/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_spec1_product12.cil.c -------------------------------------------------------------------------------- This is Ultimate 0.1.25-c90d42b [2020-09-25 08:33:37,341 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-09-25 08:33:37,346 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-09-25 08:33:37,392 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-09-25 08:33:37,392 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-09-25 08:33:37,400 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-09-25 08:33:37,402 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-09-25 08:33:37,406 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-09-25 08:33:37,409 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-09-25 08:33:37,412 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-09-25 08:33:37,413 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-09-25 08:33:37,416 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-09-25 08:33:37,416 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-09-25 08:33:37,417 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-09-25 08:33:37,420 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-09-25 08:33:37,422 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-09-25 08:33:37,423 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-09-25 08:33:37,425 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-09-25 08:33:37,427 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-09-25 08:33:37,437 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-09-25 08:33:37,440 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-09-25 08:33:37,444 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-09-25 08:33:37,445 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-09-25 08:33:37,446 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-09-25 08:33:37,457 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-09-25 08:33:37,457 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-09-25 08:33:37,457 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-09-25 08:33:37,460 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-09-25 08:33:37,461 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-09-25 08:33:37,462 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-09-25 08:33:37,462 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-09-25 08:33:37,465 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-09-25 08:33:37,467 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-09-25 08:33:37,468 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-09-25 08:33:37,469 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-09-25 08:33:37,469 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-09-25 08:33:37,470 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-09-25 08:33:37,471 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-09-25 08:33:37,471 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-09-25 08:33:37,472 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-09-25 08:33:37,473 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-09-25 08:33:37,474 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 08:33:37,521 INFO L113 SettingsManager]: Loading preferences was successful [2020-09-25 08:33:37,521 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-09-25 08:33:37,524 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-09-25 08:33:37,524 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-09-25 08:33:37,524 INFO L138 SettingsManager]: * Use SBE=true [2020-09-25 08:33:37,524 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-09-25 08:33:37,525 INFO L138 SettingsManager]: * sizeof long=4 [2020-09-25 08:33:37,525 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-09-25 08:33:37,525 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-09-25 08:33:37,525 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-09-25 08:33:37,526 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-09-25 08:33:37,527 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-09-25 08:33:37,527 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-09-25 08:33:37,527 INFO L138 SettingsManager]: * sizeof long double=12 [2020-09-25 08:33:37,527 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-09-25 08:33:37,528 INFO L138 SettingsManager]: * Use constant arrays=true [2020-09-25 08:33:37,528 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-09-25 08:33:37,528 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-09-25 08:33:37,528 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-09-25 08:33:37,528 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-09-25 08:33:37,529 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-09-25 08:33:37,529 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-09-25 08:33:37,529 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-09-25 08:33:37,529 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-09-25 08:33:37,529 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-09-25 08:33:37,530 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-09-25 08:33:37,530 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-09-25 08:33:37,530 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-09-25 08:33:37,530 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-09-25 08:33:37,530 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 08:33:38,635 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-09-25 08:33:38,651 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-09-25 08:33:38,655 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-09-25 08:33:38,657 INFO L271 PluginConnector]: Initializing CDTParser... [2020-09-25 08:33:38,658 INFO L275 PluginConnector]: CDTParser initialized [2020-09-25 08:33:38,659 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/product-lines/minepump_spec1_product12.cil.c [2020-09-25 08:33:38,760 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/7e7684a9b/ce794d0927604e28a632c7817597d10f/FLAG2a9cec979 [2020-09-25 08:33:39,429 INFO L306 CDTParser]: Found 1 translation units. [2020-09-25 08:33:39,430 INFO L160 CDTParser]: Scanning /storage/repos/ultimate-2/trunk/examples/svcomp/product-lines/minepump_spec1_product12.cil.c [2020-09-25 08:33:39,442 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/7e7684a9b/ce794d0927604e28a632c7817597d10f/FLAG2a9cec979 [2020-09-25 08:33:39,656 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/7e7684a9b/ce794d0927604e28a632c7817597d10f [2020-09-25 08:33:39,669 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-09-25 08:33:39,676 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-09-25 08:33:39,677 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-09-25 08:33:39,677 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-09-25 08:33:39,682 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-09-25 08:33:39,684 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.09 08:33:39" (1/1) ... [2020-09-25 08:33:39,688 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@22589b7c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 08:33:39, skipping insertion in model container [2020-09-25 08:33:39,689 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.09 08:33:39" (1/1) ... [2020-09-25 08:33:39,698 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-09-25 08:33:39,750 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-09-25 08:33:40,117 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-09-25 08:33:40,242 INFO L203 MainTranslator]: Completed pre-run [2020-09-25 08:33:40,374 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-09-25 08:33:40,408 INFO L208 MainTranslator]: Completed translation [2020-09-25 08:33:40,408 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 08:33:40 WrapperNode [2020-09-25 08:33:40,409 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-09-25 08:33:40,410 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-09-25 08:33:40,410 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-09-25 08:33:40,410 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-09-25 08:33:40,424 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 08:33:40" (1/1) ... [2020-09-25 08:33:40,425 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 08:33:40" (1/1) ... [2020-09-25 08:33:40,446 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 08:33:40" (1/1) ... [2020-09-25 08:33:40,447 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 08:33:40" (1/1) ... [2020-09-25 08:33:40,481 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 08:33:40" (1/1) ... [2020-09-25 08:33:40,492 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 08:33:40" (1/1) ... [2020-09-25 08:33:40,498 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 08:33:40" (1/1) ... [2020-09-25 08:33:40,506 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-09-25 08:33:40,507 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-09-25 08:33:40,507 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-09-25 08:33:40,507 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-09-25 08:33:40,508 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 08:33:40" (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 08:33:40,591 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-09-25 08:33:40,591 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-09-25 08:33:40,591 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~X~int~TO~int [2020-09-25 08:33:40,591 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2020-09-25 08:33:40,591 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2020-09-25 08:33:40,592 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment [2020-09-25 08:33:40,592 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump__wrappee__base [2020-09-25 08:33:40,592 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump [2020-09-25 08:33:40,592 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivatePump [2020-09-25 08:33:40,593 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneAlarm [2020-09-25 08:33:40,593 INFO L138 BoogieDeclarations]: Found implementation of procedure isPumpRunning [2020-09-25 08:33:40,593 INFO L138 BoogieDeclarations]: Found implementation of procedure printPump [2020-09-25 08:33:40,593 INFO L138 BoogieDeclarations]: Found implementation of procedure stopSystem [2020-09-25 08:33:40,593 INFO L138 BoogieDeclarations]: Found implementation of procedure startSystem [2020-09-25 08:33:40,593 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2020-09-25 08:33:40,593 INFO L138 BoogieDeclarations]: Found implementation of procedure lowerWaterLevel [2020-09-25 08:33:40,594 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2020-09-25 08:33:40,594 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2020-09-25 08:33:40,594 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2020-09-25 08:33:40,594 INFO L138 BoogieDeclarations]: Found implementation of procedure printEnvironment [2020-09-25 08:33:40,594 INFO L138 BoogieDeclarations]: Found implementation of procedure getWaterLevel [2020-09-25 08:33:40,594 INFO L138 BoogieDeclarations]: Found implementation of procedure select_one [2020-09-25 08:33:40,595 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2020-09-25 08:33:40,595 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2020-09-25 08:33:40,595 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2020-09-25 08:33:40,595 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification1_spec__1 [2020-09-25 08:33:40,595 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_set [2020-09-25 08:33:40,596 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_free [2020-09-25 08:33:40,596 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_reset [2020-09-25 08:33:40,596 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__error_stack_mgt [2020-09-25 08:33:40,596 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_arg [2020-09-25 08:33:40,597 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_argtype [2020-09-25 08:33:40,597 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2020-09-25 08:33:40,597 INFO L138 BoogieDeclarations]: Found implementation of procedure Specification2 [2020-09-25 08:33:40,597 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2020-09-25 08:33:40,597 INFO L138 BoogieDeclarations]: Found implementation of procedure runTest [2020-09-25 08:33:40,597 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-09-25 08:33:40,598 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2020-09-25 08:33:40,598 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2020-09-25 08:33:40,598 INFO L130 BoogieDeclarations]: Found specification of procedure printf [2020-09-25 08:33:40,598 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2020-09-25 08:33:40,598 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2020-09-25 08:33:40,598 INFO L130 BoogieDeclarations]: Found specification of procedure startSystem [2020-09-25 08:33:40,598 INFO L130 BoogieDeclarations]: Found specification of procedure stopSystem [2020-09-25 08:33:40,599 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2020-09-25 08:33:40,599 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2020-09-25 08:33:40,599 INFO L130 BoogieDeclarations]: Found specification of procedure test [2020-09-25 08:33:40,599 INFO L130 BoogieDeclarations]: Found specification of procedure lowerWaterLevel [2020-09-25 08:33:40,599 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2020-09-25 08:33:40,599 INFO L130 BoogieDeclarations]: Found specification of procedure printEnvironment [2020-09-25 08:33:40,599 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump [2020-09-25 08:33:40,600 INFO L130 BoogieDeclarations]: Found specification of procedure deactivatePump [2020-09-25 08:33:40,600 INFO L130 BoogieDeclarations]: Found specification of procedure isPumpRunning [2020-09-25 08:33:40,600 INFO L130 BoogieDeclarations]: Found specification of procedure printPump [2020-09-25 08:33:40,600 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification1_spec__1 [2020-09-25 08:33:40,600 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment [2020-09-25 08:33:40,600 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump__wrappee__base [2020-09-25 08:33:40,600 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneAlarm [2020-09-25 08:33:40,600 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-09-25 08:33:40,601 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2020-09-25 08:33:40,601 INFO L130 BoogieDeclarations]: Found specification of procedure getWaterLevel [2020-09-25 08:33:40,601 INFO L130 BoogieDeclarations]: Found specification of procedure select_one [2020-09-25 08:33:40,601 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2020-09-25 08:33:40,601 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2020-09-25 08:33:40,601 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2020-09-25 08:33:40,601 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2020-09-25 08:33:40,601 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2020-09-25 08:33:40,602 INFO L130 BoogieDeclarations]: Found specification of procedure free [2020-09-25 08:33:40,602 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_set [2020-09-25 08:33:40,602 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2020-09-25 08:33:40,602 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2020-09-25 08:33:40,602 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-09-25 08:33:40,602 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2020-09-25 08:33:40,603 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_free [2020-09-25 08:33:40,603 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-09-25 08:33:40,603 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_reset [2020-09-25 08:33:40,603 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~X~int~TO~int [2020-09-25 08:33:40,603 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2020-09-25 08:33:40,603 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__error_stack_mgt [2020-09-25 08:33:40,604 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_arg [2020-09-25 08:33:40,604 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_argtype [2020-09-25 08:33:40,604 INFO L130 BoogieDeclarations]: Found specification of procedure Specification2 [2020-09-25 08:33:40,604 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2020-09-25 08:33:40,604 INFO L130 BoogieDeclarations]: Found specification of procedure runTest [2020-09-25 08:33:40,604 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-09-25 08:33:40,604 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-09-25 08:33:40,605 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-09-25 08:33:40,605 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-09-25 08:33:41,823 INFO L290 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-09-25 08:33:41,824 INFO L295 CfgBuilder]: Removed 5 assume(true) statements. [2020-09-25 08:33:41,837 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.09 08:33:41 BoogieIcfgContainer [2020-09-25 08:33:41,837 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-09-25 08:33:41,840 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-09-25 08:33:41,840 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-09-25 08:33:41,845 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-09-25 08:33:41,845 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 25.09 08:33:39" (1/3) ... [2020-09-25 08:33:41,846 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@250664b0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 25.09 08:33:41, skipping insertion in model container [2020-09-25 08:33:41,847 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 08:33:40" (2/3) ... [2020-09-25 08:33:41,847 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@250664b0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 25.09 08:33:41, skipping insertion in model container [2020-09-25 08:33:41,847 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.09 08:33:41" (3/3) ... [2020-09-25 08:33:41,850 INFO L109 eAbstractionObserver]: Analyzing ICFG minepump_spec1_product12.cil.c [2020-09-25 08:33:41,863 INFO L157 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:Craig_NestedInterpolation Determinization: PREDICATE_ABSTRACTION [2020-09-25 08:33:41,879 INFO L169 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-09-25 08:33:41,904 INFO L251 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-09-25 08:33:41,960 INFO L375 AbstractCegarLoop]: Interprodecural is true [2020-09-25 08:33:41,960 INFO L376 AbstractCegarLoop]: Hoare is true [2020-09-25 08:33:41,961 INFO L377 AbstractCegarLoop]: Compute interpolants for Craig_NestedInterpolation [2020-09-25 08:33:41,961 INFO L378 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-09-25 08:33:41,961 INFO L379 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-09-25 08:33:41,961 INFO L380 AbstractCegarLoop]: Difference is false [2020-09-25 08:33:41,961 INFO L381 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-09-25 08:33:41,961 INFO L385 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-09-25 08:33:41,998 INFO L276 IsEmpty]: Start isEmpty. Operand 270 states. [2020-09-25 08:33:42,023 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 143 [2020-09-25 08:33:42,024 INFO L414 BasicCegarLoop]: Found error trace [2020-09-25 08:33:42,026 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 08:33:42,027 INFO L427 AbstractCegarLoop]: === Iteration 1 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-25 08:33:42,037 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-25 08:33:42,038 INFO L82 PathProgramCache]: Analyzing trace with hash 1560452623, now seen corresponding path program 1 times [2020-09-25 08:33:42,051 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-25 08:33:42,051 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1640694273] [2020-09-25 08:33:42,052 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-25 08:33:42,422 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 08:33:42,561 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 08:33:42,748 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 08:33:44,100 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 08:33:45,180 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 08:33:46,978 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 08:33:47,480 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 08:33:47,480 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 173 [2020-09-25 08:33:47,481 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 5 [2020-09-25 08:33:47,481 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5047 [2020-09-25 08:33:47,486 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 08:33:47,487 FATAL L256 erpolLogProxyWrapper]: Tolerance: 1.0 [2020-09-25 08:33:47,487 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 08:33:47,488 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 129 [2020-09-25 08:33:47,488 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 08:33:47,489 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 7 [2020-09-25 08:33:47,939 WARN L193 SmtUtils]: Spent 303.00 ms on a formula simplification that was a NOOP. DAG size: 184 [2020-09-25 08:33:47,944 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-25 08:33:47,978 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 08:33:47,992 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 08:33:48,114 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 08:33:48,123 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 85 [2020-09-25 08:33:48,124 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 08:33:48,124 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 134 [2020-09-25 08:33:48,124 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 08:33:48,124 FATAL L256 erpolLogProxyWrapper]: Tolerance: 1.0 [2020-09-25 08:33:48,125 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 08:33:48,126 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 08:33:48,126 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 08:33:48,126 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 08:33:48,220 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2020-09-25 08:33:48,221 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 08:33:48,225 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 08:33:48,229 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 08:33:48,229 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 08:33:48,230 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 08:33:48,230 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-09-25 08:33:48,230 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 08:33:48,230 FATAL L256 erpolLogProxyWrapper]: Tolerance: 1.0 [2020-09-25 08:33:48,231 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 08:33:48,231 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 08:33:48,231 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 08:33:48,231 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 08:33:48,235 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 86 [2020-09-25 08:33:48,239 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 08:33:48,240 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 08:33:48,242 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 08:33:48,242 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 08:33:48,243 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 08:33:48,243 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-25 08:33:48,243 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 08:33:48,243 FATAL L256 erpolLogProxyWrapper]: Tolerance: 1.0 [2020-09-25 08:33:48,244 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 08:33:48,244 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 08:33:48,244 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 08:33:48,244 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 08:33:48,246 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2020-09-25 08:33:48,247 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 08:33:48,249 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 08:33:48,254 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 08:33:48,255 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 08:33:48,255 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 08:33:48,255 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-09-25 08:33:48,255 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 08:33:48,256 FATAL L256 erpolLogProxyWrapper]: Tolerance: 1.0 [2020-09-25 08:33:48,256 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 08:33:48,256 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 08:33:48,256 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 08:33:48,257 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 08:33:48,262 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 99 [2020-09-25 08:33:48,263 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 08:33:48,265 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 08:33:48,267 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 08:33:48,268 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 08:33:48,268 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 08:33:48,268 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-25 08:33:48,268 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 08:33:48,269 FATAL L256 erpolLogProxyWrapper]: Tolerance: 1.0 [2020-09-25 08:33:48,269 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 08:33:48,269 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 08:33:48,269 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 08:33:48,270 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 08:33:48,271 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 120 [2020-09-25 08:33:48,273 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 08:33:48,274 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 08:33:48,277 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 08:33:48,277 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 08:33:48,278 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 08:33:48,278 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-25 08:33:48,278 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 08:33:48,279 FATAL L256 erpolLogProxyWrapper]: Tolerance: 1.0 [2020-09-25 08:33:48,279 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 08:33:48,279 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-09-25 08:33:48,280 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 08:33:48,280 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 08:33:48,283 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 130 [2020-09-25 08:33:48,286 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 08:33:48,288 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 08:33:48,303 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 08:33:48,304 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 08:33:48,304 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 08:33:48,304 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 16 [2020-09-25 08:33:48,304 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 08:33:48,305 FATAL L256 erpolLogProxyWrapper]: Tolerance: 1.0 [2020-09-25 08:33:48,308 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 08:33:48,308 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-09-25 08:33:48,308 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 08:33:48,308 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 4 [2020-09-25 08:33:48,349 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 08:33:48,350 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1640694273] [2020-09-25 08:33:48,352 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-25 08:33:48,352 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-09-25 08:33:48,354 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [223470080] [2020-09-25 08:33:48,397 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-09-25 08:33:48,397 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-25 08:33:48,419 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-09-25 08:33:48,421 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-09-25 08:33:48,424 INFO L87 Difference]: Start difference. First operand 270 states. Second operand 3 states. [2020-09-25 08:33:49,827 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-25 08:33:49,827 INFO L93 Difference]: Finished difference Result 372 states and 447 transitions. [2020-09-25 08:33:49,828 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-09-25 08:33:49,831 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 142 [2020-09-25 08:33:49,832 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-25 08:33:49,861 INFO L225 Difference]: With dead ends: 372 [2020-09-25 08:33:49,861 INFO L226 Difference]: Without dead ends: 243 [2020-09-25 08:33:49,870 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 16 GetRequests, 15 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-09-25 08:33:49,956 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 243 states. [2020-09-25 08:33:50,085 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 243 to 203. [2020-09-25 08:33:50,087 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 203 states. [2020-09-25 08:33:50,092 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 203 states to 203 states and 217 transitions. [2020-09-25 08:33:50,094 INFO L78 Accepts]: Start accepts. Automaton has 203 states and 217 transitions. Word has length 142 [2020-09-25 08:33:50,097 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-25 08:33:50,101 INFO L479 AbstractCegarLoop]: Abstraction has 203 states and 217 transitions. [2020-09-25 08:33:50,101 INFO L480 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-09-25 08:33:50,101 INFO L276 IsEmpty]: Start isEmpty. Operand 203 states and 217 transitions. [2020-09-25 08:33:50,113 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 144 [2020-09-25 08:33:50,114 INFO L414 BasicCegarLoop]: Found error trace [2020-09-25 08:33:50,117 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 08:33:50,117 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-09-25 08:33:50,118 INFO L427 AbstractCegarLoop]: === Iteration 2 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-25 08:33:50,118 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-25 08:33:50,118 INFO L82 PathProgramCache]: Analyzing trace with hash -1400986661, now seen corresponding path program 1 times [2020-09-25 08:33:50,118 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-25 08:33:50,119 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1167121759] [2020-09-25 08:33:50,119 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-25 08:33:50,173 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 08:33:50,231 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 08:33:50,346 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 08:33:51,864 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 08:33:52,497 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 08:33:53,801 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 08:33:55,187 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 08:33:55,187 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 174 [2020-09-25 08:33:55,188 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 5 [2020-09-25 08:33:55,188 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5007 [2020-09-25 08:33:55,188 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 08:33:55,188 FATAL L256 erpolLogProxyWrapper]: Tolerance: 1.0 [2020-09-25 08:33:55,188 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 08:33:55,189 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 128 [2020-09-25 08:33:55,189 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 3 [2020-09-25 08:33:55,189 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 08:33:55,520 WARN L193 SmtUtils]: Spent 257.00 ms on a formula simplification that was a NOOP. DAG size: 184 [2020-09-25 08:33:55,521 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-25 08:33:55,532 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 08:33:55,543 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 08:33:55,649 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 08:33:55,650 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 85 [2020-09-25 08:33:55,650 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 08:33:55,650 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 115 [2020-09-25 08:33:55,650 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 08:33:55,651 FATAL L256 erpolLogProxyWrapper]: Tolerance: 1.0 [2020-09-25 08:33:55,651 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 08:33:55,651 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 08:33:55,651 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 08:33:55,652 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 08:33:55,690 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2020-09-25 08:33:55,691 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 08:33:55,692 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 08:33:55,694 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 08:33:55,694 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 08:33:55,695 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 08:33:55,695 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-25 08:33:55,695 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 08:33:55,695 FATAL L256 erpolLogProxyWrapper]: Tolerance: 1.0 [2020-09-25 08:33:55,696 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 08:33:55,696 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 08:33:55,696 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 08:33:55,696 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 08:33:55,699 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 86 [2020-09-25 08:33:55,699 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 08:33:55,700 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 08:33:55,702 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 08:33:55,702 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 08:33:55,703 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 08:33:55,703 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-25 08:33:55,703 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 08:33:55,704 FATAL L256 erpolLogProxyWrapper]: Tolerance: 1.0 [2020-09-25 08:33:55,704 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 08:33:55,704 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 08:33:55,704 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 08:33:55,705 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 08:33:55,707 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2020-09-25 08:33:55,708 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 08:33:55,710 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 08:33:55,712 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 08:33:55,713 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 08:33:55,713 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 08:33:55,713 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-25 08:33:55,713 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 08:33:55,714 FATAL L256 erpolLogProxyWrapper]: Tolerance: 1.0 [2020-09-25 08:33:55,714 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 08:33:55,714 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 08:33:55,714 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 08:33:55,715 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 08:33:55,716 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 99 [2020-09-25 08:33:55,717 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 08:33:55,718 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 08:33:55,720 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 08:33:55,720 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 08:33:55,720 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 08:33:55,721 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-25 08:33:55,721 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 08:33:55,721 FATAL L256 erpolLogProxyWrapper]: Tolerance: 1.0 [2020-09-25 08:33:55,721 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 08:33:55,722 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 08:33:55,722 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 08:33:55,722 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 08:33:55,723 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 121 [2020-09-25 08:33:55,724 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 08:33:55,725 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 08:33:55,727 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 08:33:55,727 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 08:33:55,727 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 08:33:55,728 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-25 08:33:55,728 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 08:33:55,728 FATAL L256 erpolLogProxyWrapper]: Tolerance: 1.0 [2020-09-25 08:33:55,728 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 08:33:55,729 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-09-25 08:33:55,729 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 08:33:55,729 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 08:33:55,731 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 131 [2020-09-25 08:33:55,732 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 08:33:55,733 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 08:33:55,735 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 08:33:55,735 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 08:33:55,735 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 08:33:55,736 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-25 08:33:55,736 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 08:33:55,736 FATAL L256 erpolLogProxyWrapper]: Tolerance: 1.0 [2020-09-25 08:33:55,736 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 08:33:55,736 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-09-25 08:33:55,737 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 08:33:55,737 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 08:33:55,802 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 08:33:55,803 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1167121759] [2020-09-25 08:33:55,803 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-25 08:33:55,804 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2020-09-25 08:33:55,804 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1616789016] [2020-09-25 08:33:55,808 INFO L459 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-09-25 08:33:55,808 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-25 08:33:55,808 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-09-25 08:33:55,809 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2020-09-25 08:33:55,809 INFO L87 Difference]: Start difference. First operand 203 states and 217 transitions. Second operand 4 states. [2020-09-25 08:33:56,431 WARN L193 SmtUtils]: Spent 218.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-09-25 08:33:57,074 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-25 08:33:57,074 INFO L93 Difference]: Finished difference Result 276 states and 308 transitions. [2020-09-25 08:33:57,075 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-09-25 08:33:57,075 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 143 [2020-09-25 08:33:57,076 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-25 08:33:57,081 INFO L225 Difference]: With dead ends: 276 [2020-09-25 08:33:57,081 INFO L226 Difference]: Without dead ends: 226 [2020-09-25 08:33:57,083 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 08:33:57,084 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 226 states. [2020-09-25 08:33:57,120 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 226 to 193. [2020-09-25 08:33:57,120 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 193 states. [2020-09-25 08:33:57,121 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 193 states to 193 states and 204 transitions. [2020-09-25 08:33:57,122 INFO L78 Accepts]: Start accepts. Automaton has 193 states and 204 transitions. Word has length 143 [2020-09-25 08:33:57,122 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-25 08:33:57,122 INFO L479 AbstractCegarLoop]: Abstraction has 193 states and 204 transitions. [2020-09-25 08:33:57,123 INFO L480 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-09-25 08:33:57,123 INFO L276 IsEmpty]: Start isEmpty. Operand 193 states and 204 transitions. [2020-09-25 08:33:57,124 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 157 [2020-09-25 08:33:57,125 INFO L414 BasicCegarLoop]: Found error trace [2020-09-25 08:33:57,125 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-09-25 08:33:57,125 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-09-25 08:33:57,125 INFO L427 AbstractCegarLoop]: === Iteration 3 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-25 08:33:57,125 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-25 08:33:57,126 INFO L82 PathProgramCache]: Analyzing trace with hash 424122096, now seen corresponding path program 1 times [2020-09-25 08:33:57,126 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-25 08:33:57,126 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [712149698] [2020-09-25 08:33:57,127 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-25 08:33:57,176 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 08:33:57,229 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 08:33:57,448 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 08:33:58,234 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 08:33:58,360 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 08:34:02,220 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 08:34:02,220 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 187 [2020-09-25 08:34:02,220 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 4 [2020-09-25 08:34:02,221 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5040 [2020-09-25 08:34:02,221 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 08:34:02,221 FATAL L256 erpolLogProxyWrapper]: Tolerance: 1.0 [2020-09-25 08:34:02,221 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 08:34:02,221 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 146 [2020-09-25 08:34:02,222 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-09-25 08:34:02,222 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 08:34:02,514 WARN L193 SmtUtils]: Spent 222.00 ms on a formula simplification that was a NOOP. DAG size: 184 [2020-09-25 08:34:02,515 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-25 08:34:02,528 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 08:34:02,537 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 08:34:02,637 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 08:34:02,637 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 85 [2020-09-25 08:34:02,637 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 08:34:02,638 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 108 [2020-09-25 08:34:02,638 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 08:34:02,638 FATAL L256 erpolLogProxyWrapper]: Tolerance: 1.0 [2020-09-25 08:34:02,639 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 08:34:02,639 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 08:34:02,639 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 08:34:02,639 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 08:34:02,715 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2020-09-25 08:34:02,717 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 08:34:02,718 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 08:34:02,719 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 08:34:02,720 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 08:34:02,720 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 08:34:02,720 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-25 08:34:02,720 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 08:34:02,721 FATAL L256 erpolLogProxyWrapper]: Tolerance: 1.0 [2020-09-25 08:34:02,721 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 08:34:02,721 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 08:34:02,721 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 08:34:02,721 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 08:34:02,723 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 86 [2020-09-25 08:34:02,723 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 08:34:02,724 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 08:34:02,726 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 08:34:02,726 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 08:34:02,726 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 08:34:02,727 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-25 08:34:02,727 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 08:34:02,727 FATAL L256 erpolLogProxyWrapper]: Tolerance: 1.0 [2020-09-25 08:34:02,728 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 08:34:02,728 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 08:34:02,728 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 08:34:02,728 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 08:34:02,729 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2020-09-25 08:34:02,730 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 08:34:02,731 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 08:34:02,735 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 08:34:02,736 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 08:34:02,736 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 08:34:02,736 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-09-25 08:34:02,736 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 08:34:02,737 FATAL L256 erpolLogProxyWrapper]: Tolerance: 1.0 [2020-09-25 08:34:02,737 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 08:34:02,737 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 08:34:02,738 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 08:34:02,738 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 08:34:02,739 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 99 [2020-09-25 08:34:02,740 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 08:34:02,741 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 08:34:02,742 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 08:34:02,743 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 08:34:02,743 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 08:34:02,743 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-25 08:34:02,743 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 08:34:02,743 FATAL L256 erpolLogProxyWrapper]: Tolerance: 1.0 [2020-09-25 08:34:02,744 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 08:34:02,744 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 08:34:02,744 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 08:34:02,744 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 08:34:02,755 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2020-09-25 08:34:02,757 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 08:34:02,758 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 08:34:02,761 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 08:34:02,761 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-25 08:34:02,761 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 08:34:02,761 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-25 08:34:02,762 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 08:34:02,762 FATAL L256 erpolLogProxyWrapper]: Tolerance: 1.0 [2020-09-25 08:34:02,762 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 08:34:02,762 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 08:34:02,763 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-09-25 08:34:02,763 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 08:34:02,765 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 134 [2020-09-25 08:34:02,766 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 08:34:02,767 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 08:34:02,769 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 08:34:02,769 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 08:34:02,770 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 08:34:02,770 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-25 08:34:02,770 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 08:34:02,770 FATAL L256 erpolLogProxyWrapper]: Tolerance: 1.0 [2020-09-25 08:34:02,770 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 08:34:02,771 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-09-25 08:34:02,771 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 08:34:02,771 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 08:34:02,773 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 144 [2020-09-25 08:34:02,774 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 08:34:02,775 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 08:34:02,777 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 08:34:02,777 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 08:34:02,777 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 08:34:02,778 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-25 08:34:02,778 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 08:34:02,778 FATAL L256 erpolLogProxyWrapper]: Tolerance: 1.0 [2020-09-25 08:34:02,778 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 08:34:02,779 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-09-25 08:34:02,779 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 08:34:02,779 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 08:34:02,808 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 08:34:02,808 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [712149698] [2020-09-25 08:34:02,809 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-25 08:34:02,809 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2020-09-25 08:34:02,809 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1037274241] [2020-09-25 08:34:02,810 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-09-25 08:34:02,810 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-25 08:34:02,810 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-09-25 08:34:02,811 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-09-25 08:34:02,811 INFO L87 Difference]: Start difference. First operand 193 states and 204 transitions. Second operand 5 states. [2020-09-25 08:34:03,464 WARN L193 SmtUtils]: Spent 305.00 ms on a formula simplification that was a NOOP. DAG size: 186 [2020-09-25 08:34:04,728 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-25 08:34:04,729 INFO L93 Difference]: Finished difference Result 421 states and 487 transitions. [2020-09-25 08:34:04,730 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2020-09-25 08:34:04,730 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 156 [2020-09-25 08:34:04,731 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-25 08:34:04,745 INFO L225 Difference]: With dead ends: 421 [2020-09-25 08:34:04,745 INFO L226 Difference]: Without dead ends: 338 [2020-09-25 08:34:04,747 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 23 GetRequests, 18 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=18, Invalid=24, Unknown=0, NotChecked=0, Total=42 [2020-09-25 08:34:04,748 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 338 states. [2020-09-25 08:34:04,866 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 338 to 260. [2020-09-25 08:34:04,866 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 260 states. [2020-09-25 08:34:04,868 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 260 states to 260 states and 281 transitions. [2020-09-25 08:34:04,868 INFO L78 Accepts]: Start accepts. Automaton has 260 states and 281 transitions. Word has length 156 [2020-09-25 08:34:04,869 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-25 08:34:04,869 INFO L479 AbstractCegarLoop]: Abstraction has 260 states and 281 transitions. [2020-09-25 08:34:04,869 INFO L480 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-09-25 08:34:04,869 INFO L276 IsEmpty]: Start isEmpty. Operand 260 states and 281 transitions. [2020-09-25 08:34:04,872 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 160 [2020-09-25 08:34:04,872 INFO L414 BasicCegarLoop]: Found error trace [2020-09-25 08:34:04,872 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-09-25 08:34:04,873 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-09-25 08:34:04,873 INFO L427 AbstractCegarLoop]: === Iteration 4 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-25 08:34:04,873 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-25 08:34:04,874 INFO L82 PathProgramCache]: Analyzing trace with hash -287515457, now seen corresponding path program 1 times [2020-09-25 08:34:04,874 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-25 08:34:04,874 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1391336729] [2020-09-25 08:34:04,875 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-25 08:34:04,940 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 08:34:04,997 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 08:34:05,770 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 08:34:07,346 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 08:34:09,945 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 08:34:09,946 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 192 [2020-09-25 08:34:09,946 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-09-25 08:34:09,946 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5002 [2020-09-25 08:34:09,946 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 08:34:09,946 FATAL L256 erpolLogProxyWrapper]: Tolerance: 1.0 [2020-09-25 08:34:09,946 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 12 [2020-09-25 08:34:09,947 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 77 [2020-09-25 08:34:09,947 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 111 [2020-09-25 08:34:09,947 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 08:34:10,333 WARN L193 SmtUtils]: Spent 278.00 ms on a formula simplification that was a NOOP. DAG size: 184 [2020-09-25 08:34:10,334 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-25 08:34:10,366 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 08:34:10,403 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 08:34:10,618 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 08:34:10,618 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 85 [2020-09-25 08:34:10,619 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 08:34:10,619 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 250 [2020-09-25 08:34:10,619 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 08:34:10,620 FATAL L256 erpolLogProxyWrapper]: Tolerance: 1.0 [2020-09-25 08:34:10,620 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 08:34:10,621 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 08:34:10,621 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 73 [2020-09-25 08:34:10,621 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 2 [2020-09-25 08:34:10,675 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2020-09-25 08:34:10,676 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 08:34:10,678 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 08:34:10,681 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 08:34:10,681 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 08:34:10,682 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 08:34:10,682 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-09-25 08:34:10,682 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 08:34:10,683 FATAL L256 erpolLogProxyWrapper]: Tolerance: 1.0 [2020-09-25 08:34:10,683 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 08:34:10,684 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 08:34:10,684 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-25 08:34:10,684 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 08:34:10,686 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 86 [2020-09-25 08:34:10,688 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 08:34:10,689 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 08:34:10,693 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 08:34:10,693 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 08:34:10,693 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 08:34:10,694 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-09-25 08:34:10,694 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 08:34:10,695 FATAL L256 erpolLogProxyWrapper]: Tolerance: 1.0 [2020-09-25 08:34:10,695 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 08:34:10,695 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 08:34:10,696 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-25 08:34:10,696 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 08:34:10,698 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2020-09-25 08:34:10,699 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 08:34:10,701 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 08:34:10,710 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 08:34:10,711 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 08:34:10,711 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 08:34:10,712 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 11 [2020-09-25 08:34:10,712 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 08:34:10,712 FATAL L256 erpolLogProxyWrapper]: Tolerance: 1.0 [2020-09-25 08:34:10,713 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 08:34:10,713 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 08:34:10,714 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-09-25 08:34:10,714 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 08:34:10,718 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 99 [2020-09-25 08:34:10,719 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 08:34:10,722 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 08:34:10,725 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 08:34:10,726 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 08:34:10,726 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 08:34:10,726 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-09-25 08:34:10,727 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 08:34:10,727 FATAL L256 erpolLogProxyWrapper]: Tolerance: 1.0 [2020-09-25 08:34:10,728 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 08:34:10,728 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 08:34:10,728 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-25 08:34:10,729 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 08:34:10,744 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2020-09-25 08:34:10,745 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 08:34:10,747 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 08:34:10,756 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 08:34:10,757 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-25 08:34:10,757 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 08:34:10,757 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 10 [2020-09-25 08:34:10,758 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 08:34:10,758 FATAL L256 erpolLogProxyWrapper]: Tolerance: 1.0 [2020-09-25 08:34:10,759 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 08:34:10,759 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 08:34:10,759 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-09-25 08:34:10,760 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 08:34:10,761 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 131 [2020-09-25 08:34:10,767 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 08:34:10,769 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 08:34:10,775 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 08:34:10,775 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 08:34:10,776 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 08:34:10,776 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-09-25 08:34:10,776 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 08:34:10,777 FATAL L256 erpolLogProxyWrapper]: Tolerance: 1.0 [2020-09-25 08:34:10,777 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 08:34:10,777 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 08:34:10,777 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-25 08:34:10,778 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 08:34:10,779 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 137 [2020-09-25 08:34:10,780 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 08:34:10,782 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 08:34:10,787 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 08:34:10,787 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 08:34:10,787 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 08:34:10,788 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-09-25 08:34:10,788 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 08:34:10,788 FATAL L256 erpolLogProxyWrapper]: Tolerance: 1.0 [2020-09-25 08:34:10,789 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 08:34:10,789 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 08:34:10,789 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-09-25 08:34:10,790 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 08:34:10,792 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 147 [2020-09-25 08:34:10,793 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 08:34:10,795 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 08:34:10,811 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 08:34:10,811 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 08:34:10,812 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 08:34:10,812 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 17 [2020-09-25 08:34:10,812 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 08:34:10,813 FATAL L256 erpolLogProxyWrapper]: Tolerance: 1.0 [2020-09-25 08:34:10,813 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-09-25 08:34:10,814 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 08:34:10,814 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-09-25 08:34:10,814 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 08:34:10,973 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 08:34:11,005 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1391336729] [2020-09-25 08:34:11,006 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-25 08:34:11,006 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2020-09-25 08:34:11,006 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1069453275] [2020-09-25 08:34:11,014 INFO L459 AbstractCegarLoop]: Interpolant automaton has 9 states [2020-09-25 08:34:11,014 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-25 08:34:11,015 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2020-09-25 08:34:11,018 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=56, Unknown=0, NotChecked=0, Total=72 [2020-09-25 08:34:11,018 INFO L87 Difference]: Start difference. First operand 260 states and 281 transitions. Second operand 9 states. [2020-09-25 08:34:11,756 WARN L193 SmtUtils]: Spent 315.00 ms on a formula simplification that was a NOOP. DAG size: 186 [2020-09-25 08:34:13,064 WARN L193 SmtUtils]: Spent 468.00 ms on a formula simplification. DAG size of input: 195 DAG size of output: 191 [2020-09-25 08:34:13,724 WARN L193 SmtUtils]: Spent 595.00 ms on a formula simplification. DAG size of input: 201 DAG size of output: 193 [2020-09-25 08:34:14,069 WARN L193 SmtUtils]: Spent 291.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-09-25 08:34:14,383 WARN L193 SmtUtils]: Spent 282.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-09-25 08:34:14,676 WARN L193 SmtUtils]: Spent 267.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-09-25 08:34:14,896 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-25 08:34:14,896 INFO L93 Difference]: Finished difference Result 447 states and 515 transitions. [2020-09-25 08:34:14,897 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2020-09-25 08:34:14,897 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 159 [2020-09-25 08:34:14,898 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-25 08:34:14,899 INFO L225 Difference]: With dead ends: 447 [2020-09-25 08:34:14,899 INFO L226 Difference]: Without dead ends: 0 [2020-09-25 08:34:14,902 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 36 GetRequests, 22 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 10 ImplicationChecksByTransitivity, 2.7s TimeCoverageRelationStatistics Valid=71, Invalid=169, Unknown=0, NotChecked=0, Total=240 [2020-09-25 08:34:14,902 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2020-09-25 08:34:14,902 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2020-09-25 08:34:14,903 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2020-09-25 08:34:14,903 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2020-09-25 08:34:14,903 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 159 [2020-09-25 08:34:14,903 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-25 08:34:14,903 INFO L479 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-09-25 08:34:14,904 INFO L480 AbstractCegarLoop]: Interpolant automaton has 9 states. [2020-09-25 08:34:14,904 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2020-09-25 08:34:14,904 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-09-25 08:34:14,904 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2020-09-25 08:34:14,907 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2020-09-25 08:34:15,106 WARN L193 SmtUtils]: Spent 184.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-09-25 08:34:15,279 WARN L193 SmtUtils]: Spent 163.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-09-25 08:34:15,409 WARN L193 SmtUtils]: Spent 124.00 ms on a formula simplification. DAG size of input: 200 DAG size of output: 6 [2020-09-25 08:34:15,539 WARN L193 SmtUtils]: Spent 129.00 ms on a formula simplification. DAG size of input: 200 DAG size of output: 6 [2020-09-25 08:34:15,703 WARN L193 SmtUtils]: Spent 157.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-09-25 08:34:16,026 WARN L193 SmtUtils]: Spent 319.00 ms on a formula simplification. DAG size of input: 191 DAG size of output: 189 [2020-09-25 08:34:16,347 WARN L193 SmtUtils]: Spent 319.00 ms on a formula simplification. DAG size of input: 191 DAG size of output: 189 [2020-09-25 08:34:16,583 WARN L193 SmtUtils]: Spent 233.00 ms on a formula simplification. DAG size of input: 188 DAG size of output: 186 [2020-09-25 08:34:16,896 WARN L193 SmtUtils]: Spent 310.00 ms on a formula simplification. DAG size of input: 191 DAG size of output: 189 [2020-09-25 08:34:17,056 WARN L193 SmtUtils]: Spent 157.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-09-25 08:34:17,202 WARN L193 SmtUtils]: Spent 142.00 ms on a formula simplification that was a NOOP. DAG size: 186 [2020-09-25 08:34:17,352 WARN L193 SmtUtils]: Spent 148.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-09-25 08:34:17,504 WARN L193 SmtUtils]: Spent 148.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-09-25 08:34:17,663 WARN L193 SmtUtils]: Spent 147.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-09-25 08:34:17,975 WARN L193 SmtUtils]: Spent 308.00 ms on a formula simplification. DAG size of input: 191 DAG size of output: 189 [2020-09-25 08:34:18,290 WARN L193 SmtUtils]: Spent 310.00 ms on a formula simplification. DAG size of input: 191 DAG size of output: 189 [2020-09-25 08:34:18,523 WARN L193 SmtUtils]: Spent 231.00 ms on a formula simplification. DAG size of input: 188 DAG size of output: 186 [2020-09-25 08:34:18,833 WARN L193 SmtUtils]: Spent 307.00 ms on a formula simplification. DAG size of input: 191 DAG size of output: 189 [2020-09-25 08:34:18,937 WARN L193 SmtUtils]: Spent 102.00 ms on a formula simplification. DAG size of input: 199 DAG size of output: 6 [2020-09-25 08:34:19,091 WARN L193 SmtUtils]: Spent 145.00 ms on a formula simplification that was a NOOP. DAG size: 186 [2020-09-25 08:34:19,239 WARN L193 SmtUtils]: Spent 147.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-09-25 08:34:19,388 WARN L193 SmtUtils]: Spent 147.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-09-25 08:34:19,489 WARN L193 SmtUtils]: Spent 100.00 ms on a formula simplification. DAG size of input: 200 DAG size of output: 6 [2020-09-25 08:34:19,808 WARN L193 SmtUtils]: Spent 316.00 ms on a formula simplification. DAG size of input: 191 DAG size of output: 187 [2020-09-25 08:34:20,128 WARN L193 SmtUtils]: Spent 318.00 ms on a formula simplification. DAG size of input: 191 DAG size of output: 187 [2020-09-25 08:34:20,439 WARN L193 SmtUtils]: Spent 309.00 ms on a formula simplification. DAG size of input: 191 DAG size of output: 187 [2020-09-25 08:34:20,582 WARN L193 SmtUtils]: Spent 140.00 ms on a formula simplification that was a NOOP. DAG size: 184 [2020-09-25 08:34:20,733 WARN L193 SmtUtils]: Spent 143.00 ms on a formula simplification that was a NOOP. DAG size: 186 [2020-09-25 08:34:20,882 WARN L193 SmtUtils]: Spent 147.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-09-25 08:34:21,033 WARN L193 SmtUtils]: Spent 147.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-09-25 08:34:21,181 WARN L193 SmtUtils]: Spent 147.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-09-25 08:34:21,326 WARN L193 SmtUtils]: Spent 143.00 ms on a formula simplification that was a NOOP. DAG size: 186 [2020-09-25 08:34:21,478 WARN L193 SmtUtils]: Spent 149.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-09-25 08:34:21,626 WARN L193 SmtUtils]: Spent 147.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-09-25 08:34:21,771 WARN L193 SmtUtils]: Spent 143.00 ms on a formula simplification that was a NOOP. DAG size: 186 [2020-09-25 08:34:21,920 WARN L193 SmtUtils]: Spent 147.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-09-25 08:34:22,069 WARN L193 SmtUtils]: Spent 147.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-09-25 08:34:22,220 WARN L193 SmtUtils]: Spent 147.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-09-25 08:34:22,369 WARN L193 SmtUtils]: Spent 148.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-09-25 08:34:22,513 WARN L193 SmtUtils]: Spent 143.00 ms on a formula simplification that was a NOOP. DAG size: 186 [2020-09-25 08:34:22,672 WARN L193 SmtUtils]: Spent 156.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-09-25 08:34:22,816 WARN L193 SmtUtils]: Spent 143.00 ms on a formula simplification that was a NOOP. DAG size: 186 [2020-09-25 08:34:22,966 WARN L193 SmtUtils]: Spent 147.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-09-25 08:34:23,114 WARN L193 SmtUtils]: Spent 147.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-09-25 08:34:23,266 WARN L193 SmtUtils]: Spent 150.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-09-25 08:34:23,369 WARN L193 SmtUtils]: Spent 101.00 ms on a formula simplification. DAG size of input: 199 DAG size of output: 6 [2020-09-25 08:34:23,516 WARN L193 SmtUtils]: Spent 142.00 ms on a formula simplification that was a NOOP. DAG size: 186 [2020-09-25 08:34:23,664 WARN L193 SmtUtils]: Spent 146.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-09-25 08:34:23,813 WARN L193 SmtUtils]: Spent 146.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-09-25 08:34:23,961 WARN L193 SmtUtils]: Spent 147.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-09-25 08:34:24,104 WARN L193 SmtUtils]: Spent 142.00 ms on a formula simplification that was a NOOP. DAG size: 186 [2020-09-25 08:34:24,252 WARN L193 SmtUtils]: Spent 146.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-09-25 08:34:24,566 WARN L193 SmtUtils]: Spent 312.00 ms on a formula simplification. DAG size of input: 191 DAG size of output: 187 [2020-09-25 08:34:24,879 WARN L193 SmtUtils]: Spent 311.00 ms on a formula simplification. DAG size of input: 191 DAG size of output: 187 [2020-09-25 08:34:25,190 WARN L193 SmtUtils]: Spent 309.00 ms on a formula simplification. DAG size of input: 191 DAG size of output: 187 [2020-09-25 08:34:25,434 WARN L193 SmtUtils]: Spent 146.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-09-25 08:34:25,632 WARN L193 SmtUtils]: Spent 193.00 ms on a formula simplification. DAG size of input: 136 DAG size of output: 20 [2020-09-25 08:34:25,877 WARN L193 SmtUtils]: Spent 228.00 ms on a formula simplification. DAG size of input: 136 DAG size of output: 20 [2020-09-25 08:34:26,273 WARN L193 SmtUtils]: Spent 356.00 ms on a formula simplification. DAG size of input: 134 DAG size of output: 8 [2020-09-25 08:34:26,498 WARN L193 SmtUtils]: Spent 212.00 ms on a formula simplification. DAG size of input: 136 DAG size of output: 20 [2020-09-25 08:34:26,708 WARN L193 SmtUtils]: Spent 207.00 ms on a formula simplification. DAG size of input: 133 DAG size of output: 1 [2020-09-25 08:34:26,919 WARN L193 SmtUtils]: Spent 209.00 ms on a formula simplification. DAG size of input: 136 DAG size of output: 20 [2020-09-25 08:34:27,142 WARN L193 SmtUtils]: Spent 216.00 ms on a formula simplification. DAG size of input: 136 DAG size of output: 20 [2020-09-25 08:34:27,524 WARN L193 SmtUtils]: Spent 378.00 ms on a formula simplification. DAG size of input: 134 DAG size of output: 8 [2020-09-25 08:34:27,747 WARN L193 SmtUtils]: Spent 199.00 ms on a formula simplification. DAG size of input: 133 DAG size of output: 1 [2020-09-25 08:34:27,971 WARN L193 SmtUtils]: Spent 222.00 ms on a formula simplification. DAG size of input: 136 DAG size of output: 20 [2020-09-25 08:34:28,181 WARN L193 SmtUtils]: Spent 195.00 ms on a formula simplification. DAG size of input: 128 DAG size of output: 8 [2020-09-25 08:34:28,442 WARN L193 SmtUtils]: Spent 260.00 ms on a formula simplification that was a NOOP. DAG size: 184