/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=SMALLESTAMONGWIDE --traceabstraction.additional.smt.options tolerance=0.4 --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_spec2_product27.cil.c -------------------------------------------------------------------------------- This is Ultimate 0.1.25-c90d42b [2020-09-25 13:08:31,139 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-09-25 13:08:31,143 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-09-25 13:08:31,189 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-09-25 13:08:31,190 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-09-25 13:08:31,200 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-09-25 13:08:31,202 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-09-25 13:08:31,206 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-09-25 13:08:31,209 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-09-25 13:08:31,212 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-09-25 13:08:31,213 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-09-25 13:08:31,214 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-09-25 13:08:31,214 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-09-25 13:08:31,217 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-09-25 13:08:31,220 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-09-25 13:08:31,221 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-09-25 13:08:31,224 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-09-25 13:08:31,225 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-09-25 13:08:31,227 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-09-25 13:08:31,233 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-09-25 13:08:31,236 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-09-25 13:08:31,237 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-09-25 13:08:31,239 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-09-25 13:08:31,240 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-09-25 13:08:31,245 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-09-25 13:08:31,245 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-09-25 13:08:31,245 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-09-25 13:08:31,248 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-09-25 13:08:31,249 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-09-25 13:08:31,251 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-09-25 13:08:31,251 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-09-25 13:08:31,252 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-09-25 13:08:31,255 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-09-25 13:08:31,255 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-09-25 13:08:31,257 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-09-25 13:08:31,257 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-09-25 13:08:31,258 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-09-25 13:08:31,258 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-09-25 13:08:31,259 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-09-25 13:08:31,260 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-09-25 13:08:31,261 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-09-25 13:08:31,262 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 13:08:31,311 INFO L113 SettingsManager]: Loading preferences was successful [2020-09-25 13:08:31,311 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-09-25 13:08:31,314 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-09-25 13:08:31,314 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-09-25 13:08:31,314 INFO L138 SettingsManager]: * Use SBE=true [2020-09-25 13:08:31,314 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-09-25 13:08:31,315 INFO L138 SettingsManager]: * sizeof long=4 [2020-09-25 13:08:31,315 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-09-25 13:08:31,315 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-09-25 13:08:31,315 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-09-25 13:08:31,316 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-09-25 13:08:31,317 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-09-25 13:08:31,317 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-09-25 13:08:31,317 INFO L138 SettingsManager]: * sizeof long double=12 [2020-09-25 13:08:31,318 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-09-25 13:08:31,318 INFO L138 SettingsManager]: * Use constant arrays=true [2020-09-25 13:08:31,318 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-09-25 13:08:31,318 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-09-25 13:08:31,318 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-09-25 13:08:31,319 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-09-25 13:08:31,319 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-09-25 13:08:31,319 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-09-25 13:08:31,319 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-09-25 13:08:31,319 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-09-25 13:08:31,320 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-09-25 13:08:31,320 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-09-25 13:08:31,320 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-09-25 13:08:31,320 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-09-25 13:08:31,320 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-09-25 13:08:31,321 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=SMALLESTAMONGWIDE;tolerance=0.4;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=SMALLESTAMONGWIDE;tolerance=0.4;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=SMALLESTAMONGWIDE;tolerance=0.4;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=SMALLESTAMONGWIDE;tolerance=0.4;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=SMALLESTAMONGWIDE;tolerance=0.4;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=SMALLESTAMONGWIDE;tolerance=0.4;log-additional-information=true; [2020-09-25 13:08:31,741 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-09-25 13:08:31,758 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-09-25 13:08:31,762 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-09-25 13:08:31,764 INFO L271 PluginConnector]: Initializing CDTParser... [2020-09-25 13:08:31,764 INFO L275 PluginConnector]: CDTParser initialized [2020-09-25 13:08:31,765 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/product-lines/minepump_spec2_product27.cil.c [2020-09-25 13:08:31,852 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/2b13c5049/72544c3f86d341039b333ce27191d132/FLAGf3ca591ce [2020-09-25 13:08:32,402 INFO L306 CDTParser]: Found 1 translation units. [2020-09-25 13:08:32,403 INFO L160 CDTParser]: Scanning /storage/repos/ultimate-2/trunk/examples/svcomp/product-lines/minepump_spec2_product27.cil.c [2020-09-25 13:08:32,424 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/2b13c5049/72544c3f86d341039b333ce27191d132/FLAGf3ca591ce [2020-09-25 13:08:32,715 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/2b13c5049/72544c3f86d341039b333ce27191d132 [2020-09-25 13:08:32,728 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-09-25 13:08:32,733 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-09-25 13:08:32,734 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-09-25 13:08:32,734 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-09-25 13:08:32,738 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-09-25 13:08:32,739 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.09 01:08:32" (1/1) ... [2020-09-25 13:08:32,743 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@22f9cb9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 01:08:32, skipping insertion in model container [2020-09-25 13:08:32,744 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.09 01:08:32" (1/1) ... [2020-09-25 13:08:32,754 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-09-25 13:08:32,827 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-09-25 13:08:33,191 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-09-25 13:08:33,297 INFO L203 MainTranslator]: Completed pre-run [2020-09-25 13:08:33,381 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-09-25 13:08:33,420 INFO L208 MainTranslator]: Completed translation [2020-09-25 13:08:33,421 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 01:08:33 WrapperNode [2020-09-25 13:08:33,421 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-09-25 13:08:33,422 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-09-25 13:08:33,422 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-09-25 13:08:33,422 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-09-25 13:08:33,437 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 01:08:33" (1/1) ... [2020-09-25 13:08:33,437 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 01:08:33" (1/1) ... [2020-09-25 13:08:33,458 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 01:08:33" (1/1) ... [2020-09-25 13:08:33,458 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 01:08:33" (1/1) ... [2020-09-25 13:08:33,497 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 01:08:33" (1/1) ... [2020-09-25 13:08:33,509 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 01:08:33" (1/1) ... [2020-09-25 13:08:33,514 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 01:08:33" (1/1) ... [2020-09-25 13:08:33,522 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-09-25 13:08:33,522 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-09-25 13:08:33,523 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-09-25 13:08:33,523 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-09-25 13:08:33,524 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 01:08:33" (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 13:08:33,600 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-09-25 13:08:33,601 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-09-25 13:08:33,601 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~X~int~TO~int [2020-09-25 13:08:33,601 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_set [2020-09-25 13:08:33,601 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_free [2020-09-25 13:08:33,601 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_reset [2020-09-25 13:08:33,602 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__error_stack_mgt [2020-09-25 13:08:33,602 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_arg [2020-09-25 13:08:33,602 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_argtype [2020-09-25 13:08:33,602 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification2_spec__1 [2020-09-25 13:08:33,602 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification2_spec__2 [2020-09-25 13:08:33,603 INFO L138 BoogieDeclarations]: Found implementation of procedure lowerWaterLevel [2020-09-25 13:08:33,603 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2020-09-25 13:08:33,603 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2020-09-25 13:08:33,603 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2020-09-25 13:08:33,603 INFO L138 BoogieDeclarations]: Found implementation of procedure printEnvironment [2020-09-25 13:08:33,603 INFO L138 BoogieDeclarations]: Found implementation of procedure getWaterLevel [2020-09-25 13:08:33,604 INFO L138 BoogieDeclarations]: Found implementation of procedure isLowWaterSensorDry [2020-09-25 13:08:33,604 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2020-09-25 13:08:33,604 INFO L138 BoogieDeclarations]: Found implementation of procedure Specification2 [2020-09-25 13:08:33,604 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2020-09-25 13:08:33,605 INFO L138 BoogieDeclarations]: Found implementation of procedure runTest [2020-09-25 13:08:33,605 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-09-25 13:08:33,605 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2020-09-25 13:08:33,605 INFO L138 BoogieDeclarations]: Found implementation of procedure select_one [2020-09-25 13:08:33,605 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2020-09-25 13:08:33,605 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2020-09-25 13:08:33,605 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2020-09-25 13:08:33,606 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2020-09-25 13:08:33,606 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__base [2020-09-25 13:08:33,606 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment [2020-09-25 13:08:33,606 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump__wrappee__lowWaterSensor [2020-09-25 13:08:33,606 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump [2020-09-25 13:08:33,606 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivatePump [2020-09-25 13:08:33,607 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneAlarm [2020-09-25 13:08:33,607 INFO L138 BoogieDeclarations]: Found implementation of procedure isPumpRunning [2020-09-25 13:08:33,607 INFO L138 BoogieDeclarations]: Found implementation of procedure printPump [2020-09-25 13:08:33,607 INFO L138 BoogieDeclarations]: Found implementation of procedure isLowWaterLevel [2020-09-25 13:08:33,607 INFO L138 BoogieDeclarations]: Found implementation of procedure stopSystem [2020-09-25 13:08:33,607 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2020-09-25 13:08:33,608 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2020-09-25 13:08:33,608 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2020-09-25 13:08:33,608 INFO L130 BoogieDeclarations]: Found specification of procedure printf [2020-09-25 13:08:33,608 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2020-09-25 13:08:33,608 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2020-09-25 13:08:33,608 INFO L130 BoogieDeclarations]: Found specification of procedure free [2020-09-25 13:08:33,608 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_set [2020-09-25 13:08:33,609 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2020-09-25 13:08:33,609 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2020-09-25 13:08:33,609 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-09-25 13:08:33,609 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2020-09-25 13:08:33,609 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_free [2020-09-25 13:08:33,609 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-09-25 13:08:33,610 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_reset [2020-09-25 13:08:33,610 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~X~int~TO~int [2020-09-25 13:08:33,610 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2020-09-25 13:08:33,610 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__error_stack_mgt [2020-09-25 13:08:33,610 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_arg [2020-09-25 13:08:33,610 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-09-25 13:08:33,611 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_argtype [2020-09-25 13:08:33,611 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2020-09-25 13:08:33,611 INFO L130 BoogieDeclarations]: Found specification of procedure isPumpRunning [2020-09-25 13:08:33,611 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2020-09-25 13:08:33,611 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification2_spec__1 [2020-09-25 13:08:33,611 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification2_spec__2 [2020-09-25 13:08:33,612 INFO L130 BoogieDeclarations]: Found specification of procedure lowerWaterLevel [2020-09-25 13:08:33,612 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2020-09-25 13:08:33,612 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2020-09-25 13:08:33,612 INFO L130 BoogieDeclarations]: Found specification of procedure getWaterLevel [2020-09-25 13:08:33,612 INFO L130 BoogieDeclarations]: Found specification of procedure printEnvironment [2020-09-25 13:08:33,612 INFO L130 BoogieDeclarations]: Found specification of procedure isLowWaterSensorDry [2020-09-25 13:08:33,612 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2020-09-25 13:08:33,613 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2020-09-25 13:08:33,613 INFO L130 BoogieDeclarations]: Found specification of procedure printPump [2020-09-25 13:08:33,613 INFO L130 BoogieDeclarations]: Found specification of procedure Specification2 [2020-09-25 13:08:33,613 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2020-09-25 13:08:33,613 INFO L130 BoogieDeclarations]: Found specification of procedure test [2020-09-25 13:08:33,613 INFO L130 BoogieDeclarations]: Found specification of procedure runTest [2020-09-25 13:08:33,614 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2020-09-25 13:08:33,614 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2020-09-25 13:08:33,614 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2020-09-25 13:08:33,614 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-09-25 13:08:33,614 INFO L130 BoogieDeclarations]: Found specification of procedure stopSystem [2020-09-25 13:08:33,614 INFO L130 BoogieDeclarations]: Found specification of procedure select_one [2020-09-25 13:08:33,615 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump [2020-09-25 13:08:33,615 INFO L130 BoogieDeclarations]: Found specification of procedure deactivatePump [2020-09-25 13:08:33,615 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment [2020-09-25 13:08:33,615 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__base [2020-09-25 13:08:33,615 INFO L130 BoogieDeclarations]: Found specification of procedure isLowWaterLevel [2020-09-25 13:08:33,616 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump__wrappee__lowWaterSensor [2020-09-25 13:08:33,616 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneAlarm [2020-09-25 13:08:33,616 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-09-25 13:08:33,616 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-09-25 13:08:33,616 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-09-25 13:08:34,763 INFO L290 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-09-25 13:08:34,763 INFO L295 CfgBuilder]: Removed 5 assume(true) statements. [2020-09-25 13:08:34,775 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.09 01:08:34 BoogieIcfgContainer [2020-09-25 13:08:34,775 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-09-25 13:08:34,777 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-09-25 13:08:34,777 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-09-25 13:08:34,781 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-09-25 13:08:34,781 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 25.09 01:08:32" (1/3) ... [2020-09-25 13:08:34,783 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6cfb9920 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 25.09 01:08:34, skipping insertion in model container [2020-09-25 13:08:34,783 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 01:08:33" (2/3) ... [2020-09-25 13:08:34,784 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6cfb9920 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 25.09 01:08:34, skipping insertion in model container [2020-09-25 13:08:34,784 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.09 01:08:34" (3/3) ... [2020-09-25 13:08:34,786 INFO L109 eAbstractionObserver]: Analyzing ICFG minepump_spec2_product27.cil.c [2020-09-25 13:08:34,798 INFO L157 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:Craig_NestedInterpolation Determinization: PREDICATE_ABSTRACTION [2020-09-25 13:08:34,811 INFO L169 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-09-25 13:08:34,831 INFO L251 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-09-25 13:08:34,861 INFO L375 AbstractCegarLoop]: Interprodecural is true [2020-09-25 13:08:34,861 INFO L376 AbstractCegarLoop]: Hoare is true [2020-09-25 13:08:34,862 INFO L377 AbstractCegarLoop]: Compute interpolants for Craig_NestedInterpolation [2020-09-25 13:08:34,862 INFO L378 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-09-25 13:08:34,862 INFO L379 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-09-25 13:08:34,862 INFO L380 AbstractCegarLoop]: Difference is false [2020-09-25 13:08:34,862 INFO L381 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-09-25 13:08:34,862 INFO L385 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-09-25 13:08:34,887 INFO L276 IsEmpty]: Start isEmpty. Operand 306 states. [2020-09-25 13:08:34,905 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 149 [2020-09-25 13:08:34,906 INFO L414 BasicCegarLoop]: Found error trace [2020-09-25 13:08:34,907 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-09-25 13:08:34,908 INFO L427 AbstractCegarLoop]: === Iteration 1 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-25 13:08:34,915 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-25 13:08:34,916 INFO L82 PathProgramCache]: Analyzing trace with hash -814474831, now seen corresponding path program 1 times [2020-09-25 13:08:34,926 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-25 13:08:34,926 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [556479496] [2020-09-25 13:08:34,927 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-25 13:08:35,277 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 13:08:35,414 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 13:08:35,637 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 13:08:36,947 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 13:08:37,989 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 13:08:38,711 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 13:08:40,303 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 13:08:40,304 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 181 [2020-09-25 13:08:40,305 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 5 [2020-09-25 13:08:40,305 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5017 [2020-09-25 13:08:40,310 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 13:08:40,310 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-09-25 13:08:40,311 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 8 [2020-09-25 13:08:40,311 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 83 [2020-09-25 13:08:40,311 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 64 [2020-09-25 13:08:40,311 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 6 [2020-09-25 13:08:40,892 WARN L193 SmtUtils]: Spent 392.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-09-25 13:08:40,895 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-25 13:08:40,936 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 13:08:40,976 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 13:08:41,237 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 13:08:41,237 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 86 [2020-09-25 13:08:41,237 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 13:08:41,237 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 299 [2020-09-25 13:08:41,238 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 13:08:41,239 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-09-25 13:08:41,239 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 13:08:41,239 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 13:08:41,240 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 79 [2020-09-25 13:08:41,240 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 2 [2020-09-25 13:08:41,317 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2020-09-25 13:08:41,318 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 13:08:41,320 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 13:08:41,323 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 13:08:41,324 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 13:08:41,324 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 13:08:41,324 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-09-25 13:08:41,324 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 13:08:41,324 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-09-25 13:08:41,325 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 13:08:41,325 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 13:08:41,325 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-25 13:08:41,325 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 13:08:41,327 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2020-09-25 13:08:41,328 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 13:08:41,330 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 13:08:41,333 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 13:08:41,334 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 13:08:41,334 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 13:08:41,334 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-09-25 13:08:41,334 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 13:08:41,335 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-09-25 13:08:41,335 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 13:08:41,335 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 13:08:41,335 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-25 13:08:41,335 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 13:08:41,337 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2020-09-25 13:08:41,338 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 13:08:41,340 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 13:08:41,348 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 13:08:41,348 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 13:08:41,349 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 13:08:41,349 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 9 [2020-09-25 13:08:41,349 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 13:08:41,349 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-09-25 13:08:41,350 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 13:08:41,350 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 13:08:41,350 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-09-25 13:08:41,350 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 13:08:41,352 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2020-09-25 13:08:41,353 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 13:08:41,355 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 13:08:41,357 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 13:08:41,357 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 13:08:41,358 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 13:08:41,358 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-25 13:08:41,358 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 13:08:41,358 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-09-25 13:08:41,358 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 13:08:41,359 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 13:08:41,359 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-25 13:08:41,359 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 13:08:41,369 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2020-09-25 13:08:41,370 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 13:08:41,372 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 13:08:41,376 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 13:08:41,376 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-25 13:08:41,376 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 13:08:41,377 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-09-25 13:08:41,377 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 13:08:41,377 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-09-25 13:08:41,377 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 13:08:41,377 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 13:08:41,378 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-09-25 13:08:41,378 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 13:08:41,380 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 125 [2020-09-25 13:08:41,381 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 13:08:41,382 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 13:08:41,384 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 13:08:41,384 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 13:08:41,384 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 13:08:41,384 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-25 13:08:41,385 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 13:08:41,385 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-09-25 13:08:41,385 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 13:08:41,385 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-09-25 13:08:41,386 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 13:08:41,386 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 13:08:41,388 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2020-09-25 13:08:41,389 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 13:08:41,390 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 13:08:41,392 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 13:08:41,392 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 13:08:41,392 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 13:08:41,392 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-25 13:08:41,393 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 13:08:41,393 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-09-25 13:08:41,393 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 13:08:41,393 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-09-25 13:08:41,394 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 13:08:41,394 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 13:08:41,423 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-09-25 13:08:41,424 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [556479496] [2020-09-25 13:08:41,426 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-25 13:08:41,427 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2020-09-25 13:08:41,428 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [926027365] [2020-09-25 13:08:41,434 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-09-25 13:08:41,435 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-25 13:08:41,453 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-09-25 13:08:41,454 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-09-25 13:08:41,456 INFO L87 Difference]: Start difference. First operand 306 states. Second operand 5 states. [2020-09-25 13:08:42,095 WARN L193 SmtUtils]: Spent 280.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-25 13:08:43,905 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-25 13:08:43,906 INFO L93 Difference]: Finished difference Result 586 states and 709 transitions. [2020-09-25 13:08:43,907 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2020-09-25 13:08:43,908 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 148 [2020-09-25 13:08:43,909 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-25 13:08:43,929 INFO L225 Difference]: With dead ends: 586 [2020-09-25 13:08:43,929 INFO L226 Difference]: Without dead ends: 420 [2020-09-25 13:08:43,936 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 25 GetRequests, 18 SyntacticMatches, 2 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.7s TimeCoverageRelationStatistics Valid=18, Invalid=24, Unknown=0, NotChecked=0, Total=42 [2020-09-25 13:08:43,960 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 420 states. [2020-09-25 13:08:44,074 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 420 to 357. [2020-09-25 13:08:44,076 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 357 states. [2020-09-25 13:08:44,079 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 357 states to 357 states and 398 transitions. [2020-09-25 13:08:44,081 INFO L78 Accepts]: Start accepts. Automaton has 357 states and 398 transitions. Word has length 148 [2020-09-25 13:08:44,082 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-25 13:08:44,083 INFO L479 AbstractCegarLoop]: Abstraction has 357 states and 398 transitions. [2020-09-25 13:08:44,083 INFO L480 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-09-25 13:08:44,083 INFO L276 IsEmpty]: Start isEmpty. Operand 357 states and 398 transitions. [2020-09-25 13:08:44,088 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 158 [2020-09-25 13:08:44,088 INFO L414 BasicCegarLoop]: Found error trace [2020-09-25 13:08:44,088 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-09-25 13:08:44,089 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-09-25 13:08:44,089 INFO L427 AbstractCegarLoop]: === Iteration 2 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-25 13:08:44,089 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-25 13:08:44,089 INFO L82 PathProgramCache]: Analyzing trace with hash -38560683, now seen corresponding path program 1 times [2020-09-25 13:08:44,090 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-25 13:08:44,090 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1532328313] [2020-09-25 13:08:44,090 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-25 13:08:44,159 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 13:08:44,223 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 13:08:44,472 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 13:08:45,299 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 13:08:45,476 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 13:08:46,354 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 13:08:49,177 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 13:08:49,178 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 194 [2020-09-25 13:08:49,178 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 5 [2020-09-25 13:08:49,178 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5014 [2020-09-25 13:08:49,179 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 13:08:49,179 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-09-25 13:08:49,179 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 10 [2020-09-25 13:08:49,179 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 124 [2020-09-25 13:08:49,179 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 66 [2020-09-25 13:08:49,180 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 13:08:49,548 WARN L193 SmtUtils]: Spent 281.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-09-25 13:08:49,550 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-25 13:08:49,557 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 13:08:49,565 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 13:08:49,654 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 13:08:49,654 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 86 [2020-09-25 13:08:49,654 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 13:08:49,655 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 96 [2020-09-25 13:08:49,655 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 13:08:49,655 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-09-25 13:08:49,655 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 13:08:49,655 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 13:08:49,656 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 13:08:49,656 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 13:08:49,687 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2020-09-25 13:08:49,687 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 13:08:49,688 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 13:08:49,690 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 13:08:49,690 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 13:08:49,690 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 13:08:49,690 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-25 13:08:49,691 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 13:08:49,691 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-09-25 13:08:49,691 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 13:08:49,691 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 13:08:49,691 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 13:08:49,692 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 13:08:49,693 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2020-09-25 13:08:49,693 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 13:08:49,694 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 13:08:49,695 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 13:08:49,696 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 13:08:49,696 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 13:08:49,696 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-25 13:08:49,696 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 13:08:49,697 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-09-25 13:08:49,697 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 13:08:49,697 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 13:08:49,697 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 13:08:49,697 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 13:08:49,698 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2020-09-25 13:08:49,699 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 13:08:49,700 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 13:08:49,703 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 13:08:49,704 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 13:08:49,704 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 13:08:49,704 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-09-25 13:08:49,705 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 13:08:49,705 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-09-25 13:08:49,705 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 13:08:49,705 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 13:08:49,705 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 13:08:49,706 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 13:08:49,707 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2020-09-25 13:08:49,708 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 13:08:49,708 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 13:08:49,710 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 13:08:49,710 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 13:08:49,710 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 13:08:49,710 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-25 13:08:49,711 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 13:08:49,711 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-09-25 13:08:49,711 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 13:08:49,711 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 13:08:49,711 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 13:08:49,712 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 13:08:49,724 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2020-09-25 13:08:49,725 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 13:08:49,726 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 13:08:49,728 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 13:08:49,729 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-25 13:08:49,729 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 13:08:49,729 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-25 13:08:49,729 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 13:08:49,730 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-09-25 13:08:49,730 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 13:08:49,730 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 13:08:49,730 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-09-25 13:08:49,730 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 13:08:49,740 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 123 [2020-09-25 13:08:49,741 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 13:08:49,743 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 13:08:49,745 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 13:08:49,746 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 15 [2020-09-25 13:08:49,746 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 13:08:49,746 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-25 13:08:49,746 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 13:08:49,747 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-09-25 13:08:49,747 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 13:08:49,747 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 13:08:49,747 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 11 [2020-09-25 13:08:49,747 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 13:08:49,749 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-25 13:08:49,750 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 13:08:49,751 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 13:08:49,752 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 13:08:49,752 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 13:08:49,752 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 13:08:49,753 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-25 13:08:49,753 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 13:08:49,753 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-09-25 13:08:49,753 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 13:08:49,754 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 13:08:49,754 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 13:08:49,754 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 13:08:49,755 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 134 [2020-09-25 13:08:49,756 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 13:08:49,758 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 13:08:49,760 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 13:08:49,760 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 13:08:49,760 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 13:08:49,761 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-25 13:08:49,761 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 13:08:49,761 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-09-25 13:08:49,761 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 13:08:49,761 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 13:08:49,762 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-09-25 13:08:49,762 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 13:08:49,764 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 144 [2020-09-25 13:08:49,765 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 13:08:49,766 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 13:08:49,769 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 13:08:49,769 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 13:08:49,769 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 13:08:49,770 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-25 13:08:49,770 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 13:08:49,770 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-09-25 13:08:49,770 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 13:08:49,770 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 13:08:49,771 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-09-25 13:08:49,771 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 13:08:49,800 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-09-25 13:08:49,800 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1532328313] [2020-09-25 13:08:49,800 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-25 13:08:49,801 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2020-09-25 13:08:49,801 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [585022603] [2020-09-25 13:08:49,803 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2020-09-25 13:08:49,803 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-25 13:08:49,804 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2020-09-25 13:08:49,804 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2020-09-25 13:08:49,804 INFO L87 Difference]: Start difference. First operand 357 states and 398 transitions. Second operand 6 states. [2020-09-25 13:08:50,375 WARN L193 SmtUtils]: Spent 285.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-25 13:08:52,930 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-25 13:08:52,931 INFO L93 Difference]: Finished difference Result 934 states and 1259 transitions. [2020-09-25 13:08:52,933 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2020-09-25 13:08:52,933 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 157 [2020-09-25 13:08:52,934 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-25 13:08:52,949 INFO L225 Difference]: With dead ends: 934 [2020-09-25 13:08:52,949 INFO L226 Difference]: Without dead ends: 931 [2020-09-25 13:08:52,951 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 36 GetRequests, 27 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=42, Invalid=68, Unknown=0, NotChecked=0, Total=110 [2020-09-25 13:08:52,953 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 931 states. [2020-09-25 13:08:53,150 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 931 to 602. [2020-09-25 13:08:53,151 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 602 states. [2020-09-25 13:08:53,155 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 602 states to 602 states and 695 transitions. [2020-09-25 13:08:53,155 INFO L78 Accepts]: Start accepts. Automaton has 602 states and 695 transitions. Word has length 157 [2020-09-25 13:08:53,156 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-25 13:08:53,156 INFO L479 AbstractCegarLoop]: Abstraction has 602 states and 695 transitions. [2020-09-25 13:08:53,156 INFO L480 AbstractCegarLoop]: Interpolant automaton has 6 states. [2020-09-25 13:08:53,157 INFO L276 IsEmpty]: Start isEmpty. Operand 602 states and 695 transitions. [2020-09-25 13:08:53,163 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 212 [2020-09-25 13:08:53,163 INFO L414 BasicCegarLoop]: Found error trace [2020-09-25 13:08:53,164 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 13:08:53,164 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-09-25 13:08:53,164 INFO L427 AbstractCegarLoop]: === Iteration 3 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-25 13:08:53,164 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-25 13:08:53,165 INFO L82 PathProgramCache]: Analyzing trace with hash -1020697170, now seen corresponding path program 1 times [2020-09-25 13:08:53,165 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-25 13:08:53,165 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1728678133] [2020-09-25 13:08:53,165 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-25 13:08:53,214 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 13:08:53,272 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 13:08:53,446 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 13:08:53,565 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 13:08:54,016 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 13:08:54,158 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 13:08:56,255 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 13:08:57,109 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 13:08:58,284 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 13:08:58,284 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 260 [2020-09-25 13:08:58,285 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 7 [2020-09-25 13:08:58,285 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5067 [2020-09-25 13:08:58,285 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 13:08:58,286 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-09-25 13:08:58,288 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 13:08:58,288 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 135 [2020-09-25 13:08:58,289 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 69 [2020-09-25 13:08:58,289 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 3 [2020-09-25 13:08:58,716 WARN L193 SmtUtils]: Spent 289.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-09-25 13:08:58,717 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-25 13:08:58,726 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 13:08:58,738 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 13:08:58,889 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 13:08:58,889 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 86 [2020-09-25 13:08:58,890 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 13:08:58,890 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 160 [2020-09-25 13:08:58,890 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 13:08:58,890 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-09-25 13:08:58,890 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 13:08:58,891 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 13:08:58,891 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 13:08:58,892 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 13:08:58,922 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2020-09-25 13:08:58,922 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 13:08:58,923 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 13:08:58,925 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 13:08:58,925 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 13:08:58,925 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 13:08:58,925 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-25 13:08:58,925 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 13:08:58,926 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-09-25 13:08:58,926 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 13:08:58,926 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 13:08:58,926 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 13:08:58,926 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 13:08:58,928 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2020-09-25 13:08:58,928 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 13:08:58,929 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 13:08:58,932 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 13:08:58,932 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 13:08:58,933 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 13:08:58,933 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-25 13:08:58,933 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 13:08:58,933 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-09-25 13:08:58,933 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 13:08:58,934 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 13:08:58,934 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 13:08:58,934 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 13:08:58,935 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2020-09-25 13:08:58,936 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 13:08:58,937 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 13:08:58,941 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 13:08:58,942 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 13:08:58,942 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 13:08:58,942 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-09-25 13:08:58,942 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 13:08:58,943 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-09-25 13:08:58,943 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 13:08:58,943 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 13:08:58,943 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 13:08:58,943 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 13:08:58,945 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2020-09-25 13:08:58,945 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 13:08:58,946 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 13:08:58,949 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 13:08:58,949 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 13:08:58,949 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 13:08:58,949 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-25 13:08:58,950 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 13:08:58,950 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-09-25 13:08:58,950 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 13:08:58,950 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 13:08:58,950 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 13:08:58,951 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 13:08:58,959 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2020-09-25 13:08:58,959 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 13:08:58,961 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 13:08:58,962 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 13:08:58,962 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-25 13:08:58,962 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 13:08:58,962 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-25 13:08:58,962 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 13:08:58,963 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-09-25 13:08:58,963 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 13:08:58,963 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 13:08:58,963 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 13:08:58,963 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 13:08:58,976 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 129 [2020-09-25 13:08:58,980 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 13:08:58,986 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 13:08:59,015 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 13:08:59,090 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 13:08:59,279 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 13:08:59,279 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 55 [2020-09-25 13:08:59,279 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-09-25 13:08:59,280 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 297 [2020-09-25 13:08:59,280 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 13:08:59,280 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-09-25 13:08:59,281 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 13:08:59,281 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 13:08:59,281 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 51 [2020-09-25 13:08:59,282 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 13:08:59,302 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-25 13:08:59,303 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 13:08:59,305 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 13:08:59,307 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 13:08:59,307 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 15 [2020-09-25 13:08:59,307 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 13:08:59,308 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-25 13:08:59,308 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 13:08:59,309 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-09-25 13:08:59,309 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 13:08:59,309 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 13:08:59,310 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 13:08:59,310 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 13:08:59,312 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-25 13:08:59,312 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 13:08:59,315 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 13:08:59,316 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 13:08:59,317 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 13:08:59,317 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 13:08:59,317 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-25 13:08:59,318 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 13:08:59,318 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-09-25 13:08:59,319 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 13:08:59,319 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 13:08:59,319 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 13:08:59,320 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 13:08:59,321 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-09-25 13:08:59,323 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 13:08:59,325 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 13:08:59,352 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 13:08:59,352 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 36 [2020-09-25 13:08:59,353 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 13:08:59,353 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 28 [2020-09-25 13:08:59,353 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 13:08:59,354 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-09-25 13:08:59,354 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 13:08:59,354 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 13:08:59,355 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 13:08:59,355 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 13:08:59,365 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-25 13:08:59,366 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 13:08:59,367 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 13:08:59,369 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 13:08:59,369 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 13:08:59,370 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 13:08:59,370 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-25 13:08:59,371 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 13:08:59,371 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-09-25 13:08:59,371 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 13:08:59,372 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 13:08:59,372 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 13:08:59,372 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 13:08:59,375 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-09-25 13:08:59,376 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 13:08:59,378 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 13:08:59,379 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 13:08:59,380 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 13:08:59,380 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 13:08:59,380 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-25 13:08:59,381 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 13:08:59,381 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-09-25 13:08:59,382 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 13:08:59,382 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 13:08:59,382 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 13:08:59,383 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 13:08:59,387 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 177 [2020-09-25 13:08:59,389 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 13:08:59,391 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 13:08:59,393 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 13:08:59,393 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 15 [2020-09-25 13:08:59,393 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 13:08:59,394 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-25 13:08:59,394 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 13:08:59,395 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-09-25 13:08:59,395 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 13:08:59,395 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 12 [2020-09-25 13:08:59,396 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 13:08:59,396 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 13:08:59,398 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-25 13:08:59,399 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 13:08:59,400 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 13:08:59,402 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 13:08:59,402 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 13:08:59,402 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 13:08:59,403 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-25 13:08:59,403 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 13:08:59,403 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-09-25 13:08:59,404 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 13:08:59,404 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 13:08:59,404 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 13:08:59,405 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 13:08:59,407 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 188 [2020-09-25 13:08:59,408 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 13:08:59,409 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 13:08:59,411 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 13:08:59,411 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 13:08:59,412 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 13:08:59,412 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-25 13:08:59,412 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 13:08:59,413 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-09-25 13:08:59,413 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 13:08:59,413 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-09-25 13:08:59,414 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 13:08:59,414 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 13:08:59,416 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 198 [2020-09-25 13:08:59,417 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 13:08:59,419 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 13:08:59,420 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 13:08:59,421 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 13:08:59,421 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 13:08:59,421 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-25 13:08:59,422 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 13:08:59,422 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-09-25 13:08:59,422 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 13:08:59,423 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-09-25 13:08:59,423 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 13:08:59,423 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 13:08:59,512 INFO L134 CoverageAnalysis]: Checked inductivity of 36 backedges. 17 proven. 0 refuted. 0 times theorem prover too weak. 19 trivial. 0 not checked. [2020-09-25 13:08:59,513 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1728678133] [2020-09-25 13:08:59,514 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-25 13:08:59,514 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2020-09-25 13:08:59,516 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1848464107] [2020-09-25 13:08:59,517 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-09-25 13:08:59,518 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-25 13:08:59,518 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-09-25 13:08:59,519 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=26, Unknown=0, NotChecked=0, Total=42 [2020-09-25 13:08:59,519 INFO L87 Difference]: Start difference. First operand 602 states and 695 transitions. Second operand 7 states. [2020-09-25 13:09:00,295 WARN L193 SmtUtils]: Spent 207.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-09-25 13:09:01,561 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-25 13:09:01,561 INFO L93 Difference]: Finished difference Result 1107 states and 1361 transitions. [2020-09-25 13:09:01,562 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2020-09-25 13:09:01,562 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 211 [2020-09-25 13:09:01,563 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-25 13:09:01,568 INFO L225 Difference]: With dead ends: 1107 [2020-09-25 13:09:01,568 INFO L226 Difference]: Without dead ends: 758 [2020-09-25 13:09:01,571 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 42 GetRequests, 31 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 17 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=60, Invalid=96, Unknown=0, NotChecked=0, Total=156 [2020-09-25 13:09:01,573 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 758 states. [2020-09-25 13:09:01,651 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 758 to 562. [2020-09-25 13:09:01,651 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 562 states. [2020-09-25 13:09:01,654 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 562 states to 562 states and 635 transitions. [2020-09-25 13:09:01,655 INFO L78 Accepts]: Start accepts. Automaton has 562 states and 635 transitions. Word has length 211 [2020-09-25 13:09:01,655 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-25 13:09:01,655 INFO L479 AbstractCegarLoop]: Abstraction has 562 states and 635 transitions. [2020-09-25 13:09:01,656 INFO L480 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-09-25 13:09:01,656 INFO L276 IsEmpty]: Start isEmpty. Operand 562 states and 635 transitions. [2020-09-25 13:09:01,659 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 214 [2020-09-25 13:09:01,660 INFO L414 BasicCegarLoop]: Found error trace [2020-09-25 13:09:01,660 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 13:09:01,660 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-09-25 13:09:01,661 INFO L427 AbstractCegarLoop]: === Iteration 4 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-25 13:09:01,661 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-25 13:09:01,661 INFO L82 PathProgramCache]: Analyzing trace with hash -1776952738, now seen corresponding path program 1 times [2020-09-25 13:09:01,661 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-25 13:09:01,661 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1968691862] [2020-09-25 13:09:01,662 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-25 13:09:01,709 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 13:09:01,764 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 13:09:01,898 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 13:09:02,054 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 13:09:02,208 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 13:09:05,656 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 13:09:06,724 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 13:09:06,724 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 254 [2020-09-25 13:09:06,724 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 5 [2020-09-25 13:09:06,724 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5012 [2020-09-25 13:09:06,724 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 13:09:06,724 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-09-25 13:09:06,725 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 12 [2020-09-25 13:09:06,725 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 80 [2020-09-25 13:09:06,725 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 103 [2020-09-25 13:09:06,725 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 13:09:07,107 WARN L193 SmtUtils]: Spent 276.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-09-25 13:09:07,108 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-25 13:09:07,149 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 13:09:07,193 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 13:09:07,465 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 13:09:07,466 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 86 [2020-09-25 13:09:07,466 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 13:09:07,466 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 314 [2020-09-25 13:09:07,467 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 13:09:07,467 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-09-25 13:09:07,467 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 13:09:07,468 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 13:09:07,468 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 76 [2020-09-25 13:09:07,468 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 13:09:07,527 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2020-09-25 13:09:07,528 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 13:09:07,530 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 13:09:07,533 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 13:09:07,533 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 13:09:07,533 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 13:09:07,534 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-25 13:09:07,534 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 13:09:07,534 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-09-25 13:09:07,535 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 13:09:07,535 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 13:09:07,535 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-25 13:09:07,536 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 13:09:07,537 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2020-09-25 13:09:07,538 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 13:09:07,540 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 13:09:07,546 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 13:09:07,546 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 13:09:07,546 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 13:09:07,547 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-09-25 13:09:07,547 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 13:09:07,548 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-09-25 13:09:07,548 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 13:09:07,548 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 13:09:07,549 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-25 13:09:07,549 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 13:09:07,553 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2020-09-25 13:09:07,554 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 13:09:07,556 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 13:09:07,565 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 13:09:07,565 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 13:09:07,565 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 13:09:07,566 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 9 [2020-09-25 13:09:07,566 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 13:09:07,566 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-09-25 13:09:07,567 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 13:09:07,567 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 13:09:07,567 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-09-25 13:09:07,568 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 13:09:07,570 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2020-09-25 13:09:07,573 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 13:09:07,576 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 13:09:07,580 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 13:09:07,581 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 13:09:07,581 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 13:09:07,581 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-09-25 13:09:07,582 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 13:09:07,582 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-09-25 13:09:07,582 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 13:09:07,583 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 13:09:07,583 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-25 13:09:07,583 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 13:09:07,597 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2020-09-25 13:09:07,598 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 13:09:07,600 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 13:09:07,607 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 13:09:07,608 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-25 13:09:07,608 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 13:09:07,608 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 8 [2020-09-25 13:09:07,609 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 13:09:07,609 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-09-25 13:09:07,609 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 13:09:07,610 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 13:09:07,610 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-09-25 13:09:07,610 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 13:09:07,623 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 133 [2020-09-25 13:09:07,625 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 13:09:07,631 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 13:09:07,635 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 13:09:07,635 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-09-25 13:09:07,636 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 13:09:07,636 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 8 [2020-09-25 13:09:07,636 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 13:09:07,637 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-09-25 13:09:07,637 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 13:09:07,637 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 13:09:07,638 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-09-25 13:09:07,638 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 13:09:07,660 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 138 [2020-09-25 13:09:07,665 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 13:09:07,674 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 13:09:07,721 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 13:09:07,916 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 13:09:07,917 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 43 [2020-09-25 13:09:07,917 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-09-25 13:09:07,917 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 249 [2020-09-25 13:09:07,917 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 13:09:07,917 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-09-25 13:09:07,918 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-09-25 13:09:07,918 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 3 [2020-09-25 13:09:07,918 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 31 [2020-09-25 13:09:07,918 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 13:09:07,932 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-25 13:09:07,937 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 13:09:07,948 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 13:09:07,995 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 13:09:07,995 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 36 [2020-09-25 13:09:07,996 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 13:09:07,996 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 56 [2020-09-25 13:09:07,996 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 13:09:07,996 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-09-25 13:09:07,996 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-09-25 13:09:07,997 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 21 [2020-09-25 13:09:07,997 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 13 [2020-09-25 13:09:07,997 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 13:09:08,056 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-25 13:09:08,057 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 13:09:08,058 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 13:09:08,059 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 13:09:08,059 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 13:09:08,060 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 13:09:08,060 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-25 13:09:08,060 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 13:09:08,060 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-09-25 13:09:08,061 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 13:09:08,061 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 13:09:08,061 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 13:09:08,061 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 13:09:08,063 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-09-25 13:09:08,064 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 13:09:08,066 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 13:09:08,071 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 13:09:08,072 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 13:09:08,072 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 13:09:08,072 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-09-25 13:09:08,072 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 13:09:08,073 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-09-25 13:09:08,073 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-09-25 13:09:08,073 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 13:09:08,073 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-09-25 13:09:08,073 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 13:09:08,114 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 190 [2020-09-25 13:09:08,115 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 13:09:08,117 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 13:09:08,118 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 13:09:08,118 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 13:09:08,118 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 13:09:08,118 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-25 13:09:08,119 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 13:09:08,119 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-09-25 13:09:08,119 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 13:09:08,119 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-09-25 13:09:08,119 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 13:09:08,120 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 13:09:08,121 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 200 [2020-09-25 13:09:08,122 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 13:09:08,123 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 13:09:08,124 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 13:09:08,125 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 13:09:08,125 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 13:09:08,125 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-25 13:09:08,125 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 13:09:08,126 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-09-25 13:09:08,126 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 13:09:08,126 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-09-25 13:09:08,126 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 13:09:08,126 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 13:09:08,200 INFO L134 CoverageAnalysis]: Checked inductivity of 41 backedges. 31 proven. 3 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2020-09-25 13:09:08,201 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1968691862] [2020-09-25 13:09:08,201 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-09-25 13:09:08,201 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [13] total 13 [2020-09-25 13:09:08,202 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [830249372] [2020-09-25 13:09:08,202 INFO L459 AbstractCegarLoop]: Interpolant automaton has 13 states [2020-09-25 13:09:08,202 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-25 13:09:08,203 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2020-09-25 13:09:08,204 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=31, Invalid=125, Unknown=0, NotChecked=0, Total=156 [2020-09-25 13:09:08,204 INFO L87 Difference]: Start difference. First operand 562 states and 635 transitions. Second operand 13 states. [2020-09-25 13:09:08,894 WARN L193 SmtUtils]: Spent 296.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-25 13:09:09,917 WARN L193 SmtUtils]: Spent 277.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-25 13:09:11,131 WARN L193 SmtUtils]: Spent 596.00 ms on a formula simplification. DAG size of input: 195 DAG size of output: 193 [2020-09-25 13:09:11,763 WARN L193 SmtUtils]: Spent 578.00 ms on a formula simplification. DAG size of input: 198 DAG size of output: 195 [2020-09-25 13:09:12,452 WARN L193 SmtUtils]: Spent 577.00 ms on a formula simplification. DAG size of input: 198 DAG size of output: 193 [2020-09-25 13:09:13,046 WARN L193 SmtUtils]: Spent 529.00 ms on a formula simplification. DAG size of input: 193 DAG size of output: 191 [2020-09-25 13:09:13,706 WARN L193 SmtUtils]: Spent 613.00 ms on a formula simplification. DAG size of input: 201 DAG size of output: 195 [2020-09-25 13:09:14,290 WARN L193 SmtUtils]: Spent 545.00 ms on a formula simplification. DAG size of input: 196 DAG size of output: 193 [2020-09-25 13:09:14,850 WARN L193 SmtUtils]: Spent 530.00 ms on a formula simplification. DAG size of input: 198 DAG size of output: 193 [2020-09-25 13:09:15,453 WARN L193 SmtUtils]: Spent 530.00 ms on a formula simplification. DAG size of input: 196 DAG size of output: 191 [2020-09-25 13:09:16,162 WARN L193 SmtUtils]: Spent 601.00 ms on a formula simplification. DAG size of input: 199 DAG size of output: 193 [2020-09-25 13:09:16,736 WARN L193 SmtUtils]: Spent 526.00 ms on a formula simplification. DAG size of input: 196 DAG size of output: 191 [2020-09-25 13:09:17,352 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-25 13:09:17,353 INFO L93 Difference]: Finished difference Result 925 states and 1119 transitions. [2020-09-25 13:09:17,353 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 32 states. [2020-09-25 13:09:17,353 INFO L78 Accepts]: Start accepts. Automaton has 13 states. Word has length 213 [2020-09-25 13:09:17,354 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-25 13:09:17,354 INFO L225 Difference]: With dead ends: 925 [2020-09-25 13:09:17,354 INFO L226 Difference]: Without dead ends: 0 [2020-09-25 13:09:17,358 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 70 GetRequests, 32 SyntacticMatches, 0 SemanticMatches, 38 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 385 ImplicationChecksByTransitivity, 7.1s TimeCoverageRelationStatistics Valid=405, Invalid=1155, Unknown=0, NotChecked=0, Total=1560 [2020-09-25 13:09:17,358 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2020-09-25 13:09:17,358 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2020-09-25 13:09:17,358 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2020-09-25 13:09:17,358 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2020-09-25 13:09:17,359 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 213 [2020-09-25 13:09:17,359 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-25 13:09:17,359 INFO L479 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-09-25 13:09:17,359 INFO L480 AbstractCegarLoop]: Interpolant automaton has 13 states. [2020-09-25 13:09:17,359 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2020-09-25 13:09:17,359 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-09-25 13:09:17,360 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2020-09-25 13:09:17,362 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2020-09-25 13:09:17,555 WARN L193 SmtUtils]: Spent 179.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-09-25 13:09:17,718 WARN L193 SmtUtils]: Spent 160.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-09-25 13:09:17,889 WARN L193 SmtUtils]: Spent 170.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-09-25 13:09:18,067 WARN L193 SmtUtils]: Spent 175.00 ms on a formula simplification that was a NOOP. DAG size: 194 [2020-09-25 13:09:18,250 WARN L193 SmtUtils]: Spent 174.00 ms on a formula simplification that was a NOOP. DAG size: 194 [2020-09-25 13:09:18,426 WARN L193 SmtUtils]: Spent 174.00 ms on a formula simplification that was a NOOP. DAG size: 194 [2020-09-25 13:09:18,600 WARN L193 SmtUtils]: Spent 171.00 ms on a formula simplification that was a NOOP. DAG size: 194 [2020-09-25 13:09:19,097 WARN L193 SmtUtils]: Spent 496.00 ms on a formula simplification. DAG size of input: 226 DAG size of output: 207 [2020-09-25 13:09:19,267 WARN L193 SmtUtils]: Spent 154.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-09-25 13:09:19,438 WARN L193 SmtUtils]: Spent 159.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-09-25 13:09:19,601 WARN L193 SmtUtils]: Spent 162.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-09-25 13:09:19,769 WARN L193 SmtUtils]: Spent 166.00 ms on a formula simplification that was a NOOP. DAG size: 194 [2020-09-25 13:09:19,937 WARN L193 SmtUtils]: Spent 167.00 ms on a formula simplification that was a NOOP. DAG size: 194 [2020-09-25 13:09:20,111 WARN L193 SmtUtils]: Spent 169.00 ms on a formula simplification that was a NOOP. DAG size: 194 [2020-09-25 13:09:20,269 WARN L193 SmtUtils]: Spent 156.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-09-25 13:09:20,435 WARN L193 SmtUtils]: Spent 161.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-09-25 13:09:20,587 WARN L193 SmtUtils]: Spent 151.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-09-25 13:09:20,757 WARN L193 SmtUtils]: Spent 167.00 ms on a formula simplification that was a NOOP. DAG size: 194 [2020-09-25 13:09:20,920 WARN L193 SmtUtils]: Spent 162.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-09-25 13:09:21,084 WARN L193 SmtUtils]: Spent 161.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-09-25 13:09:21,237 WARN L193 SmtUtils]: Spent 152.00 ms on a formula simplification that was a NOOP. DAG size: 190