/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=SHALLOWEST --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_product20.cil.c -------------------------------------------------------------------------------- This is Ultimate 0.1.25-c90d42b [2020-09-24 23:37:44,622 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-09-24 23:37:44,626 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-09-24 23:37:44,652 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-09-24 23:37:44,652 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-09-24 23:37:44,653 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-09-24 23:37:44,655 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-09-24 23:37:44,657 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-09-24 23:37:44,659 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-09-24 23:37:44,660 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-09-24 23:37:44,661 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-09-24 23:37:44,662 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-09-24 23:37:44,663 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-09-24 23:37:44,664 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-09-24 23:37:44,665 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-09-24 23:37:44,666 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-09-24 23:37:44,667 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-09-24 23:37:44,668 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-09-24 23:37:44,670 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-09-24 23:37:44,672 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-09-24 23:37:44,674 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-09-24 23:37:44,675 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-09-24 23:37:44,677 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-09-24 23:37:44,678 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-09-24 23:37:44,680 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-09-24 23:37:44,680 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-09-24 23:37:44,681 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-09-24 23:37:44,682 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-09-24 23:37:44,682 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-09-24 23:37:44,683 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-09-24 23:37:44,683 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-09-24 23:37:44,684 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-09-24 23:37:44,685 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-09-24 23:37:44,686 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-09-24 23:37:44,687 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-09-24 23:37:44,688 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-09-24 23:37:44,688 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-09-24 23:37:44,689 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-09-24 23:37:44,689 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-09-24 23:37:44,690 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-09-24 23:37:44,691 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-09-24 23:37:44,692 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf [2020-09-24 23:37:44,717 INFO L113 SettingsManager]: Loading preferences was successful [2020-09-24 23:37:44,718 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-09-24 23:37:44,719 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-09-24 23:37:44,719 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-09-24 23:37:44,719 INFO L138 SettingsManager]: * Use SBE=true [2020-09-24 23:37:44,720 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-09-24 23:37:44,720 INFO L138 SettingsManager]: * sizeof long=4 [2020-09-24 23:37:44,720 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-09-24 23:37:44,720 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-09-24 23:37:44,721 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-09-24 23:37:44,721 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-09-24 23:37:44,721 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-09-24 23:37:44,721 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-09-24 23:37:44,721 INFO L138 SettingsManager]: * sizeof long double=12 [2020-09-24 23:37:44,721 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-09-24 23:37:44,722 INFO L138 SettingsManager]: * Use constant arrays=true [2020-09-24 23:37:44,722 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-09-24 23:37:44,722 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-09-24 23:37:44,722 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-09-24 23:37:44,723 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-09-24 23:37:44,723 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-09-24 23:37:44,723 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-09-24 23:37:44,723 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-09-24 23:37:44,723 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-09-24 23:37:44,724 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-09-24 23:37:44,724 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-09-24 23:37:44,724 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-09-24 23:37:44,724 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-09-24 23:37:44,724 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-09-24 23:37:44,725 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=SHALLOWEST;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=SHALLOWEST;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=SHALLOWEST;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=SHALLOWEST;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=SHALLOWEST;log-additional-information=true; [2020-09-24 23:37:45,194 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-09-24 23:37:45,212 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-09-24 23:37:45,217 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-09-24 23:37:45,219 INFO L271 PluginConnector]: Initializing CDTParser... [2020-09-24 23:37:45,219 INFO L275 PluginConnector]: CDTParser initialized [2020-09-24 23:37:45,220 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/product-lines/minepump_spec4_product20.cil.c [2020-09-24 23:37:45,314 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/5cd085a65/f34d54b80a6648a5b05e845e3216a20e/FLAGc8783dfb5 [2020-09-24 23:37:45,888 INFO L306 CDTParser]: Found 1 translation units. [2020-09-24 23:37:45,889 INFO L160 CDTParser]: Scanning /storage/repos/ultimate-2/trunk/examples/svcomp/product-lines/minepump_spec4_product20.cil.c [2020-09-24 23:37:45,916 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/5cd085a65/f34d54b80a6648a5b05e845e3216a20e/FLAGc8783dfb5 [2020-09-24 23:37:46,178 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/5cd085a65/f34d54b80a6648a5b05e845e3216a20e [2020-09-24 23:37:46,193 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-09-24 23:37:46,199 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-09-24 23:37:46,203 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-09-24 23:37:46,203 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-09-24 23:37:46,207 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-09-24 23:37:46,208 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.09 11:37:46" (1/1) ... [2020-09-24 23:37:46,213 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@51a556b5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.09 11:37:46, skipping insertion in model container [2020-09-24 23:37:46,214 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.09 11:37:46" (1/1) ... [2020-09-24 23:37:46,223 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-09-24 23:37:46,298 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-09-24 23:37:46,688 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-09-24 23:37:46,703 INFO L203 MainTranslator]: Completed pre-run [2020-09-24 23:37:46,891 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-09-24 23:37:46,937 INFO L208 MainTranslator]: Completed translation [2020-09-24 23:37:46,938 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.09 11:37:46 WrapperNode [2020-09-24 23:37:46,939 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-09-24 23:37:46,940 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-09-24 23:37:46,941 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-09-24 23:37:46,941 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-09-24 23:37:46,955 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.09 11:37:46" (1/1) ... [2020-09-24 23:37:46,956 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.09 11:37:46" (1/1) ... [2020-09-24 23:37:46,976 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.09 11:37:46" (1/1) ... [2020-09-24 23:37:46,977 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.09 11:37:46" (1/1) ... [2020-09-24 23:37:47,007 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.09 11:37:46" (1/1) ... [2020-09-24 23:37:47,017 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.09 11:37:46" (1/1) ... [2020-09-24 23:37:47,029 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.09 11:37:46" (1/1) ... [2020-09-24 23:37:47,037 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-09-24 23:37:47,038 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-09-24 23:37:47,038 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-09-24 23:37:47,038 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-09-24 23:37:47,039 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.09 11:37:46" (1/1) ... No working directory specified, using /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-09-24 23:37:47,128 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-09-24 23:37:47,128 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-09-24 23:37:47,128 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~X~int~TO~int [2020-09-24 23:37:47,129 INFO L138 BoogieDeclarations]: Found implementation of procedure select_one [2020-09-24 23:37:47,129 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2020-09-24 23:37:47,129 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2020-09-24 23:37:47,129 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2020-09-24 23:37:47,130 INFO L138 BoogieDeclarations]: Found implementation of procedure lowerWaterLevel [2020-09-24 23:37:47,131 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2020-09-24 23:37:47,131 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2020-09-24 23:37:47,131 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2020-09-24 23:37:47,131 INFO L138 BoogieDeclarations]: Found implementation of procedure printEnvironment [2020-09-24 23:37:47,131 INFO L138 BoogieDeclarations]: Found implementation of procedure getWaterLevel [2020-09-24 23:37:47,132 INFO L138 BoogieDeclarations]: Found implementation of procedure isLowWaterSensorDry [2020-09-24 23:37:47,132 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2020-09-24 23:37:47,133 INFO L138 BoogieDeclarations]: Found implementation of procedure Specification2 [2020-09-24 23:37:47,133 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2020-09-24 23:37:47,133 INFO L138 BoogieDeclarations]: Found implementation of procedure runTest [2020-09-24 23:37:47,133 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-09-24 23:37:47,134 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_set [2020-09-24 23:37:47,134 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_free [2020-09-24 23:37:47,134 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_reset [2020-09-24 23:37:47,135 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__error_stack_mgt [2020-09-24 23:37:47,135 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_arg [2020-09-24 23:37:47,135 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_argtype [2020-09-24 23:37:47,136 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2020-09-24 23:37:47,136 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification4_spec__1 [2020-09-24 23:37:47,136 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2020-09-24 23:37:47,136 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__base [2020-09-24 23:37:47,136 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment [2020-09-24 23:37:47,136 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump [2020-09-24 23:37:47,137 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivatePump [2020-09-24 23:37:47,137 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneAlarm [2020-09-24 23:37:47,137 INFO L138 BoogieDeclarations]: Found implementation of procedure isPumpRunning [2020-09-24 23:37:47,137 INFO L138 BoogieDeclarations]: Found implementation of procedure printPump [2020-09-24 23:37:47,137 INFO L138 BoogieDeclarations]: Found implementation of procedure isLowWaterLevel [2020-09-24 23:37:47,137 INFO L138 BoogieDeclarations]: Found implementation of procedure stopSystem [2020-09-24 23:37:47,137 INFO L138 BoogieDeclarations]: Found implementation of procedure startSystem [2020-09-24 23:37:47,138 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2020-09-24 23:37:47,138 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2020-09-24 23:37:47,138 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2020-09-24 23:37:47,138 INFO L130 BoogieDeclarations]: Found specification of procedure printf [2020-09-24 23:37:47,138 INFO L130 BoogieDeclarations]: Found specification of procedure select_one [2020-09-24 23:37:47,138 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2020-09-24 23:37:47,139 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2020-09-24 23:37:47,139 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2020-09-24 23:37:47,139 INFO L130 BoogieDeclarations]: Found specification of procedure lowerWaterLevel [2020-09-24 23:37:47,140 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2020-09-24 23:37:47,140 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2020-09-24 23:37:47,140 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2020-09-24 23:37:47,141 INFO L130 BoogieDeclarations]: Found specification of procedure getWaterLevel [2020-09-24 23:37:47,141 INFO L130 BoogieDeclarations]: Found specification of procedure printEnvironment [2020-09-24 23:37:47,141 INFO L130 BoogieDeclarations]: Found specification of procedure isLowWaterSensorDry [2020-09-24 23:37:47,142 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-09-24 23:37:47,142 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2020-09-24 23:37:47,142 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2020-09-24 23:37:47,142 INFO L130 BoogieDeclarations]: Found specification of procedure printPump [2020-09-24 23:37:47,142 INFO L130 BoogieDeclarations]: Found specification of procedure Specification2 [2020-09-24 23:37:47,142 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2020-09-24 23:37:47,142 INFO L130 BoogieDeclarations]: Found specification of procedure test [2020-09-24 23:37:47,143 INFO L130 BoogieDeclarations]: Found specification of procedure runTest [2020-09-24 23:37:47,143 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-09-24 23:37:47,143 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2020-09-24 23:37:47,143 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2020-09-24 23:37:47,143 INFO L130 BoogieDeclarations]: Found specification of procedure free [2020-09-24 23:37:47,144 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_set [2020-09-24 23:37:47,144 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2020-09-24 23:37:47,144 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2020-09-24 23:37:47,144 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-09-24 23:37:47,144 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2020-09-24 23:37:47,145 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_free [2020-09-24 23:37:47,145 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-09-24 23:37:47,146 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_reset [2020-09-24 23:37:47,147 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~X~int~TO~int [2020-09-24 23:37:47,147 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2020-09-24 23:37:47,147 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__error_stack_mgt [2020-09-24 23:37:47,147 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_arg [2020-09-24 23:37:47,147 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_argtype [2020-09-24 23:37:47,147 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2020-09-24 23:37:47,147 INFO L130 BoogieDeclarations]: Found specification of procedure isPumpRunning [2020-09-24 23:37:47,148 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification4_spec__1 [2020-09-24 23:37:47,148 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump [2020-09-24 23:37:47,148 INFO L130 BoogieDeclarations]: Found specification of procedure deactivatePump [2020-09-24 23:37:47,149 INFO L130 BoogieDeclarations]: Found specification of procedure stopSystem [2020-09-24 23:37:47,149 INFO L130 BoogieDeclarations]: Found specification of procedure startSystem [2020-09-24 23:37:47,149 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment [2020-09-24 23:37:47,149 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__base [2020-09-24 23:37:47,149 INFO L130 BoogieDeclarations]: Found specification of procedure isLowWaterLevel [2020-09-24 23:37:47,149 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneAlarm [2020-09-24 23:37:47,150 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-09-24 23:37:47,150 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-09-24 23:37:47,150 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-09-24 23:37:48,224 INFO L290 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-09-24 23:37:48,224 INFO L295 CfgBuilder]: Removed 5 assume(true) statements. [2020-09-24 23:37:48,231 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.09 11:37:48 BoogieIcfgContainer [2020-09-24 23:37:48,231 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-09-24 23:37:48,232 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-09-24 23:37:48,232 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-09-24 23:37:48,236 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-09-24 23:37:48,236 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 24.09 11:37:46" (1/3) ... [2020-09-24 23:37:48,237 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@41ae7466 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 24.09 11:37:48, skipping insertion in model container [2020-09-24 23:37:48,237 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.09 11:37:46" (2/3) ... [2020-09-24 23:37:48,238 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@41ae7466 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 24.09 11:37:48, skipping insertion in model container [2020-09-24 23:37:48,238 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.09 11:37:48" (3/3) ... [2020-09-24 23:37:48,240 INFO L109 eAbstractionObserver]: Analyzing ICFG minepump_spec4_product20.cil.c [2020-09-24 23:37:48,251 INFO L157 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:Craig_NestedInterpolation Determinization: PREDICATE_ABSTRACTION [2020-09-24 23:37:48,262 INFO L169 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-09-24 23:37:48,284 INFO L251 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-09-24 23:37:48,316 INFO L375 AbstractCegarLoop]: Interprodecural is true [2020-09-24 23:37:48,316 INFO L376 AbstractCegarLoop]: Hoare is true [2020-09-24 23:37:48,316 INFO L377 AbstractCegarLoop]: Compute interpolants for Craig_NestedInterpolation [2020-09-24 23:37:48,316 INFO L378 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-09-24 23:37:48,317 INFO L379 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-09-24 23:37:48,317 INFO L380 AbstractCegarLoop]: Difference is false [2020-09-24 23:37:48,317 INFO L381 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-09-24 23:37:48,317 INFO L385 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-09-24 23:37:48,343 INFO L276 IsEmpty]: Start isEmpty. Operand 285 states. [2020-09-24 23:37:48,359 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 143 [2020-09-24 23:37:48,359 INFO L414 BasicCegarLoop]: Found error trace [2020-09-24 23:37:48,361 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-09-24 23:37:48,361 INFO L427 AbstractCegarLoop]: === Iteration 1 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-24 23:37:48,367 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-24 23:37:48,368 INFO L82 PathProgramCache]: Analyzing trace with hash -303745462, now seen corresponding path program 1 times [2020-09-24 23:37:48,378 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-24 23:37:48,378 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [272236387] [2020-09-24 23:37:48,379 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-24 23:37:48,728 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 23:37:48,946 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 23:37:49,107 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 23:37:50,921 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 23:37:51,902 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 23:37:53,747 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 23:37:53,747 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 173 [2020-09-24 23:37:53,748 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 4 [2020-09-24 23:37:53,748 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5008 [2020-09-24 23:37:53,753 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-09-24 23:37:53,753 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 16 [2020-09-24 23:37:53,754 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 77 [2020-09-24 23:37:53,754 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 80 [2020-09-24 23:37:53,754 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 4 [2020-09-24 23:37:54,294 WARN L193 SmtUtils]: Spent 286.00 ms on a formula simplification that was a NOOP. DAG size: 184 [2020-09-24 23:37:54,297 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-24 23:37:54,341 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 23:37:54,383 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 23:37:54,619 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 23:37:54,620 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 85 [2020-09-24 23:37:54,620 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 23:37:54,620 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 277 [2020-09-24 23:37:54,620 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-09-24 23:37:54,621 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 23:37:54,621 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 23:37:54,621 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 73 [2020-09-24 23:37:54,621 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 23:37:54,689 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2020-09-24 23:37:54,691 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 23:37:54,692 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 23:37:54,696 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 23:37:54,696 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-24 23:37:54,696 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 23:37:54,697 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-09-24 23:37:54,697 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-09-24 23:37:54,697 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 23:37:54,697 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 23:37:54,698 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-24 23:37:54,698 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 23:37:54,700 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 86 [2020-09-24 23:37:54,701 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 23:37:54,702 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 23:37:54,705 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 23:37:54,706 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-24 23:37:54,706 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 23:37:54,706 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-09-24 23:37:54,706 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-09-24 23:37:54,707 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 23:37:54,707 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 23:37:54,707 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-24 23:37:54,707 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 23:37:54,709 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2020-09-24 23:37:54,710 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 23:37:54,713 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 23:37:54,719 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 23:37:54,719 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-24 23:37:54,719 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 23:37:54,720 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-09-24 23:37:54,720 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-09-24 23:37:54,720 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 23:37:54,720 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 23:37:54,721 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-09-24 23:37:54,721 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 23:37:54,723 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 99 [2020-09-24 23:37:54,724 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 23:37:54,726 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 23:37:54,729 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 23:37:54,729 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-24 23:37:54,729 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 23:37:54,729 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-09-24 23:37:54,730 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-09-24 23:37:54,730 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 23:37:54,730 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 23:37:54,730 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-24 23:37:54,731 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 23:37:54,732 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 120 [2020-09-24 23:37:54,733 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 23:37:54,735 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 23:37:54,743 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 23:37:54,744 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-24 23:37:54,744 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 23:37:54,744 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 9 [2020-09-24 23:37:54,744 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-09-24 23:37:54,744 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-09-24 23:37:54,745 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 23:37:54,745 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-09-24 23:37:54,745 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 23:37:54,777 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 130 [2020-09-24 23:37:54,778 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 23:37:54,780 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 23:37:54,782 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 23:37:54,782 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-24 23:37:54,783 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 23:37:54,783 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-24 23:37:54,783 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-09-24 23:37:54,783 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 23:37:54,783 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-09-24 23:37:54,784 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 23:37:54,784 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 23:37:54,843 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-09-24 23:37:54,844 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [272236387] [2020-09-24 23:37:54,849 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-24 23:37:54,849 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2020-09-24 23:37:54,850 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1241441256] [2020-09-24 23:37:54,861 INFO L459 AbstractCegarLoop]: Interpolant automaton has 8 states [2020-09-24 23:37:54,862 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-24 23:37:54,881 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2020-09-24 23:37:54,883 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=43, Unknown=0, NotChecked=0, Total=56 [2020-09-24 23:37:54,885 INFO L87 Difference]: Start difference. First operand 285 states. Second operand 8 states. [2020-09-24 23:37:55,492 WARN L193 SmtUtils]: Spent 255.00 ms on a formula simplification that was a NOOP. DAG size: 186 [2020-09-24 23:37:56,446 WARN L193 SmtUtils]: Spent 236.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-09-24 23:37:56,742 WARN L193 SmtUtils]: Spent 230.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-09-24 23:37:57,116 WARN L193 SmtUtils]: Spent 263.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-09-24 23:37:57,498 WARN L193 SmtUtils]: Spent 261.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-09-24 23:37:57,825 WARN L193 SmtUtils]: Spent 277.00 ms on a formula simplification that was a NOOP. DAG size: 186 [2020-09-24 23:37:58,136 WARN L193 SmtUtils]: Spent 253.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-09-24 23:37:58,463 WARN L193 SmtUtils]: Spent 290.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-09-24 23:38:00,120 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-24 23:38:00,120 INFO L93 Difference]: Finished difference Result 569 states and 704 transitions. [2020-09-24 23:38:00,121 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2020-09-24 23:38:00,123 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 142 [2020-09-24 23:38:00,124 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-24 23:38:00,160 INFO L225 Difference]: With dead ends: 569 [2020-09-24 23:38:00,160 INFO L226 Difference]: Without dead ends: 395 [2020-09-24 23:38:00,173 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 35 GetRequests, 21 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 21 ImplicationChecksByTransitivity, 2.5s TimeCoverageRelationStatistics Valid=65, Invalid=175, Unknown=0, NotChecked=0, Total=240 [2020-09-24 23:38:00,197 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 395 states. [2020-09-24 23:38:00,320 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 395 to 350. [2020-09-24 23:38:00,321 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 350 states. [2020-09-24 23:38:00,325 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 350 states to 350 states and 396 transitions. [2020-09-24 23:38:00,327 INFO L78 Accepts]: Start accepts. Automaton has 350 states and 396 transitions. Word has length 142 [2020-09-24 23:38:00,328 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-24 23:38:00,328 INFO L479 AbstractCegarLoop]: Abstraction has 350 states and 396 transitions. [2020-09-24 23:38:00,328 INFO L480 AbstractCegarLoop]: Interpolant automaton has 8 states. [2020-09-24 23:38:00,329 INFO L276 IsEmpty]: Start isEmpty. Operand 350 states and 396 transitions. [2020-09-24 23:38:00,335 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 149 [2020-09-24 23:38:00,335 INFO L414 BasicCegarLoop]: Found error trace [2020-09-24 23:38:00,336 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-09-24 23:38:00,336 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-09-24 23:38:00,336 INFO L427 AbstractCegarLoop]: === Iteration 2 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-24 23:38:00,337 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-24 23:38:00,337 INFO L82 PathProgramCache]: Analyzing trace with hash -1437367910, now seen corresponding path program 1 times [2020-09-24 23:38:00,337 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-24 23:38:00,337 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [823291033] [2020-09-24 23:38:00,338 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-24 23:38:00,391 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 23:38:00,443 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 23:38:00,540 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 23:38:01,549 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 23:38:05,430 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 23:38:05,430 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 181 [2020-09-24 23:38:05,431 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-09-24 23:38:05,431 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5036 [2020-09-24 23:38:05,431 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-09-24 23:38:05,431 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 12 [2020-09-24 23:38:05,431 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 81 [2020-09-24 23:38:05,432 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 59 [2020-09-24 23:38:05,432 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 23:38:05,746 WARN L193 SmtUtils]: Spent 200.00 ms on a formula simplification that was a NOOP. DAG size: 184 [2020-09-24 23:38:05,747 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-24 23:38:05,792 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 23:38:05,835 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 23:38:06,057 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 23:38:06,058 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 85 [2020-09-24 23:38:06,058 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 23:38:06,059 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 262 [2020-09-24 23:38:06,059 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-09-24 23:38:06,060 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 23:38:06,060 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 23:38:06,061 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 77 [2020-09-24 23:38:06,061 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 2 [2020-09-24 23:38:06,118 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2020-09-24 23:38:06,119 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 23:38:06,120 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 23:38:06,124 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 23:38:06,124 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-24 23:38:06,124 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 23:38:06,124 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-09-24 23:38:06,125 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-09-24 23:38:06,125 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 23:38:06,125 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 23:38:06,125 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-24 23:38:06,125 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 23:38:06,128 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 86 [2020-09-24 23:38:06,129 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 23:38:06,132 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 23:38:06,137 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 23:38:06,138 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-24 23:38:06,138 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 23:38:06,139 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-09-24 23:38:06,139 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-09-24 23:38:06,139 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 23:38:06,140 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 23:38:06,140 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-24 23:38:06,140 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 23:38:06,143 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2020-09-24 23:38:06,145 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 23:38:06,149 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 23:38:06,160 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 23:38:06,160 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-24 23:38:06,160 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 23:38:06,161 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 12 [2020-09-24 23:38:06,161 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-09-24 23:38:06,161 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 23:38:06,161 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 23:38:06,162 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-09-24 23:38:06,162 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 23:38:06,164 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 99 [2020-09-24 23:38:06,166 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 23:38:06,167 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 23:38:06,171 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 23:38:06,172 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-24 23:38:06,172 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 23:38:06,173 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-09-24 23:38:06,173 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-09-24 23:38:06,173 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 23:38:06,174 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 23:38:06,174 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-24 23:38:06,175 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 23:38:06,188 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 117 [2020-09-24 23:38:06,189 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 23:38:06,191 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 23:38:06,194 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 23:38:06,194 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-09-24 23:38:06,195 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 23:38:06,195 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-09-24 23:38:06,195 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-09-24 23:38:06,195 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 23:38:06,195 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 7 [2020-09-24 23:38:06,196 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 23:38:06,196 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 23:38:06,198 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 126 [2020-09-24 23:38:06,199 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 23:38:06,200 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 23:38:06,203 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 23:38:06,203 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-24 23:38:06,204 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 23:38:06,204 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-24 23:38:06,204 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-09-24 23:38:06,205 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 23:38:06,205 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-09-24 23:38:06,205 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 23:38:06,206 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 23:38:06,208 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 136 [2020-09-24 23:38:06,209 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 23:38:06,211 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 23:38:06,213 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 23:38:06,213 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-24 23:38:06,213 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 23:38:06,214 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-24 23:38:06,214 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-09-24 23:38:06,215 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 23:38:06,215 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-09-24 23:38:06,215 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 23:38:06,216 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 23:38:06,267 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-09-24 23:38:06,268 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [823291033] [2020-09-24 23:38:06,268 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-24 23:38:06,268 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2020-09-24 23:38:06,272 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [820440462] [2020-09-24 23:38:06,278 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-09-24 23:38:06,279 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-24 23:38:06,279 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-09-24 23:38:06,280 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-09-24 23:38:06,280 INFO L87 Difference]: Start difference. First operand 350 states and 396 transitions. Second operand 5 states. [2020-09-24 23:38:06,827 WARN L193 SmtUtils]: Spent 283.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-09-24 23:38:07,588 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-24 23:38:07,588 INFO L93 Difference]: Finished difference Result 538 states and 641 transitions. [2020-09-24 23:38:07,589 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2020-09-24 23:38:07,589 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 148 [2020-09-24 23:38:07,590 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-24 23:38:07,592 INFO L225 Difference]: With dead ends: 538 [2020-09-24 23:38:07,593 INFO L226 Difference]: Without dead ends: 287 [2020-09-24 23:38:07,595 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 27 GetRequests, 21 SyntacticMatches, 1 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=18, Invalid=24, Unknown=0, NotChecked=0, Total=42 [2020-09-24 23:38:07,596 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 287 states. [2020-09-24 23:38:07,640 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 287 to 264. [2020-09-24 23:38:07,640 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 264 states. [2020-09-24 23:38:07,642 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 264 states to 264 states and 282 transitions. [2020-09-24 23:38:07,642 INFO L78 Accepts]: Start accepts. Automaton has 264 states and 282 transitions. Word has length 148 [2020-09-24 23:38:07,643 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-24 23:38:07,643 INFO L479 AbstractCegarLoop]: Abstraction has 264 states and 282 transitions. [2020-09-24 23:38:07,643 INFO L480 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-09-24 23:38:07,643 INFO L276 IsEmpty]: Start isEmpty. Operand 264 states and 282 transitions. [2020-09-24 23:38:07,646 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 162 [2020-09-24 23:38:07,646 INFO L414 BasicCegarLoop]: Found error trace [2020-09-24 23:38:07,647 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] [2020-09-24 23:38:07,647 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-09-24 23:38:07,647 INFO L427 AbstractCegarLoop]: === Iteration 3 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-24 23:38:07,648 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-24 23:38:07,648 INFO L82 PathProgramCache]: Analyzing trace with hash 235395609, now seen corresponding path program 1 times [2020-09-24 23:38:07,648 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-24 23:38:07,648 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [779980894] [2020-09-24 23:38:07,649 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-24 23:38:07,698 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 23:38:07,750 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 23:38:07,973 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 23:38:09,142 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 23:38:09,385 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 23:38:12,701 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 23:38:12,701 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 194 [2020-09-24 23:38:12,701 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 4 [2020-09-24 23:38:12,702 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5000 [2020-09-24 23:38:12,702 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-09-24 23:38:12,702 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 17 [2020-09-24 23:38:12,702 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 77 [2020-09-24 23:38:12,702 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 101 [2020-09-24 23:38:12,703 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 23:38:13,091 WARN L193 SmtUtils]: Spent 275.00 ms on a formula simplification that was a NOOP. DAG size: 184 [2020-09-24 23:38:13,092 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-24 23:38:13,129 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 23:38:13,168 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 23:38:13,369 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 23:38:13,369 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 85 [2020-09-24 23:38:13,369 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 23:38:13,369 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 238 [2020-09-24 23:38:13,370 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-09-24 23:38:13,370 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 23:38:13,370 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 23:38:13,370 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 73 [2020-09-24 23:38:13,371 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 23:38:13,424 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2020-09-24 23:38:13,425 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 23:38:13,429 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 23:38:13,433 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 23:38:13,434 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-24 23:38:13,434 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 23:38:13,434 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-09-24 23:38:13,435 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-09-24 23:38:13,435 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 23:38:13,436 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 23:38:13,436 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-24 23:38:13,436 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 23:38:13,438 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 86 [2020-09-24 23:38:13,439 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 23:38:13,441 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 23:38:13,444 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 23:38:13,444 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-24 23:38:13,445 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 23:38:13,446 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-09-24 23:38:13,446 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-09-24 23:38:13,447 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 23:38:13,447 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 23:38:13,448 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-24 23:38:13,448 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 23:38:13,450 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2020-09-24 23:38:13,451 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 23:38:13,454 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 23:38:13,462 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 23:38:13,462 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-24 23:38:13,463 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 23:38:13,463 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 9 [2020-09-24 23:38:13,463 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-09-24 23:38:13,464 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 23:38:13,464 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 23:38:13,465 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-09-24 23:38:13,465 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 23:38:13,467 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 99 [2020-09-24 23:38:13,468 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 23:38:13,470 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 23:38:13,473 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 23:38:13,473 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-24 23:38:13,473 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 23:38:13,474 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-24 23:38:13,474 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-09-24 23:38:13,474 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 23:38:13,475 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 23:38:13,475 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-24 23:38:13,475 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 23:38:13,491 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 116 [2020-09-24 23:38:13,493 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 23:38:13,495 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 23:38:13,507 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 23:38:13,507 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-09-24 23:38:13,507 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 23:38:13,508 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 12 [2020-09-24 23:38:13,508 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-09-24 23:38:13,508 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-09-24 23:38:13,508 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-09-24 23:38:13,508 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 9 [2020-09-24 23:38:13,509 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 23:38:13,574 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 129 [2020-09-24 23:38:13,576 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 23:38:13,582 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 23:38:13,586 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 23:38:13,586 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-24 23:38:13,587 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 23:38:13,587 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 9 [2020-09-24 23:38:13,587 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-09-24 23:38:13,587 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 23:38:13,588 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 23:38:13,588 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-09-24 23:38:13,588 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 23:38:13,593 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 139 [2020-09-24 23:38:13,595 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 23:38:13,597 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 23:38:13,606 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 23:38:13,607 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-24 23:38:13,607 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 23:38:13,607 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 10 [2020-09-24 23:38:13,608 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-09-24 23:38:13,608 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-09-24 23:38:13,608 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 23:38:13,611 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-09-24 23:38:13,611 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 3 [2020-09-24 23:38:13,658 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 149 [2020-09-24 23:38:13,659 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 23:38:13,661 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 23:38:13,662 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 23:38:13,662 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-24 23:38:13,663 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 23:38:13,663 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-24 23:38:13,663 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-09-24 23:38:13,663 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 23:38:13,664 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-09-24 23:38:13,664 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 23:38:13,664 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 23:38:13,717 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-09-24 23:38:13,717 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [779980894] [2020-09-24 23:38:13,718 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-24 23:38:13,718 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2020-09-24 23:38:13,719 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1870533709] [2020-09-24 23:38:13,720 INFO L459 AbstractCegarLoop]: Interpolant automaton has 12 states [2020-09-24 23:38:13,721 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-24 23:38:13,721 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2020-09-24 23:38:13,722 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=24, Invalid=108, Unknown=0, NotChecked=0, Total=132 [2020-09-24 23:38:13,722 INFO L87 Difference]: Start difference. First operand 264 states and 282 transitions. Second operand 12 states. [2020-09-24 23:38:14,335 WARN L193 SmtUtils]: Spent 206.00 ms on a formula simplification that was a NOOP. DAG size: 186 [2020-09-24 23:38:15,607 WARN L193 SmtUtils]: Spent 269.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-09-24 23:38:15,950 WARN L193 SmtUtils]: Spent 279.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-09-24 23:38:16,288 WARN L193 SmtUtils]: Spent 273.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-09-24 23:38:16,603 WARN L193 SmtUtils]: Spent 284.00 ms on a formula simplification that was a NOOP. DAG size: 193 [2020-09-24 23:38:16,911 WARN L193 SmtUtils]: Spent 280.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-09-24 23:38:17,579 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-24 23:38:17,579 INFO L93 Difference]: Finished difference Result 412 states and 475 transitions. [2020-09-24 23:38:17,580 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2020-09-24 23:38:17,580 INFO L78 Accepts]: Start accepts. Automaton has 12 states. Word has length 161 [2020-09-24 23:38:17,581 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-24 23:38:17,582 INFO L225 Difference]: With dead ends: 412 [2020-09-24 23:38:17,582 INFO L226 Difference]: Without dead ends: 0 [2020-09-24 23:38:17,584 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 45 GetRequests, 22 SyntacticMatches, 1 SemanticMatches, 22 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 58 ImplicationChecksByTransitivity, 2.2s TimeCoverageRelationStatistics Valid=142, Invalid=410, Unknown=0, NotChecked=0, Total=552 [2020-09-24 23:38:17,584 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2020-09-24 23:38:17,584 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2020-09-24 23:38:17,585 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2020-09-24 23:38:17,585 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2020-09-24 23:38:17,585 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 161 [2020-09-24 23:38:17,585 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-24 23:38:17,585 INFO L479 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-09-24 23:38:17,585 INFO L480 AbstractCegarLoop]: Interpolant automaton has 12 states. [2020-09-24 23:38:17,586 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2020-09-24 23:38:17,586 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-09-24 23:38:17,586 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-09-24 23:38:17,589 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2020-09-24 23:38:17,810 WARN L193 SmtUtils]: Spent 216.00 ms on a formula simplification. DAG size of input: 202 DAG size of output: 17 [2020-09-24 23:38:17,987 WARN L193 SmtUtils]: Spent 172.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-24 23:38:18,168 WARN L193 SmtUtils]: Spent 174.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-09-24 23:38:18,342 WARN L193 SmtUtils]: Spent 172.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-09-24 23:38:18,704 WARN L193 SmtUtils]: Spent 359.00 ms on a formula simplification. DAG size of input: 191 DAG size of output: 189 [2020-09-24 23:38:19,057 WARN L193 SmtUtils]: Spent 350.00 ms on a formula simplification. DAG size of input: 192 DAG size of output: 190 [2020-09-24 23:38:19,415 WARN L193 SmtUtils]: Spent 346.00 ms on a formula simplification. DAG size of input: 192 DAG size of output: 190 [2020-09-24 23:38:19,573 WARN L193 SmtUtils]: Spent 155.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-24 23:38:19,731 WARN L193 SmtUtils]: Spent 156.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-24 23:38:19,890 WARN L193 SmtUtils]: Spent 158.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-24 23:38:20,223 WARN L193 SmtUtils]: Spent 330.00 ms on a formula simplification. DAG size of input: 192 DAG size of output: 190 [2020-09-24 23:38:20,377 WARN L193 SmtUtils]: Spent 153.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-24 23:38:20,699 WARN L193 SmtUtils]: Spent 321.00 ms on a formula simplification. DAG size of input: 191 DAG size of output: 189 [2020-09-24 23:38:20,862 WARN L193 SmtUtils]: Spent 158.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-24 23:38:21,020 WARN L193 SmtUtils]: Spent 157.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-09-24 23:38:21,179 WARN L193 SmtUtils]: Spent 156.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-09-24 23:38:21,336 WARN L193 SmtUtils]: Spent 156.00 ms on a formula simplification. DAG size of input: 202 DAG size of output: 17 [2020-09-24 23:38:21,496 WARN L193 SmtUtils]: Spent 157.00 ms on a formula simplification. DAG size of input: 202 DAG size of output: 17 [2020-09-24 23:38:21,659 WARN L193 SmtUtils]: Spent 157.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-09-24 23:38:21,813 WARN L193 SmtUtils]: Spent 152.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-24 23:38:21,973 WARN L193 SmtUtils]: Spent 158.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-09-24 23:38:22,126 WARN L193 SmtUtils]: Spent 152.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-24 23:38:22,284 WARN L193 SmtUtils]: Spent 156.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-09-24 23:38:22,441 WARN L193 SmtUtils]: Spent 156.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-09-24 23:38:22,581 WARN L193 SmtUtils]: Spent 138.00 ms on a formula simplification that was a NOOP. DAG size: 184 [2020-09-24 23:38:22,738 WARN L193 SmtUtils]: Spent 152.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-24 23:38:22,896 WARN L193 SmtUtils]: Spent 156.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-09-24 23:38:23,057 WARN L193 SmtUtils]: Spent 157.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-09-24 23:38:23,211 WARN L193 SmtUtils]: Spent 151.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-24 23:38:23,364 WARN L193 SmtUtils]: Spent 152.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-24 23:38:23,518 WARN L193 SmtUtils]: Spent 152.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-24 23:38:23,676 WARN L193 SmtUtils]: Spent 157.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-09-24 23:38:23,829 WARN L193 SmtUtils]: Spent 152.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-24 23:38:23,982 WARN L193 SmtUtils]: Spent 151.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-24 23:38:24,137 WARN L193 SmtUtils]: Spent 151.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-24 23:38:24,295 WARN L193 SmtUtils]: Spent 156.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-09-24 23:38:24,461 WARN L193 SmtUtils]: Spent 162.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-09-24 23:38:24,620 WARN L193 SmtUtils]: Spent 156.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-09-24 23:38:24,779 WARN L193 SmtUtils]: Spent 157.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-09-24 23:38:24,932 WARN L193 SmtUtils]: Spent 152.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-24 23:38:25,086 WARN L193 SmtUtils]: Spent 151.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-24 23:38:25,244 WARN L193 SmtUtils]: Spent 156.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-09-24 23:38:25,402 WARN L193 SmtUtils]: Spent 156.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-09-24 23:38:25,654 WARN L193 SmtUtils]: Spent 152.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-24 23:38:25,812 WARN L193 SmtUtils]: Spent 156.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-09-24 23:38:25,964 WARN L193 SmtUtils]: Spent 151.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-24 23:38:26,125 WARN L193 SmtUtils]: Spent 159.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-09-24 23:38:26,283 WARN L193 SmtUtils]: Spent 156.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-09-24 23:38:26,444 WARN L193 SmtUtils]: Spent 151.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-24 23:38:26,605 WARN L193 SmtUtils]: Spent 157.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-09-24 23:38:26,763 WARN L193 SmtUtils]: Spent 152.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-24 23:38:26,923 WARN L193 SmtUtils]: Spent 156.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-09-24 23:38:27,086 WARN L193 SmtUtils]: Spent 151.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-24 23:38:27,243 WARN L193 SmtUtils]: Spent 156.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-09-24 23:38:27,402 WARN L193 SmtUtils]: Spent 156.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-09-24 23:38:27,556 WARN L193 SmtUtils]: Spent 151.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-24 23:38:27,709 WARN L193 SmtUtils]: Spent 152.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-24 23:38:27,873 WARN L193 SmtUtils]: Spent 163.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-24 23:38:28,031 WARN L193 SmtUtils]: Spent 156.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-09-24 23:38:28,184 WARN L193 SmtUtils]: Spent 151.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-24 23:38:28,338 WARN L193 SmtUtils]: Spent 153.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-24 23:38:28,493 WARN L193 SmtUtils]: Spent 152.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-24 23:38:28,646 WARN L193 SmtUtils]: Spent 152.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-24 23:38:28,800 WARN L193 SmtUtils]: Spent 152.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-24 23:38:28,953 WARN L193 SmtUtils]: Spent 152.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-24 23:38:29,113 WARN L193 SmtUtils]: Spent 156.00 ms on a formula simplification. DAG size of input: 202 DAG size of output: 17 [2020-09-24 23:38:29,270 WARN L193 SmtUtils]: Spent 156.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-09-24 23:38:29,428 WARN L193 SmtUtils]: Spent 156.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-09-24 23:38:29,585 WARN L193 SmtUtils]: Spent 156.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-09-24 23:38:29,740 WARN L193 SmtUtils]: Spent 152.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-24 23:38:30,063 WARN L193 SmtUtils]: Spent 320.00 ms on a formula simplification. DAG size of input: 191 DAG size of output: 189 [2020-09-24 23:38:30,217 WARN L193 SmtUtils]: Spent 152.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-24 23:38:30,535 WARN L193 SmtUtils]: Spent 316.00 ms on a formula simplification. DAG size of input: 191 DAG size of output: 189 [2020-09-24 23:38:30,692 WARN L193 SmtUtils]: Spent 155.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-24 23:38:31,010 WARN L193 SmtUtils]: Spent 316.00 ms on a formula simplification. DAG size of input: 191 DAG size of output: 189 [2020-09-24 23:38:31,164 WARN L193 SmtUtils]: Spent 152.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-24 23:38:31,482 WARN L193 SmtUtils]: Spent 317.00 ms on a formula simplification. DAG size of input: 191 DAG size of output: 189 [2020-09-24 23:38:31,641 WARN L193 SmtUtils]: Spent 151.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-24 23:38:31,799 WARN L193 SmtUtils]: Spent 156.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-09-24 23:38:31,958 WARN L193 SmtUtils]: Spent 157.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-09-24 23:38:32,114 WARN L193 SmtUtils]: Spent 155.00 ms on a formula simplification. DAG size of input: 202 DAG size of output: 17 [2020-09-24 23:38:32,275 WARN L193 SmtUtils]: Spent 155.00 ms on a formula simplification. DAG size of input: 202 DAG size of output: 17 [2020-09-24 23:38:32,433 WARN L193 SmtUtils]: Spent 157.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-09-24 23:38:32,597 WARN L193 SmtUtils]: Spent 152.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-24 23:38:32,750 WARN L193 SmtUtils]: Spent 152.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-24 23:38:32,903 WARN L193 SmtUtils]: Spent 152.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-24 23:38:33,056 WARN L193 SmtUtils]: Spent 152.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-24 23:38:33,214 WARN L193 SmtUtils]: Spent 156.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-09-24 23:38:33,371 WARN L193 SmtUtils]: Spent 156.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-09-24 23:38:33,529 WARN L193 SmtUtils]: Spent 156.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-09-24 23:38:33,688 WARN L193 SmtUtils]: Spent 156.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-09-24 23:38:33,840 WARN L193 SmtUtils]: Spent 151.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-24 23:38:33,994 WARN L193 SmtUtils]: Spent 152.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-24 23:38:34,152 WARN L193 SmtUtils]: Spent 156.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-09-24 23:38:34,633 WARN L193 SmtUtils]: Spent 435.00 ms on a formula simplification. DAG size of input: 140 DAG size of output: 13 [2020-09-24 23:38:34,848 WARN L193 SmtUtils]: Spent 213.00 ms on a formula simplification. DAG size of input: 142 DAG size of output: 22 [2020-09-24 23:38:35,301 WARN L193 SmtUtils]: Spent 448.00 ms on a formula simplification. DAG size of input: 146 DAG size of output: 16 [2020-09-24 23:38:35,533 WARN L193 SmtUtils]: Spent 227.00 ms on a formula simplification. DAG size of input: 137 DAG size of output: 1 [2020-09-24 23:38:35,888 WARN L193 SmtUtils]: Spent 223.00 ms on a formula simplification. DAG size of input: 142 DAG size of output: 22 [2020-09-24 23:38:36,312 WARN L193 SmtUtils]: Spent 420.00 ms on a formula simplification. DAG size of input: 138 DAG size of output: 14 [2020-09-24 23:38:36,563 WARN L193 SmtUtils]: Spent 249.00 ms on a formula simplification that was a NOOP. DAG size: 184 [2020-09-24 23:38:36,949 WARN L193 SmtUtils]: Spent 381.00 ms on a formula simplification. DAG size of input: 145 DAG size of output: 16 [2020-09-24 23:38:37,172 WARN L193 SmtUtils]: Spent 220.00 ms on a formula simplification. DAG size of input: 137 DAG size of output: 1 [2020-09-24 23:38:37,631 WARN L193 SmtUtils]: Spent 440.00 ms on a formula simplification. DAG size of input: 138 DAG size of output: 14 [2020-09-24 23:38:38,157 WARN L193 SmtUtils]: Spent 429.00 ms on a formula simplification. DAG size of input: 140 DAG size of output: 13 [2020-09-24 23:38:38,403 WARN L193 SmtUtils]: Spent 220.00 ms on a formula simplification. DAG size of input: 137 DAG size of output: 1 [2020-09-24 23:38:38,630 WARN L193 SmtUtils]: Spent 224.00 ms on a formula simplification. DAG size of input: 137 DAG size of output: 1 [2020-09-24 23:38:39,072 WARN L193 SmtUtils]: Spent 416.00 ms on a formula simplification. DAG size of input: 145 DAG size of output: 16 [2020-09-24 23:38:39,487 WARN L193 SmtUtils]: Spent 411.00 ms on a formula simplification. DAG size of input: 143 DAG size of output: 16