/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_product62.cil.c -------------------------------------------------------------------------------- This is Ultimate 0.1.25-c90d42b [2020-09-24 15:51:09,055 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-09-24 15:51:09,059 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-09-24 15:51:09,108 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-09-24 15:51:09,109 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-09-24 15:51:09,120 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-09-24 15:51:09,123 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-09-24 15:51:09,127 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-09-24 15:51:09,130 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-09-24 15:51:09,133 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-09-24 15:51:09,134 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-09-24 15:51:09,135 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-09-24 15:51:09,136 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-09-24 15:51:09,139 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-09-24 15:51:09,142 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-09-24 15:51:09,143 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-09-24 15:51:09,145 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-09-24 15:51:09,146 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-09-24 15:51:09,148 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-09-24 15:51:09,157 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-09-24 15:51:09,159 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-09-24 15:51:09,160 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-09-24 15:51:09,161 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-09-24 15:51:09,162 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-09-24 15:51:09,165 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-09-24 15:51:09,165 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-09-24 15:51:09,165 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-09-24 15:51:09,169 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-09-24 15:51:09,169 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-09-24 15:51:09,171 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-09-24 15:51:09,171 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-09-24 15:51:09,172 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-09-24 15:51:09,173 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-09-24 15:51:09,174 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-09-24 15:51:09,175 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-09-24 15:51:09,175 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-09-24 15:51:09,176 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-09-24 15:51:09,176 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-09-24 15:51:09,177 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-09-24 15:51:09,178 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-09-24 15:51:09,179 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-09-24 15:51:09,180 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 15:51:09,229 INFO L113 SettingsManager]: Loading preferences was successful [2020-09-24 15:51:09,230 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-09-24 15:51:09,231 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-09-24 15:51:09,232 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-09-24 15:51:09,232 INFO L138 SettingsManager]: * Use SBE=true [2020-09-24 15:51:09,232 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-09-24 15:51:09,232 INFO L138 SettingsManager]: * sizeof long=4 [2020-09-24 15:51:09,233 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-09-24 15:51:09,233 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-09-24 15:51:09,233 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-09-24 15:51:09,234 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-09-24 15:51:09,234 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-09-24 15:51:09,235 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-09-24 15:51:09,235 INFO L138 SettingsManager]: * sizeof long double=12 [2020-09-24 15:51:09,235 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-09-24 15:51:09,236 INFO L138 SettingsManager]: * Use constant arrays=true [2020-09-24 15:51:09,236 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-09-24 15:51:09,236 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-09-24 15:51:09,236 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-09-24 15:51:09,236 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-09-24 15:51:09,237 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-09-24 15:51:09,237 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-09-24 15:51:09,237 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-09-24 15:51:09,237 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-09-24 15:51:09,238 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-09-24 15:51:09,238 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-09-24 15:51:09,238 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-09-24 15:51:09,238 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-09-24 15:51:09,238 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-09-24 15:51:09,239 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 15:51:09,678 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-09-24 15:51:09,701 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-09-24 15:51:09,706 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-09-24 15:51:09,708 INFO L271 PluginConnector]: Initializing CDTParser... [2020-09-24 15:51:09,709 INFO L275 PluginConnector]: CDTParser initialized [2020-09-24 15:51:09,710 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/product-lines/minepump_spec4_product62.cil.c [2020-09-24 15:51:09,802 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/fd5da51b3/78150e631e0e486b90962f3da8d9e77c/FLAGbdf4adcc5 [2020-09-24 15:51:10,424 INFO L306 CDTParser]: Found 1 translation units. [2020-09-24 15:51:10,425 INFO L160 CDTParser]: Scanning /storage/repos/ultimate-2/trunk/examples/svcomp/product-lines/minepump_spec4_product62.cil.c [2020-09-24 15:51:10,455 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/fd5da51b3/78150e631e0e486b90962f3da8d9e77c/FLAGbdf4adcc5 [2020-09-24 15:51:10,711 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/fd5da51b3/78150e631e0e486b90962f3da8d9e77c [2020-09-24 15:51:10,725 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-09-24 15:51:10,730 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-09-24 15:51:10,731 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-09-24 15:51:10,731 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-09-24 15:51:10,735 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-09-24 15:51:10,736 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.09 03:51:10" (1/1) ... [2020-09-24 15:51:10,740 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@32b5b388 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.09 03:51:10, skipping insertion in model container [2020-09-24 15:51:10,741 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.09 03:51:10" (1/1) ... [2020-09-24 15:51:10,749 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-09-24 15:51:10,806 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-09-24 15:51:11,313 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-09-24 15:51:11,330 INFO L203 MainTranslator]: Completed pre-run [2020-09-24 15:51:11,415 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-09-24 15:51:11,455 INFO L208 MainTranslator]: Completed translation [2020-09-24 15:51:11,456 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.09 03:51:11 WrapperNode [2020-09-24 15:51:11,456 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-09-24 15:51:11,457 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-09-24 15:51:11,457 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-09-24 15:51:11,457 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-09-24 15:51:11,471 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.09 03:51:11" (1/1) ... [2020-09-24 15:51:11,471 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.09 03:51:11" (1/1) ... [2020-09-24 15:51:11,493 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.09 03:51:11" (1/1) ... [2020-09-24 15:51:11,494 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.09 03:51:11" (1/1) ... [2020-09-24 15:51:11,545 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.09 03:51:11" (1/1) ... [2020-09-24 15:51:11,555 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.09 03:51:11" (1/1) ... [2020-09-24 15:51:11,559 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.09 03:51:11" (1/1) ... [2020-09-24 15:51:11,567 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-09-24 15:51:11,568 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-09-24 15:51:11,568 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-09-24 15:51:11,568 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-09-24 15:51:11,569 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.09 03:51:11" (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 15:51:11,647 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-09-24 15:51:11,648 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-09-24 15:51:11,648 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~X~int~TO~int [2020-09-24 15:51:11,648 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2020-09-24 15:51:11,648 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2020-09-24 15:51:11,648 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2020-09-24 15:51:11,648 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__base [2020-09-24 15:51:11,649 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__highWaterSensor [2020-09-24 15:51:11,649 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__methaneQuery [2020-09-24 15:51:11,649 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment [2020-09-24 15:51:11,649 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump__wrappee__lowWaterSensor [2020-09-24 15:51:11,649 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump [2020-09-24 15:51:11,650 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivatePump [2020-09-24 15:51:11,650 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneAlarm [2020-09-24 15:51:11,650 INFO L138 BoogieDeclarations]: Found implementation of procedure isPumpRunning [2020-09-24 15:51:11,650 INFO L138 BoogieDeclarations]: Found implementation of procedure printPump [2020-09-24 15:51:11,650 INFO L138 BoogieDeclarations]: Found implementation of procedure isHighWaterLevel [2020-09-24 15:51:11,650 INFO L138 BoogieDeclarations]: Found implementation of procedure isLowWaterLevel [2020-09-24 15:51:11,651 INFO L138 BoogieDeclarations]: Found implementation of procedure startSystem [2020-09-24 15:51:11,651 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification4_spec__1 [2020-09-24 15:51:11,651 INFO L138 BoogieDeclarations]: Found implementation of procedure select_one [2020-09-24 15:51:11,651 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2020-09-24 15:51:11,651 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2020-09-24 15:51:11,651 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2020-09-24 15:51:11,652 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2020-09-24 15:51:11,652 INFO L138 BoogieDeclarations]: Found implementation of procedure Specification2 [2020-09-24 15:51:11,652 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2020-09-24 15:51:11,652 INFO L138 BoogieDeclarations]: Found implementation of procedure runTest [2020-09-24 15:51:11,652 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-09-24 15:51:11,652 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_set [2020-09-24 15:51:11,653 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_free [2020-09-24 15:51:11,653 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_reset [2020-09-24 15:51:11,653 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__error_stack_mgt [2020-09-24 15:51:11,653 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_arg [2020-09-24 15:51:11,653 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_argtype [2020-09-24 15:51:11,653 INFO L138 BoogieDeclarations]: Found implementation of procedure lowerWaterLevel [2020-09-24 15:51:11,653 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2020-09-24 15:51:11,653 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2020-09-24 15:51:11,654 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2020-09-24 15:51:11,654 INFO L138 BoogieDeclarations]: Found implementation of procedure printEnvironment [2020-09-24 15:51:11,654 INFO L138 BoogieDeclarations]: Found implementation of procedure getWaterLevel [2020-09-24 15:51:11,654 INFO L138 BoogieDeclarations]: Found implementation of procedure isHighWaterSensorDry [2020-09-24 15:51:11,654 INFO L138 BoogieDeclarations]: Found implementation of procedure isLowWaterSensorDry [2020-09-24 15:51:11,654 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2020-09-24 15:51:11,654 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2020-09-24 15:51:11,654 INFO L130 BoogieDeclarations]: Found specification of procedure printf [2020-09-24 15:51:11,654 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2020-09-24 15:51:11,655 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2020-09-24 15:51:11,655 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2020-09-24 15:51:11,655 INFO L130 BoogieDeclarations]: Found specification of procedure startSystem [2020-09-24 15:51:11,655 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2020-09-24 15:51:11,655 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2020-09-24 15:51:11,655 INFO L130 BoogieDeclarations]: Found specification of procedure test [2020-09-24 15:51:11,655 INFO L130 BoogieDeclarations]: Found specification of procedure lowerWaterLevel [2020-09-24 15:51:11,656 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2020-09-24 15:51:11,656 INFO L130 BoogieDeclarations]: Found specification of procedure printEnvironment [2020-09-24 15:51:11,656 INFO L130 BoogieDeclarations]: Found specification of procedure isHighWaterSensorDry [2020-09-24 15:51:11,656 INFO L130 BoogieDeclarations]: Found specification of procedure isLowWaterSensorDry [2020-09-24 15:51:11,656 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump [2020-09-24 15:51:11,656 INFO L130 BoogieDeclarations]: Found specification of procedure deactivatePump [2020-09-24 15:51:11,657 INFO L130 BoogieDeclarations]: Found specification of procedure isPumpRunning [2020-09-24 15:51:11,657 INFO L130 BoogieDeclarations]: Found specification of procedure printPump [2020-09-24 15:51:11,657 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification4_spec__1 [2020-09-24 15:51:11,657 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment [2020-09-24 15:51:11,657 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__base [2020-09-24 15:51:11,657 INFO L130 BoogieDeclarations]: Found specification of procedure isHighWaterLevel [2020-09-24 15:51:11,658 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__highWaterSensor [2020-09-24 15:51:11,658 INFO L130 BoogieDeclarations]: Found specification of procedure isLowWaterLevel [2020-09-24 15:51:11,658 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__methaneQuery [2020-09-24 15:51:11,658 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneAlarm [2020-09-24 15:51:11,658 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump__wrappee__lowWaterSensor [2020-09-24 15:51:11,658 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-09-24 15:51:11,658 INFO L130 BoogieDeclarations]: Found specification of procedure getWaterLevel [2020-09-24 15:51:11,659 INFO L130 BoogieDeclarations]: Found specification of procedure select_one [2020-09-24 15:51:11,659 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2020-09-24 15:51:11,659 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2020-09-24 15:51:11,659 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2020-09-24 15:51:11,659 INFO L130 BoogieDeclarations]: Found specification of procedure Specification2 [2020-09-24 15:51:11,659 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2020-09-24 15:51:11,660 INFO L130 BoogieDeclarations]: Found specification of procedure runTest [2020-09-24 15:51:11,660 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-09-24 15:51:11,660 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2020-09-24 15:51:11,660 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2020-09-24 15:51:11,660 INFO L130 BoogieDeclarations]: Found specification of procedure free [2020-09-24 15:51:11,660 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_set [2020-09-24 15:51:11,660 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2020-09-24 15:51:11,661 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2020-09-24 15:51:11,661 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-09-24 15:51:11,661 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2020-09-24 15:51:11,661 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_free [2020-09-24 15:51:11,661 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-09-24 15:51:11,661 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_reset [2020-09-24 15:51:11,662 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~X~int~TO~int [2020-09-24 15:51:11,662 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2020-09-24 15:51:11,662 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__error_stack_mgt [2020-09-24 15:51:11,662 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_arg [2020-09-24 15:51:11,662 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_argtype [2020-09-24 15:51:11,662 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-09-24 15:51:11,662 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-09-24 15:51:11,663 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-09-24 15:51:12,924 INFO L290 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-09-24 15:51:12,924 INFO L295 CfgBuilder]: Removed 5 assume(true) statements. [2020-09-24 15:51:12,932 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.09 03:51:12 BoogieIcfgContainer [2020-09-24 15:51:12,932 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-09-24 15:51:12,934 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-09-24 15:51:12,934 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-09-24 15:51:12,938 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-09-24 15:51:12,938 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 24.09 03:51:10" (1/3) ... [2020-09-24 15:51:12,939 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1a358e83 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 24.09 03:51:12, skipping insertion in model container [2020-09-24 15:51:12,939 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.09 03:51:11" (2/3) ... [2020-09-24 15:51:12,940 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1a358e83 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 24.09 03:51:12, skipping insertion in model container [2020-09-24 15:51:12,940 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.09 03:51:12" (3/3) ... [2020-09-24 15:51:12,942 INFO L109 eAbstractionObserver]: Analyzing ICFG minepump_spec4_product62.cil.c [2020-09-24 15:51:12,954 INFO L157 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:Craig_NestedInterpolation Determinization: PREDICATE_ABSTRACTION [2020-09-24 15:51:12,966 INFO L169 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-09-24 15:51:12,989 INFO L251 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-09-24 15:51:13,027 INFO L375 AbstractCegarLoop]: Interprodecural is true [2020-09-24 15:51:13,028 INFO L376 AbstractCegarLoop]: Hoare is true [2020-09-24 15:51:13,028 INFO L377 AbstractCegarLoop]: Compute interpolants for Craig_NestedInterpolation [2020-09-24 15:51:13,028 INFO L378 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-09-24 15:51:13,028 INFO L379 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-09-24 15:51:13,028 INFO L380 AbstractCegarLoop]: Difference is false [2020-09-24 15:51:13,029 INFO L381 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-09-24 15:51:13,029 INFO L385 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-09-24 15:51:13,061 INFO L276 IsEmpty]: Start isEmpty. Operand 350 states. [2020-09-24 15:51:13,082 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 143 [2020-09-24 15:51:13,083 INFO L414 BasicCegarLoop]: Found error trace [2020-09-24 15:51:13,084 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 15:51:13,085 INFO L427 AbstractCegarLoop]: === Iteration 1 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-24 15:51:13,093 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-24 15:51:13,093 INFO L82 PathProgramCache]: Analyzing trace with hash 1052921660, now seen corresponding path program 1 times [2020-09-24 15:51:13,105 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-24 15:51:13,106 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1768848710] [2020-09-24 15:51:13,106 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-24 15:51:13,475 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:51:13,507 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:51:13,507 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:51:13,509 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:51:13,509 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:51:13,509 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 173 [2020-09-24 15:51:13,510 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:51:13,510 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 21 [2020-09-24 15:51:13,510 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:51:13,519 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:51:13,520 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 129 [2020-09-24 15:51:13,520 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:51:13,520 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 10 [2020-09-24 15:51:14,031 WARN L193 SmtUtils]: Spent 300.00 ms on a formula simplification that was a NOOP. DAG size: 184 [2020-09-24 15:51:14,035 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-24 15:51:14,048 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:51:14,050 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:51:14,050 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:51:14,050 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:51:14,051 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:51:14,051 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 85 [2020-09-24 15:51:14,051 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:51:14,051 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:51:14,052 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:51:14,052 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:51:14,052 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:51:14,052 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:51:14,053 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:51:14,136 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2020-09-24 15:51:14,137 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:51:14,138 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:51:14,139 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:51:14,139 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:51:14,139 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:51:14,139 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-24 15:51:14,140 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:51:14,140 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:51:14,140 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:51:14,140 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:51:14,141 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:51:14,141 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:51:14,141 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 86 [2020-09-24 15:51:14,143 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:51:14,144 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:51:14,145 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:51:14,145 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:51:14,145 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:51:14,145 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-24 15:51:14,146 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:51:14,146 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:51:14,146 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:51:14,146 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:51:14,147 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:51:14,147 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:51:14,147 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:51:14,148 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2020-09-24 15:51:14,149 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:51:14,150 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:51:14,151 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:51:14,151 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:51:14,151 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:51:14,151 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-24 15:51:14,151 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:51:14,152 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:51:14,152 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:51:14,152 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:51:14,152 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:51:14,153 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:51:14,153 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:51:14,155 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 99 [2020-09-24 15:51:14,156 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:51:14,157 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:51:14,157 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:51:14,158 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:51:14,158 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:51:14,158 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-24 15:51:14,158 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:51:14,159 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:51:14,159 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:51:14,159 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:51:14,159 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:51:14,159 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:51:14,160 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:51:14,161 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 120 [2020-09-24 15:51:14,162 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:51:14,163 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:51:14,163 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:51:14,163 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:51:14,164 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:51:14,164 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-24 15:51:14,164 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:51:14,164 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:51:14,164 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:51:14,165 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:51:14,165 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-09-24 15:51:14,165 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:51:14,165 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:51:14,168 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 130 [2020-09-24 15:51:14,169 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:51:14,170 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:51:14,171 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:51:14,171 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:51:14,171 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:51:14,171 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-24 15:51:14,171 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:51:14,172 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:51:14,172 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:51:14,172 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:51:14,172 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-09-24 15:51:14,173 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:51:14,173 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:51:14,197 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 15:51:14,198 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1768848710] [2020-09-24 15:51:14,200 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-24 15:51:14,201 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-09-24 15:51:14,202 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1983765222] [2020-09-24 15:51:14,209 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-09-24 15:51:14,210 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-24 15:51:14,228 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-09-24 15:51:14,229 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-09-24 15:51:14,231 INFO L87 Difference]: Start difference. First operand 350 states. Second operand 3 states. [2020-09-24 15:51:15,800 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-24 15:51:15,801 INFO L93 Difference]: Finished difference Result 570 states and 675 transitions. [2020-09-24 15:51:15,802 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-09-24 15:51:15,803 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 142 [2020-09-24 15:51:15,804 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-24 15:51:15,825 INFO L225 Difference]: With dead ends: 570 [2020-09-24 15:51:15,825 INFO L226 Difference]: Without dead ends: 345 [2020-09-24 15:51:15,832 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 15:51:15,851 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 345 states. [2020-09-24 15:51:15,937 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 345 to 299. [2020-09-24 15:51:15,939 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 299 states. [2020-09-24 15:51:15,941 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 299 states to 299 states and 327 transitions. [2020-09-24 15:51:15,944 INFO L78 Accepts]: Start accepts. Automaton has 299 states and 327 transitions. Word has length 142 [2020-09-24 15:51:15,944 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-24 15:51:15,945 INFO L479 AbstractCegarLoop]: Abstraction has 299 states and 327 transitions. [2020-09-24 15:51:15,945 INFO L480 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-09-24 15:51:15,945 INFO L276 IsEmpty]: Start isEmpty. Operand 299 states and 327 transitions. [2020-09-24 15:51:15,950 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 144 [2020-09-24 15:51:15,950 INFO L414 BasicCegarLoop]: Found error trace [2020-09-24 15:51:15,950 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 15:51:15,951 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-09-24 15:51:15,951 INFO L427 AbstractCegarLoop]: === Iteration 2 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-24 15:51:15,951 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-24 15:51:15,951 INFO L82 PathProgramCache]: Analyzing trace with hash 277442402, now seen corresponding path program 1 times [2020-09-24 15:51:15,952 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-24 15:51:15,952 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1156729952] [2020-09-24 15:51:15,952 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-24 15:51:16,025 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:51:16,033 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:51:16,034 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:51:16,034 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:51:16,034 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:51:16,034 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 174 [2020-09-24 15:51:16,035 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:51:16,035 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-09-24 15:51:16,035 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:51:16,035 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 15:51:16,036 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 128 [2020-09-24 15:51:16,036 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 3 [2020-09-24 15:51:16,036 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:51:16,399 WARN L193 SmtUtils]: Spent 268.00 ms on a formula simplification that was a NOOP. DAG size: 184 [2020-09-24 15:51:16,400 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-24 15:51:16,409 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:51:16,411 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:51:16,411 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:51:16,413 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:51:16,413 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:51:16,413 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 85 [2020-09-24 15:51:16,413 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:51:16,414 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-24 15:51:16,414 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:51:16,414 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:51:16,414 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:51:16,415 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:51:16,415 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 15:51:16,461 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2020-09-24 15:51:16,462 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:51:16,463 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:51:16,463 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:51:16,463 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:51:16,464 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:51:16,464 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-24 15:51:16,464 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:51:16,464 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:51:16,465 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:51:16,465 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:51:16,465 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:51:16,465 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:51:16,466 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:51:16,467 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 86 [2020-09-24 15:51:16,468 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:51:16,469 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:51:16,469 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:51:16,469 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:51:16,470 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:51:16,470 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-24 15:51:16,470 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:51:16,470 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:51:16,470 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:51:16,471 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:51:16,471 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:51:16,471 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:51:16,471 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 15:51:16,473 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2020-09-24 15:51:16,473 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:51:16,475 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:51:16,475 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:51:16,475 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:51:16,475 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:51:16,476 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-24 15:51:16,476 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:51:16,476 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:51:16,476 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:51:16,477 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:51:16,477 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:51:16,477 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:51:16,477 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:51:16,479 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 99 [2020-09-24 15:51:16,479 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:51:16,480 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:51:16,481 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:51:16,481 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:51:16,481 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:51:16,481 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-24 15:51:16,481 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:51:16,482 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:51:16,482 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:51:16,482 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:51:16,482 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:51:16,482 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:51:16,483 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:51:16,484 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 121 [2020-09-24 15:51:16,485 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:51:16,485 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:51:16,486 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:51:16,486 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:51:16,486 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:51:16,486 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-24 15:51:16,486 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:51:16,487 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:51:16,487 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:51:16,487 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:51:16,487 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-09-24 15:51:16,487 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:51:16,488 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:51:16,489 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 131 [2020-09-24 15:51:16,490 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:51:16,491 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:51:16,491 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:51:16,491 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:51:16,492 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:51:16,492 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-24 15:51:16,492 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:51:16,492 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:51:16,492 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:51:16,493 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:51:16,493 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-09-24 15:51:16,493 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:51:16,493 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:51:16,516 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 15:51:16,517 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1156729952] [2020-09-24 15:51:16,517 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-24 15:51:16,517 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2020-09-24 15:51:16,518 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [99613763] [2020-09-24 15:51:16,520 INFO L459 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-09-24 15:51:16,520 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-24 15:51:16,521 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-09-24 15:51:16,521 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2020-09-24 15:51:16,521 INFO L87 Difference]: Start difference. First operand 299 states and 327 transitions. Second operand 4 states. [2020-09-24 15:51:17,158 WARN L193 SmtUtils]: Spent 235.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-09-24 15:51:18,541 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-24 15:51:18,542 INFO L93 Difference]: Finished difference Result 483 states and 546 transitions. [2020-09-24 15:51:18,542 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-09-24 15:51:18,543 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 143 [2020-09-24 15:51:18,544 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-24 15:51:18,549 INFO L225 Difference]: With dead ends: 483 [2020-09-24 15:51:18,549 INFO L226 Difference]: Without dead ends: 328 [2020-09-24 15:51:18,551 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 18 GetRequests, 15 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 15:51:18,552 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 328 states. [2020-09-24 15:51:18,600 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 328 to 289. [2020-09-24 15:51:18,600 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 289 states. [2020-09-24 15:51:18,602 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 289 states to 289 states and 314 transitions. [2020-09-24 15:51:18,603 INFO L78 Accepts]: Start accepts. Automaton has 289 states and 314 transitions. Word has length 143 [2020-09-24 15:51:18,604 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-24 15:51:18,604 INFO L479 AbstractCegarLoop]: Abstraction has 289 states and 314 transitions. [2020-09-24 15:51:18,604 INFO L480 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-09-24 15:51:18,604 INFO L276 IsEmpty]: Start isEmpty. Operand 289 states and 314 transitions. [2020-09-24 15:51:18,607 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 157 [2020-09-24 15:51:18,607 INFO L414 BasicCegarLoop]: Found error trace [2020-09-24 15:51:18,607 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] [2020-09-24 15:51:18,607 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-09-24 15:51:18,608 INFO L427 AbstractCegarLoop]: === Iteration 3 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-24 15:51:18,608 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-24 15:51:18,608 INFO L82 PathProgramCache]: Analyzing trace with hash -863874740, now seen corresponding path program 1 times [2020-09-24 15:51:18,608 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-24 15:51:18,609 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [763878799] [2020-09-24 15:51:18,609 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-24 15:51:18,674 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:51:18,679 FATAL L256 erpolLogProxyWrapper]: Difference in size: 5 [2020-09-24 15:51:18,679 FATAL L256 erpolLogProxyWrapper]: Difference in depth: -42 [2020-09-24 15:51:18,679 FATAL L256 erpolLogProxyWrapper]: Difference in width: 42 [2020-09-24 15:51:18,680 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:51:18,680 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 187 [2020-09-24 15:51:18,680 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:51:18,680 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-24 15:51:18,680 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:51:18,681 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 15:51:18,681 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 146 [2020-09-24 15:51:18,681 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-09-24 15:51:18,681 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:51:18,973 WARN L193 SmtUtils]: Spent 211.00 ms on a formula simplification that was a NOOP. DAG size: 184 [2020-09-24 15:51:18,974 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-24 15:51:18,982 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:51:18,984 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:51:18,984 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:51:18,984 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:51:18,984 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:51:18,985 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 85 [2020-09-24 15:51:18,985 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:51:18,985 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:51:18,985 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:51:18,986 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:51:18,986 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:51:18,986 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:51:18,986 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:51:19,025 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2020-09-24 15:51:19,026 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:51:19,027 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:51:19,028 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:51:19,028 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:51:19,028 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:51:19,028 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-24 15:51:19,029 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:51:19,029 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:51:19,029 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:51:19,029 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:51:19,029 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:51:19,030 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:51:19,030 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:51:19,031 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 86 [2020-09-24 15:51:19,032 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:51:19,032 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:51:19,033 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:51:19,033 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:51:19,033 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:51:19,033 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-24 15:51:19,034 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:51:19,034 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:51:19,034 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:51:19,034 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:51:19,034 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:51:19,035 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:51:19,035 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:51:19,036 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2020-09-24 15:51:19,037 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:51:19,038 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:51:19,038 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:51:19,038 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:51:19,038 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:51:19,039 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-24 15:51:19,039 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:51:19,039 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:51:19,039 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:51:19,039 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:51:19,040 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:51:19,040 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:51:19,040 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:51:19,042 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 99 [2020-09-24 15:51:19,042 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:51:19,044 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: 8 [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 15:51:19,046 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [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: 1 [2020-09-24 15:51:19,046 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:51:19,054 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2020-09-24 15:51:19,055 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:51:19,057 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:51:19,057 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 15:51:19,058 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-24 15:51:19,058 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:51:19,058 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-24 15:51:19,059 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:51:19,059 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 15:51:19,059 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:51:19,059 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [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 134 [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 15:51:19,065 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: 11 [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: 8 [2020-09-24 15:51:19,066 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:51:19,066 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:51:19,068 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 144 [2020-09-24 15:51:19,069 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:51:19,070 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:51:19,070 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:51:19,070 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:51:19,070 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:51:19,071 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-24 15:51:19,071 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:51:19,071 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:51:19,071 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:51:19,071 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:51:19,072 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-09-24 15:51:19,072 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:51:19,072 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:51:19,130 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 15:51:19,130 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [763878799] [2020-09-24 15:51:19,130 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-24 15:51:19,131 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2020-09-24 15:51:19,131 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1195607605] [2020-09-24 15:51:19,131 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-09-24 15:51:19,135 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-24 15:51:19,135 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-09-24 15:51:19,135 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-09-24 15:51:19,136 INFO L87 Difference]: Start difference. First operand 289 states and 314 transitions. Second operand 5 states. [2020-09-24 15:51:19,672 WARN L193 SmtUtils]: Spent 280.00 ms on a formula simplification that was a NOOP. DAG size: 186 [2020-09-24 15:51:20,950 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-24 15:51:20,951 INFO L93 Difference]: Finished difference Result 529 states and 608 transitions. [2020-09-24 15:51:20,951 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2020-09-24 15:51:20,951 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 156 [2020-09-24 15:51:20,952 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-24 15:51:20,956 INFO L225 Difference]: With dead ends: 529 [2020-09-24 15:51:20,956 INFO L226 Difference]: Without dead ends: 350 [2020-09-24 15:51:20,957 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 23 GetRequests, 18 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=18, Invalid=24, Unknown=0, NotChecked=0, Total=42 [2020-09-24 15:51:20,958 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 350 states. [2020-09-24 15:51:21,000 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 350 to 289. [2020-09-24 15:51:21,000 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 289 states. [2020-09-24 15:51:21,002 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 289 states to 289 states and 313 transitions. [2020-09-24 15:51:21,002 INFO L78 Accepts]: Start accepts. Automaton has 289 states and 313 transitions. Word has length 156 [2020-09-24 15:51:21,003 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-24 15:51:21,003 INFO L479 AbstractCegarLoop]: Abstraction has 289 states and 313 transitions. [2020-09-24 15:51:21,003 INFO L480 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-09-24 15:51:21,003 INFO L276 IsEmpty]: Start isEmpty. Operand 289 states and 313 transitions. [2020-09-24 15:51:21,006 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 175 [2020-09-24 15:51:21,006 INFO L414 BasicCegarLoop]: Found error trace [2020-09-24 15:51:21,007 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] [2020-09-24 15:51:21,007 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-09-24 15:51:21,007 INFO L427 AbstractCegarLoop]: === Iteration 4 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-24 15:51:21,007 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-24 15:51:21,008 INFO L82 PathProgramCache]: Analyzing trace with hash 1152669890, now seen corresponding path program 1 times [2020-09-24 15:51:21,008 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-24 15:51:21,008 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1234724050] [2020-09-24 15:51:21,008 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-24 15:51:21,065 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:51:21,112 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:51:21,112 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:51:21,112 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:51:21,113 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:51:21,113 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 213 [2020-09-24 15:51:21,113 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:51:21,113 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 45 [2020-09-24 15:51:21,113 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:51:21,114 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 16 [2020-09-24 15:51:21,114 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 77 [2020-09-24 15:51:21,114 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 92 [2020-09-24 15:51:21,114 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:51:21,494 WARN L193 SmtUtils]: Spent 278.00 ms on a formula simplification that was a NOOP. DAG size: 184 [2020-09-24 15:51:21,495 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-24 15:51:21,538 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:51:21,540 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:51:21,540 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:51:21,541 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:51:21,541 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:51:21,542 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 85 [2020-09-24 15:51:21,542 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:51:21,542 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-24 15:51:21,542 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:51:21,543 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 15:51:21,543 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:51:21,543 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 73 [2020-09-24 15:51:21,544 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 15:51:21,609 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2020-09-24 15:51:21,610 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:51:21,611 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:51:21,612 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:51:21,612 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:51:21,612 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:51:21,613 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-24 15:51:21,613 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:51:21,613 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-24 15:51:21,614 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:51:21,614 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 15:51:21,614 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:51:21,615 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-24 15:51:21,615 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 15:51:21,616 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 86 [2020-09-24 15:51:21,617 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:51:21,619 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:51:21,619 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:51:21,619 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:51:21,620 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:51:21,620 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-24 15:51:21,620 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:51:21,621 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:51:21,621 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:51:21,621 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 15:51:21,621 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:51:21,622 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-24 15:51:21,622 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:51:21,623 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2020-09-24 15:51:21,624 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:51:21,626 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:51:21,626 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:51:21,626 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:51:21,626 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:51:21,627 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-24 15:51:21,627 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:51:21,627 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:51:21,627 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:51:21,628 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 15:51:21,628 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:51:21,628 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-09-24 15:51:21,629 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 15:51:21,631 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 99 [2020-09-24 15:51:21,632 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:51:21,633 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:51:21,634 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:51:21,634 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:51:21,635 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:51:21,635 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-24 15:51:21,635 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:51:21,635 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-24 15:51:21,636 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:51:21,636 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 15:51:21,636 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:51:21,637 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-24 15:51:21,637 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 15:51:21,653 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2020-09-24 15:51:21,655 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:51:21,656 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:51:21,656 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:51:21,657 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:51:21,657 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:51:21,657 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-24 15:51:21,658 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:51:21,658 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:51:21,658 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:51:21,659 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 15:51:21,659 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:51:21,659 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-09-24 15:51:21,660 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 15:51:21,670 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 131 [2020-09-24 15:51:21,673 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:51:21,679 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:51:21,679 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:51:21,679 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:51:21,679 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:51:21,680 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 29 [2020-09-24 15:51:21,680 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:51:21,680 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-09-24 15:51:21,680 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:51:21,680 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-09-24 15:51:21,681 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 4 [2020-09-24 15:51:21,681 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 11 [2020-09-24 15:51:21,681 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:51:21,685 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-24 15:51:21,686 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:51:21,689 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:51:21,690 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:51:21,690 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:51:21,691 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:51:21,691 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 22 [2020-09-24 15:51:21,691 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:51:21,692 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-24 15:51:21,692 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:51:21,692 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-09-24 15:51:21,693 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 4 [2020-09-24 15:51:21,693 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-09-24 15:51:21,693 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 15:51:21,697 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-24 15:51:21,699 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:51:21,702 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:51:21,702 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:51:21,703 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:51:21,703 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:51:21,704 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 15 [2020-09-24 15:51:21,704 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:51:21,704 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-24 15:51:21,704 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:51:21,705 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-09-24 15:51:21,705 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-09-24 15:51:21,705 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 14 [2020-09-24 15:51:21,706 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 15:51:21,720 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-24 15:51:21,721 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:51:21,723 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:51:21,723 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:51:21,723 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:51:21,724 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:51:21,724 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-24 15:51:21,725 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:51:21,725 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-24 15:51:21,725 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:51:21,726 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 15:51:21,726 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:51:21,727 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-24 15:51:21,727 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 15:51:21,729 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 152 [2020-09-24 15:51:21,731 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:51:21,732 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:51:21,732 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:51:21,732 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:51:21,733 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:51:21,733 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-24 15:51:21,733 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:51:21,734 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:51:21,734 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:51:21,734 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:51:21,735 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-09-24 15:51:21,735 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:51:21,735 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 15:51:21,742 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 162 [2020-09-24 15:51:21,743 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:51:21,744 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:51:21,744 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:51:21,745 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:51:21,745 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:51:21,745 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-24 15:51:21,745 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:51:21,746 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:51:21,746 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:51:21,746 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:51:21,747 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-09-24 15:51:21,747 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:51:21,747 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 15:51:21,813 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 15:51:21,814 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1234724050] [2020-09-24 15:51:21,814 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-24 15:51:21,814 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2020-09-24 15:51:21,814 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1218942339] [2020-09-24 15:51:21,815 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-09-24 15:51:21,815 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-24 15:51:21,815 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-09-24 15:51:21,816 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2020-09-24 15:51:21,816 INFO L87 Difference]: Start difference. First operand 289 states and 313 transitions. Second operand 7 states. [2020-09-24 15:51:22,465 WARN L193 SmtUtils]: Spent 244.00 ms on a formula simplification that was a NOOP. DAG size: 186 [2020-09-24 15:51:24,477 WARN L193 SmtUtils]: Spent 268.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-09-24 15:51:25,643 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-24 15:51:25,643 INFO L93 Difference]: Finished difference Result 728 states and 857 transitions. [2020-09-24 15:51:25,643 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2020-09-24 15:51:25,644 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 174 [2020-09-24 15:51:25,645 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-24 15:51:25,649 INFO L225 Difference]: With dead ends: 728 [2020-09-24 15:51:25,649 INFO L226 Difference]: Without dead ends: 549 [2020-09-24 15:51:25,651 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 48 GetRequests, 35 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 23 ImplicationChecksByTransitivity, 0.9s TimeCoverageRelationStatistics Valid=64, Invalid=146, Unknown=0, NotChecked=0, Total=210 [2020-09-24 15:51:25,652 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 549 states. [2020-09-24 15:51:25,740 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 549 to 422. [2020-09-24 15:51:25,741 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 422 states. [2020-09-24 15:51:25,743 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 422 states to 422 states and 452 transitions. [2020-09-24 15:51:25,744 INFO L78 Accepts]: Start accepts. Automaton has 422 states and 452 transitions. Word has length 174 [2020-09-24 15:51:25,744 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-24 15:51:25,744 INFO L479 AbstractCegarLoop]: Abstraction has 422 states and 452 transitions. [2020-09-24 15:51:25,745 INFO L480 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-09-24 15:51:25,745 INFO L276 IsEmpty]: Start isEmpty. Operand 422 states and 452 transitions. [2020-09-24 15:51:25,747 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 199 [2020-09-24 15:51:25,747 INFO L414 BasicCegarLoop]: Found error trace [2020-09-24 15:51:25,747 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] [2020-09-24 15:51:25,748 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2020-09-24 15:51:25,748 INFO L427 AbstractCegarLoop]: === Iteration 5 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-24 15:51:25,748 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-24 15:51:25,748 INFO L82 PathProgramCache]: Analyzing trace with hash 1132790830, now seen corresponding path program 1 times [2020-09-24 15:51:25,749 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-24 15:51:25,749 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1936968419] [2020-09-24 15:51:25,749 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-24 15:51:25,810 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:51:25,852 FATAL L256 erpolLogProxyWrapper]: Difference in size: 5 [2020-09-24 15:51:25,852 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:51:25,853 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:51:25,853 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:51:25,853 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 241 [2020-09-24 15:51:25,853 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:51:25,853 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 39 [2020-09-24 15:51:25,853 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:51:25,854 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 14 [2020-09-24 15:51:25,854 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 81 [2020-09-24 15:51:25,854 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 144 [2020-09-24 15:51:25,854 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:51:26,222 WARN L193 SmtUtils]: Spent 254.00 ms on a formula simplification that was a NOOP. DAG size: 184 [2020-09-24 15:51:26,223 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-24 15:51:26,260 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:51:26,262 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:51:26,263 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:51:26,263 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:51:26,263 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:51:26,264 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 85 [2020-09-24 15:51:26,264 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:51:26,264 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-24 15:51:26,264 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:51:26,264 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 15:51:26,265 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:51:26,265 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 77 [2020-09-24 15:51:26,265 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:51:26,311 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2020-09-24 15:51:26,312 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:51:26,314 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:51:26,314 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:51:26,314 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:51:26,314 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:51:26,315 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-24 15:51:26,315 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:51:26,315 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:51:26,315 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:51:26,315 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 15:51:26,316 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:51:26,316 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-24 15:51:26,316 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:51:26,318 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 86 [2020-09-24 15:51:26,319 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:51:26,320 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:51:26,320 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:51:26,321 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:51:26,321 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:51:26,321 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-24 15:51:26,322 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:51:26,322 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-24 15:51:26,322 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:51:26,322 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 15:51:26,323 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:51:26,323 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-24 15:51:26,323 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 15:51:26,325 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2020-09-24 15:51:26,326 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:51:26,327 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:51:26,328 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:51:26,328 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:51:26,328 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:51:26,329 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-24 15:51:26,329 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:51:26,329 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:51:26,329 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:51:26,330 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 15:51:26,330 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:51:26,330 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-09-24 15:51:26,330 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:51:26,333 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 99 [2020-09-24 15:51:26,334 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:51:26,335 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:51:26,336 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:51:26,336 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:51:26,336 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:51:26,337 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-24 15:51:26,337 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:51:26,337 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-24 15:51:26,337 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:51:26,337 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 15:51:26,338 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:51:26,338 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-24 15:51:26,338 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:51:26,351 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2020-09-24 15:51:26,352 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:51:26,353 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:51:26,354 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:51:26,354 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:51:26,354 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:51:26,354 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-24 15:51:26,355 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:51:26,355 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:51:26,355 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:51:26,355 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 15:51:26,355 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:51:26,356 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-09-24 15:51:26,356 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:51:26,367 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 131 [2020-09-24 15:51:26,375 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:51:26,377 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:51:26,377 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:51:26,377 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:51:26,378 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:51:26,378 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 57 [2020-09-24 15:51:26,378 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:51:26,378 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:51:26,378 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:51:26,379 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 15:51:26,379 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:51:26,379 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 53 [2020-09-24 15:51:26,379 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:51:26,384 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-24 15:51:26,385 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:51:26,387 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:51:26,387 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:51:26,387 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:51:26,387 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:51:26,387 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 50 [2020-09-24 15:51:26,388 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:51:26,388 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:51:26,388 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:51:26,388 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:51:26,388 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:51:26,389 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:51:26,389 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:51:26,392 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-24 15:51:26,394 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:51:26,395 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:51:26,395 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:51:26,395 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:51:26,395 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:51:26,396 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 43 [2020-09-24 15:51:26,396 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:51:26,396 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:51:26,396 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:51:26,396 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:51:26,397 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:51:26,397 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:51:26,397 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:51:26,400 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-24 15:51:26,402 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:51:26,403 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:51:26,403 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:51:26,404 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:51:26,404 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:51:26,404 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 27 [2020-09-24 15:51:26,404 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:51:26,405 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:51:26,405 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:51:26,405 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:51:26,405 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:51:26,406 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:51:26,406 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 15:51:26,409 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-24 15:51:26,410 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:51:26,411 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:51:26,411 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:51:26,412 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:51:26,412 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:51:26,412 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-09-24 15:51:26,412 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:51:26,413 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:51:26,413 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:51:26,413 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:51:26,413 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:51:26,414 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:51:26,414 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 15:51:26,416 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2020-09-24 15:51:26,417 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:51:26,418 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:51:26,418 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:51:26,418 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:51:26,418 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:51:26,419 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-24 15:51:26,419 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:51:26,419 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:51:26,419 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:51:26,419 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:51:26,420 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:51:26,420 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:51:26,420 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:51:26,424 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 176 [2020-09-24 15:51:26,425 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:51:26,429 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:51:26,429 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:51:26,429 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:51:26,430 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:51:26,430 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-24 15:51:26,430 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:51:26,430 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-09-24 15:51:26,431 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:51:26,431 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-09-24 15:51:26,431 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:51:26,431 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-09-24 15:51:26,431 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:51:26,460 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 186 [2020-09-24 15:51:26,461 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:51:26,462 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:51:26,462 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:51:26,462 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:51:26,463 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:51:26,463 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-24 15:51:26,463 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:51:26,463 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:51:26,463 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:51:26,464 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:51:26,464 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-09-24 15:51:26,464 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:51:26,464 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:51:26,509 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 15:51:26,510 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1936968419] [2020-09-24 15:51:26,510 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-24 15:51:26,510 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2020-09-24 15:51:26,511 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1451543767] [2020-09-24 15:51:26,511 INFO L459 AbstractCegarLoop]: Interpolant automaton has 10 states [2020-09-24 15:51:26,511 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-24 15:51:26,512 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2020-09-24 15:51:26,512 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=71, Unknown=0, NotChecked=0, Total=90 [2020-09-24 15:51:26,512 INFO L87 Difference]: Start difference. First operand 422 states and 452 transitions. Second operand 10 states. [2020-09-24 15:51:27,154 WARN L193 SmtUtils]: Spent 312.00 ms on a formula simplification that was a NOOP. DAG size: 186 [2020-09-24 15:51:29,296 WARN L193 SmtUtils]: Spent 232.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-09-24 15:51:29,584 WARN L193 SmtUtils]: Spent 245.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-09-24 15:51:29,896 WARN L193 SmtUtils]: Spent 244.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-09-24 15:51:30,210 WARN L193 SmtUtils]: Spent 266.00 ms on a formula simplification that was a NOOP. DAG size: 186 [2020-09-24 15:51:30,543 WARN L193 SmtUtils]: Spent 300.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-09-24 15:51:30,860 WARN L193 SmtUtils]: Spent 273.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-09-24 15:51:31,171 WARN L193 SmtUtils]: Spent 276.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-09-24 15:51:33,110 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-24 15:51:33,111 INFO L93 Difference]: Finished difference Result 1124 states and 1340 transitions. [2020-09-24 15:51:33,111 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2020-09-24 15:51:33,111 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 198 [2020-09-24 15:51:33,112 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-24 15:51:33,119 INFO L225 Difference]: With dead ends: 1124 [2020-09-24 15:51:33,119 INFO L226 Difference]: Without dead ends: 812 [2020-09-24 15:51:33,121 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 55 GetRequests, 35 SyntacticMatches, 0 SemanticMatches, 20 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 59 ImplicationChecksByTransitivity, 2.6s TimeCoverageRelationStatistics Valid=134, Invalid=328, Unknown=0, NotChecked=0, Total=462 [2020-09-24 15:51:33,123 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 812 states. [2020-09-24 15:51:33,243 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 812 to 611. [2020-09-24 15:51:33,244 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 611 states. [2020-09-24 15:51:33,247 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 611 states to 611 states and 665 transitions. [2020-09-24 15:51:33,249 INFO L78 Accepts]: Start accepts. Automaton has 611 states and 665 transitions. Word has length 198 [2020-09-24 15:51:33,249 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-24 15:51:33,249 INFO L479 AbstractCegarLoop]: Abstraction has 611 states and 665 transitions. [2020-09-24 15:51:33,250 INFO L480 AbstractCegarLoop]: Interpolant automaton has 10 states. [2020-09-24 15:51:33,250 INFO L276 IsEmpty]: Start isEmpty. Operand 611 states and 665 transitions. [2020-09-24 15:51:33,255 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 204 [2020-09-24 15:51:33,255 INFO L414 BasicCegarLoop]: Found error trace [2020-09-24 15:51:33,256 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] [2020-09-24 15:51:33,256 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2020-09-24 15:51:33,256 INFO L427 AbstractCegarLoop]: === Iteration 6 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-24 15:51:33,257 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-24 15:51:33,257 INFO L82 PathProgramCache]: Analyzing trace with hash 3424835, now seen corresponding path program 1 times [2020-09-24 15:51:33,257 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-24 15:51:33,257 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1596728916] [2020-09-24 15:51:33,258 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-24 15:51:33,328 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:51:33,393 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:51:33,393 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:51:33,393 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:51:33,394 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:51:33,394 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 248 [2020-09-24 15:51:33,394 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:51:33,395 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 63 [2020-09-24 15:51:33,395 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:51:33,395 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 20 [2020-09-24 15:51:33,396 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 77 [2020-09-24 15:51:33,396 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 167 [2020-09-24 15:51:33,396 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 15:51:33,784 WARN L193 SmtUtils]: Spent 213.00 ms on a formula simplification that was a NOOP. DAG size: 184 [2020-09-24 15:51:33,785 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-24 15:51:33,831 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:51:33,833 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:51:33,833 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:51:33,834 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:51:33,834 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:51:33,834 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 85 [2020-09-24 15:51:33,834 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:51:33,834 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:51:33,835 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:51:33,835 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 15:51:33,835 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:51:33,835 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 73 [2020-09-24 15:51:33,835 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:51:33,879 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2020-09-24 15:51:33,880 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:51:33,881 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:51:33,882 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:51:33,882 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:51:33,882 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:51:33,882 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-24 15:51:33,882 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:51:33,883 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:51:33,883 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:51:33,883 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 15:51:33,883 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:51:33,883 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-24 15:51:33,884 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:51:33,885 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 86 [2020-09-24 15:51:33,885 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:51:33,887 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:51:33,887 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:51:33,887 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:51:33,887 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:51:33,888 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-24 15:51:33,888 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:51:33,888 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:51:33,888 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:51:33,888 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 15:51:33,888 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:51:33,889 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-24 15:51:33,889 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:51:33,890 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2020-09-24 15:51:33,891 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:51:33,893 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:51:33,893 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:51:33,893 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:51:33,894 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:51:33,894 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-24 15:51:33,894 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:51:33,894 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:51:33,894 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:51:33,894 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 15:51:33,895 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:51:33,895 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-09-24 15:51:33,895 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:51:33,897 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 99 [2020-09-24 15:51:33,898 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:51:33,899 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:51:33,899 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:51:33,899 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:51:33,900 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:51:33,900 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-24 15:51:33,900 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:51:33,900 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:51:33,900 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:51:33,900 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 15:51:33,901 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:51:33,901 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-24 15:51:33,901 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:51:33,912 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 116 [2020-09-24 15:51:33,914 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:51:33,915 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:51:33,915 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:51:33,916 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:51:33,916 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:51:33,916 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-09-24 15:51:33,916 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:51:33,917 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:51:33,917 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:51:33,917 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 15:51:33,917 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:51:33,917 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-09-24 15:51:33,918 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:51:33,929 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 129 [2020-09-24 15:51:33,934 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:51:33,935 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:51:33,936 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:51:33,936 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:51:33,936 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:51:33,936 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-24 15:51:33,937 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:51:33,937 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:51:33,937 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:51:33,937 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 15:51:33,937 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:51:33,937 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-09-24 15:51:33,938 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:51:33,951 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 136 [2020-09-24 15:51:33,955 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:51:33,958 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:51:33,958 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:51:33,959 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:51:33,959 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:51:33,959 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 57 [2020-09-24 15:51:33,959 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:51:33,959 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-24 15:51:33,960 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:51:33,960 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 15:51:33,960 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:51:33,960 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 13 [2020-09-24 15:51:33,960 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:51:33,970 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-24 15:51:33,977 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:51:33,981 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:51:33,981 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:51:33,982 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:51:33,982 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:51:33,982 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 50 [2020-09-24 15:51:33,982 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:51:33,982 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-24 15:51:33,983 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:51:33,983 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 15:51:33,983 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:51:33,983 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-09-24 15:51:33,983 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:51:33,988 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-24 15:51:33,992 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:51:33,994 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:51:33,995 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:51:33,995 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:51:33,995 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:51:33,995 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 43 [2020-09-24 15:51:33,995 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:51:33,996 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-24 15:51:33,996 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:51:33,996 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 15:51:33,996 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:51:33,996 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 3 [2020-09-24 15:51:33,997 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:51:34,004 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-24 15:51:34,006 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:51:34,008 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:51:34,008 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:51:34,008 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:51:34,009 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:51:34,009 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 27 [2020-09-24 15:51:34,009 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:51:34,009 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:51:34,009 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:51:34,010 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 15:51:34,010 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:51:34,010 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 23 [2020-09-24 15:51:34,010 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:51:34,014 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-24 15:51:34,014 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:51:34,015 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:51:34,015 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:51:34,016 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:51:34,016 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:51:34,016 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-09-24 15:51:34,016 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:51:34,017 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:51:34,017 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:51:34,017 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:51:34,017 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:51:34,018 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:51:34,018 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:51:34,020 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2020-09-24 15:51:34,021 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:51:34,022 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:51:34,022 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:51:34,023 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:51:34,023 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:51:34,023 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-24 15:51:34,023 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:51:34,024 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:51:34,024 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:51:34,024 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 15:51:34,024 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:51:34,024 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-24 15:51:34,025 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:51:34,029 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 181 [2020-09-24 15:51:34,030 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:51:34,031 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:51:34,031 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:51:34,032 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:51:34,032 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:51:34,032 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-24 15:51:34,032 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:51:34,032 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:51:34,033 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:51:34,033 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 15:51:34,033 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:51:34,033 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-09-24 15:51:34,033 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:51:34,035 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 191 [2020-09-24 15:51:34,036 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:51:34,041 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:51:34,042 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:51:34,042 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:51:34,042 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:51:34,042 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-24 15:51:34,042 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:51:34,043 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-09-24 15:51:34,043 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:51:34,043 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-09-24 15:51:34,043 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:51:34,043 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-09-24 15:51:34,044 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:51:34,114 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 15:51:34,114 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1596728916] [2020-09-24 15:51:34,115 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-24 15:51:34,116 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2020-09-24 15:51:34,116 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1456749170] [2020-09-24 15:51:34,116 INFO L459 AbstractCegarLoop]: Interpolant automaton has 11 states [2020-09-24 15:51:34,117 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-24 15:51:34,117 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2020-09-24 15:51:34,117 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=22, Invalid=88, Unknown=0, NotChecked=0, Total=110 [2020-09-24 15:51:34,117 INFO L87 Difference]: Start difference. First operand 611 states and 665 transitions. Second operand 11 states. [2020-09-24 15:51:34,672 WARN L193 SmtUtils]: Spent 269.00 ms on a formula simplification that was a NOOP. DAG size: 186 [2020-09-24 15:51:36,482 WARN L193 SmtUtils]: Spent 261.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-09-24 15:51:36,798 WARN L193 SmtUtils]: Spent 261.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-09-24 15:51:37,123 WARN L193 SmtUtils]: Spent 268.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-09-24 15:51:37,421 WARN L193 SmtUtils]: Spent 257.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-09-24 15:51:37,707 WARN L193 SmtUtils]: Spent 256.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-09-24 15:51:38,211 WARN L193 SmtUtils]: Spent 293.00 ms on a formula simplification that was a NOOP. DAG size: 186 [2020-09-24 15:51:38,514 WARN L193 SmtUtils]: Spent 273.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-09-24 15:51:38,832 WARN L193 SmtUtils]: Spent 217.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-09-24 15:51:40,250 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-24 15:51:40,250 INFO L93 Difference]: Finished difference Result 821 states and 969 transitions. [2020-09-24 15:51:40,251 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2020-09-24 15:51:40,251 INFO L78 Accepts]: Start accepts. Automaton has 11 states. Word has length 203 [2020-09-24 15:51:40,252 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-24 15:51:40,259 INFO L225 Difference]: With dead ends: 821 [2020-09-24 15:51:40,259 INFO L226 Difference]: Without dead ends: 818 [2020-09-24 15:51:40,260 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 70 GetRequests, 41 SyntacticMatches, 0 SemanticMatches, 29 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 190 ImplicationChecksByTransitivity, 2.9s TimeCoverageRelationStatistics Valid=261, Invalid=669, Unknown=0, NotChecked=0, Total=930 [2020-09-24 15:51:40,262 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 818 states. [2020-09-24 15:51:40,352 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 818 to 614. [2020-09-24 15:51:40,353 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 614 states. [2020-09-24 15:51:40,357 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 614 states to 614 states and 668 transitions. [2020-09-24 15:51:40,357 INFO L78 Accepts]: Start accepts. Automaton has 614 states and 668 transitions. Word has length 203 [2020-09-24 15:51:40,358 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-24 15:51:40,358 INFO L479 AbstractCegarLoop]: Abstraction has 614 states and 668 transitions. [2020-09-24 15:51:40,358 INFO L480 AbstractCegarLoop]: Interpolant automaton has 11 states. [2020-09-24 15:51:40,358 INFO L276 IsEmpty]: Start isEmpty. Operand 614 states and 668 transitions. [2020-09-24 15:51:40,362 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 227 [2020-09-24 15:51:40,362 INFO L414 BasicCegarLoop]: Found error trace [2020-09-24 15:51:40,363 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, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-09-24 15:51:40,363 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2020-09-24 15:51:40,363 INFO L427 AbstractCegarLoop]: === Iteration 7 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-24 15:51:40,363 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-24 15:51:40,364 INFO L82 PathProgramCache]: Analyzing trace with hash 1652858707, now seen corresponding path program 1 times [2020-09-24 15:51:40,364 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-24 15:51:40,364 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [724642274] [2020-09-24 15:51:40,365 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-24 15:51:40,433 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:51:40,474 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:51:40,474 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:51:40,475 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:51:40,475 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:51:40,475 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 277 [2020-09-24 15:51:40,475 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:51:40,475 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 38 [2020-09-24 15:51:40,476 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:51:40,476 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 13 [2020-09-24 15:51:40,476 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 81 [2020-09-24 15:51:40,476 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 106 [2020-09-24 15:51:40,476 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:51:40,835 WARN L193 SmtUtils]: Spent 248.00 ms on a formula simplification that was a NOOP. DAG size: 184 [2020-09-24 15:51:40,836 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-24 15:51:40,889 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:51:40,892 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:51:40,892 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:51:40,892 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:51:40,892 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:51:40,893 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 85 [2020-09-24 15:51:40,893 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:51:40,893 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-24 15:51:40,893 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:51:40,893 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 15:51:40,894 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:51:40,894 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 77 [2020-09-24 15:51:40,894 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:51:40,941 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2020-09-24 15:51:40,942 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:51:40,944 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:51:40,944 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:51:40,944 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:51:40,945 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:51:40,945 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-24 15:51:40,945 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:51:40,945 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-24 15:51:40,945 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:51:40,945 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 15:51:40,946 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:51:40,946 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-24 15:51:40,946 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:51:40,947 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 86 [2020-09-24 15:51:40,948 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:51:40,949 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:51:40,949 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:51:40,949 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:51:40,949 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:51:40,949 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-24 15:51:40,950 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:51:40,950 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:51:40,950 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:51:40,950 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 15:51:40,950 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:51:40,951 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-24 15:51:40,951 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:51:40,952 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2020-09-24 15:51:40,953 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:51:40,954 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:51:40,954 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:51:40,954 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:51:40,955 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:51:40,955 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-24 15:51:40,955 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:51:40,955 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:51:40,955 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:51:40,956 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 15:51:40,956 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:51:40,956 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-09-24 15:51:40,956 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:51:40,958 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 99 [2020-09-24 15:51:40,959 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:51:40,960 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:51:40,960 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:51:40,960 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:51:40,960 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:51:40,960 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-24 15:51:40,961 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:51:40,961 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:51:40,961 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:51:40,961 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 15:51:40,961 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:51:40,961 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-24 15:51:40,962 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:51:40,969 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 116 [2020-09-24 15:51:40,974 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:51:40,978 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:51:40,979 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:51:40,979 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:51:40,979 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:51:40,979 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-09-24 15:51:40,980 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:51:40,980 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-09-24 15:51:40,980 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:51:40,981 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-09-24 15:51:40,981 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-09-24 15:51:40,981 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 9 [2020-09-24 15:51:40,981 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 15:51:41,073 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 129 [2020-09-24 15:51:41,076 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:51:41,078 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:51:41,079 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:51:41,079 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:51:41,079 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:51:41,079 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-24 15:51:41,080 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:51:41,080 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:51:41,080 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:51:41,080 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 15:51:41,080 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:51:41,080 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-09-24 15:51:41,081 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:51:41,092 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 136 [2020-09-24 15:51:41,099 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:51:41,104 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:51:41,105 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:51:41,105 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:51:41,105 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:51:41,105 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 86 [2020-09-24 15:51:41,105 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:51:41,106 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-09-24 15:51:41,106 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:51:41,106 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-09-24 15:51:41,106 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 34 [2020-09-24 15:51:41,106 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 9 [2020-09-24 15:51:41,107 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:51:41,120 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-24 15:51:41,124 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:51:41,129 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:51:41,130 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:51:41,130 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:51:41,130 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:51:41,130 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 79 [2020-09-24 15:51:41,130 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:51:41,131 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-09-24 15:51:41,131 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:51:41,131 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-09-24 15:51:41,131 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 29 [2020-09-24 15:51:41,131 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 9 [2020-09-24 15:51:41,132 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:51:41,138 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-24 15:51:41,143 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:51:41,149 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:51:41,149 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:51:41,149 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:51:41,150 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:51:41,150 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 72 [2020-09-24 15:51:41,150 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:51:41,150 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-09-24 15:51:41,151 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:51:41,151 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-09-24 15:51:41,151 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 24 [2020-09-24 15:51:41,151 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 9 [2020-09-24 15:51:41,151 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:51:41,213 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-24 15:51:41,216 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:51:41,222 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:51:41,222 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:51:41,222 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:51:41,222 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:51:41,223 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 27 [2020-09-24 15:51:41,223 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:51:41,223 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-09-24 15:51:41,223 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:51:41,223 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-09-24 15:51:41,224 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:51:41,224 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 22 [2020-09-24 15:51:41,224 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:51:41,287 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-24 15:51:41,288 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:51:41,290 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:51:41,290 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:51:41,291 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:51:41,291 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:51:41,292 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-09-24 15:51:41,292 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:51:41,292 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-24 15:51:41,293 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:51:41,293 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:51:41,293 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:51:41,294 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:51:41,294 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 15:51:41,297 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2020-09-24 15:51:41,300 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:51:41,301 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:51:41,302 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:51:41,302 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:51:41,303 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:51:41,303 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 37 [2020-09-24 15:51:41,303 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:51:41,304 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:51:41,304 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:51:41,304 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:51:41,305 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 34 [2020-09-24 15:51:41,305 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:51:41,305 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 15:51:41,309 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-09-24 15:51:41,310 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:51:41,311 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:51:41,311 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:51:41,312 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:51:41,312 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:51:41,313 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 21 [2020-09-24 15:51:41,313 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:51:41,313 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:51:41,314 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:51:41,314 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:51:41,315 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:51:41,315 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:51:41,315 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 15:51:41,318 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-09-24 15:51:41,318 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:51:41,319 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:51:41,319 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:51:41,319 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:51:41,320 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:51:41,320 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-24 15:51:41,320 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:51:41,320 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:51:41,321 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:51:41,321 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:51:41,321 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:51:41,321 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:51:41,322 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:51:41,324 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2020-09-24 15:51:41,325 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:51:41,328 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:51:41,328 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:51:41,329 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:51:41,329 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:51:41,330 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-24 15:51:41,330 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:51:41,330 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-24 15:51:41,330 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:51:41,331 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:51:41,331 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:51:41,331 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:51:41,332 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 15:51:41,352 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 204 [2020-09-24 15:51:41,353 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:51:41,356 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:51:41,357 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:51:41,357 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:51:41,357 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:51:41,357 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-24 15:51:41,357 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:51:41,358 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-24 15:51:41,358 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:51:41,358 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:51:41,358 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-09-24 15:51:41,358 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:51:41,359 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:51:41,360 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 214 [2020-09-24 15:51:41,363 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:51:41,364 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:51:41,364 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:51:41,365 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:51:41,365 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:51:41,365 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-24 15:51:41,365 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:51:41,366 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:51:41,367 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:51:41,367 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:51:41,367 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-09-24 15:51:41,367 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:51:41,368 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 15:51:41,461 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 15:51:41,461 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [724642274] [2020-09-24 15:51:41,461 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-24 15:51:41,462 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [15] imperfect sequences [] total 15 [2020-09-24 15:51:41,466 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1838469714] [2020-09-24 15:51:41,467 INFO L459 AbstractCegarLoop]: Interpolant automaton has 15 states [2020-09-24 15:51:41,467 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-24 15:51:41,467 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2020-09-24 15:51:41,468 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=34, Invalid=176, Unknown=0, NotChecked=0, Total=210 [2020-09-24 15:51:41,468 INFO L87 Difference]: Start difference. First operand 614 states and 668 transitions. Second operand 15 states. [2020-09-24 15:51:41,924 WARN L193 SmtUtils]: Spent 198.00 ms on a formula simplification that was a NOOP. DAG size: 186 [2020-09-24 15:51:42,748 WARN L193 SmtUtils]: Spent 270.00 ms on a formula simplification that was a NOOP. DAG size: 186 [2020-09-24 15:51:43,743 WARN L193 SmtUtils]: Spent 266.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-09-24 15:51:44,079 WARN L193 SmtUtils]: Spent 287.00 ms on a formula simplification that was a NOOP. DAG size: 193 [2020-09-24 15:51:44,411 WARN L193 SmtUtils]: Spent 297.00 ms on a formula simplification that was a NOOP. DAG size: 196 [2020-09-24 15:51:44,759 WARN L193 SmtUtils]: Spent 271.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-09-24 15:51:45,065 WARN L193 SmtUtils]: Spent 265.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-09-24 15:51:45,398 WARN L193 SmtUtils]: Spent 290.00 ms on a formula simplification that was a NOOP. DAG size: 193 [2020-09-24 15:51:45,712 WARN L193 SmtUtils]: Spent 285.00 ms on a formula simplification that was a NOOP. DAG size: 194 [2020-09-24 15:51:46,038 WARN L193 SmtUtils]: Spent 296.00 ms on a formula simplification that was a NOOP. DAG size: 196 [2020-09-24 15:51:46,339 WARN L193 SmtUtils]: Spent 270.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-24 15:51:46,677 WARN L193 SmtUtils]: Spent 268.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-09-24 15:51:47,073 WARN L193 SmtUtils]: Spent 304.00 ms on a formula simplification that was a NOOP. DAG size: 195 [2020-09-24 15:51:47,423 WARN L193 SmtUtils]: Spent 286.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-09-24 15:51:50,544 WARN L193 SmtUtils]: Spent 270.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-09-24 15:51:50,908 WARN L193 SmtUtils]: Spent 335.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-24 15:51:51,242 WARN L193 SmtUtils]: Spent 307.00 ms on a formula simplification that was a NOOP. DAG size: 194 [2020-09-24 15:51:51,559 WARN L193 SmtUtils]: Spent 273.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-09-24 15:51:51,892 WARN L193 SmtUtils]: Spent 291.00 ms on a formula simplification that was a NOOP. DAG size: 193 [2020-09-24 15:51:52,207 WARN L193 SmtUtils]: Spent 282.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-09-24 15:51:52,777 WARN L193 SmtUtils]: Spent 527.00 ms on a formula simplification. DAG size of input: 190 DAG size of output: 187 [2020-09-24 15:51:54,652 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-24 15:51:54,652 INFO L93 Difference]: Finished difference Result 1726 states and 2057 transitions. [2020-09-24 15:51:54,653 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 45 states. [2020-09-24 15:51:54,653 INFO L78 Accepts]: Start accepts. Automaton has 15 states. Word has length 226 [2020-09-24 15:51:54,653 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-24 15:51:54,660 INFO L225 Difference]: With dead ends: 1726 [2020-09-24 15:51:54,660 INFO L226 Difference]: Without dead ends: 1222 [2020-09-24 15:51:54,664 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 99 GetRequests, 48 SyntacticMatches, 0 SemanticMatches, 51 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 736 ImplicationChecksByTransitivity, 7.4s TimeCoverageRelationStatistics Valid=610, Invalid=2146, Unknown=0, NotChecked=0, Total=2756 [2020-09-24 15:51:54,666 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1222 states. [2020-09-24 15:51:54,785 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1222 to 967. [2020-09-24 15:51:54,785 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 967 states. [2020-09-24 15:51:54,789 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 967 states to 967 states and 1060 transitions. [2020-09-24 15:51:54,789 INFO L78 Accepts]: Start accepts. Automaton has 967 states and 1060 transitions. Word has length 226 [2020-09-24 15:51:54,790 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-24 15:51:54,790 INFO L479 AbstractCegarLoop]: Abstraction has 967 states and 1060 transitions. [2020-09-24 15:51:54,790 INFO L480 AbstractCegarLoop]: Interpolant automaton has 15 states. [2020-09-24 15:51:54,790 INFO L276 IsEmpty]: Start isEmpty. Operand 967 states and 1060 transitions. [2020-09-24 15:51:54,794 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 227 [2020-09-24 15:51:54,794 INFO L414 BasicCegarLoop]: Found error trace [2020-09-24 15:51:54,794 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, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-09-24 15:51:54,794 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2020-09-24 15:51:54,795 INFO L427 AbstractCegarLoop]: === Iteration 8 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-24 15:51:54,795 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-24 15:51:54,795 INFO L82 PathProgramCache]: Analyzing trace with hash 1943587734, now seen corresponding path program 1 times [2020-09-24 15:51:54,795 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-24 15:51:54,796 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1459704919] [2020-09-24 15:51:54,796 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-24 15:51:54,853 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:51:54,860 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:51:54,860 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:51:54,861 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:51:54,861 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:51:54,861 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 277 [2020-09-24 15:51:54,861 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:51:54,861 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-09-24 15:51:54,862 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:51:54,862 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-09-24 15:51:54,862 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 186 [2020-09-24 15:51:54,862 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 75 [2020-09-24 15:51:54,862 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:51:55,172 WARN L193 SmtUtils]: Spent 214.00 ms on a formula simplification that was a NOOP. DAG size: 184 [2020-09-24 15:51:55,173 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-24 15:51:55,182 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:51:55,183 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:51:55,183 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:51:55,184 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:51:55,184 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:51:55,184 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 85 [2020-09-24 15:51:55,184 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:51:55,184 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:51:55,185 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:51:55,185 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:51:55,185 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:51:55,185 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:51:55,185 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:51:55,216 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2020-09-24 15:51:55,217 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:51:55,218 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:51:55,218 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:51:55,218 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:51:55,218 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:51:55,218 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-24 15:51:55,219 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:51:55,219 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:51:55,219 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:51:55,219 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:51:55,219 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:51:55,220 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:51:55,220 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:51:55,221 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 86 [2020-09-24 15:51:55,221 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:51:55,222 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:51:55,222 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:51:55,222 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:51:55,223 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:51:55,223 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-24 15:51:55,223 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:51:55,223 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:51:55,223 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:51:55,224 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:51:55,224 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:51:55,224 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:51:55,224 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:51:55,225 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2020-09-24 15:51:55,226 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:51:55,227 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:51:55,227 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:51:55,227 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:51:55,227 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:51:55,227 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-24 15:51:55,228 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:51:55,228 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:51:55,228 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:51:55,228 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:51:55,228 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:51:55,229 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:51:55,229 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:51:55,230 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 99 [2020-09-24 15:51:55,231 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:51:55,232 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:51:55,232 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:51:55,232 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:51:55,232 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:51:55,232 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-24 15:51:55,233 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:51:55,233 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:51:55,233 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:51:55,233 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:51:55,233 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:51:55,234 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:51:55,234 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:51:55,251 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 116 [2020-09-24 15:51:55,252 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:51:55,253 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:51:55,253 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:51:55,253 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:51:55,253 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:51:55,253 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-09-24 15:51:55,254 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:51:55,254 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:51:55,254 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:51:55,254 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:51:55,254 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:51:55,254 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:51:55,255 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:51:55,266 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 129 [2020-09-24 15:51:55,267 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:51:55,268 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:51:55,268 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:51:55,268 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:51:55,268 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:51:55,268 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-24 15:51:55,269 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:51:55,269 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:51:55,269 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:51:55,269 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:51:55,269 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:51:55,269 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:51:55,270 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:51:55,282 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 136 [2020-09-24 15:51:55,287 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:51:55,290 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:51:55,291 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:51:55,291 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:51:55,291 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:51:55,292 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 86 [2020-09-24 15:51:55,292 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:51:55,292 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-24 15:51:55,292 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:51:55,292 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 15:51:55,292 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:51:55,293 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 24 [2020-09-24 15:51:55,293 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:51:55,311 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-24 15:51:55,316 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:51:55,320 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:51:55,321 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:51:55,321 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:51:55,321 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:51:55,322 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 79 [2020-09-24 15:51:55,322 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:51:55,322 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-24 15:51:55,323 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:51:55,323 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 15:51:55,323 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:51:55,324 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 19 [2020-09-24 15:51:55,324 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 15:51:55,336 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-24 15:51:55,341 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:51:55,343 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:51:55,344 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:51:55,344 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:51:55,344 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:51:55,345 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 72 [2020-09-24 15:51:55,345 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:51:55,345 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-24 15:51:55,346 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:51:55,346 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 15:51:55,346 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:51:55,347 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 14 [2020-09-24 15:51:55,347 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 15:51:55,362 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-24 15:51:55,364 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:51:55,366 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:51:55,367 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:51:55,367 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:51:55,367 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:51:55,368 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 27 [2020-09-24 15:51:55,368 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:51:55,368 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-24 15:51:55,370 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:51:55,370 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 15:51:55,370 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:51:55,371 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 9 [2020-09-24 15:51:55,371 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 2 [2020-09-24 15:51:55,385 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-24 15:51:55,386 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:51:55,388 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:51:55,388 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:51:55,389 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:51:55,389 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:51:55,390 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-09-24 15:51:55,390 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:51:55,390 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-24 15:51:55,391 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:51:55,391 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 15:51:55,392 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:51:55,392 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 3 [2020-09-24 15:51:55,392 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 15:51:55,399 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2020-09-24 15:51:55,403 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:51:55,407 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:51:55,407 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:51:55,408 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:51:55,408 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:51:55,408 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 37 [2020-09-24 15:51:55,409 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:51:55,409 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-09-24 15:51:55,410 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:51:55,410 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 15:51:55,410 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:51:55,411 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 33 [2020-09-24 15:51:55,411 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 15:51:55,421 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-09-24 15:51:55,422 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:51:55,423 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:51:55,424 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:51:55,424 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:51:55,425 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:51:55,425 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 21 [2020-09-24 15:51:55,425 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:51:55,426 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-24 15:51:55,426 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:51:55,426 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:51:55,427 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:51:55,427 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:51:55,428 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 15:51:55,430 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-09-24 15:51:55,431 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:51:55,431 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:51:55,432 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:51:55,432 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:51:55,432 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:51:55,433 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-24 15:51:55,433 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:51:55,433 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:51:55,433 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:51:55,434 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:51:55,434 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:51:55,434 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:51:55,434 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 15:51:55,438 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2020-09-24 15:51:55,439 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:51:55,440 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:51:55,440 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:51:55,440 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:51:55,441 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:51:55,441 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-24 15:51:55,442 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:51:55,442 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:51:55,442 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:51:55,443 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:51:55,443 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:51:55,444 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:51:55,444 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 15:51:55,463 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 204 [2020-09-24 15:51:55,465 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:51:55,475 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:51:55,476 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:51:55,476 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:51:55,476 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:51:55,477 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-24 15:51:55,477 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:51:55,477 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 11 [2020-09-24 15:51:55,478 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:51:55,478 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-09-24 15:51:55,478 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:51:55,479 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-09-24 15:51:55,479 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 15:51:55,517 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 214 [2020-09-24 15:51:55,519 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:51:55,520 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:51:55,521 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:51:55,521 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:51:55,522 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:51:55,522 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-24 15:51:55,522 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:51:55,523 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-24 15:51:55,523 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:51:55,523 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:51:55,524 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-09-24 15:51:55,524 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:51:55,524 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 15:51:55,619 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 15:51:55,620 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1459704919] [2020-09-24 15:51:55,620 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-24 15:51:55,621 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2020-09-24 15:51:55,621 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [949205069] [2020-09-24 15:51:55,622 INFO L459 AbstractCegarLoop]: Interpolant automaton has 11 states [2020-09-24 15:51:55,623 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-24 15:51:55,623 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2020-09-24 15:51:55,623 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=22, Invalid=88, Unknown=0, NotChecked=0, Total=110 [2020-09-24 15:51:55,624 INFO L87 Difference]: Start difference. First operand 967 states and 1060 transitions. Second operand 11 states. [2020-09-24 15:51:57,082 WARN L193 SmtUtils]: Spent 269.00 ms on a formula simplification that was a NOOP. DAG size: 186 [2020-09-24 15:51:58,046 WARN L193 SmtUtils]: Spent 280.00 ms on a formula simplification that was a NOOP. DAG size: 186 [2020-09-24 15:51:58,357 WARN L193 SmtUtils]: Spent 269.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-09-24 15:51:58,756 WARN L193 SmtUtils]: Spent 272.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-09-24 15:51:59,089 WARN L193 SmtUtils]: Spent 282.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-09-24 15:51:59,410 WARN L193 SmtUtils]: Spent 255.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-09-24 15:51:59,735 WARN L193 SmtUtils]: Spent 268.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-09-24 15:52:00,102 WARN L193 SmtUtils]: Spent 281.00 ms on a formula simplification that was a NOOP. DAG size: 193 [2020-09-24 15:52:00,430 WARN L193 SmtUtils]: Spent 279.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-09-24 15:52:03,378 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-24 15:52:03,378 INFO L93 Difference]: Finished difference Result 1992 states and 2363 transitions. [2020-09-24 15:52:03,379 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2020-09-24 15:52:03,379 INFO L78 Accepts]: Start accepts. Automaton has 11 states. Word has length 226 [2020-09-24 15:52:03,380 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-24 15:52:03,387 INFO L225 Difference]: With dead ends: 1992 [2020-09-24 15:52:03,388 INFO L226 Difference]: Without dead ends: 1327 [2020-09-24 15:52:03,390 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 76 GetRequests, 43 SyntacticMatches, 5 SemanticMatches, 28 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 150 ImplicationChecksByTransitivity, 3.1s TimeCoverageRelationStatistics Valid=248, Invalid=622, Unknown=0, NotChecked=0, Total=870 [2020-09-24 15:52:03,392 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1327 states. [2020-09-24 15:52:03,529 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1327 to 947. [2020-09-24 15:52:03,529 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 947 states. [2020-09-24 15:52:03,535 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 947 states to 947 states and 1037 transitions. [2020-09-24 15:52:03,535 INFO L78 Accepts]: Start accepts. Automaton has 947 states and 1037 transitions. Word has length 226 [2020-09-24 15:52:03,536 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-24 15:52:03,536 INFO L479 AbstractCegarLoop]: Abstraction has 947 states and 1037 transitions. [2020-09-24 15:52:03,536 INFO L480 AbstractCegarLoop]: Interpolant automaton has 11 states. [2020-09-24 15:52:03,537 INFO L276 IsEmpty]: Start isEmpty. Operand 947 states and 1037 transitions. [2020-09-24 15:52:03,548 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 329 [2020-09-24 15:52:03,549 INFO L414 BasicCegarLoop]: Found error trace [2020-09-24 15:52:03,550 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 15:52:03,550 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2020-09-24 15:52:03,550 INFO L427 AbstractCegarLoop]: === Iteration 9 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-24 15:52:03,551 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-24 15:52:03,551 INFO L82 PathProgramCache]: Analyzing trace with hash 206244157, now seen corresponding path program 1 times [2020-09-24 15:52:03,551 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-24 15:52:03,552 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1285857763] [2020-09-24 15:52:03,552 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-24 15:52:03,647 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:52:03,676 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:52:03,676 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:52:03,676 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:52:03,677 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:52:03,677 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 405 [2020-09-24 15:52:03,677 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:52:03,677 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 14 [2020-09-24 15:52:03,677 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:52:03,678 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 11 [2020-09-24 15:52:03,678 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 186 [2020-09-24 15:52:03,678 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 203 [2020-09-24 15:52:03,678 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:52:04,024 WARN L193 SmtUtils]: Spent 229.00 ms on a formula simplification that was a NOOP. DAG size: 184 [2020-09-24 15:52:04,025 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-24 15:52:04,033 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:52:04,034 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:52:04,034 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:52:04,034 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:52:04,035 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:52:04,035 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 85 [2020-09-24 15:52:04,035 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:52:04,035 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:52:04,035 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:52:04,035 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:52:04,036 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:52:04,036 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:52:04,036 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:52:04,069 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2020-09-24 15:52:04,070 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:52:04,071 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:52:04,071 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:52:04,071 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:52:04,072 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:52:04,072 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-24 15:52:04,072 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:52:04,072 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:52:04,072 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:52:04,073 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:52:04,073 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:52:04,073 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:52:04,073 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:52:04,074 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 86 [2020-09-24 15:52:04,075 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:52:04,075 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:52:04,076 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:52:04,076 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:52:04,076 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:52:04,076 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-24 15:52:04,076 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:52:04,077 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:52:04,077 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:52:04,077 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:52:04,077 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:52:04,077 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:52:04,077 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:52:04,078 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2020-09-24 15:52:04,079 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:52:04,079 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:52:04,080 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:52:04,080 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:52:04,080 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:52:04,080 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-24 15:52:04,080 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:52:04,081 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-09-24 15:52:04,081 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:52:04,081 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:52:04,081 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:52:04,081 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:52:04,082 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:52:04,083 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 99 [2020-09-24 15:52:04,083 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:52:04,084 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:52:04,084 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:52:04,085 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:52:04,085 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:52:04,085 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-24 15:52:04,085 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:52:04,085 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:52:04,086 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:52:04,086 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:52:04,086 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:52:04,086 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:52:04,086 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:52:04,104 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 116 [2020-09-24 15:52:04,104 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:52:04,105 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:52:04,105 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:52:04,106 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:52:04,106 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:52:04,106 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-09-24 15:52:04,106 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:52:04,106 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-09-24 15:52:04,106 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:52:04,107 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:52:04,107 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:52:04,107 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:52:04,107 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:52:04,117 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 129 [2020-09-24 15:52:04,118 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:52:04,118 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:52:04,119 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:52:04,119 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:52:04,119 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:52:04,119 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-24 15:52:04,119 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:52:04,120 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-09-24 15:52:04,120 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:52:04,120 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:52:04,120 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:52:04,120 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:52:04,120 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:52:04,140 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 133 [2020-09-24 15:52:04,146 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:52:04,149 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:52:04,149 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:52:04,149 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:52:04,150 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:52:04,150 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 112 [2020-09-24 15:52:04,150 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:52:04,151 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-24 15:52:04,151 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:52:04,151 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 15:52:04,152 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:52:04,152 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 29 [2020-09-24 15:52:04,152 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 15:52:04,183 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-24 15:52:04,191 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:52:04,194 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:52:04,194 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:52:04,195 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:52:04,195 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:52:04,195 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 86 [2020-09-24 15:52:04,196 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:52:04,196 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-24 15:52:04,196 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:52:04,197 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 15:52:04,197 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:52:04,197 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 24 [2020-09-24 15:52:04,198 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 15:52:04,216 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-24 15:52:04,222 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:52:04,224 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:52:04,225 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:52:04,225 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:52:04,225 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:52:04,226 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 79 [2020-09-24 15:52:04,226 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:52:04,226 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-24 15:52:04,227 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:52:04,227 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 15:52:04,227 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:52:04,228 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 19 [2020-09-24 15:52:04,228 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 15:52:04,242 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-24 15:52:04,247 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:52:04,250 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:52:04,250 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:52:04,250 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:52:04,251 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:52:04,251 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 72 [2020-09-24 15:52:04,252 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:52:04,252 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-24 15:52:04,252 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:52:04,253 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 15:52:04,253 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:52:04,253 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 14 [2020-09-24 15:52:04,254 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 15:52:04,273 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-24 15:52:04,275 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:52:04,277 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:52:04,278 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:52:04,278 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:52:04,278 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:52:04,279 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 27 [2020-09-24 15:52:04,279 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:52:04,280 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-24 15:52:04,280 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:52:04,280 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 15:52:04,281 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:52:04,281 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 9 [2020-09-24 15:52:04,282 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 15:52:04,293 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-24 15:52:04,295 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:52:04,296 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:52:04,296 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:52:04,297 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:52:04,297 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:52:04,298 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-09-24 15:52:04,298 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:52:04,298 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-24 15:52:04,299 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:52:04,299 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 15:52:04,300 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:52:04,300 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 3 [2020-09-24 15:52:04,300 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 15:52:04,308 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2020-09-24 15:52:04,311 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:52:04,313 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:52:04,313 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:52:04,314 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:52:04,314 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:52:04,314 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 37 [2020-09-24 15:52:04,315 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:52:04,315 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-24 15:52:04,315 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:52:04,315 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 15:52:04,316 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:52:04,316 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 33 [2020-09-24 15:52:04,316 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:52:04,321 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-09-24 15:52:04,322 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:52:04,323 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:52:04,324 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:52:04,324 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:52:04,325 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:52:04,325 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 21 [2020-09-24 15:52:04,325 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:52:04,326 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-24 15:52:04,326 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:52:04,327 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:52:04,327 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:52:04,327 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:52:04,328 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 15:52:04,330 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-09-24 15:52:04,331 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:52:04,340 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:52:04,340 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:52:04,341 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:52:04,341 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:52:04,342 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-24 15:52:04,342 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:52:04,343 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 9 [2020-09-24 15:52:04,343 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:52:04,343 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:52:04,344 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:52:04,344 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:52:04,345 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 15:52:04,347 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2020-09-24 15:52:04,348 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:52:04,351 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:52:04,352 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:52:04,352 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:52:04,352 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:52:04,353 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-24 15:52:04,353 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:52:04,354 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:52:04,354 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:52:04,355 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:52:04,355 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:52:04,355 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:52:04,356 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 15:52:04,374 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 67 [2020-09-24 15:52:04,376 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:52:04,379 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:52:04,380 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:52:04,380 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:52:04,380 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:52:04,381 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 22 [2020-09-24 15:52:04,381 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:52:04,381 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-24 15:52:04,382 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:52:04,382 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 15:52:04,382 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:52:04,382 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 18 [2020-09-24 15:52:04,383 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 15:52:04,385 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-24 15:52:04,386 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:52:04,389 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:52:04,389 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:52:04,389 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:52:04,389 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:52:04,390 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-24 15:52:04,390 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:52:04,390 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-24 15:52:04,390 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:52:04,390 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:52:04,391 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:52:04,391 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:52:04,391 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:52:04,404 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 232 [2020-09-24 15:52:04,414 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:52:04,415 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:52:04,416 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:52:04,416 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:52:04,416 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:52:04,416 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-24 15:52:04,418 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:52:04,418 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:52:04,418 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:52:04,419 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 15:52:04,419 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:52:04,419 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-09-24 15:52:04,420 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 15:52:04,422 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 238 [2020-09-24 15:52:04,424 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:52:04,430 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:52:04,431 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:52:04,431 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:52:04,432 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:52:04,432 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-09-24 15:52:04,432 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:52:04,432 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-09-24 15:52:04,433 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:52:04,433 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-09-24 15:52:04,433 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-09-24 15:52:04,434 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 9 [2020-09-24 15:52:04,434 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 15:52:04,476 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 244 [2020-09-24 15:52:04,483 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:52:04,487 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:52:04,488 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:52:04,488 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:52:04,488 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:52:04,489 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 78 [2020-09-24 15:52:04,489 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:52:04,489 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-09-24 15:52:04,490 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:52:04,490 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 15:52:04,490 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:52:04,491 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 74 [2020-09-24 15:52:04,491 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 15:52:04,498 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-24 15:52:04,499 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:52:04,500 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:52:04,501 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:52:04,501 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:52:04,501 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:52:04,502 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 21 [2020-09-24 15:52:04,502 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:52:04,502 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:52:04,502 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:52:04,503 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:52:04,503 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:52:04,503 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:52:04,504 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 15:52:04,507 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-09-24 15:52:04,508 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:52:04,509 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:52:04,509 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:52:04,509 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:52:04,510 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:52:04,510 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-24 15:52:04,510 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:52:04,511 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:52:04,511 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:52:04,511 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:52:04,512 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:52:04,512 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:52:04,512 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 15:52:04,514 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2020-09-24 15:52:04,525 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:52:04,526 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:52:04,527 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:52:04,527 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:52:04,527 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:52:04,528 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 49 [2020-09-24 15:52:04,528 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:52:04,528 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:52:04,529 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:52:04,529 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:52:04,529 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:52:04,530 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:52:04,530 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 15:52:04,535 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-24 15:52:04,536 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:52:04,537 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:52:04,537 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:52:04,538 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:52:04,538 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:52:04,538 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 26 [2020-09-24 15:52:04,539 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:52:04,539 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:52:04,539 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:52:04,540 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:52:04,540 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:52:04,540 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:52:04,541 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 15:52:04,546 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-24 15:52:04,547 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:52:04,548 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:52:04,548 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:52:04,548 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:52:04,548 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:52:04,549 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-24 15:52:04,549 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:52:04,549 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:52:04,549 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:52:04,550 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:52:04,550 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:52:04,550 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:52:04,550 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:52:04,552 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2020-09-24 15:52:04,553 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:52:04,554 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:52:04,554 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:52:04,554 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:52:04,555 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:52:04,555 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 15 [2020-09-24 15:52:04,555 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:52:04,555 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:52:04,556 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:52:04,556 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:52:04,556 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:52:04,556 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:52:04,556 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:52:04,558 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-24 15:52:04,558 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:52:04,559 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:52:04,559 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:52:04,559 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:52:04,560 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:52:04,560 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-24 15:52:04,560 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:52:04,560 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-09-24 15:52:04,560 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:52:04,561 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:52:04,561 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:52:04,561 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:52:04,561 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:52:04,565 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 306 [2020-09-24 15:52:04,566 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:52:04,569 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:52:04,569 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:52:04,570 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:52:04,570 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:52:04,570 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-24 15:52:04,570 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:52:04,570 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-24 15:52:04,571 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:52:04,571 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-09-24 15:52:04,571 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:52:04,571 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-09-24 15:52:04,571 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:52:04,603 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 316 [2020-09-24 15:52:04,604 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:52:04,605 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:52:04,605 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:52:04,605 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:52:04,605 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:52:04,605 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-24 15:52:04,606 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:52:04,606 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:52:04,606 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:52:04,606 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:52:04,606 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-09-24 15:52:04,606 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:52:04,607 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:52:04,755 INFO L134 CoverageAnalysis]: Checked inductivity of 60 backedges. 28 proven. 8 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2020-09-24 15:52:04,756 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1285857763] [2020-09-24 15:52:04,756 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-09-24 15:52:04,756 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [14] total 14 [2020-09-24 15:52:04,756 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2034965338] [2020-09-24 15:52:04,757 INFO L459 AbstractCegarLoop]: Interpolant automaton has 14 states [2020-09-24 15:52:04,757 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-24 15:52:04,758 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2020-09-24 15:52:04,760 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=35, Invalid=147, Unknown=0, NotChecked=0, Total=182 [2020-09-24 15:52:04,761 INFO L87 Difference]: Start difference. First operand 947 states and 1037 transitions. Second operand 14 states. [2020-09-24 15:52:05,326 WARN L193 SmtUtils]: Spent 270.00 ms on a formula simplification that was a NOOP. DAG size: 186 [2020-09-24 15:52:06,037 WARN L193 SmtUtils]: Spent 208.00 ms on a formula simplification that was a NOOP. DAG size: 186