/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=DEEPEST --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_spec5_product42.cil.c -------------------------------------------------------------------------------- This is Ultimate 0.1.25-c90d42b [2020-09-25 00:48:31,567 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-09-25 00:48:31,571 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-09-25 00:48:31,617 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-09-25 00:48:31,618 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-09-25 00:48:31,625 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-09-25 00:48:31,628 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-09-25 00:48:31,632 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-09-25 00:48:31,635 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-09-25 00:48:31,638 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-09-25 00:48:31,639 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-09-25 00:48:31,641 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-09-25 00:48:31,641 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-09-25 00:48:31,644 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-09-25 00:48:31,647 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-09-25 00:48:31,649 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-09-25 00:48:31,651 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-09-25 00:48:31,652 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-09-25 00:48:31,654 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-09-25 00:48:31,661 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-09-25 00:48:31,663 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-09-25 00:48:31,664 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-09-25 00:48:31,666 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-09-25 00:48:31,667 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-09-25 00:48:31,680 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-09-25 00:48:31,680 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-09-25 00:48:31,681 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-09-25 00:48:31,682 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-09-25 00:48:31,682 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-09-25 00:48:31,684 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-09-25 00:48:31,685 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-09-25 00:48:31,686 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-09-25 00:48:31,687 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-09-25 00:48:31,688 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-09-25 00:48:31,690 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-09-25 00:48:31,690 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-09-25 00:48:31,691 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-09-25 00:48:31,691 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-09-25 00:48:31,692 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-09-25 00:48:31,693 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-09-25 00:48:31,694 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-09-25 00:48:31,695 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 00:48:31,739 INFO L113 SettingsManager]: Loading preferences was successful [2020-09-25 00:48:31,740 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-09-25 00:48:31,742 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-09-25 00:48:31,742 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-09-25 00:48:31,742 INFO L138 SettingsManager]: * Use SBE=true [2020-09-25 00:48:31,743 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-09-25 00:48:31,743 INFO L138 SettingsManager]: * sizeof long=4 [2020-09-25 00:48:31,743 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-09-25 00:48:31,744 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-09-25 00:48:31,744 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-09-25 00:48:31,745 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-09-25 00:48:31,745 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-09-25 00:48:31,745 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-09-25 00:48:31,746 INFO L138 SettingsManager]: * sizeof long double=12 [2020-09-25 00:48:31,746 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-09-25 00:48:31,746 INFO L138 SettingsManager]: * Use constant arrays=true [2020-09-25 00:48:31,746 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-09-25 00:48:31,747 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-09-25 00:48:31,747 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-09-25 00:48:31,747 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-09-25 00:48:31,747 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-09-25 00:48:31,748 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-09-25 00:48:31,748 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-09-25 00:48:31,748 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-09-25 00:48:31,748 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-09-25 00:48:31,748 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-09-25 00:48:31,749 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-09-25 00:48:31,749 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-09-25 00:48:31,749 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-09-25 00:48:31,749 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=DEEPEST;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=DEEPEST;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=DEEPEST;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=DEEPEST;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=DEEPEST;log-additional-information=true; [2020-09-25 00:48:32,191 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-09-25 00:48:32,217 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-09-25 00:48:32,222 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-09-25 00:48:32,225 INFO L271 PluginConnector]: Initializing CDTParser... [2020-09-25 00:48:32,226 INFO L275 PluginConnector]: CDTParser initialized [2020-09-25 00:48:32,227 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/product-lines/minepump_spec5_product42.cil.c [2020-09-25 00:48:32,324 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/cb2148426/b6e4a20f2ac94250b1ea38ab7d7a66da/FLAGec1064eec [2020-09-25 00:48:32,952 INFO L306 CDTParser]: Found 1 translation units. [2020-09-25 00:48:32,955 INFO L160 CDTParser]: Scanning /storage/repos/ultimate-2/trunk/examples/svcomp/product-lines/minepump_spec5_product42.cil.c [2020-09-25 00:48:32,970 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/cb2148426/b6e4a20f2ac94250b1ea38ab7d7a66da/FLAGec1064eec [2020-09-25 00:48:33,216 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/cb2148426/b6e4a20f2ac94250b1ea38ab7d7a66da [2020-09-25 00:48:33,230 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-09-25 00:48:33,239 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-09-25 00:48:33,240 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-09-25 00:48:33,240 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-09-25 00:48:33,245 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-09-25 00:48:33,246 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.09 12:48:33" (1/1) ... [2020-09-25 00:48:33,250 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 12:48:33, skipping insertion in model container [2020-09-25 00:48:33,250 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.09 12:48:33" (1/1) ... [2020-09-25 00:48:33,260 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-09-25 00:48:33,310 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-09-25 00:48:33,710 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-09-25 00:48:33,727 INFO L203 MainTranslator]: Completed pre-run [2020-09-25 00:48:33,980 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-09-25 00:48:34,018 INFO L208 MainTranslator]: Completed translation [2020-09-25 00:48:34,019 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 12:48:34 WrapperNode [2020-09-25 00:48:34,019 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-09-25 00:48:34,020 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-09-25 00:48:34,020 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-09-25 00:48:34,020 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-09-25 00:48:34,036 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 12:48:34" (1/1) ... [2020-09-25 00:48:34,036 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 12:48:34" (1/1) ... [2020-09-25 00:48:34,058 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 12:48:34" (1/1) ... [2020-09-25 00:48:34,058 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 12:48:34" (1/1) ... [2020-09-25 00:48:34,100 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 12:48:34" (1/1) ... [2020-09-25 00:48:34,112 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 12:48:34" (1/1) ... [2020-09-25 00:48:34,118 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 12:48:34" (1/1) ... [2020-09-25 00:48:34,126 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-09-25 00:48:34,127 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-09-25 00:48:34,127 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-09-25 00:48:34,127 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-09-25 00:48:34,129 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 12:48:34" (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 00:48:34,218 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-09-25 00:48:34,218 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-09-25 00:48:34,218 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~X~int~TO~int [2020-09-25 00:48:34,219 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification5_spec__1 [2020-09-25 00:48:34,219 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification5_spec__2 [2020-09-25 00:48:34,219 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification5_spec__3 [2020-09-25 00:48:34,219 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2020-09-25 00:48:34,219 INFO L138 BoogieDeclarations]: Found implementation of procedure Specification2 [2020-09-25 00:48:34,220 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2020-09-25 00:48:34,220 INFO L138 BoogieDeclarations]: Found implementation of procedure runTest [2020-09-25 00:48:34,220 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-09-25 00:48:34,220 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2020-09-25 00:48:34,220 INFO L138 BoogieDeclarations]: Found implementation of procedure select_one [2020-09-25 00:48:34,221 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2020-09-25 00:48:34,221 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2020-09-25 00:48:34,221 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2020-09-25 00:48:34,221 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_set [2020-09-25 00:48:34,221 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_free [2020-09-25 00:48:34,222 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_reset [2020-09-25 00:48:34,222 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__error_stack_mgt [2020-09-25 00:48:34,222 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_arg [2020-09-25 00:48:34,222 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_argtype [2020-09-25 00:48:34,222 INFO L138 BoogieDeclarations]: Found implementation of procedure lowerWaterLevel [2020-09-25 00:48:34,223 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2020-09-25 00:48:34,223 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2020-09-25 00:48:34,223 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2020-09-25 00:48:34,223 INFO L138 BoogieDeclarations]: Found implementation of procedure printEnvironment [2020-09-25 00:48:34,223 INFO L138 BoogieDeclarations]: Found implementation of procedure getWaterLevel [2020-09-25 00:48:34,223 INFO L138 BoogieDeclarations]: Found implementation of procedure isHighWaterSensorDry [2020-09-25 00:48:34,224 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2020-09-25 00:48:34,224 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2020-09-25 00:48:34,224 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__base [2020-09-25 00:48:34,224 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment [2020-09-25 00:48:34,224 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump__wrappee__highWaterSensor [2020-09-25 00:48:34,224 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump [2020-09-25 00:48:34,225 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivatePump [2020-09-25 00:48:34,225 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneAlarm [2020-09-25 00:48:34,225 INFO L138 BoogieDeclarations]: Found implementation of procedure isPumpRunning [2020-09-25 00:48:34,225 INFO L138 BoogieDeclarations]: Found implementation of procedure printPump [2020-09-25 00:48:34,225 INFO L138 BoogieDeclarations]: Found implementation of procedure isHighWaterLevel [2020-09-25 00:48:34,225 INFO L138 BoogieDeclarations]: Found implementation of procedure startSystem [2020-09-25 00:48:34,225 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2020-09-25 00:48:34,226 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2020-09-25 00:48:34,226 INFO L130 BoogieDeclarations]: Found specification of procedure printf [2020-09-25 00:48:34,226 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2020-09-25 00:48:34,226 INFO L130 BoogieDeclarations]: Found specification of procedure isPumpRunning [2020-09-25 00:48:34,226 INFO L130 BoogieDeclarations]: Found specification of procedure getWaterLevel [2020-09-25 00:48:34,226 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification5_spec__1 [2020-09-25 00:48:34,227 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification5_spec__2 [2020-09-25 00:48:34,227 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification5_spec__3 [2020-09-25 00:48:34,227 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2020-09-25 00:48:34,227 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2020-09-25 00:48:34,227 INFO L130 BoogieDeclarations]: Found specification of procedure printPump [2020-09-25 00:48:34,228 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2020-09-25 00:48:34,228 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2020-09-25 00:48:34,228 INFO L130 BoogieDeclarations]: Found specification of procedure Specification2 [2020-09-25 00:48:34,228 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2020-09-25 00:48:34,228 INFO L130 BoogieDeclarations]: Found specification of procedure test [2020-09-25 00:48:34,228 INFO L130 BoogieDeclarations]: Found specification of procedure runTest [2020-09-25 00:48:34,229 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2020-09-25 00:48:34,229 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2020-09-25 00:48:34,229 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2020-09-25 00:48:34,229 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-09-25 00:48:34,229 INFO L130 BoogieDeclarations]: Found specification of procedure select_one [2020-09-25 00:48:34,229 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2020-09-25 00:48:34,229 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2020-09-25 00:48:34,230 INFO L130 BoogieDeclarations]: Found specification of procedure free [2020-09-25 00:48:34,230 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_set [2020-09-25 00:48:34,230 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2020-09-25 00:48:34,230 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2020-09-25 00:48:34,230 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-09-25 00:48:34,230 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2020-09-25 00:48:34,231 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_free [2020-09-25 00:48:34,231 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-09-25 00:48:34,231 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_reset [2020-09-25 00:48:34,231 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~X~int~TO~int [2020-09-25 00:48:34,231 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2020-09-25 00:48:34,231 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__error_stack_mgt [2020-09-25 00:48:34,232 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_arg [2020-09-25 00:48:34,232 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-09-25 00:48:34,232 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_argtype [2020-09-25 00:48:34,232 INFO L130 BoogieDeclarations]: Found specification of procedure lowerWaterLevel [2020-09-25 00:48:34,232 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2020-09-25 00:48:34,232 INFO L130 BoogieDeclarations]: Found specification of procedure printEnvironment [2020-09-25 00:48:34,233 INFO L130 BoogieDeclarations]: Found specification of procedure isHighWaterSensorDry [2020-09-25 00:48:34,233 INFO L130 BoogieDeclarations]: Found specification of procedure startSystem [2020-09-25 00:48:34,233 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump [2020-09-25 00:48:34,233 INFO L130 BoogieDeclarations]: Found specification of procedure deactivatePump [2020-09-25 00:48:34,233 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment [2020-09-25 00:48:34,233 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__base [2020-09-25 00:48:34,234 INFO L130 BoogieDeclarations]: Found specification of procedure isHighWaterLevel [2020-09-25 00:48:34,234 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump__wrappee__highWaterSensor [2020-09-25 00:48:34,234 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneAlarm [2020-09-25 00:48:34,234 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-09-25 00:48:34,234 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-09-25 00:48:34,234 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-09-25 00:48:35,470 INFO L290 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-09-25 00:48:35,471 INFO L295 CfgBuilder]: Removed 5 assume(true) statements. [2020-09-25 00:48:35,479 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.09 12:48:35 BoogieIcfgContainer [2020-09-25 00:48:35,480 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-09-25 00:48:35,481 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-09-25 00:48:35,481 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-09-25 00:48:35,485 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-09-25 00:48:35,486 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 25.09 12:48:33" (1/3) ... [2020-09-25 00:48:35,487 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@21b69d9e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 25.09 12:48:35, skipping insertion in model container [2020-09-25 00:48:35,487 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 12:48:34" (2/3) ... [2020-09-25 00:48:35,488 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@21b69d9e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 25.09 12:48:35, skipping insertion in model container [2020-09-25 00:48:35,488 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.09 12:48:35" (3/3) ... [2020-09-25 00:48:35,491 INFO L109 eAbstractionObserver]: Analyzing ICFG minepump_spec5_product42.cil.c [2020-09-25 00:48:35,504 INFO L157 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:Craig_NestedInterpolation Determinization: PREDICATE_ABSTRACTION [2020-09-25 00:48:35,518 INFO L169 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-09-25 00:48:35,543 INFO L251 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-09-25 00:48:35,582 INFO L375 AbstractCegarLoop]: Interprodecural is true [2020-09-25 00:48:35,582 INFO L376 AbstractCegarLoop]: Hoare is true [2020-09-25 00:48:35,582 INFO L377 AbstractCegarLoop]: Compute interpolants for Craig_NestedInterpolation [2020-09-25 00:48:35,583 INFO L378 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-09-25 00:48:35,583 INFO L379 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-09-25 00:48:35,583 INFO L380 AbstractCegarLoop]: Difference is false [2020-09-25 00:48:35,583 INFO L381 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-09-25 00:48:35,583 INFO L385 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-09-25 00:48:35,618 INFO L276 IsEmpty]: Start isEmpty. Operand 317 states. [2020-09-25 00:48:35,636 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 161 [2020-09-25 00:48:35,637 INFO L414 BasicCegarLoop]: Found error trace [2020-09-25 00:48:35,638 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 00:48:35,639 INFO L427 AbstractCegarLoop]: === Iteration 1 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-25 00:48:35,649 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-25 00:48:35,650 INFO L82 PathProgramCache]: Analyzing trace with hash 339982816, now seen corresponding path program 1 times [2020-09-25 00:48:35,661 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-25 00:48:35,662 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1118545132] [2020-09-25 00:48:35,663 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-25 00:48:36,040 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 00:48:36,222 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 00:48:36,481 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 00:48:38,007 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 00:48:38,213 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 00:48:40,959 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 00:48:41,116 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 00:48:41,118 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 197 [2020-09-25 00:48:41,119 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 5 [2020-09-25 00:48:41,119 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5058 [2020-09-25 00:48:41,124 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-09-25 00:48:41,125 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-09-25 00:48:41,125 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 161 [2020-09-25 00:48:41,135 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 31 [2020-09-25 00:48:41,136 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 15 [2020-09-25 00:48:41,713 WARN L193 SmtUtils]: Spent 308.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-09-25 00:48:41,718 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-25 00:48:41,744 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 00:48:41,756 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 00:48:41,877 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 00:48:41,878 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 86 [2020-09-25 00:48:41,878 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 00:48:41,878 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 132 [2020-09-25 00:48:41,878 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-09-25 00:48:41,879 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 00:48:41,879 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 00:48:41,879 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 00:48:41,879 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 00:48:41,956 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2020-09-25 00:48:41,957 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 00:48:41,958 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 00:48:41,960 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 00:48:41,961 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 00:48:41,961 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 00:48:41,961 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-25 00:48:41,961 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-09-25 00:48:41,962 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 00:48:41,962 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 00:48:41,962 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 00:48:41,962 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 00:48:41,964 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2020-09-25 00:48:41,965 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 00:48:41,966 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 00:48:41,968 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 00:48:41,969 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 00:48:41,969 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 00:48:41,969 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-25 00:48:41,969 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-09-25 00:48:41,970 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 00:48:41,970 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 00:48:41,970 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 00:48:41,970 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 00:48:41,972 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2020-09-25 00:48:41,973 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 00:48:41,974 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 00:48:41,978 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 00:48:41,979 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 00:48:41,979 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 00:48:41,979 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-09-25 00:48:41,980 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-09-25 00:48:41,980 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 00:48:41,980 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 00:48:41,980 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 00:48:41,980 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 00:48:41,983 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2020-09-25 00:48:41,983 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 00:48:41,985 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 00:48:41,986 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 00:48:41,987 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 00:48:41,987 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 00:48:41,987 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-25 00:48:41,987 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-09-25 00:48:41,988 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 00:48:41,988 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 00:48:41,988 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 00:48:41,988 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 00:48:42,000 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2020-09-25 00:48:42,002 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 00:48:42,003 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 00:48:42,006 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 00:48:42,006 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-25 00:48:42,006 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 00:48:42,007 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-25 00:48:42,007 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-09-25 00:48:42,007 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 00:48:42,007 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 00:48:42,007 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 00:48:42,008 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 00:48:42,010 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 120 [2020-09-25 00:48:42,011 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 00:48:42,012 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 00:48:42,014 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 00:48:42,014 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 19 [2020-09-25 00:48:42,015 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 00:48:42,015 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-25 00:48:42,015 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-09-25 00:48:42,015 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 00:48:42,016 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 00:48:42,016 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 00:48:42,016 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 00:48:42,018 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-25 00:48:42,019 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 00:48:42,021 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 00:48:42,023 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 00:48:42,023 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 00:48:42,024 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 00:48:42,024 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-25 00:48:42,024 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-09-25 00:48:42,025 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 00:48:42,025 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 00:48:42,026 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 00:48:42,026 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 00:48:42,028 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 137 [2020-09-25 00:48:42,030 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 00:48:42,032 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 00:48:42,035 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 00:48:42,035 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 00:48:42,036 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 00:48:42,036 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-09-25 00:48:42,037 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-09-25 00:48:42,037 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 00:48:42,037 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 00:48:42,038 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-09-25 00:48:42,038 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 00:48:42,042 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 147 [2020-09-25 00:48:42,044 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 00:48:42,046 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 00:48:42,053 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 00:48:42,053 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 00:48:42,054 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 00:48:42,054 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 8 [2020-09-25 00:48:42,054 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-09-25 00:48:42,054 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-09-25 00:48:42,055 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 00:48:42,055 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-09-25 00:48:42,055 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 00:48:42,121 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2020-09-25 00:48:42,122 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1118545132] [2020-09-25 00:48:42,125 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-25 00:48:42,125 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2020-09-25 00:48:42,126 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [29357000] [2020-09-25 00:48:42,134 INFO L459 AbstractCegarLoop]: Interpolant automaton has 9 states [2020-09-25 00:48:42,134 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-25 00:48:42,152 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2020-09-25 00:48:42,153 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=56, Unknown=0, NotChecked=0, Total=72 [2020-09-25 00:48:42,156 INFO L87 Difference]: Start difference. First operand 317 states. Second operand 9 states. [2020-09-25 00:48:42,824 WARN L193 SmtUtils]: Spent 246.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-25 00:48:43,668 WARN L193 SmtUtils]: Spent 256.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-25 00:48:43,956 WARN L193 SmtUtils]: Spent 240.00 ms on a formula simplification that was a NOOP. DAG size: 193 [2020-09-25 00:48:45,469 WARN L193 SmtUtils]: Spent 283.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-25 00:48:45,742 WARN L193 SmtUtils]: Spent 256.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-25 00:48:46,081 WARN L193 SmtUtils]: Spent 262.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-09-25 00:48:46,511 WARN L193 SmtUtils]: Spent 280.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-25 00:48:46,865 WARN L193 SmtUtils]: Spent 324.00 ms on a formula simplification that was a NOOP. DAG size: 193 [2020-09-25 00:48:47,160 WARN L193 SmtUtils]: Spent 269.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-25 00:48:47,711 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-25 00:48:47,711 INFO L93 Difference]: Finished difference Result 598 states and 716 transitions. [2020-09-25 00:48:47,712 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2020-09-25 00:48:47,714 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 160 [2020-09-25 00:48:47,715 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-25 00:48:47,747 INFO L225 Difference]: With dead ends: 598 [2020-09-25 00:48:47,747 INFO L226 Difference]: Without dead ends: 405 [2020-09-25 00:48:47,754 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 38 GetRequests, 21 SyntacticMatches, 0 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 38 ImplicationChecksByTransitivity, 3.0s TimeCoverageRelationStatistics Valid=93, Invalid=249, Unknown=0, NotChecked=0, Total=342 [2020-09-25 00:48:47,777 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 405 states. [2020-09-25 00:48:47,888 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 405 to 357. [2020-09-25 00:48:47,890 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 357 states. [2020-09-25 00:48:47,893 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 357 states to 357 states and 397 transitions. [2020-09-25 00:48:47,896 INFO L78 Accepts]: Start accepts. Automaton has 357 states and 397 transitions. Word has length 160 [2020-09-25 00:48:47,897 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-25 00:48:47,897 INFO L479 AbstractCegarLoop]: Abstraction has 357 states and 397 transitions. [2020-09-25 00:48:47,897 INFO L480 AbstractCegarLoop]: Interpolant automaton has 9 states. [2020-09-25 00:48:47,897 INFO L276 IsEmpty]: Start isEmpty. Operand 357 states and 397 transitions. [2020-09-25 00:48:47,904 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 230 [2020-09-25 00:48:47,904 INFO L414 BasicCegarLoop]: Found error trace [2020-09-25 00:48:47,904 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 00:48:47,905 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-09-25 00:48:47,905 INFO L427 AbstractCegarLoop]: === Iteration 2 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-25 00:48:47,905 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-25 00:48:47,905 INFO L82 PathProgramCache]: Analyzing trace with hash 1668042525, now seen corresponding path program 1 times [2020-09-25 00:48:47,906 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-25 00:48:47,906 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1983540086] [2020-09-25 00:48:47,906 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-25 00:48:47,970 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 00:48:48,070 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 00:48:48,974 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 00:48:48,974 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 280 [2020-09-25 00:48:48,974 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 00:48:48,975 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1000 [2020-09-25 00:48:48,975 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-09-25 00:48:48,975 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-09-25 00:48:48,976 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 193 [2020-09-25 00:48:48,976 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-09-25 00:48:48,976 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 00:48:49,369 WARN L193 SmtUtils]: Spent 308.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-09-25 00:48:49,372 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-25 00:48:49,382 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 00:48:49,395 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 00:48:49,533 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 00:48:49,534 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 86 [2020-09-25 00:48:49,534 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 00:48:49,534 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 147 [2020-09-25 00:48:49,534 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-09-25 00:48:49,535 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 00:48:49,535 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 00:48:49,535 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 00:48:49,536 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 00:48:49,577 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2020-09-25 00:48:49,578 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 00:48:49,579 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 00:48:49,581 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 00:48:49,581 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 00:48:49,581 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 00:48:49,582 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-25 00:48:49,582 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-09-25 00:48:49,582 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 00:48:49,582 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 00:48:49,582 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 00:48:49,583 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 00:48:49,584 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2020-09-25 00:48:49,584 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 00:48:49,585 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 00:48:49,587 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 00:48:49,588 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 00:48:49,588 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 00:48:49,588 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-25 00:48:49,589 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-09-25 00:48:49,589 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 00:48:49,589 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 00:48:49,589 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 00:48:49,589 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 00:48:49,590 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2020-09-25 00:48:49,591 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 00:48:49,592 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 00:48:49,599 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 00:48:49,599 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 00:48:49,600 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 00:48:49,600 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-09-25 00:48:49,600 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-09-25 00:48:49,600 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 00:48:49,600 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 00:48:49,601 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 00:48:49,601 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 00:48:49,609 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2020-09-25 00:48:49,610 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 00:48:49,611 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 00:48:49,613 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 00:48:49,613 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 00:48:49,613 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 00:48:49,613 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-25 00:48:49,614 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-09-25 00:48:49,614 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 00:48:49,614 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 00:48:49,614 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 00:48:49,614 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 00:48:49,623 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2020-09-25 00:48:49,624 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 00:48:49,626 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 00:48:49,628 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 00:48:49,628 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-25 00:48:49,628 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 00:48:49,628 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-25 00:48:49,629 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-09-25 00:48:49,629 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 00:48:49,629 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 00:48:49,630 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 00:48:49,630 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 00:48:49,638 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 129 [2020-09-25 00:48:49,639 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 00:48:49,640 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 00:48:49,642 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 00:48:49,642 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-25 00:48:49,642 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 00:48:49,644 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-25 00:48:49,644 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-09-25 00:48:49,644 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 00:48:49,645 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 00:48:49,645 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 00:48:49,645 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 00:48:49,646 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 134 [2020-09-25 00:48:49,647 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 00:48:49,649 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 00:48:49,651 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 00:48:49,651 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 19 [2020-09-25 00:48:49,651 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 00:48:49,651 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-25 00:48:49,651 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-09-25 00:48:49,652 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 00:48:49,652 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 00:48:49,652 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 00:48:49,652 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 00:48:49,656 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-25 00:48:49,657 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 00:48:49,658 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 00:48:49,660 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 00:48:49,660 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 00:48:49,661 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 00:48:49,661 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-25 00:48:49,661 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-09-25 00:48:49,661 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 00:48:49,662 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 00:48:49,662 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 00:48:49,662 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 00:48:49,672 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 148 [2020-09-25 00:48:49,678 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 00:48:49,694 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 00:48:49,781 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 00:48:49,781 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 72 [2020-09-25 00:48:49,782 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 00:48:49,782 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 102 [2020-09-25 00:48:49,782 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-09-25 00:48:49,782 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-09-25 00:48:49,783 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 16 [2020-09-25 00:48:49,783 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-09-25 00:48:49,783 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 00:48:49,790 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-25 00:48:49,792 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 00:48:49,796 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 00:48:49,853 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 00:48:49,854 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 27 [2020-09-25 00:48:49,854 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 00:48:49,854 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 60 [2020-09-25 00:48:49,854 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-09-25 00:48:49,854 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-09-25 00:48:49,854 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 11 [2020-09-25 00:48:49,855 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-09-25 00:48:49,855 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 00:48:49,880 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-25 00:48:49,882 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 00:48:49,884 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 00:48:49,890 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 00:48:49,891 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-09-25 00:48:49,891 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 00:48:49,891 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 8 [2020-09-25 00:48:49,891 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-09-25 00:48:49,892 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-09-25 00:48:49,892 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 00:48:49,892 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-09-25 00:48:49,892 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 00:48:49,916 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2020-09-25 00:48:49,918 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 00:48:49,923 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 00:48:49,934 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 00:48:49,935 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 37 [2020-09-25 00:48:49,935 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 00:48:49,935 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 15 [2020-09-25 00:48:49,935 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-09-25 00:48:49,936 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 00:48:49,936 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 34 [2020-09-25 00:48:49,936 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 00:48:49,936 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 00:48:49,940 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-09-25 00:48:49,941 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 00:48:49,943 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 00:48:49,946 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 00:48:49,946 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 21 [2020-09-25 00:48:49,946 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 00:48:49,947 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-25 00:48:49,947 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-09-25 00:48:49,947 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 00:48:49,947 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 00:48:49,948 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 00:48:49,948 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 00:48:49,950 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-09-25 00:48:49,951 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 00:48:49,952 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 00:48:49,955 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 00:48:49,955 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 00:48:49,955 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 00:48:49,955 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-25 00:48:49,956 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-09-25 00:48:49,956 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 00:48:49,956 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 00:48:49,956 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 00:48:49,957 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 00:48:49,958 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2020-09-25 00:48:49,959 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 00:48:49,960 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 00:48:49,963 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 00:48:49,963 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-25 00:48:49,963 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 00:48:49,964 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-25 00:48:49,964 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-09-25 00:48:49,965 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 00:48:49,965 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 00:48:49,965 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 00:48:49,965 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 00:48:49,969 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 206 [2020-09-25 00:48:49,971 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 00:48:49,972 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 00:48:49,975 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 00:48:49,975 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 00:48:49,975 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 00:48:49,976 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-25 00:48:49,976 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-09-25 00:48:49,976 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 00:48:49,977 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-09-25 00:48:49,977 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 00:48:49,977 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 00:48:49,979 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 216 [2020-09-25 00:48:49,980 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 00:48:49,981 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 00:48:49,983 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 00:48:49,984 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 00:48:49,984 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 00:48:49,984 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-25 00:48:49,984 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-09-25 00:48:49,985 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 00:48:49,985 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-09-25 00:48:49,985 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 00:48:49,985 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 00:48:50,095 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2020-09-25 00:48:50,095 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1983540086] [2020-09-25 00:48:50,095 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-25 00:48:50,096 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2020-09-25 00:48:50,096 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [372878284] [2020-09-25 00:48:50,103 INFO L459 AbstractCegarLoop]: Interpolant automaton has 10 states [2020-09-25 00:48:50,104 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-25 00:48:50,105 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2020-09-25 00:48:50,105 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=20, Invalid=70, Unknown=0, NotChecked=0, Total=90 [2020-09-25 00:48:50,105 INFO L87 Difference]: Start difference. First operand 357 states and 397 transitions. Second operand 10 states. [2020-09-25 00:48:51,472 WARN L193 SmtUtils]: Spent 234.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-09-25 00:48:51,770 WARN L193 SmtUtils]: Spent 273.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-09-25 00:48:52,108 WARN L193 SmtUtils]: Spent 275.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-09-25 00:48:52,413 WARN L193 SmtUtils]: Spent 231.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-09-25 00:48:52,699 WARN L193 SmtUtils]: Spent 254.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-09-25 00:48:53,732 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-25 00:48:53,732 INFO L93 Difference]: Finished difference Result 761 states and 950 transitions. [2020-09-25 00:48:53,733 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2020-09-25 00:48:53,733 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 229 [2020-09-25 00:48:53,734 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-25 00:48:53,741 INFO L225 Difference]: With dead ends: 761 [2020-09-25 00:48:53,741 INFO L226 Difference]: Without dead ends: 519 [2020-09-25 00:48:53,745 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 56 GetRequests, 39 SyntacticMatches, 0 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 36 ImplicationChecksByTransitivity, 1.7s TimeCoverageRelationStatistics Valid=104, Invalid=238, Unknown=0, NotChecked=0, Total=342 [2020-09-25 00:48:53,747 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 519 states. [2020-09-25 00:48:53,806 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 519 to 366. [2020-09-25 00:48:53,807 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 366 states. [2020-09-25 00:48:53,809 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 366 states to 366 states and 409 transitions. [2020-09-25 00:48:53,810 INFO L78 Accepts]: Start accepts. Automaton has 366 states and 409 transitions. Word has length 229 [2020-09-25 00:48:53,811 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-25 00:48:53,811 INFO L479 AbstractCegarLoop]: Abstraction has 366 states and 409 transitions. [2020-09-25 00:48:53,811 INFO L480 AbstractCegarLoop]: Interpolant automaton has 10 states. [2020-09-25 00:48:53,811 INFO L276 IsEmpty]: Start isEmpty. Operand 366 states and 409 transitions. [2020-09-25 00:48:53,815 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 230 [2020-09-25 00:48:53,815 INFO L414 BasicCegarLoop]: Found error trace [2020-09-25 00:48:53,816 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 00:48:53,816 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-09-25 00:48:53,816 INFO L427 AbstractCegarLoop]: === Iteration 3 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-25 00:48:53,816 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-25 00:48:53,817 INFO L82 PathProgramCache]: Analyzing trace with hash 228243133, now seen corresponding path program 1 times [2020-09-25 00:48:53,817 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-25 00:48:53,817 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [85056832] [2020-09-25 00:48:53,817 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-25 00:48:53,875 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 00:48:53,940 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 00:48:54,802 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 00:48:54,802 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 280 [2020-09-25 00:48:54,803 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 00:48:54,803 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 923 [2020-09-25 00:48:54,803 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-09-25 00:48:54,804 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-09-25 00:48:54,804 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 201 [2020-09-25 00:48:54,804 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 9 [2020-09-25 00:48:54,805 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 00:48:55,238 WARN L193 SmtUtils]: Spent 352.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-09-25 00:48:55,240 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-25 00:48:55,250 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 00:48:55,260 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 00:48:55,370 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 00:48:55,371 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 86 [2020-09-25 00:48:55,371 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 00:48:55,371 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 119 [2020-09-25 00:48:55,372 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-09-25 00:48:55,372 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 00:48:55,372 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 00:48:55,373 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 00:48:55,373 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 00:48:55,414 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2020-09-25 00:48:55,415 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 00:48:55,416 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 00:48:55,418 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 00:48:55,418 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 00:48:55,418 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 00:48:55,418 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-25 00:48:55,418 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-09-25 00:48:55,419 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 00:48:55,419 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 00:48:55,419 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 00:48:55,419 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 00:48:55,420 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2020-09-25 00:48:55,421 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 00:48:55,422 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 00:48:55,423 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 00:48:55,423 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 00:48:55,423 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 00:48:55,423 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-25 00:48:55,424 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-09-25 00:48:55,424 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 00:48:55,424 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 00:48:55,424 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 00:48:55,424 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 00:48:55,425 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2020-09-25 00:48:55,426 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 00:48:55,427 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 00:48:55,429 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 00:48:55,429 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 00:48:55,429 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 00:48:55,430 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-25 00:48:55,430 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-09-25 00:48:55,430 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 00:48:55,430 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 00:48:55,430 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 00:48:55,431 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 00:48:55,432 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2020-09-25 00:48:55,433 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 00:48:55,434 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 00:48:55,435 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 00:48:55,436 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 00:48:55,436 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 00:48:55,436 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-25 00:48:55,436 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-09-25 00:48:55,436 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 00:48:55,437 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 00:48:55,437 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 00:48:55,437 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 00:48:55,444 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2020-09-25 00:48:55,445 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 00:48:55,446 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 00:48:55,447 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 00:48:55,448 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-25 00:48:55,448 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 00:48:55,448 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-25 00:48:55,448 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-09-25 00:48:55,448 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 00:48:55,449 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 00:48:55,449 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 00:48:55,449 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 00:48:55,458 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 129 [2020-09-25 00:48:55,459 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 00:48:55,460 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 00:48:55,462 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 00:48:55,462 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-25 00:48:55,463 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 00:48:55,463 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-25 00:48:55,463 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-09-25 00:48:55,463 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 00:48:55,463 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 00:48:55,464 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 00:48:55,464 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 00:48:55,465 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 134 [2020-09-25 00:48:55,466 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 00:48:55,468 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 00:48:55,469 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 00:48:55,469 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 19 [2020-09-25 00:48:55,469 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 00:48:55,469 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-25 00:48:55,470 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-09-25 00:48:55,470 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 00:48:55,470 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 00:48:55,470 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 00:48:55,470 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 00:48:55,472 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-25 00:48:55,473 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 00:48:55,474 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 00:48:55,475 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 00:48:55,475 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 00:48:55,475 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 00:48:55,476 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-25 00:48:55,476 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-09-25 00:48:55,476 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 00:48:55,476 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 00:48:55,476 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 00:48:55,477 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 00:48:55,486 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 148 [2020-09-25 00:48:55,490 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 00:48:55,497 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 00:48:55,606 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 00:48:55,606 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 72 [2020-09-25 00:48:55,607 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 00:48:55,607 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 114 [2020-09-25 00:48:55,607 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-09-25 00:48:55,607 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-09-25 00:48:55,608 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 24 [2020-09-25 00:48:55,608 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 9 [2020-09-25 00:48:55,608 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 00:48:55,634 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-25 00:48:55,637 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 00:48:55,642 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 00:48:55,674 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 00:48:55,675 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 27 [2020-09-25 00:48:55,675 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 00:48:55,675 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 36 [2020-09-25 00:48:55,675 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-09-25 00:48:55,675 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-09-25 00:48:55,676 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 00:48:55,676 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 22 [2020-09-25 00:48:55,676 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 00:48:55,712 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-25 00:48:55,713 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 00:48:55,714 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 00:48:55,718 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 00:48:55,718 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-09-25 00:48:55,718 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 00:48:55,718 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-09-25 00:48:55,719 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-09-25 00:48:55,719 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 00:48:55,719 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 00:48:55,719 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 00:48:55,719 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 00:48:55,721 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2020-09-25 00:48:55,723 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 00:48:55,727 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 00:48:55,737 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 00:48:55,738 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 37 [2020-09-25 00:48:55,738 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 00:48:55,738 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 13 [2020-09-25 00:48:55,738 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-09-25 00:48:55,739 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 00:48:55,739 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 34 [2020-09-25 00:48:55,739 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 00:48:55,739 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 00:48:55,742 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-09-25 00:48:55,743 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 00:48:55,745 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 00:48:55,746 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 00:48:55,746 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 21 [2020-09-25 00:48:55,747 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 00:48:55,747 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-25 00:48:55,747 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-09-25 00:48:55,747 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 00:48:55,748 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 00:48:55,748 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 00:48:55,748 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 00:48:55,750 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-09-25 00:48:55,751 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 00:48:55,752 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 00:48:55,753 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 00:48:55,753 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 00:48:55,753 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 00:48:55,753 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-25 00:48:55,754 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-09-25 00:48:55,754 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 00:48:55,754 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 00:48:55,754 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 00:48:55,755 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 00:48:55,756 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2020-09-25 00:48:55,757 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 00:48:55,758 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 00:48:55,760 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 00:48:55,760 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-25 00:48:55,761 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 00:48:55,761 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-25 00:48:55,761 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-09-25 00:48:55,761 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 00:48:55,761 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 00:48:55,762 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 00:48:55,762 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 00:48:55,765 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 206 [2020-09-25 00:48:55,766 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 00:48:55,768 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 00:48:55,769 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 00:48:55,769 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 00:48:55,770 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 00:48:55,770 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-25 00:48:55,770 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-09-25 00:48:55,770 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 00:48:55,770 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-09-25 00:48:55,771 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 00:48:55,771 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 00:48:55,772 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 216 [2020-09-25 00:48:55,773 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 00:48:55,774 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 00:48:55,776 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 00:48:55,776 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 00:48:55,776 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 00:48:55,776 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-25 00:48:55,777 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-09-25 00:48:55,777 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 00:48:55,777 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-09-25 00:48:55,777 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 00:48:55,777 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 00:48:55,823 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2020-09-25 00:48:55,823 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [85056832] [2020-09-25 00:48:55,824 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-25 00:48:55,824 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2020-09-25 00:48:55,824 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [148905766] [2020-09-25 00:48:55,825 INFO L459 AbstractCegarLoop]: Interpolant automaton has 11 states [2020-09-25 00:48:55,825 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-25 00:48:55,825 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2020-09-25 00:48:55,826 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=22, Invalid=88, Unknown=0, NotChecked=0, Total=110 [2020-09-25 00:48:55,826 INFO L87 Difference]: Start difference. First operand 366 states and 409 transitions. Second operand 11 states. [2020-09-25 00:48:57,489 WARN L193 SmtUtils]: Spent 274.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-09-25 00:48:57,798 WARN L193 SmtUtils]: Spent 279.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-09-25 00:48:58,101 WARN L193 SmtUtils]: Spent 263.00 ms on a formula simplification that was a NOOP. DAG size: 194 [2020-09-25 00:48:58,418 WARN L193 SmtUtils]: Spent 272.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-09-25 00:48:58,740 WARN L193 SmtUtils]: Spent 279.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-09-25 00:48:59,057 WARN L193 SmtUtils]: Spent 290.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-09-25 00:49:00,020 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-25 00:49:00,020 INFO L93 Difference]: Finished difference Result 775 states and 967 transitions. [2020-09-25 00:49:00,021 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2020-09-25 00:49:00,021 INFO L78 Accepts]: Start accepts. Automaton has 11 states. Word has length 229 [2020-09-25 00:49:00,022 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-25 00:49:00,026 INFO L225 Difference]: With dead ends: 775 [2020-09-25 00:49:00,026 INFO L226 Difference]: Without dead ends: 524 [2020-09-25 00:49:00,028 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 57 GetRequests, 38 SyntacticMatches, 0 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 44 ImplicationChecksByTransitivity, 2.2s TimeCoverageRelationStatistics Valid=121, Invalid=299, Unknown=0, NotChecked=0, Total=420 [2020-09-25 00:49:00,029 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 524 states. [2020-09-25 00:49:00,082 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 524 to 374. [2020-09-25 00:49:00,082 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 374 states. [2020-09-25 00:49:00,085 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 374 states to 374 states and 417 transitions. [2020-09-25 00:49:00,085 INFO L78 Accepts]: Start accepts. Automaton has 374 states and 417 transitions. Word has length 229 [2020-09-25 00:49:00,086 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-25 00:49:00,086 INFO L479 AbstractCegarLoop]: Abstraction has 374 states and 417 transitions. [2020-09-25 00:49:00,086 INFO L480 AbstractCegarLoop]: Interpolant automaton has 11 states. [2020-09-25 00:49:00,086 INFO L276 IsEmpty]: Start isEmpty. Operand 374 states and 417 transitions. [2020-09-25 00:49:00,090 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 217 [2020-09-25 00:49:00,090 INFO L414 BasicCegarLoop]: Found error trace [2020-09-25 00:49:00,090 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 00:49:00,090 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-09-25 00:49:00,091 INFO L427 AbstractCegarLoop]: === Iteration 4 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-25 00:49:00,091 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-25 00:49:00,091 INFO L82 PathProgramCache]: Analyzing trace with hash 1051180138, now seen corresponding path program 1 times [2020-09-25 00:49:00,091 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-25 00:49:00,091 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [660836198] [2020-09-25 00:49:00,092 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-25 00:49:00,146 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 00:49:00,213 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 00:49:00,313 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 00:49:04,086 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 00:49:04,086 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 267 [2020-09-25 00:49:04,087 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-09-25 00:49:04,087 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3937 [2020-09-25 00:49:04,087 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-09-25 00:49:04,087 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 00:49:04,087 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 135 [2020-09-25 00:49:04,088 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 3 [2020-09-25 00:49:04,088 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 00:49:04,382 WARN L193 SmtUtils]: Spent 231.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-09-25 00:49:04,382 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-25 00:49:04,389 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 00:49:04,397 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 00:49:04,488 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 00:49:04,488 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 86 [2020-09-25 00:49:04,489 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 00:49:04,489 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 98 [2020-09-25 00:49:04,489 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-09-25 00:49:04,489 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 00:49:04,489 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 00:49:04,490 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 00:49:04,490 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 00:49:04,525 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2020-09-25 00:49:04,526 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 00:49:04,527 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 00:49:04,528 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 00:49:04,528 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 00:49:04,529 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 00:49:04,529 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-25 00:49:04,529 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-09-25 00:49:04,529 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 00:49:04,529 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 00:49:04,530 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 00:49:04,530 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 00:49:04,531 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2020-09-25 00:49:04,533 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 00:49:04,534 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 00:49:04,535 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 00:49:04,536 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 00:49:04,536 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 00:49:04,536 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-25 00:49:04,536 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-09-25 00:49:04,537 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 00:49:04,537 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 00:49:04,537 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 00:49:04,537 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 00:49:04,538 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2020-09-25 00:49:04,539 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 00:49:04,540 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 00:49:04,547 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 00:49:04,547 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 00:49:04,547 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 00:49:04,548 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-09-25 00:49:04,548 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-09-25 00:49:04,548 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 00:49:04,548 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 00:49:04,548 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 00:49:04,548 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 00:49:04,550 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2020-09-25 00:49:04,552 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 00:49:04,553 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 00:49:04,555 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 00:49:04,555 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 00:49:04,556 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 00:49:04,556 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-25 00:49:04,556 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-09-25 00:49:04,556 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 00:49:04,556 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 00:49:04,557 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 00:49:04,557 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 00:49:04,565 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2020-09-25 00:49:04,566 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 00:49:04,567 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 00:49:04,568 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 00:49:04,568 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-25 00:49:04,569 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 00:49:04,569 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-25 00:49:04,569 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-09-25 00:49:04,569 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 00:49:04,569 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 00:49:04,570 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 00:49:04,570 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 00:49:04,571 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 121 [2020-09-25 00:49:04,572 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 00:49:04,574 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 00:49:04,576 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 00:49:04,576 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 19 [2020-09-25 00:49:04,577 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 00:49:04,577 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-25 00:49:04,577 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-09-25 00:49:04,577 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 00:49:04,577 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 16 [2020-09-25 00:49:04,578 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 00:49:04,578 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 00:49:04,579 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-25 00:49:04,580 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 00:49:04,581 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 00:49:04,582 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 00:49:04,583 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 00:49:04,583 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 00:49:04,583 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-25 00:49:04,583 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-09-25 00:49:04,584 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 00:49:04,584 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 00:49:04,584 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 00:49:04,584 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 00:49:04,594 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2020-09-25 00:49:04,601 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 00:49:04,609 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 00:49:04,637 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 00:49:04,637 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 72 [2020-09-25 00:49:04,637 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 00:49:04,637 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 34 [2020-09-25 00:49:04,638 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-09-25 00:49:04,638 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 00:49:04,638 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 69 [2020-09-25 00:49:04,639 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 00:49:04,639 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 00:49:04,643 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-25 00:49:04,644 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 00:49:04,646 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 00:49:04,652 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 00:49:04,652 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 27 [2020-09-25 00:49:04,653 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 00:49:04,653 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-09-25 00:49:04,653 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-09-25 00:49:04,653 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 00:49:04,653 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 00:49:04,654 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 00:49:04,654 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 00:49:04,656 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-25 00:49:04,657 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 00:49:04,658 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 00:49:04,661 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 00:49:04,661 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-09-25 00:49:04,662 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 00:49:04,662 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-25 00:49:04,662 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-09-25 00:49:04,662 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 00:49:04,662 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 00:49:04,663 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 00:49:04,663 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 00:49:04,665 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2020-09-25 00:49:04,666 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 00:49:04,669 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 00:49:04,677 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 00:49:04,678 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 37 [2020-09-25 00:49:04,678 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 00:49:04,678 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 10 [2020-09-25 00:49:04,679 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-09-25 00:49:04,679 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 00:49:04,679 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 00:49:04,679 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 00:49:04,680 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 00:49:04,722 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-09-25 00:49:04,723 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 00:49:04,726 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 00:49:04,727 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 00:49:04,727 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 21 [2020-09-25 00:49:04,728 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 00:49:04,728 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-25 00:49:04,728 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-09-25 00:49:04,728 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 00:49:04,729 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 00:49:04,729 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 00:49:04,729 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 00:49:04,731 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-09-25 00:49:04,732 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 00:49:04,734 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 00:49:04,735 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 00:49:04,735 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 00:49:04,736 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 00:49:04,736 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-25 00:49:04,736 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-09-25 00:49:04,736 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 00:49:04,737 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 00:49:04,737 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 00:49:04,737 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 00:49:04,741 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2020-09-25 00:49:04,741 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 00:49:04,743 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 00:49:04,745 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 00:49:04,745 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-25 00:49:04,745 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 00:49:04,745 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-25 00:49:04,745 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-09-25 00:49:04,746 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 00:49:04,746 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 00:49:04,746 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 00:49:04,746 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 00:49:04,750 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 193 [2020-09-25 00:49:04,750 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 00:49:04,751 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 00:49:04,753 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 00:49:04,753 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 00:49:04,753 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 00:49:04,753 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-25 00:49:04,753 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-09-25 00:49:04,754 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 00:49:04,754 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-09-25 00:49:04,754 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 00:49:04,754 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 00:49:04,756 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 203 [2020-09-25 00:49:04,756 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 00:49:04,758 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 00:49:04,759 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 00:49:04,759 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 00:49:04,759 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 00:49:04,760 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-25 00:49:04,760 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-09-25 00:49:04,760 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 00:49:04,760 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-09-25 00:49:04,760 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 00:49:04,761 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 00:49:04,837 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2020-09-25 00:49:04,838 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [660836198] [2020-09-25 00:49:04,838 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-25 00:49:04,839 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2020-09-25 00:49:04,839 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [882960321] [2020-09-25 00:49:04,840 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2020-09-25 00:49:04,840 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-25 00:49:04,841 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2020-09-25 00:49:04,841 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2020-09-25 00:49:04,841 INFO L87 Difference]: Start difference. First operand 374 states and 417 transitions. Second operand 6 states. [2020-09-25 00:49:05,728 WARN L193 SmtUtils]: Spent 309.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-09-25 00:49:06,637 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-25 00:49:06,637 INFO L93 Difference]: Finished difference Result 610 states and 696 transitions. [2020-09-25 00:49:06,637 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2020-09-25 00:49:06,638 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 216 [2020-09-25 00:49:06,638 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-25 00:49:06,640 INFO L225 Difference]: With dead ends: 610 [2020-09-25 00:49:06,640 INFO L226 Difference]: Without dead ends: 419 [2020-09-25 00:49:06,642 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 42 GetRequests, 34 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=36, Invalid=54, Unknown=0, NotChecked=0, Total=90 [2020-09-25 00:49:06,643 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 419 states. [2020-09-25 00:49:06,679 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 419 to 354. [2020-09-25 00:49:06,680 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 354 states. [2020-09-25 00:49:06,682 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 354 states to 354 states and 385 transitions. [2020-09-25 00:49:06,682 INFO L78 Accepts]: Start accepts. Automaton has 354 states and 385 transitions. Word has length 216 [2020-09-25 00:49:06,683 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-25 00:49:06,683 INFO L479 AbstractCegarLoop]: Abstraction has 354 states and 385 transitions. [2020-09-25 00:49:06,683 INFO L480 AbstractCegarLoop]: Interpolant automaton has 6 states. [2020-09-25 00:49:06,683 INFO L276 IsEmpty]: Start isEmpty. Operand 354 states and 385 transitions. [2020-09-25 00:49:06,686 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 230 [2020-09-25 00:49:06,687 INFO L414 BasicCegarLoop]: Found error trace [2020-09-25 00:49:06,687 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 00:49:06,687 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2020-09-25 00:49:06,688 INFO L427 AbstractCegarLoop]: === Iteration 5 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-25 00:49:06,688 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-25 00:49:06,688 INFO L82 PathProgramCache]: Analyzing trace with hash 1047570778, now seen corresponding path program 1 times [2020-09-25 00:49:06,688 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-25 00:49:06,688 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1441630272] [2020-09-25 00:49:06,689 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-25 00:49:06,745 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 00:49:06,804 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 00:49:08,156 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 00:49:08,156 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 280 [2020-09-25 00:49:08,156 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 00:49:08,156 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1407 [2020-09-25 00:49:08,157 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-09-25 00:49:08,157 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 10 [2020-09-25 00:49:08,157 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 80 [2020-09-25 00:49:08,157 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 113 [2020-09-25 00:49:08,157 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 00:49:08,527 WARN L193 SmtUtils]: Spent 288.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-09-25 00:49:08,528 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-25 00:49:08,559 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 00:49:08,598 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 00:49:08,823 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 00:49:08,824 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 86 [2020-09-25 00:49:08,824 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 00:49:08,825 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 263 [2020-09-25 00:49:08,825 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-09-25 00:49:08,825 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 00:49:08,826 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 00:49:08,826 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 76 [2020-09-25 00:49:08,826 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 00:49:08,878 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2020-09-25 00:49:08,879 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 00:49:08,881 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 00:49:08,883 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 00:49:08,884 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 00:49:08,884 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 00:49:08,884 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-25 00:49:08,885 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-09-25 00:49:08,885 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 00:49:08,885 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 00:49:08,886 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-25 00:49:08,886 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 00:49:08,891 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2020-09-25 00:49:08,892 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 00:49:08,894 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 00:49:08,896 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 00:49:08,897 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 00:49:08,897 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 00:49:08,898 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-25 00:49:08,898 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-09-25 00:49:08,898 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 00:49:08,899 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 00:49:08,899 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-25 00:49:08,899 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 00:49:08,901 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2020-09-25 00:49:08,902 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 00:49:08,904 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 00:49:08,911 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 00:49:08,912 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 00:49:08,912 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 00:49:08,912 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 8 [2020-09-25 00:49:08,913 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-09-25 00:49:08,913 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 00:49:08,913 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 00:49:08,914 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-09-25 00:49:08,914 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 00:49:08,916 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2020-09-25 00:49:08,917 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 00:49:08,918 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 00:49:08,920 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 00:49:08,921 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 00:49:08,921 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 00:49:08,922 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-25 00:49:08,922 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-09-25 00:49:08,922 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 00:49:08,923 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 00:49:08,923 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-25 00:49:08,923 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 00:49:08,935 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2020-09-25 00:49:08,936 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 00:49:08,938 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 00:49:08,941 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 00:49:08,941 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-25 00:49:08,942 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 00:49:08,942 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-09-25 00:49:08,943 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-09-25 00:49:08,943 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 00:49:08,943 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 00:49:08,943 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-09-25 00:49:08,944 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 00:49:08,957 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 129 [2020-09-25 00:49:08,959 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 00:49:08,960 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 00:49:08,965 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 00:49:08,965 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-25 00:49:08,966 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 00:49:08,966 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-09-25 00:49:08,966 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-09-25 00:49:08,966 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 00:49:08,967 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 00:49:08,967 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-09-25 00:49:08,968 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 00:49:08,969 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 134 [2020-09-25 00:49:08,971 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 00:49:08,974 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 00:49:08,978 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 00:49:08,979 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 19 [2020-09-25 00:49:08,979 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 00:49:08,979 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-09-25 00:49:08,980 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-09-25 00:49:08,980 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 00:49:08,980 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 00:49:08,981 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 15 [2020-09-25 00:49:08,981 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 00:49:08,983 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-25 00:49:08,984 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 00:49:08,986 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 00:49:08,988 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 00:49:08,988 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 00:49:08,988 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 00:49:08,989 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-25 00:49:08,989 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-09-25 00:49:08,989 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 00:49:08,990 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 00:49:08,990 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 00:49:08,990 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 00:49:09,005 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 148 [2020-09-25 00:49:09,011 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 00:49:09,020 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 00:49:09,055 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 00:49:09,055 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 72 [2020-09-25 00:49:09,056 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 00:49:09,056 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 42 [2020-09-25 00:49:09,056 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-09-25 00:49:09,056 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 00:49:09,056 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 15 [2020-09-25 00:49:09,057 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 55 [2020-09-25 00:49:09,057 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 00:49:09,074 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-25 00:49:09,076 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 00:49:09,079 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 00:49:09,094 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 00:49:09,094 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 27 [2020-09-25 00:49:09,094 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 00:49:09,095 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 16 [2020-09-25 00:49:09,095 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-09-25 00:49:09,096 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 00:49:09,096 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 00:49:09,096 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 9 [2020-09-25 00:49:09,097 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 00:49:09,115 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-25 00:49:09,116 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 00:49:09,118 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 00:49:09,121 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 00:49:09,122 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-09-25 00:49:09,122 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 00:49:09,122 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-09-25 00:49:09,123 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-09-25 00:49:09,123 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 00:49:09,123 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 00:49:09,124 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 3 [2020-09-25 00:49:09,124 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 00:49:09,141 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2020-09-25 00:49:09,144 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 00:49:09,149 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 00:49:09,167 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 00:49:09,168 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 37 [2020-09-25 00:49:09,168 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 00:49:09,169 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 22 [2020-09-25 00:49:09,169 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-09-25 00:49:09,169 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 00:49:09,170 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 00:49:09,170 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 33 [2020-09-25 00:49:09,170 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 00:49:09,175 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-09-25 00:49:09,176 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 00:49:09,177 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 00:49:09,179 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 00:49:09,180 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 21 [2020-09-25 00:49:09,180 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 00:49:09,180 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-25 00:49:09,181 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-09-25 00:49:09,181 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 00:49:09,182 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 00:49:09,182 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 00:49:09,182 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 00:49:09,185 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-09-25 00:49:09,185 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 00:49:09,187 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 00:49:09,188 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 00:49:09,189 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 00:49:09,189 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 00:49:09,189 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-25 00:49:09,190 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-09-25 00:49:09,190 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 00:49:09,191 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 00:49:09,191 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 00:49:09,191 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 00:49:09,193 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2020-09-25 00:49:09,194 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 00:49:09,195 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 00:49:09,198 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 00:49:09,198 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-25 00:49:09,198 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 00:49:09,199 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-25 00:49:09,199 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-09-25 00:49:09,200 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 00:49:09,200 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 00:49:09,200 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 00:49:09,201 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 00:49:09,207 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 206 [2020-09-25 00:49:09,208 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 00:49:09,209 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 00:49:09,211 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 00:49:09,211 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 00:49:09,211 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 00:49:09,212 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-25 00:49:09,212 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-09-25 00:49:09,212 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 00:49:09,213 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-09-25 00:49:09,213 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 00:49:09,213 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 00:49:09,215 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 216 [2020-09-25 00:49:09,216 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 00:49:09,217 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 00:49:09,219 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 00:49:09,219 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 00:49:09,220 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 00:49:09,220 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-25 00:49:09,220 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-09-25 00:49:09,221 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 00:49:09,221 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-09-25 00:49:09,221 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 00:49:09,222 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 00:49:09,327 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2020-09-25 00:49:09,327 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1441630272] [2020-09-25 00:49:09,327 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-25 00:49:09,328 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2020-09-25 00:49:09,328 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1282871390] [2020-09-25 00:49:09,329 INFO L459 AbstractCegarLoop]: Interpolant automaton has 8 states [2020-09-25 00:49:09,329 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-25 00:49:09,330 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2020-09-25 00:49:09,330 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=40, Unknown=0, NotChecked=0, Total=56 [2020-09-25 00:49:09,330 INFO L87 Difference]: Start difference. First operand 354 states and 385 transitions. Second operand 8 states. [2020-09-25 00:49:10,118 WARN L193 SmtUtils]: Spent 360.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-25 00:49:10,817 WARN L193 SmtUtils]: Spent 252.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-25 00:49:13,057 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-25 00:49:13,057 INFO L93 Difference]: Finished difference Result 1065 states and 1304 transitions. [2020-09-25 00:49:13,058 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2020-09-25 00:49:13,058 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 229 [2020-09-25 00:49:13,059 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-25 00:49:13,065 INFO L225 Difference]: With dead ends: 1065 [2020-09-25 00:49:13,065 INFO L226 Difference]: Without dead ends: 826 [2020-09-25 00:49:13,067 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 71 GetRequests, 47 SyntacticMatches, 2 SemanticMatches, 22 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 129 ImplicationChecksByTransitivity, 1.1s TimeCoverageRelationStatistics Valid=144, Invalid=408, Unknown=0, NotChecked=0, Total=552 [2020-09-25 00:49:13,068 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 826 states. [2020-09-25 00:49:13,161 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 826 to 619. [2020-09-25 00:49:13,162 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 619 states. [2020-09-25 00:49:13,167 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 619 states to 619 states and 691 transitions. [2020-09-25 00:49:13,169 INFO L78 Accepts]: Start accepts. Automaton has 619 states and 691 transitions. Word has length 229 [2020-09-25 00:49:13,169 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-25 00:49:13,169 INFO L479 AbstractCegarLoop]: Abstraction has 619 states and 691 transitions. [2020-09-25 00:49:13,169 INFO L480 AbstractCegarLoop]: Interpolant automaton has 8 states. [2020-09-25 00:49:13,169 INFO L276 IsEmpty]: Start isEmpty. Operand 619 states and 691 transitions. [2020-09-25 00:49:13,174 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 235 [2020-09-25 00:49:13,174 INFO L414 BasicCegarLoop]: Found error trace [2020-09-25 00:49:13,174 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 00:49:13,175 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2020-09-25 00:49:13,175 INFO L427 AbstractCegarLoop]: === Iteration 6 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-25 00:49:13,175 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-25 00:49:13,175 INFO L82 PathProgramCache]: Analyzing trace with hash 755772471, now seen corresponding path program 1 times [2020-09-25 00:49:13,175 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-25 00:49:13,176 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1503483377] [2020-09-25 00:49:13,177 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-25 00:49:13,240 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 00:49:13,317 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 00:49:13,572 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 00:49:18,265 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 00:49:18,266 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 287 [2020-09-25 00:49:18,266 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-09-25 00:49:18,266 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5022 [2020-09-25 00:49:18,267 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-09-25 00:49:18,267 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 10 [2020-09-25 00:49:18,267 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 145 [2020-09-25 00:49:18,267 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 125 [2020-09-25 00:49:18,267 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 00:49:18,624 WARN L193 SmtUtils]: Spent 230.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-09-25 00:49:18,629 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-25 00:49:18,645 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 00:49:18,670 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 00:49:18,767 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 00:49:18,768 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 86 [2020-09-25 00:49:18,768 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 00:49:18,768 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 117 [2020-09-25 00:49:18,768 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-09-25 00:49:18,769 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 00:49:18,769 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 00:49:18,769 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 00:49:18,769 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 00:49:18,802 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2020-09-25 00:49:18,803 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 00:49:18,804 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 00:49:18,805 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 00:49:18,806 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 00:49:18,806 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 00:49:18,806 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-25 00:49:18,806 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-09-25 00:49:18,807 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 00:49:18,807 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 00:49:18,807 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 00:49:18,807 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 00:49:18,813 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2020-09-25 00:49:18,814 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 00:49:18,815 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 00:49:18,816 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 00:49:18,816 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 00:49:18,816 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 00:49:18,817 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-25 00:49:18,817 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-09-25 00:49:18,817 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 00:49:18,817 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 00:49:18,817 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 00:49:18,818 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 00:49:18,818 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2020-09-25 00:49:18,819 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 00:49:18,820 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 00:49:18,823 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 00:49:18,823 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 00:49:18,823 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 00:49:18,824 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-25 00:49:18,824 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-09-25 00:49:18,824 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 00:49:18,824 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 00:49:18,824 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 00:49:18,825 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 00:49:18,826 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2020-09-25 00:49:18,828 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 00:49:18,829 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 00:49:18,830 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 00:49:18,830 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 00:49:18,830 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 00:49:18,830 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-25 00:49:18,830 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-09-25 00:49:18,831 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 00:49:18,831 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 00:49:18,831 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 00:49:18,831 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 00:49:18,844 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2020-09-25 00:49:18,845 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 00:49:18,846 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 00:49:18,848 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 00:49:18,848 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-25 00:49:18,848 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 00:49:18,848 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-25 00:49:18,849 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-09-25 00:49:18,849 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 00:49:18,849 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 00:49:18,849 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 00:49:18,849 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 00:49:18,861 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 121 [2020-09-25 00:49:18,862 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 00:49:18,864 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 00:49:18,868 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 00:49:18,868 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-09-25 00:49:18,868 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 00:49:18,868 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-09-25 00:49:18,869 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-09-25 00:49:18,869 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-09-25 00:49:18,869 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 00:49:18,869 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 3 [2020-09-25 00:49:18,869 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 00:49:18,895 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 134 [2020-09-25 00:49:18,896 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 00:49:18,897 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 00:49:18,902 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 00:49:18,903 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-25 00:49:18,903 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 00:49:18,903 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-09-25 00:49:18,903 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-09-25 00:49:18,903 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 00:49:18,904 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 00:49:18,904 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-09-25 00:49:18,904 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 00:49:18,906 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 139 [2020-09-25 00:49:18,907 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 00:49:18,909 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 00:49:18,912 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 00:49:18,912 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 19 [2020-09-25 00:49:18,913 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 00:49:18,913 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-09-25 00:49:18,913 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-09-25 00:49:18,913 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 00:49:18,913 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 00:49:18,914 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 15 [2020-09-25 00:49:18,914 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 00:49:18,916 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-25 00:49:18,917 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 00:49:18,918 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 00:49:18,919 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 00:49:18,919 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 00:49:18,919 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 00:49:18,920 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-25 00:49:18,920 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-09-25 00:49:18,920 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 00:49:18,920 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 00:49:18,920 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 00:49:18,920 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 00:49:18,934 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 153 [2020-09-25 00:49:18,939 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 00:49:18,947 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 00:49:18,993 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 00:49:18,993 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 72 [2020-09-25 00:49:18,993 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 00:49:18,993 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 52 [2020-09-25 00:49:18,993 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-09-25 00:49:18,994 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-09-25 00:49:18,994 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 00:49:18,994 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 68 [2020-09-25 00:49:18,994 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 00:49:19,013 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-25 00:49:19,015 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 00:49:19,017 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 00:49:19,031 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 00:49:19,031 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 27 [2020-09-25 00:49:19,031 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 00:49:19,031 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 15 [2020-09-25 00:49:19,031 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-09-25 00:49:19,032 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 00:49:19,032 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 00:49:19,032 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 9 [2020-09-25 00:49:19,032 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 00:49:19,038 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-25 00:49:19,039 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 00:49:19,040 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 00:49:19,042 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 00:49:19,042 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-09-25 00:49:19,043 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 00:49:19,043 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-25 00:49:19,043 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-09-25 00:49:19,043 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 00:49:19,043 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 00:49:19,044 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 3 [2020-09-25 00:49:19,044 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 00:49:19,047 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2020-09-25 00:49:19,049 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 00:49:19,054 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 00:49:19,070 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 00:49:19,070 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 37 [2020-09-25 00:49:19,071 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 00:49:19,071 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 20 [2020-09-25 00:49:19,071 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-09-25 00:49:19,071 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 00:49:19,071 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 00:49:19,072 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 33 [2020-09-25 00:49:19,072 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 00:49:19,075 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-09-25 00:49:19,076 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 00:49:19,078 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 00:49:19,079 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 00:49:19,079 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 21 [2020-09-25 00:49:19,079 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 00:49:19,079 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-25 00:49:19,080 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-09-25 00:49:19,080 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 00:49:19,080 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 00:49:19,080 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 00:49:19,080 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 00:49:19,082 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-09-25 00:49:19,083 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 00:49:19,084 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 00:49:19,086 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 00:49:19,086 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 00:49:19,086 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 00:49:19,086 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-25 00:49:19,086 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-09-25 00:49:19,087 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 00:49:19,087 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 00:49:19,087 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 00:49:19,087 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 00:49:19,089 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2020-09-25 00:49:19,089 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 00:49:19,090 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 00:49:19,092 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 00:49:19,093 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-25 00:49:19,093 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 00:49:19,093 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-25 00:49:19,093 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-09-25 00:49:19,094 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 00:49:19,094 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 00:49:19,094 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 00:49:19,094 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 00:49:19,098 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 211 [2020-09-25 00:49:19,100 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 00:49:19,102 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 00:49:19,108 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 00:49:19,109 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 00:49:19,109 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 00:49:19,109 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 8 [2020-09-25 00:49:19,109 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-09-25 00:49:19,110 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-09-25 00:49:19,110 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 00:49:19,110 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-09-25 00:49:19,110 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 00:49:19,138 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 221 [2020-09-25 00:49:19,139 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 00:49:19,141 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 00:49:19,142 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 00:49:19,142 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 00:49:19,142 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 00:49:19,142 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-25 00:49:19,142 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-09-25 00:49:19,143 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 00:49:19,143 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-09-25 00:49:19,143 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 00:49:19,143 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 00:49:19,195 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2020-09-25 00:49:19,196 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1503483377] [2020-09-25 00:49:19,196 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-25 00:49:19,196 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [15] imperfect sequences [] total 15 [2020-09-25 00:49:19,197 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [479345311] [2020-09-25 00:49:19,197 INFO L459 AbstractCegarLoop]: Interpolant automaton has 15 states [2020-09-25 00:49:19,197 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-25 00:49:19,198 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2020-09-25 00:49:19,198 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=34, Invalid=176, Unknown=0, NotChecked=0, Total=210 [2020-09-25 00:49:19,198 INFO L87 Difference]: Start difference. First operand 619 states and 691 transitions. Second operand 15 states. [2020-09-25 00:49:19,886 WARN L193 SmtUtils]: Spent 278.00 ms on a formula simplification that was a NOOP. DAG size: 189