/usr/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata ./data -tc ../../../trunk/examples/toolchains/AutomizerC.xml --traceabstraction.trace.refinement.strategy FIXED_PREFERENCES --traceabstraction.compute.interpolants.along.a.counterexample Craig_NestedInterpolation --traceabstraction.smt.solver Internal_SMTInterpol --traceabstraction.compute.trace.for.counterexample.result false --rcfgbuilder.size.of.a.code.block SingleStatement --traceabstraction.use.minimal.unsat.core.enumeration true --traceabstraction.additional.smt.options produce-proofs=true --traceabstraction.additional.smt.options produce-unsat-cores=true --traceabstraction.additional.smt.options enumeration-timeout=5000 --traceabstraction.additional.smt.options interpolation-heuristic=WIDESTAMONGSMALL --traceabstraction.additional.smt.options tolerance=0.4 --traceabstraction.additional.smt.options log-additional-information=true -s ../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf -i ../../../trunk/examples/svcomp/product-lines/minepump_spec4_product03.cil.c -------------------------------------------------------------------------------- This is Ultimate 0.1.25-c90d42b [2020-09-25 05:16:31,128 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-09-25 05:16:31,132 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-09-25 05:16:31,159 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-09-25 05:16:31,160 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-09-25 05:16:31,161 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-09-25 05:16:31,163 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-09-25 05:16:31,165 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-09-25 05:16:31,167 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-09-25 05:16:31,168 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-09-25 05:16:31,169 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-09-25 05:16:31,171 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-09-25 05:16:31,171 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-09-25 05:16:31,172 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-09-25 05:16:31,174 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-09-25 05:16:31,175 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-09-25 05:16:31,176 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-09-25 05:16:31,177 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-09-25 05:16:31,179 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-09-25 05:16:31,183 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-09-25 05:16:31,185 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-09-25 05:16:31,186 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-09-25 05:16:31,187 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-09-25 05:16:31,188 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-09-25 05:16:31,191 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-09-25 05:16:31,192 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-09-25 05:16:31,192 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-09-25 05:16:31,193 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-09-25 05:16:31,194 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-09-25 05:16:31,195 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-09-25 05:16:31,195 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-09-25 05:16:31,196 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-09-25 05:16:31,197 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-09-25 05:16:31,198 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-09-25 05:16:31,199 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-09-25 05:16:31,199 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-09-25 05:16:31,200 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-09-25 05:16:31,201 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-09-25 05:16:31,201 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-09-25 05:16:31,202 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-09-25 05:16:31,203 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-09-25 05:16:31,204 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 05:16:31,232 INFO L113 SettingsManager]: Loading preferences was successful [2020-09-25 05:16:31,232 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-09-25 05:16:31,233 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-09-25 05:16:31,233 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-09-25 05:16:31,234 INFO L138 SettingsManager]: * Use SBE=true [2020-09-25 05:16:31,234 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-09-25 05:16:31,234 INFO L138 SettingsManager]: * sizeof long=4 [2020-09-25 05:16:31,234 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-09-25 05:16:31,235 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-09-25 05:16:31,235 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-09-25 05:16:31,235 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-09-25 05:16:31,235 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-09-25 05:16:31,235 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-09-25 05:16:31,236 INFO L138 SettingsManager]: * sizeof long double=12 [2020-09-25 05:16:31,236 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-09-25 05:16:31,236 INFO L138 SettingsManager]: * Use constant arrays=true [2020-09-25 05:16:31,236 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-09-25 05:16:31,236 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-09-25 05:16:31,237 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-09-25 05:16:31,237 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-09-25 05:16:31,237 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-09-25 05:16:31,237 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-09-25 05:16:31,238 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-09-25 05:16:31,238 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-09-25 05:16:31,238 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-09-25 05:16:31,238 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-09-25 05:16:31,238 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-09-25 05:16:31,239 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-09-25 05:16:31,239 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-09-25 05:16:31,239 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Trace refinement strategy -> FIXED_PREFERENCES Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute Interpolants along a Counterexample -> Craig_NestedInterpolation Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: SMT solver -> Internal_SMTInterpol Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute trace for counterexample result -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder: Size of a code block -> SingleStatement Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Use minimal unsat core enumeration -> true Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=5000;interpolation-heuristic=WIDESTAMONGSMALL;tolerance=0.4;log-additional-information=true; Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=5000;interpolation-heuristic=WIDESTAMONGSMALL;tolerance=0.4;log-additional-information=true; Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=5000;interpolation-heuristic=WIDESTAMONGSMALL;tolerance=0.4;log-additional-information=true; Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=5000;interpolation-heuristic=WIDESTAMONGSMALL;tolerance=0.4;log-additional-information=true; Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=5000;interpolation-heuristic=WIDESTAMONGSMALL;tolerance=0.4;log-additional-information=true; Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=5000;interpolation-heuristic=WIDESTAMONGSMALL;tolerance=0.4;log-additional-information=true; [2020-09-25 05:16:31,706 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-09-25 05:16:31,732 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-09-25 05:16:31,737 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-09-25 05:16:31,740 INFO L271 PluginConnector]: Initializing CDTParser... [2020-09-25 05:16:31,740 INFO L275 PluginConnector]: CDTParser initialized [2020-09-25 05:16:31,741 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/product-lines/minepump_spec4_product03.cil.c [2020-09-25 05:16:31,818 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/9333e294c/f26c3e9c53294b0b98b9a23bde0c70ac/FLAG9b9b6aa6d [2020-09-25 05:16:32,451 INFO L306 CDTParser]: Found 1 translation units. [2020-09-25 05:16:32,452 INFO L160 CDTParser]: Scanning /storage/repos/ultimate-2/trunk/examples/svcomp/product-lines/minepump_spec4_product03.cil.c [2020-09-25 05:16:32,466 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/9333e294c/f26c3e9c53294b0b98b9a23bde0c70ac/FLAG9b9b6aa6d [2020-09-25 05:16:32,703 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/9333e294c/f26c3e9c53294b0b98b9a23bde0c70ac [2020-09-25 05:16:32,717 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-09-25 05:16:32,722 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-09-25 05:16:32,724 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-09-25 05:16:32,724 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-09-25 05:16:32,728 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-09-25 05:16:32,730 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.09 05:16:32" (1/1) ... [2020-09-25 05:16:32,735 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@27030054 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 05:16:32, skipping insertion in model container [2020-09-25 05:16:32,735 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.09 05:16:32" (1/1) ... [2020-09-25 05:16:32,745 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-09-25 05:16:32,800 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-09-25 05:16:33,178 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-09-25 05:16:33,193 INFO L203 MainTranslator]: Completed pre-run [2020-09-25 05:16:33,390 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-09-25 05:16:33,436 INFO L208 MainTranslator]: Completed translation [2020-09-25 05:16:33,437 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 05:16:33 WrapperNode [2020-09-25 05:16:33,437 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-09-25 05:16:33,438 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-09-25 05:16:33,438 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-09-25 05:16:33,439 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-09-25 05:16:33,454 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 05:16:33" (1/1) ... [2020-09-25 05:16:33,454 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 05:16:33" (1/1) ... [2020-09-25 05:16:33,475 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 05:16:33" (1/1) ... [2020-09-25 05:16:33,476 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 05:16:33" (1/1) ... [2020-09-25 05:16:33,504 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 05:16:33" (1/1) ... [2020-09-25 05:16:33,514 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 05:16:33" (1/1) ... [2020-09-25 05:16:33,520 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 05:16:33" (1/1) ... [2020-09-25 05:16:33,533 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-09-25 05:16:33,534 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-09-25 05:16:33,534 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-09-25 05:16:33,534 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-09-25 05:16:33,537 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 05:16:33" (1/1) ... No working directory specified, using /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-09-25 05:16:33,625 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-09-25 05:16:33,625 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-09-25 05:16:33,625 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~X~int~TO~int [2020-09-25 05:16:33,625 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2020-09-25 05:16:33,625 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_set [2020-09-25 05:16:33,625 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_free [2020-09-25 05:16:33,626 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_reset [2020-09-25 05:16:33,626 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__error_stack_mgt [2020-09-25 05:16:33,626 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_arg [2020-09-25 05:16:33,626 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_argtype [2020-09-25 05:16:33,626 INFO L138 BoogieDeclarations]: Found implementation of procedure select_one [2020-09-25 05:16:33,627 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2020-09-25 05:16:33,627 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2020-09-25 05:16:33,627 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2020-09-25 05:16:33,627 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2020-09-25 05:16:33,627 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2020-09-25 05:16:33,628 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment [2020-09-25 05:16:33,628 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump [2020-09-25 05:16:33,628 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivatePump [2020-09-25 05:16:33,628 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneAlarm [2020-09-25 05:16:33,629 INFO L138 BoogieDeclarations]: Found implementation of procedure isPumpRunning [2020-09-25 05:16:33,629 INFO L138 BoogieDeclarations]: Found implementation of procedure printPump [2020-09-25 05:16:33,629 INFO L138 BoogieDeclarations]: Found implementation of procedure stopSystem [2020-09-25 05:16:33,629 INFO L138 BoogieDeclarations]: Found implementation of procedure lowerWaterLevel [2020-09-25 05:16:33,629 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2020-09-25 05:16:33,630 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2020-09-25 05:16:33,630 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2020-09-25 05:16:33,630 INFO L138 BoogieDeclarations]: Found implementation of procedure printEnvironment [2020-09-25 05:16:33,630 INFO L138 BoogieDeclarations]: Found implementation of procedure getWaterLevel [2020-09-25 05:16:33,630 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification4_spec__1 [2020-09-25 05:16:33,630 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2020-09-25 05:16:33,631 INFO L138 BoogieDeclarations]: Found implementation of procedure Specification2 [2020-09-25 05:16:33,631 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2020-09-25 05:16:33,631 INFO L138 BoogieDeclarations]: Found implementation of procedure runTest [2020-09-25 05:16:33,631 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-09-25 05:16:33,631 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2020-09-25 05:16:33,631 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2020-09-25 05:16:33,631 INFO L130 BoogieDeclarations]: Found specification of procedure printf [2020-09-25 05:16:33,632 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2020-09-25 05:16:33,632 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2020-09-25 05:16:33,632 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2020-09-25 05:16:33,632 INFO L130 BoogieDeclarations]: Found specification of procedure free [2020-09-25 05:16:33,632 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_set [2020-09-25 05:16:33,632 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2020-09-25 05:16:33,633 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2020-09-25 05:16:33,633 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-09-25 05:16:33,633 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2020-09-25 05:16:33,633 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_free [2020-09-25 05:16:33,633 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-09-25 05:16:33,634 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_reset [2020-09-25 05:16:33,634 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~X~int~TO~int [2020-09-25 05:16:33,634 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2020-09-25 05:16:33,634 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__error_stack_mgt [2020-09-25 05:16:33,634 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_arg [2020-09-25 05:16:33,634 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-09-25 05:16:33,635 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_argtype [2020-09-25 05:16:33,635 INFO L130 BoogieDeclarations]: Found specification of procedure select_one [2020-09-25 05:16:33,635 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2020-09-25 05:16:33,635 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2020-09-25 05:16:33,635 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2020-09-25 05:16:33,635 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2020-09-25 05:16:33,636 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2020-09-25 05:16:33,636 INFO L130 BoogieDeclarations]: Found specification of procedure stopSystem [2020-09-25 05:16:33,636 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2020-09-25 05:16:33,636 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2020-09-25 05:16:33,636 INFO L130 BoogieDeclarations]: Found specification of procedure test [2020-09-25 05:16:33,636 INFO L130 BoogieDeclarations]: Found specification of procedure lowerWaterLevel [2020-09-25 05:16:33,636 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2020-09-25 05:16:33,637 INFO L130 BoogieDeclarations]: Found specification of procedure printEnvironment [2020-09-25 05:16:33,637 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump [2020-09-25 05:16:33,637 INFO L130 BoogieDeclarations]: Found specification of procedure deactivatePump [2020-09-25 05:16:33,637 INFO L130 BoogieDeclarations]: Found specification of procedure isPumpRunning [2020-09-25 05:16:33,637 INFO L130 BoogieDeclarations]: Found specification of procedure printPump [2020-09-25 05:16:33,637 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification4_spec__1 [2020-09-25 05:16:33,638 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment [2020-09-25 05:16:33,638 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneAlarm [2020-09-25 05:16:33,638 INFO L130 BoogieDeclarations]: Found specification of procedure getWaterLevel [2020-09-25 05:16:33,638 INFO L130 BoogieDeclarations]: Found specification of procedure Specification2 [2020-09-25 05:16:33,638 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2020-09-25 05:16:33,638 INFO L130 BoogieDeclarations]: Found specification of procedure runTest [2020-09-25 05:16:33,639 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-09-25 05:16:33,639 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-09-25 05:16:33,639 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-09-25 05:16:33,639 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-09-25 05:16:34,810 INFO L290 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-09-25 05:16:34,810 INFO L295 CfgBuilder]: Removed 5 assume(true) statements. [2020-09-25 05:16:34,819 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.09 05:16:34 BoogieIcfgContainer [2020-09-25 05:16:34,819 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-09-25 05:16:34,821 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-09-25 05:16:34,822 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-09-25 05:16:34,827 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-09-25 05:16:34,828 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 25.09 05:16:32" (1/3) ... [2020-09-25 05:16:34,829 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@53b077d2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 25.09 05:16:34, skipping insertion in model container [2020-09-25 05:16:34,829 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 05:16:33" (2/3) ... [2020-09-25 05:16:34,830 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@53b077d2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 25.09 05:16:34, skipping insertion in model container [2020-09-25 05:16:34,830 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.09 05:16:34" (3/3) ... [2020-09-25 05:16:34,834 INFO L109 eAbstractionObserver]: Analyzing ICFG minepump_spec4_product03.cil.c [2020-09-25 05:16:34,847 INFO L157 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:Craig_NestedInterpolation Determinization: PREDICATE_ABSTRACTION [2020-09-25 05:16:34,861 INFO L169 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-09-25 05:16:34,887 INFO L251 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-09-25 05:16:34,942 INFO L375 AbstractCegarLoop]: Interprodecural is true [2020-09-25 05:16:34,943 INFO L376 AbstractCegarLoop]: Hoare is true [2020-09-25 05:16:34,943 INFO L377 AbstractCegarLoop]: Compute interpolants for Craig_NestedInterpolation [2020-09-25 05:16:34,943 INFO L378 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-09-25 05:16:34,943 INFO L379 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-09-25 05:16:34,944 INFO L380 AbstractCegarLoop]: Difference is false [2020-09-25 05:16:34,944 INFO L381 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-09-25 05:16:34,944 INFO L385 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-09-25 05:16:34,982 INFO L276 IsEmpty]: Start isEmpty. Operand 250 states. [2020-09-25 05:16:35,006 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 143 [2020-09-25 05:16:35,007 INFO L414 BasicCegarLoop]: Found error trace [2020-09-25 05:16:35,008 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-09-25 05:16:35,009 INFO L427 AbstractCegarLoop]: === Iteration 1 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-25 05:16:35,017 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-25 05:16:35,018 INFO L82 PathProgramCache]: Analyzing trace with hash -601923373, now seen corresponding path program 1 times [2020-09-25 05:16:35,030 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-25 05:16:35,031 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [246255281] [2020-09-25 05:16:35,032 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-25 05:16:35,429 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 05:16:35,629 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 05:16:35,806 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 05:16:37,153 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 05:16:38,196 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 05:16:40,442 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 05:16:40,443 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 173 [2020-09-25 05:16:40,444 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 4 [2020-09-25 05:16:40,445 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5002 [2020-09-25 05:16:40,451 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 05:16:40,452 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-09-25 05:16:40,452 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 05:16:40,453 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 129 [2020-09-25 05:16:40,453 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 05:16:40,454 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 8 [2020-09-25 05:16:40,909 WARN L193 SmtUtils]: Spent 303.00 ms on a formula simplification that was a NOOP. DAG size: 184 [2020-09-25 05:16:40,912 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-25 05:16:40,927 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 05:16:40,937 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 05:16:41,047 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 05:16:41,048 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 85 [2020-09-25 05:16:41,048 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 05:16:41,048 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 119 [2020-09-25 05:16:41,048 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 05:16:41,049 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-09-25 05:16:41,049 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 05:16:41,049 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 05:16:41,049 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 05:16:41,050 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 05:16:41,110 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2020-09-25 05:16:41,111 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 05:16:41,113 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 05:16:41,115 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 05:16:41,115 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 05:16:41,115 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 05:16:41,116 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-25 05:16:41,116 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 05:16:41,116 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-09-25 05:16:41,116 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 05:16:41,117 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 05:16:41,117 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 05:16:41,117 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 05:16:41,119 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 86 [2020-09-25 05:16:41,120 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 05:16:41,121 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 05:16:41,123 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 05:16:41,124 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 05:16:41,124 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 05:16:41,124 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-25 05:16:41,124 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 05:16:41,124 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-09-25 05:16:41,125 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 05:16:41,125 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 05:16:41,125 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 05:16:41,125 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 05:16:41,127 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2020-09-25 05:16:41,128 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 05:16:41,129 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 05:16:41,133 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 05:16:41,133 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 05:16:41,134 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 05:16:41,134 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-09-25 05:16:41,134 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 05:16:41,134 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-09-25 05:16:41,135 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 05:16:41,135 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 05:16:41,135 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 05:16:41,135 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 05:16:41,137 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 99 [2020-09-25 05:16:41,138 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 05:16:41,139 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 05:16:41,141 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 05:16:41,141 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 05:16:41,142 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 05:16:41,142 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-25 05:16:41,142 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 05:16:41,142 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-09-25 05:16:41,143 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 05:16:41,143 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 05:16:41,143 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 05:16:41,143 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 05:16:41,145 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 120 [2020-09-25 05:16:41,146 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 05:16:41,149 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 05:16:41,151 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 05:16:41,151 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 05:16:41,151 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 05:16:41,152 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-09-25 05:16:41,152 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 05:16:41,152 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-09-25 05:16:41,153 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 05:16:41,153 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-09-25 05:16:41,153 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 05:16:41,153 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 05:16:41,155 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 130 [2020-09-25 05:16:41,156 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 05:16:41,158 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 05:16:41,160 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 05:16:41,160 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 05:16:41,161 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 05:16:41,161 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-25 05:16:41,161 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 05:16:41,161 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-09-25 05:16:41,162 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 05:16:41,162 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-09-25 05:16:41,162 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 05:16:41,162 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 05:16:41,191 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 05:16:41,192 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [246255281] [2020-09-25 05:16:41,194 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-25 05:16:41,195 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-09-25 05:16:41,196 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [732078612] [2020-09-25 05:16:41,203 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-09-25 05:16:41,203 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-25 05:16:41,223 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-09-25 05:16:41,224 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-09-25 05:16:41,227 INFO L87 Difference]: Start difference. First operand 250 states. Second operand 3 states. [2020-09-25 05:16:42,550 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-25 05:16:42,550 INFO L93 Difference]: Finished difference Result 363 states and 437 transitions. [2020-09-25 05:16:42,551 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-09-25 05:16:42,554 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 142 [2020-09-25 05:16:42,555 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-25 05:16:42,577 INFO L225 Difference]: With dead ends: 363 [2020-09-25 05:16:42,577 INFO L226 Difference]: Without dead ends: 238 [2020-09-25 05:16:42,584 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 16 GetRequests, 15 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-09-25 05:16:42,613 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 238 states. [2020-09-25 05:16:42,695 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 238 to 199. [2020-09-25 05:16:42,697 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 199 states. [2020-09-25 05:16:42,700 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 199 states to 199 states and 213 transitions. [2020-09-25 05:16:42,703 INFO L78 Accepts]: Start accepts. Automaton has 199 states and 213 transitions. Word has length 142 [2020-09-25 05:16:42,704 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-25 05:16:42,704 INFO L479 AbstractCegarLoop]: Abstraction has 199 states and 213 transitions. [2020-09-25 05:16:42,705 INFO L480 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-09-25 05:16:42,705 INFO L276 IsEmpty]: Start isEmpty. Operand 199 states and 213 transitions. [2020-09-25 05:16:42,709 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 144 [2020-09-25 05:16:42,709 INFO L414 BasicCegarLoop]: Found error trace [2020-09-25 05:16:42,709 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-09-25 05:16:42,710 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-09-25 05:16:42,710 INFO L427 AbstractCegarLoop]: === Iteration 2 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-25 05:16:42,710 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-25 05:16:42,711 INFO L82 PathProgramCache]: Analyzing trace with hash -1562275649, now seen corresponding path program 1 times [2020-09-25 05:16:42,711 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-25 05:16:42,711 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1475300281] [2020-09-25 05:16:42,712 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-25 05:16:42,774 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 05:16:42,866 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 05:16:42,968 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 05:16:44,457 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 05:16:45,258 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 05:16:46,302 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 05:16:47,815 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 05:16:47,816 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 174 [2020-09-25 05:16:47,816 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 5 [2020-09-25 05:16:47,825 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5037 [2020-09-25 05:16:47,827 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 05:16:47,827 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-09-25 05:16:47,827 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 05:16:47,827 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 128 [2020-09-25 05:16:47,828 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 3 [2020-09-25 05:16:47,828 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 05:16:48,136 WARN L193 SmtUtils]: Spent 234.00 ms on a formula simplification that was a NOOP. DAG size: 184 [2020-09-25 05:16:48,138 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-25 05:16:48,150 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 05:16:48,161 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 05:16:48,253 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 05:16:48,254 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 85 [2020-09-25 05:16:48,254 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 05:16:48,254 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 101 [2020-09-25 05:16:48,254 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 05:16:48,255 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-09-25 05:16:48,255 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 05:16:48,255 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 05:16:48,255 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 05:16:48,255 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 05:16:48,291 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2020-09-25 05:16:48,291 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 05:16:48,293 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 05:16:48,294 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 05:16:48,294 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 05:16:48,294 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 05:16:48,295 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-25 05:16:48,295 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 05:16:48,295 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-09-25 05:16:48,295 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 05:16:48,296 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 05:16:48,296 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 05:16:48,296 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 05:16:48,298 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 86 [2020-09-25 05:16:48,299 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 05:16:48,305 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 05:16:48,306 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 05:16:48,306 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 05:16:48,307 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 05:16:48,307 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-09-25 05:16:48,307 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 05:16:48,307 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-09-25 05:16:48,308 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 05:16:48,308 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 05:16:48,308 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 05:16:48,308 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 05:16:48,309 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2020-09-25 05:16:48,312 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 05:16:48,314 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 05:16:48,317 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 05:16:48,318 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 05:16:48,318 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 05:16:48,318 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-09-25 05:16:48,318 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 05:16:48,319 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-09-25 05:16:48,319 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 05:16:48,319 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 05:16:48,319 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 05:16:48,320 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 05:16:48,321 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 99 [2020-09-25 05:16:48,322 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 05:16:48,323 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 05:16:48,325 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 05:16:48,325 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 05:16:48,326 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 05:16:48,326 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-25 05:16:48,326 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 05:16:48,326 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-09-25 05:16:48,326 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 05:16:48,327 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 05:16:48,327 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 05:16:48,327 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 05:16:48,328 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 121 [2020-09-25 05:16:48,329 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 05:16:48,330 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 05:16:48,335 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 05:16:48,335 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 05:16:48,335 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 05:16:48,335 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-09-25 05:16:48,336 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 05:16:48,336 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-09-25 05:16:48,336 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 05:16:48,336 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-09-25 05:16:48,337 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 05:16:48,337 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 05:16:48,339 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 131 [2020-09-25 05:16:48,340 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 05:16:48,341 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 05:16:48,343 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 05:16:48,344 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 05:16:48,344 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 05:16:48,344 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-25 05:16:48,344 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 05:16:48,345 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-09-25 05:16:48,345 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 05:16:48,345 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-09-25 05:16:48,345 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 05:16:48,346 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 05:16:48,410 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 05:16:48,411 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1475300281] [2020-09-25 05:16:48,412 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-25 05:16:48,412 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2020-09-25 05:16:48,412 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1206937190] [2020-09-25 05:16:48,416 INFO L459 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-09-25 05:16:48,416 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-25 05:16:48,416 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-09-25 05:16:48,416 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2020-09-25 05:16:48,417 INFO L87 Difference]: Start difference. First operand 199 states and 213 transitions. Second operand 4 states. [2020-09-25 05:16:49,028 WARN L193 SmtUtils]: Spent 218.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-09-25 05:16:49,603 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-25 05:16:49,603 INFO L93 Difference]: Finished difference Result 271 states and 302 transitions. [2020-09-25 05:16:49,608 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-09-25 05:16:49,608 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 143 [2020-09-25 05:16:49,609 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-25 05:16:49,612 INFO L225 Difference]: With dead ends: 271 [2020-09-25 05:16:49,612 INFO L226 Difference]: Without dead ends: 221 [2020-09-25 05:16:49,614 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 18 GetRequests, 15 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2020-09-25 05:16:49,614 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 221 states. [2020-09-25 05:16:49,663 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 221 to 189. [2020-09-25 05:16:49,663 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 189 states. [2020-09-25 05:16:49,665 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 189 states to 189 states and 200 transitions. [2020-09-25 05:16:49,665 INFO L78 Accepts]: Start accepts. Automaton has 189 states and 200 transitions. Word has length 143 [2020-09-25 05:16:49,666 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-25 05:16:49,666 INFO L479 AbstractCegarLoop]: Abstraction has 189 states and 200 transitions. [2020-09-25 05:16:49,666 INFO L480 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-09-25 05:16:49,666 INFO L276 IsEmpty]: Start isEmpty. Operand 189 states and 200 transitions. [2020-09-25 05:16:49,668 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 153 [2020-09-25 05:16:49,669 INFO L414 BasicCegarLoop]: Found error trace [2020-09-25 05:16:49,669 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 05:16:49,669 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-09-25 05:16:49,669 INFO L427 AbstractCegarLoop]: === Iteration 3 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-25 05:16:49,670 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-25 05:16:49,670 INFO L82 PathProgramCache]: Analyzing trace with hash 1578650388, now seen corresponding path program 1 times [2020-09-25 05:16:49,670 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-25 05:16:49,670 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [2006963879] [2020-09-25 05:16:49,671 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-25 05:16:49,716 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 05:16:49,768 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 05:16:50,399 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 05:16:51,321 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 05:16:54,731 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 05:16:54,731 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 181 [2020-09-25 05:16:54,731 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-09-25 05:16:54,731 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5012 [2020-09-25 05:16:54,732 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 05:16:54,732 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-09-25 05:16:54,732 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 8 [2020-09-25 05:16:54,733 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 79 [2020-09-25 05:16:54,733 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 69 [2020-09-25 05:16:54,733 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 05:16:55,195 WARN L193 SmtUtils]: Spent 355.00 ms on a formula simplification that was a NOOP. DAG size: 184 [2020-09-25 05:16:55,196 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-25 05:16:55,242 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 05:16:55,286 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 05:16:55,523 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 05:16:55,524 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 85 [2020-09-25 05:16:55,524 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 05:16:55,525 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 280 [2020-09-25 05:16:55,525 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 05:16:55,525 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-09-25 05:16:55,526 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 05:16:55,526 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 05:16:55,527 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 75 [2020-09-25 05:16:55,527 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 05:16:55,612 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2020-09-25 05:16:55,613 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 05:16:55,614 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 05:16:55,619 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 05:16:55,619 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 05:16:55,619 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 05:16:55,620 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-09-25 05:16:55,620 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 05:16:55,620 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-09-25 05:16:55,621 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 05:16:55,621 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 05:16:55,622 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-25 05:16:55,622 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 05:16:55,623 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 86 [2020-09-25 05:16:55,624 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 05:16:55,626 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 05:16:55,629 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 05:16:55,630 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 05:16:55,630 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 05:16:55,630 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-09-25 05:16:55,631 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 05:16:55,631 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-09-25 05:16:55,632 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 05:16:55,632 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 05:16:55,632 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-25 05:16:55,633 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 05:16:55,634 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2020-09-25 05:16:55,635 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 05:16:55,637 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 05:16:55,666 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 05:16:55,667 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 05:16:55,667 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 05:16:55,668 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 30 [2020-09-25 05:16:55,668 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 05:16:55,670 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-09-25 05:16:55,670 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 05:16:55,671 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 05:16:55,671 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-09-25 05:16:55,671 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 3 [2020-09-25 05:16:55,673 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 99 [2020-09-25 05:16:55,674 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 05:16:55,675 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 05:16:55,678 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 05:16:55,678 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 05:16:55,678 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 05:16:55,679 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-25 05:16:55,679 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 05:16:55,679 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-09-25 05:16:55,679 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 05:16:55,680 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 05:16:55,680 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-25 05:16:55,680 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 05:16:55,681 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 130 [2020-09-25 05:16:55,682 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 05:16:55,684 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 05:16:55,685 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 05:16:55,686 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 05:16:55,686 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 05:16:55,687 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-25 05:16:55,688 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 05:16:55,688 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-09-25 05:16:55,688 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 05:16:55,688 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-09-25 05:16:55,688 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 05:16:55,689 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 05:16:55,690 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 140 [2020-09-25 05:16:55,691 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 05:16:55,692 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 05:16:55,693 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 05:16:55,693 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 05:16:55,693 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 05:16:55,693 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-25 05:16:55,693 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 05:16:55,693 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-09-25 05:16:55,696 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 05:16:55,696 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-09-25 05:16:55,696 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 05:16:55,696 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 3 [2020-09-25 05:16:55,742 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 05:16:55,743 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [2006963879] [2020-09-25 05:16:55,744 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-25 05:16:55,744 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2020-09-25 05:16:55,744 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [821885222] [2020-09-25 05:16:55,745 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-09-25 05:16:55,746 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-25 05:16:55,746 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-09-25 05:16:55,748 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-09-25 05:16:55,748 INFO L87 Difference]: Start difference. First operand 189 states and 200 transitions. Second operand 5 states. [2020-09-25 05:16:56,259 WARN L193 SmtUtils]: Spent 269.00 ms on a formula simplification that was a NOOP. DAG size: 186 [2020-09-25 05:16:56,972 WARN L193 SmtUtils]: Spent 234.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-09-25 05:16:57,966 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-25 05:16:57,967 INFO L93 Difference]: Finished difference Result 470 states and 539 transitions. [2020-09-25 05:16:57,968 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2020-09-25 05:16:57,968 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 152 [2020-09-25 05:16:57,969 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-25 05:16:57,974 INFO L225 Difference]: With dead ends: 470 [2020-09-25 05:16:57,974 INFO L226 Difference]: Without dead ends: 391 [2020-09-25 05:16:57,975 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 24 GetRequests, 19 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.9s TimeCoverageRelationStatistics Valid=18, Invalid=24, Unknown=0, NotChecked=0, Total=42 [2020-09-25 05:16:57,977 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 391 states. [2020-09-25 05:16:58,035 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 391 to 320. [2020-09-25 05:16:58,035 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 320 states. [2020-09-25 05:16:58,037 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 320 states to 320 states and 352 transitions. [2020-09-25 05:16:58,037 INFO L78 Accepts]: Start accepts. Automaton has 320 states and 352 transitions. Word has length 152 [2020-09-25 05:16:58,038 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-25 05:16:58,038 INFO L479 AbstractCegarLoop]: Abstraction has 320 states and 352 transitions. [2020-09-25 05:16:58,038 INFO L480 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-09-25 05:16:58,038 INFO L276 IsEmpty]: Start isEmpty. Operand 320 states and 352 transitions. [2020-09-25 05:16:58,041 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 156 [2020-09-25 05:16:58,041 INFO L414 BasicCegarLoop]: Found error trace [2020-09-25 05:16:58,041 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-09-25 05:16:58,041 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-09-25 05:16:58,042 INFO L427 AbstractCegarLoop]: === Iteration 4 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-25 05:16:58,042 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-25 05:16:58,042 INFO L82 PathProgramCache]: Analyzing trace with hash 1138116107, now seen corresponding path program 1 times [2020-09-25 05:16:58,043 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-25 05:16:58,043 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [431145809] [2020-09-25 05:16:58,043 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-25 05:16:58,093 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 05:16:58,155 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 05:16:59,061 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 05:17:01,498 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 05:17:03,096 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 05:17:03,097 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 186 [2020-09-25 05:17:03,097 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-09-25 05:17:03,097 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5000 [2020-09-25 05:17:03,097 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 05:17:03,098 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-09-25 05:17:03,098 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-09-25 05:17:03,098 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 146 [2020-09-25 05:17:03,098 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 36 [2020-09-25 05:17:03,098 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 05:17:03,422 WARN L193 SmtUtils]: Spent 239.00 ms on a formula simplification that was a NOOP. DAG size: 184 [2020-09-25 05:17:03,424 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-25 05:17:03,440 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 05:17:03,450 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 05:17:03,550 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 05:17:03,550 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 85 [2020-09-25 05:17:03,550 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 05:17:03,550 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 109 [2020-09-25 05:17:03,551 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 05:17:03,551 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-09-25 05:17:03,551 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 05:17:03,551 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 05:17:03,551 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 05:17:03,552 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 05:17:03,593 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2020-09-25 05:17:03,594 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 05:17:03,595 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 05:17:03,597 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 05:17:03,597 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 05:17:03,598 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 05:17:03,598 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-25 05:17:03,598 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 05:17:03,599 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-09-25 05:17:03,599 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 05:17:03,599 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 05:17:03,600 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 05:17:03,600 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 05:17:03,601 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 86 [2020-09-25 05:17:03,602 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 05:17:03,603 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 05:17:03,605 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 05:17:03,606 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 05:17:03,606 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 05:17:03,606 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-25 05:17:03,607 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 05:17:03,607 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-09-25 05:17:03,608 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 05:17:03,608 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 05:17:03,608 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 05:17:03,609 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 05:17:03,610 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2020-09-25 05:17:03,611 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 05:17:03,612 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 05:17:03,616 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 05:17:03,616 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 05:17:03,616 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 05:17:03,617 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-09-25 05:17:03,617 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 05:17:03,617 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-09-25 05:17:03,618 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 05:17:03,618 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 05:17:03,618 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 05:17:03,619 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 05:17:03,620 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 99 [2020-09-25 05:17:03,621 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 05:17:03,622 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 05:17:03,624 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 05:17:03,624 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 05:17:03,625 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 05:17:03,625 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-25 05:17:03,625 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 05:17:03,626 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-09-25 05:17:03,626 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 05:17:03,626 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 05:17:03,627 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 05:17:03,627 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 05:17:03,628 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 127 [2020-09-25 05:17:03,630 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 05:17:03,631 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 05:17:03,634 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 05:17:03,634 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 05:17:03,635 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 05:17:03,635 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-25 05:17:03,635 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 05:17:03,636 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-09-25 05:17:03,636 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 05:17:03,637 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 05:17:03,637 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-25 05:17:03,637 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 05:17:03,639 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 133 [2020-09-25 05:17:03,640 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 05:17:03,642 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 05:17:03,645 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 05:17:03,645 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 05:17:03,646 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 05:17:03,646 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-09-25 05:17:03,646 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 05:17:03,647 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-09-25 05:17:03,647 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 05:17:03,647 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 05:17:03,648 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-09-25 05:17:03,648 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 05:17:03,650 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 143 [2020-09-25 05:17:03,651 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 05:17:03,653 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 05:17:03,662 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 05:17:03,662 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 05:17:03,663 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 05:17:03,663 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 9 [2020-09-25 05:17:03,663 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 05:17:03,664 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-09-25 05:17:03,664 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-09-25 05:17:03,664 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 05:17:03,665 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-09-25 05:17:03,665 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 05:17:03,731 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 05:17:03,732 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [431145809] [2020-09-25 05:17:03,733 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-25 05:17:03,733 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2020-09-25 05:17:03,734 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1727859403] [2020-09-25 05:17:03,735 INFO L459 AbstractCegarLoop]: Interpolant automaton has 8 states [2020-09-25 05:17:03,735 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-25 05:17:03,735 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2020-09-25 05:17:03,736 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=43, Unknown=0, NotChecked=0, Total=56 [2020-09-25 05:17:03,736 INFO L87 Difference]: Start difference. First operand 320 states and 352 transitions. Second operand 8 states. [2020-09-25 05:17:04,343 WARN L193 SmtUtils]: Spent 237.00 ms on a formula simplification that was a NOOP. DAG size: 186 [2020-09-25 05:17:05,349 WARN L193 SmtUtils]: Spent 271.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-09-25 05:17:05,708 WARN L193 SmtUtils]: Spent 318.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-09-25 05:17:06,022 WARN L193 SmtUtils]: Spent 268.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-09-25 05:17:06,320 WARN L193 SmtUtils]: Spent 269.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-09-25 05:17:06,609 WARN L193 SmtUtils]: Spent 269.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-09-25 05:17:06,730 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-25 05:17:06,730 INFO L93 Difference]: Finished difference Result 542 states and 620 transitions. [2020-09-25 05:17:06,731 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2020-09-25 05:17:06,731 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 155 [2020-09-25 05:17:06,732 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-25 05:17:06,733 INFO L225 Difference]: With dead ends: 542 [2020-09-25 05:17:06,733 INFO L226 Difference]: Without dead ends: 0 [2020-09-25 05:17:06,742 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 30 GetRequests, 18 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 8 ImplicationChecksByTransitivity, 2.0s TimeCoverageRelationStatistics Valid=52, Invalid=130, Unknown=0, NotChecked=0, Total=182 [2020-09-25 05:17:06,743 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2020-09-25 05:17:06,743 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2020-09-25 05:17:06,743 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2020-09-25 05:17:06,743 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2020-09-25 05:17:06,743 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 155 [2020-09-25 05:17:06,744 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-25 05:17:06,744 INFO L479 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-09-25 05:17:06,744 INFO L480 AbstractCegarLoop]: Interpolant automaton has 8 states. [2020-09-25 05:17:06,744 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2020-09-25 05:17:06,744 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-09-25 05:17:06,744 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2020-09-25 05:17:06,748 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2020-09-25 05:17:06,933 WARN L193 SmtUtils]: Spent 172.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-09-25 05:17:07,309 WARN L193 SmtUtils]: Spent 374.00 ms on a formula simplification. DAG size of input: 190 DAG size of output: 188 [2020-09-25 05:17:07,664 WARN L193 SmtUtils]: Spent 345.00 ms on a formula simplification. DAG size of input: 190 DAG size of output: 188 [2020-09-25 05:17:08,005 WARN L193 SmtUtils]: Spent 334.00 ms on a formula simplification. DAG size of input: 190 DAG size of output: 188 [2020-09-25 05:17:08,250 WARN L193 SmtUtils]: Spent 242.00 ms on a formula simplification. DAG size of input: 192 DAG size of output: 186 [2020-09-25 05:17:08,402 WARN L193 SmtUtils]: Spent 148.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-09-25 05:17:08,550 WARN L193 SmtUtils]: Spent 147.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-09-25 05:17:08,701 WARN L193 SmtUtils]: Spent 149.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-09-25 05:17:08,820 WARN L193 SmtUtils]: Spent 118.00 ms on a formula simplification. DAG size of input: 201 DAG size of output: 6 [2020-09-25 05:17:08,978 WARN L193 SmtUtils]: Spent 156.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-09-25 05:17:09,133 WARN L193 SmtUtils]: Spent 150.00 ms on a formula simplification that was a NOOP. DAG size: 186 [2020-09-25 05:17:09,285 WARN L193 SmtUtils]: Spent 150.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-09-25 05:17:09,436 WARN L193 SmtUtils]: Spent 148.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-09-25 05:17:09,585 WARN L193 SmtUtils]: Spent 147.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-09-25 05:17:09,729 WARN L193 SmtUtils]: Spent 138.00 ms on a formula simplification that was a NOOP. DAG size: 184 [2020-09-25 05:17:09,884 WARN L193 SmtUtils]: Spent 153.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-09-25 05:17:10,031 WARN L193 SmtUtils]: Spent 144.00 ms on a formula simplification that was a NOOP. DAG size: 186 [2020-09-25 05:17:10,179 WARN L193 SmtUtils]: Spent 147.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-09-25 05:17:10,330 WARN L193 SmtUtils]: Spent 149.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-09-25 05:17:10,436 WARN L193 SmtUtils]: Spent 103.00 ms on a formula simplification. DAG size of input: 201 DAG size of output: 6 [2020-09-25 05:17:10,589 WARN L193 SmtUtils]: Spent 152.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-09-25 05:17:10,741 WARN L193 SmtUtils]: Spent 147.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-09-25 05:17:10,892 WARN L193 SmtUtils]: Spent 148.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-09-25 05:17:11,036 WARN L193 SmtUtils]: Spent 142.00 ms on a formula simplification that was a NOOP. DAG size: 186 [2020-09-25 05:17:11,185 WARN L193 SmtUtils]: Spent 147.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-09-25 05:17:11,333 WARN L193 SmtUtils]: Spent 147.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-09-25 05:17:11,477 WARN L193 SmtUtils]: Spent 142.00 ms on a formula simplification that was a NOOP. DAG size: 186 [2020-09-25 05:17:11,725 WARN L193 SmtUtils]: Spent 146.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-09-25 05:17:11,876 WARN L193 SmtUtils]: Spent 146.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-09-25 05:17:12,024 WARN L193 SmtUtils]: Spent 147.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-09-25 05:17:12,168 WARN L193 SmtUtils]: Spent 142.00 ms on a formula simplification that was a NOOP. DAG size: 186 [2020-09-25 05:17:12,318 WARN L193 SmtUtils]: Spent 147.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-09-25 05:17:12,469 WARN L193 SmtUtils]: Spent 148.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-09-25 05:17:12,617 WARN L193 SmtUtils]: Spent 146.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-09-25 05:17:12,762 WARN L193 SmtUtils]: Spent 143.00 ms on a formula simplification that was a NOOP. DAG size: 186 [2020-09-25 05:17:13,012 WARN L193 SmtUtils]: Spent 148.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-09-25 05:17:13,168 WARN L193 SmtUtils]: Spent 155.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-09-25 05:17:13,318 WARN L193 SmtUtils]: Spent 146.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-09-25 05:17:13,466 WARN L193 SmtUtils]: Spent 147.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-09-25 05:17:13,616 WARN L193 SmtUtils]: Spent 147.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-09-25 05:17:13,937 WARN L193 SmtUtils]: Spent 311.00 ms on a formula simplification. DAG size of input: 190 DAG size of output: 188 [2020-09-25 05:17:14,249 WARN L193 SmtUtils]: Spent 308.00 ms on a formula simplification. DAG size of input: 190 DAG size of output: 188 [2020-09-25 05:17:14,564 WARN L193 SmtUtils]: Spent 311.00 ms on a formula simplification. DAG size of input: 190 DAG size of output: 188 [2020-09-25 05:17:14,873 WARN L193 SmtUtils]: Spent 307.00 ms on a formula simplification. DAG size of input: 190 DAG size of output: 188 [2020-09-25 05:17:15,021 WARN L193 SmtUtils]: Spent 142.00 ms on a formula simplification that was a NOOP. DAG size: 186 [2020-09-25 05:17:15,171 WARN L193 SmtUtils]: Spent 147.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-09-25 05:17:15,324 WARN L193 SmtUtils]: Spent 149.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-09-25 05:17:15,474 WARN L193 SmtUtils]: Spent 147.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-09-25 05:17:15,622 WARN L193 SmtUtils]: Spent 147.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-09-25 05:17:15,925 WARN L193 SmtUtils]: Spent 301.00 ms on a formula simplification. DAG size of input: 194 DAG size of output: 187 [2020-09-25 05:17:16,229 WARN L193 SmtUtils]: Spent 302.00 ms on a formula simplification. DAG size of input: 194 DAG size of output: 187 [2020-09-25 05:17:16,374 WARN L193 SmtUtils]: Spent 142.00 ms on a formula simplification that was a NOOP. DAG size: 186 [2020-09-25 05:17:16,522 WARN L193 SmtUtils]: Spent 147.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-09-25 05:17:16,671 WARN L193 SmtUtils]: Spent 147.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-09-25 05:17:16,920 WARN L193 SmtUtils]: Spent 245.00 ms on a formula simplification. DAG size of input: 200 DAG size of output: 6 [2020-09-25 05:17:17,135 WARN L193 SmtUtils]: Spent 192.00 ms on a formula simplification. DAG size of input: 136 DAG size of output: 20 [2020-09-25 05:17:17,528 WARN L193 SmtUtils]: Spent 387.00 ms on a formula simplification. DAG size of input: 139 DAG size of output: 8 [2020-09-25 05:17:17,727 WARN L193 SmtUtils]: Spent 195.00 ms on a formula simplification. DAG size of input: 136 DAG size of output: 20 [2020-09-25 05:17:17,939 WARN L193 SmtUtils]: Spent 210.00 ms on a formula simplification. DAG size of input: 136 DAG size of output: 20 [2020-09-25 05:17:18,179 WARN L193 SmtUtils]: Spent 210.00 ms on a formula simplification. DAG size of input: 136 DAG size of output: 20 [2020-09-25 05:17:18,399 WARN L193 SmtUtils]: Spent 214.00 ms on a formula simplification. DAG size of input: 138 DAG size of output: 1 [2020-09-25 05:17:18,620 WARN L193 SmtUtils]: Spent 219.00 ms on a formula simplification. DAG size of input: 136 DAG size of output: 20 [2020-09-25 05:17:18,882 WARN L193 SmtUtils]: Spent 249.00 ms on a formula simplification that was a NOOP. DAG size: 184 [2020-09-25 05:17:19,093 WARN L193 SmtUtils]: Spent 208.00 ms on a formula simplification. DAG size of input: 136 DAG size of output: 20 [2020-09-25 05:17:19,291 WARN L193 SmtUtils]: Spent 195.00 ms on a formula simplification. DAG size of input: 138 DAG size of output: 1 [2020-09-25 05:17:19,694 WARN L193 SmtUtils]: Spent 391.00 ms on a formula simplification. DAG size of input: 139 DAG size of output: 8 [2020-09-25 05:17:19,894 WARN L193 SmtUtils]: Spent 196.00 ms on a formula simplification. DAG size of input: 138 DAG size of output: 1 [2020-09-25 05:17:20,073 WARN L193 SmtUtils]: Spent 156.00 ms on a formula simplification. DAG size of input: 138 DAG size of output: 1 [2020-09-25 05:17:20,431 WARN L193 SmtUtils]: Spent 355.00 ms on a formula simplification. DAG size of input: 139 DAG size of output: 8 [2020-09-25 05:17:20,665 WARN L193 SmtUtils]: Spent 220.00 ms on a formula simplification. DAG size of input: 136 DAG size of output: 1 [2020-09-25 05:17:20,903 WARN L193 SmtUtils]: Spent 211.00 ms on a formula simplification. DAG size of input: 136 DAG size of output: 20 [2020-09-25 05:17:21,317 WARN L193 SmtUtils]: Spent 396.00 ms on a formula simplification. DAG size of input: 138 DAG size of output: 12 [2020-09-25 05:17:21,714 WARN L193 SmtUtils]: Spent 395.00 ms on a formula simplification. DAG size of input: 139 DAG size of output: 8 [2020-09-25 05:17:21,941 WARN L193 SmtUtils]: Spent 225.00 ms on a formula simplification. DAG size of input: 136 DAG size of output: 20