/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 interpolation-heuristic=FIRST --traceabstraction.additional.smt.options log-additional-information=true -s ../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf -i ../../../trunk/examples/svcomp/product-lines/minepump_spec4_product45.cil.c -------------------------------------------------------------------------------- This is Ultimate 0.1.25-c90d42b [2020-09-24 15:50:24,608 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-09-24 15:50:24,612 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-09-24 15:50:24,638 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-09-24 15:50:24,639 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-09-24 15:50:24,640 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-09-24 15:50:24,642 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-09-24 15:50:24,644 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-09-24 15:50:24,648 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-09-24 15:50:24,651 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-09-24 15:50:24,652 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-09-24 15:50:24,655 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-09-24 15:50:24,655 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-09-24 15:50:24,656 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-09-24 15:50:24,658 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-09-24 15:50:24,663 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-09-24 15:50:24,667 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-09-24 15:50:24,668 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-09-24 15:50:24,671 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-09-24 15:50:24,673 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-09-24 15:50:24,678 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-09-24 15:50:24,680 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-09-24 15:50:24,681 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-09-24 15:50:24,682 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-09-24 15:50:24,688 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-09-24 15:50:24,688 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-09-24 15:50:24,689 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-09-24 15:50:24,693 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-09-24 15:50:24,693 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-09-24 15:50:24,695 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-09-24 15:50:24,695 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-09-24 15:50:24,703 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-09-24 15:50:24,704 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-09-24 15:50:24,705 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-09-24 15:50:24,706 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-09-24 15:50:24,706 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-09-24 15:50:24,710 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-09-24 15:50:24,710 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-09-24 15:50:24,710 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-09-24 15:50:24,712 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-09-24 15:50:24,713 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-09-24 15:50:24,715 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 [2020-09-24 15:50:24,761 INFO L113 SettingsManager]: Loading preferences was successful [2020-09-24 15:50:24,761 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-09-24 15:50:24,764 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-09-24 15:50:24,764 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-09-24 15:50:24,764 INFO L138 SettingsManager]: * Use SBE=true [2020-09-24 15:50:24,764 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-09-24 15:50:24,765 INFO L138 SettingsManager]: * sizeof long=4 [2020-09-24 15:50:24,765 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-09-24 15:50:24,765 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-09-24 15:50:24,765 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-09-24 15:50:24,767 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-09-24 15:50:24,767 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-09-24 15:50:24,767 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-09-24 15:50:24,768 INFO L138 SettingsManager]: * sizeof long double=12 [2020-09-24 15:50:24,768 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-09-24 15:50:24,768 INFO L138 SettingsManager]: * Use constant arrays=true [2020-09-24 15:50:24,768 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-09-24 15:50:24,768 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-09-24 15:50:24,769 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-09-24 15:50:24,769 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-09-24 15:50:24,769 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-09-24 15:50:24,769 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-09-24 15:50:24,769 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-09-24 15:50:24,770 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-09-24 15:50:24,770 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-09-24 15:50:24,770 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-09-24 15:50:24,770 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-09-24 15:50:24,770 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-09-24 15:50:24,770 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-09-24 15:50:24,771 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;interpolation-heuristic=FIRST;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;interpolation-heuristic=FIRST;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;interpolation-heuristic=FIRST;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;interpolation-heuristic=FIRST;log-additional-information=true; [2020-09-24 15:50:25,242 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-09-24 15:50:25,257 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-09-24 15:50:25,262 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-09-24 15:50:25,264 INFO L271 PluginConnector]: Initializing CDTParser... [2020-09-24 15:50:25,264 INFO L275 PluginConnector]: CDTParser initialized [2020-09-24 15:50:25,265 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/product-lines/minepump_spec4_product45.cil.c [2020-09-24 15:50:25,346 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/10c0f10e7/fdc7e9ffe8a94460b40bf56f1e8a491a/FLAGa28556e26 [2020-09-24 15:50:25,978 INFO L306 CDTParser]: Found 1 translation units. [2020-09-24 15:50:25,979 INFO L160 CDTParser]: Scanning /storage/repos/ultimate-2/trunk/examples/svcomp/product-lines/minepump_spec4_product45.cil.c [2020-09-24 15:50:25,992 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/10c0f10e7/fdc7e9ffe8a94460b40bf56f1e8a491a/FLAGa28556e26 [2020-09-24 15:50:26,246 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/10c0f10e7/fdc7e9ffe8a94460b40bf56f1e8a491a [2020-09-24 15:50:26,260 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-09-24 15:50:26,267 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-09-24 15:50:26,268 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-09-24 15:50:26,268 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-09-24 15:50:26,273 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-09-24 15:50:26,275 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.09 03:50:26" (1/1) ... [2020-09-24 15:50:26,283 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@538d8bff and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.09 03:50:26, skipping insertion in model container [2020-09-24 15:50:26,283 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.09 03:50:26" (1/1) ... [2020-09-24 15:50:26,293 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-09-24 15:50:26,363 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-09-24 15:50:26,710 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-09-24 15:50:26,726 INFO L203 MainTranslator]: Completed pre-run [2020-09-24 15:50:26,954 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-09-24 15:50:26,989 INFO L208 MainTranslator]: Completed translation [2020-09-24 15:50:26,990 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.09 03:50:26 WrapperNode [2020-09-24 15:50:26,990 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-09-24 15:50:26,991 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-09-24 15:50:26,991 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-09-24 15:50:26,991 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-09-24 15:50:27,005 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.09 03:50:26" (1/1) ... [2020-09-24 15:50:27,006 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.09 03:50:26" (1/1) ... [2020-09-24 15:50:27,027 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.09 03:50:26" (1/1) ... [2020-09-24 15:50:27,027 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.09 03:50:26" (1/1) ... [2020-09-24 15:50:27,061 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.09 03:50:26" (1/1) ... [2020-09-24 15:50:27,075 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.09 03:50:26" (1/1) ... [2020-09-24 15:50:27,081 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.09 03:50:26" (1/1) ... [2020-09-24 15:50:27,089 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-09-24 15:50:27,091 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-09-24 15:50:27,091 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-09-24 15:50:27,091 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-09-24 15:50:27,092 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.09 03:50:26" (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 [2020-09-24 15:50:27,173 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-09-24 15:50:27,174 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-09-24 15:50:27,174 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~X~int~TO~int [2020-09-24 15:50:27,174 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2020-09-24 15:50:27,175 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2020-09-24 15:50:27,175 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__base [2020-09-24 15:50:27,175 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__methaneQuery [2020-09-24 15:50:27,175 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment [2020-09-24 15:50:27,176 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump__wrappee__highWaterSensor [2020-09-24 15:50:27,177 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump [2020-09-24 15:50:27,177 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivatePump [2020-09-24 15:50:27,177 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneAlarm [2020-09-24 15:50:27,177 INFO L138 BoogieDeclarations]: Found implementation of procedure isPumpRunning [2020-09-24 15:50:27,177 INFO L138 BoogieDeclarations]: Found implementation of procedure printPump [2020-09-24 15:50:27,178 INFO L138 BoogieDeclarations]: Found implementation of procedure isHighWaterLevel [2020-09-24 15:50:27,179 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2020-09-24 15:50:27,179 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_set [2020-09-24 15:50:27,179 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_free [2020-09-24 15:50:27,179 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_reset [2020-09-24 15:50:27,180 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__error_stack_mgt [2020-09-24 15:50:27,180 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_arg [2020-09-24 15:50:27,180 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_argtype [2020-09-24 15:50:27,181 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification4_spec__1 [2020-09-24 15:50:27,181 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2020-09-24 15:50:27,183 INFO L138 BoogieDeclarations]: Found implementation of procedure Specification2 [2020-09-24 15:50:27,183 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2020-09-24 15:50:27,184 INFO L138 BoogieDeclarations]: Found implementation of procedure runTest [2020-09-24 15:50:27,184 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-09-24 15:50:27,184 INFO L138 BoogieDeclarations]: Found implementation of procedure lowerWaterLevel [2020-09-24 15:50:27,184 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2020-09-24 15:50:27,185 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2020-09-24 15:50:27,185 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2020-09-24 15:50:27,185 INFO L138 BoogieDeclarations]: Found implementation of procedure printEnvironment [2020-09-24 15:50:27,185 INFO L138 BoogieDeclarations]: Found implementation of procedure getWaterLevel [2020-09-24 15:50:27,186 INFO L138 BoogieDeclarations]: Found implementation of procedure isHighWaterSensorDry [2020-09-24 15:50:27,186 INFO L138 BoogieDeclarations]: Found implementation of procedure select_one [2020-09-24 15:50:27,186 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2020-09-24 15:50:27,186 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2020-09-24 15:50:27,186 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2020-09-24 15:50:27,187 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2020-09-24 15:50:27,187 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2020-09-24 15:50:27,187 INFO L130 BoogieDeclarations]: Found specification of procedure printf [2020-09-24 15:50:27,187 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2020-09-24 15:50:27,187 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2020-09-24 15:50:27,187 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2020-09-24 15:50:27,188 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2020-09-24 15:50:27,188 INFO L130 BoogieDeclarations]: Found specification of procedure test [2020-09-24 15:50:27,188 INFO L130 BoogieDeclarations]: Found specification of procedure lowerWaterLevel [2020-09-24 15:50:27,188 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2020-09-24 15:50:27,188 INFO L130 BoogieDeclarations]: Found specification of procedure printEnvironment [2020-09-24 15:50:27,188 INFO L130 BoogieDeclarations]: Found specification of procedure isHighWaterSensorDry [2020-09-24 15:50:27,189 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump [2020-09-24 15:50:27,189 INFO L130 BoogieDeclarations]: Found specification of procedure deactivatePump [2020-09-24 15:50:27,189 INFO L130 BoogieDeclarations]: Found specification of procedure isPumpRunning [2020-09-24 15:50:27,190 INFO L130 BoogieDeclarations]: Found specification of procedure printPump [2020-09-24 15:50:27,190 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification4_spec__1 [2020-09-24 15:50:27,190 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment [2020-09-24 15:50:27,190 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__base [2020-09-24 15:50:27,190 INFO L130 BoogieDeclarations]: Found specification of procedure isHighWaterLevel [2020-09-24 15:50:27,190 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__methaneQuery [2020-09-24 15:50:27,191 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneAlarm [2020-09-24 15:50:27,191 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump__wrappee__highWaterSensor [2020-09-24 15:50:27,191 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-09-24 15:50:27,191 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2020-09-24 15:50:27,191 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2020-09-24 15:50:27,191 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2020-09-24 15:50:27,192 INFO L130 BoogieDeclarations]: Found specification of procedure free [2020-09-24 15:50:27,192 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_set [2020-09-24 15:50:27,192 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2020-09-24 15:50:27,192 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2020-09-24 15:50:27,192 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-09-24 15:50:27,193 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2020-09-24 15:50:27,194 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_free [2020-09-24 15:50:27,195 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-09-24 15:50:27,195 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_reset [2020-09-24 15:50:27,195 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~X~int~TO~int [2020-09-24 15:50:27,195 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2020-09-24 15:50:27,195 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__error_stack_mgt [2020-09-24 15:50:27,195 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_arg [2020-09-24 15:50:27,196 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_argtype [2020-09-24 15:50:27,196 INFO L130 BoogieDeclarations]: Found specification of procedure getWaterLevel [2020-09-24 15:50:27,196 INFO L130 BoogieDeclarations]: Found specification of procedure Specification2 [2020-09-24 15:50:27,197 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2020-09-24 15:50:27,197 INFO L130 BoogieDeclarations]: Found specification of procedure runTest [2020-09-24 15:50:27,197 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2020-09-24 15:50:27,197 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2020-09-24 15:50:27,197 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2020-09-24 15:50:27,198 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-09-24 15:50:27,198 INFO L130 BoogieDeclarations]: Found specification of procedure select_one [2020-09-24 15:50:27,198 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-09-24 15:50:27,198 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-09-24 15:50:27,198 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-09-24 15:50:28,381 INFO L290 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-09-24 15:50:28,382 INFO L295 CfgBuilder]: Removed 5 assume(true) statements. [2020-09-24 15:50:28,389 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.09 03:50:28 BoogieIcfgContainer [2020-09-24 15:50:28,389 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-09-24 15:50:28,390 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-09-24 15:50:28,391 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-09-24 15:50:28,394 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-09-24 15:50:28,395 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 24.09 03:50:26" (1/3) ... [2020-09-24 15:50:28,395 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2300034b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 24.09 03:50:28, skipping insertion in model container [2020-09-24 15:50:28,396 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.09 03:50:26" (2/3) ... [2020-09-24 15:50:28,396 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2300034b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 24.09 03:50:28, skipping insertion in model container [2020-09-24 15:50:28,396 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.09 03:50:28" (3/3) ... [2020-09-24 15:50:28,398 INFO L109 eAbstractionObserver]: Analyzing ICFG minepump_spec4_product45.cil.c [2020-09-24 15:50:28,410 INFO L157 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:Craig_NestedInterpolation Determinization: PREDICATE_ABSTRACTION [2020-09-24 15:50:28,421 INFO L169 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-09-24 15:50:28,441 INFO L251 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-09-24 15:50:28,471 INFO L375 AbstractCegarLoop]: Interprodecural is true [2020-09-24 15:50:28,471 INFO L376 AbstractCegarLoop]: Hoare is true [2020-09-24 15:50:28,471 INFO L377 AbstractCegarLoop]: Compute interpolants for Craig_NestedInterpolation [2020-09-24 15:50:28,471 INFO L378 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-09-24 15:50:28,471 INFO L379 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-09-24 15:50:28,471 INFO L380 AbstractCegarLoop]: Difference is false [2020-09-24 15:50:28,471 INFO L381 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-09-24 15:50:28,472 INFO L385 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-09-24 15:50:28,498 INFO L276 IsEmpty]: Start isEmpty. Operand 315 states. [2020-09-24 15:50:28,514 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 143 [2020-09-24 15:50:28,515 INFO L414 BasicCegarLoop]: Found error trace [2020-09-24 15:50:28,516 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-09-24 15:50:28,517 INFO L427 AbstractCegarLoop]: === Iteration 1 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-24 15:50:28,523 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-24 15:50:28,523 INFO L82 PathProgramCache]: Analyzing trace with hash 2095519096, now seen corresponding path program 1 times [2020-09-24 15:50:28,533 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-24 15:50:28,534 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1108270181] [2020-09-24 15:50:28,535 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-24 15:50:28,919 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:50:28,944 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:50:28,945 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:50:28,948 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:50:28,949 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:50:28,949 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 173 [2020-09-24 15:50:28,949 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:50:28,950 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 18 [2020-09-24 15:50:28,950 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:50:28,951 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:50:28,952 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 129 [2020-09-24 15:50:28,952 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:50:28,952 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 2 [2020-09-24 15:50:29,435 WARN L193 SmtUtils]: Spent 304.00 ms on a formula simplification that was a NOOP. DAG size: 184 [2020-09-24 15:50:29,438 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-24 15:50:29,457 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:50:29,459 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:50:29,459 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:50:29,460 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:50:29,460 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:50:29,460 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 85 [2020-09-24 15:50:29,461 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:50:29,461 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-24 15:50:29,461 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:50:29,462 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:50:29,462 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:50:29,462 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:50:29,462 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 15:50:29,600 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2020-09-24 15:50:29,601 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:50:29,602 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:50:29,602 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:50:29,603 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:50:29,603 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:50:29,603 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-24 15:50:29,603 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:50:29,604 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:50:29,604 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:50:29,604 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:50:29,604 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:50:29,604 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:50:29,605 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:50:29,606 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 86 [2020-09-24 15:50:29,607 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:50:29,608 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:50:29,609 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:50:29,609 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:50:29,609 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:50:29,609 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-24 15:50:29,610 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:50:29,610 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:50:29,610 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:50:29,610 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:50:29,611 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:50:29,611 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:50:29,611 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:50:29,613 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2020-09-24 15:50:29,614 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:50:29,615 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:50:29,615 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:50:29,616 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:50:29,616 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:50:29,616 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-24 15:50:29,616 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:50:29,617 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:50:29,617 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:50:29,618 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:50:29,618 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:50:29,618 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:50:29,619 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 15:50:29,622 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 99 [2020-09-24 15:50:29,622 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:50:29,623 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:50:29,624 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:50:29,624 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:50:29,624 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:50:29,625 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-24 15:50:29,625 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:50:29,625 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:50:29,625 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:50:29,626 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:50:29,626 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:50:29,626 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:50:29,626 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 15:50:29,628 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 120 [2020-09-24 15:50:29,629 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:50:29,630 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:50:29,631 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:50:29,631 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:50:29,631 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:50:29,632 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-24 15:50:29,632 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:50:29,632 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-24 15:50:29,633 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:50:29,633 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:50:29,633 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-09-24 15:50:29,634 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:50:29,634 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 15:50:29,637 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 130 [2020-09-24 15:50:29,638 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:50:29,639 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:50:29,639 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:50:29,640 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:50:29,640 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:50:29,640 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-24 15:50:29,641 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:50:29,641 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:50:29,641 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:50:29,641 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:50:29,642 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-09-24 15:50:29,642 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:50:29,642 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 15:50:29,671 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-09-24 15:50:29,672 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1108270181] [2020-09-24 15:50:29,675 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-24 15:50:29,675 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-09-24 15:50:29,676 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [981902195] [2020-09-24 15:50:29,683 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-09-24 15:50:29,684 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-24 15:50:29,702 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-09-24 15:50:29,703 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-09-24 15:50:29,706 INFO L87 Difference]: Start difference. First operand 315 states. Second operand 3 states. [2020-09-24 15:50:31,111 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-24 15:50:31,112 INFO L93 Difference]: Finished difference Result 497 states and 590 transitions. [2020-09-24 15:50:31,112 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-09-24 15:50:31,114 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 142 [2020-09-24 15:50:31,115 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-24 15:50:31,152 INFO L225 Difference]: With dead ends: 497 [2020-09-24 15:50:31,152 INFO L226 Difference]: Without dead ends: 307 [2020-09-24 15:50:31,164 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 16 GetRequests, 15 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-09-24 15:50:31,193 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 307 states. [2020-09-24 15:50:31,289 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 307 to 264. [2020-09-24 15:50:31,291 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 264 states. [2020-09-24 15:50:31,293 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 264 states to 264 states and 287 transitions. [2020-09-24 15:50:31,296 INFO L78 Accepts]: Start accepts. Automaton has 264 states and 287 transitions. Word has length 142 [2020-09-24 15:50:31,297 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-24 15:50:31,297 INFO L479 AbstractCegarLoop]: Abstraction has 264 states and 287 transitions. [2020-09-24 15:50:31,297 INFO L480 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-09-24 15:50:31,297 INFO L276 IsEmpty]: Start isEmpty. Operand 264 states and 287 transitions. [2020-09-24 15:50:31,302 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 144 [2020-09-24 15:50:31,303 INFO L414 BasicCegarLoop]: Found error trace [2020-09-24 15:50:31,303 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-09-24 15:50:31,303 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-09-24 15:50:31,304 INFO L427 AbstractCegarLoop]: === Iteration 2 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-24 15:50:31,304 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-24 15:50:31,304 INFO L82 PathProgramCache]: Analyzing trace with hash -89616240, now seen corresponding path program 1 times [2020-09-24 15:50:31,304 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-24 15:50:31,305 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [849253436] [2020-09-24 15:50:31,305 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-24 15:50:31,424 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:50:31,437 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:50:31,437 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:50:31,437 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:50:31,438 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:50:31,438 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 174 [2020-09-24 15:50:31,438 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:50:31,438 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 9 [2020-09-24 15:50:31,439 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:50:31,439 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 15:50:31,439 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 128 [2020-09-24 15:50:31,439 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 3 [2020-09-24 15:50:31,439 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:50:31,793 WARN L193 SmtUtils]: Spent 240.00 ms on a formula simplification that was a NOOP. DAG size: 184 [2020-09-24 15:50:31,795 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-24 15:50:31,810 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:50:31,815 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:50:31,815 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:50:31,816 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:50:31,816 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:50:31,816 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 85 [2020-09-24 15:50:31,817 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:50:31,817 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-24 15:50:31,817 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:50:31,818 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:50:31,818 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:50:31,819 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:50:31,819 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 15:50:31,901 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2020-09-24 15:50:31,902 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:50:31,904 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:50:31,904 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:50:31,905 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:50:31,905 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:50:31,905 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-24 15:50:31,906 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:50:31,906 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-24 15:50:31,907 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:50:31,907 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:50:31,908 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:50:31,908 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:50:31,909 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 15:50:31,911 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 86 [2020-09-24 15:50:31,911 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:50:31,913 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:50:31,913 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:50:31,913 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:50:31,914 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:50:31,914 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-24 15:50:31,914 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:50:31,915 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:50:31,915 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:50:31,915 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:50:31,915 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:50:31,916 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:50:31,916 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 15:50:31,919 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2020-09-24 15:50:31,922 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:50:31,923 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:50:31,924 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:50:31,924 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:50:31,924 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:50:31,925 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-24 15:50:31,925 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:50:31,926 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-24 15:50:31,926 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:50:31,927 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:50:31,927 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:50:31,928 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:50:31,928 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 15:50:31,932 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 99 [2020-09-24 15:50:31,933 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:50:31,934 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:50:31,935 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:50:31,935 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:50:31,936 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:50:31,936 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-24 15:50:31,936 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:50:31,937 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-24 15:50:31,937 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:50:31,938 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:50:31,938 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:50:31,939 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:50:31,939 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 15:50:31,941 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 121 [2020-09-24 15:50:31,942 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:50:31,944 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:50:31,944 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:50:31,945 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:50:31,945 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:50:31,945 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-24 15:50:31,946 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:50:31,946 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:50:31,947 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:50:31,947 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:50:31,948 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-09-24 15:50:31,948 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:50:31,949 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 15:50:31,954 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 131 [2020-09-24 15:50:31,955 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:50:31,956 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:50:31,957 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:50:31,957 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:50:31,957 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:50:31,957 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-24 15:50:31,958 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:50:31,958 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:50:31,958 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:50:31,958 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:50:31,959 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-09-24 15:50:31,959 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:50:31,959 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 15:50:32,045 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-09-24 15:50:32,045 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [849253436] [2020-09-24 15:50:32,046 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-24 15:50:32,046 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2020-09-24 15:50:32,046 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2097069639] [2020-09-24 15:50:32,050 INFO L459 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-09-24 15:50:32,050 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-24 15:50:32,051 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-09-24 15:50:32,051 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2020-09-24 15:50:32,051 INFO L87 Difference]: Start difference. First operand 264 states and 287 transitions. Second operand 4 states. [2020-09-24 15:50:32,659 WARN L193 SmtUtils]: Spent 236.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-09-24 15:50:33,654 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-24 15:50:33,655 INFO L93 Difference]: Finished difference Result 414 states and 465 transitions. [2020-09-24 15:50:33,657 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-09-24 15:50:33,657 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 143 [2020-09-24 15:50:33,658 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-24 15:50:33,661 INFO L225 Difference]: With dead ends: 414 [2020-09-24 15:50:33,661 INFO L226 Difference]: Without dead ends: 290 [2020-09-24 15:50:33,663 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 18 GetRequests, 15 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2020-09-24 15:50:33,664 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 290 states. [2020-09-24 15:50:33,699 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 290 to 254. [2020-09-24 15:50:33,700 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 254 states. [2020-09-24 15:50:33,701 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 254 states to 254 states and 274 transitions. [2020-09-24 15:50:33,702 INFO L78 Accepts]: Start accepts. Automaton has 254 states and 274 transitions. Word has length 143 [2020-09-24 15:50:33,702 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-24 15:50:33,702 INFO L479 AbstractCegarLoop]: Abstraction has 254 states and 274 transitions. [2020-09-24 15:50:33,703 INFO L480 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-09-24 15:50:33,703 INFO L276 IsEmpty]: Start isEmpty. Operand 254 states and 274 transitions. [2020-09-24 15:50:33,705 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 153 [2020-09-24 15:50:33,705 INFO L414 BasicCegarLoop]: Found error trace [2020-09-24 15:50:33,706 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-09-24 15:50:33,706 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-09-24 15:50:33,706 INFO L427 AbstractCegarLoop]: === Iteration 3 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-24 15:50:33,706 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-24 15:50:33,707 INFO L82 PathProgramCache]: Analyzing trace with hash -407616120, now seen corresponding path program 1 times [2020-09-24 15:50:33,707 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-24 15:50:33,707 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [2071458737] [2020-09-24 15:50:33,707 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-24 15:50:33,765 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:50:33,772 FATAL L256 erpolLogProxyWrapper]: Difference in size: 5 [2020-09-24 15:50:33,772 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:50:33,772 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:50:33,772 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:50:33,772 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 181 [2020-09-24 15:50:33,773 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:50:33,773 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-09-24 15:50:33,773 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:50:33,773 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 15:50:33,774 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 78 [2020-09-24 15:50:33,774 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 70 [2020-09-24 15:50:33,774 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:50:34,122 WARN L193 SmtUtils]: Spent 253.00 ms on a formula simplification that was a NOOP. DAG size: 184 [2020-09-24 15:50:34,124 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-24 15:50:34,199 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:50:34,202 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:50:34,202 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:50:34,202 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:50:34,203 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:50:34,203 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 85 [2020-09-24 15:50:34,203 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:50:34,203 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-24 15:50:34,204 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:50:34,204 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 15:50:34,204 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:50:34,204 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 74 [2020-09-24 15:50:34,204 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:50:34,254 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2020-09-24 15:50:34,256 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:50:34,257 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:50:34,257 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:50:34,258 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:50:34,258 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:50:34,258 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-24 15:50:34,258 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:50:34,258 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:50:34,259 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:50:34,259 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 15:50:34,259 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:50:34,259 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-24 15:50:34,260 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:50:34,261 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 86 [2020-09-24 15:50:34,262 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:50:34,263 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:50:34,263 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:50:34,264 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:50:34,264 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:50:34,264 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-24 15:50:34,264 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:50:34,265 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:50:34,265 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:50:34,265 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 15:50:34,265 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:50:34,265 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-24 15:50:34,266 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:50:34,267 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2020-09-24 15:50:34,269 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:50:34,270 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:50:34,271 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:50:34,271 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:50:34,271 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:50:34,272 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-24 15:50:34,272 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:50:34,272 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-24 15:50:34,272 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:50:34,273 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 15:50:34,273 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:50:34,273 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-09-24 15:50:34,273 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:50:34,275 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 99 [2020-09-24 15:50:34,276 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:50:34,278 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:50:34,278 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:50:34,278 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:50:34,278 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:50:34,279 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-24 15:50:34,279 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:50:34,279 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:50:34,279 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:50:34,280 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 15:50:34,280 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:50:34,280 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-24 15:50:34,280 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:50:34,282 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 130 [2020-09-24 15:50:34,283 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:50:34,283 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:50:34,284 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:50:34,284 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:50:34,284 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:50:34,284 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-24 15:50:34,284 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:50:34,285 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:50:34,285 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:50:34,285 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:50:34,285 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-09-24 15:50:34,285 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:50:34,286 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:50:34,287 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 140 [2020-09-24 15:50:34,288 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:50:34,289 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:50:34,289 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:50:34,290 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:50:34,290 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:50:34,290 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-24 15:50:34,290 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:50:34,291 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:50:34,291 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:50:34,291 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:50:34,291 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-09-24 15:50:34,292 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:50:34,292 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:50:34,324 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-09-24 15:50:34,325 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [2071458737] [2020-09-24 15:50:34,325 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-24 15:50:34,326 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2020-09-24 15:50:34,326 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [990036107] [2020-09-24 15:50:34,327 INFO L459 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-09-24 15:50:34,327 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-24 15:50:34,327 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-09-24 15:50:34,327 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2020-09-24 15:50:34,328 INFO L87 Difference]: Start difference. First operand 254 states and 274 transitions. Second operand 4 states. [2020-09-24 15:50:34,803 WARN L193 SmtUtils]: Spent 254.00 ms on a formula simplification that was a NOOP. DAG size: 186 [2020-09-24 15:50:35,706 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-24 15:50:35,707 INFO L93 Difference]: Finished difference Result 434 states and 490 transitions. [2020-09-24 15:50:35,707 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-09-24 15:50:35,707 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 152 [2020-09-24 15:50:35,709 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-24 15:50:35,712 INFO L225 Difference]: With dead ends: 434 [2020-09-24 15:50:35,712 INFO L226 Difference]: Without dead ends: 290 [2020-09-24 15:50:35,713 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 19 GetRequests, 16 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2020-09-24 15:50:35,714 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 290 states. [2020-09-24 15:50:35,751 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 290 to 254. [2020-09-24 15:50:35,751 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 254 states. [2020-09-24 15:50:35,753 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 254 states to 254 states and 273 transitions. [2020-09-24 15:50:35,753 INFO L78 Accepts]: Start accepts. Automaton has 254 states and 273 transitions. Word has length 152 [2020-09-24 15:50:35,754 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-24 15:50:35,754 INFO L479 AbstractCegarLoop]: Abstraction has 254 states and 273 transitions. [2020-09-24 15:50:35,754 INFO L480 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-09-24 15:50:35,754 INFO L276 IsEmpty]: Start isEmpty. Operand 254 states and 273 transitions. [2020-09-24 15:50:35,756 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 166 [2020-09-24 15:50:35,756 INFO L414 BasicCegarLoop]: Found error trace [2020-09-24 15:50:35,757 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-09-24 15:50:35,757 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-09-24 15:50:35,757 INFO L427 AbstractCegarLoop]: === Iteration 4 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-24 15:50:35,758 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-24 15:50:35,758 INFO L82 PathProgramCache]: Analyzing trace with hash 2103188336, now seen corresponding path program 1 times [2020-09-24 15:50:35,758 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-24 15:50:35,758 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [430470591] [2020-09-24 15:50:35,758 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-24 15:50:35,818 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:50:35,858 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:50:35,859 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:50:35,859 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:50:35,859 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:50:35,859 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 200 [2020-09-24 15:50:35,860 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:50:35,860 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 38 [2020-09-24 15:50:35,860 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:50:35,860 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 14 [2020-09-24 15:50:35,860 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 77 [2020-09-24 15:50:35,861 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 81 [2020-09-24 15:50:35,861 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:50:36,205 WARN L193 SmtUtils]: Spent 236.00 ms on a formula simplification that was a NOOP. DAG size: 184 [2020-09-24 15:50:36,206 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-24 15:50:36,248 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:50:36,251 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:50:36,251 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:50:36,252 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:50:36,252 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:50:36,252 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 85 [2020-09-24 15:50:36,252 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:50:36,252 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-24 15:50:36,253 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:50:36,253 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 15:50:36,253 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:50:36,253 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 73 [2020-09-24 15:50:36,253 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:50:36,303 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2020-09-24 15:50:36,305 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:50:36,306 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:50:36,307 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:50:36,307 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:50:36,307 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:50:36,307 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-24 15:50:36,308 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:50:36,308 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-24 15:50:36,308 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:50:36,308 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 15:50:36,308 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:50:36,309 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-24 15:50:36,309 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:50:36,311 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 86 [2020-09-24 15:50:36,312 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:50:36,313 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:50:36,314 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:50:36,314 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:50:36,314 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:50:36,314 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-24 15:50:36,315 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:50:36,315 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-24 15:50:36,315 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:50:36,315 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 15:50:36,316 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:50:36,316 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-24 15:50:36,316 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:50:36,318 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2020-09-24 15:50:36,319 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:50:36,321 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:50:36,321 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:50:36,321 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:50:36,322 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:50:36,322 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-24 15:50:36,322 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:50:36,322 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-24 15:50:36,322 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:50:36,323 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 15:50:36,323 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:50:36,323 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-09-24 15:50:36,323 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:50:36,326 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 99 [2020-09-24 15:50:36,327 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:50:36,329 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:50:36,329 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:50:36,329 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:50:36,330 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:50:36,330 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-24 15:50:36,330 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:50:36,330 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-24 15:50:36,330 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:50:36,331 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 15:50:36,331 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:50:36,331 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-24 15:50:36,331 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:50:36,343 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 127 [2020-09-24 15:50:36,346 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:50:36,349 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:50:36,349 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:50:36,350 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:50:36,350 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:50:36,350 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 22 [2020-09-24 15:50:36,350 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:50:36,350 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-24 15:50:36,351 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:50:36,351 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-09-24 15:50:36,351 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 4 [2020-09-24 15:50:36,351 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-09-24 15:50:36,351 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:50:36,360 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-24 15:50:36,362 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:50:36,366 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:50:36,366 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:50:36,366 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:50:36,367 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:50:36,367 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 15 [2020-09-24 15:50:36,367 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:50:36,367 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-09-24 15:50:36,367 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:50:36,368 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-09-24 15:50:36,368 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-09-24 15:50:36,368 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 14 [2020-09-24 15:50:36,368 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:50:36,435 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-24 15:50:36,441 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:50:36,443 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:50:36,444 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:50:36,444 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:50:36,445 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:50:36,445 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-24 15:50:36,446 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:50:36,446 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-24 15:50:36,446 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:50:36,447 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 15:50:36,447 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:50:36,447 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-24 15:50:36,448 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 15:50:36,450 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 143 [2020-09-24 15:50:36,451 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:50:36,452 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:50:36,452 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:50:36,452 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:50:36,453 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:50:36,453 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-24 15:50:36,454 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:50:36,454 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:50:36,454 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:50:36,455 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:50:36,455 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-09-24 15:50:36,456 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:50:36,456 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 15:50:36,458 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 153 [2020-09-24 15:50:36,460 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:50:36,461 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:50:36,461 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:50:36,462 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:50:36,462 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:50:36,463 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-24 15:50:36,463 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:50:36,464 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-24 15:50:36,464 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:50:36,464 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:50:36,465 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-09-24 15:50:36,465 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:50:36,466 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 15:50:36,598 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-09-24 15:50:36,598 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [430470591] [2020-09-24 15:50:36,598 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-24 15:50:36,599 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2020-09-24 15:50:36,599 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1605102370] [2020-09-24 15:50:36,599 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-09-24 15:50:36,600 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-24 15:50:36,600 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-09-24 15:50:36,600 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=27, Unknown=0, NotChecked=0, Total=42 [2020-09-24 15:50:36,600 INFO L87 Difference]: Start difference. First operand 254 states and 273 transitions. Second operand 7 states. [2020-09-24 15:50:37,193 WARN L193 SmtUtils]: Spent 219.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-09-24 15:50:38,721 WARN L193 SmtUtils]: Spent 253.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-09-24 15:50:39,432 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-24 15:50:39,432 INFO L93 Difference]: Finished difference Result 578 states and 657 transitions. [2020-09-24 15:50:39,433 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2020-09-24 15:50:39,433 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 165 [2020-09-24 15:50:39,434 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-24 15:50:39,437 INFO L225 Difference]: With dead ends: 578 [2020-09-24 15:50:39,437 INFO L226 Difference]: Without dead ends: 434 [2020-09-24 15:50:39,438 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 37 GetRequests, 26 SyntacticMatches, 1 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 12 ImplicationChecksByTransitivity, 0.8s TimeCoverageRelationStatistics Valid=44, Invalid=88, Unknown=0, NotChecked=0, Total=132 [2020-09-24 15:50:39,440 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 434 states. [2020-09-24 15:50:39,494 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 434 to 375. [2020-09-24 15:50:39,494 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 375 states. [2020-09-24 15:50:39,496 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 375 states to 375 states and 402 transitions. [2020-09-24 15:50:39,497 INFO L78 Accepts]: Start accepts. Automaton has 375 states and 402 transitions. Word has length 165 [2020-09-24 15:50:39,497 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-24 15:50:39,497 INFO L479 AbstractCegarLoop]: Abstraction has 375 states and 402 transitions. [2020-09-24 15:50:39,497 INFO L480 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-09-24 15:50:39,498 INFO L276 IsEmpty]: Start isEmpty. Operand 375 states and 402 transitions. [2020-09-24 15:50:39,500 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 190 [2020-09-24 15:50:39,500 INFO L414 BasicCegarLoop]: Found error trace [2020-09-24 15:50:39,500 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-09-24 15:50:39,500 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2020-09-24 15:50:39,501 INFO L427 AbstractCegarLoop]: === Iteration 5 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-24 15:50:39,501 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-24 15:50:39,501 INFO L82 PathProgramCache]: Analyzing trace with hash 1530420149, now seen corresponding path program 1 times [2020-09-24 15:50:39,501 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-24 15:50:39,502 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1767456028] [2020-09-24 15:50:39,502 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-24 15:50:39,558 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:50:39,595 FATAL L256 erpolLogProxyWrapper]: Difference in size: 5 [2020-09-24 15:50:39,595 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:50:39,595 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:50:39,596 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:50:39,596 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 228 [2020-09-24 15:50:39,596 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:50:39,596 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 35 [2020-09-24 15:50:39,596 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:50:39,597 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 14 [2020-09-24 15:50:39,597 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 81 [2020-09-24 15:50:39,597 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 131 [2020-09-24 15:50:39,597 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:50:39,968 WARN L193 SmtUtils]: Spent 270.00 ms on a formula simplification that was a NOOP. DAG size: 184 [2020-09-24 15:50:39,969 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-24 15:50:40,017 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:50:40,019 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:50:40,020 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:50:40,020 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:50:40,021 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:50:40,021 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 85 [2020-09-24 15:50:40,022 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:50:40,022 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-24 15:50:40,022 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:50:40,023 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 15:50:40,023 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:50:40,024 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 77 [2020-09-24 15:50:40,024 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 15:50:40,186 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2020-09-24 15:50:40,188 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:50:40,190 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:50:40,190 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:50:40,191 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:50:40,191 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:50:40,191 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-24 15:50:40,192 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:50:40,192 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-24 15:50:40,192 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:50:40,193 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 15:50:40,193 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:50:40,193 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-24 15:50:40,194 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 15:50:40,195 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 86 [2020-09-24 15:50:40,196 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:50:40,198 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:50:40,199 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:50:40,199 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:50:40,199 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:50:40,200 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-24 15:50:40,200 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:50:40,200 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-24 15:50:40,201 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:50:40,201 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 15:50:40,201 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:50:40,202 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-24 15:50:40,202 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 15:50:40,203 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2020-09-24 15:50:40,205 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:50:40,207 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:50:40,207 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:50:40,208 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:50:40,208 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:50:40,208 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-24 15:50:40,209 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:50:40,209 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-24 15:50:40,209 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:50:40,210 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 15:50:40,210 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:50:40,210 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-09-24 15:50:40,211 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 15:50:40,213 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 99 [2020-09-24 15:50:40,214 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:50:40,217 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:50:40,217 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:50:40,217 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:50:40,218 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:50:40,218 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-24 15:50:40,218 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:50:40,219 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-24 15:50:40,219 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:50:40,219 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 15:50:40,220 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:50:40,220 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-24 15:50:40,221 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 15:50:40,235 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 127 [2020-09-24 15:50:40,240 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:50:40,243 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:50:40,243 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:50:40,243 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:50:40,243 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:50:40,244 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 50 [2020-09-24 15:50:40,244 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:50:40,244 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:50:40,244 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:50:40,245 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 15:50:40,245 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:50:40,245 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 46 [2020-09-24 15:50:40,245 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:50:40,250 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-24 15:50:40,252 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:50:40,254 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:50:40,254 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:50:40,254 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:50:40,254 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:50:40,255 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 43 [2020-09-24 15:50:40,255 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:50:40,255 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:50:40,255 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:50:40,256 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:50:40,256 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:50:40,256 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:50:40,256 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:50:40,260 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-24 15:50:40,262 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:50:40,263 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:50:40,264 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:50:40,264 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:50:40,264 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:50:40,264 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 27 [2020-09-24 15:50:40,264 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:50:40,265 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:50:40,265 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:50:40,265 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:50:40,265 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:50:40,265 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:50:40,266 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:50:40,277 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-24 15:50:40,278 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:50:40,281 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:50:40,281 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:50:40,282 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:50:40,282 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:50:40,283 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-09-24 15:50:40,283 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:50:40,284 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-24 15:50:40,284 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:50:40,284 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:50:40,285 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:50:40,285 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:50:40,286 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 15:50:40,288 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2020-09-24 15:50:40,289 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:50:40,290 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:50:40,291 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:50:40,291 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:50:40,291 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:50:40,292 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-24 15:50:40,292 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:50:40,293 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:50:40,293 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:50:40,293 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:50:40,294 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:50:40,294 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:50:40,294 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 15:50:40,299 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 167 [2020-09-24 15:50:40,300 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:50:40,306 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:50:40,307 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:50:40,307 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:50:40,307 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:50:40,308 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-24 15:50:40,308 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:50:40,308 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-09-24 15:50:40,309 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:50:40,309 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-09-24 15:50:40,310 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:50:40,310 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-09-24 15:50:40,310 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 15:50:40,347 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 177 [2020-09-24 15:50:40,348 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:50:40,349 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:50:40,350 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:50:40,350 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:50:40,350 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:50:40,350 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-24 15:50:40,351 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:50:40,351 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:50:40,351 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:50:40,352 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:50:40,352 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-09-24 15:50:40,352 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:50:40,353 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 15:50:40,429 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-09-24 15:50:40,429 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1767456028] [2020-09-24 15:50:40,430 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-24 15:50:40,430 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2020-09-24 15:50:40,430 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1256434400] [2020-09-24 15:50:40,431 INFO L459 AbstractCegarLoop]: Interpolant automaton has 9 states [2020-09-24 15:50:40,432 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-24 15:50:40,432 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2020-09-24 15:50:40,433 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=56, Unknown=0, NotChecked=0, Total=72 [2020-09-24 15:50:40,434 INFO L87 Difference]: Start difference. First operand 375 states and 402 transitions. Second operand 9 states. [2020-09-24 15:50:41,046 WARN L193 SmtUtils]: Spent 253.00 ms on a formula simplification that was a NOOP. DAG size: 186 [2020-09-24 15:50:42,600 WARN L193 SmtUtils]: Spent 263.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-09-24 15:50:42,905 WARN L193 SmtUtils]: Spent 272.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-09-24 15:50:43,261 WARN L193 SmtUtils]: Spent 267.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-09-24 15:50:43,557 WARN L193 SmtUtils]: Spent 256.00 ms on a formula simplification that was a NOOP. DAG size: 186 [2020-09-24 15:50:43,853 WARN L193 SmtUtils]: Spent 271.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-09-24 15:50:44,158 WARN L193 SmtUtils]: Spent 282.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-09-24 15:50:44,485 WARN L193 SmtUtils]: Spent 299.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-09-24 15:50:45,699 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-24 15:50:45,699 INFO L93 Difference]: Finished difference Result 880 states and 1012 transitions. [2020-09-24 15:50:45,700 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2020-09-24 15:50:45,700 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 189 [2020-09-24 15:50:45,700 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-24 15:50:45,704 INFO L225 Difference]: With dead ends: 880 [2020-09-24 15:50:45,705 INFO L226 Difference]: Without dead ends: 615 [2020-09-24 15:50:45,706 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 45 GetRequests, 29 SyntacticMatches, 0 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 31 ImplicationChecksByTransitivity, 2.6s TimeCoverageRelationStatistics Valid=86, Invalid=220, Unknown=0, NotChecked=0, Total=306 [2020-09-24 15:50:45,707 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 615 states. [2020-09-24 15:50:45,780 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 615 to 549. [2020-09-24 15:50:45,780 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 549 states. [2020-09-24 15:50:45,784 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 549 states to 549 states and 600 transitions. [2020-09-24 15:50:45,784 INFO L78 Accepts]: Start accepts. Automaton has 549 states and 600 transitions. Word has length 189 [2020-09-24 15:50:45,785 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-24 15:50:45,785 INFO L479 AbstractCegarLoop]: Abstraction has 549 states and 600 transitions. [2020-09-24 15:50:45,785 INFO L480 AbstractCegarLoop]: Interpolant automaton has 9 states. [2020-09-24 15:50:45,785 INFO L276 IsEmpty]: Start isEmpty. Operand 549 states and 600 transitions. [2020-09-24 15:50:45,788 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 195 [2020-09-24 15:50:45,788 INFO L414 BasicCegarLoop]: Found error trace [2020-09-24 15:50:45,789 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-09-24 15:50:45,789 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2020-09-24 15:50:45,789 INFO L427 AbstractCegarLoop]: === Iteration 6 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-24 15:50:45,789 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-24 15:50:45,790 INFO L82 PathProgramCache]: Analyzing trace with hash 2135470124, now seen corresponding path program 1 times [2020-09-24 15:50:45,790 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-24 15:50:45,790 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [120082034] [2020-09-24 15:50:45,790 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-24 15:50:45,850 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:50:45,901 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:50:45,902 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:50:45,902 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:50:45,902 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:50:45,903 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 235 [2020-09-24 15:50:45,903 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:50:45,903 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 49 [2020-09-24 15:50:45,903 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:50:45,903 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 18 [2020-09-24 15:50:45,904 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 77 [2020-09-24 15:50:45,904 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 154 [2020-09-24 15:50:45,904 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:50:46,237 WARN L193 SmtUtils]: Spent 200.00 ms on a formula simplification that was a NOOP. DAG size: 184 [2020-09-24 15:50:46,238 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-24 15:50:46,274 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:50:46,276 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:50:46,276 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:50:46,276 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:50:46,276 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:50:46,276 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 85 [2020-09-24 15:50:46,277 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:50:46,277 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:50:46,277 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:50:46,277 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 15:50:46,277 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:50:46,278 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 73 [2020-09-24 15:50:46,278 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:50:46,322 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2020-09-24 15:50:46,323 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:50:46,324 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:50:46,324 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:50:46,325 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:50:46,325 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:50:46,325 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-24 15:50:46,325 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:50:46,325 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:50:46,326 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:50:46,326 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 15:50:46,326 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:50:46,326 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-24 15:50:46,326 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:50:46,328 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 86 [2020-09-24 15:50:46,330 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:50:46,331 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:50:46,331 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:50:46,331 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:50:46,332 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:50:46,332 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-24 15:50:46,332 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:50:46,332 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:50:46,332 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:50:46,333 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 15:50:46,333 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:50:46,333 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-24 15:50:46,333 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:50:46,335 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2020-09-24 15:50:46,336 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:50:46,338 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:50:46,338 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:50:46,338 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:50:46,338 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:50:46,339 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-24 15:50:46,339 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:50:46,339 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:50:46,339 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:50:46,339 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 15:50:46,339 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:50:46,340 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-09-24 15:50:46,340 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:50:46,342 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 99 [2020-09-24 15:50:46,342 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:50:46,343 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:50:46,344 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:50:46,344 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:50:46,344 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:50:46,344 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-24 15:50:46,344 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:50:46,345 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:50:46,345 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:50:46,345 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 15:50:46,345 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:50:46,346 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-24 15:50:46,346 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:50:46,357 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 116 [2020-09-24 15:50:46,358 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:50:46,360 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:50:46,360 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:50:46,360 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:50:46,360 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:50:46,361 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-09-24 15:50:46,361 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:50:46,361 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:50:46,361 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:50:46,361 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 15:50:46,362 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:50:46,362 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-09-24 15:50:46,362 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:50:46,374 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 132 [2020-09-24 15:50:46,381 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:50:46,383 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:50:46,383 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:50:46,384 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:50:46,384 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:50:46,384 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 50 [2020-09-24 15:50:46,384 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:50:46,384 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:50:46,384 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:50:46,385 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 15:50:46,385 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:50:46,385 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-09-24 15:50:46,385 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:50:46,390 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-24 15:50:46,392 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:50:46,394 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:50:46,394 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:50:46,394 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:50:46,394 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:50:46,395 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 43 [2020-09-24 15:50:46,395 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:50:46,395 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:50:46,395 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:50:46,396 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 15:50:46,396 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:50:46,396 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 3 [2020-09-24 15:50:46,396 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:50:46,405 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-24 15:50:46,407 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:50:46,409 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:50:46,409 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:50:46,409 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:50:46,410 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:50:46,410 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 27 [2020-09-24 15:50:46,410 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:50:46,410 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-24 15:50:46,411 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:50:46,411 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 15:50:46,411 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:50:46,411 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 23 [2020-09-24 15:50:46,411 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:50:46,416 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-24 15:50:46,416 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:50:46,417 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:50:46,417 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:50:46,418 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:50:46,418 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:50:46,418 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-09-24 15:50:46,418 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:50:46,419 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:50:46,419 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:50:46,419 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:50:46,419 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:50:46,419 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:50:46,420 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:50:46,422 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2020-09-24 15:50:46,422 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:50:46,424 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:50:46,424 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:50:46,424 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:50:46,424 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:50:46,424 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-24 15:50:46,425 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:50:46,425 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:50:46,425 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:50:46,425 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 15:50:46,425 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:50:46,426 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-24 15:50:46,426 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:50:46,429 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 172 [2020-09-24 15:50:46,430 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:50:46,442 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:50:46,442 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:50:46,442 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:50:46,442 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:50:46,443 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-24 15:50:46,447 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:50:46,447 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 12 [2020-09-24 15:50:46,447 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:50:46,448 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 15:50:46,448 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:50:46,448 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-09-24 15:50:46,448 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:50:46,454 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 182 [2020-09-24 15:50:46,458 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:50:46,463 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:50:46,463 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:50:46,464 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:50:46,464 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:50:46,464 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-24 15:50:46,464 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:50:46,464 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-09-24 15:50:46,465 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:50:46,465 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-09-24 15:50:46,465 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:50:46,465 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-09-24 15:50:46,465 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:50:46,692 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-09-24 15:50:46,693 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [120082034] [2020-09-24 15:50:46,694 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-24 15:50:46,694 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2020-09-24 15:50:46,695 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [9389129] [2020-09-24 15:50:46,695 INFO L459 AbstractCegarLoop]: Interpolant automaton has 10 states [2020-09-24 15:50:46,695 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-24 15:50:46,696 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2020-09-24 15:50:46,696 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=71, Unknown=0, NotChecked=0, Total=90 [2020-09-24 15:50:46,696 INFO L87 Difference]: Start difference. First operand 549 states and 600 transitions. Second operand 10 states. [2020-09-24 15:50:47,209 WARN L193 SmtUtils]: Spent 205.00 ms on a formula simplification that was a NOOP. DAG size: 186 [2020-09-24 15:50:49,035 WARN L193 SmtUtils]: Spent 559.00 ms on a formula simplification. DAG size of input: 195 DAG size of output: 191 [2020-09-24 15:50:49,712 WARN L193 SmtUtils]: Spent 614.00 ms on a formula simplification. DAG size of input: 201 DAG size of output: 193 [2020-09-24 15:50:50,051 WARN L193 SmtUtils]: Spent 276.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-09-24 15:50:50,375 WARN L193 SmtUtils]: Spent 284.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-09-24 15:50:50,681 WARN L193 SmtUtils]: Spent 277.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-09-24 15:50:51,160 WARN L193 SmtUtils]: Spent 277.00 ms on a formula simplification that was a NOOP. DAG size: 194 [2020-09-24 15:50:51,489 WARN L193 SmtUtils]: Spent 300.00 ms on a formula simplification that was a NOOP. DAG size: 200 [2020-09-24 15:50:51,867 WARN L193 SmtUtils]: Spent 285.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-09-24 15:50:52,292 WARN L193 SmtUtils]: Spent 275.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-09-24 15:50:53,241 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-24 15:50:53,242 INFO L93 Difference]: Finished difference Result 624 states and 703 transitions. [2020-09-24 15:50:53,242 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2020-09-24 15:50:53,243 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 194 [2020-09-24 15:50:53,243 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-24 15:50:53,247 INFO L225 Difference]: With dead ends: 624 [2020-09-24 15:50:53,247 INFO L226 Difference]: Without dead ends: 621 [2020-09-24 15:50:53,248 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 59 GetRequests, 35 SyntacticMatches, 0 SemanticMatches, 24 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 95 ImplicationChecksByTransitivity, 3.9s TimeCoverageRelationStatistics Valid=166, Invalid=484, Unknown=0, NotChecked=0, Total=650 [2020-09-24 15:50:53,249 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 621 states. [2020-09-24 15:50:53,322 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 621 to 552. [2020-09-24 15:50:53,322 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 552 states. [2020-09-24 15:50:53,326 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 552 states to 552 states and 603 transitions. [2020-09-24 15:50:53,326 INFO L78 Accepts]: Start accepts. Automaton has 552 states and 603 transitions. Word has length 194 [2020-09-24 15:50:53,326 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-24 15:50:53,327 INFO L479 AbstractCegarLoop]: Abstraction has 552 states and 603 transitions. [2020-09-24 15:50:53,327 INFO L480 AbstractCegarLoop]: Interpolant automaton has 10 states. [2020-09-24 15:50:53,327 INFO L276 IsEmpty]: Start isEmpty. Operand 552 states and 603 transitions. [2020-09-24 15:50:53,330 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 218 [2020-09-24 15:50:53,330 INFO L414 BasicCegarLoop]: Found error trace [2020-09-24 15:50:53,331 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-09-24 15:50:53,331 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2020-09-24 15:50:53,331 INFO L427 AbstractCegarLoop]: === Iteration 7 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-24 15:50:53,332 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-24 15:50:53,332 INFO L82 PathProgramCache]: Analyzing trace with hash 812244240, now seen corresponding path program 1 times [2020-09-24 15:50:53,332 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-24 15:50:53,333 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1051307979] [2020-09-24 15:50:53,333 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-24 15:50:53,400 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:50:53,436 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:50:53,436 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:50:53,436 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:50:53,436 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:50:53,436 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 264 [2020-09-24 15:50:53,437 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:50:53,437 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 32 [2020-09-24 15:50:53,437 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:50:53,437 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 13 [2020-09-24 15:50:53,437 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 81 [2020-09-24 15:50:53,438 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 95 [2020-09-24 15:50:53,438 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:50:53,761 WARN L193 SmtUtils]: Spent 218.00 ms on a formula simplification that was a NOOP. DAG size: 184 [2020-09-24 15:50:53,761 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-24 15:50:53,796 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:50:53,798 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:50:53,798 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:50:53,798 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:50:53,799 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:50:53,799 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 85 [2020-09-24 15:50:53,799 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:50:53,799 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-24 15:50:53,799 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:50:53,800 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 15:50:53,800 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:50:53,800 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 77 [2020-09-24 15:50:53,800 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:50:53,843 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2020-09-24 15:50:53,844 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:50:53,845 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:50:53,845 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:50:53,846 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:50:53,846 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:50:53,846 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-24 15:50:53,846 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:50:53,846 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:50:53,847 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:50:53,847 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 15:50:53,847 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:50:53,847 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-24 15:50:53,847 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:50:53,849 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 86 [2020-09-24 15:50:53,849 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:50:53,851 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:50:53,851 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:50:53,851 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:50:53,851 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:50:53,852 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-24 15:50:53,852 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:50:53,852 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:50:53,852 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:50:53,852 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 15:50:53,853 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:50:53,853 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-24 15:50:53,853 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:50:53,854 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2020-09-24 15:50:53,855 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:50:53,856 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:50:53,857 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:50:53,857 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:50:53,857 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:50:53,857 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-24 15:50:53,857 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:50:53,858 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:50:53,858 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:50:53,858 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 15:50:53,858 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:50:53,858 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-09-24 15:50:53,859 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:50:53,861 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 99 [2020-09-24 15:50:53,861 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:50:53,862 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:50:53,863 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:50:53,863 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:50:53,863 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:50:53,863 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-24 15:50:53,863 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:50:53,864 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:50:53,864 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:50:53,864 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 15:50:53,864 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:50:53,864 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-24 15:50:53,864 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:50:53,873 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 116 [2020-09-24 15:50:53,875 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:50:53,879 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:50:53,879 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:50:53,879 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:50:53,880 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:50:53,880 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-09-24 15:50:53,880 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:50:53,880 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-09-24 15:50:53,880 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:50:53,881 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-09-24 15:50:53,881 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-09-24 15:50:53,881 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 9 [2020-09-24 15:50:53,881 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:50:53,924 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 132 [2020-09-24 15:50:53,933 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:50:53,939 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:50:53,939 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:50:53,939 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:50:53,939 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:50:53,940 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 79 [2020-09-24 15:50:53,940 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:50:53,940 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-09-24 15:50:53,940 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:50:53,940 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-09-24 15:50:53,941 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 29 [2020-09-24 15:50:53,941 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 9 [2020-09-24 15:50:53,941 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:50:53,948 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-24 15:50:53,953 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:50:53,960 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:50:53,960 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:50:53,960 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:50:53,961 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:50:53,961 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 72 [2020-09-24 15:50:53,961 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:50:53,961 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-09-24 15:50:53,961 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:50:53,962 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-09-24 15:50:53,962 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 24 [2020-09-24 15:50:53,962 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 9 [2020-09-24 15:50:53,962 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:50:54,013 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-24 15:50:54,016 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:50:54,021 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:50:54,021 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:50:54,021 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:50:54,021 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:50:54,022 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 27 [2020-09-24 15:50:54,022 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:50:54,022 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-09-24 15:50:54,022 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:50:54,022 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-09-24 15:50:54,023 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:50:54,023 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 22 [2020-09-24 15:50:54,023 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:50:54,068 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-24 15:50:54,069 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:50:54,070 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:50:54,070 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:50:54,070 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:50:54,070 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:50:54,071 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-09-24 15:50:54,071 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:50:54,071 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:50:54,071 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:50:54,072 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:50:54,072 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:50:54,072 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:50:54,072 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:50:54,074 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2020-09-24 15:50:54,076 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:50:54,077 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:50:54,078 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:50:54,078 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:50:54,078 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:50:54,078 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 37 [2020-09-24 15:50:54,078 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:50:54,079 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:50:54,079 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:50:54,079 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:50:54,079 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 34 [2020-09-24 15:50:54,079 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:50:54,080 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:50:54,082 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-09-24 15:50:54,083 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:50:54,085 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:50:54,085 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:50:54,085 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:50:54,086 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:50:54,086 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 21 [2020-09-24 15:50:54,086 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:50:54,086 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:50:54,086 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:50:54,087 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:50:54,087 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:50:54,087 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:50:54,087 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:50:54,089 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-09-24 15:50:54,090 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:50:54,091 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:50:54,091 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:50:54,091 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:50:54,091 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:50:54,092 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-24 15:50:54,092 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:50:54,092 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:50:54,092 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:50:54,092 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:50:54,093 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:50:54,093 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:50:54,093 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:50:54,095 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2020-09-24 15:50:54,096 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:50:54,097 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:50:54,097 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:50:54,097 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:50:54,098 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:50:54,098 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-24 15:50:54,098 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:50:54,098 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:50:54,098 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:50:54,099 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:50:54,099 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:50:54,099 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:50:54,099 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:50:54,105 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 195 [2020-09-24 15:50:54,106 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:50:54,107 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:50:54,107 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:50:54,107 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:50:54,107 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:50:54,108 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-24 15:50:54,108 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:50:54,108 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:50:54,108 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:50:54,108 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:50:54,109 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-09-24 15:50:54,109 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:50:54,109 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:50:54,111 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 205 [2020-09-24 15:50:54,111 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:50:54,113 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:50:54,113 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:50:54,113 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:50:54,113 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:50:54,113 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-24 15:50:54,114 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:50:54,114 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:50:54,114 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:50:54,114 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:50:54,114 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-09-24 15:50:54,114 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:50:54,115 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:50:54,168 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-09-24 15:50:54,169 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1051307979] [2020-09-24 15:50:54,173 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-24 15:50:54,174 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [14] imperfect sequences [] total 14 [2020-09-24 15:50:54,174 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [482654107] [2020-09-24 15:50:54,174 INFO L459 AbstractCegarLoop]: Interpolant automaton has 14 states [2020-09-24 15:50:54,175 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-24 15:50:54,175 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2020-09-24 15:50:54,175 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=31, Invalid=151, Unknown=0, NotChecked=0, Total=182 [2020-09-24 15:50:54,175 INFO L87 Difference]: Start difference. First operand 552 states and 603 transitions. Second operand 14 states. [2020-09-24 15:50:54,759 WARN L193 SmtUtils]: Spent 260.00 ms on a formula simplification that was a NOOP. DAG size: 186 [2020-09-24 15:50:55,566 WARN L193 SmtUtils]: Spent 256.00 ms on a formula simplification that was a NOOP. DAG size: 186 [2020-09-24 15:50:56,345 WARN L193 SmtUtils]: Spent 278.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-24 15:50:56,672 WARN L193 SmtUtils]: Spent 284.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-24 15:50:56,995 WARN L193 SmtUtils]: Spent 280.00 ms on a formula simplification that was a NOOP. DAG size: 193 [2020-09-24 15:50:57,368 WARN L193 SmtUtils]: Spent 291.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-09-24 15:50:57,691 WARN L193 SmtUtils]: Spent 279.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-24 15:50:58,005 WARN L193 SmtUtils]: Spent 269.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-24 15:50:58,327 WARN L193 SmtUtils]: Spent 291.00 ms on a formula simplification that was a NOOP. DAG size: 194 [2020-09-24 15:50:58,640 WARN L193 SmtUtils]: Spent 286.00 ms on a formula simplification that was a NOOP. DAG size: 193 [2020-09-24 15:50:58,936 WARN L193 SmtUtils]: Spent 266.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-24 15:50:59,283 WARN L193 SmtUtils]: Spent 278.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-09-24 15:50:59,651 WARN L193 SmtUtils]: Spent 287.00 ms on a formula simplification that was a NOOP. DAG size: 195 [2020-09-24 15:50:59,958 WARN L193 SmtUtils]: Spent 253.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-09-24 15:51:02,551 WARN L193 SmtUtils]: Spent 461.00 ms on a formula simplification. DAG size of input: 190 DAG size of output: 187 [2020-09-24 15:51:02,989 WARN L193 SmtUtils]: Spent 257.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-09-24 15:51:03,283 WARN L193 SmtUtils]: Spent 268.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-24 15:51:03,582 WARN L193 SmtUtils]: Spent 272.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-24 15:51:03,931 WARN L193 SmtUtils]: Spent 284.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-09-24 15:51:04,266 WARN L193 SmtUtils]: Spent 282.00 ms on a formula simplification that was a NOOP. DAG size: 193 [2020-09-24 15:51:04,567 WARN L193 SmtUtils]: Spent 265.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-09-24 15:51:05,700 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-24 15:51:05,700 INFO L93 Difference]: Finished difference Result 1376 states and 1580 transitions. [2020-09-24 15:51:05,701 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 37 states. [2020-09-24 15:51:05,701 INFO L78 Accepts]: Start accepts. Automaton has 14 states. Word has length 217 [2020-09-24 15:51:05,702 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-24 15:51:05,708 INFO L225 Difference]: With dead ends: 1376 [2020-09-24 15:51:05,708 INFO L226 Difference]: Without dead ends: 934 [2020-09-24 15:51:05,711 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 83 GetRequests, 42 SyntacticMatches, 0 SemanticMatches, 41 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 414 ImplicationChecksByTransitivity, 6.8s TimeCoverageRelationStatistics Valid=390, Invalid=1416, Unknown=0, NotChecked=0, Total=1806 [2020-09-24 15:51:05,712 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 934 states. [2020-09-24 15:51:05,817 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 934 to 858. [2020-09-24 15:51:05,818 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 858 states. [2020-09-24 15:51:05,823 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 858 states to 858 states and 943 transitions. [2020-09-24 15:51:05,823 INFO L78 Accepts]: Start accepts. Automaton has 858 states and 943 transitions. Word has length 217 [2020-09-24 15:51:05,824 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-24 15:51:05,824 INFO L479 AbstractCegarLoop]: Abstraction has 858 states and 943 transitions. [2020-09-24 15:51:05,824 INFO L480 AbstractCegarLoop]: Interpolant automaton has 14 states. [2020-09-24 15:51:05,824 INFO L276 IsEmpty]: Start isEmpty. Operand 858 states and 943 transitions. [2020-09-24 15:51:05,828 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 218 [2020-09-24 15:51:05,828 INFO L414 BasicCegarLoop]: Found error trace [2020-09-24 15:51:05,828 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-09-24 15:51:05,828 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2020-09-24 15:51:05,829 INFO L427 AbstractCegarLoop]: === Iteration 8 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-24 15:51:05,829 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-24 15:51:05,829 INFO L82 PathProgramCache]: Analyzing trace with hash 441597459, now seen corresponding path program 1 times [2020-09-24 15:51:05,829 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-24 15:51:05,830 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1624374799] [2020-09-24 15:51:05,830 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-24 15:51:05,896 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:51:05,904 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:51:05,905 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:51:05,905 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:51:05,905 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:51:05,905 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 264 [2020-09-24 15:51:05,905 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:51:05,906 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-09-24 15:51:05,906 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:51:05,906 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-09-24 15:51:05,906 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 175 [2020-09-24 15:51:05,906 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 73 [2020-09-24 15:51:05,907 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:51:06,191 WARN L193 SmtUtils]: Spent 196.00 ms on a formula simplification that was a NOOP. DAG size: 184 [2020-09-24 15:51:06,192 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-24 15:51:06,202 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:51:06,203 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:51:06,203 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:51:06,204 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:51:06,204 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:51:06,204 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 85 [2020-09-24 15:51:06,205 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:51:06,205 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:51:06,205 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:51:06,205 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:51:06,206 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:51:06,206 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:51:06,206 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 15:51:06,239 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2020-09-24 15:51:06,240 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:51:06,240 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:51:06,241 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:51:06,241 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:51:06,241 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:51:06,241 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-24 15:51:06,242 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:51:06,242 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:51:06,242 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:51:06,242 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:51:06,243 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:51:06,243 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:51:06,243 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:51:06,244 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 86 [2020-09-24 15:51:06,245 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:51:06,246 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:51:06,246 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:51:06,246 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:51:06,247 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:51:06,247 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-24 15:51:06,247 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:51:06,247 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:51:06,248 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:51:06,248 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:51:06,248 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:51:06,248 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:51:06,249 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:51:06,250 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2020-09-24 15:51:06,251 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:51:06,252 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:51:06,252 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:51:06,252 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:51:06,252 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:51:06,253 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-24 15:51:06,253 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:51:06,253 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:51:06,253 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:51:06,253 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:51:06,254 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:51:06,254 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:51:06,254 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:51:06,256 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 99 [2020-09-24 15:51:06,257 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:51:06,258 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:51:06,258 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:51:06,258 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:51:06,258 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:51:06,259 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-24 15:51:06,259 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:51:06,259 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:51:06,259 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:51:06,259 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:51:06,260 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:51:06,260 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:51:06,260 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:51:06,272 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 116 [2020-09-24 15:51:06,273 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:51:06,274 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:51:06,275 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:51:06,275 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:51:06,275 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:51:06,275 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-09-24 15:51:06,275 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:51:06,275 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:51:06,276 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:51:06,276 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:51:06,277 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:51:06,277 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:51:06,277 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 15:51:06,290 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 132 [2020-09-24 15:51:06,295 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:51:06,300 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:51:06,300 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:51:06,301 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:51:06,301 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:51:06,301 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 79 [2020-09-24 15:51:06,301 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:51:06,301 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-09-24 15:51:06,302 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:51:06,302 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 15:51:06,302 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:51:06,302 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 19 [2020-09-24 15:51:06,302 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:51:06,314 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-24 15:51:06,322 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:51:06,324 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:51:06,324 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:51:06,324 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:51:06,324 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:51:06,325 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 72 [2020-09-24 15:51:06,325 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:51:06,325 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:51:06,325 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:51:06,326 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 15:51:06,326 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:51:06,326 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 14 [2020-09-24 15:51:06,326 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:51:06,336 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-24 15:51:06,338 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:51:06,339 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:51:06,339 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:51:06,340 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:51:06,340 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:51:06,340 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 27 [2020-09-24 15:51:06,340 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:51:06,341 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:51:06,341 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:51:06,341 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 15:51:06,341 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:51:06,342 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 9 [2020-09-24 15:51:06,342 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:51:06,349 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-24 15:51:06,350 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:51:06,351 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:51:06,352 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:51:06,352 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:51:06,352 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:51:06,352 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-09-24 15:51:06,352 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:51:06,353 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:51:06,353 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:51:06,353 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 15:51:06,353 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:51:06,354 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 3 [2020-09-24 15:51:06,354 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:51:06,359 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2020-09-24 15:51:06,362 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:51:06,363 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:51:06,363 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:51:06,364 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:51:06,364 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:51:06,364 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 37 [2020-09-24 15:51:06,364 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:51:06,364 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:51:06,365 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:51:06,365 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 15:51:06,365 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:51:06,365 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 33 [2020-09-24 15:51:06,365 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:51:06,368 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-09-24 15:51:06,369 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:51:06,370 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:51:06,370 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:51:06,370 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:51:06,371 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:51:06,371 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 21 [2020-09-24 15:51:06,371 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:51:06,371 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:51:06,371 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:51:06,372 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:51:06,372 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:51:06,372 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:51:06,372 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:51:06,374 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-09-24 15:51:06,375 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:51:06,376 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:51:06,376 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:51:06,376 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:51:06,376 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:51:06,377 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-24 15:51:06,377 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:51:06,377 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:51:06,378 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:51:06,378 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:51:06,378 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:51:06,378 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:51:06,379 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 15:51:06,380 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2020-09-24 15:51:06,381 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:51:06,382 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:51:06,383 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:51:06,383 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:51:06,383 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:51:06,383 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-24 15:51:06,384 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:51:06,384 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:51:06,384 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:51:06,384 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:51:06,384 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:51:06,385 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:51:06,385 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:51:06,391 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 195 [2020-09-24 15:51:06,393 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:51:06,397 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:51:06,398 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:51:06,398 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:51:06,398 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:51:06,398 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-24 15:51:06,399 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:51:06,399 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-09-24 15:51:06,399 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:51:06,399 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-09-24 15:51:06,399 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:51:06,399 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-09-24 15:51:06,400 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:51:06,448 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 205 [2020-09-24 15:51:06,449 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:51:06,450 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:51:06,450 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:51:06,451 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:51:06,451 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:51:06,451 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-24 15:51:06,451 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:51:06,451 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:51:06,452 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:51:06,452 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:51:06,452 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-09-24 15:51:06,452 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:51:06,452 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:51:06,493 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-09-24 15:51:06,494 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1624374799] [2020-09-24 15:51:06,494 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-24 15:51:06,494 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2020-09-24 15:51:06,494 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1530615388] [2020-09-24 15:51:06,496 INFO L459 AbstractCegarLoop]: Interpolant automaton has 10 states [2020-09-24 15:51:06,496 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-24 15:51:06,496 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2020-09-24 15:51:06,496 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=71, Unknown=0, NotChecked=0, Total=90 [2020-09-24 15:51:06,497 INFO L87 Difference]: Start difference. First operand 858 states and 943 transitions. Second operand 10 states. [2020-09-24 15:51:07,780 WARN L193 SmtUtils]: Spent 277.00 ms on a formula simplification that was a NOOP. DAG size: 186 [2020-09-24 15:51:08,682 WARN L193 SmtUtils]: Spent 276.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-24 15:51:09,013 WARN L193 SmtUtils]: Spent 294.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-09-24 15:51:09,707 WARN L193 SmtUtils]: Spent 553.00 ms on a formula simplification. DAG size of input: 191 DAG size of output: 188 [2020-09-24 15:51:10,336 WARN L193 SmtUtils]: Spent 577.00 ms on a formula simplification. DAG size of input: 194 DAG size of output: 190 [2020-09-24 15:51:10,658 WARN L193 SmtUtils]: Spent 274.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-09-24 15:51:10,985 WARN L193 SmtUtils]: Spent 284.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-09-24 15:51:11,417 WARN L193 SmtUtils]: Spent 312.00 ms on a formula simplification that was a NOOP. DAG size: 193 [2020-09-24 15:51:11,749 WARN L193 SmtUtils]: Spent 289.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-09-24 15:51:13,494 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-24 15:51:13,494 INFO L93 Difference]: Finished difference Result 1553 states and 1777 transitions. [2020-09-24 15:51:13,494 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2020-09-24 15:51:13,495 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 217 [2020-09-24 15:51:13,495 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-24 15:51:13,504 INFO L225 Difference]: With dead ends: 1553 [2020-09-24 15:51:13,504 INFO L226 Difference]: Without dead ends: 982 [2020-09-24 15:51:13,507 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 60 GetRequests, 35 SyntacticMatches, 4 SemanticMatches, 21 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 72 ImplicationChecksByTransitivity, 3.6s TimeCoverageRelationStatistics Valid=143, Invalid=363, Unknown=0, NotChecked=0, Total=506 [2020-09-24 15:51:13,508 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 982 states. [2020-09-24 15:51:13,614 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 982 to 838. [2020-09-24 15:51:13,615 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 838 states. [2020-09-24 15:51:13,618 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 838 states to 838 states and 920 transitions. [2020-09-24 15:51:13,619 INFO L78 Accepts]: Start accepts. Automaton has 838 states and 920 transitions. Word has length 217 [2020-09-24 15:51:13,620 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-24 15:51:13,620 INFO L479 AbstractCegarLoop]: Abstraction has 838 states and 920 transitions. [2020-09-24 15:51:13,620 INFO L480 AbstractCegarLoop]: Interpolant automaton has 10 states. [2020-09-24 15:51:13,620 INFO L276 IsEmpty]: Start isEmpty. Operand 838 states and 920 transitions. [2020-09-24 15:51:13,627 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 283 [2020-09-24 15:51:13,628 INFO L414 BasicCegarLoop]: Found error trace [2020-09-24 15:51:13,628 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-09-24 15:51:13,629 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2020-09-24 15:51:13,629 INFO L427 AbstractCegarLoop]: === Iteration 9 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-24 15:51:13,629 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-24 15:51:13,629 INFO L82 PathProgramCache]: Analyzing trace with hash -1015649697, now seen corresponding path program 1 times [2020-09-24 15:51:13,630 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-24 15:51:13,630 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1513341041] [2020-09-24 15:51:13,630 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-24 15:51:13,690 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:51:13,700 FATAL L256 erpolLogProxyWrapper]: Difference in size: 5 [2020-09-24 15:51:13,700 FATAL L256 erpolLogProxyWrapper]: Difference in depth: -65 [2020-09-24 15:51:13,700 FATAL L256 erpolLogProxyWrapper]: Difference in width: 65 [2020-09-24 15:51:13,700 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:51:13,701 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 345 [2020-09-24 15:51:13,701 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:51:13,701 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-09-24 15:51:13,701 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:51:13,701 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-09-24 15:51:13,702 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 169 [2020-09-24 15:51:13,702 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-09-24 15:51:13,702 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:51:14,028 WARN L193 SmtUtils]: Spent 247.00 ms on a formula simplification that was a NOOP. DAG size: 184 [2020-09-24 15:51:14,030 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-24 15:51:14,037 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:51:14,038 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:51:14,038 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:51:14,039 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:51:14,039 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:51:14,039 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 85 [2020-09-24 15:51:14,039 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:51:14,039 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:51:14,040 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:51:14,040 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:51:14,040 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:51:14,040 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:51:14,040 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:51:14,099 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2020-09-24 15:51:14,104 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:51:14,105 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:51:14,105 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:51:14,105 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:51:14,106 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:51:14,106 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-24 15:51:14,106 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:51:14,106 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:51:14,106 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:51:14,107 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:51:14,107 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:51:14,107 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:51:14,107 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:51:14,109 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 86 [2020-09-24 15:51:14,109 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:51:14,110 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:51:14,110 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:51:14,110 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:51:14,111 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:51:14,111 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-24 15:51:14,111 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:51:14,111 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:51:14,111 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:51:14,111 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:51:14,112 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:51:14,112 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:51:14,112 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:51:14,113 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2020-09-24 15:51:14,114 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:51:14,114 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:51:14,115 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:51:14,115 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:51:14,115 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:51:14,115 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-24 15:51:14,115 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:51:14,115 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-09-24 15:51:14,116 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:51:14,116 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:51:14,117 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:51:14,117 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:51:14,117 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 15:51:14,119 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 99 [2020-09-24 15:51:14,119 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:51:14,120 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:51:14,120 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:51:14,120 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:51:14,121 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:51:14,121 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-24 15:51:14,121 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:51:14,121 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:51:14,121 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:51:14,122 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:51:14,122 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:51:14,122 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:51:14,122 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:51:14,142 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2020-09-24 15:51:14,151 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:51:14,158 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:51:14,158 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:51:14,159 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:51:14,159 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:51:14,159 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 105 [2020-09-24 15:51:14,160 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:51:14,160 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-09-24 15:51:14,160 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:51:14,160 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-09-24 15:51:14,161 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 26 [2020-09-24 15:51:14,161 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-09-24 15:51:14,161 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 15:51:14,178 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-24 15:51:14,185 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:51:14,190 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:51:14,191 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:51:14,191 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:51:14,191 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:51:14,191 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 79 [2020-09-24 15:51:14,191 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:51:14,192 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-09-24 15:51:14,192 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:51:14,192 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-09-24 15:51:14,192 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 21 [2020-09-24 15:51:14,192 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-09-24 15:51:14,193 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:51:14,200 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-24 15:51:14,205 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:51:14,213 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:51:14,213 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:51:14,213 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:51:14,213 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:51:14,214 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 72 [2020-09-24 15:51:14,214 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:51:14,214 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-09-24 15:51:14,214 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:51:14,214 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-09-24 15:51:14,215 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 16 [2020-09-24 15:51:14,215 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-09-24 15:51:14,215 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:51:14,219 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-24 15:51:14,221 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:51:14,224 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:51:14,225 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:51:14,225 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:51:14,225 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:51:14,225 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 27 [2020-09-24 15:51:14,226 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:51:14,226 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-24 15:51:14,226 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:51:14,226 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-09-24 15:51:14,226 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 11 [2020-09-24 15:51:14,227 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-09-24 15:51:14,227 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:51:14,252 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-24 15:51:14,253 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:51:14,256 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:51:14,257 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:51:14,257 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:51:14,257 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:51:14,257 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-09-24 15:51:14,257 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:51:14,258 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-24 15:51:14,258 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:51:14,258 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-09-24 15:51:14,258 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:51:14,259 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-09-24 15:51:14,259 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 15:51:14,283 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2020-09-24 15:51:14,288 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:51:14,289 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:51:14,289 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:51:14,290 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:51:14,290 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:51:14,290 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 37 [2020-09-24 15:51:14,290 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:51:14,291 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:51:14,291 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:51:14,291 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:51:14,291 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 34 [2020-09-24 15:51:14,292 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:51:14,292 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:51:14,295 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-09-24 15:51:14,296 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:51:14,297 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:51:14,297 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:51:14,297 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:51:14,298 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:51:14,298 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 21 [2020-09-24 15:51:14,298 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:51:14,298 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:51:14,299 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:51:14,299 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:51:14,299 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:51:14,299 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:51:14,300 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 15:51:14,302 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-09-24 15:51:14,303 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:51:14,307 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:51:14,307 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:51:14,307 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:51:14,308 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:51:14,308 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-24 15:51:14,308 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:51:14,308 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-09-24 15:51:14,309 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:51:14,309 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:51:14,309 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:51:14,309 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:51:14,309 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:51:14,311 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2020-09-24 15:51:14,312 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:51:14,313 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:51:14,313 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:51:14,313 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:51:14,313 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:51:14,313 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-24 15:51:14,314 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:51:14,314 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:51:14,314 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:51:14,314 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:51:14,315 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:51:14,315 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:51:14,315 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:51:14,320 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2020-09-24 15:51:14,321 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:51:14,322 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:51:14,322 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:51:14,322 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:51:14,322 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:51:14,323 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 22 [2020-09-24 15:51:14,323 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:51:14,323 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:51:14,323 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:51:14,323 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:51:14,323 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 19 [2020-09-24 15:51:14,324 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:51:14,324 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:51:14,326 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-24 15:51:14,326 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:51:14,327 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:51:14,327 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:51:14,327 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:51:14,328 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:51:14,328 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-24 15:51:14,328 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:51:14,328 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-09-24 15:51:14,328 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:51:14,328 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:51:14,329 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:51:14,329 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:51:14,329 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:51:14,351 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 220 [2020-09-24 15:51:14,352 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:51:14,353 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:51:14,353 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:51:14,353 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:51:14,353 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:51:14,353 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-09-24 15:51:14,354 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:51:14,354 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:51:14,354 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:51:14,354 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:51:14,354 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 7 [2020-09-24 15:51:14,354 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:51:14,355 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:51:14,356 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 226 [2020-09-24 15:51:14,363 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:51:14,364 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:51:14,365 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:51:14,365 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:51:14,365 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:51:14,366 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 44 [2020-09-24 15:51:14,366 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:51:14,366 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:51:14,367 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:51:14,367 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:51:14,367 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 41 [2020-09-24 15:51:14,368 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:51:14,368 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 15:51:14,376 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-24 15:51:14,378 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:51:14,379 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:51:14,380 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:51:14,380 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:51:14,380 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:51:14,381 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 21 [2020-09-24 15:51:14,381 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:51:14,381 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-24 15:51:14,382 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:51:14,382 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:51:14,383 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:51:14,383 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:51:14,383 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 15:51:14,386 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-09-24 15:51:14,387 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:51:14,388 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:51:14,388 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:51:14,388 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:51:14,389 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:51:14,389 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-24 15:51:14,389 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:51:14,390 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:51:14,390 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:51:14,390 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:51:14,391 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:51:14,391 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:51:14,392 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 15:51:14,395 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2020-09-24 15:51:14,396 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:51:14,397 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:51:14,397 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:51:14,398 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:51:14,398 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:51:14,398 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 15 [2020-09-24 15:51:14,399 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:51:14,399 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:51:14,399 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:51:14,400 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:51:14,400 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:51:14,400 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:51:14,401 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 15:51:14,404 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-24 15:51:14,405 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:51:14,406 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:51:14,406 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:51:14,407 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:51:14,407 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:51:14,407 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-24 15:51:14,408 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:51:14,408 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:51:14,408 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:51:14,409 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:51:14,409 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:51:14,409 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:51:14,410 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 15:51:14,412 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 260 [2020-09-24 15:51:14,413 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:51:14,414 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:51:14,415 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:51:14,415 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:51:14,415 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:51:14,416 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-24 15:51:14,416 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:51:14,416 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:51:14,417 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:51:14,417 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:51:14,417 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-09-24 15:51:14,418 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:51:14,418 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 15:51:14,420 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 270 [2020-09-24 15:51:14,420 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:51:14,421 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:51:14,422 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:51:14,422 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:51:14,422 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:51:14,423 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-24 15:51:14,423 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:51:14,423 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:51:14,423 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:51:14,424 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:51:14,424 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-09-24 15:51:14,424 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:51:14,425 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 15:51:14,540 INFO L134 CoverageAnalysis]: Checked inductivity of 52 backedges. 25 proven. 4 refuted. 0 times theorem prover too weak. 23 trivial. 0 not checked. [2020-09-24 15:51:14,542 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1513341041] [2020-09-24 15:51:14,542 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-09-24 15:51:14,542 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [10] total 10 [2020-09-24 15:51:14,543 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [138407233] [2020-09-24 15:51:14,544 INFO L459 AbstractCegarLoop]: Interpolant automaton has 10 states [2020-09-24 15:51:14,544 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-24 15:51:14,544 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2020-09-24 15:51:14,548 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=22, Invalid=68, Unknown=0, NotChecked=0, Total=90 [2020-09-24 15:51:14,549 INFO L87 Difference]: Start difference. First operand 838 states and 920 transitions. Second operand 10 states. [2020-09-24 15:51:15,763 WARN L193 SmtUtils]: Spent 267.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-09-24 15:51:16,063 WARN L193 SmtUtils]: Spent 283.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-24 15:51:16,364 WARN L193 SmtUtils]: Spent 266.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-09-24 15:51:16,676 WARN L193 SmtUtils]: Spent 279.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-24 15:51:16,961 WARN L193 SmtUtils]: Spent 263.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-09-24 15:51:18,328 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-24 15:51:18,328 INFO L93 Difference]: Finished difference Result 1449 states and 1628 transitions. [2020-09-24 15:51:18,329 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2020-09-24 15:51:18,329 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 282 [2020-09-24 15:51:18,330 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-24 15:51:18,334 INFO L225 Difference]: With dead ends: 1449 [2020-09-24 15:51:18,335 INFO L226 Difference]: Without dead ends: 721 [2020-09-24 15:51:18,337 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 63 GetRequests, 50 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 16 ImplicationChecksByTransitivity, 1.7s TimeCoverageRelationStatistics Valid=62, Invalid=148, Unknown=0, NotChecked=0, Total=210 [2020-09-24 15:51:18,338 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 721 states. [2020-09-24 15:51:18,419 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 721 to 675. [2020-09-24 15:51:18,419 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 675 states. [2020-09-24 15:51:18,422 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 675 states to 675 states and 737 transitions. [2020-09-24 15:51:18,422 INFO L78 Accepts]: Start accepts. Automaton has 675 states and 737 transitions. Word has length 282 [2020-09-24 15:51:18,422 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-24 15:51:18,423 INFO L479 AbstractCegarLoop]: Abstraction has 675 states and 737 transitions. [2020-09-24 15:51:18,423 INFO L480 AbstractCegarLoop]: Interpolant automaton has 10 states. [2020-09-24 15:51:18,423 INFO L276 IsEmpty]: Start isEmpty. Operand 675 states and 737 transitions. [2020-09-24 15:51:18,428 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 288 [2020-09-24 15:51:18,428 INFO L414 BasicCegarLoop]: Found error trace [2020-09-24 15:51:18,429 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-09-24 15:51:18,429 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2020-09-24 15:51:18,429 INFO L427 AbstractCegarLoop]: === Iteration 10 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-24 15:51:18,429 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-24 15:51:18,429 INFO L82 PathProgramCache]: Analyzing trace with hash -460450709, now seen corresponding path program 1 times [2020-09-24 15:51:18,430 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-24 15:51:18,431 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [910335028] [2020-09-24 15:51:18,431 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-24 15:51:18,494 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:51:18,510 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:51:18,511 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:51:18,511 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:51:18,511 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:51:18,511 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 352 [2020-09-24 15:51:18,511 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:51:18,512 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 13 [2020-09-24 15:51:18,512 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:51:18,512 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 11 [2020-09-24 15:51:18,512 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 175 [2020-09-24 15:51:18,512 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 161 [2020-09-24 15:51:18,512 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:51:18,842 WARN L193 SmtUtils]: Spent 224.00 ms on a formula simplification that was a NOOP. DAG size: 184 [2020-09-24 15:51:18,844 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-24 15:51:18,851 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:51:18,852 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:51:18,852 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:51:18,853 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:51:18,853 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:51:18,853 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 85 [2020-09-24 15:51:18,853 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:51:18,853 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:51:18,854 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:51:18,854 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:51:18,854 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:51:18,854 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:51:18,854 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:51:18,883 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2020-09-24 15:51:18,884 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:51:18,885 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:51:18,885 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:51:18,885 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:51:18,885 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:51:18,885 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-24 15:51:18,885 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:51:18,886 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:51:18,886 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:51:18,886 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:51:18,886 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:51:18,886 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:51:18,886 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:51:18,890 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 86 [2020-09-24 15:51:18,891 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:51:18,892 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:51:18,892 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:51:18,892 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:51:18,892 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:51:18,892 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-24 15:51:18,893 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:51:18,893 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-09-24 15:51:18,893 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:51:18,893 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:51:18,893 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:51:18,893 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:51:18,894 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:51:18,894 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2020-09-24 15:51:18,895 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:51:18,896 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:51:18,896 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:51:18,896 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:51:18,896 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:51:18,897 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-24 15:51:18,897 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:51:18,897 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:51:18,897 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:51:18,897 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:51:18,898 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:51:18,898 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:51:18,898 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:51:18,899 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 99 [2020-09-24 15:51:18,900 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:51:18,901 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:51:18,901 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:51:18,901 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:51:18,901 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:51:18,901 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-24 15:51:18,902 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:51:18,902 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:51:18,902 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:51:18,902 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:51:18,902 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:51:18,902 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:51:18,903 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:51:18,920 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 116 [2020-09-24 15:51:18,921 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:51:18,922 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:51:18,922 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:51:18,922 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:51:18,922 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:51:18,922 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-09-24 15:51:18,923 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:51:18,923 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:51:18,923 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:51:18,923 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:51:18,923 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:51:18,923 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:51:18,924 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:51:18,938 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 129 [2020-09-24 15:51:18,944 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:51:18,946 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:51:18,946 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:51:18,946 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:51:18,947 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:51:18,947 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 105 [2020-09-24 15:51:18,947 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:51:18,947 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:51:18,947 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:51:18,947 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 15:51:18,948 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:51:18,948 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 24 [2020-09-24 15:51:18,948 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:51:18,978 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-24 15:51:18,982 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:51:18,985 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:51:18,985 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:51:18,985 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:51:18,985 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:51:18,986 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 79 [2020-09-24 15:51:18,986 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:51:18,986 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:51:18,986 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:51:18,986 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 15:51:18,987 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:51:18,987 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 19 [2020-09-24 15:51:18,987 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:51:18,996 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-24 15:51:19,000 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:51:19,002 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:51:19,003 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:51:19,003 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:51:19,003 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:51:19,003 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 72 [2020-09-24 15:51:19,004 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:51:19,004 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:51:19,004 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:51:19,004 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 15:51:19,005 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:51:19,005 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 14 [2020-09-24 15:51:19,005 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:51:19,015 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-24 15:51:19,017 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:51:19,018 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:51:19,019 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:51:19,019 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:51:19,019 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:51:19,019 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 27 [2020-09-24 15:51:19,019 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:51:19,020 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:51:19,020 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:51:19,020 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 15:51:19,020 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:51:19,021 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 9 [2020-09-24 15:51:19,021 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:51:19,028 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-24 15:51:19,029 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:51:19,031 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:51:19,031 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:51:19,031 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:51:19,031 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:51:19,032 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-09-24 15:51:19,032 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:51:19,032 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:51:19,032 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:51:19,033 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 15:51:19,033 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:51:19,033 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 3 [2020-09-24 15:51:19,033 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:51:19,039 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2020-09-24 15:51:19,042 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:51:19,043 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:51:19,044 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:51:19,044 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:51:19,044 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:51:19,045 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 37 [2020-09-24 15:51:19,045 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:51:19,045 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:51:19,045 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:51:19,045 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 15:51:19,046 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:51:19,046 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 33 [2020-09-24 15:51:19,046 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:51:19,050 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-09-24 15:51:19,051 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:51:19,051 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:51:19,052 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:51:19,052 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:51:19,052 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:51:19,052 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 21 [2020-09-24 15:51:19,053 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:51:19,053 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:51:19,053 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:51:19,053 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:51:19,054 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:51:19,054 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:51:19,054 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:51:19,056 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-09-24 15:51:19,057 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:51:19,058 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:51:19,058 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:51:19,058 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:51:19,058 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:51:19,059 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-24 15:51:19,059 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:51:19,059 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:51:19,059 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:51:19,060 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:51:19,060 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:51:19,060 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:51:19,060 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:51:19,062 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2020-09-24 15:51:19,063 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:51:19,064 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:51:19,064 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:51:19,064 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:51:19,065 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:51:19,065 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-24 15:51:19,065 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:51:19,065 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:51:19,066 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:51:19,066 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:51:19,066 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:51:19,066 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:51:19,067 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 15:51:19,073 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2020-09-24 15:51:19,075 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:51:19,076 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:51:19,077 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:51:19,077 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:51:19,077 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:51:19,077 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 22 [2020-09-24 15:51:19,078 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:51:19,078 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:51:19,078 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:51:19,078 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 15:51:19,078 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:51:19,079 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 18 [2020-09-24 15:51:19,079 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:51:19,081 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-24 15:51:19,082 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:51:19,083 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:51:19,083 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:51:19,083 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:51:19,084 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:51:19,084 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-24 15:51:19,084 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:51:19,084 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:51:19,084 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:51:19,085 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:51:19,085 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:51:19,085 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:51:19,085 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:51:19,091 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 225 [2020-09-24 15:51:19,093 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:51:19,097 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:51:19,097 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:51:19,098 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:51:19,098 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:51:19,098 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-09-24 15:51:19,098 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:51:19,099 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-09-24 15:51:19,099 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:51:19,099 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-09-24 15:51:19,100 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-09-24 15:51:19,100 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 9 [2020-09-24 15:51:19,100 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 15:51:19,126 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 231 [2020-09-24 15:51:19,130 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:51:19,131 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:51:19,132 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:51:19,132 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:51:19,132 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:51:19,132 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 44 [2020-09-24 15:51:19,133 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:51:19,133 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:51:19,133 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:51:19,133 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 15:51:19,134 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:51:19,134 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 40 [2020-09-24 15:51:19,134 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 15:51:19,138 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-24 15:51:19,139 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:51:19,140 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:51:19,140 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:51:19,140 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:51:19,141 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:51:19,141 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 21 [2020-09-24 15:51:19,141 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:51:19,141 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:51:19,142 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:51:19,142 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:51:19,142 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:51:19,142 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:51:19,143 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 15:51:19,145 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-09-24 15:51:19,146 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:51:19,147 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:51:19,147 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:51:19,147 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:51:19,147 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:51:19,148 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-24 15:51:19,148 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:51:19,148 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:51:19,148 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:51:19,149 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:51:19,149 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:51:19,149 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:51:19,149 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:51:19,151 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2020-09-24 15:51:19,152 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:51:19,153 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:51:19,153 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:51:19,153 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:51:19,153 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:51:19,154 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 15 [2020-09-24 15:51:19,154 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:51:19,154 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:51:19,154 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:51:19,154 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:51:19,155 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:51:19,155 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:51:19,155 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:51:19,157 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-24 15:51:19,157 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:51:19,158 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:51:19,158 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:51:19,158 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:51:19,159 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:51:19,159 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-24 15:51:19,159 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:51:19,159 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:51:19,159 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:51:19,160 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:51:19,160 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:51:19,160 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:51:19,160 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:51:19,162 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 265 [2020-09-24 15:51:19,163 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:51:19,167 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:51:19,168 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:51:19,168 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:51:19,168 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:51:19,168 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-24 15:51:19,169 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:51:19,169 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-09-24 15:51:19,169 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:51:19,169 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-09-24 15:51:19,169 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:51:19,169 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-09-24 15:51:19,170 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:51:19,200 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 275 [2020-09-24 15:51:19,201 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:51:19,202 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:51:19,202 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:51:19,203 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:51:19,203 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:51:19,203 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-24 15:51:19,203 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:51:19,203 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:51:19,204 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:51:19,204 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:51:19,204 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-09-24 15:51:19,204 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:51:19,204 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:51:19,293 INFO L134 CoverageAnalysis]: Checked inductivity of 52 backedges. 27 proven. 6 refuted. 0 times theorem prover too weak. 19 trivial. 0 not checked. [2020-09-24 15:51:19,293 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [910335028] [2020-09-24 15:51:19,293 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-09-24 15:51:19,294 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [13] total 13 [2020-09-24 15:51:19,294 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1478265825] [2020-09-24 15:51:19,295 INFO L459 AbstractCegarLoop]: Interpolant automaton has 13 states [2020-09-24 15:51:19,295 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-24 15:51:19,295 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2020-09-24 15:51:19,295 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=32, Invalid=124, Unknown=0, NotChecked=0, Total=156 [2020-09-24 15:51:19,295 INFO L87 Difference]: Start difference. First operand 675 states and 737 transitions. Second operand 13 states. [2020-09-24 15:51:19,790 WARN L193 SmtUtils]: Spent 265.00 ms on a formula simplification that was a NOOP. DAG size: 186 [2020-09-24 15:51:20,649 WARN L193 SmtUtils]: Spent 304.00 ms on a formula simplification that was a NOOP. DAG size: 186