/usr/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata ./data -tc ../../../trunk/examples/toolchains/AutomizerC.xml --traceabstraction.trace.refinement.strategy FIXED_PREFERENCES --traceabstraction.compute.interpolants.along.a.counterexample Craig_NestedInterpolation --traceabstraction.smt.solver Internal_SMTInterpol --traceabstraction.compute.trace.for.counterexample.result false --rcfgbuilder.size.of.a.code.block SingleStatement --traceabstraction.use.minimal.unsat.core.enumeration true --traceabstraction.additional.smt.options produce-proofs=true --traceabstraction.additional.smt.options produce-unsat-cores=true --traceabstraction.additional.smt.options enumeration-timeout=5000 --traceabstraction.additional.smt.options interpolation-heuristic=SMALLESTAMONGWIDE --traceabstraction.additional.smt.options tolerance=0.5 --traceabstraction.additional.smt.options log-additional-information=true -s ../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf -i ../../../trunk/examples/svcomp/product-lines/minepump_spec2_product11.cil.c -------------------------------------------------------------------------------- This is Ultimate 0.1.25-c90d42b [2020-09-25 14:14:58,052 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-09-25 14:14:58,057 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-09-25 14:14:58,104 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-09-25 14:14:58,104 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-09-25 14:14:58,115 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-09-25 14:14:58,117 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-09-25 14:14:58,121 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-09-25 14:14:58,123 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-09-25 14:14:58,127 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-09-25 14:14:58,128 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-09-25 14:14:58,129 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-09-25 14:14:58,129 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-09-25 14:14:58,132 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-09-25 14:14:58,136 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-09-25 14:14:58,139 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-09-25 14:14:58,139 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-09-25 14:14:58,142 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-09-25 14:14:58,144 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-09-25 14:14:58,149 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-09-25 14:14:58,151 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-09-25 14:14:58,153 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-09-25 14:14:58,154 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-09-25 14:14:58,154 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-09-25 14:14:58,159 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-09-25 14:14:58,159 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-09-25 14:14:58,160 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-09-25 14:14:58,163 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-09-25 14:14:58,163 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-09-25 14:14:58,164 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-09-25 14:14:58,164 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-09-25 14:14:58,165 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-09-25 14:14:58,166 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-09-25 14:14:58,166 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-09-25 14:14:58,168 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-09-25 14:14:58,168 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-09-25 14:14:58,169 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-09-25 14:14:58,169 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-09-25 14:14:58,169 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-09-25 14:14:58,170 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-09-25 14:14:58,172 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-09-25 14:14:58,173 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 14:14:58,217 INFO L113 SettingsManager]: Loading preferences was successful [2020-09-25 14:14:58,218 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-09-25 14:14:58,220 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-09-25 14:14:58,220 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-09-25 14:14:58,220 INFO L138 SettingsManager]: * Use SBE=true [2020-09-25 14:14:58,220 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-09-25 14:14:58,221 INFO L138 SettingsManager]: * sizeof long=4 [2020-09-25 14:14:58,221 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-09-25 14:14:58,221 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-09-25 14:14:58,221 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-09-25 14:14:58,222 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-09-25 14:14:58,223 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-09-25 14:14:58,223 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-09-25 14:14:58,223 INFO L138 SettingsManager]: * sizeof long double=12 [2020-09-25 14:14:58,224 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-09-25 14:14:58,224 INFO L138 SettingsManager]: * Use constant arrays=true [2020-09-25 14:14:58,224 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-09-25 14:14:58,224 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-09-25 14:14:58,225 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-09-25 14:14:58,225 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-09-25 14:14:58,225 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-09-25 14:14:58,225 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-09-25 14:14:58,225 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-09-25 14:14:58,226 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-09-25 14:14:58,226 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-09-25 14:14:58,226 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-09-25 14:14:58,226 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-09-25 14:14:58,226 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-09-25 14:14:58,227 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-09-25 14:14:58,227 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Trace refinement strategy -> FIXED_PREFERENCES Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute Interpolants along a Counterexample -> Craig_NestedInterpolation Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: SMT solver -> Internal_SMTInterpol Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute trace for counterexample result -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder: Size of a code block -> SingleStatement Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Use minimal unsat core enumeration -> true Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=5000;interpolation-heuristic=SMALLESTAMONGWIDE;tolerance=0.5;log-additional-information=true; Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=5000;interpolation-heuristic=SMALLESTAMONGWIDE;tolerance=0.5;log-additional-information=true; Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=5000;interpolation-heuristic=SMALLESTAMONGWIDE;tolerance=0.5;log-additional-information=true; Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=5000;interpolation-heuristic=SMALLESTAMONGWIDE;tolerance=0.5;log-additional-information=true; Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=5000;interpolation-heuristic=SMALLESTAMONGWIDE;tolerance=0.5;log-additional-information=true; Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=5000;interpolation-heuristic=SMALLESTAMONGWIDE;tolerance=0.5;log-additional-information=true; [2020-09-25 14:14:58,670 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-09-25 14:14:58,688 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-09-25 14:14:58,692 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-09-25 14:14:58,694 INFO L271 PluginConnector]: Initializing CDTParser... [2020-09-25 14:14:58,695 INFO L275 PluginConnector]: CDTParser initialized [2020-09-25 14:14:58,696 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/product-lines/minepump_spec2_product11.cil.c [2020-09-25 14:14:58,786 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/28571c09b/437b860e733b49d3bbb06cd7b5d10645/FLAG72fec3ee2 [2020-09-25 14:14:59,457 INFO L306 CDTParser]: Found 1 translation units. [2020-09-25 14:14:59,458 INFO L160 CDTParser]: Scanning /storage/repos/ultimate-2/trunk/examples/svcomp/product-lines/minepump_spec2_product11.cil.c [2020-09-25 14:14:59,474 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/28571c09b/437b860e733b49d3bbb06cd7b5d10645/FLAG72fec3ee2 [2020-09-25 14:14:59,756 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/28571c09b/437b860e733b49d3bbb06cd7b5d10645 [2020-09-25 14:14:59,770 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-09-25 14:14:59,775 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-09-25 14:14:59,776 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-09-25 14:14:59,776 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-09-25 14:14:59,781 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-09-25 14:14:59,782 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.09 02:14:59" (1/1) ... [2020-09-25 14:14:59,787 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7405883a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 02:14:59, skipping insertion in model container [2020-09-25 14:14:59,787 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.09 02:14:59" (1/1) ... [2020-09-25 14:14:59,797 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-09-25 14:14:59,861 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-09-25 14:15:00,379 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-09-25 14:15:00,402 INFO L203 MainTranslator]: Completed pre-run [2020-09-25 14:15:00,523 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-09-25 14:15:00,558 INFO L208 MainTranslator]: Completed translation [2020-09-25 14:15:00,559 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 02:15:00 WrapperNode [2020-09-25 14:15:00,559 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-09-25 14:15:00,560 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-09-25 14:15:00,560 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-09-25 14:15:00,560 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-09-25 14:15:00,575 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 02:15:00" (1/1) ... [2020-09-25 14:15:00,576 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 02:15:00" (1/1) ... [2020-09-25 14:15:00,597 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 02:15:00" (1/1) ... [2020-09-25 14:15:00,598 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 02:15:00" (1/1) ... [2020-09-25 14:15:00,628 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 02:15:00" (1/1) ... [2020-09-25 14:15:00,640 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 02:15:00" (1/1) ... [2020-09-25 14:15:00,645 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 02:15:00" (1/1) ... [2020-09-25 14:15:00,653 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-09-25 14:15:00,654 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-09-25 14:15:00,654 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-09-25 14:15:00,655 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-09-25 14:15:00,656 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 02:15:00" (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 14:15:00,771 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-09-25 14:15:00,771 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-09-25 14:15:00,771 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~X~int~TO~int [2020-09-25 14:15:00,771 INFO L138 BoogieDeclarations]: Found implementation of procedure select_one [2020-09-25 14:15:00,771 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2020-09-25 14:15:00,772 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2020-09-25 14:15:00,772 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2020-09-25 14:15:00,773 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_set [2020-09-25 14:15:00,773 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_free [2020-09-25 14:15:00,773 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_reset [2020-09-25 14:15:00,774 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__error_stack_mgt [2020-09-25 14:15:00,774 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_arg [2020-09-25 14:15:00,774 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_argtype [2020-09-25 14:15:00,774 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2020-09-25 14:15:00,774 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment [2020-09-25 14:15:00,775 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump__wrappee__base [2020-09-25 14:15:00,776 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump [2020-09-25 14:15:00,776 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivatePump [2020-09-25 14:15:00,776 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneAlarm [2020-09-25 14:15:00,776 INFO L138 BoogieDeclarations]: Found implementation of procedure isPumpRunning [2020-09-25 14:15:00,776 INFO L138 BoogieDeclarations]: Found implementation of procedure printPump [2020-09-25 14:15:00,777 INFO L138 BoogieDeclarations]: Found implementation of procedure stopSystem [2020-09-25 14:15:00,777 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2020-09-25 14:15:00,777 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2020-09-25 14:15:00,777 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification2_spec__1 [2020-09-25 14:15:00,778 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification2_spec__2 [2020-09-25 14:15:00,778 INFO L138 BoogieDeclarations]: Found implementation of procedure lowerWaterLevel [2020-09-25 14:15:00,779 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2020-09-25 14:15:00,779 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2020-09-25 14:15:00,779 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2020-09-25 14:15:00,779 INFO L138 BoogieDeclarations]: Found implementation of procedure printEnvironment [2020-09-25 14:15:00,779 INFO L138 BoogieDeclarations]: Found implementation of procedure getWaterLevel [2020-09-25 14:15:00,779 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2020-09-25 14:15:00,779 INFO L138 BoogieDeclarations]: Found implementation of procedure Specification2 [2020-09-25 14:15:00,780 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2020-09-25 14:15:00,780 INFO L138 BoogieDeclarations]: Found implementation of procedure runTest [2020-09-25 14:15:00,780 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-09-25 14:15:00,780 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2020-09-25 14:15:00,780 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2020-09-25 14:15:00,780 INFO L130 BoogieDeclarations]: Found specification of procedure printf [2020-09-25 14:15:00,781 INFO L130 BoogieDeclarations]: Found specification of procedure select_one [2020-09-25 14:15:00,781 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2020-09-25 14:15:00,781 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2020-09-25 14:15:00,781 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2020-09-25 14:15:00,781 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2020-09-25 14:15:00,781 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2020-09-25 14:15:00,782 INFO L130 BoogieDeclarations]: Found specification of procedure free [2020-09-25 14:15:00,782 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_set [2020-09-25 14:15:00,782 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2020-09-25 14:15:00,782 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2020-09-25 14:15:00,782 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-09-25 14:15:00,783 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2020-09-25 14:15:00,783 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_free [2020-09-25 14:15:00,783 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-09-25 14:15:00,783 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_reset [2020-09-25 14:15:00,784 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~X~int~TO~int [2020-09-25 14:15:00,784 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2020-09-25 14:15:00,784 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__error_stack_mgt [2020-09-25 14:15:00,784 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_arg [2020-09-25 14:15:00,784 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-09-25 14:15:00,784 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_argtype [2020-09-25 14:15:00,785 INFO L130 BoogieDeclarations]: Found specification of procedure lowerWaterLevel [2020-09-25 14:15:00,785 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2020-09-25 14:15:00,785 INFO L130 BoogieDeclarations]: Found specification of procedure printEnvironment [2020-09-25 14:15:00,785 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2020-09-25 14:15:00,785 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump [2020-09-25 14:15:00,786 INFO L130 BoogieDeclarations]: Found specification of procedure deactivatePump [2020-09-25 14:15:00,786 INFO L130 BoogieDeclarations]: Found specification of procedure isPumpRunning [2020-09-25 14:15:00,786 INFO L130 BoogieDeclarations]: Found specification of procedure printPump [2020-09-25 14:15:00,787 INFO L130 BoogieDeclarations]: Found specification of procedure stopSystem [2020-09-25 14:15:00,787 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification2_spec__2 [2020-09-25 14:15:00,789 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment [2020-09-25 14:15:00,789 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump__wrappee__base [2020-09-25 14:15:00,789 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneAlarm [2020-09-25 14:15:00,789 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2020-09-25 14:15:00,789 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2020-09-25 14:15:00,789 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2020-09-25 14:15:00,790 INFO L130 BoogieDeclarations]: Found specification of procedure test [2020-09-25 14:15:00,790 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2020-09-25 14:15:00,790 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification2_spec__1 [2020-09-25 14:15:00,790 INFO L130 BoogieDeclarations]: Found specification of procedure getWaterLevel [2020-09-25 14:15:00,790 INFO L130 BoogieDeclarations]: Found specification of procedure Specification2 [2020-09-25 14:15:00,791 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2020-09-25 14:15:00,791 INFO L130 BoogieDeclarations]: Found specification of procedure runTest [2020-09-25 14:15:00,792 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-09-25 14:15:00,792 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-09-25 14:15:00,792 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-09-25 14:15:00,792 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-09-25 14:15:01,971 INFO L290 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-09-25 14:15:01,972 INFO L295 CfgBuilder]: Removed 5 assume(true) statements. [2020-09-25 14:15:01,979 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.09 02:15:01 BoogieIcfgContainer [2020-09-25 14:15:01,979 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-09-25 14:15:01,981 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-09-25 14:15:01,981 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-09-25 14:15:01,985 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-09-25 14:15:01,985 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 25.09 02:14:59" (1/3) ... [2020-09-25 14:15:01,986 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6bbf7b38 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 25.09 02:15:01, skipping insertion in model container [2020-09-25 14:15:01,986 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 02:15:00" (2/3) ... [2020-09-25 14:15:01,987 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6bbf7b38 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 25.09 02:15:01, skipping insertion in model container [2020-09-25 14:15:01,987 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.09 02:15:01" (3/3) ... [2020-09-25 14:15:01,989 INFO L109 eAbstractionObserver]: Analyzing ICFG minepump_spec2_product11.cil.c [2020-09-25 14:15:02,002 INFO L157 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:Craig_NestedInterpolation Determinization: PREDICATE_ABSTRACTION [2020-09-25 14:15:02,015 INFO L169 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-09-25 14:15:02,038 INFO L251 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-09-25 14:15:02,071 INFO L375 AbstractCegarLoop]: Interprodecural is true [2020-09-25 14:15:02,072 INFO L376 AbstractCegarLoop]: Hoare is true [2020-09-25 14:15:02,072 INFO L377 AbstractCegarLoop]: Compute interpolants for Craig_NestedInterpolation [2020-09-25 14:15:02,072 INFO L378 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-09-25 14:15:02,072 INFO L379 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-09-25 14:15:02,072 INFO L380 AbstractCegarLoop]: Difference is false [2020-09-25 14:15:02,072 INFO L381 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-09-25 14:15:02,072 INFO L385 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-09-25 14:15:02,099 INFO L276 IsEmpty]: Start isEmpty. Operand 275 states. [2020-09-25 14:15:02,114 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 149 [2020-09-25 14:15:02,115 INFO L414 BasicCegarLoop]: Found error trace [2020-09-25 14:15:02,116 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-09-25 14:15:02,117 INFO L427 AbstractCegarLoop]: === Iteration 1 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-25 14:15:02,124 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-25 14:15:02,125 INFO L82 PathProgramCache]: Analyzing trace with hash -1802056066, now seen corresponding path program 1 times [2020-09-25 14:15:02,134 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-25 14:15:02,135 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1928613029] [2020-09-25 14:15:02,135 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-25 14:15:02,563 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 14:15:02,718 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 14:15:02,979 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 14:15:04,733 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 14:15:05,708 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 14:15:06,499 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 14:15:07,605 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 14:15:07,606 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 181 [2020-09-25 14:15:07,606 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 5 [2020-09-25 14:15:07,606 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5029 [2020-09-25 14:15:07,611 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 14:15:07,611 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.5 [2020-09-25 14:15:07,613 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 8 [2020-09-25 14:15:07,613 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 79 [2020-09-25 14:15:07,613 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 68 [2020-09-25 14:15:07,613 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 6 [2020-09-25 14:15:08,271 WARN L193 SmtUtils]: Spent 436.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-09-25 14:15:08,274 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-25 14:15:08,322 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 14:15:08,365 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 14:15:08,597 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 14:15:08,597 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 86 [2020-09-25 14:15:08,597 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 14:15:08,598 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 273 [2020-09-25 14:15:08,598 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 14:15:08,598 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.5 [2020-09-25 14:15:08,598 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 14:15:08,598 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 14:15:08,599 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 75 [2020-09-25 14:15:08,599 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 14:15:08,696 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2020-09-25 14:15:08,699 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 14:15:08,703 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 14:15:08,708 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 14:15:08,708 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 14:15:08,708 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 14:15:08,708 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-09-25 14:15:08,709 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 14:15:08,709 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.5 [2020-09-25 14:15:08,709 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 14:15:08,709 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 14:15:08,709 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-25 14:15:08,710 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 14:15:08,712 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2020-09-25 14:15:08,713 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 14:15:08,715 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 14:15:08,728 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 14:15:08,728 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 14:15:08,728 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 14:15:08,729 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 14 [2020-09-25 14:15:08,729 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 14:15:08,729 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.5 [2020-09-25 14:15:08,730 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 14:15:08,730 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 14:15:08,731 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-25 14:15:08,731 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 2 [2020-09-25 14:15:08,733 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2020-09-25 14:15:08,734 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 14:15:08,737 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 14:15:08,744 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 14:15:08,744 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 14:15:08,745 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 14:15:08,745 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 9 [2020-09-25 14:15:08,745 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 14:15:08,745 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.5 [2020-09-25 14:15:08,746 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 14:15:08,746 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 14:15:08,746 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-09-25 14:15:08,746 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 14:15:08,749 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2020-09-25 14:15:08,750 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 14:15:08,752 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 14:15:08,756 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 14:15:08,756 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 14:15:08,756 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 14:15:08,757 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-09-25 14:15:08,757 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 14:15:08,757 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.5 [2020-09-25 14:15:08,757 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 14:15:08,758 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 14:15:08,758 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-25 14:15:08,758 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 14:15:08,770 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2020-09-25 14:15:08,771 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 14:15:08,774 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 14:15:08,778 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 14:15:08,778 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-25 14:15:08,778 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 14:15:08,778 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-09-25 14:15:08,779 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 14:15:08,779 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.5 [2020-09-25 14:15:08,779 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 14:15:08,779 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 14:15:08,779 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-09-25 14:15:08,780 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 14:15:08,782 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 125 [2020-09-25 14:15:08,783 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 14:15:08,785 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 14:15:08,786 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 14:15:08,786 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 14:15:08,787 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 14:15:08,787 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-25 14:15:08,787 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 14:15:08,787 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.5 [2020-09-25 14:15:08,787 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 14:15:08,788 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-09-25 14:15:08,788 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 14:15:08,788 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 14:15:08,790 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2020-09-25 14:15:08,791 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 14:15:08,793 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 14:15:08,794 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 14:15:08,794 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 14:15:08,794 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 14:15:08,795 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-25 14:15:08,795 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 14:15:08,795 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.5 [2020-09-25 14:15:08,795 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 14:15:08,795 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-09-25 14:15:08,796 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 14:15:08,796 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 14:15:08,832 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 14:15:08,833 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1928613029] [2020-09-25 14:15:08,835 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-25 14:15:08,836 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2020-09-25 14:15:08,837 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [325993762] [2020-09-25 14:15:08,848 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-09-25 14:15:08,848 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-25 14:15:08,867 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-09-25 14:15:08,868 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-09-25 14:15:08,870 INFO L87 Difference]: Start difference. First operand 275 states. Second operand 5 states. [2020-09-25 14:15:09,816 WARN L193 SmtUtils]: Spent 425.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-25 14:15:11,382 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-25 14:15:11,382 INFO L93 Difference]: Finished difference Result 489 states and 595 transitions. [2020-09-25 14:15:11,383 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2020-09-25 14:15:11,385 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 148 [2020-09-25 14:15:11,386 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-25 14:15:11,406 INFO L225 Difference]: With dead ends: 489 [2020-09-25 14:15:11,407 INFO L226 Difference]: Without dead ends: 354 [2020-09-25 14:15:11,413 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 25 GetRequests, 18 SyntacticMatches, 2 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.9s TimeCoverageRelationStatistics Valid=18, Invalid=24, Unknown=0, NotChecked=0, Total=42 [2020-09-25 14:15:11,437 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 354 states. [2020-09-25 14:15:11,536 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 354 to 289. [2020-09-25 14:15:11,537 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 289 states. [2020-09-25 14:15:11,540 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 289 states to 289 states and 318 transitions. [2020-09-25 14:15:11,543 INFO L78 Accepts]: Start accepts. Automaton has 289 states and 318 transitions. Word has length 148 [2020-09-25 14:15:11,544 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-25 14:15:11,544 INFO L479 AbstractCegarLoop]: Abstraction has 289 states and 318 transitions. [2020-09-25 14:15:11,544 INFO L480 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-09-25 14:15:11,544 INFO L276 IsEmpty]: Start isEmpty. Operand 289 states and 318 transitions. [2020-09-25 14:15:11,549 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 153 [2020-09-25 14:15:11,549 INFO L414 BasicCegarLoop]: Found error trace [2020-09-25 14:15:11,550 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] [2020-09-25 14:15:11,550 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-09-25 14:15:11,550 INFO L427 AbstractCegarLoop]: === Iteration 2 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-25 14:15:11,551 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-25 14:15:11,551 INFO L82 PathProgramCache]: Analyzing trace with hash 1973919625, now seen corresponding path program 1 times [2020-09-25 14:15:11,551 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-25 14:15:11,551 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1193926631] [2020-09-25 14:15:11,552 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-25 14:15:11,609 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 14:15:11,679 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 14:15:11,936 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 14:15:12,088 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 14:15:13,197 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 14:15:14,071 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 14:15:16,615 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 14:15:16,615 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 187 [2020-09-25 14:15:16,616 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 5 [2020-09-25 14:15:16,616 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5000 [2020-09-25 14:15:16,617 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 14:15:16,617 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.5 [2020-09-25 14:15:16,618 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 10 [2020-09-25 14:15:16,618 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 124 [2020-09-25 14:15:16,618 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 59 [2020-09-25 14:15:16,618 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 14:15:16,943 WARN L193 SmtUtils]: Spent 218.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-09-25 14:15:16,945 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-25 14:15:16,955 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 14:15:16,966 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 14:15:17,067 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 14:15:17,068 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 86 [2020-09-25 14:15:17,068 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 14:15:17,068 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 109 [2020-09-25 14:15:17,068 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 14:15:17,069 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.5 [2020-09-25 14:15:17,069 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 14:15:17,069 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 14:15:17,070 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 14:15:17,070 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 14:15:17,105 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2020-09-25 14:15:17,105 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 14:15:17,107 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 14:15:17,108 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 14:15:17,108 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 14:15:17,109 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 14:15:17,109 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-25 14:15:17,109 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 14:15:17,109 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.5 [2020-09-25 14:15:17,110 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 14:15:17,110 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 14:15:17,110 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 14:15:17,110 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 14:15:17,111 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2020-09-25 14:15:17,112 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 14:15:17,113 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 14:15:17,114 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 14:15:17,115 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 14:15:17,115 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 14:15:17,115 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-25 14:15:17,115 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 14:15:17,115 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.5 [2020-09-25 14:15:17,116 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 14:15:17,116 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 14:15:17,116 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 14:15:17,116 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 14:15:17,117 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2020-09-25 14:15:17,118 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 14:15:17,119 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 14:15:17,123 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 14:15:17,123 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 14:15:17,123 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 14:15:17,124 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-09-25 14:15:17,124 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 14:15:17,124 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.5 [2020-09-25 14:15:17,124 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 14:15:17,125 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 14:15:17,125 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 14:15:17,125 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 14:15:17,127 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2020-09-25 14:15:17,127 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 14:15:17,128 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 14:15:17,129 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 14:15:17,130 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 14:15:17,130 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 14:15:17,130 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-25 14:15:17,130 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 14:15:17,131 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.5 [2020-09-25 14:15:17,131 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 14:15:17,131 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 14:15:17,131 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 14:15:17,132 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 14:15:17,140 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2020-09-25 14:15:17,141 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 14:15:17,142 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 14:15:17,145 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 14:15:17,145 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-25 14:15:17,145 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 14:15:17,145 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-25 14:15:17,146 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 14:15:17,146 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.5 [2020-09-25 14:15:17,146 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 14:15:17,146 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 14:15:17,146 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-09-25 14:15:17,147 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 14:15:17,149 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 123 [2020-09-25 14:15:17,150 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 14:15:17,151 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 14:15:17,154 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 14:15:17,154 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 14:15:17,154 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 14:15:17,154 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-25 14:15:17,154 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 14:15:17,155 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.5 [2020-09-25 14:15:17,155 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 14:15:17,155 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 14:15:17,155 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-25 14:15:17,155 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 14:15:17,158 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 129 [2020-09-25 14:15:17,159 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 14:15:17,161 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 14:15:17,163 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 14:15:17,164 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 14:15:17,164 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 14:15:17,164 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-25 14:15:17,164 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 14:15:17,165 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.5 [2020-09-25 14:15:17,165 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 14:15:17,169 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 14:15:17,169 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-09-25 14:15:17,169 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 4 [2020-09-25 14:15:17,171 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 139 [2020-09-25 14:15:17,173 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 14:15:17,174 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 14:15:17,177 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 14:15:17,177 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 14:15:17,178 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 14:15:17,178 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-09-25 14:15:17,179 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 14:15:17,179 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.5 [2020-09-25 14:15:17,179 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 14:15:17,179 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 14:15:17,179 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-09-25 14:15:17,180 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 14:15:17,211 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 14:15:17,211 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1193926631] [2020-09-25 14:15:17,212 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-25 14:15:17,212 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2020-09-25 14:15:17,212 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1627562812] [2020-09-25 14:15:17,215 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-09-25 14:15:17,216 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-25 14:15:17,216 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-09-25 14:15:17,216 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-09-25 14:15:17,216 INFO L87 Difference]: Start difference. First operand 289 states and 318 transitions. Second operand 5 states. [2020-09-25 14:15:18,044 WARN L193 SmtUtils]: Spent 421.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-25 14:15:19,360 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-25 14:15:19,360 INFO L93 Difference]: Finished difference Result 595 states and 730 transitions. [2020-09-25 14:15:19,361 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2020-09-25 14:15:19,361 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 152 [2020-09-25 14:15:19,362 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-25 14:15:19,374 INFO L225 Difference]: With dead ends: 595 [2020-09-25 14:15:19,374 INFO L226 Difference]: Without dead ends: 592 [2020-09-25 14:15:19,378 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 28 GetRequests, 23 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 14:15:19,380 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 592 states. [2020-09-25 14:15:19,489 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 592 to 466. [2020-09-25 14:15:19,490 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 466 states. [2020-09-25 14:15:19,492 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 466 states to 466 states and 535 transitions. [2020-09-25 14:15:19,493 INFO L78 Accepts]: Start accepts. Automaton has 466 states and 535 transitions. Word has length 152 [2020-09-25 14:15:19,494 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-25 14:15:19,494 INFO L479 AbstractCegarLoop]: Abstraction has 466 states and 535 transitions. [2020-09-25 14:15:19,494 INFO L480 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-09-25 14:15:19,494 INFO L276 IsEmpty]: Start isEmpty. Operand 466 states and 535 transitions. [2020-09-25 14:15:19,499 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 220 [2020-09-25 14:15:19,499 INFO L414 BasicCegarLoop]: Found error trace [2020-09-25 14:15:19,500 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-09-25 14:15:19,500 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-09-25 14:15:19,500 INFO L427 AbstractCegarLoop]: === Iteration 3 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-25 14:15:19,501 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-25 14:15:19,501 INFO L82 PathProgramCache]: Analyzing trace with hash 2111298795, now seen corresponding path program 1 times [2020-09-25 14:15:19,501 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-25 14:15:19,502 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [791438901] [2020-09-25 14:15:19,502 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-25 14:15:19,556 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 14:15:19,621 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 14:15:19,726 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 14:15:19,871 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 14:15:20,567 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 14:15:20,669 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 14:15:21,644 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 14:15:24,561 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 14:15:24,561 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 272 [2020-09-25 14:15:24,561 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 6 [2020-09-25 14:15:24,562 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5001 [2020-09-25 14:15:24,562 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 14:15:24,562 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.5 [2020-09-25 14:15:24,562 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-09-25 14:15:24,563 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 146 [2020-09-25 14:15:24,563 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 72 [2020-09-25 14:15:24,563 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 14:15:24,877 WARN L193 SmtUtils]: Spent 229.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-09-25 14:15:24,878 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-25 14:15:24,885 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 14:15:24,895 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 14:15:24,999 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 14:15:25,000 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 86 [2020-09-25 14:15:25,000 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 14:15:25,000 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 113 [2020-09-25 14:15:25,000 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 14:15:25,001 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.5 [2020-09-25 14:15:25,001 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 14:15:25,001 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 14:15:25,001 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 14:15:25,002 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 14:15:25,041 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2020-09-25 14:15:25,042 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 14:15:25,043 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 14:15:25,044 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 14:15:25,045 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 14:15:25,045 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 14:15:25,045 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-25 14:15:25,045 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 14:15:25,046 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.5 [2020-09-25 14:15:25,046 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 14:15:25,046 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 14:15:25,046 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 14:15:25,046 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 14:15:25,047 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2020-09-25 14:15:25,048 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 14:15:25,051 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 14:15:25,052 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 14:15:25,052 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 14:15:25,052 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 14:15:25,053 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-25 14:15:25,053 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 14:15:25,053 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.5 [2020-09-25 14:15:25,053 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 14:15:25,053 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 14:15:25,054 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 14:15:25,054 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 14:15:25,055 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2020-09-25 14:15:25,055 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 14:15:25,056 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 14:15:25,060 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 14:15:25,060 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 14:15:25,060 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 14:15:25,060 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-25 14:15:25,061 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 14:15:25,061 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.5 [2020-09-25 14:15:25,061 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 14:15:25,061 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 14:15:25,061 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 14:15:25,062 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 14:15:25,063 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2020-09-25 14:15:25,063 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 14:15:25,064 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 14:15:25,066 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 14:15:25,067 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 14:15:25,067 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 14:15:25,067 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-25 14:15:25,068 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 14:15:25,068 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.5 [2020-09-25 14:15:25,068 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 14:15:25,068 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 14:15:25,069 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 14:15:25,069 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 14:15:25,079 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2020-09-25 14:15:25,080 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 14:15:25,082 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 14:15:25,083 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 14:15:25,084 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-25 14:15:25,084 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 14:15:25,084 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-25 14:15:25,084 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 14:15:25,084 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.5 [2020-09-25 14:15:25,085 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 14:15:25,085 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 14:15:25,085 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 14:15:25,085 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 14:15:25,098 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 120 [2020-09-25 14:15:25,101 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 14:15:25,103 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 14:15:25,123 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 14:15:25,123 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 35 [2020-09-25 14:15:25,123 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 14:15:25,123 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 21 [2020-09-25 14:15:25,124 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 14:15:25,124 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.5 [2020-09-25 14:15:25,124 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 14:15:25,124 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 14:15:25,125 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-09-25 14:15:25,125 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 14:15:25,130 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-25 14:15:25,131 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 14:15:25,132 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 14:15:25,135 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 14:15:25,135 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 14:15:25,136 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 14:15:25,136 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-25 14:15:25,136 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 14:15:25,137 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.5 [2020-09-25 14:15:25,137 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 14:15:25,137 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 14:15:25,137 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-25 14:15:25,138 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 14:15:25,139 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2020-09-25 14:15:25,142 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 14:15:25,145 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 14:15:25,148 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 14:15:25,148 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 23 [2020-09-25 14:15:25,149 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 14:15:25,149 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-09-25 14:15:25,149 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 14:15:25,149 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.5 [2020-09-25 14:15:25,150 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 14:15:25,150 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 14:15:25,150 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 19 [2020-09-25 14:15:25,150 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 14:15:25,155 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-25 14:15:25,156 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 14:15:25,157 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 14:15:25,160 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 14:15:25,160 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 14:15:25,160 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 14:15:25,161 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-25 14:15:25,161 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 14:15:25,161 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.5 [2020-09-25 14:15:25,161 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 14:15:25,162 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 14:15:25,162 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 14:15:25,162 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 14:15:25,164 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 148 [2020-09-25 14:15:25,169 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 14:15:25,175 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 14:15:25,247 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 14:15:25,273 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 14:15:25,273 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 48 [2020-09-25 14:15:25,273 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-09-25 14:15:25,273 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 102 [2020-09-25 14:15:25,274 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 14:15:25,274 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.5 [2020-09-25 14:15:25,274 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-09-25 14:15:25,274 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 3 [2020-09-25 14:15:25,274 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 36 [2020-09-25 14:15:25,275 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 14:15:25,291 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-25 14:15:25,292 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 14:15:25,294 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 14:15:25,296 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 14:15:25,296 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 14:15:25,297 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 14:15:25,297 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-09-25 14:15:25,297 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 14:15:25,297 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.5 [2020-09-25 14:15:25,298 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 14:15:25,298 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 14:15:25,298 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-25 14:15:25,298 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 14:15:25,299 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2020-09-25 14:15:25,304 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 14:15:25,309 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 14:15:25,359 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 14:15:25,360 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 36 [2020-09-25 14:15:25,360 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 14:15:25,360 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 54 [2020-09-25 14:15:25,360 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 14:15:25,361 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.5 [2020-09-25 14:15:25,361 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-09-25 14:15:25,361 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 21 [2020-09-25 14:15:25,361 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 13 [2020-09-25 14:15:25,362 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 14:15:25,441 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-25 14:15:25,441 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 14:15:25,443 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 14:15:25,445 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 14:15:25,445 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 14:15:25,445 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 14:15:25,445 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-25 14:15:25,446 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 14:15:25,446 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.5 [2020-09-25 14:15:25,446 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 14:15:25,446 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 14:15:25,446 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 14:15:25,447 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 14:15:25,448 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-09-25 14:15:25,449 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 14:15:25,451 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 14:15:25,455 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 14:15:25,456 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 14:15:25,456 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 14:15:25,456 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-09-25 14:15:25,456 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 14:15:25,457 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.5 [2020-09-25 14:15:25,457 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-09-25 14:15:25,457 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 14:15:25,457 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-09-25 14:15:25,458 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 14:15:25,485 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 190 [2020-09-25 14:15:25,486 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 14:15:25,487 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 14:15:25,489 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 14:15:25,489 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 14:15:25,489 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 14:15:25,490 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-25 14:15:25,490 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 14:15:25,490 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.5 [2020-09-25 14:15:25,490 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 14:15:25,490 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-09-25 14:15:25,490 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 14:15:25,491 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 14:15:25,492 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 196 [2020-09-25 14:15:25,492 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 14:15:25,494 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 14:15:25,496 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 14:15:25,497 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 14:15:25,497 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 14:15:25,497 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-25 14:15:25,498 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 14:15:25,498 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.5 [2020-09-25 14:15:25,498 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 14:15:25,499 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-09-25 14:15:25,499 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 14:15:25,499 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 14:15:25,502 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 206 [2020-09-25 14:15:25,503 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 14:15:25,504 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 14:15:25,506 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 14:15:25,506 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 14:15:25,507 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 14:15:25,507 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-25 14:15:25,507 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 14:15:25,508 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.5 [2020-09-25 14:15:25,508 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 14:15:25,508 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-09-25 14:15:25,509 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 14:15:25,509 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 14:15:25,603 INFO L134 CoverageAnalysis]: Checked inductivity of 73 backedges. 36 proven. 3 refuted. 0 times theorem prover too weak. 34 trivial. 0 not checked. [2020-09-25 14:15:25,604 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [791438901] [2020-09-25 14:15:25,605 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-09-25 14:15:25,605 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [11] total 11 [2020-09-25 14:15:25,607 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2013999614] [2020-09-25 14:15:25,609 INFO L459 AbstractCegarLoop]: Interpolant automaton has 11 states [2020-09-25 14:15:25,610 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-25 14:15:25,610 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2020-09-25 14:15:25,611 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=22, Invalid=88, Unknown=0, NotChecked=0, Total=110 [2020-09-25 14:15:25,611 INFO L87 Difference]: Start difference. First operand 466 states and 535 transitions. Second operand 11 states. [2020-09-25 14:15:26,293 WARN L193 SmtUtils]: Spent 245.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-09-25 14:15:27,611 WARN L193 SmtUtils]: Spent 304.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-09-25 14:15:27,942 WARN L193 SmtUtils]: Spent 285.00 ms on a formula simplification that was a NOOP. DAG size: 194 [2020-09-25 14:15:28,295 WARN L193 SmtUtils]: Spent 289.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-09-25 14:15:29,200 WARN L193 SmtUtils]: Spent 860.00 ms on a formula simplification. DAG size of input: 201 DAG size of output: 194 [2020-09-25 14:15:30,046 WARN L193 SmtUtils]: Spent 813.00 ms on a formula simplification. DAG size of input: 199 DAG size of output: 192 [2020-09-25 14:15:30,389 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-25 14:15:30,389 INFO L93 Difference]: Finished difference Result 677 states and 822 transitions. [2020-09-25 14:15:30,390 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2020-09-25 14:15:30,390 INFO L78 Accepts]: Start accepts. Automaton has 11 states. Word has length 219 [2020-09-25 14:15:30,392 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-25 14:15:30,393 INFO L225 Difference]: With dead ends: 677 [2020-09-25 14:15:30,393 INFO L226 Difference]: Without dead ends: 0 [2020-09-25 14:15:30,403 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 57 GetRequests, 38 SyntacticMatches, 1 SemanticMatches, 18 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 40 ImplicationChecksByTransitivity, 3.3s TimeCoverageRelationStatistics Valid=101, Invalid=279, Unknown=0, NotChecked=0, Total=380 [2020-09-25 14:15:30,403 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2020-09-25 14:15:30,404 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2020-09-25 14:15:30,405 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2020-09-25 14:15:30,405 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2020-09-25 14:15:30,405 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 219 [2020-09-25 14:15:30,406 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-25 14:15:30,406 INFO L479 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-09-25 14:15:30,406 INFO L480 AbstractCegarLoop]: Interpolant automaton has 11 states. [2020-09-25 14:15:30,406 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2020-09-25 14:15:30,406 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-09-25 14:15:30,406 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-09-25 14:15:30,409 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2020-09-25 14:15:30,624 WARN L193 SmtUtils]: Spent 209.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-25 14:15:30,801 WARN L193 SmtUtils]: Spent 174.00 ms on a formula simplification that was a NOOP. DAG size: 193 [2020-09-25 14:15:30,975 WARN L193 SmtUtils]: Spent 172.00 ms on a formula simplification that was a NOOP. DAG size: 193 [2020-09-25 14:15:31,116 WARN L193 SmtUtils]: Spent 133.00 ms on a formula simplification. DAG size of input: 204 DAG size of output: 7 [2020-09-25 14:15:31,287 WARN L193 SmtUtils]: Spent 165.00 ms on a formula simplification that was a NOOP. DAG size: 193 [2020-09-25 14:15:31,463 WARN L193 SmtUtils]: Spent 174.00 ms on a formula simplification that was a NOOP. DAG size: 193 [2020-09-25 14:15:31,654 WARN L193 SmtUtils]: Spent 164.00 ms on a formula simplification that was a NOOP. DAG size: 193 [2020-09-25 14:15:31,820 WARN L193 SmtUtils]: Spent 165.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-25 14:15:32,000 WARN L193 SmtUtils]: Spent 171.00 ms on a formula simplification that was a NOOP. DAG size: 193 [2020-09-25 14:15:32,122 WARN L193 SmtUtils]: Spent 118.00 ms on a formula simplification. DAG size of input: 206 DAG size of output: 7 [2020-09-25 14:15:32,476 WARN L193 SmtUtils]: Spent 351.00 ms on a formula simplification. DAG size of input: 196 DAG size of output: 191 [2020-09-25 14:15:32,846 WARN L193 SmtUtils]: Spent 366.00 ms on a formula simplification. DAG size of input: 199 DAG size of output: 195 [2020-09-25 14:15:33,198 WARN L193 SmtUtils]: Spent 350.00 ms on a formula simplification. DAG size of input: 199 DAG size of output: 195 [2020-09-25 14:15:33,553 WARN L193 SmtUtils]: Spent 352.00 ms on a formula simplification. DAG size of input: 199 DAG size of output: 195 [2020-09-25 14:15:33,898 WARN L193 SmtUtils]: Spent 343.00 ms on a formula simplification. DAG size of input: 196 DAG size of output: 191 [2020-09-25 14:15:34,240 WARN L193 SmtUtils]: Spent 336.00 ms on a formula simplification. DAG size of input: 196 DAG size of output: 191 [2020-09-25 14:15:34,602 WARN L193 SmtUtils]: Spent 360.00 ms on a formula simplification. DAG size of input: 199 DAG size of output: 195 [2020-09-25 14:15:34,948 WARN L193 SmtUtils]: Spent 343.00 ms on a formula simplification. DAG size of input: 199 DAG size of output: 195 [2020-09-25 14:15:35,285 WARN L193 SmtUtils]: Spent 336.00 ms on a formula simplification. DAG size of input: 196 DAG size of output: 191 [2020-09-25 14:15:35,633 WARN L193 SmtUtils]: Spent 344.00 ms on a formula simplification. DAG size of input: 199 DAG size of output: 195 [2020-09-25 14:15:35,970 WARN L193 SmtUtils]: Spent 336.00 ms on a formula simplification. DAG size of input: 196 DAG size of output: 191 [2020-09-25 14:15:36,135 WARN L193 SmtUtils]: Spent 161.00 ms on a formula simplification that was a NOOP. DAG size: 193 [2020-09-25 14:15:36,298 WARN L193 SmtUtils]: Spent 161.00 ms on a formula simplification that was a NOOP. DAG size: 193 [2020-09-25 14:15:36,638 WARN L193 SmtUtils]: Spent 335.00 ms on a formula simplification. DAG size of input: 196 DAG size of output: 191 [2020-09-25 14:15:36,986 WARN L193 SmtUtils]: Spent 346.00 ms on a formula simplification. DAG size of input: 199 DAG size of output: 195 [2020-09-25 14:15:37,332 WARN L193 SmtUtils]: Spent 345.00 ms on a formula simplification. DAG size of input: 199 DAG size of output: 195 [2020-09-25 14:15:37,679 WARN L193 SmtUtils]: Spent 344.00 ms on a formula simplification. DAG size of input: 199 DAG size of output: 195 [2020-09-25 14:15:38,015 WARN L193 SmtUtils]: Spent 335.00 ms on a formula simplification. DAG size of input: 196 DAG size of output: 191 [2020-09-25 14:15:38,357 WARN L193 SmtUtils]: Spent 335.00 ms on a formula simplification. DAG size of input: 196 DAG size of output: 191 [2020-09-25 14:15:38,706 WARN L193 SmtUtils]: Spent 348.00 ms on a formula simplification. DAG size of input: 199 DAG size of output: 195 [2020-09-25 14:15:39,054 WARN L193 SmtUtils]: Spent 345.00 ms on a formula simplification. DAG size of input: 199 DAG size of output: 195 [2020-09-25 14:15:39,392 WARN L193 SmtUtils]: Spent 336.00 ms on a formula simplification. DAG size of input: 196 DAG size of output: 191 [2020-09-25 14:15:39,739 WARN L193 SmtUtils]: Spent 344.00 ms on a formula simplification. DAG size of input: 199 DAG size of output: 195 [2020-09-25 14:15:40,077 WARN L193 SmtUtils]: Spent 337.00 ms on a formula simplification. DAG size of input: 196 DAG size of output: 191 [2020-09-25 14:15:40,262 WARN L193 SmtUtils]: Spent 160.00 ms on a formula simplification that was a NOOP. DAG size: 193 [2020-09-25 14:15:40,428 WARN L193 SmtUtils]: Spent 161.00 ms on a formula simplification that was a NOOP. DAG size: 193 [2020-09-25 14:15:40,591 WARN L193 SmtUtils]: Spent 161.00 ms on a formula simplification that was a NOOP. DAG size: 193 [2020-09-25 14:15:40,752 WARN L193 SmtUtils]: Spent 160.00 ms on a formula simplification that was a NOOP. DAG size: 193 [2020-09-25 14:15:40,895 WARN L193 SmtUtils]: Spent 142.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-09-25 14:15:41,055 WARN L193 SmtUtils]: Spent 158.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-25 14:15:41,220 WARN L193 SmtUtils]: Spent 161.00 ms on a formula simplification that was a NOOP. DAG size: 193 [2020-09-25 14:15:41,327 WARN L193 SmtUtils]: Spent 105.00 ms on a formula simplification. DAG size of input: 209 DAG size of output: 7 [2020-09-25 14:15:41,490 WARN L193 SmtUtils]: Spent 161.00 ms on a formula simplification that was a NOOP. DAG size: 193 [2020-09-25 14:15:41,594 WARN L193 SmtUtils]: Spent 100.00 ms on a formula simplification. DAG size of input: 204 DAG size of output: 7 [2020-09-25 14:15:41,753 WARN L193 SmtUtils]: Spent 157.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-25 14:15:41,916 WARN L193 SmtUtils]: Spent 161.00 ms on a formula simplification that was a NOOP. DAG size: 193 [2020-09-25 14:15:42,079 WARN L193 SmtUtils]: Spent 161.00 ms on a formula simplification that was a NOOP. DAG size: 193 [2020-09-25 14:15:42,240 WARN L193 SmtUtils]: Spent 160.00 ms on a formula simplification that was a NOOP. DAG size: 193 [2020-09-25 14:15:42,398 WARN L193 SmtUtils]: Spent 156.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-25 14:15:42,558 WARN L193 SmtUtils]: Spent 156.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-25 14:15:42,720 WARN L193 SmtUtils]: Spent 161.00 ms on a formula simplification that was a NOOP. DAG size: 193 [2020-09-25 14:15:42,883 WARN L193 SmtUtils]: Spent 161.00 ms on a formula simplification that was a NOOP. DAG size: 193 [2020-09-25 14:15:43,040 WARN L193 SmtUtils]: Spent 156.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-25 14:15:43,203 WARN L193 SmtUtils]: Spent 161.00 ms on a formula simplification that was a NOOP. DAG size: 193 [2020-09-25 14:15:43,361 WARN L193 SmtUtils]: Spent 156.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-25 14:15:43,523 WARN L193 SmtUtils]: Spent 160.00 ms on a formula simplification that was a NOOP. DAG size: 193 [2020-09-25 14:15:43,686 WARN L193 SmtUtils]: Spent 162.00 ms on a formula simplification that was a NOOP. DAG size: 193 [2020-09-25 14:15:43,848 WARN L193 SmtUtils]: Spent 161.00 ms on a formula simplification that was a NOOP. DAG size: 193 [2020-09-25 14:15:44,006 WARN L193 SmtUtils]: Spent 156.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-25 14:15:44,109 WARN L193 SmtUtils]: Spent 100.00 ms on a formula simplification. DAG size of input: 204 DAG size of output: 7 [2020-09-25 14:15:44,267 WARN L193 SmtUtils]: Spent 156.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-25 14:15:44,430 WARN L193 SmtUtils]: Spent 161.00 ms on a formula simplification that was a NOOP. DAG size: 193 [2020-09-25 14:15:44,593 WARN L193 SmtUtils]: Spent 160.00 ms on a formula simplification that was a NOOP. DAG size: 193 [2020-09-25 14:15:44,755 WARN L193 SmtUtils]: Spent 160.00 ms on a formula simplification that was a NOOP. DAG size: 193 [2020-09-25 14:15:44,912 WARN L193 SmtUtils]: Spent 156.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-25 14:15:45,082 WARN L193 SmtUtils]: Spent 161.00 ms on a formula simplification that was a NOOP. DAG size: 193 [2020-09-25 14:15:45,245 WARN L193 SmtUtils]: Spent 161.00 ms on a formula simplification that was a NOOP. DAG size: 193 [2020-09-25 14:15:45,402 WARN L193 SmtUtils]: Spent 156.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-25 14:15:45,576 WARN L193 SmtUtils]: Spent 170.00 ms on a formula simplification that was a NOOP. DAG size: 193 [2020-09-25 14:15:45,739 WARN L193 SmtUtils]: Spent 161.00 ms on a formula simplification that was a NOOP. DAG size: 193 [2020-09-25 14:15:45,898 WARN L193 SmtUtils]: Spent 156.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-25 14:15:46,060 WARN L193 SmtUtils]: Spent 161.00 ms on a formula simplification that was a NOOP. DAG size: 193 [2020-09-25 14:15:46,222 WARN L193 SmtUtils]: Spent 161.00 ms on a formula simplification that was a NOOP. DAG size: 193 [2020-09-25 14:15:46,386 WARN L193 SmtUtils]: Spent 160.00 ms on a formula simplification that was a NOOP. DAG size: 193 [2020-09-25 14:15:46,544 WARN L193 SmtUtils]: Spent 157.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-25 14:15:46,707 WARN L193 SmtUtils]: Spent 160.00 ms on a formula simplification that was a NOOP. DAG size: 193 [2020-09-25 14:15:47,050 WARN L193 SmtUtils]: Spent 322.00 ms on a formula simplification. DAG size of input: 196 DAG size of output: 192 [2020-09-25 14:15:47,376 WARN L193 SmtUtils]: Spent 323.00 ms on a formula simplification. DAG size of input: 196 DAG size of output: 192 [2020-09-25 14:15:47,703 WARN L193 SmtUtils]: Spent 325.00 ms on a formula simplification. DAG size of input: 196 DAG size of output: 192 [2020-09-25 14:15:48,025 WARN L193 SmtUtils]: Spent 321.00 ms on a formula simplification. DAG size of input: 196 DAG size of output: 192 [2020-09-25 14:15:48,186 WARN L193 SmtUtils]: Spent 156.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-25 14:15:48,350 WARN L193 SmtUtils]: Spent 161.00 ms on a formula simplification that was a NOOP. DAG size: 193 [2020-09-25 14:15:48,935 WARN L193 SmtUtils]: Spent 485.00 ms on a formula simplification. DAG size of input: 143 DAG size of output: 16 [2020-09-25 14:15:49,193 WARN L193 SmtUtils]: Spent 219.00 ms on a formula simplification. DAG size of input: 145 DAG size of output: 27 [2020-09-25 14:15:49,435 WARN L193 SmtUtils]: Spent 239.00 ms on a formula simplification. DAG size of input: 145 DAG size of output: 27 [2020-09-25 14:15:49,825 WARN L193 SmtUtils]: Spent 332.00 ms on a formula simplification. DAG size of input: 142 DAG size of output: 12 [2020-09-25 14:15:50,301 WARN L193 SmtUtils]: Spent 459.00 ms on a formula simplification. DAG size of input: 143 DAG size of output: 16 [2020-09-25 14:15:50,553 WARN L193 SmtUtils]: Spent 240.00 ms on a formula simplification. DAG size of input: 145 DAG size of output: 27 [2020-09-25 14:15:50,797 WARN L193 SmtUtils]: Spent 241.00 ms on a formula simplification. DAG size of input: 145 DAG size of output: 27 [2020-09-25 14:15:51,240 WARN L193 SmtUtils]: Spent 437.00 ms on a formula simplification. DAG size of input: 143 DAG size of output: 16 [2020-09-25 14:15:51,514 WARN L193 SmtUtils]: Spent 237.00 ms on a formula simplification. DAG size of input: 145 DAG size of output: 27 [2020-09-25 14:15:51,760 WARN L193 SmtUtils]: Spent 236.00 ms on a formula simplification. DAG size of input: 145 DAG size of output: 27 [2020-09-25 14:15:51,992 WARN L193 SmtUtils]: Spent 229.00 ms on a formula simplification. DAG size of input: 139 DAG size of output: 16 [2020-09-25 14:15:52,237 WARN L193 SmtUtils]: Spent 243.00 ms on a formula simplification. DAG size of input: 145 DAG size of output: 27