/usr/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata ./data -tc ../../../trunk/examples/toolchains/AutomizerC.xml --traceabstraction.trace.refinement.strategy FIXED_PREFERENCES --traceabstraction.compute.interpolants.along.a.counterexample Craig_NestedInterpolation --traceabstraction.smt.solver Internal_SMTInterpol --traceabstraction.compute.trace.for.counterexample.result false --rcfgbuilder.size.of.a.code.block SingleStatement --traceabstraction.use.minimal.unsat.core.enumeration true --traceabstraction.additional.smt.options produce-proofs=true --traceabstraction.additional.smt.options produce-unsat-cores=true --traceabstraction.additional.smt.options enumeration-timeout=5000 --traceabstraction.additional.smt.options interpolation-heuristic=WIDEST --traceabstraction.additional.smt.options log-additional-information=true -s ../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf -i ../../../trunk/examples/svcomp/product-lines/minepump_spec5_product59.cil.c -------------------------------------------------------------------------------- This is Ultimate 0.1.25-c90d42b [2020-09-25 03:06:00,086 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-09-25 03:06:00,091 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-09-25 03:06:00,137 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-09-25 03:06:00,138 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-09-25 03:06:00,146 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-09-25 03:06:00,149 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-09-25 03:06:00,153 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-09-25 03:06:00,156 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-09-25 03:06:00,159 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-09-25 03:06:00,160 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-09-25 03:06:00,161 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-09-25 03:06:00,161 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-09-25 03:06:00,165 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-09-25 03:06:00,167 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-09-25 03:06:00,169 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-09-25 03:06:00,171 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-09-25 03:06:00,172 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-09-25 03:06:00,174 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-09-25 03:06:00,181 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-09-25 03:06:00,182 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-09-25 03:06:00,183 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-09-25 03:06:00,185 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-09-25 03:06:00,186 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-09-25 03:06:00,188 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-09-25 03:06:00,188 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-09-25 03:06:00,188 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-09-25 03:06:00,190 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-09-25 03:06:00,190 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-09-25 03:06:00,191 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-09-25 03:06:00,191 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-09-25 03:06:00,192 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-09-25 03:06:00,193 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-09-25 03:06:00,194 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-09-25 03:06:00,195 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-09-25 03:06:00,196 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-09-25 03:06:00,197 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-09-25 03:06:00,197 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-09-25 03:06:00,197 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-09-25 03:06:00,198 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-09-25 03:06:00,199 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-09-25 03:06:00,202 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf [2020-09-25 03:06:00,229 INFO L113 SettingsManager]: Loading preferences was successful [2020-09-25 03:06:00,229 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-09-25 03:06:00,231 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-09-25 03:06:00,231 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-09-25 03:06:00,231 INFO L138 SettingsManager]: * Use SBE=true [2020-09-25 03:06:00,231 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-09-25 03:06:00,231 INFO L138 SettingsManager]: * sizeof long=4 [2020-09-25 03:06:00,232 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-09-25 03:06:00,232 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-09-25 03:06:00,232 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-09-25 03:06:00,232 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-09-25 03:06:00,232 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-09-25 03:06:00,233 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-09-25 03:06:00,233 INFO L138 SettingsManager]: * sizeof long double=12 [2020-09-25 03:06:00,233 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-09-25 03:06:00,233 INFO L138 SettingsManager]: * Use constant arrays=true [2020-09-25 03:06:00,234 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-09-25 03:06:00,234 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-09-25 03:06:00,234 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-09-25 03:06:00,234 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-09-25 03:06:00,234 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-09-25 03:06:00,235 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-09-25 03:06:00,235 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-09-25 03:06:00,235 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-09-25 03:06:00,235 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-09-25 03:06:00,236 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-09-25 03:06:00,236 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-09-25 03:06:00,236 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-09-25 03:06:00,236 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-09-25 03:06:00,236 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Trace refinement strategy -> FIXED_PREFERENCES Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute Interpolants along a Counterexample -> Craig_NestedInterpolation Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: SMT solver -> Internal_SMTInterpol Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute trace for counterexample result -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder: Size of a code block -> SingleStatement Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Use minimal unsat core enumeration -> true Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=5000;interpolation-heuristic=WIDEST;log-additional-information=true; Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=5000;interpolation-heuristic=WIDEST;log-additional-information=true; Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=5000;interpolation-heuristic=WIDEST;log-additional-information=true; Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=5000;interpolation-heuristic=WIDEST;log-additional-information=true; Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=5000;interpolation-heuristic=WIDEST;log-additional-information=true; [2020-09-25 03:06:00,728 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-09-25 03:06:00,746 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-09-25 03:06:00,751 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-09-25 03:06:00,753 INFO L271 PluginConnector]: Initializing CDTParser... [2020-09-25 03:06:00,753 INFO L275 PluginConnector]: CDTParser initialized [2020-09-25 03:06:00,754 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/product-lines/minepump_spec5_product59.cil.c [2020-09-25 03:06:00,840 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/dd4829439/1618fe30c57e4396a7061c9509c9e8b1/FLAGc4138dbe2 [2020-09-25 03:06:01,480 INFO L306 CDTParser]: Found 1 translation units. [2020-09-25 03:06:01,481 INFO L160 CDTParser]: Scanning /storage/repos/ultimate-2/trunk/examples/svcomp/product-lines/minepump_spec5_product59.cil.c [2020-09-25 03:06:01,511 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/dd4829439/1618fe30c57e4396a7061c9509c9e8b1/FLAGc4138dbe2 [2020-09-25 03:06:01,674 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/dd4829439/1618fe30c57e4396a7061c9509c9e8b1 [2020-09-25 03:06:01,690 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-09-25 03:06:01,696 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-09-25 03:06:01,697 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-09-25 03:06:01,698 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-09-25 03:06:01,702 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-09-25 03:06:01,703 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.09 03:06:01" (1/1) ... [2020-09-25 03:06:01,708 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@28d6e00c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 03:06:01, skipping insertion in model container [2020-09-25 03:06:01,708 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.09 03:06:01" (1/1) ... [2020-09-25 03:06:01,717 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-09-25 03:06:01,790 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-09-25 03:06:02,213 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-09-25 03:06:02,325 INFO L203 MainTranslator]: Completed pre-run [2020-09-25 03:06:02,490 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-09-25 03:06:02,532 INFO L208 MainTranslator]: Completed translation [2020-09-25 03:06:02,532 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 03:06:02 WrapperNode [2020-09-25 03:06:02,533 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-09-25 03:06:02,534 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-09-25 03:06:02,534 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-09-25 03:06:02,534 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-09-25 03:06:02,551 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 03:06:02" (1/1) ... [2020-09-25 03:06:02,552 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 03:06:02" (1/1) ... [2020-09-25 03:06:02,572 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 03:06:02" (1/1) ... [2020-09-25 03:06:02,572 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 03:06:02" (1/1) ... [2020-09-25 03:06:02,604 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 03:06:02" (1/1) ... [2020-09-25 03:06:02,615 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 03:06:02" (1/1) ... [2020-09-25 03:06:02,621 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 03:06:02" (1/1) ... [2020-09-25 03:06:02,629 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-09-25 03:06:02,630 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-09-25 03:06:02,630 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-09-25 03:06:02,630 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-09-25 03:06:02,639 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 03:06:02" (1/1) ... No working directory specified, using /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-09-25 03:06:02,714 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-09-25 03:06:02,715 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-09-25 03:06:02,715 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~X~int~TO~int [2020-09-25 03:06:02,715 INFO L138 BoogieDeclarations]: Found implementation of procedure lowerWaterLevel [2020-09-25 03:06:02,715 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2020-09-25 03:06:02,716 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2020-09-25 03:06:02,716 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2020-09-25 03:06:02,716 INFO L138 BoogieDeclarations]: Found implementation of procedure printEnvironment [2020-09-25 03:06:02,716 INFO L138 BoogieDeclarations]: Found implementation of procedure getWaterLevel [2020-09-25 03:06:02,716 INFO L138 BoogieDeclarations]: Found implementation of procedure isHighWaterSensorDry [2020-09-25 03:06:02,717 INFO L138 BoogieDeclarations]: Found implementation of procedure isLowWaterSensorDry [2020-09-25 03:06:02,717 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2020-09-25 03:06:02,717 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2020-09-25 03:06:02,717 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__base [2020-09-25 03:06:02,717 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__highWaterSensor [2020-09-25 03:06:02,718 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment [2020-09-25 03:06:02,718 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump__wrappee__lowWaterSensor [2020-09-25 03:06:02,718 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump [2020-09-25 03:06:02,718 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivatePump [2020-09-25 03:06:02,718 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneAlarm [2020-09-25 03:06:02,719 INFO L138 BoogieDeclarations]: Found implementation of procedure isPumpRunning [2020-09-25 03:06:02,720 INFO L138 BoogieDeclarations]: Found implementation of procedure printPump [2020-09-25 03:06:02,720 INFO L138 BoogieDeclarations]: Found implementation of procedure isHighWaterLevel [2020-09-25 03:06:02,720 INFO L138 BoogieDeclarations]: Found implementation of procedure isLowWaterLevel [2020-09-25 03:06:02,720 INFO L138 BoogieDeclarations]: Found implementation of procedure stopSystem [2020-09-25 03:06:02,720 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_set [2020-09-25 03:06:02,721 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_free [2020-09-25 03:06:02,721 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_reset [2020-09-25 03:06:02,721 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__error_stack_mgt [2020-09-25 03:06:02,721 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_arg [2020-09-25 03:06:02,721 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_argtype [2020-09-25 03:06:02,721 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2020-09-25 03:06:02,722 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification5_spec__1 [2020-09-25 03:06:02,722 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification5_spec__2 [2020-09-25 03:06:02,722 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification5_spec__3 [2020-09-25 03:06:02,722 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2020-09-25 03:06:02,722 INFO L138 BoogieDeclarations]: Found implementation of procedure Specification2 [2020-09-25 03:06:02,722 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2020-09-25 03:06:02,723 INFO L138 BoogieDeclarations]: Found implementation of procedure runTest [2020-09-25 03:06:02,723 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-09-25 03:06:02,723 INFO L138 BoogieDeclarations]: Found implementation of procedure select_one [2020-09-25 03:06:02,723 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2020-09-25 03:06:02,723 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2020-09-25 03:06:02,723 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2020-09-25 03:06:02,723 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2020-09-25 03:06:02,723 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2020-09-25 03:06:02,724 INFO L130 BoogieDeclarations]: Found specification of procedure printf [2020-09-25 03:06:02,724 INFO L130 BoogieDeclarations]: Found specification of procedure lowerWaterLevel [2020-09-25 03:06:02,724 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2020-09-25 03:06:02,724 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2020-09-25 03:06:02,724 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2020-09-25 03:06:02,724 INFO L130 BoogieDeclarations]: Found specification of procedure getWaterLevel [2020-09-25 03:06:02,724 INFO L130 BoogieDeclarations]: Found specification of procedure printEnvironment [2020-09-25 03:06:02,725 INFO L130 BoogieDeclarations]: Found specification of procedure isHighWaterSensorDry [2020-09-25 03:06:02,725 INFO L130 BoogieDeclarations]: Found specification of procedure isLowWaterSensorDry [2020-09-25 03:06:02,725 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-09-25 03:06:02,725 INFO L130 BoogieDeclarations]: Found specification of procedure stopSystem [2020-09-25 03:06:02,725 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2020-09-25 03:06:02,725 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2020-09-25 03:06:02,726 INFO L130 BoogieDeclarations]: Found specification of procedure test [2020-09-25 03:06:02,726 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump [2020-09-25 03:06:02,726 INFO L130 BoogieDeclarations]: Found specification of procedure deactivatePump [2020-09-25 03:06:02,726 INFO L130 BoogieDeclarations]: Found specification of procedure isPumpRunning [2020-09-25 03:06:02,726 INFO L130 BoogieDeclarations]: Found specification of procedure printPump [2020-09-25 03:06:02,726 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification5_spec__2 [2020-09-25 03:06:02,726 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification5_spec__3 [2020-09-25 03:06:02,726 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment [2020-09-25 03:06:02,727 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__base [2020-09-25 03:06:02,727 INFO L130 BoogieDeclarations]: Found specification of procedure isHighWaterLevel [2020-09-25 03:06:02,727 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__highWaterSensor [2020-09-25 03:06:02,727 INFO L130 BoogieDeclarations]: Found specification of procedure isLowWaterLevel [2020-09-25 03:06:02,727 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump__wrappee__lowWaterSensor [2020-09-25 03:06:02,727 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneAlarm [2020-09-25 03:06:02,727 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2020-09-25 03:06:02,728 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2020-09-25 03:06:02,728 INFO L130 BoogieDeclarations]: Found specification of procedure free [2020-09-25 03:06:02,728 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_set [2020-09-25 03:06:02,728 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2020-09-25 03:06:02,728 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2020-09-25 03:06:02,728 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-09-25 03:06:02,729 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2020-09-25 03:06:02,729 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_free [2020-09-25 03:06:02,729 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-09-25 03:06:02,729 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_reset [2020-09-25 03:06:02,729 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~X~int~TO~int [2020-09-25 03:06:02,729 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2020-09-25 03:06:02,729 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__error_stack_mgt [2020-09-25 03:06:02,729 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_arg [2020-09-25 03:06:02,730 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_argtype [2020-09-25 03:06:02,730 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2020-09-25 03:06:02,730 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification5_spec__1 [2020-09-25 03:06:02,730 INFO L130 BoogieDeclarations]: Found specification of procedure Specification2 [2020-09-25 03:06:02,730 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2020-09-25 03:06:02,730 INFO L130 BoogieDeclarations]: Found specification of procedure runTest [2020-09-25 03:06:02,730 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2020-09-25 03:06:02,731 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2020-09-25 03:06:02,731 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2020-09-25 03:06:02,731 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-09-25 03:06:02,731 INFO L130 BoogieDeclarations]: Found specification of procedure select_one [2020-09-25 03:06:02,731 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-09-25 03:06:02,731 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-09-25 03:06:02,731 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-09-25 03:06:03,947 INFO L290 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-09-25 03:06:03,947 INFO L295 CfgBuilder]: Removed 5 assume(true) statements. [2020-09-25 03:06:03,955 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.09 03:06:03 BoogieIcfgContainer [2020-09-25 03:06:03,955 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-09-25 03:06:03,956 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-09-25 03:06:03,956 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-09-25 03:06:03,960 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-09-25 03:06:03,961 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 25.09 03:06:01" (1/3) ... [2020-09-25 03:06:03,961 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@302eef64 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 25.09 03:06:03, skipping insertion in model container [2020-09-25 03:06:03,962 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 03:06:02" (2/3) ... [2020-09-25 03:06:03,962 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@302eef64 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 25.09 03:06:03, skipping insertion in model container [2020-09-25 03:06:03,962 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.09 03:06:03" (3/3) ... [2020-09-25 03:06:03,964 INFO L109 eAbstractionObserver]: Analyzing ICFG minepump_spec5_product59.cil.c [2020-09-25 03:06:03,977 INFO L157 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:Craig_NestedInterpolation Determinization: PREDICATE_ABSTRACTION [2020-09-25 03:06:03,988 INFO L169 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-09-25 03:06:04,011 INFO L251 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-09-25 03:06:04,040 INFO L375 AbstractCegarLoop]: Interprodecural is true [2020-09-25 03:06:04,040 INFO L376 AbstractCegarLoop]: Hoare is true [2020-09-25 03:06:04,040 INFO L377 AbstractCegarLoop]: Compute interpolants for Craig_NestedInterpolation [2020-09-25 03:06:04,041 INFO L378 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-09-25 03:06:04,041 INFO L379 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-09-25 03:06:04,041 INFO L380 AbstractCegarLoop]: Difference is false [2020-09-25 03:06:04,041 INFO L381 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-09-25 03:06:04,041 INFO L385 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-09-25 03:06:04,072 INFO L276 IsEmpty]: Start isEmpty. Operand 353 states. [2020-09-25 03:06:04,091 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 161 [2020-09-25 03:06:04,092 INFO L414 BasicCegarLoop]: Found error trace [2020-09-25 03:06:04,093 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-09-25 03:06:04,094 INFO L427 AbstractCegarLoop]: === Iteration 1 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-25 03:06:04,101 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-25 03:06:04,102 INFO L82 PathProgramCache]: Analyzing trace with hash 361389502, now seen corresponding path program 1 times [2020-09-25 03:06:04,113 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-25 03:06:04,113 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [182252560] [2020-09-25 03:06:04,114 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-25 03:06:04,481 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 03:06:04,666 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 03:06:04,885 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 03:06:06,396 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 03:06:06,637 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 03:06:09,429 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 03:06:09,496 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 03:06:09,506 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 197 [2020-09-25 03:06:09,506 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 5 [2020-09-25 03:06:09,507 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5006 [2020-09-25 03:06:09,511 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDEST [2020-09-25 03:06:09,511 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 16 [2020-09-25 03:06:09,511 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 79 [2020-09-25 03:06:09,512 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 113 [2020-09-25 03:06:09,512 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 4 [2020-09-25 03:06:10,270 WARN L193 SmtUtils]: Spent 497.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-09-25 03:06:10,273 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-25 03:06:10,314 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 03:06:10,358 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 03:06:10,590 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 03:06:10,591 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 86 [2020-09-25 03:06:10,591 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 03:06:10,591 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 275 [2020-09-25 03:06:10,592 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDEST [2020-09-25 03:06:10,592 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 03:06:10,592 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 03:06:10,593 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 75 [2020-09-25 03:06:10,593 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 03:06:10,662 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2020-09-25 03:06:10,663 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 03:06:10,664 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 03:06:10,668 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 03:06:10,668 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 03:06:10,668 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 03:06:10,669 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-09-25 03:06:10,669 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDEST [2020-09-25 03:06:10,669 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 03:06:10,669 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 03:06:10,669 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-25 03:06:10,670 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 03:06:10,672 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2020-09-25 03:06:10,672 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 03:06:10,674 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 03:06:10,677 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 03:06:10,677 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 03:06:10,677 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 03:06:10,678 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-25 03:06:10,678 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDEST [2020-09-25 03:06:10,678 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 03:06:10,678 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 03:06:10,679 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-25 03:06:10,679 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 03:06:10,680 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2020-09-25 03:06:10,681 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 03:06:10,683 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 03:06:10,692 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 03:06:10,692 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 03:06:10,693 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 03:06:10,693 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 10 [2020-09-25 03:06:10,693 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDEST [2020-09-25 03:06:10,693 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 03:06:10,694 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 03:06:10,694 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-09-25 03:06:10,694 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 03:06:10,696 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2020-09-25 03:06:10,697 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 03:06:10,699 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 03:06:10,702 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 03:06:10,702 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 03:06:10,702 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 03:06:10,702 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-25 03:06:10,702 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDEST [2020-09-25 03:06:10,703 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 03:06:10,703 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 03:06:10,703 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-25 03:06:10,703 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 03:06:10,720 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2020-09-25 03:06:10,722 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 03:06:10,724 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 03:06:10,727 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 03:06:10,727 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-25 03:06:10,727 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 03:06:10,727 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-09-25 03:06:10,727 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDEST [2020-09-25 03:06:10,728 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 03:06:10,728 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 03:06:10,728 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-09-25 03:06:10,728 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 03:06:10,730 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 120 [2020-09-25 03:06:10,732 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 03:06:10,735 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 03:06:10,745 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 03:06:10,745 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 19 [2020-09-25 03:06:10,745 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 03:06:10,745 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 11 [2020-09-25 03:06:10,746 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDEST [2020-09-25 03:06:10,746 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 03:06:10,746 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 03:06:10,746 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 15 [2020-09-25 03:06:10,747 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 03:06:10,749 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-25 03:06:10,750 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 03:06:10,752 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 03:06:10,753 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 03:06:10,754 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 03:06:10,754 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 03:06:10,754 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-25 03:06:10,754 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDEST [2020-09-25 03:06:10,755 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 03:06:10,755 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 03:06:10,755 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 03:06:10,755 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 03:06:10,757 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 137 [2020-09-25 03:06:10,759 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 03:06:10,761 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 03:06:10,764 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 03:06:10,764 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 03:06:10,764 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 03:06:10,764 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-09-25 03:06:10,765 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDEST [2020-09-25 03:06:10,765 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 03:06:10,765 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 03:06:10,765 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-09-25 03:06:10,766 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 03:06:10,768 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 147 [2020-09-25 03:06:10,769 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 03:06:10,771 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 03:06:10,778 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 03:06:10,778 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 03:06:10,778 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 03:06:10,779 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 8 [2020-09-25 03:06:10,779 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDEST [2020-09-25 03:06:10,779 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-09-25 03:06:10,779 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 03:06:10,780 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-09-25 03:06:10,780 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 03:06:10,869 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2020-09-25 03:06:10,870 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [182252560] [2020-09-25 03:06:10,873 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-25 03:06:10,874 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2020-09-25 03:06:10,875 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1276657230] [2020-09-25 03:06:10,883 INFO L459 AbstractCegarLoop]: Interpolant automaton has 9 states [2020-09-25 03:06:10,883 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-25 03:06:10,903 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2020-09-25 03:06:10,905 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=56, Unknown=0, NotChecked=0, Total=72 [2020-09-25 03:06:10,908 INFO L87 Difference]: Start difference. First operand 353 states. Second operand 9 states. [2020-09-25 03:06:11,625 WARN L193 SmtUtils]: Spent 274.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-25 03:06:12,396 WARN L193 SmtUtils]: Spent 250.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-25 03:06:12,748 WARN L193 SmtUtils]: Spent 303.00 ms on a formula simplification that was a NOOP. DAG size: 193 [2020-09-25 03:06:14,350 WARN L193 SmtUtils]: Spent 249.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-25 03:06:14,671 WARN L193 SmtUtils]: Spent 296.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-25 03:06:15,003 WARN L193 SmtUtils]: Spent 249.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-09-25 03:06:15,657 WARN L193 SmtUtils]: Spent 304.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-25 03:06:15,964 WARN L193 SmtUtils]: Spent 276.00 ms on a formula simplification that was a NOOP. DAG size: 193 [2020-09-25 03:06:16,267 WARN L193 SmtUtils]: Spent 279.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-25 03:06:16,969 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-25 03:06:16,969 INFO L93 Difference]: Finished difference Result 677 states and 816 transitions. [2020-09-25 03:06:16,970 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2020-09-25 03:06:16,972 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 160 [2020-09-25 03:06:16,973 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-25 03:06:16,994 INFO L225 Difference]: With dead ends: 677 [2020-09-25 03:06:16,994 INFO L226 Difference]: Without dead ends: 448 [2020-09-25 03:06:17,001 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 43 GetRequests, 26 SyntacticMatches, 0 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 32 ImplicationChecksByTransitivity, 3.3s TimeCoverageRelationStatistics Valid=93, Invalid=249, Unknown=0, NotChecked=0, Total=342 [2020-09-25 03:06:17,023 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 448 states. [2020-09-25 03:06:17,156 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 448 to 399. [2020-09-25 03:06:17,158 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 399 states. [2020-09-25 03:06:17,161 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 399 states to 399 states and 447 transitions. [2020-09-25 03:06:17,163 INFO L78 Accepts]: Start accepts. Automaton has 399 states and 447 transitions. Word has length 160 [2020-09-25 03:06:17,164 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-25 03:06:17,164 INFO L479 AbstractCegarLoop]: Abstraction has 399 states and 447 transitions. [2020-09-25 03:06:17,165 INFO L480 AbstractCegarLoop]: Interpolant automaton has 9 states. [2020-09-25 03:06:17,165 INFO L276 IsEmpty]: Start isEmpty. Operand 399 states and 447 transitions. [2020-09-25 03:06:17,174 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 222 [2020-09-25 03:06:17,174 INFO L414 BasicCegarLoop]: Found error trace [2020-09-25 03:06:17,175 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-09-25 03:06:17,175 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-09-25 03:06:17,175 INFO L427 AbstractCegarLoop]: === Iteration 2 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-25 03:06:17,175 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-25 03:06:17,176 INFO L82 PathProgramCache]: Analyzing trace with hash -1620422719, now seen corresponding path program 1 times [2020-09-25 03:06:17,176 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-25 03:06:17,176 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [186656067] [2020-09-25 03:06:17,176 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-25 03:06:17,239 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 03:06:17,306 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 03:06:17,410 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 03:06:19,267 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 03:06:19,268 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 274 [2020-09-25 03:06:19,268 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-09-25 03:06:19,268 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2022 [2020-09-25 03:06:19,269 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDEST [2020-09-25 03:06:19,269 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-09-25 03:06:19,269 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 185 [2020-09-25 03:06:19,270 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-09-25 03:06:19,270 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 03:06:19,675 WARN L193 SmtUtils]: Spent 316.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-09-25 03:06:19,676 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-25 03:06:19,686 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 03:06:19,696 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 03:06:19,828 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 03:06:19,828 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 86 [2020-09-25 03:06:19,829 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 03:06:19,829 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 140 [2020-09-25 03:06:19,829 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDEST [2020-09-25 03:06:19,830 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 03:06:19,830 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 03:06:19,830 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 03:06:19,831 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 03:06:19,969 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2020-09-25 03:06:19,971 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 03:06:19,973 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 03:06:19,974 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 03:06:19,975 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 03:06:19,975 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 03:06:19,975 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-25 03:06:19,976 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDEST [2020-09-25 03:06:19,976 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 03:06:19,976 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 03:06:19,977 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 03:06:19,977 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 03:06:19,978 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2020-09-25 03:06:19,979 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 03:06:19,980 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 03:06:19,982 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 03:06:19,982 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 03:06:19,983 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 03:06:19,983 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-25 03:06:19,983 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDEST [2020-09-25 03:06:19,984 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 03:06:19,984 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 03:06:19,984 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 03:06:19,985 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 03:06:19,986 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2020-09-25 03:06:19,986 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 03:06:19,988 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 03:06:19,992 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 03:06:19,992 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 03:06:19,993 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 03:06:19,993 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-09-25 03:06:19,993 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDEST [2020-09-25 03:06:19,993 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 03:06:19,994 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 03:06:19,994 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 03:06:19,994 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 03:06:19,996 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2020-09-25 03:06:19,997 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 03:06:19,998 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 03:06:19,999 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 03:06:19,999 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 03:06:20,001 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 03:06:20,001 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-25 03:06:20,002 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDEST [2020-09-25 03:06:20,002 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 03:06:20,002 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 03:06:20,002 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 03:06:20,002 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 03:06:20,011 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2020-09-25 03:06:20,012 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 03:06:20,013 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 03:06:20,015 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 03:06:20,015 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-25 03:06:20,016 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 03:06:20,016 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-25 03:06:20,016 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDEST [2020-09-25 03:06:20,018 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 03:06:20,018 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 03:06:20,018 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 03:06:20,019 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 2 [2020-09-25 03:06:20,020 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 121 [2020-09-25 03:06:20,022 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 03:06:20,023 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 03:06:20,026 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 03:06:20,026 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 19 [2020-09-25 03:06:20,026 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 03:06:20,027 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-25 03:06:20,027 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDEST [2020-09-25 03:06:20,027 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 03:06:20,028 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 03:06:20,028 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 03:06:20,028 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 03:06:20,031 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-25 03:06:20,031 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 03:06:20,033 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 03:06:20,034 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 03:06:20,035 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 03:06:20,035 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 03:06:20,036 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-25 03:06:20,036 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDEST [2020-09-25 03:06:20,036 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 03:06:20,037 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 03:06:20,037 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 03:06:20,037 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 03:06:20,050 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2020-09-25 03:06:20,057 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 03:06:20,066 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 03:06:20,160 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 03:06:20,160 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 79 [2020-09-25 03:06:20,161 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 03:06:20,161 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 99 [2020-09-25 03:06:20,161 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDEST [2020-09-25 03:06:20,162 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-09-25 03:06:20,162 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 21 [2020-09-25 03:06:20,162 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-09-25 03:06:20,163 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 03:06:20,172 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-25 03:06:20,189 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 03:06:20,197 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 03:06:20,287 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 03:06:20,288 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 72 [2020-09-25 03:06:20,288 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 03:06:20,288 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 96 [2020-09-25 03:06:20,289 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDEST [2020-09-25 03:06:20,289 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-09-25 03:06:20,289 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 16 [2020-09-25 03:06:20,289 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-09-25 03:06:20,289 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 03:06:20,298 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-25 03:06:20,300 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 03:06:20,304 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 03:06:20,337 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 03:06:20,338 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 27 [2020-09-25 03:06:20,338 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 03:06:20,338 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 36 [2020-09-25 03:06:20,338 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDEST [2020-09-25 03:06:20,339 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-09-25 03:06:20,339 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 11 [2020-09-25 03:06:20,339 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-09-25 03:06:20,339 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 03:06:20,360 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-25 03:06:20,362 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 03:06:20,364 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 03:06:20,370 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 03:06:20,370 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-09-25 03:06:20,370 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 03:06:20,371 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-09-25 03:06:20,371 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDEST [2020-09-25 03:06:20,371 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-09-25 03:06:20,371 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 03:06:20,372 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-09-25 03:06:20,372 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 03:06:20,403 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2020-09-25 03:06:20,405 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 03:06:20,409 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 03:06:20,419 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 03:06:20,420 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 37 [2020-09-25 03:06:20,420 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 03:06:20,420 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 13 [2020-09-25 03:06:20,420 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDEST [2020-09-25 03:06:20,420 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 03:06:20,421 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 34 [2020-09-25 03:06:20,421 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 03:06:20,421 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 03:06:20,424 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-09-25 03:06:20,426 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 03:06:20,429 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 03:06:20,432 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 03:06:20,432 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 21 [2020-09-25 03:06:20,432 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 03:06:20,433 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-09-25 03:06:20,433 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDEST [2020-09-25 03:06:20,433 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 03:06:20,433 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 03:06:20,434 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 03:06:20,434 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 03:06:20,436 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-09-25 03:06:20,437 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 03:06:20,438 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 03:06:20,440 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 03:06:20,440 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 03:06:20,441 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 03:06:20,441 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-25 03:06:20,441 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDEST [2020-09-25 03:06:20,442 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 03:06:20,442 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 03:06:20,442 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 03:06:20,442 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 03:06:20,446 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2020-09-25 03:06:20,447 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 03:06:20,448 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 03:06:20,450 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 03:06:20,450 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-25 03:06:20,451 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 03:06:20,451 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-25 03:06:20,451 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDEST [2020-09-25 03:06:20,451 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 03:06:20,452 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 03:06:20,452 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 03:06:20,452 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 03:06:20,459 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 198 [2020-09-25 03:06:20,461 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 03:06:20,462 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 03:06:20,464 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 03:06:20,464 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 03:06:20,464 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 03:06:20,465 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-25 03:06:20,465 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDEST [2020-09-25 03:06:20,465 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 03:06:20,465 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-09-25 03:06:20,465 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 03:06:20,466 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 03:06:20,467 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 208 [2020-09-25 03:06:20,468 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 03:06:20,470 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 03:06:20,471 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 03:06:20,471 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 03:06:20,472 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 03:06:20,472 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-25 03:06:20,472 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDEST [2020-09-25 03:06:20,472 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 03:06:20,472 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-09-25 03:06:20,472 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 03:06:20,473 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 03:06:20,531 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2020-09-25 03:06:20,531 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [186656067] [2020-09-25 03:06:20,532 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-25 03:06:20,532 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2020-09-25 03:06:20,532 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2056376819] [2020-09-25 03:06:20,536 INFO L459 AbstractCegarLoop]: Interpolant automaton has 9 states [2020-09-25 03:06:20,537 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-25 03:06:20,538 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2020-09-25 03:06:20,538 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=55, Unknown=0, NotChecked=0, Total=72 [2020-09-25 03:06:20,538 INFO L87 Difference]: Start difference. First operand 399 states and 447 transitions. Second operand 9 states. [2020-09-25 03:06:21,924 WARN L193 SmtUtils]: Spent 253.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-25 03:06:22,171 WARN L193 SmtUtils]: Spent 215.00 ms on a formula simplification that was a NOOP. DAG size: 194 [2020-09-25 03:06:22,517 WARN L193 SmtUtils]: Spent 276.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-25 03:06:22,850 WARN L193 SmtUtils]: Spent 253.00 ms on a formula simplification that was a NOOP. DAG size: 194 [2020-09-25 03:06:23,146 WARN L193 SmtUtils]: Spent 263.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-25 03:06:24,389 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-25 03:06:24,389 INFO L93 Difference]: Finished difference Result 781 states and 950 transitions. [2020-09-25 03:06:24,390 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2020-09-25 03:06:24,390 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 221 [2020-09-25 03:06:24,391 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-25 03:06:24,398 INFO L225 Difference]: With dead ends: 781 [2020-09-25 03:06:24,398 INFO L226 Difference]: Without dead ends: 497 [2020-09-25 03:06:24,402 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 52 GetRequests, 39 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 16 ImplicationChecksByTransitivity, 1.7s TimeCoverageRelationStatistics Valid=62, Invalid=148, Unknown=0, NotChecked=0, Total=210 [2020-09-25 03:06:24,404 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 497 states. [2020-09-25 03:06:24,474 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 497 to 414. [2020-09-25 03:06:24,474 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 414 states. [2020-09-25 03:06:24,478 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 414 states to 414 states and 468 transitions. [2020-09-25 03:06:24,478 INFO L78 Accepts]: Start accepts. Automaton has 414 states and 468 transitions. Word has length 221 [2020-09-25 03:06:24,479 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-25 03:06:24,479 INFO L479 AbstractCegarLoop]: Abstraction has 414 states and 468 transitions. [2020-09-25 03:06:24,479 INFO L480 AbstractCegarLoop]: Interpolant automaton has 9 states. [2020-09-25 03:06:24,480 INFO L276 IsEmpty]: Start isEmpty. Operand 414 states and 468 transitions. [2020-09-25 03:06:24,484 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 258 [2020-09-25 03:06:24,484 INFO L414 BasicCegarLoop]: Found error trace [2020-09-25 03:06:24,485 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 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] [2020-09-25 03:06:24,485 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-09-25 03:06:24,485 INFO L427 AbstractCegarLoop]: === Iteration 3 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-25 03:06:24,485 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-25 03:06:24,486 INFO L82 PathProgramCache]: Analyzing trace with hash 1350665580, now seen corresponding path program 1 times [2020-09-25 03:06:24,486 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-25 03:06:24,486 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1808517557] [2020-09-25 03:06:24,487 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-25 03:06:24,546 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 03:06:24,608 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 03:06:24,724 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 03:06:24,874 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 03:06:25,157 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 03:06:29,542 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 03:06:29,593 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 03:06:29,593 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 320 [2020-09-25 03:06:29,593 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 5 [2020-09-25 03:06:29,593 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5042 [2020-09-25 03:06:29,594 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDEST [2020-09-25 03:06:29,594 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 16 [2020-09-25 03:06:29,594 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 77 [2020-09-25 03:06:29,594 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 104 [2020-09-25 03:06:29,594 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 03:06:29,864 WARN L193 SmtUtils]: Spent 195.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-09-25 03:06:29,865 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-25 03:06:29,892 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 03:06:29,926 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 03:06:30,120 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 03:06:30,121 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 86 [2020-09-25 03:06:30,121 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 03:06:30,121 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 227 [2020-09-25 03:06:30,121 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDEST [2020-09-25 03:06:30,121 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 03:06:30,122 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 03:06:30,122 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 73 [2020-09-25 03:06:30,122 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 03:06:30,167 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2020-09-25 03:06:30,168 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 03:06:30,169 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 03:06:30,172 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 03:06:30,172 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 03:06:30,172 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 03:06:30,172 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-25 03:06:30,173 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDEST [2020-09-25 03:06:30,173 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 03:06:30,173 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 03:06:30,173 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-25 03:06:30,173 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 03:06:30,174 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2020-09-25 03:06:30,175 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 03:06:30,176 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 03:06:30,178 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 03:06:30,179 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 03:06:30,179 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 03:06:30,179 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-25 03:06:30,179 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDEST [2020-09-25 03:06:30,179 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 03:06:30,180 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 03:06:30,180 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-25 03:06:30,180 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 03:06:30,181 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2020-09-25 03:06:30,182 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 03:06:30,183 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 03:06:30,188 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 03:06:30,188 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 03:06:30,189 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 03:06:30,189 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-09-25 03:06:30,189 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDEST [2020-09-25 03:06:30,189 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 03:06:30,190 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 03:06:30,190 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-09-25 03:06:30,190 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 03:06:30,192 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2020-09-25 03:06:30,192 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 03:06:30,194 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 03:06:30,196 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 03:06:30,196 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 03:06:30,196 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 03:06:30,197 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-25 03:06:30,197 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDEST [2020-09-25 03:06:30,197 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 03:06:30,197 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 03:06:30,197 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-25 03:06:30,197 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 03:06:30,206 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2020-09-25 03:06:30,207 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 03:06:30,209 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 03:06:30,211 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 03:06:30,211 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-25 03:06:30,211 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 03:06:30,211 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-25 03:06:30,212 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDEST [2020-09-25 03:06:30,212 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 03:06:30,212 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 03:06:30,212 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-09-25 03:06:30,212 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 03:06:30,226 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 120 [2020-09-25 03:06:30,233 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 03:06:30,238 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 03:06:30,301 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 03:06:30,302 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 45 [2020-09-25 03:06:30,302 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 03:06:30,302 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 67 [2020-09-25 03:06:30,302 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDEST [2020-09-25 03:06:30,302 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 8 [2020-09-25 03:06:30,303 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-09-25 03:06:30,303 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 44 [2020-09-25 03:06:30,303 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 03:06:30,324 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-25 03:06:30,326 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 03:06:30,328 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 03:06:30,335 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 03:06:30,335 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 19 [2020-09-25 03:06:30,335 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 03:06:30,335 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 8 [2020-09-25 03:06:30,336 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDEST [2020-09-25 03:06:30,336 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 03:06:30,336 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 03:06:30,336 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 15 [2020-09-25 03:06:30,336 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 03:06:30,339 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-25 03:06:30,339 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 03:06:30,340 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 03:06:30,342 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 03:06:30,342 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 03:06:30,342 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 03:06:30,343 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-25 03:06:30,343 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDEST [2020-09-25 03:06:30,343 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 03:06:30,343 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 03:06:30,343 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 03:06:30,344 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 03:06:30,345 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2020-09-25 03:06:30,347 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 03:06:30,349 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 03:06:30,358 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 03:06:30,359 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 22 [2020-09-25 03:06:30,359 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 03:06:30,359 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 11 [2020-09-25 03:06:30,359 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDEST [2020-09-25 03:06:30,359 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 7 [2020-09-25 03:06:30,360 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 03:06:30,360 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 18 [2020-09-25 03:06:30,360 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 03:06:30,393 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-25 03:06:30,394 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 03:06:30,396 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 03:06:30,400 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 03:06:30,400 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 03:06:30,401 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 03:06:30,401 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-09-25 03:06:30,401 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDEST [2020-09-25 03:06:30,401 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-09-25 03:06:30,402 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 03:06:30,402 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-09-25 03:06:30,402 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 03:06:30,428 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 157 [2020-09-25 03:06:30,430 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 03:06:30,432 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 03:06:30,434 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 03:06:30,434 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 19 [2020-09-25 03:06:30,434 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 03:06:30,434 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-25 03:06:30,434 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDEST [2020-09-25 03:06:30,435 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 03:06:30,435 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 16 [2020-09-25 03:06:30,435 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 03:06:30,435 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 03:06:30,437 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-25 03:06:30,438 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 03:06:30,439 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 03:06:30,440 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 03:06:30,440 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 03:06:30,440 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 03:06:30,440 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-25 03:06:30,441 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDEST [2020-09-25 03:06:30,441 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 03:06:30,441 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 03:06:30,441 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 03:06:30,441 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 03:06:30,468 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 171 [2020-09-25 03:06:30,472 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 03:06:30,487 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 03:06:30,546 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 03:06:30,591 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 03:06:30,592 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 79 [2020-09-25 03:06:30,592 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-09-25 03:06:30,592 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 117 [2020-09-25 03:06:30,592 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDEST [2020-09-25 03:06:30,593 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-09-25 03:06:30,593 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 29 [2020-09-25 03:06:30,593 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 9 [2020-09-25 03:06:30,593 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 03:06:30,599 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-25 03:06:30,603 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 03:06:30,610 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 03:06:30,698 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 03:06:30,699 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 72 [2020-09-25 03:06:30,699 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 03:06:30,700 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 93 [2020-09-25 03:06:30,700 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDEST [2020-09-25 03:06:30,701 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-09-25 03:06:30,701 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 24 [2020-09-25 03:06:30,701 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 9 [2020-09-25 03:06:30,702 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 03:06:30,756 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-25 03:06:30,761 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 03:06:30,766 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 03:06:30,799 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 03:06:30,799 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 27 [2020-09-25 03:06:30,800 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 03:06:30,800 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 36 [2020-09-25 03:06:30,800 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDEST [2020-09-25 03:06:30,800 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-09-25 03:06:30,801 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 03:06:30,801 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 22 [2020-09-25 03:06:30,801 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 03:06:30,892 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-25 03:06:30,893 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 03:06:30,895 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 03:06:30,900 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 03:06:30,901 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-09-25 03:06:30,901 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 03:06:30,902 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-09-25 03:06:30,902 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDEST [2020-09-25 03:06:30,902 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 03:06:30,903 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 03:06:30,903 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 03:06:30,903 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 03:06:30,905 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2020-09-25 03:06:30,908 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 03:06:30,912 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 03:06:30,923 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 03:06:30,924 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 37 [2020-09-25 03:06:30,924 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 03:06:30,925 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 15 [2020-09-25 03:06:30,925 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDEST [2020-09-25 03:06:30,926 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 03:06:30,926 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 34 [2020-09-25 03:06:30,927 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 03:06:30,927 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 03:06:30,931 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-09-25 03:06:30,932 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 03:06:30,934 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 03:06:30,936 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 03:06:30,937 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 21 [2020-09-25 03:06:30,937 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 03:06:30,938 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-25 03:06:30,938 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDEST [2020-09-25 03:06:30,939 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 03:06:30,939 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 03:06:30,940 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 03:06:30,940 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 03:06:30,943 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-09-25 03:06:30,943 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 03:06:30,945 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 03:06:31,013 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 03:06:31,013 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 03:06:31,019 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 03:06:31,019 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 68 [2020-09-25 03:06:31,019 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDEST [2020-09-25 03:06:31,020 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 03:06:31,020 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 03:06:31,020 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 03:06:31,020 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 03:06:31,030 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2020-09-25 03:06:31,033 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 03:06:31,034 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 03:06:31,039 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 03:06:31,039 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-25 03:06:31,040 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 03:06:31,040 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-09-25 03:06:31,041 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDEST [2020-09-25 03:06:31,041 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 03:06:31,041 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 03:06:31,042 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 03:06:31,042 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 03:06:31,055 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 234 [2020-09-25 03:06:31,056 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 03:06:31,058 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 03:06:31,059 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 03:06:31,060 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 03:06:31,060 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 03:06:31,060 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-25 03:06:31,061 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDEST [2020-09-25 03:06:31,061 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 03:06:31,061 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-09-25 03:06:31,062 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 03:06:31,062 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 03:06:31,063 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 244 [2020-09-25 03:06:31,067 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 03:06:31,068 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 03:06:31,070 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 03:06:31,070 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 03:06:31,071 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 03:06:31,071 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-25 03:06:31,071 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDEST [2020-09-25 03:06:31,071 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 03:06:31,071 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-09-25 03:06:31,072 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 03:06:31,072 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 03:06:31,148 INFO L134 CoverageAnalysis]: Checked inductivity of 37 backedges. 11 proven. 3 refuted. 0 times theorem prover too weak. 23 trivial. 0 not checked. [2020-09-25 03:06:31,148 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1808517557] [2020-09-25 03:06:31,149 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-09-25 03:06:31,149 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [19] total 19 [2020-09-25 03:06:31,149 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [805404361] [2020-09-25 03:06:31,153 INFO L459 AbstractCegarLoop]: Interpolant automaton has 19 states [2020-09-25 03:06:31,155 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-25 03:06:31,156 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 19 interpolants. [2020-09-25 03:06:31,157 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=42, Invalid=300, Unknown=0, NotChecked=0, Total=342 [2020-09-25 03:06:31,157 INFO L87 Difference]: Start difference. First operand 414 states and 468 transitions. Second operand 19 states. [2020-09-25 03:06:31,691 WARN L193 SmtUtils]: Spent 203.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-25 03:06:33,260 WARN L193 SmtUtils]: Spent 551.00 ms on a formula simplification. DAG size of input: 192 DAG size of output: 189 [2020-09-25 03:06:34,120 WARN L193 SmtUtils]: Spent 274.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-25 03:06:34,488 WARN L193 SmtUtils]: Spent 288.00 ms on a formula simplification that was a NOOP. DAG size: 193 [2020-09-25 03:06:34,932 WARN L193 SmtUtils]: Spent 282.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-25 03:06:35,305 WARN L193 SmtUtils]: Spent 290.00 ms on a formula simplification that was a NOOP. DAG size: 193 [2020-09-25 03:06:35,682 WARN L193 SmtUtils]: Spent 297.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-25 03:06:36,555 WARN L193 SmtUtils]: Spent 593.00 ms on a formula simplification. DAG size of input: 194 DAG size of output: 191 [2020-09-25 03:06:37,176 WARN L193 SmtUtils]: Spent 561.00 ms on a formula simplification. DAG size of input: 196 DAG size of output: 193 [2020-09-25 03:06:37,515 WARN L193 SmtUtils]: Spent 271.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-09-25 03:06:38,116 WARN L193 SmtUtils]: Spent 540.00 ms on a formula simplification. DAG size of input: 194 DAG size of output: 191 [2020-09-25 03:06:38,437 WARN L193 SmtUtils]: Spent 275.00 ms on a formula simplification that was a NOOP. DAG size: 194 [2020-09-25 03:06:38,773 WARN L193 SmtUtils]: Spent 280.00 ms on a formula simplification that was a NOOP. DAG size: 196 [2020-09-25 03:06:39,389 WARN L193 SmtUtils]: Spent 570.00 ms on a formula simplification. DAG size of input: 196 DAG size of output: 193 [2020-09-25 03:06:40,001 WARN L193 SmtUtils]: Spent 558.00 ms on a formula simplification. DAG size of input: 194 DAG size of output: 191 [2020-09-25 03:06:40,334 WARN L193 SmtUtils]: Spent 281.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-09-25 03:06:40,724 WARN L193 SmtUtils]: Spent 296.00 ms on a formula simplification that was a NOOP. DAG size: 194 [2020-09-25 03:06:41,082 WARN L193 SmtUtils]: Spent 281.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-09-25 03:06:41,957 WARN L193 SmtUtils]: Spent 571.00 ms on a formula simplification. DAG size of input: 195 DAG size of output: 192 [2020-09-25 03:06:42,632 WARN L193 SmtUtils]: Spent 611.00 ms on a formula simplification. DAG size of input: 197 DAG size of output: 194 [2020-09-25 03:06:43,305 WARN L193 SmtUtils]: Spent 588.00 ms on a formula simplification. DAG size of input: 199 DAG size of output: 196 [2020-09-25 03:06:43,963 WARN L193 SmtUtils]: Spent 550.00 ms on a formula simplification. DAG size of input: 195 DAG size of output: 192 [2020-09-25 03:06:44,614 WARN L193 SmtUtils]: Spent 549.00 ms on a formula simplification. DAG size of input: 197 DAG size of output: 194 [2020-09-25 03:06:45,192 WARN L193 SmtUtils]: Spent 529.00 ms on a formula simplification. DAG size of input: 195 DAG size of output: 192 [2020-09-25 03:06:47,788 WARN L193 SmtUtils]: Spent 266.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-25 03:06:48,111 WARN L193 SmtUtils]: Spent 279.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-25 03:06:48,450 WARN L193 SmtUtils]: Spent 270.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-25 03:06:48,778 WARN L193 SmtUtils]: Spent 281.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-25 03:06:49,122 WARN L193 SmtUtils]: Spent 305.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-25 03:06:49,450 WARN L193 SmtUtils]: Spent 271.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-09-25 03:06:49,933 WARN L193 SmtUtils]: Spent 268.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-09-25 03:06:50,248 WARN L193 SmtUtils]: Spent 278.00 ms on a formula simplification that was a NOOP. DAG size: 193 [2020-09-25 03:06:50,578 WARN L193 SmtUtils]: Spent 278.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-09-25 03:06:50,908 WARN L193 SmtUtils]: Spent 289.00 ms on a formula simplification that was a NOOP. DAG size: 195 [2020-09-25 03:06:51,274 WARN L193 SmtUtils]: Spent 322.00 ms on a formula simplification that was a NOOP. DAG size: 194 [2020-09-25 03:06:51,613 WARN L193 SmtUtils]: Spent 292.00 ms on a formula simplification that was a NOOP. DAG size: 197 [2020-09-25 03:06:52,020 WARN L193 SmtUtils]: Spent 282.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-09-25 03:06:52,369 WARN L193 SmtUtils]: Spent 277.00 ms on a formula simplification that was a NOOP. DAG size: 193 [2020-09-25 03:06:52,801 WARN L193 SmtUtils]: Spent 291.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-09-25 03:06:53,131 WARN L193 SmtUtils]: Spent 289.00 ms on a formula simplification that was a NOOP. DAG size: 195 [2020-09-25 03:06:53,455 WARN L193 SmtUtils]: Spent 264.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-09-25 03:06:53,779 WARN L193 SmtUtils]: Spent 280.00 ms on a formula simplification that was a NOOP. DAG size: 193