/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=WIDESTAMONGSMALL --traceabstraction.additional.smt.options tolerance=1.0 --traceabstraction.additional.smt.options log-additional-information=true -s ../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf -i ../../../trunk/examples/svcomp/product-lines/minepump_spec4_product32.cil.c -------------------------------------------------------------------------------- This is Ultimate 0.1.25-c90d42b [2020-09-25 08:44:55,015 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-09-25 08:44:55,020 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-09-25 08:44:55,064 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-09-25 08:44:55,064 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-09-25 08:44:55,075 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-09-25 08:44:55,078 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-09-25 08:44:55,081 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-09-25 08:44:55,084 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-09-25 08:44:55,087 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-09-25 08:44:55,088 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-09-25 08:44:55,089 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-09-25 08:44:55,090 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-09-25 08:44:55,092 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-09-25 08:44:55,095 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-09-25 08:44:55,097 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-09-25 08:44:55,098 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-09-25 08:44:55,099 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-09-25 08:44:55,101 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-09-25 08:44:55,108 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-09-25 08:44:55,111 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-09-25 08:44:55,112 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-09-25 08:44:55,113 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-09-25 08:44:55,114 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-09-25 08:44:55,120 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-09-25 08:44:55,120 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-09-25 08:44:55,120 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-09-25 08:44:55,123 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-09-25 08:44:55,124 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-09-25 08:44:55,126 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-09-25 08:44:55,126 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-09-25 08:44:55,127 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-09-25 08:44:55,127 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-09-25 08:44:55,128 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-09-25 08:44:55,129 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-09-25 08:44:55,130 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-09-25 08:44:55,130 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-09-25 08:44:55,131 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-09-25 08:44:55,131 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-09-25 08:44:55,132 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-09-25 08:44:55,133 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-09-25 08:44:55,134 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 08:44:55,181 INFO L113 SettingsManager]: Loading preferences was successful [2020-09-25 08:44:55,181 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-09-25 08:44:55,183 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-09-25 08:44:55,183 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-09-25 08:44:55,183 INFO L138 SettingsManager]: * Use SBE=true [2020-09-25 08:44:55,184 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-09-25 08:44:55,184 INFO L138 SettingsManager]: * sizeof long=4 [2020-09-25 08:44:55,184 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-09-25 08:44:55,184 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-09-25 08:44:55,185 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-09-25 08:44:55,186 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-09-25 08:44:55,186 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-09-25 08:44:55,186 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-09-25 08:44:55,187 INFO L138 SettingsManager]: * sizeof long double=12 [2020-09-25 08:44:55,187 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-09-25 08:44:55,187 INFO L138 SettingsManager]: * Use constant arrays=true [2020-09-25 08:44:55,187 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-09-25 08:44:55,188 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-09-25 08:44:55,188 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-09-25 08:44:55,188 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-09-25 08:44:55,188 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-09-25 08:44:55,188 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-09-25 08:44:55,189 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-09-25 08:44:55,189 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-09-25 08:44:55,189 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-09-25 08:44:55,189 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-09-25 08:44:55,190 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-09-25 08:44:55,190 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-09-25 08:44:55,190 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-09-25 08:44:55,190 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=WIDESTAMONGSMALL;tolerance=1.0;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=WIDESTAMONGSMALL;tolerance=1.0;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=WIDESTAMONGSMALL;tolerance=1.0;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=WIDESTAMONGSMALL;tolerance=1.0;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=WIDESTAMONGSMALL;tolerance=1.0;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=WIDESTAMONGSMALL;tolerance=1.0;log-additional-information=true; [2020-09-25 08:44:55,630 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-09-25 08:44:55,657 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-09-25 08:44:55,664 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-09-25 08:44:55,667 INFO L271 PluginConnector]: Initializing CDTParser... [2020-09-25 08:44:55,668 INFO L275 PluginConnector]: CDTParser initialized [2020-09-25 08:44:55,669 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/product-lines/minepump_spec4_product32.cil.c [2020-09-25 08:44:55,745 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/51cb92cc8/2bc70fc926254e0fb7b82679f65d16d5/FLAG48dd6ce88 [2020-09-25 08:44:56,332 INFO L306 CDTParser]: Found 1 translation units. [2020-09-25 08:44:56,333 INFO L160 CDTParser]: Scanning /storage/repos/ultimate-2/trunk/examples/svcomp/product-lines/minepump_spec4_product32.cil.c [2020-09-25 08:44:56,352 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/51cb92cc8/2bc70fc926254e0fb7b82679f65d16d5/FLAG48dd6ce88 [2020-09-25 08:44:56,588 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/51cb92cc8/2bc70fc926254e0fb7b82679f65d16d5 [2020-09-25 08:44:56,602 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-09-25 08:44:56,609 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-09-25 08:44:56,610 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-09-25 08:44:56,610 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-09-25 08:44:56,616 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-09-25 08:44:56,617 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.09 08:44:56" (1/1) ... [2020-09-25 08:44:56,621 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@11967da3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 08:44:56, skipping insertion in model container [2020-09-25 08:44:56,621 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.09 08:44:56" (1/1) ... [2020-09-25 08:44:56,630 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-09-25 08:44:56,678 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-09-25 08:44:57,110 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-09-25 08:44:57,125 INFO L203 MainTranslator]: Completed pre-run [2020-09-25 08:44:57,225 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-09-25 08:44:57,273 INFO L208 MainTranslator]: Completed translation [2020-09-25 08:44:57,274 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 08:44:57 WrapperNode [2020-09-25 08:44:57,275 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-09-25 08:44:57,275 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-09-25 08:44:57,275 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-09-25 08:44:57,276 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-09-25 08:44:57,292 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 08:44:57" (1/1) ... [2020-09-25 08:44:57,292 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 08:44:57" (1/1) ... [2020-09-25 08:44:57,315 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 08:44:57" (1/1) ... [2020-09-25 08:44:57,315 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 08:44:57" (1/1) ... [2020-09-25 08:44:57,345 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 08:44:57" (1/1) ... [2020-09-25 08:44:57,356 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 08:44:57" (1/1) ... [2020-09-25 08:44:57,362 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 08:44:57" (1/1) ... [2020-09-25 08:44:57,374 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-09-25 08:44:57,375 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-09-25 08:44:57,375 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-09-25 08:44:57,375 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-09-25 08:44:57,377 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 08:44:57" (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 08:44:57,463 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-09-25 08:44:57,464 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-09-25 08:44:57,464 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~X~int~TO~int [2020-09-25 08:44:57,464 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification4_spec__1 [2020-09-25 08:44:57,465 INFO L138 BoogieDeclarations]: Found implementation of procedure select_one [2020-09-25 08:44:57,465 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2020-09-25 08:44:57,465 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2020-09-25 08:44:57,466 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2020-09-25 08:44:57,466 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2020-09-25 08:44:57,466 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2020-09-25 08:44:57,467 INFO L138 BoogieDeclarations]: Found implementation of procedure Specification2 [2020-09-25 08:44:57,467 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2020-09-25 08:44:57,467 INFO L138 BoogieDeclarations]: Found implementation of procedure runTest [2020-09-25 08:44:57,467 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-09-25 08:44:57,467 INFO L138 BoogieDeclarations]: Found implementation of procedure lowerWaterLevel [2020-09-25 08:44:57,468 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2020-09-25 08:44:57,468 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2020-09-25 08:44:57,469 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2020-09-25 08:44:57,469 INFO L138 BoogieDeclarations]: Found implementation of procedure printEnvironment [2020-09-25 08:44:57,469 INFO L138 BoogieDeclarations]: Found implementation of procedure getWaterLevel [2020-09-25 08:44:57,469 INFO L138 BoogieDeclarations]: Found implementation of procedure isLowWaterSensorDry [2020-09-25 08:44:57,470 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_set [2020-09-25 08:44:57,470 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_free [2020-09-25 08:44:57,470 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_reset [2020-09-25 08:44:57,470 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__error_stack_mgt [2020-09-25 08:44:57,471 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_arg [2020-09-25 08:44:57,471 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_argtype [2020-09-25 08:44:57,471 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2020-09-25 08:44:57,471 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__base [2020-09-25 08:44:57,472 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__methaneQuery [2020-09-25 08:44:57,472 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment [2020-09-25 08:44:57,472 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump__wrappee__lowWaterSensor [2020-09-25 08:44:57,472 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump [2020-09-25 08:44:57,472 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivatePump [2020-09-25 08:44:57,472 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneAlarm [2020-09-25 08:44:57,472 INFO L138 BoogieDeclarations]: Found implementation of procedure isPumpRunning [2020-09-25 08:44:57,473 INFO L138 BoogieDeclarations]: Found implementation of procedure printPump [2020-09-25 08:44:57,473 INFO L138 BoogieDeclarations]: Found implementation of procedure isLowWaterLevel [2020-09-25 08:44:57,473 INFO L138 BoogieDeclarations]: Found implementation of procedure stopSystem [2020-09-25 08:44:57,474 INFO L138 BoogieDeclarations]: Found implementation of procedure startSystem [2020-09-25 08:44:57,474 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2020-09-25 08:44:57,475 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2020-09-25 08:44:57,475 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2020-09-25 08:44:57,475 INFO L130 BoogieDeclarations]: Found specification of procedure printf [2020-09-25 08:44:57,475 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2020-09-25 08:44:57,475 INFO L130 BoogieDeclarations]: Found specification of procedure isPumpRunning [2020-09-25 08:44:57,475 INFO L130 BoogieDeclarations]: Found specification of procedure getWaterLevel [2020-09-25 08:44:57,476 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification4_spec__1 [2020-09-25 08:44:57,476 INFO L130 BoogieDeclarations]: Found specification of procedure select_one [2020-09-25 08:44:57,476 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2020-09-25 08:44:57,476 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2020-09-25 08:44:57,476 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2020-09-25 08:44:57,477 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2020-09-25 08:44:57,477 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2020-09-25 08:44:57,477 INFO L130 BoogieDeclarations]: Found specification of procedure printPump [2020-09-25 08:44:57,477 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2020-09-25 08:44:57,477 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2020-09-25 08:44:57,478 INFO L130 BoogieDeclarations]: Found specification of procedure Specification2 [2020-09-25 08:44:57,478 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2020-09-25 08:44:57,478 INFO L130 BoogieDeclarations]: Found specification of procedure test [2020-09-25 08:44:57,478 INFO L130 BoogieDeclarations]: Found specification of procedure runTest [2020-09-25 08:44:57,478 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-09-25 08:44:57,478 INFO L130 BoogieDeclarations]: Found specification of procedure lowerWaterLevel [2020-09-25 08:44:57,479 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2020-09-25 08:44:57,479 INFO L130 BoogieDeclarations]: Found specification of procedure printEnvironment [2020-09-25 08:44:57,479 INFO L130 BoogieDeclarations]: Found specification of procedure isLowWaterSensorDry [2020-09-25 08:44:57,479 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-09-25 08:44:57,479 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2020-09-25 08:44:57,479 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2020-09-25 08:44:57,480 INFO L130 BoogieDeclarations]: Found specification of procedure free [2020-09-25 08:44:57,480 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_set [2020-09-25 08:44:57,481 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2020-09-25 08:44:57,482 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2020-09-25 08:44:57,482 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-09-25 08:44:57,482 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2020-09-25 08:44:57,482 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_free [2020-09-25 08:44:57,482 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-09-25 08:44:57,482 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_reset [2020-09-25 08:44:57,483 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~X~int~TO~int [2020-09-25 08:44:57,483 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2020-09-25 08:44:57,483 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__error_stack_mgt [2020-09-25 08:44:57,483 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_arg [2020-09-25 08:44:57,483 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_argtype [2020-09-25 08:44:57,484 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump [2020-09-25 08:44:57,484 INFO L130 BoogieDeclarations]: Found specification of procedure deactivatePump [2020-09-25 08:44:57,484 INFO L130 BoogieDeclarations]: Found specification of procedure stopSystem [2020-09-25 08:44:57,484 INFO L130 BoogieDeclarations]: Found specification of procedure startSystem [2020-09-25 08:44:57,485 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment [2020-09-25 08:44:57,485 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__base [2020-09-25 08:44:57,485 INFO L130 BoogieDeclarations]: Found specification of procedure isLowWaterLevel [2020-09-25 08:44:57,485 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__methaneQuery [2020-09-25 08:44:57,485 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneAlarm [2020-09-25 08:44:57,485 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump__wrappee__lowWaterSensor [2020-09-25 08:44:57,485 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-09-25 08:44:57,486 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-09-25 08:44:57,486 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-09-25 08:44:58,582 INFO L290 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-09-25 08:44:58,582 INFO L295 CfgBuilder]: Removed 5 assume(true) statements. [2020-09-25 08:44:58,589 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.09 08:44:58 BoogieIcfgContainer [2020-09-25 08:44:58,589 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-09-25 08:44:58,591 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-09-25 08:44:58,591 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-09-25 08:44:58,595 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-09-25 08:44:58,595 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 25.09 08:44:56" (1/3) ... [2020-09-25 08:44:58,596 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@61f9fe24 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 25.09 08:44:58, skipping insertion in model container [2020-09-25 08:44:58,596 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 08:44:57" (2/3) ... [2020-09-25 08:44:58,597 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@61f9fe24 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 25.09 08:44:58, skipping insertion in model container [2020-09-25 08:44:58,597 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.09 08:44:58" (3/3) ... [2020-09-25 08:44:58,599 INFO L109 eAbstractionObserver]: Analyzing ICFG minepump_spec4_product32.cil.c [2020-09-25 08:44:58,611 INFO L157 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:Craig_NestedInterpolation Determinization: PREDICATE_ABSTRACTION [2020-09-25 08:44:58,622 INFO L169 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-09-25 08:44:58,645 INFO L251 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-09-25 08:44:58,680 INFO L375 AbstractCegarLoop]: Interprodecural is true [2020-09-25 08:44:58,680 INFO L376 AbstractCegarLoop]: Hoare is true [2020-09-25 08:44:58,680 INFO L377 AbstractCegarLoop]: Compute interpolants for Craig_NestedInterpolation [2020-09-25 08:44:58,680 INFO L378 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-09-25 08:44:58,681 INFO L379 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-09-25 08:44:58,681 INFO L380 AbstractCegarLoop]: Difference is false [2020-09-25 08:44:58,681 INFO L381 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-09-25 08:44:58,681 INFO L385 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-09-25 08:44:58,710 INFO L276 IsEmpty]: Start isEmpty. Operand 320 states. [2020-09-25 08:44:58,729 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 143 [2020-09-25 08:44:58,729 INFO L414 BasicCegarLoop]: Found error trace [2020-09-25 08:44:58,731 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-09-25 08:44:58,732 INFO L427 AbstractCegarLoop]: === Iteration 1 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-25 08:44:58,739 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-25 08:44:58,740 INFO L82 PathProgramCache]: Analyzing trace with hash -29194710, now seen corresponding path program 1 times [2020-09-25 08:44:58,752 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-25 08:44:58,752 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1711699500] [2020-09-25 08:44:58,753 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-25 08:44:59,082 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 08:44:59,210 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 08:44:59,416 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 08:45:00,693 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 08:45:01,587 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 08:45:04,109 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 08:45:04,109 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 173 [2020-09-25 08:45:04,110 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 4 [2020-09-25 08:45:04,110 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5016 [2020-09-25 08:45:04,114 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 08:45:04,114 FATAL L256 erpolLogProxyWrapper]: Tolerance: 1.0 [2020-09-25 08:45:04,114 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 08:45:04,115 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 129 [2020-09-25 08:45:04,124 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 08:45:04,125 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 13 [2020-09-25 08:45:04,547 WARN L193 SmtUtils]: Spent 297.00 ms on a formula simplification that was a NOOP. DAG size: 184 [2020-09-25 08:45:04,552 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-25 08:45:04,575 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 08:45:04,587 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 08:45:04,715 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 08:45:04,716 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 85 [2020-09-25 08:45:04,716 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 08:45:04,716 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 139 [2020-09-25 08:45:04,716 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 08:45:04,717 FATAL L256 erpolLogProxyWrapper]: Tolerance: 1.0 [2020-09-25 08:45:04,717 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 08:45:04,717 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 08:45:04,717 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 08:45:04,717 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 08:45:04,803 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2020-09-25 08:45:04,805 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 08:45:04,806 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 08:45:04,808 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 08:45:04,809 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 08:45:04,809 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 08:45:04,809 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-25 08:45:04,809 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 08:45:04,810 FATAL L256 erpolLogProxyWrapper]: Tolerance: 1.0 [2020-09-25 08:45:04,810 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 08:45:04,810 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 08:45:04,810 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 08:45:04,811 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 08:45:04,813 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 86 [2020-09-25 08:45:04,816 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 08:45:04,817 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 08:45:04,819 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 08:45:04,819 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 08:45:04,819 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 08:45:04,819 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-25 08:45:04,820 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 08:45:04,820 FATAL L256 erpolLogProxyWrapper]: Tolerance: 1.0 [2020-09-25 08:45:04,820 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 08:45:04,821 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 08:45:04,821 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 08:45:04,821 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 08:45:04,823 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2020-09-25 08:45:04,824 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 08:45:04,825 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 08:45:04,830 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 08:45:04,830 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 08:45:04,830 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 08:45:04,830 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-09-25 08:45:04,831 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 08:45:04,831 FATAL L256 erpolLogProxyWrapper]: Tolerance: 1.0 [2020-09-25 08:45:04,831 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 08:45:04,831 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 08:45:04,831 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 08:45:04,832 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 08:45:04,834 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 99 [2020-09-25 08:45:04,834 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 08:45:04,836 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 08:45:04,838 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 08:45:04,838 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 08:45:04,838 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 08:45:04,838 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-25 08:45:04,839 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 08:45:04,839 FATAL L256 erpolLogProxyWrapper]: Tolerance: 1.0 [2020-09-25 08:45:04,840 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 08:45:04,840 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 08:45:04,841 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 08:45:04,841 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 2 [2020-09-25 08:45:04,842 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 120 [2020-09-25 08:45:04,843 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 08:45:04,845 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 08:45:04,848 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 08:45:04,848 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 08:45:04,848 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 08:45:04,848 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-09-25 08:45:04,849 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 08:45:04,849 FATAL L256 erpolLogProxyWrapper]: Tolerance: 1.0 [2020-09-25 08:45:04,849 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 08:45:04,849 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-09-25 08:45:04,849 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 08:45:04,850 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 08:45:04,852 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 130 [2020-09-25 08:45:04,854 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 08:45:04,856 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 08:45:04,858 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 08:45:04,859 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 08:45:04,859 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 08:45:04,859 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-25 08:45:04,859 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 08:45:04,860 FATAL L256 erpolLogProxyWrapper]: Tolerance: 1.0 [2020-09-25 08:45:04,860 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 08:45:04,860 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-09-25 08:45:04,860 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 08:45:04,861 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 08:45:04,898 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 08:45:04,900 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1711699500] [2020-09-25 08:45:04,902 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-25 08:45:04,903 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-09-25 08:45:04,904 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [802082021] [2020-09-25 08:45:04,913 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-09-25 08:45:04,914 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-25 08:45:04,935 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-09-25 08:45:04,936 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-09-25 08:45:04,939 INFO L87 Difference]: Start difference. First operand 320 states. Second operand 3 states. [2020-09-25 08:45:06,515 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-25 08:45:06,516 INFO L93 Difference]: Finished difference Result 488 states and 583 transitions. [2020-09-25 08:45:06,516 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-09-25 08:45:06,518 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 142 [2020-09-25 08:45:06,519 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-25 08:45:06,538 INFO L225 Difference]: With dead ends: 488 [2020-09-25 08:45:06,538 INFO L226 Difference]: Without dead ends: 303 [2020-09-25 08:45:06,545 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 16 GetRequests, 15 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-09-25 08:45:06,567 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 303 states. [2020-09-25 08:45:06,650 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 303 to 259. [2020-09-25 08:45:06,651 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 259 states. [2020-09-25 08:45:06,653 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 259 states to 259 states and 282 transitions. [2020-09-25 08:45:06,656 INFO L78 Accepts]: Start accepts. Automaton has 259 states and 282 transitions. Word has length 142 [2020-09-25 08:45:06,656 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-25 08:45:06,657 INFO L479 AbstractCegarLoop]: Abstraction has 259 states and 282 transitions. [2020-09-25 08:45:06,657 INFO L480 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-09-25 08:45:06,657 INFO L276 IsEmpty]: Start isEmpty. Operand 259 states and 282 transitions. [2020-09-25 08:45:06,662 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 144 [2020-09-25 08:45:06,662 INFO L414 BasicCegarLoop]: Found error trace [2020-09-25 08:45:06,662 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-09-25 08:45:06,662 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-09-25 08:45:06,663 INFO L427 AbstractCegarLoop]: === Iteration 2 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-25 08:45:06,663 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-25 08:45:06,663 INFO L82 PathProgramCache]: Analyzing trace with hash -1893464465, now seen corresponding path program 1 times [2020-09-25 08:45:06,663 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-25 08:45:06,664 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [2035885138] [2020-09-25 08:45:06,664 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-25 08:45:06,747 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 08:45:06,805 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 08:45:06,910 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 08:45:08,291 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 08:45:08,735 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 08:45:09,772 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 08:45:11,776 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 08:45:11,777 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 174 [2020-09-25 08:45:11,777 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 5 [2020-09-25 08:45:11,777 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5025 [2020-09-25 08:45:11,777 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 08:45:11,778 FATAL L256 erpolLogProxyWrapper]: Tolerance: 1.0 [2020-09-25 08:45:11,778 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 08:45:11,778 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 128 [2020-09-25 08:45:11,778 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 3 [2020-09-25 08:45:11,778 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 08:45:12,065 WARN L193 SmtUtils]: Spent 212.00 ms on a formula simplification that was a NOOP. DAG size: 184 [2020-09-25 08:45:12,066 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-25 08:45:12,084 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 08:45:12,095 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 08:45:12,190 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 08:45:12,191 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 85 [2020-09-25 08:45:12,191 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 08:45:12,191 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 104 [2020-09-25 08:45:12,191 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 08:45:12,192 FATAL L256 erpolLogProxyWrapper]: Tolerance: 1.0 [2020-09-25 08:45:12,192 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 08:45:12,192 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 08:45:12,193 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 08:45:12,193 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 08:45:12,263 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2020-09-25 08:45:12,264 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 08:45:12,265 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 08:45:12,267 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 08:45:12,267 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 08:45:12,267 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 08:45:12,267 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-25 08:45:12,268 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 08:45:12,268 FATAL L256 erpolLogProxyWrapper]: Tolerance: 1.0 [2020-09-25 08:45:12,268 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 08:45:12,268 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 08:45:12,269 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 08:45:12,269 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 08:45:12,272 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 86 [2020-09-25 08:45:12,273 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 08:45:12,274 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 08:45:12,275 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 08:45:12,276 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 08:45:12,276 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 08:45:12,279 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-25 08:45:12,280 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 08:45:12,280 FATAL L256 erpolLogProxyWrapper]: Tolerance: 1.0 [2020-09-25 08:45:12,280 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 08:45:12,280 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 08:45:12,281 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 08:45:12,281 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 08:45:12,283 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2020-09-25 08:45:12,284 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 08:45:12,287 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 08:45:12,292 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 08:45:12,292 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 08:45:12,292 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 08:45:12,293 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-09-25 08:45:12,293 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 08:45:12,293 FATAL L256 erpolLogProxyWrapper]: Tolerance: 1.0 [2020-09-25 08:45:12,293 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 08:45:12,293 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 08:45:12,294 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 08:45:12,294 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 08:45:12,295 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 99 [2020-09-25 08:45:12,297 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 08:45:12,298 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 08:45:12,300 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 08:45:12,300 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 08:45:12,301 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 08:45:12,301 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-25 08:45:12,301 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 08:45:12,301 FATAL L256 erpolLogProxyWrapper]: Tolerance: 1.0 [2020-09-25 08:45:12,302 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 08:45:12,302 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 08:45:12,302 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 08:45:12,302 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 08:45:12,303 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 121 [2020-09-25 08:45:12,304 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 08:45:12,305 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 08:45:12,307 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 08:45:12,307 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 08:45:12,308 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 08:45:12,308 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-25 08:45:12,310 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 08:45:12,310 FATAL L256 erpolLogProxyWrapper]: Tolerance: 1.0 [2020-09-25 08:45:12,310 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 08:45:12,311 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-09-25 08:45:12,311 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 08:45:12,311 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 2 [2020-09-25 08:45:12,313 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 131 [2020-09-25 08:45:12,314 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 08:45:12,316 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 08:45:12,319 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 08:45:12,319 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 08:45:12,319 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 08:45:12,320 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-09-25 08:45:12,320 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 08:45:12,321 FATAL L256 erpolLogProxyWrapper]: Tolerance: 1.0 [2020-09-25 08:45:12,321 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 08:45:12,321 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-09-25 08:45:12,322 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 08:45:12,322 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 08:45:12,353 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 08:45:12,356 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [2035885138] [2020-09-25 08:45:12,356 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-25 08:45:12,357 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2020-09-25 08:45:12,357 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2053582740] [2020-09-25 08:45:12,361 INFO L459 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-09-25 08:45:12,361 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-25 08:45:12,362 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-09-25 08:45:12,362 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2020-09-25 08:45:12,362 INFO L87 Difference]: Start difference. First operand 259 states and 282 transitions. Second operand 4 states. [2020-09-25 08:45:12,918 WARN L193 SmtUtils]: Spent 205.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-09-25 08:45:13,879 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-25 08:45:13,879 INFO L93 Difference]: Finished difference Result 395 states and 446 transitions. [2020-09-25 08:45:13,880 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-09-25 08:45:13,880 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 143 [2020-09-25 08:45:13,881 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-25 08:45:13,885 INFO L225 Difference]: With dead ends: 395 [2020-09-25 08:45:13,885 INFO L226 Difference]: Without dead ends: 286 [2020-09-25 08:45:13,888 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 18 GetRequests, 15 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2020-09-25 08:45:13,889 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 286 states. [2020-09-25 08:45:13,949 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 286 to 249. [2020-09-25 08:45:13,949 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 249 states. [2020-09-25 08:45:13,952 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 249 states to 249 states and 269 transitions. [2020-09-25 08:45:13,953 INFO L78 Accepts]: Start accepts. Automaton has 249 states and 269 transitions. Word has length 143 [2020-09-25 08:45:13,953 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-25 08:45:13,953 INFO L479 AbstractCegarLoop]: Abstraction has 249 states and 269 transitions. [2020-09-25 08:45:13,954 INFO L480 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-09-25 08:45:13,954 INFO L276 IsEmpty]: Start isEmpty. Operand 249 states and 269 transitions. [2020-09-25 08:45:13,957 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 157 [2020-09-25 08:45:13,957 INFO L414 BasicCegarLoop]: Found error trace [2020-09-25 08:45:13,958 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-09-25 08:45:13,958 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-09-25 08:45:13,958 INFO L427 AbstractCegarLoop]: === Iteration 3 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-25 08:45:13,958 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-25 08:45:13,959 INFO L82 PathProgramCache]: Analyzing trace with hash -1620953734, now seen corresponding path program 1 times [2020-09-25 08:45:13,959 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-25 08:45:13,959 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [2134801593] [2020-09-25 08:45:13,959 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-25 08:45:14,013 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 08:45:14,061 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 08:45:14,279 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 08:45:15,141 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 08:45:16,433 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 08:45:19,024 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 08:45:19,025 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 187 [2020-09-25 08:45:19,025 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 4 [2020-09-25 08:45:19,025 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5009 [2020-09-25 08:45:19,025 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 08:45:19,025 FATAL L256 erpolLogProxyWrapper]: Tolerance: 1.0 [2020-09-25 08:45:19,025 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 08:45:19,026 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 146 [2020-09-25 08:45:19,026 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-09-25 08:45:19,026 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 08:45:19,296 WARN L193 SmtUtils]: Spent 195.00 ms on a formula simplification that was a NOOP. DAG size: 184 [2020-09-25 08:45:19,297 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-25 08:45:19,305 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 08:45:19,314 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 08:45:19,396 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 08:45:19,396 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 85 [2020-09-25 08:45:19,396 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 08:45:19,397 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 89 [2020-09-25 08:45:19,397 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 08:45:19,397 FATAL L256 erpolLogProxyWrapper]: Tolerance: 1.0 [2020-09-25 08:45:19,397 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 08:45:19,397 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 08:45:19,398 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 08:45:19,398 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 08:45:19,427 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2020-09-25 08:45:19,428 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 08:45:19,429 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 08:45:19,430 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 08:45:19,430 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 08:45:19,430 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 08:45:19,431 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-25 08:45:19,431 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 08:45:19,431 FATAL L256 erpolLogProxyWrapper]: Tolerance: 1.0 [2020-09-25 08:45:19,431 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 08:45:19,431 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 08:45:19,431 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 08:45:19,432 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 08:45:19,432 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 86 [2020-09-25 08:45:19,433 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 08:45:19,434 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 08:45:19,435 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 08:45:19,435 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 08:45:19,435 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 08:45:19,435 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-25 08:45:19,436 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 08:45:19,436 FATAL L256 erpolLogProxyWrapper]: Tolerance: 1.0 [2020-09-25 08:45:19,436 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 08:45:19,436 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 08:45:19,436 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 08:45:19,437 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 08:45:19,437 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2020-09-25 08:45:19,438 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 08:45:19,439 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 08:45:19,442 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 08:45:19,442 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 08:45:19,443 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 08:45:19,443 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-25 08:45:19,443 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 08:45:19,443 FATAL L256 erpolLogProxyWrapper]: Tolerance: 1.0 [2020-09-25 08:45:19,443 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 08:45:19,444 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 08:45:19,444 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 08:45:19,444 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 08:45:19,445 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 99 [2020-09-25 08:45:19,446 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 08:45:19,447 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 08:45:19,448 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 08:45:19,448 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 08:45:19,448 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 08:45:19,448 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-25 08:45:19,448 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 08:45:19,449 FATAL L256 erpolLogProxyWrapper]: Tolerance: 1.0 [2020-09-25 08:45:19,449 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 08:45:19,449 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 08:45:19,449 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 08:45:19,449 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 08:45:19,457 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2020-09-25 08:45:19,458 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 08:45:19,460 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 08:45:19,462 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 08:45:19,462 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-25 08:45:19,462 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 08:45:19,462 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-25 08:45:19,463 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 08:45:19,463 FATAL L256 erpolLogProxyWrapper]: Tolerance: 1.0 [2020-09-25 08:45:19,463 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 08:45:19,463 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 08:45:19,463 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-09-25 08:45:19,464 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 08:45:19,466 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 134 [2020-09-25 08:45:19,466 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 08:45:19,468 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 08:45:19,469 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 08:45:19,469 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 08:45:19,469 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 08:45:19,469 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-25 08:45:19,470 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 08:45:19,470 FATAL L256 erpolLogProxyWrapper]: Tolerance: 1.0 [2020-09-25 08:45:19,470 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 08:45:19,470 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-09-25 08:45:19,470 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 08:45:19,470 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 08:45:19,472 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 144 [2020-09-25 08:45:19,472 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 08:45:19,474 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 08:45:19,475 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 08:45:19,475 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 08:45:19,475 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 08:45:19,475 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-25 08:45:19,476 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 08:45:19,476 FATAL L256 erpolLogProxyWrapper]: Tolerance: 1.0 [2020-09-25 08:45:19,476 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 08:45:19,476 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-09-25 08:45:19,476 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 08:45:19,477 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 08:45:19,501 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 08:45:19,501 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [2134801593] [2020-09-25 08:45:19,502 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-25 08:45:19,502 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2020-09-25 08:45:19,502 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [195640592] [2020-09-25 08:45:19,503 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-09-25 08:45:19,503 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-25 08:45:19,503 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-09-25 08:45:19,503 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-09-25 08:45:19,504 INFO L87 Difference]: Start difference. First operand 249 states and 269 transitions. Second operand 5 states. [2020-09-25 08:45:20,167 WARN L193 SmtUtils]: Spent 366.00 ms on a formula simplification that was a NOOP. DAG size: 186 [2020-09-25 08:45:22,086 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-25 08:45:22,087 INFO L93 Difference]: Finished difference Result 597 states and 694 transitions. [2020-09-25 08:45:22,087 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2020-09-25 08:45:22,088 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 156 [2020-09-25 08:45:22,089 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-25 08:45:22,091 INFO L225 Difference]: With dead ends: 597 [2020-09-25 08:45:22,091 INFO L226 Difference]: Without dead ends: 458 [2020-09-25 08:45:22,094 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 23 GetRequests, 18 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=18, Invalid=24, Unknown=0, NotChecked=0, Total=42 [2020-09-25 08:45:22,096 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 458 states. [2020-09-25 08:45:22,173 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 458 to 378. [2020-09-25 08:45:22,173 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 378 states. [2020-09-25 08:45:22,176 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 378 states to 378 states and 419 transitions. [2020-09-25 08:45:22,176 INFO L78 Accepts]: Start accepts. Automaton has 378 states and 419 transitions. Word has length 156 [2020-09-25 08:45:22,176 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-25 08:45:22,177 INFO L479 AbstractCegarLoop]: Abstraction has 378 states and 419 transitions. [2020-09-25 08:45:22,177 INFO L480 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-09-25 08:45:22,177 INFO L276 IsEmpty]: Start isEmpty. Operand 378 states and 419 transitions. [2020-09-25 08:45:22,179 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 162 [2020-09-25 08:45:22,179 INFO L414 BasicCegarLoop]: Found error trace [2020-09-25 08:45:22,180 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-09-25 08:45:22,180 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-09-25 08:45:22,180 INFO L427 AbstractCegarLoop]: === Iteration 4 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-25 08:45:22,180 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-25 08:45:22,180 INFO L82 PathProgramCache]: Analyzing trace with hash -1603328841, now seen corresponding path program 1 times [2020-09-25 08:45:22,181 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-25 08:45:22,181 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [981272349] [2020-09-25 08:45:22,181 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-25 08:45:22,225 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 08:45:22,274 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 08:45:23,132 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 08:45:23,377 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 08:45:25,686 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 08:45:27,257 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 08:45:27,257 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 192 [2020-09-25 08:45:27,257 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 4 [2020-09-25 08:45:27,257 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5029 [2020-09-25 08:45:27,258 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 08:45:27,258 FATAL L256 erpolLogProxyWrapper]: Tolerance: 1.0 [2020-09-25 08:45:27,258 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 8 [2020-09-25 08:45:27,258 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 150 [2020-09-25 08:45:27,258 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 38 [2020-09-25 08:45:27,258 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 08:45:27,667 WARN L193 SmtUtils]: Spent 310.00 ms on a formula simplification that was a NOOP. DAG size: 184 [2020-09-25 08:45:27,668 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-25 08:45:27,678 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 08:45:27,688 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 08:45:27,787 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 08:45:27,788 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 85 [2020-09-25 08:45:27,788 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 08:45:27,788 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 107 [2020-09-25 08:45:27,789 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 08:45:27,789 FATAL L256 erpolLogProxyWrapper]: Tolerance: 1.0 [2020-09-25 08:45:27,789 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 08:45:27,790 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 08:45:27,790 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 08:45:27,790 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 08:45:27,829 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2020-09-25 08:45:27,830 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 08:45:27,831 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 08:45:27,832 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 08:45:27,833 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 08:45:27,833 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 08:45:27,833 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-25 08:45:27,834 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 08:45:27,834 FATAL L256 erpolLogProxyWrapper]: Tolerance: 1.0 [2020-09-25 08:45:27,834 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 08:45:27,835 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 08:45:27,835 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 08:45:27,835 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 08:45:27,836 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 86 [2020-09-25 08:45:27,837 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 08:45:27,838 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 08:45:27,839 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 08:45:27,839 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 08:45:27,840 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 08:45:27,840 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-25 08:45:27,840 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 08:45:27,841 FATAL L256 erpolLogProxyWrapper]: Tolerance: 1.0 [2020-09-25 08:45:27,841 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 08:45:27,841 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 08:45:27,841 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 08:45:27,842 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 08:45:27,843 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2020-09-25 08:45:27,844 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 08:45:27,845 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 08:45:27,848 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 08:45:27,848 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 08:45:27,849 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 08:45:27,849 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-09-25 08:45:27,849 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 08:45:27,849 FATAL L256 erpolLogProxyWrapper]: Tolerance: 1.0 [2020-09-25 08:45:27,850 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 08:45:27,850 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 08:45:27,850 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 08:45:27,851 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 08:45:27,852 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 99 [2020-09-25 08:45:27,853 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 08:45:27,853 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 08:45:27,854 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 08:45:27,855 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 08:45:27,855 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 08:45:27,855 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-25 08:45:27,855 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 08:45:27,855 FATAL L256 erpolLogProxyWrapper]: Tolerance: 1.0 [2020-09-25 08:45:27,856 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 08:45:27,856 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 08:45:27,856 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 08:45:27,856 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 08:45:27,873 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 128 [2020-09-25 08:45:27,875 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 08:45:27,876 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 08:45:27,881 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 08:45:27,881 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-09-25 08:45:27,881 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 08:45:27,882 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-09-25 08:45:27,882 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 08:45:27,883 FATAL L256 erpolLogProxyWrapper]: Tolerance: 1.0 [2020-09-25 08:45:27,883 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 08:45:27,883 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 08:45:27,883 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-09-25 08:45:27,884 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 08:45:27,886 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 139 [2020-09-25 08:45:27,887 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 08:45:27,889 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 08:45:27,891 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 08:45:27,891 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 08:45:27,892 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 08:45:27,892 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-25 08:45:27,892 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 08:45:27,893 FATAL L256 erpolLogProxyWrapper]: Tolerance: 1.0 [2020-09-25 08:45:27,893 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 08:45:27,893 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 08:45:27,894 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-09-25 08:45:27,894 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 08:45:27,896 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 149 [2020-09-25 08:45:27,897 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 08:45:27,898 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 08:45:27,905 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 08:45:27,905 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 08:45:27,905 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 08:45:27,906 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-09-25 08:45:27,906 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 08:45:27,906 FATAL L256 erpolLogProxyWrapper]: Tolerance: 1.0 [2020-09-25 08:45:27,907 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-09-25 08:45:27,907 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 08:45:27,908 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-09-25 08:45:27,908 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 08:45:28,010 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 08:45:28,011 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [981272349] [2020-09-25 08:45:28,012 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-25 08:45:28,012 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2020-09-25 08:45:28,013 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [529686560] [2020-09-25 08:45:28,014 INFO L459 AbstractCegarLoop]: Interpolant automaton has 9 states [2020-09-25 08:45:28,014 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-25 08:45:28,014 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2020-09-25 08:45:28,015 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=56, Unknown=0, NotChecked=0, Total=72 [2020-09-25 08:45:28,015 INFO L87 Difference]: Start difference. First operand 378 states and 419 transitions. Second operand 9 states. [2020-09-25 08:45:28,478 WARN L193 SmtUtils]: Spent 213.00 ms on a formula simplification that was a NOOP. DAG size: 186 [2020-09-25 08:45:29,950 WARN L193 SmtUtils]: Spent 548.00 ms on a formula simplification. DAG size of input: 190 DAG size of output: 188 [2020-09-25 08:45:30,525 WARN L193 SmtUtils]: Spent 531.00 ms on a formula simplification. DAG size of input: 193 DAG size of output: 190 [2020-09-25 08:45:30,828 WARN L193 SmtUtils]: Spent 260.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-09-25 08:45:31,130 WARN L193 SmtUtils]: Spent 270.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-09-25 08:45:31,413 WARN L193 SmtUtils]: Spent 260.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-09-25 08:45:31,651 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-25 08:45:31,651 INFO L93 Difference]: Finished difference Result 587 states and 686 transitions. [2020-09-25 08:45:31,651 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2020-09-25 08:45:31,652 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 161 [2020-09-25 08:45:31,653 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-25 08:45:31,653 INFO L225 Difference]: With dead ends: 587 [2020-09-25 08:45:31,653 INFO L226 Difference]: Without dead ends: 0 [2020-09-25 08:45:31,655 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 33 GetRequests, 19 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 16 ImplicationChecksByTransitivity, 2.5s TimeCoverageRelationStatistics Valid=71, Invalid=169, Unknown=0, NotChecked=0, Total=240 [2020-09-25 08:45:31,655 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2020-09-25 08:45:31,655 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2020-09-25 08:45:31,656 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2020-09-25 08:45:31,656 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2020-09-25 08:45:31,656 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 161 [2020-09-25 08:45:31,656 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-25 08:45:31,656 INFO L479 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-09-25 08:45:31,656 INFO L480 AbstractCegarLoop]: Interpolant automaton has 9 states. [2020-09-25 08:45:31,656 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2020-09-25 08:45:31,656 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-09-25 08:45:31,657 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2020-09-25 08:45:31,659 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2020-09-25 08:45:31,864 WARN L193 SmtUtils]: Spent 194.00 ms on a formula simplification that was a NOOP. DAG size: 186 [2020-09-25 08:45:32,031 WARN L193 SmtUtils]: Spent 161.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-09-25 08:45:32,188 WARN L193 SmtUtils]: Spent 155.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-09-25 08:45:32,461 WARN L193 SmtUtils]: Spent 267.00 ms on a formula simplification. DAG size of input: 199 DAG size of output: 6 [2020-09-25 08:45:32,611 WARN L193 SmtUtils]: Spent 146.00 ms on a formula simplification that was a NOOP. DAG size: 186 [2020-09-25 08:45:32,765 WARN L193 SmtUtils]: Spent 152.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-09-25 08:45:32,920 WARN L193 SmtUtils]: Spent 150.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-09-25 08:45:33,036 WARN L193 SmtUtils]: Spent 106.00 ms on a formula simplification. DAG size of input: 200 DAG size of output: 6 [2020-09-25 08:45:33,186 WARN L193 SmtUtils]: Spent 144.00 ms on a formula simplification that was a NOOP. DAG size: 186 [2020-09-25 08:45:33,336 WARN L193 SmtUtils]: Spent 148.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-09-25 08:45:33,449 WARN L193 SmtUtils]: Spent 103.00 ms on a formula simplification. DAG size of input: 200 DAG size of output: 6 [2020-09-25 08:45:33,761 WARN L193 SmtUtils]: Spent 310.00 ms on a formula simplification. DAG size of input: 191 DAG size of output: 188 [2020-09-25 08:45:34,083 WARN L193 SmtUtils]: Spent 320.00 ms on a formula simplification. DAG size of input: 191 DAG size of output: 188 [2020-09-25 08:45:34,395 WARN L193 SmtUtils]: Spent 311.00 ms on a formula simplification. DAG size of input: 191 DAG size of output: 188 [2020-09-25 08:45:34,629 WARN L193 SmtUtils]: Spent 231.00 ms on a formula simplification. DAG size of input: 188 DAG size of output: 186 [2020-09-25 08:45:34,937 WARN L193 SmtUtils]: Spent 304.00 ms on a formula simplification. DAG size of input: 191 DAG size of output: 187 [2020-09-25 08:45:35,252 WARN L193 SmtUtils]: Spent 313.00 ms on a formula simplification. DAG size of input: 191 DAG size of output: 187 [2020-09-25 08:45:35,558 WARN L193 SmtUtils]: Spent 305.00 ms on a formula simplification. DAG size of input: 191 DAG size of output: 187 [2020-09-25 08:45:35,709 WARN L193 SmtUtils]: Spent 147.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-09-25 08:45:35,849 WARN L193 SmtUtils]: Spent 138.00 ms on a formula simplification that was a NOOP. DAG size: 184 [2020-09-25 08:45:35,996 WARN L193 SmtUtils]: Spent 147.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-09-25 08:45:36,142 WARN L193 SmtUtils]: Spent 143.00 ms on a formula simplification that was a NOOP. DAG size: 186 [2020-09-25 08:45:36,289 WARN L193 SmtUtils]: Spent 146.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-09-25 08:45:36,440 WARN L193 SmtUtils]: Spent 148.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-09-25 08:45:36,597 WARN L193 SmtUtils]: Spent 156.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-09-25 08:45:36,745 WARN L193 SmtUtils]: Spent 146.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-09-25 08:45:36,889 WARN L193 SmtUtils]: Spent 142.00 ms on a formula simplification that was a NOOP. DAG size: 186 [2020-09-25 08:45:37,039 WARN L193 SmtUtils]: Spent 147.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-09-25 08:45:37,188 WARN L193 SmtUtils]: Spent 146.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-09-25 08:45:37,331 WARN L193 SmtUtils]: Spent 142.00 ms on a formula simplification that was a NOOP. DAG size: 186 [2020-09-25 08:45:37,485 WARN L193 SmtUtils]: Spent 147.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-09-25 08:45:37,628 WARN L193 SmtUtils]: Spent 142.00 ms on a formula simplification that was a NOOP. DAG size: 186 [2020-09-25 08:45:37,777 WARN L193 SmtUtils]: Spent 147.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-09-25 08:45:37,924 WARN L193 SmtUtils]: Spent 146.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-09-25 08:45:38,072 WARN L193 SmtUtils]: Spent 146.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-09-25 08:45:38,221 WARN L193 SmtUtils]: Spent 147.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-09-25 08:45:38,370 WARN L193 SmtUtils]: Spent 146.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-09-25 08:45:38,518 WARN L193 SmtUtils]: Spent 147.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-09-25 08:45:38,661 WARN L193 SmtUtils]: Spent 142.00 ms on a formula simplification that was a NOOP. DAG size: 186 [2020-09-25 08:45:38,805 WARN L193 SmtUtils]: Spent 142.00 ms on a formula simplification that was a NOOP. DAG size: 186 [2020-09-25 08:45:38,953 WARN L193 SmtUtils]: Spent 146.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-09-25 08:45:39,105 WARN L193 SmtUtils]: Spent 147.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-09-25 08:45:39,252 WARN L193 SmtUtils]: Spent 142.00 ms on a formula simplification that was a NOOP. DAG size: 186 [2020-09-25 08:45:39,508 WARN L193 SmtUtils]: Spent 147.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-09-25 08:45:39,655 WARN L193 SmtUtils]: Spent 146.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-09-25 08:45:39,801 WARN L193 SmtUtils]: Spent 142.00 ms on a formula simplification that was a NOOP. DAG size: 186 [2020-09-25 08:45:39,951 WARN L193 SmtUtils]: Spent 148.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-09-25 08:45:40,106 WARN L193 SmtUtils]: Spent 146.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-09-25 08:45:40,253 WARN L193 SmtUtils]: Spent 142.00 ms on a formula simplification that was a NOOP. DAG size: 186 [2020-09-25 08:45:40,405 WARN L193 SmtUtils]: Spent 151.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-09-25 08:45:40,512 WARN L193 SmtUtils]: Spent 102.00 ms on a formula simplification. DAG size of input: 200 DAG size of output: 6 [2020-09-25 08:45:40,673 WARN L193 SmtUtils]: Spent 147.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-09-25 08:45:40,921 WARN L193 SmtUtils]: Spent 142.00 ms on a formula simplification that was a NOOP. DAG size: 186 [2020-09-25 08:45:41,070 WARN L193 SmtUtils]: Spent 147.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-09-25 08:45:41,381 WARN L193 SmtUtils]: Spent 309.00 ms on a formula simplification. DAG size of input: 191 DAG size of output: 188 [2020-09-25 08:45:41,691 WARN L193 SmtUtils]: Spent 309.00 ms on a formula simplification. DAG size of input: 191 DAG size of output: 188 [2020-09-25 08:45:42,001 WARN L193 SmtUtils]: Spent 309.00 ms on a formula simplification. DAG size of input: 191 DAG size of output: 188 [2020-09-25 08:45:42,232 WARN L193 SmtUtils]: Spent 230.00 ms on a formula simplification. DAG size of input: 188 DAG size of output: 186 [2020-09-25 08:45:42,381 WARN L193 SmtUtils]: Spent 147.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-09-25 08:45:42,538 WARN L193 SmtUtils]: Spent 147.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-09-25 08:45:42,683 WARN L193 SmtUtils]: Spent 142.00 ms on a formula simplification that was a NOOP. DAG size: 186 [2020-09-25 08:45:42,830 WARN L193 SmtUtils]: Spent 146.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-09-25 08:45:42,978 WARN L193 SmtUtils]: Spent 147.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-09-25 08:45:43,125 WARN L193 SmtUtils]: Spent 146.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-09-25 08:45:43,537 WARN L193 SmtUtils]: Spent 403.00 ms on a formula simplification. DAG size of input: 135 DAG size of output: 7 [2020-09-25 08:45:43,741 WARN L193 SmtUtils]: Spent 201.00 ms on a formula simplification. DAG size of input: 136 DAG size of output: 20 [2020-09-25 08:45:43,954 WARN L193 SmtUtils]: Spent 189.00 ms on a formula simplification. DAG size of input: 133 DAG size of output: 1 [2020-09-25 08:45:44,361 WARN L193 SmtUtils]: Spent 374.00 ms on a formula simplification. DAG size of input: 135 DAG size of output: 7 [2020-09-25 08:45:44,762 WARN L193 SmtUtils]: Spent 382.00 ms on a formula simplification. DAG size of input: 136 DAG size of output: 11 [2020-09-25 08:45:44,944 WARN L193 SmtUtils]: Spent 179.00 ms on a formula simplification. DAG size of input: 128 DAG size of output: 8 [2020-09-25 08:45:45,152 WARN L193 SmtUtils]: Spent 194.00 ms on a formula simplification. DAG size of input: 136 DAG size of output: 20 [2020-09-25 08:45:45,403 WARN L193 SmtUtils]: Spent 249.00 ms on a formula simplification that was a NOOP. DAG size: 184 [2020-09-25 08:45:45,615 WARN L193 SmtUtils]: Spent 210.00 ms on a formula simplification. DAG size of input: 136 DAG size of output: 20 [2020-09-25 08:45:45,823 WARN L193 SmtUtils]: Spent 206.00 ms on a formula simplification. DAG size of input: 133 DAG size of output: 1 [2020-09-25 08:45:46,212 WARN L193 SmtUtils]: Spent 385.00 ms on a formula simplification. DAG size of input: 136 DAG size of output: 11 [2020-09-25 08:45:46,419 WARN L193 SmtUtils]: Spent 195.00 ms on a formula simplification. DAG size of input: 133 DAG size of output: 1