/usr/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata ./data -tc ../../../trunk/examples/toolchains/AutomizerC.xml --traceabstraction.trace.refinement.strategy FIXED_PREFERENCES --traceabstraction.compute.interpolants.along.a.counterexample Craig_NestedInterpolation --traceabstraction.smt.solver Internal_SMTInterpol --traceabstraction.compute.trace.for.counterexample.result false --rcfgbuilder.size.of.a.code.block SingleStatement --traceabstraction.use.minimal.unsat.core.enumeration true --traceabstraction.additional.smt.options produce-proofs=true --traceabstraction.additional.smt.options produce-unsat-cores=true --traceabstraction.additional.smt.options enumeration-timeout=5000 --traceabstraction.additional.smt.options interpolation-heuristic=WIDESTAMONGSMALL --traceabstraction.additional.smt.options tolerance=1.0 --traceabstraction.additional.smt.options log-additional-information=true -s ../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf -i ../../../trunk/examples/svcomp/product-lines/minepump_spec4_product03.cil.c -------------------------------------------------------------------------------- This is Ultimate 0.1.25-c90d42b [2020-09-25 08:43:11,098 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-09-25 08:43:11,103 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-09-25 08:43:11,145 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-09-25 08:43:11,146 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-09-25 08:43:11,153 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-09-25 08:43:11,155 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-09-25 08:43:11,158 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-09-25 08:43:11,161 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-09-25 08:43:11,164 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-09-25 08:43:11,165 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-09-25 08:43:11,166 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-09-25 08:43:11,166 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-09-25 08:43:11,169 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-09-25 08:43:11,171 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-09-25 08:43:11,173 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-09-25 08:43:11,174 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-09-25 08:43:11,175 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-09-25 08:43:11,177 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-09-25 08:43:11,185 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-09-25 08:43:11,187 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-09-25 08:43:11,188 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-09-25 08:43:11,189 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-09-25 08:43:11,189 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-09-25 08:43:11,201 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-09-25 08:43:11,202 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-09-25 08:43:11,202 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-09-25 08:43:11,211 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-09-25 08:43:11,212 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-09-25 08:43:11,213 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-09-25 08:43:11,213 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-09-25 08:43:11,214 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-09-25 08:43:11,214 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-09-25 08:43:11,217 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-09-25 08:43:11,218 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-09-25 08:43:11,218 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-09-25 08:43:11,219 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-09-25 08:43:11,219 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-09-25 08:43:11,219 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-09-25 08:43:11,221 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-09-25 08:43:11,222 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-09-25 08:43:11,222 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf [2020-09-25 08:43:11,265 INFO L113 SettingsManager]: Loading preferences was successful [2020-09-25 08:43:11,265 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-09-25 08:43:11,267 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-09-25 08:43:11,267 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-09-25 08:43:11,267 INFO L138 SettingsManager]: * Use SBE=true [2020-09-25 08:43:11,267 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-09-25 08:43:11,268 INFO L138 SettingsManager]: * sizeof long=4 [2020-09-25 08:43:11,268 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-09-25 08:43:11,268 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-09-25 08:43:11,268 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-09-25 08:43:11,269 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-09-25 08:43:11,269 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-09-25 08:43:11,270 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-09-25 08:43:11,270 INFO L138 SettingsManager]: * sizeof long double=12 [2020-09-25 08:43:11,270 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-09-25 08:43:11,270 INFO L138 SettingsManager]: * Use constant arrays=true [2020-09-25 08:43:11,271 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-09-25 08:43:11,271 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-09-25 08:43:11,271 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-09-25 08:43:11,271 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-09-25 08:43:11,271 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-09-25 08:43:11,272 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-09-25 08:43:11,272 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-09-25 08:43:11,272 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-09-25 08:43:11,272 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-09-25 08:43:11,272 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-09-25 08:43:11,273 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-09-25 08:43:11,273 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-09-25 08:43:11,273 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-09-25 08:43:11,273 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Trace refinement strategy -> FIXED_PREFERENCES Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute Interpolants along a Counterexample -> Craig_NestedInterpolation Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: SMT solver -> Internal_SMTInterpol Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute trace for counterexample result -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder: Size of a code block -> SingleStatement Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Use minimal unsat core enumeration -> true Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=5000;interpolation-heuristic=WIDESTAMONGSMALL;tolerance=1.0;log-additional-information=true; Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=5000;interpolation-heuristic=WIDESTAMONGSMALL;tolerance=1.0;log-additional-information=true; Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=5000;interpolation-heuristic=WIDESTAMONGSMALL;tolerance=1.0;log-additional-information=true; Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=5000;interpolation-heuristic=WIDESTAMONGSMALL;tolerance=1.0;log-additional-information=true; Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=5000;interpolation-heuristic=WIDESTAMONGSMALL;tolerance=1.0;log-additional-information=true; Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=5000;interpolation-heuristic=WIDESTAMONGSMALL;tolerance=1.0;log-additional-information=true; [2020-09-25 08:43:11,717 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-09-25 08:43:11,735 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-09-25 08:43:11,740 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-09-25 08:43:11,741 INFO L271 PluginConnector]: Initializing CDTParser... [2020-09-25 08:43:11,742 INFO L275 PluginConnector]: CDTParser initialized [2020-09-25 08:43:11,743 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/product-lines/minepump_spec4_product03.cil.c [2020-09-25 08:43:11,820 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/a62b0d98b/6e62ce23f49e45669f95112e3ad57061/FLAGc97983447 [2020-09-25 08:43:12,360 INFO L306 CDTParser]: Found 1 translation units. [2020-09-25 08:43:12,361 INFO L160 CDTParser]: Scanning /storage/repos/ultimate-2/trunk/examples/svcomp/product-lines/minepump_spec4_product03.cil.c [2020-09-25 08:43:12,376 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/a62b0d98b/6e62ce23f49e45669f95112e3ad57061/FLAGc97983447 [2020-09-25 08:43:12,662 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/a62b0d98b/6e62ce23f49e45669f95112e3ad57061 [2020-09-25 08:43:12,676 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-09-25 08:43:12,683 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-09-25 08:43:12,687 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-09-25 08:43:12,687 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-09-25 08:43:12,691 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-09-25 08:43:12,692 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.09 08:43:12" (1/1) ... [2020-09-25 08:43:12,697 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@51a556b5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 08:43:12, skipping insertion in model container [2020-09-25 08:43:12,697 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.09 08:43:12" (1/1) ... [2020-09-25 08:43:12,707 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-09-25 08:43:12,782 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-09-25 08:43:13,113 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-09-25 08:43:13,128 INFO L203 MainTranslator]: Completed pre-run [2020-09-25 08:43:13,317 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-09-25 08:43:13,361 INFO L208 MainTranslator]: Completed translation [2020-09-25 08:43:13,361 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 08:43:13 WrapperNode [2020-09-25 08:43:13,362 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-09-25 08:43:13,363 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-09-25 08:43:13,363 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-09-25 08:43:13,363 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-09-25 08:43:13,377 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 08:43:13" (1/1) ... [2020-09-25 08:43:13,378 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 08:43:13" (1/1) ... [2020-09-25 08:43:13,397 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 08:43:13" (1/1) ... [2020-09-25 08:43:13,398 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 08:43:13" (1/1) ... [2020-09-25 08:43:13,427 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 08:43:13" (1/1) ... [2020-09-25 08:43:13,437 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 08:43:13" (1/1) ... [2020-09-25 08:43:13,443 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 08:43:13" (1/1) ... [2020-09-25 08:43:13,451 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-09-25 08:43:13,452 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-09-25 08:43:13,452 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-09-25 08:43:13,452 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-09-25 08:43:13,453 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 08:43:13" (1/1) ... No working directory specified, using /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-09-25 08:43:13,549 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-09-25 08:43:13,550 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-09-25 08:43:13,550 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~X~int~TO~int [2020-09-25 08:43:13,550 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2020-09-25 08:43:13,551 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_set [2020-09-25 08:43:13,551 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_free [2020-09-25 08:43:13,551 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_reset [2020-09-25 08:43:13,552 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__error_stack_mgt [2020-09-25 08:43:13,553 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_arg [2020-09-25 08:43:13,553 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_argtype [2020-09-25 08:43:13,553 INFO L138 BoogieDeclarations]: Found implementation of procedure select_one [2020-09-25 08:43:13,553 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2020-09-25 08:43:13,553 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2020-09-25 08:43:13,553 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2020-09-25 08:43:13,554 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2020-09-25 08:43:13,555 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2020-09-25 08:43:13,555 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment [2020-09-25 08:43:13,555 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump [2020-09-25 08:43:13,555 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivatePump [2020-09-25 08:43:13,555 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneAlarm [2020-09-25 08:43:13,555 INFO L138 BoogieDeclarations]: Found implementation of procedure isPumpRunning [2020-09-25 08:43:13,556 INFO L138 BoogieDeclarations]: Found implementation of procedure printPump [2020-09-25 08:43:13,557 INFO L138 BoogieDeclarations]: Found implementation of procedure stopSystem [2020-09-25 08:43:13,557 INFO L138 BoogieDeclarations]: Found implementation of procedure lowerWaterLevel [2020-09-25 08:43:13,557 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2020-09-25 08:43:13,558 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2020-09-25 08:43:13,558 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2020-09-25 08:43:13,558 INFO L138 BoogieDeclarations]: Found implementation of procedure printEnvironment [2020-09-25 08:43:13,558 INFO L138 BoogieDeclarations]: Found implementation of procedure getWaterLevel [2020-09-25 08:43:13,559 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification4_spec__1 [2020-09-25 08:43:13,559 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2020-09-25 08:43:13,559 INFO L138 BoogieDeclarations]: Found implementation of procedure Specification2 [2020-09-25 08:43:13,559 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2020-09-25 08:43:13,559 INFO L138 BoogieDeclarations]: Found implementation of procedure runTest [2020-09-25 08:43:13,559 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-09-25 08:43:13,559 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2020-09-25 08:43:13,560 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2020-09-25 08:43:13,560 INFO L130 BoogieDeclarations]: Found specification of procedure printf [2020-09-25 08:43:13,560 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2020-09-25 08:43:13,560 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2020-09-25 08:43:13,560 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2020-09-25 08:43:13,560 INFO L130 BoogieDeclarations]: Found specification of procedure free [2020-09-25 08:43:13,561 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_set [2020-09-25 08:43:13,561 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2020-09-25 08:43:13,561 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2020-09-25 08:43:13,561 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-09-25 08:43:13,561 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2020-09-25 08:43:13,562 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_free [2020-09-25 08:43:13,562 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-09-25 08:43:13,563 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_reset [2020-09-25 08:43:13,563 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~X~int~TO~int [2020-09-25 08:43:13,563 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2020-09-25 08:43:13,563 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__error_stack_mgt [2020-09-25 08:43:13,564 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_arg [2020-09-25 08:43:13,564 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-09-25 08:43:13,564 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_argtype [2020-09-25 08:43:13,564 INFO L130 BoogieDeclarations]: Found specification of procedure select_one [2020-09-25 08:43:13,564 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2020-09-25 08:43:13,564 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2020-09-25 08:43:13,564 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2020-09-25 08:43:13,565 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2020-09-25 08:43:13,565 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2020-09-25 08:43:13,565 INFO L130 BoogieDeclarations]: Found specification of procedure stopSystem [2020-09-25 08:43:13,565 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2020-09-25 08:43:13,565 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2020-09-25 08:43:13,566 INFO L130 BoogieDeclarations]: Found specification of procedure test [2020-09-25 08:43:13,566 INFO L130 BoogieDeclarations]: Found specification of procedure lowerWaterLevel [2020-09-25 08:43:13,566 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2020-09-25 08:43:13,566 INFO L130 BoogieDeclarations]: Found specification of procedure printEnvironment [2020-09-25 08:43:13,567 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump [2020-09-25 08:43:13,567 INFO L130 BoogieDeclarations]: Found specification of procedure deactivatePump [2020-09-25 08:43:13,568 INFO L130 BoogieDeclarations]: Found specification of procedure isPumpRunning [2020-09-25 08:43:13,569 INFO L130 BoogieDeclarations]: Found specification of procedure printPump [2020-09-25 08:43:13,569 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification4_spec__1 [2020-09-25 08:43:13,569 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment [2020-09-25 08:43:13,569 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneAlarm [2020-09-25 08:43:13,569 INFO L130 BoogieDeclarations]: Found specification of procedure getWaterLevel [2020-09-25 08:43:13,569 INFO L130 BoogieDeclarations]: Found specification of procedure Specification2 [2020-09-25 08:43:13,570 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2020-09-25 08:43:13,570 INFO L130 BoogieDeclarations]: Found specification of procedure runTest [2020-09-25 08:43:13,570 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-09-25 08:43:13,570 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-09-25 08:43:13,570 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-09-25 08:43:13,570 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-09-25 08:43:14,642 INFO L290 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-09-25 08:43:14,643 INFO L295 CfgBuilder]: Removed 5 assume(true) statements. [2020-09-25 08:43:14,649 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.09 08:43:14 BoogieIcfgContainer [2020-09-25 08:43:14,649 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-09-25 08:43:14,651 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-09-25 08:43:14,651 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-09-25 08:43:14,654 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-09-25 08:43:14,655 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 25.09 08:43:12" (1/3) ... [2020-09-25 08:43:14,655 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4578dc27 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 25.09 08:43:14, skipping insertion in model container [2020-09-25 08:43:14,656 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 08:43:13" (2/3) ... [2020-09-25 08:43:14,656 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4578dc27 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 25.09 08:43:14, skipping insertion in model container [2020-09-25 08:43:14,656 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.09 08:43:14" (3/3) ... [2020-09-25 08:43:14,658 INFO L109 eAbstractionObserver]: Analyzing ICFG minepump_spec4_product03.cil.c [2020-09-25 08:43:14,669 INFO L157 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:Craig_NestedInterpolation Determinization: PREDICATE_ABSTRACTION [2020-09-25 08:43:14,680 INFO L169 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-09-25 08:43:14,701 INFO L251 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-09-25 08:43:14,731 INFO L375 AbstractCegarLoop]: Interprodecural is true [2020-09-25 08:43:14,731 INFO L376 AbstractCegarLoop]: Hoare is true [2020-09-25 08:43:14,731 INFO L377 AbstractCegarLoop]: Compute interpolants for Craig_NestedInterpolation [2020-09-25 08:43:14,731 INFO L378 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-09-25 08:43:14,731 INFO L379 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-09-25 08:43:14,732 INFO L380 AbstractCegarLoop]: Difference is false [2020-09-25 08:43:14,732 INFO L381 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-09-25 08:43:14,732 INFO L385 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-09-25 08:43:14,759 INFO L276 IsEmpty]: Start isEmpty. Operand 250 states. [2020-09-25 08:43:14,776 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 143 [2020-09-25 08:43:14,776 INFO L414 BasicCegarLoop]: Found error trace [2020-09-25 08:43:14,777 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-09-25 08:43:14,778 INFO L427 AbstractCegarLoop]: === Iteration 1 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-25 08:43:14,785 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-25 08:43:14,786 INFO L82 PathProgramCache]: Analyzing trace with hash -601923373, now seen corresponding path program 1 times [2020-09-25 08:43:14,796 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-25 08:43:14,796 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1152803748] [2020-09-25 08:43:14,796 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-25 08:43:15,177 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 08:43:15,356 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 08:43:15,526 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 08:43:16,922 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 08:43:17,956 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 08:43:20,198 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 08:43:20,198 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 173 [2020-09-25 08:43:20,198 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 4 [2020-09-25 08:43:20,199 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5009 [2020-09-25 08:43:20,206 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 08:43:20,206 FATAL L256 erpolLogProxyWrapper]: Tolerance: 1.0 [2020-09-25 08:43:20,207 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 08:43:20,207 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 129 [2020-09-25 08:43:20,207 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 08:43:20,207 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 4 [2020-09-25 08:43:20,744 WARN L193 SmtUtils]: Spent 398.00 ms on a formula simplification that was a NOOP. DAG size: 184 [2020-09-25 08:43:20,747 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-25 08:43:20,782 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 08:43:20,811 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 08:43:20,935 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 08:43:20,936 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 85 [2020-09-25 08:43:20,937 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 08:43:20,937 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 151 [2020-09-25 08:43:20,937 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 08:43:20,938 FATAL L256 erpolLogProxyWrapper]: Tolerance: 1.0 [2020-09-25 08:43:20,947 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 08:43:20,948 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 08:43:20,948 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 08:43:20,948 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 10 [2020-09-25 08:43:21,034 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2020-09-25 08:43:21,035 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 08:43:21,037 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 08:43:21,040 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 08:43:21,040 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 08:43:21,041 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 08:43:21,041 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-09-25 08:43:21,041 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 08:43:21,041 FATAL L256 erpolLogProxyWrapper]: Tolerance: 1.0 [2020-09-25 08:43:21,041 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 08:43:21,042 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 08:43:21,042 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 08:43:21,042 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 08:43:21,046 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 86 [2020-09-25 08:43:21,049 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 08:43:21,050 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 08:43:21,053 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 08:43:21,053 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 08:43:21,053 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 08:43:21,054 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-25 08:43:21,054 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 08:43:21,054 FATAL L256 erpolLogProxyWrapper]: Tolerance: 1.0 [2020-09-25 08:43:21,054 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 08:43:21,054 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 08:43:21,055 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 08:43:21,055 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 08:43:21,057 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2020-09-25 08:43:21,058 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 08:43:21,060 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 08:43:21,065 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 08:43:21,065 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 08:43:21,065 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 08:43:21,066 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-09-25 08:43:21,066 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 08:43:21,067 FATAL L256 erpolLogProxyWrapper]: Tolerance: 1.0 [2020-09-25 08:43:21,067 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 08:43:21,067 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 08:43:21,067 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 08:43:21,067 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 08:43:21,070 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 99 [2020-09-25 08:43:21,070 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 08:43:21,072 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 08:43:21,073 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 08:43:21,073 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 08:43:21,074 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 08:43:21,074 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-25 08:43:21,074 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 08:43:21,074 FATAL L256 erpolLogProxyWrapper]: Tolerance: 1.0 [2020-09-25 08:43:21,074 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 08:43:21,075 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 08:43:21,075 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 08:43:21,075 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 08:43:21,076 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 120 [2020-09-25 08:43:21,077 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 08:43:21,078 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 08:43:21,080 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 08:43:21,080 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 08:43:21,081 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 08:43:21,081 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-25 08:43:21,081 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 08:43:21,081 FATAL L256 erpolLogProxyWrapper]: Tolerance: 1.0 [2020-09-25 08:43:21,081 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 08:43:21,082 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-09-25 08:43:21,082 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 08:43:21,082 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 08:43:21,084 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 130 [2020-09-25 08:43:21,087 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 08:43:21,089 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 08:43:21,090 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 08:43:21,091 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 08:43:21,091 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 08:43:21,091 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-25 08:43:21,091 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 08:43:21,092 FATAL L256 erpolLogProxyWrapper]: Tolerance: 1.0 [2020-09-25 08:43:21,092 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 08:43:21,092 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-09-25 08:43:21,092 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 08:43:21,092 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 08:43:21,146 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-09-25 08:43:21,147 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1152803748] [2020-09-25 08:43:21,149 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-25 08:43:21,150 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-09-25 08:43:21,150 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [732078612] [2020-09-25 08:43:21,157 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-09-25 08:43:21,157 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-25 08:43:21,174 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-09-25 08:43:21,175 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-09-25 08:43:21,178 INFO L87 Difference]: Start difference. First operand 250 states. Second operand 3 states. [2020-09-25 08:43:22,423 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-25 08:43:22,424 INFO L93 Difference]: Finished difference Result 363 states and 437 transitions. [2020-09-25 08:43:22,424 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-09-25 08:43:22,426 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 142 [2020-09-25 08:43:22,428 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-25 08:43:22,448 INFO L225 Difference]: With dead ends: 363 [2020-09-25 08:43:22,448 INFO L226 Difference]: Without dead ends: 238 [2020-09-25 08:43:22,455 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 16 GetRequests, 15 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-09-25 08:43:22,480 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 238 states. [2020-09-25 08:43:22,602 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 238 to 199. [2020-09-25 08:43:22,604 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 199 states. [2020-09-25 08:43:22,611 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 199 states to 199 states and 213 transitions. [2020-09-25 08:43:22,614 INFO L78 Accepts]: Start accepts. Automaton has 199 states and 213 transitions. Word has length 142 [2020-09-25 08:43:22,616 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-25 08:43:22,617 INFO L479 AbstractCegarLoop]: Abstraction has 199 states and 213 transitions. [2020-09-25 08:43:22,617 INFO L480 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-09-25 08:43:22,617 INFO L276 IsEmpty]: Start isEmpty. Operand 199 states and 213 transitions. [2020-09-25 08:43:22,628 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 144 [2020-09-25 08:43:22,630 INFO L414 BasicCegarLoop]: Found error trace [2020-09-25 08:43:22,633 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-09-25 08:43:22,633 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-09-25 08:43:22,633 INFO L427 AbstractCegarLoop]: === Iteration 2 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-25 08:43:22,635 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-25 08:43:22,635 INFO L82 PathProgramCache]: Analyzing trace with hash -1562275649, now seen corresponding path program 1 times [2020-09-25 08:43:22,635 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-25 08:43:22,636 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1475300281] [2020-09-25 08:43:22,636 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-25 08:43:22,696 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 08:43:22,752 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 08:43:22,841 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 08:43:24,365 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 08:43:25,063 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 08:43:26,231 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 08:43:27,707 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 08:43:27,708 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 174 [2020-09-25 08:43:27,708 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 5 [2020-09-25 08:43:27,710 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5006 [2020-09-25 08:43:27,711 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 08:43:27,711 FATAL L256 erpolLogProxyWrapper]: Tolerance: 1.0 [2020-09-25 08:43:27,711 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 08:43:27,711 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 128 [2020-09-25 08:43:27,712 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 3 [2020-09-25 08:43:27,712 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 08:43:28,001 WARN L193 SmtUtils]: Spent 223.00 ms on a formula simplification that was a NOOP. DAG size: 184 [2020-09-25 08:43:28,002 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-25 08:43:28,014 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 08:43:28,025 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 08:43:28,118 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 08:43:28,118 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 85 [2020-09-25 08:43:28,118 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 08:43:28,118 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 100 [2020-09-25 08:43:28,119 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 08:43:28,119 FATAL L256 erpolLogProxyWrapper]: Tolerance: 1.0 [2020-09-25 08:43:28,119 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 08:43:28,119 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 08:43:28,119 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 08:43:28,120 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 08:43:28,154 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2020-09-25 08:43:28,155 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 08:43:28,156 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 08:43:28,158 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 08:43:28,158 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 08:43:28,158 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 08:43:28,158 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-25 08:43:28,158 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 08:43:28,159 FATAL L256 erpolLogProxyWrapper]: Tolerance: 1.0 [2020-09-25 08:43:28,159 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 08:43:28,159 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 08:43:28,159 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 08:43:28,160 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 08:43:28,162 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 86 [2020-09-25 08:43:28,162 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 08:43:28,163 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 08:43:28,165 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 08:43:28,165 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 08:43:28,165 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 08:43:28,165 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-25 08:43:28,166 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 08:43:28,166 FATAL L256 erpolLogProxyWrapper]: Tolerance: 1.0 [2020-09-25 08:43:28,166 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 08:43:28,166 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 08:43:28,166 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 08:43:28,167 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 08:43:28,168 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2020-09-25 08:43:28,169 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 08:43:28,171 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 08:43:28,175 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 08:43:28,175 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 08:43:28,175 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 08:43:28,176 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-09-25 08:43:28,176 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 08:43:28,176 FATAL L256 erpolLogProxyWrapper]: Tolerance: 1.0 [2020-09-25 08:43:28,176 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 08:43:28,177 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 08:43:28,177 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 08:43:28,177 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 08:43:28,178 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 99 [2020-09-25 08:43:28,179 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 08:43:28,180 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 08:43:28,181 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 08:43:28,181 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 08:43:28,181 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 08:43:28,182 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-25 08:43:28,182 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 08:43:28,182 FATAL L256 erpolLogProxyWrapper]: Tolerance: 1.0 [2020-09-25 08:43:28,182 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 08:43:28,183 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 08:43:28,183 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 08:43:28,183 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 08:43:28,184 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 121 [2020-09-25 08:43:28,184 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 08:43:28,186 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 08:43:28,188 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 08:43:28,188 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 08:43:28,188 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 08:43:28,188 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-25 08:43:28,189 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 08:43:28,189 FATAL L256 erpolLogProxyWrapper]: Tolerance: 1.0 [2020-09-25 08:43:28,189 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 08:43:28,190 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-09-25 08:43:28,190 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 08:43:28,190 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 08:43:28,191 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 131 [2020-09-25 08:43:28,192 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 08:43:28,193 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 08:43:28,195 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 08:43:28,195 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 08:43:28,195 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 08:43:28,195 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-25 08:43:28,196 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 08:43:28,196 FATAL L256 erpolLogProxyWrapper]: Tolerance: 1.0 [2020-09-25 08:43:28,196 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 08:43:28,196 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-09-25 08:43:28,196 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 08:43:28,197 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 08:43:28,221 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-09-25 08:43:28,222 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1475300281] [2020-09-25 08:43:28,222 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-25 08:43:28,223 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2020-09-25 08:43:28,223 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1206937190] [2020-09-25 08:43:28,226 INFO L459 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-09-25 08:43:28,226 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-25 08:43:28,227 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-09-25 08:43:28,227 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2020-09-25 08:43:28,227 INFO L87 Difference]: Start difference. First operand 199 states and 213 transitions. Second operand 4 states. [2020-09-25 08:43:28,828 WARN L193 SmtUtils]: Spent 227.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-09-25 08:43:29,408 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-25 08:43:29,409 INFO L93 Difference]: Finished difference Result 271 states and 302 transitions. [2020-09-25 08:43:29,410 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-09-25 08:43:29,410 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 143 [2020-09-25 08:43:29,411 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-25 08:43:29,416 INFO L225 Difference]: With dead ends: 271 [2020-09-25 08:43:29,416 INFO L226 Difference]: Without dead ends: 221 [2020-09-25 08:43:29,420 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 18 GetRequests, 15 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2020-09-25 08:43:29,421 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 221 states. [2020-09-25 08:43:29,474 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 221 to 189. [2020-09-25 08:43:29,474 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 189 states. [2020-09-25 08:43:29,475 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 189 states to 189 states and 200 transitions. [2020-09-25 08:43:29,476 INFO L78 Accepts]: Start accepts. Automaton has 189 states and 200 transitions. Word has length 143 [2020-09-25 08:43:29,476 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-25 08:43:29,476 INFO L479 AbstractCegarLoop]: Abstraction has 189 states and 200 transitions. [2020-09-25 08:43:29,476 INFO L480 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-09-25 08:43:29,477 INFO L276 IsEmpty]: Start isEmpty. Operand 189 states and 200 transitions. [2020-09-25 08:43:29,479 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 153 [2020-09-25 08:43:29,479 INFO L414 BasicCegarLoop]: Found error trace [2020-09-25 08:43:29,479 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 08:43:29,479 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-09-25 08:43:29,479 INFO L427 AbstractCegarLoop]: === Iteration 3 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-25 08:43:29,479 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-25 08:43:29,480 INFO L82 PathProgramCache]: Analyzing trace with hash 1578650388, now seen corresponding path program 1 times [2020-09-25 08:43:29,480 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-25 08:43:29,480 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [2006963879] [2020-09-25 08:43:29,480 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-25 08:43:29,524 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 08:43:29,572 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 08:43:30,112 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 08:43:31,044 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 08:43:34,554 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 08:43:34,554 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 181 [2020-09-25 08:43:34,554 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-09-25 08:43:34,555 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5026 [2020-09-25 08:43:34,555 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 08:43:34,555 FATAL L256 erpolLogProxyWrapper]: Tolerance: 1.0 [2020-09-25 08:43:34,555 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 8 [2020-09-25 08:43:34,556 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 79 [2020-09-25 08:43:34,556 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 69 [2020-09-25 08:43:34,556 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 08:43:34,944 WARN L193 SmtUtils]: Spent 275.00 ms on a formula simplification that was a NOOP. DAG size: 184 [2020-09-25 08:43:34,945 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-25 08:43:34,987 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 08:43:35,040 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 08:43:35,364 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 08:43:35,365 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 85 [2020-09-25 08:43:35,365 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 08:43:35,365 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 376 [2020-09-25 08:43:35,366 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 08:43:35,366 FATAL L256 erpolLogProxyWrapper]: Tolerance: 1.0 [2020-09-25 08:43:35,366 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 08:43:35,367 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 08:43:35,367 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 75 [2020-09-25 08:43:35,367 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 08:43:35,443 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2020-09-25 08:43:35,444 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 08:43:35,445 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 08:43:35,451 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 08:43:35,452 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 08:43:35,452 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 08:43:35,452 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-09-25 08:43:35,453 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 08:43:35,453 FATAL L256 erpolLogProxyWrapper]: Tolerance: 1.0 [2020-09-25 08:43:35,453 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 08:43:35,454 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 08:43:35,454 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-25 08:43:35,455 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 08:43:35,456 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 86 [2020-09-25 08:43:35,457 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 08:43:35,458 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 08:43:35,464 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 08:43:35,465 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 08:43:35,467 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 08:43:35,467 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-09-25 08:43:35,467 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 08:43:35,468 FATAL L256 erpolLogProxyWrapper]: Tolerance: 1.0 [2020-09-25 08:43:35,468 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 08:43:35,468 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 08:43:35,469 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-25 08:43:35,469 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 08:43:35,471 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2020-09-25 08:43:35,472 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 08:43:35,474 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 08:43:35,482 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 08:43:35,483 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 08:43:35,483 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 08:43:35,483 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 9 [2020-09-25 08:43:35,484 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 08:43:35,484 FATAL L256 erpolLogProxyWrapper]: Tolerance: 1.0 [2020-09-25 08:43:35,484 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 08:43:35,485 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 08:43:35,485 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-09-25 08:43:35,486 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 08:43:35,501 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 99 [2020-09-25 08:43:35,502 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 08:43:35,506 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 08:43:35,512 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 08:43:35,512 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 08:43:35,516 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 08:43:35,516 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 9 [2020-09-25 08:43:35,517 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 08:43:35,517 FATAL L256 erpolLogProxyWrapper]: Tolerance: 1.0 [2020-09-25 08:43:35,517 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 08:43:35,518 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 08:43:35,518 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-25 08:43:35,519 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 08:43:35,520 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 130 [2020-09-25 08:43:35,521 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 08:43:35,523 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 08:43:35,524 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 08:43:35,525 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 08:43:35,525 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 08:43:35,527 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-25 08:43:35,527 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 08:43:35,528 FATAL L256 erpolLogProxyWrapper]: Tolerance: 1.0 [2020-09-25 08:43:35,528 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 08:43:35,528 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-09-25 08:43:35,529 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 08:43:35,529 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 08:43:35,531 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 140 [2020-09-25 08:43:35,532 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 08:43:35,533 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 08:43:35,535 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 08:43:35,535 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 08:43:35,535 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 08:43:35,535 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-25 08:43:35,535 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 08:43:35,536 FATAL L256 erpolLogProxyWrapper]: Tolerance: 1.0 [2020-09-25 08:43:35,536 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 08:43:35,536 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-09-25 08:43:35,536 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 08:43:35,537 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 08:43:35,595 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-09-25 08:43:35,596 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [2006963879] [2020-09-25 08:43:35,597 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-25 08:43:35,597 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2020-09-25 08:43:35,597 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [821885222] [2020-09-25 08:43:35,599 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-09-25 08:43:35,599 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-25 08:43:35,599 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-09-25 08:43:35,601 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-09-25 08:43:35,602 INFO L87 Difference]: Start difference. First operand 189 states and 200 transitions. Second operand 5 states. [2020-09-25 08:43:36,258 WARN L193 SmtUtils]: Spent 305.00 ms on a formula simplification that was a NOOP. DAG size: 186 [2020-09-25 08:43:36,879 WARN L193 SmtUtils]: Spent 195.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-09-25 08:43:37,835 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-25 08:43:37,836 INFO L93 Difference]: Finished difference Result 470 states and 539 transitions. [2020-09-25 08:43:37,838 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2020-09-25 08:43:37,839 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 152 [2020-09-25 08:43:37,840 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-25 08:43:37,843 INFO L225 Difference]: With dead ends: 470 [2020-09-25 08:43:37,843 INFO L226 Difference]: Without dead ends: 391 [2020-09-25 08:43:37,845 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 24 GetRequests, 19 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.8s TimeCoverageRelationStatistics Valid=18, Invalid=24, Unknown=0, NotChecked=0, Total=42 [2020-09-25 08:43:37,846 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 391 states. [2020-09-25 08:43:37,931 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 391 to 320. [2020-09-25 08:43:37,931 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 320 states. [2020-09-25 08:43:37,933 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 320 states to 320 states and 352 transitions. [2020-09-25 08:43:37,933 INFO L78 Accepts]: Start accepts. Automaton has 320 states and 352 transitions. Word has length 152 [2020-09-25 08:43:37,935 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-25 08:43:37,935 INFO L479 AbstractCegarLoop]: Abstraction has 320 states and 352 transitions. [2020-09-25 08:43:37,935 INFO L480 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-09-25 08:43:37,935 INFO L276 IsEmpty]: Start isEmpty. Operand 320 states and 352 transitions. [2020-09-25 08:43:37,937 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 156 [2020-09-25 08:43:37,937 INFO L414 BasicCegarLoop]: Found error trace [2020-09-25 08:43:37,937 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 08:43:37,937 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-09-25 08:43:37,938 INFO L427 AbstractCegarLoop]: === Iteration 4 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-25 08:43:37,938 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-25 08:43:37,938 INFO L82 PathProgramCache]: Analyzing trace with hash 1138116107, now seen corresponding path program 1 times [2020-09-25 08:43:37,938 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-25 08:43:37,939 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [431145809] [2020-09-25 08:43:37,939 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-25 08:43:37,987 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 08:43:38,037 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 08:43:38,867 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 08:43:41,165 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 08:43:42,989 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 08:43:42,989 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 186 [2020-09-25 08:43:42,990 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-09-25 08:43:42,990 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4999 [2020-09-25 08:43:42,990 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 08:43:42,990 FATAL L256 erpolLogProxyWrapper]: Tolerance: 1.0 [2020-09-25 08:43:42,990 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 12 [2020-09-25 08:43:42,990 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 78 [2020-09-25 08:43:42,991 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 104 [2020-09-25 08:43:42,991 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 08:43:43,321 WARN L193 SmtUtils]: Spent 238.00 ms on a formula simplification that was a NOOP. DAG size: 184 [2020-09-25 08:43:43,322 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-25 08:43:43,355 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 08:43:43,393 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 08:43:43,587 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 08:43:43,588 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 85 [2020-09-25 08:43:43,588 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 08:43:43,588 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 231 [2020-09-25 08:43:43,588 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 08:43:43,589 FATAL L256 erpolLogProxyWrapper]: Tolerance: 1.0 [2020-09-25 08:43:43,589 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 08:43:43,589 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 08:43:43,589 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 74 [2020-09-25 08:43:43,590 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 08:43:43,629 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2020-09-25 08:43:43,630 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 08:43:43,632 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 08:43:43,634 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 08:43:43,634 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 08:43:43,635 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 08:43:43,635 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-25 08:43:43,635 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 08:43:43,635 FATAL L256 erpolLogProxyWrapper]: Tolerance: 1.0 [2020-09-25 08:43:43,635 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 08:43:43,636 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 08:43:43,636 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-25 08:43:43,636 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 08:43:43,637 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 86 [2020-09-25 08:43:43,638 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 08:43:43,639 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 08:43:43,641 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 08:43:43,642 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 08:43:43,642 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 08:43:43,642 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-25 08:43:43,642 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 08:43:43,642 FATAL L256 erpolLogProxyWrapper]: Tolerance: 1.0 [2020-09-25 08:43:43,643 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 08:43:43,643 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 08:43:43,643 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-25 08:43:43,643 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 08:43:43,644 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2020-09-25 08:43:43,645 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 08:43:43,647 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 08:43:43,654 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 08:43:43,654 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 08:43:43,654 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 08:43:43,654 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-09-25 08:43:43,655 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 08:43:43,655 FATAL L256 erpolLogProxyWrapper]: Tolerance: 1.0 [2020-09-25 08:43:43,655 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 08:43:43,655 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 08:43:43,655 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-09-25 08:43:43,656 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 08:43:43,658 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 99 [2020-09-25 08:43:43,659 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 08:43:43,660 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 08:43:43,663 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 08:43:43,663 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 08:43:43,663 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 08:43:43,663 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-25 08:43:43,664 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 08:43:43,664 FATAL L256 erpolLogProxyWrapper]: Tolerance: 1.0 [2020-09-25 08:43:43,664 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 08:43:43,664 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 08:43:43,664 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-25 08:43:43,665 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 08:43:43,666 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 127 [2020-09-25 08:43:43,667 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 08:43:43,668 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 08:43:43,671 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 08:43:43,671 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 08:43:43,671 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 08:43:43,671 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-25 08:43:43,672 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 08:43:43,672 FATAL L256 erpolLogProxyWrapper]: Tolerance: 1.0 [2020-09-25 08:43:43,672 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 08:43:43,672 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 08:43:43,673 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-25 08:43:43,673 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 08:43:43,674 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 133 [2020-09-25 08:43:43,675 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 08:43:43,676 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 08:43:43,679 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 08:43:43,679 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 08:43:43,679 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 08:43:43,680 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-25 08:43:43,680 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 08:43:43,680 FATAL L256 erpolLogProxyWrapper]: Tolerance: 1.0 [2020-09-25 08:43:43,680 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 08:43:43,681 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 08:43:43,681 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-09-25 08:43:43,681 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 08:43:43,683 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 143 [2020-09-25 08:43:43,684 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 08:43:43,686 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 08:43:43,692 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 08:43:43,693 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 08:43:43,693 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 08:43:43,693 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 8 [2020-09-25 08:43:43,693 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 08:43:43,693 FATAL L256 erpolLogProxyWrapper]: Tolerance: 1.0 [2020-09-25 08:43:43,694 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-09-25 08:43:43,694 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 08:43:43,694 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-09-25 08:43:43,694 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 08:43:43,778 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-09-25 08:43:43,779 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [431145809] [2020-09-25 08:43:43,779 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-25 08:43:43,779 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2020-09-25 08:43:43,779 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1295684979] [2020-09-25 08:43:43,780 INFO L459 AbstractCegarLoop]: Interpolant automaton has 8 states [2020-09-25 08:43:43,780 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-25 08:43:43,780 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2020-09-25 08:43:43,781 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=43, Unknown=0, NotChecked=0, Total=56 [2020-09-25 08:43:43,781 INFO L87 Difference]: Start difference. First operand 320 states and 352 transitions. Second operand 8 states. [2020-09-25 08:43:44,260 WARN L193 SmtUtils]: Spent 248.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-09-25 08:43:45,567 WARN L193 SmtUtils]: Spent 540.00 ms on a formula simplification. DAG size of input: 192 DAG size of output: 189 [2020-09-25 08:43:46,136 WARN L193 SmtUtils]: Spent 526.00 ms on a formula simplification. DAG size of input: 195 DAG size of output: 191 [2020-09-25 08:43:46,461 WARN L193 SmtUtils]: Spent 281.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-25 08:43:46,776 WARN L193 SmtUtils]: Spent 281.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-25 08:43:47,071 WARN L193 SmtUtils]: Spent 273.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-25 08:43:47,191 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-25 08:43:47,192 INFO L93 Difference]: Finished difference Result 542 states and 620 transitions. [2020-09-25 08:43:47,193 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2020-09-25 08:43:47,193 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 155 [2020-09-25 08:43:47,194 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-25 08:43:47,194 INFO L225 Difference]: With dead ends: 542 [2020-09-25 08:43:47,195 INFO L226 Difference]: Without dead ends: 0 [2020-09-25 08:43:47,198 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 33 GetRequests, 18 SyntacticMatches, 3 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 8 ImplicationChecksByTransitivity, 2.5s TimeCoverageRelationStatistics Valid=52, Invalid=130, Unknown=0, NotChecked=0, Total=182 [2020-09-25 08:43:47,198 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2020-09-25 08:43:47,198 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2020-09-25 08:43:47,199 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2020-09-25 08:43:47,199 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2020-09-25 08:43:47,199 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 155 [2020-09-25 08:43:47,199 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-25 08:43:47,199 INFO L479 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-09-25 08:43:47,199 INFO L480 AbstractCegarLoop]: Interpolant automaton has 8 states. [2020-09-25 08:43:47,199 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2020-09-25 08:43:47,200 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-09-25 08:43:47,200 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2020-09-25 08:43:47,202 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2020-09-25 08:43:47,388 WARN L193 SmtUtils]: Spent 175.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-25 08:43:47,735 WARN L193 SmtUtils]: Spent 346.00 ms on a formula simplification. DAG size of input: 191 DAG size of output: 189 [2020-09-25 08:43:48,065 WARN L193 SmtUtils]: Spent 324.00 ms on a formula simplification. DAG size of input: 191 DAG size of output: 189 [2020-09-25 08:43:48,390 WARN L193 SmtUtils]: Spent 320.00 ms on a formula simplification. DAG size of input: 191 DAG size of output: 189 [2020-09-25 08:43:48,637 WARN L193 SmtUtils]: Spent 245.00 ms on a formula simplification. DAG size of input: 193 DAG size of output: 187 [2020-09-25 08:43:48,801 WARN L193 SmtUtils]: Spent 153.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-25 08:43:48,956 WARN L193 SmtUtils]: Spent 151.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-25 08:43:49,115 WARN L193 SmtUtils]: Spent 157.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-25 08:43:49,222 WARN L193 SmtUtils]: Spent 105.00 ms on a formula simplification. DAG size of input: 202 DAG size of output: 7 [2020-09-25 08:43:49,375 WARN L193 SmtUtils]: Spent 151.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-25 08:43:49,534 WARN L193 SmtUtils]: Spent 154.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-09-25 08:43:49,693 WARN L193 SmtUtils]: Spent 158.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-25 08:43:49,847 WARN L193 SmtUtils]: Spent 151.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-25 08:43:50,000 WARN L193 SmtUtils]: Spent 151.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-25 08:43:50,145 WARN L193 SmtUtils]: Spent 139.00 ms on a formula simplification that was a NOOP. DAG size: 184 [2020-09-25 08:43:50,298 WARN L193 SmtUtils]: Spent 151.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-25 08:43:50,449 WARN L193 SmtUtils]: Spent 147.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-09-25 08:43:50,602 WARN L193 SmtUtils]: Spent 152.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-25 08:43:50,758 WARN L193 SmtUtils]: Spent 153.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-25 08:43:50,862 WARN L193 SmtUtils]: Spent 102.00 ms on a formula simplification. DAG size of input: 202 DAG size of output: 7 [2020-09-25 08:43:51,014 WARN L193 SmtUtils]: Spent 151.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-25 08:43:51,171 WARN L193 SmtUtils]: Spent 154.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-25 08:43:51,324 WARN L193 SmtUtils]: Spent 151.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-25 08:43:51,472 WARN L193 SmtUtils]: Spent 146.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-09-25 08:43:51,625 WARN L193 SmtUtils]: Spent 151.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-25 08:43:51,777 WARN L193 SmtUtils]: Spent 151.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-25 08:43:51,925 WARN L193 SmtUtils]: Spent 146.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-09-25 08:43:52,178 WARN L193 SmtUtils]: Spent 151.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-25 08:43:52,349 WARN L193 SmtUtils]: Spent 161.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-25 08:43:52,501 WARN L193 SmtUtils]: Spent 151.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-25 08:43:52,649 WARN L193 SmtUtils]: Spent 147.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-09-25 08:43:52,803 WARN L193 SmtUtils]: Spent 152.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-25 08:43:52,956 WARN L193 SmtUtils]: Spent 152.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-25 08:43:53,109 WARN L193 SmtUtils]: Spent 151.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-25 08:43:53,259 WARN L193 SmtUtils]: Spent 148.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-09-25 08:43:53,513 WARN L193 SmtUtils]: Spent 153.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-25 08:43:53,666 WARN L193 SmtUtils]: Spent 152.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-25 08:43:53,820 WARN L193 SmtUtils]: Spent 151.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-25 08:43:53,972 WARN L193 SmtUtils]: Spent 151.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-25 08:43:54,126 WARN L193 SmtUtils]: Spent 151.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-25 08:43:54,452 WARN L193 SmtUtils]: Spent 317.00 ms on a formula simplification. DAG size of input: 191 DAG size of output: 189 [2020-09-25 08:43:54,768 WARN L193 SmtUtils]: Spent 313.00 ms on a formula simplification. DAG size of input: 191 DAG size of output: 189 [2020-09-25 08:43:55,087 WARN L193 SmtUtils]: Spent 316.00 ms on a formula simplification. DAG size of input: 191 DAG size of output: 189 [2020-09-25 08:43:55,402 WARN L193 SmtUtils]: Spent 313.00 ms on a formula simplification. DAG size of input: 191 DAG size of output: 189 [2020-09-25 08:43:55,570 WARN L193 SmtUtils]: Spent 156.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-09-25 08:43:55,723 WARN L193 SmtUtils]: Spent 151.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-25 08:43:55,875 WARN L193 SmtUtils]: Spent 151.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-25 08:43:56,028 WARN L193 SmtUtils]: Spent 151.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-25 08:43:56,182 WARN L193 SmtUtils]: Spent 152.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-25 08:43:56,488 WARN L193 SmtUtils]: Spent 303.00 ms on a formula simplification. DAG size of input: 195 DAG size of output: 188 [2020-09-25 08:43:56,790 WARN L193 SmtUtils]: Spent 301.00 ms on a formula simplification. DAG size of input: 195 DAG size of output: 188 [2020-09-25 08:43:56,939 WARN L193 SmtUtils]: Spent 146.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-09-25 08:43:57,091 WARN L193 SmtUtils]: Spent 151.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-25 08:43:57,244 WARN L193 SmtUtils]: Spent 151.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-25 08:43:57,494 WARN L193 SmtUtils]: Spent 247.00 ms on a formula simplification. DAG size of input: 201 DAG size of output: 7 [2020-09-25 08:43:57,719 WARN L193 SmtUtils]: Spent 214.00 ms on a formula simplification. DAG size of input: 139 DAG size of output: 22 [2020-09-25 08:43:58,087 WARN L193 SmtUtils]: Spent 362.00 ms on a formula simplification. DAG size of input: 141 DAG size of output: 10 [2020-09-25 08:43:58,299 WARN L193 SmtUtils]: Spent 209.00 ms on a formula simplification. DAG size of input: 139 DAG size of output: 22 [2020-09-25 08:43:58,509 WARN L193 SmtUtils]: Spent 208.00 ms on a formula simplification. DAG size of input: 139 DAG size of output: 22 [2020-09-25 08:43:58,753 WARN L193 SmtUtils]: Spent 210.00 ms on a formula simplification. DAG size of input: 139 DAG size of output: 22 [2020-09-25 08:43:58,955 WARN L193 SmtUtils]: Spent 196.00 ms on a formula simplification. DAG size of input: 140 DAG size of output: 1 [2020-09-25 08:43:59,187 WARN L193 SmtUtils]: Spent 230.00 ms on a formula simplification. DAG size of input: 139 DAG size of output: 22 [2020-09-25 08:43:59,455 WARN L193 SmtUtils]: Spent 249.00 ms on a formula simplification that was a NOOP. DAG size: 184 [2020-09-25 08:43:59,678 WARN L193 SmtUtils]: Spent 221.00 ms on a formula simplification. DAG size of input: 139 DAG size of output: 22 [2020-09-25 08:43:59,873 WARN L193 SmtUtils]: Spent 191.00 ms on a formula simplification. DAG size of input: 140 DAG size of output: 1 [2020-09-25 08:44:00,273 WARN L193 SmtUtils]: Spent 384.00 ms on a formula simplification. DAG size of input: 141 DAG size of output: 10 [2020-09-25 08:44:00,424 WARN L193 SmtUtils]: Spent 148.00 ms on a formula simplification. DAG size of input: 140 DAG size of output: 1 [2020-09-25 08:44:00,606 WARN L193 SmtUtils]: Spent 159.00 ms on a formula simplification. DAG size of input: 140 DAG size of output: 1 [2020-09-25 08:44:00,995 WARN L193 SmtUtils]: Spent 386.00 ms on a formula simplification. DAG size of input: 141 DAG size of output: 10 [2020-09-25 08:44:01,214 WARN L193 SmtUtils]: Spent 202.00 ms on a formula simplification. DAG size of input: 138 DAG size of output: 1 [2020-09-25 08:44:01,451 WARN L193 SmtUtils]: Spent 210.00 ms on a formula simplification. DAG size of input: 139 DAG size of output: 22 [2020-09-25 08:44:01,903 WARN L193 SmtUtils]: Spent 428.00 ms on a formula simplification. DAG size of input: 140 DAG size of output: 14 [2020-09-25 08:44:02,293 WARN L193 SmtUtils]: Spent 386.00 ms on a formula simplification. DAG size of input: 141 DAG size of output: 10