:23,343 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 08:42:23,343 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 08:42:23,343 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-25 08:42:23,343 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 08:42:23,343 FATAL L256 erpolLogProxyWrapper]: Tolerance: 1.0 [2020-09-25 08:42:23,344 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 08:42:23,344 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-09-25 08:42:23,344 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 08:42:23,344 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 08:42:23,384 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 08:42:23,385 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1632937250] [2020-09-25 08:42:23,385 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-25 08:42:23,385 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2020-09-25 08:42:23,385 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [370127124] [2020-09-25 08:42:23,387 INFO L459 AbstractCegarLoop]: Interpolant automaton has 9 states [2020-09-25 08:42:23,387 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-25 08:42:23,387 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2020-09-25 08:42:23,388 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=55, Unknown=0, NotChecked=0, Total=72 [2020-09-25 08:42:23,388 INFO L87 Difference]: Start difference. First operand 575 states and 648 transitions. Second operand 9 states. [2020-09-25 08:42:24,669 WARN L193 SmtUtils]: Spent 249.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-09-25 08:42:24,926 WARN L193 SmtUtils]: Spent 231.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-25 08:42:25,228 WARN L193 SmtUtils]: Spent 275.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-09-25 08:42:25,526 WARN L193 SmtUtils]: Spent 268.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-09-25 08:42:25,857 WARN L193 SmtUtils]: Spent 283.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-25 08:42:27,077 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-25 08:42:27,077 INFO L93 Difference]: Finished difference Result 1185 states and 1416 transitions. [2020-09-25 08:42:27,079 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2020-09-25 08:42:27,079 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 200 [2020-09-25 08:42:27,080 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-25 08:42:27,086 INFO L225 Difference]: With dead ends: 1185 [2020-09-25 08:42:27,086 INFO L226 Difference]: Without dead ends: 720 [2020-09-25 08:42:27,088 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 41 GetRequests, 28 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 15 ImplicationChecksByTransitivity, 1.6s TimeCoverageRelationStatistics Valid=62, Invalid=148, Unknown=0, NotChecked=0, Total=210 [2020-09-25 08:42:27,089 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 720 states. [2020-09-25 08:42:27,164 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 720 to 574. [2020-09-25 08:42:27,164 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 574 states. [2020-09-25 08:42:27,168 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 574 states to 574 states and 646 transitions. [2020-09-25 08:42:27,169 INFO L78 Accepts]: Start accepts. Automaton has 574 states and 646 transitions. Word has length 200 [2020-09-25 08:42:27,169 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-25 08:42:27,170 INFO L479 AbstractCegarLoop]: Abstraction has 574 states and 646 transitions. [2020-09-25 08:42:27,170 INFO L480 AbstractCegarLoop]: Interpolant automaton has 9 states. [2020-09-25 08:42:27,170 INFO L276 IsEmpty]: Start isEmpty. Operand 574 states and 646 transitions. [2020-09-25 08:42:27,174 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 201 [2020-09-25 08:42:27,174 INFO L414 BasicCegarLoop]: Found error trace [2020-09-25 08:42:27,174 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] [2020-09-25 08:42:27,175 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2020-09-25 08:42:27,175 INFO L427 AbstractCegarLoop]: === Iteration 5 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-25 08:42:27,175 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-25 08:42:27,175 INFO L82 PathProgramCache]: Analyzing trace with hash -896240792, now seen corresponding path program 1 times [2020-09-25 08:42:27,176 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-25 08:42:27,176 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1213668363] [2020-09-25 08:42:27,176 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-25 08:42:27,227 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 08:42:27,290 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 08:42:28,135 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 08:42:28,136 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 241 [2020-09-25 08:42:28,136 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 08:42:28,136 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 905 [2020-09-25 08:42:28,136 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 08:42:28,137 FATAL L256 erpolLogProxyWrapper]: Tolerance: 1.0 [2020-09-25 08:42:28,137 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-09-25 08:42:28,137 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 179 [2020-09-25 08:42:28,137 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 9 [2020-09-25 08:42:28,137 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 08:42:28,408 WARN L193 SmtUtils]: Spent 216.00 ms on a formula simplification that was a NOOP. DAG size: 184 [2020-09-25 08:42:28,409 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-25 08:42:28,416 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 08:42:28,426 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 08:42:28,516 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 08:42:28,517 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 85 [2020-09-25 08:42:28,517 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 08:42:28,517 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 99 [2020-09-25 08:42:28,517 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 08:42:28,517 FATAL L256 erpolLogProxyWrapper]: Tolerance: 1.0 [2020-09-25 08:42:28,518 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 08:42:28,518 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 08:42:28,518 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 08:42:28,518 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 08:42:28,552 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2020-09-25 08:42:28,552 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 08:42:28,554 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 08:42:28,555 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 08:42:28,555 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 08:42:28,555 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 08:42:28,555 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-25 08:42:28,556 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 08:42:28,556 FATAL L256 erpolLogProxyWrapper]: Tolerance: 1.0 [2020-09-25 08:42:28,556 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 08:42:28,556 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 08:42:28,557 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 08:42:28,557 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 08:42:28,558 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 86 [2020-09-25 08:42:28,558 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 08:42:28,559 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 08:42:28,560 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 08:42:28,561 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 08:42:28,561 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 08:42:28,561 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-25 08:42:28,561 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 08:42:28,562 FATAL L256 erpolLogProxyWrapper]: Tolerance: 1.0 [2020-09-25 08:42:28,562 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 08:42:28,562 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 08:42:28,562 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 08:42:28,562 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 08:42:28,564 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2020-09-25 08:42:28,564 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 08:42:28,565 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 08:42:28,569 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 08:42:28,569 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 08:42:28,569 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 08:42:28,570 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-09-25 08:42:28,570 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 08:42:28,570 FATAL L256 erpolLogProxyWrapper]: Tolerance: 1.0 [2020-09-25 08:42:28,570 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 08:42:28,571 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 08:42:28,571 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 08:42:28,571 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 08:42:28,573 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 99 [2020-09-25 08:42:28,573 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 08:42:28,574 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 08:42:28,576 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 08:42:28,576 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 08:42:28,576 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 08:42:28,576 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-25 08:42:28,577 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 08:42:28,577 FATAL L256 erpolLogProxyWrapper]: Tolerance: 1.0 [2020-09-25 08:42:28,577 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 08:42:28,577 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 08:42:28,577 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 08:42:28,578 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 08:42:28,588 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 116 [2020-09-25 08:42:28,589 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 08:42:28,590 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 08:42:28,594 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 08:42:28,594 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-09-25 08:42:28,595 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 08:42:28,595 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-09-25 08:42:28,595 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 08:42:28,595 FATAL L256 erpolLogProxyWrapper]: Tolerance: 1.0 [2020-09-25 08:42:28,596 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 08:42:28,596 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 08:42:28,596 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 08:42:28,596 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 08:42:28,605 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 132 [2020-09-25 08:42:28,609 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 08:42:28,613 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 08:42:28,675 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 08:42:28,676 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 43 [2020-09-25 08:42:28,676 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 08:42:28,677 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 66 [2020-09-25 08:42:28,677 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 08:42:28,678 FATAL L256 erpolLogProxyWrapper]: Tolerance: 1.0 [2020-09-25 08:42:28,678 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-09-25 08:42:28,678 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 24 [2020-09-25 08:42:28,679 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 9 [2020-09-25 08:42:28,679 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 08:42:28,709 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-25 08:42:28,714 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 08:42:28,718 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 08:42:28,753 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 08:42:28,753 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 27 [2020-09-25 08:42:28,753 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 08:42:28,754 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 37 [2020-09-25 08:42:28,754 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 08:42:28,754 FATAL L256 erpolLogProxyWrapper]: Tolerance: 1.0 [2020-09-25 08:42:28,755 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-09-25 08:42:28,755 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 08:42:28,755 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 22 [2020-09-25 08:42:28,755 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 08:42:28,810 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-25 08:42:28,811 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 08:42:28,813 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 08:42:28,817 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 08:42:28,817 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-09-25 08:42:28,818 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 08:42:28,818 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-09-25 08:42:28,819 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 08:42:28,819 FATAL L256 erpolLogProxyWrapper]: Tolerance: 1.0 [2020-09-25 08:42:28,819 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 08:42:28,820 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 08:42:28,820 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 08:42:28,821 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 2 [2020-09-25 08:42:28,823 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2020-09-25 08:42:28,824 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 08:42:28,825 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 08:42:28,827 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 08:42:28,828 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 08:42:28,828 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 08:42:28,828 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-25 08:42:28,829 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 08:42:28,829 FATAL L256 erpolLogProxyWrapper]: Tolerance: 1.0 [2020-09-25 08:42:28,830 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 08:42:28,830 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-09-25 08:42:28,830 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 08:42:28,831 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 08:42:28,833 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 168 [2020-09-25 08:42:28,836 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 08:42:28,837 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 08:42:28,839 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 08:42:28,840 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 08:42:28,840 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 08:42:28,840 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-25 08:42:28,841 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 08:42:28,841 FATAL L256 erpolLogProxyWrapper]: Tolerance: 1.0 [2020-09-25 08:42:28,841 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 08:42:28,842 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-09-25 08:42:28,842 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 08:42:28,842 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 08:42:28,844 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 178 [2020-09-25 08:42:28,845 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 08:42:28,847 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 08:42:28,849 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 08:42:28,849 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 08:42:28,849 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 08:42:28,850 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-25 08:42:28,850 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 08:42:28,850 FATAL L256 erpolLogProxyWrapper]: Tolerance: 1.0 [2020-09-25 08:42:28,851 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 08:42:28,851 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-09-25 08:42:28,851 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 08:42:28,852 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 08:42:28,854 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 188 [2020-09-25 08:42:28,855 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 08:42:28,856 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 08:42:28,858 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 08:42:28,858 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 08:42:28,859 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 08:42:28,859 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-25 08:42:28,859 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 08:42:28,860 FATAL L256 erpolLogProxyWrapper]: Tolerance: 1.0 [2020-09-25 08:42:28,860 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 08:42:28,860 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-09-25 08:42:28,860 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 08:42:28,861 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 08:42:28,921 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 08:42:28,922 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1213668363] [2020-09-25 08:42:28,922 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-25 08:42:28,922 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2020-09-25 08:42:28,923 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1604767544] [2020-09-25 08:42:28,924 INFO L459 AbstractCegarLoop]: Interpolant automaton has 10 states [2020-09-25 08:42:28,924 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-25 08:42:28,924 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2020-09-25 08:42:28,925 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=71, Unknown=0, NotChecked=0, Total=90 [2020-09-25 08:42:28,925 INFO L87 Difference]: Start difference. First operand 574 states and 646 transitions. Second operand 10 states. [2020-09-25 08:42:30,308 WARN L193 SmtUtils]: Spent 257.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-09-25 08:42:30,543 WARN L193 SmtUtils]: Spent 210.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-25 08:42:30,783 WARN L193 SmtUtils]: Spent 217.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-25 08:42:31,070 WARN L193 SmtUtils]: Spent 238.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-09-25 08:42:31,356 WARN L193 SmtUtils]: Spent 252.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-25 08:42:31,653 WARN L193 SmtUtils]: Spent 266.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-09-25 08:42:32,833 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-25 08:42:32,833 INFO L93 Difference]: Finished difference Result 1110 states and 1314 transitions. [2020-09-25 08:42:32,834 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2020-09-25 08:42:32,834 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 200 [2020-09-25 08:42:32,834 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-25 08:42:32,839 INFO L225 Difference]: With dead ends: 1110 [2020-09-25 08:42:32,839 INFO L226 Difference]: Without dead ends: 646 [2020-09-25 08:42:32,841 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 43 GetRequests, 27 SyntacticMatches, 0 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 28 ImplicationChecksByTransitivity, 1.8s TimeCoverageRelationStatistics Valid=81, Invalid=225, Unknown=0, NotChecked=0, Total=306 [2020-09-25 08:42:32,843 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 646 states. [2020-09-25 08:42:32,918 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 646 to 519. [2020-09-25 08:42:32,919 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 519 states. [2020-09-25 08:42:32,924 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 519 states to 519 states and 577 transitions. [2020-09-25 08:42:32,926 INFO L78 Accepts]: Start accepts. Automaton has 519 states and 577 transitions. Word has length 200 [2020-09-25 08:42:32,926 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-25 08:42:32,926 INFO L479 AbstractCegarLoop]: Abstraction has 519 states and 577 transitions. [2020-09-25 08:42:32,926 INFO L480 AbstractCegarLoop]: Interpolant automaton has 10 states. [2020-09-25 08:42:32,927 INFO L276 IsEmpty]: Start isEmpty. Operand 519 states and 577 transitions. [2020-09-25 08:42:32,929 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 202 [2020-09-25 08:42:32,929 INFO L414 BasicCegarLoop]: Found error trace [2020-09-25 08:42:32,929 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] [2020-09-25 08:42:32,929 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2020-09-25 08:42:32,929 INFO L427 AbstractCegarLoop]: === Iteration 6 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-25 08:42:32,930 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-25 08:42:32,930 INFO L82 PathProgramCache]: Analyzing trace with hash 1844576185, now seen corresponding path program 1 times [2020-09-25 08:42:32,930 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-25 08:42:32,931 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [279636252] [2020-09-25 08:42:32,931 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-25 08:42:32,983 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 08:42:33,039 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 08:42:33,826 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 08:42:33,826 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 242 [2020-09-25 08:42:33,826 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 08:42:33,826 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 840 [2020-09-25 08:42:33,827 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 08:42:33,827 FATAL L256 erpolLogProxyWrapper]: Tolerance: 1.0 [2020-09-25 08:42:33,827 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-09-25 08:42:33,827 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 191 [2020-09-25 08:42:33,827 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 47 [2020-09-25 08:42:33,828 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 08:42:34,124 WARN L193 SmtUtils]: Spent 220.00 ms on a formula simplification that was a NOOP. DAG size: 184 [2020-09-25 08:42:34,125 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-25 08:42:34,133 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 08:42:34,144 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 08:42:34,235 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 08:42:34,235 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 85 [2020-09-25 08:42:34,235 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 08:42:34,236 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 99 [2020-09-25 08:42:34,236 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 08:42:34,236 FATAL L256 erpolLogProxyWrapper]: Tolerance: 1.0 [2020-09-25 08:42:34,236 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 08:42:34,237 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 08:42:34,237 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 08:42:34,237 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 08:42:34,267 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2020-09-25 08:42:34,270 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 08:42:34,273 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 08:42:34,275 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 08:42:34,276 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 08:42:34,276 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 08:42:34,276 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-25 08:42:34,276 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 08:42:34,277 FATAL L256 erpolLogProxyWrapper]: Tolerance: 1.0 [2020-09-25 08:42:34,277 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 08:42:34,277 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 08:42:34,277 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 08:42:34,277 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 08:42:34,282 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 86 [2020-09-25 08:42:34,283 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 08:42:34,284 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 08:42:34,285 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 08:42:34,285 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 08:42:34,285 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 08:42:34,285 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-25 08:42:34,286 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 08:42:34,286 FATAL L256 erpolLogProxyWrapper]: Tolerance: 1.0 [2020-09-25 08:42:34,286 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 08:42:34,286 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 08:42:34,286 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 08:42:34,287 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 08:42:34,288 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2020-09-25 08:42:34,288 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 08:42:34,289 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 08:42:34,295 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 08:42:34,295 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 08:42:34,295 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 08:42:34,295 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-09-25 08:42:34,296 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 08:42:34,296 FATAL L256 erpolLogProxyWrapper]: Tolerance: 1.0 [2020-09-25 08:42:34,296 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 08:42:34,296 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 08:42:34,296 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 08:42:34,297 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 08:42:34,298 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 99 [2020-09-25 08:42:34,299 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 08:42:34,300 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 08:42:34,301 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 08:42:34,301 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 08:42:34,301 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 08:42:34,302 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-25 08:42:34,302 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 08:42:34,302 FATAL L256 erpolLogProxyWrapper]: Tolerance: 1.0 [2020-09-25 08:42:34,302 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 08:42:34,302 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 08:42:34,303 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 08:42:34,305 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 2 [2020-09-25 08:42:34,319 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 116 [2020-09-25 08:42:34,319 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 08:42:34,320 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 08:42:34,322 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 08:42:34,323 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-09-25 08:42:34,323 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 08:42:34,323 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-25 08:42:34,323 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 08:42:34,323 FATAL L256 erpolLogProxyWrapper]: Tolerance: 1.0 [2020-09-25 08:42:34,324 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 08:42:34,324 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 08:42:34,324 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 08:42:34,324 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 08:42:34,336 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 132 [2020-09-25 08:42:34,342 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 08:42:34,347 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 08:42:34,367 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 08:42:34,367 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 44 [2020-09-25 08:42:34,367 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 08:42:34,368 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 24 [2020-09-25 08:42:34,368 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 08:42:34,368 FATAL L256 erpolLogProxyWrapper]: Tolerance: 1.0 [2020-09-25 08:42:34,368 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 08:42:34,368 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 08:42:34,369 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 35 [2020-09-25 08:42:34,369 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 08:42:34,376 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-25 08:42:34,377 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 08:42:34,379 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 08:42:34,385 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 08:42:34,386 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 27 [2020-09-25 08:42:34,386 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 08:42:34,386 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-09-25 08:42:34,386 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 08:42:34,386 FATAL L256 erpolLogProxyWrapper]: Tolerance: 1.0 [2020-09-25 08:42:34,387 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 08:42:34,387 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 08:42:34,387 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 08:42:34,387 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 08:42:34,390 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-25 08:42:34,391 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 08:42:34,393 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 08:42:34,396 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 08:42:34,397 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-09-25 08:42:34,397 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 08:42:34,397 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-09-25 08:42:34,397 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 08:42:34,398 FATAL L256 erpolLogProxyWrapper]: Tolerance: 1.0 [2020-09-25 08:42:34,398 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 08:42:34,398 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 08:42:34,398 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 08:42:34,399 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 08:42:34,400 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2020-09-25 08:42:34,401 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 08:42:34,402 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 08:42:34,405 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 08:42:34,405 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-25 08:42:34,405 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 08:42:34,406 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-25 08:42:34,406 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 08:42:34,406 FATAL L256 erpolLogProxyWrapper]: Tolerance: 1.0 [2020-09-25 08:42:34,406 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 08:42:34,406 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 08:42:34,407 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-09-25 08:42:34,407 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 08:42:34,412 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 169 [2020-09-25 08:42:34,413 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 08:42:34,414 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 08:42:34,417 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 08:42:34,417 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 08:42:34,418 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 08:42:34,418 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-25 08:42:34,418 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 08:42:34,418 FATAL L256 erpolLogProxyWrapper]: Tolerance: 1.0 [2020-09-25 08:42:34,419 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 08:42:34,419 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 08:42:34,419 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-09-25 08:42:34,419 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 08:42:34,421 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 179 [2020-09-25 08:42:34,422 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 08:42:34,423 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 08:42:34,426 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 08:42:34,427 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 08:42:34,427 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 08:42:34,427 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-25 08:42:34,427 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 08:42:34,427 FATAL L256 erpolLogProxyWrapper]: Tolerance: 1.0 [2020-09-25 08:42:34,428 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 08:42:34,428 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 08:42:34,428 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-09-25 08:42:34,428 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 08:42:34,430 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 189 [2020-09-25 08:42:34,431 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 08:42:34,433 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 08:42:34,438 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 08:42:34,439 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 08:42:34,439 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 08:42:34,439 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-09-25 08:42:34,439 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 08:42:34,440 FATAL L256 erpolLogProxyWrapper]: Tolerance: 1.0 [2020-09-25 08:42:34,440 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-09-25 08:42:34,440 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 08:42:34,440 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-09-25 08:42:34,440 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 08:42:34,503 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 08:42:34,503 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [279636252] [2020-09-25 08:42:34,504 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-25 08:42:34,504 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2020-09-25 08:42:34,505 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1145900237] [2020-09-25 08:42:34,506 INFO L459 AbstractCegarLoop]: Interpolant automaton has 10 states [2020-09-25 08:42:34,506 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-25 08:42:34,506 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2020-09-25 08:42:34,507 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=71, Unknown=0, NotChecked=0, Total=90 [2020-09-25 08:42:34,507 INFO L87 Difference]: Start difference. First operand 519 states and 577 transitions. Second operand 10 states. [2020-09-25 08:42:35,995 WARN L193 SmtUtils]: Spent 263.00 ms on a formula simplification that was a NOOP. DAG size: 186 [2020-09-25 08:42:36,968 WARN L193 SmtUtils]: Spent 275.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-09-25 08:42:37,312 WARN L193 SmtUtils]: Spent 275.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-09-25 08:42:37,687 WARN L193 SmtUtils]: Spent 265.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-09-25 08:42:38,008 WARN L193 SmtUtils]: Spent 270.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-09-25 08:42:38,342 WARN L193 SmtUtils]: Spent 283.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-09-25 08:42:38,739 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-25 08:42:38,740 INFO L93 Difference]: Finished difference Result 986 states and 1127 transitions. [2020-09-25 08:42:38,740 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2020-09-25 08:42:38,740 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 201 [2020-09-25 08:42:38,741 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-25 08:42:38,742 INFO L225 Difference]: With dead ends: 986 [2020-09-25 08:42:38,742 INFO L226 Difference]: Without dead ends: 0 [2020-09-25 08:42:38,745 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 48 GetRequests, 28 SyntacticMatches, 2 SemanticMatches, 18 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 27 ImplicationChecksByTransitivity, 2.0s TimeCoverageRelationStatistics Valid=115, Invalid=265, Unknown=0, NotChecked=0, Total=380 [2020-09-25 08:42:38,745 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2020-09-25 08:42:38,745 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2020-09-25 08:42:38,745 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2020-09-25 08:42:38,746 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2020-09-25 08:42:38,746 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 201 [2020-09-25 08:42:38,746 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-25 08:42:38,746 INFO L479 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-09-25 08:42:38,746 INFO L480 AbstractCegarLoop]: Interpolant automaton has 10 states. [2020-09-25 08:42:38,746 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2020-09-25 08:42:38,747 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-09-25 08:42:38,747 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2020-09-25 08:42:38,749 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2020-09-25 08:42:38,948 WARN L193 SmtUtils]: Spent 183.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-25 08:42:39,121 WARN L193 SmtUtils]: Spent 168.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-25 08:42:39,281 WARN L193 SmtUtils]: Spent 158.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-09-25 08:42:39,445 WARN L193 SmtUtils]: Spent 161.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-09-25 08:42:39,608 WARN L193 SmtUtils]: Spent 161.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-25 08:42:39,776 WARN L193 SmtUtils]: Spent 159.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-25 08:42:39,930 WARN L193 SmtUtils]: Spent 152.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-09-25 08:42:40,089 WARN L193 SmtUtils]: Spent 157.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-25 08:42:40,246 WARN L193 SmtUtils]: Spent 155.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-25 08:42:40,411 WARN L193 SmtUtils]: Spent 158.00 ms on a formula simplification that was a NOOP. DAG size: 191