/usr/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata ./data -tc ../../../trunk/examples/toolchains/AutomizerC.xml --traceabstraction.trace.refinement.strategy FIXED_PREFERENCES --traceabstraction.compute.interpolants.along.a.counterexample Craig_NestedInterpolation --traceabstraction.smt.solver Internal_SMTInterpol --traceabstraction.compute.trace.for.counterexample.result false --rcfgbuilder.size.of.a.code.block SingleStatement --traceabstraction.use.minimal.unsat.core.enumeration true --traceabstraction.additional.smt.options produce-proofs=true --traceabstraction.additional.smt.options produce-unsat-cores=true --traceabstraction.additional.smt.options enumeration-timeout=5000 --traceabstraction.additional.smt.options interpolation-heuristic=WIDESTAMONGSMALL --traceabstraction.additional.smt.options tolerance=0.4 --traceabstraction.additional.smt.options log-additional-information=true -s ../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf -i ../../../trunk/examples/svcomp/product-lines/minepump_spec1_product08.cil.c -------------------------------------------------------------------------------- This is Ultimate 0.1.25-c90d42b [2020-09-25 05:07:00,462 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-09-25 05:07:00,472 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-09-25 05:07:00,501 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-09-25 05:07:00,501 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-09-25 05:07:00,502 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-09-25 05:07:00,504 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-09-25 05:07:00,506 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-09-25 05:07:00,508 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-09-25 05:07:00,509 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-09-25 05:07:00,511 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-09-25 05:07:00,512 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-09-25 05:07:00,512 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-09-25 05:07:00,514 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-09-25 05:07:00,515 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-09-25 05:07:00,516 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-09-25 05:07:00,517 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-09-25 05:07:00,519 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-09-25 05:07:00,520 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-09-25 05:07:00,523 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-09-25 05:07:00,524 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-09-25 05:07:00,526 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-09-25 05:07:00,527 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-09-25 05:07:00,528 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-09-25 05:07:00,531 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-09-25 05:07:00,531 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-09-25 05:07:00,531 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-09-25 05:07:00,532 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-09-25 05:07:00,533 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-09-25 05:07:00,534 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-09-25 05:07:00,534 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-09-25 05:07:00,538 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-09-25 05:07:00,539 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-09-25 05:07:00,540 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-09-25 05:07:00,541 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-09-25 05:07:00,541 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-09-25 05:07:00,542 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-09-25 05:07:00,543 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-09-25 05:07:00,543 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-09-25 05:07:00,544 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-09-25 05:07:00,545 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-09-25 05:07:00,546 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf [2020-09-25 05:07:00,574 INFO L113 SettingsManager]: Loading preferences was successful [2020-09-25 05:07:00,574 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-09-25 05:07:00,575 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-09-25 05:07:00,576 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-09-25 05:07:00,576 INFO L138 SettingsManager]: * Use SBE=true [2020-09-25 05:07:00,576 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-09-25 05:07:00,576 INFO L138 SettingsManager]: * sizeof long=4 [2020-09-25 05:07:00,577 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-09-25 05:07:00,577 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-09-25 05:07:00,577 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-09-25 05:07:00,577 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-09-25 05:07:00,577 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-09-25 05:07:00,577 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-09-25 05:07:00,578 INFO L138 SettingsManager]: * sizeof long double=12 [2020-09-25 05:07:00,578 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-09-25 05:07:00,578 INFO L138 SettingsManager]: * Use constant arrays=true [2020-09-25 05:07:00,578 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-09-25 05:07:00,579 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-09-25 05:07:00,579 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-09-25 05:07:00,579 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-09-25 05:07:00,579 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-09-25 05:07:00,579 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-09-25 05:07:00,580 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-09-25 05:07:00,580 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-09-25 05:07:00,580 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-09-25 05:07:00,580 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-09-25 05:07:00,580 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-09-25 05:07:00,581 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-09-25 05:07:00,581 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-09-25 05:07:00,581 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Trace refinement strategy -> FIXED_PREFERENCES Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute Interpolants along a Counterexample -> Craig_NestedInterpolation Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: SMT solver -> Internal_SMTInterpol Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute trace for counterexample result -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder: Size of a code block -> SingleStatement Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Use minimal unsat core enumeration -> true Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=5000;interpolation-heuristic=WIDESTAMONGSMALL;tolerance=0.4;log-additional-information=true; Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=5000;interpolation-heuristic=WIDESTAMONGSMALL;tolerance=0.4;log-additional-information=true; Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=5000;interpolation-heuristic=WIDESTAMONGSMALL;tolerance=0.4;log-additional-information=true; Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=5000;interpolation-heuristic=WIDESTAMONGSMALL;tolerance=0.4;log-additional-information=true; Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=5000;interpolation-heuristic=WIDESTAMONGSMALL;tolerance=0.4;log-additional-information=true; Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=5000;interpolation-heuristic=WIDESTAMONGSMALL;tolerance=0.4;log-additional-information=true; [2020-09-25 05:07:01,621 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-09-25 05:07:01,637 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-09-25 05:07:01,644 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-09-25 05:07:01,646 INFO L271 PluginConnector]: Initializing CDTParser... [2020-09-25 05:07:01,648 INFO L275 PluginConnector]: CDTParser initialized [2020-09-25 05:07:01,649 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/product-lines/minepump_spec1_product08.cil.c [2020-09-25 05:07:01,746 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/2b70b3b76/0d3cdaa8c4cc4d6ab40b95163c1f5789/FLAG07ba29b22 [2020-09-25 05:07:02,376 INFO L306 CDTParser]: Found 1 translation units. [2020-09-25 05:07:02,377 INFO L160 CDTParser]: Scanning /storage/repos/ultimate-2/trunk/examples/svcomp/product-lines/minepump_spec1_product08.cil.c [2020-09-25 05:07:02,393 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/2b70b3b76/0d3cdaa8c4cc4d6ab40b95163c1f5789/FLAG07ba29b22 [2020-09-25 05:07:02,664 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/2b70b3b76/0d3cdaa8c4cc4d6ab40b95163c1f5789 [2020-09-25 05:07:02,677 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-09-25 05:07:02,683 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-09-25 05:07:02,684 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-09-25 05:07:02,684 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-09-25 05:07:02,688 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-09-25 05:07:02,690 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.09 05:07:02" (1/1) ... [2020-09-25 05:07:02,694 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7cc9c326 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 05:07:02, skipping insertion in model container [2020-09-25 05:07:02,694 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.09 05:07:02" (1/1) ... [2020-09-25 05:07:02,703 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-09-25 05:07:02,758 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-09-25 05:07:03,254 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-09-25 05:07:03,274 INFO L203 MainTranslator]: Completed pre-run [2020-09-25 05:07:03,386 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-09-25 05:07:03,429 INFO L208 MainTranslator]: Completed translation [2020-09-25 05:07:03,430 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 05:07:03 WrapperNode [2020-09-25 05:07:03,430 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-09-25 05:07:03,431 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-09-25 05:07:03,431 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-09-25 05:07:03,432 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-09-25 05:07:03,449 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 05:07:03" (1/1) ... [2020-09-25 05:07:03,449 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 05:07:03" (1/1) ... [2020-09-25 05:07:03,472 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 05:07:03" (1/1) ... [2020-09-25 05:07:03,473 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 05:07:03" (1/1) ... [2020-09-25 05:07:03,525 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 05:07:03" (1/1) ... [2020-09-25 05:07:03,535 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 05:07:03" (1/1) ... [2020-09-25 05:07:03,540 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 05:07:03" (1/1) ... [2020-09-25 05:07:03,548 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-09-25 05:07:03,549 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-09-25 05:07:03,549 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-09-25 05:07:03,549 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-09-25 05:07:03,550 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 05:07:03" (1/1) ... No working directory specified, using /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-09-25 05:07:03,645 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-09-25 05:07:03,645 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-09-25 05:07:03,645 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~X~int~TO~int [2020-09-25 05:07:03,646 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2020-09-25 05:07:03,646 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2020-09-25 05:07:03,647 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__base [2020-09-25 05:07:03,648 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment [2020-09-25 05:07:03,648 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump [2020-09-25 05:07:03,649 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivatePump [2020-09-25 05:07:03,649 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneAlarm [2020-09-25 05:07:03,649 INFO L138 BoogieDeclarations]: Found implementation of procedure isPumpRunning [2020-09-25 05:07:03,649 INFO L138 BoogieDeclarations]: Found implementation of procedure printPump [2020-09-25 05:07:03,649 INFO L138 BoogieDeclarations]: Found implementation of procedure stopSystem [2020-09-25 05:07:03,649 INFO L138 BoogieDeclarations]: Found implementation of procedure startSystem [2020-09-25 05:07:03,650 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_set [2020-09-25 05:07:03,651 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_free [2020-09-25 05:07:03,651 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_reset [2020-09-25 05:07:03,651 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__error_stack_mgt [2020-09-25 05:07:03,651 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_arg [2020-09-25 05:07:03,651 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_argtype [2020-09-25 05:07:03,651 INFO L138 BoogieDeclarations]: Found implementation of procedure select_one [2020-09-25 05:07:03,652 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2020-09-25 05:07:03,652 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2020-09-25 05:07:03,652 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2020-09-25 05:07:03,652 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2020-09-25 05:07:03,653 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2020-09-25 05:07:03,653 INFO L138 BoogieDeclarations]: Found implementation of procedure Specification2 [2020-09-25 05:07:03,654 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2020-09-25 05:07:03,654 INFO L138 BoogieDeclarations]: Found implementation of procedure runTest [2020-09-25 05:07:03,654 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-09-25 05:07:03,654 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification1_spec__1 [2020-09-25 05:07:03,654 INFO L138 BoogieDeclarations]: Found implementation of procedure lowerWaterLevel [2020-09-25 05:07:03,654 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2020-09-25 05:07:03,655 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2020-09-25 05:07:03,655 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2020-09-25 05:07:03,655 INFO L138 BoogieDeclarations]: Found implementation of procedure printEnvironment [2020-09-25 05:07:03,655 INFO L138 BoogieDeclarations]: Found implementation of procedure getWaterLevel [2020-09-25 05:07:03,655 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2020-09-25 05:07:03,655 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2020-09-25 05:07:03,656 INFO L130 BoogieDeclarations]: Found specification of procedure printf [2020-09-25 05:07:03,656 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2020-09-25 05:07:03,656 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2020-09-25 05:07:03,656 INFO L130 BoogieDeclarations]: Found specification of procedure startSystem [2020-09-25 05:07:03,656 INFO L130 BoogieDeclarations]: Found specification of procedure stopSystem [2020-09-25 05:07:03,656 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2020-09-25 05:07:03,656 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2020-09-25 05:07:03,657 INFO L130 BoogieDeclarations]: Found specification of procedure test [2020-09-25 05:07:03,657 INFO L130 BoogieDeclarations]: Found specification of procedure lowerWaterLevel [2020-09-25 05:07:03,657 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2020-09-25 05:07:03,657 INFO L130 BoogieDeclarations]: Found specification of procedure printEnvironment [2020-09-25 05:07:03,658 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump [2020-09-25 05:07:03,658 INFO L130 BoogieDeclarations]: Found specification of procedure deactivatePump [2020-09-25 05:07:03,658 INFO L130 BoogieDeclarations]: Found specification of procedure isPumpRunning [2020-09-25 05:07:03,658 INFO L130 BoogieDeclarations]: Found specification of procedure printPump [2020-09-25 05:07:03,659 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification1_spec__1 [2020-09-25 05:07:03,659 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment [2020-09-25 05:07:03,659 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__base [2020-09-25 05:07:03,659 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneAlarm [2020-09-25 05:07:03,659 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-09-25 05:07:03,659 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2020-09-25 05:07:03,660 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2020-09-25 05:07:03,660 INFO L130 BoogieDeclarations]: Found specification of procedure free [2020-09-25 05:07:03,660 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_set [2020-09-25 05:07:03,660 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2020-09-25 05:07:03,660 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2020-09-25 05:07:03,661 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-09-25 05:07:03,661 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2020-09-25 05:07:03,661 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_free [2020-09-25 05:07:03,661 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-09-25 05:07:03,662 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_reset [2020-09-25 05:07:03,662 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~X~int~TO~int [2020-09-25 05:07:03,664 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2020-09-25 05:07:03,664 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__error_stack_mgt [2020-09-25 05:07:03,664 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_arg [2020-09-25 05:07:03,664 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_argtype [2020-09-25 05:07:03,664 INFO L130 BoogieDeclarations]: Found specification of procedure select_one [2020-09-25 05:07:03,664 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2020-09-25 05:07:03,665 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2020-09-25 05:07:03,665 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2020-09-25 05:07:03,665 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2020-09-25 05:07:03,665 INFO L130 BoogieDeclarations]: Found specification of procedure Specification2 [2020-09-25 05:07:03,665 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2020-09-25 05:07:03,666 INFO L130 BoogieDeclarations]: Found specification of procedure runTest [2020-09-25 05:07:03,666 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-09-25 05:07:03,667 INFO L130 BoogieDeclarations]: Found specification of procedure getWaterLevel [2020-09-25 05:07:03,667 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-09-25 05:07:03,667 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-09-25 05:07:03,667 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-09-25 05:07:04,977 INFO L290 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-09-25 05:07:04,977 INFO L295 CfgBuilder]: Removed 5 assume(true) statements. [2020-09-25 05:07:04,989 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.09 05:07:04 BoogieIcfgContainer [2020-09-25 05:07:04,989 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-09-25 05:07:04,994 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-09-25 05:07:04,994 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-09-25 05:07:04,998 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-09-25 05:07:04,998 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 25.09 05:07:02" (1/3) ... [2020-09-25 05:07:04,999 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5ac7d520 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 25.09 05:07:04, skipping insertion in model container [2020-09-25 05:07:05,000 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 05:07:03" (2/3) ... [2020-09-25 05:07:05,001 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5ac7d520 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 25.09 05:07:05, skipping insertion in model container [2020-09-25 05:07:05,001 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.09 05:07:04" (3/3) ... [2020-09-25 05:07:05,003 INFO L109 eAbstractionObserver]: Analyzing ICFG minepump_spec1_product08.cil.c [2020-09-25 05:07:05,015 INFO L157 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:Craig_NestedInterpolation Determinization: PREDICATE_ABSTRACTION [2020-09-25 05:07:05,028 INFO L169 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-09-25 05:07:05,051 INFO L251 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-09-25 05:07:05,080 INFO L375 AbstractCegarLoop]: Interprodecural is true [2020-09-25 05:07:05,081 INFO L376 AbstractCegarLoop]: Hoare is true [2020-09-25 05:07:05,081 INFO L377 AbstractCegarLoop]: Compute interpolants for Craig_NestedInterpolation [2020-09-25 05:07:05,081 INFO L378 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-09-25 05:07:05,081 INFO L379 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-09-25 05:07:05,081 INFO L380 AbstractCegarLoop]: Difference is false [2020-09-25 05:07:05,081 INFO L381 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-09-25 05:07:05,081 INFO L385 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-09-25 05:07:05,108 INFO L276 IsEmpty]: Start isEmpty. Operand 274 states. [2020-09-25 05:07:05,124 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 143 [2020-09-25 05:07:05,125 INFO L414 BasicCegarLoop]: Found error trace [2020-09-25 05:07:05,126 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-09-25 05:07:05,127 INFO L427 AbstractCegarLoop]: === Iteration 1 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-25 05:07:05,134 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-25 05:07:05,135 INFO L82 PathProgramCache]: Analyzing trace with hash 79669502, now seen corresponding path program 1 times [2020-09-25 05:07:05,146 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-25 05:07:05,146 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1814513377] [2020-09-25 05:07:05,147 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-25 05:07:05,497 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 05:07:05,712 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 05:07:05,914 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 05:07:07,369 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 05:07:08,369 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 05:07:09,777 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 05:07:10,602 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 05:07:10,603 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 173 [2020-09-25 05:07:10,603 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 5 [2020-09-25 05:07:10,603 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5094 [2020-09-25 05:07:10,607 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 05:07:10,608 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-09-25 05:07:10,609 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 05:07:10,609 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 129 [2020-09-25 05:07:10,609 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 05:07:10,610 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 5 [2020-09-25 05:07:11,049 WARN L193 SmtUtils]: Spent 292.00 ms on a formula simplification that was a NOOP. DAG size: 184 [2020-09-25 05:07:11,052 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-25 05:07:11,069 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 05:07:11,080 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 05:07:11,198 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 05:07:11,199 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 85 [2020-09-25 05:07:11,199 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 05:07:11,199 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 128 [2020-09-25 05:07:11,199 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 05:07:11,200 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-09-25 05:07:11,200 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 05:07:11,200 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 05:07:11,200 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 05:07:11,201 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 05:07:11,266 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2020-09-25 05:07:11,268 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 05:07:11,270 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 05:07:11,272 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 05:07:11,273 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 05:07:11,273 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 05:07:11,273 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-25 05:07:11,273 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 05:07:11,274 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-09-25 05:07:11,274 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 05:07:11,274 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 05:07:11,275 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 05:07:11,275 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 2 [2020-09-25 05:07:11,281 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 86 [2020-09-25 05:07:11,285 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 05:07:11,286 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 05:07:11,292 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 05:07:11,293 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 05:07:11,293 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 05:07:11,293 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-09-25 05:07:11,294 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 05:07:11,294 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-09-25 05:07:11,294 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 05:07:11,295 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 05:07:11,295 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 05:07:11,295 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 05:07:11,297 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2020-09-25 05:07:11,299 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 05:07:11,301 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 05:07:11,304 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 05:07:11,304 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 05:07:11,304 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 05:07:11,304 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-09-25 05:07:11,305 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 05:07:11,305 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-09-25 05:07:11,305 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 05:07:11,305 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 05:07:11,306 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 05:07:11,306 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 05:07:11,308 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 99 [2020-09-25 05:07:11,309 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 05:07:11,310 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 05:07:11,312 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 05:07:11,313 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 05:07:11,313 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 05:07:11,313 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-25 05:07:11,314 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 05:07:11,314 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-09-25 05:07:11,314 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 05:07:11,314 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 05:07:11,315 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 05:07:11,315 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 05:07:11,317 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 120 [2020-09-25 05:07:11,318 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 05:07:11,320 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 05:07:11,322 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 05:07:11,323 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 05:07:11,323 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 05:07:11,323 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-25 05:07:11,323 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 05:07:11,324 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-09-25 05:07:11,324 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 05:07:11,324 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-09-25 05:07:11,324 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 05:07:11,324 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 05:07:11,327 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 130 [2020-09-25 05:07:11,332 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 05:07:11,334 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 05:07:11,336 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 05:07:11,336 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 05:07:11,337 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 05:07:11,337 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-25 05:07:11,337 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 05:07:11,337 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-09-25 05:07:11,338 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 05:07:11,338 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-09-25 05:07:11,338 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 05:07:11,339 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 05:07:11,372 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-09-25 05:07:11,373 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1814513377] [2020-09-25 05:07:11,375 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-25 05:07:11,376 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-09-25 05:07:11,377 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [968782622] [2020-09-25 05:07:11,388 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-09-25 05:07:11,388 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-25 05:07:11,407 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-09-25 05:07:11,409 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-09-25 05:07:11,411 INFO L87 Difference]: Start difference. First operand 274 states. Second operand 3 states. [2020-09-25 05:07:13,384 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-25 05:07:13,385 INFO L93 Difference]: Finished difference Result 414 states and 500 transitions. [2020-09-25 05:07:13,386 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-09-25 05:07:13,388 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 142 [2020-09-25 05:07:13,392 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-25 05:07:13,427 INFO L225 Difference]: With dead ends: 414 [2020-09-25 05:07:13,427 INFO L226 Difference]: Without dead ends: 265 [2020-09-25 05:07:13,435 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 16 GetRequests, 15 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-09-25 05:07:13,465 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 265 states. [2020-09-25 05:07:13,572 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 265 to 223. [2020-09-25 05:07:13,573 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 223 states. [2020-09-25 05:07:13,576 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 223 states to 223 states and 242 transitions. [2020-09-25 05:07:13,578 INFO L78 Accepts]: Start accepts. Automaton has 223 states and 242 transitions. Word has length 142 [2020-09-25 05:07:13,579 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-25 05:07:13,579 INFO L479 AbstractCegarLoop]: Abstraction has 223 states and 242 transitions. [2020-09-25 05:07:13,580 INFO L480 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-09-25 05:07:13,580 INFO L276 IsEmpty]: Start isEmpty. Operand 223 states and 242 transitions. [2020-09-25 05:07:13,587 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 144 [2020-09-25 05:07:13,588 INFO L414 BasicCegarLoop]: Found error trace [2020-09-25 05:07:13,588 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-09-25 05:07:13,588 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-09-25 05:07:13,589 INFO L427 AbstractCegarLoop]: === Iteration 2 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-25 05:07:13,592 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-25 05:07:13,592 INFO L82 PathProgramCache]: Analyzing trace with hash -177134221, now seen corresponding path program 1 times [2020-09-25 05:07:13,593 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-25 05:07:13,593 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1501859425] [2020-09-25 05:07:13,593 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-25 05:07:13,653 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 05:07:13,715 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 05:07:13,828 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 05:07:15,405 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 05:07:16,008 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 05:07:17,257 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 05:07:18,657 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 05:07:18,657 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 174 [2020-09-25 05:07:18,657 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 5 [2020-09-25 05:07:18,657 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5000 [2020-09-25 05:07:18,658 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 05:07:18,658 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-09-25 05:07:18,658 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 05:07:18,658 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 128 [2020-09-25 05:07:18,659 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 3 [2020-09-25 05:07:18,659 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 05:07:18,989 WARN L193 SmtUtils]: Spent 260.00 ms on a formula simplification that was a NOOP. DAG size: 184 [2020-09-25 05:07:18,991 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-25 05:07:19,001 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 05:07:19,013 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 05:07:19,120 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 05:07:19,120 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 85 [2020-09-25 05:07:19,121 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 05:07:19,121 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 115 [2020-09-25 05:07:19,123 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 05:07:19,123 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-09-25 05:07:19,123 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 05:07:19,123 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 05:07:19,124 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 05:07:19,124 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 05:07:19,160 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2020-09-25 05:07:19,161 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 05:07:19,162 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 05:07:19,163 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 05:07:19,163 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 05:07:19,163 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 05:07:19,164 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-25 05:07:19,164 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 05:07:19,164 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-09-25 05:07:19,164 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 05:07:19,165 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 05:07:19,165 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 05:07:19,165 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 05:07:19,167 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 86 [2020-09-25 05:07:19,168 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 05:07:19,169 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 05:07:19,170 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 05:07:19,170 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 05:07:19,170 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 05:07:19,170 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-25 05:07:19,171 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 05:07:19,171 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-09-25 05:07:19,171 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 05:07:19,171 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 05:07:19,172 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 05:07:19,172 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 05:07:19,173 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2020-09-25 05:07:19,174 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 05:07:19,176 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 05:07:19,179 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 05:07:19,180 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 05:07:19,180 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 05:07:19,180 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-09-25 05:07:19,180 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 05:07:19,180 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-09-25 05:07:19,181 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 05:07:19,181 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 05:07:19,181 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 05:07:19,181 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 05:07:19,183 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 99 [2020-09-25 05:07:19,183 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 05:07:19,184 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 05:07:19,185 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 05:07:19,186 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 05:07:19,186 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 05:07:19,186 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-25 05:07:19,186 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 05:07:19,187 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-09-25 05:07:19,187 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 05:07:19,187 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 05:07:19,187 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 05:07:19,188 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 05:07:19,189 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 121 [2020-09-25 05:07:19,189 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 05:07:19,190 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 05:07:19,192 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 05:07:19,192 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 05:07:19,192 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 05:07:19,193 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-25 05:07:19,193 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 05:07:19,194 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-09-25 05:07:19,194 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 05:07:19,194 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-09-25 05:07:19,195 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 05:07:19,195 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 05:07:19,196 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 131 [2020-09-25 05:07:19,197 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 05:07:19,199 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 05:07:19,201 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 05:07:19,201 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 05:07:19,202 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 05:07:19,202 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-25 05:07:19,202 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 05:07:19,202 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-09-25 05:07:19,203 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 05:07:19,203 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-09-25 05:07:19,203 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 05:07:19,203 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 05:07:19,231 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-09-25 05:07:19,231 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1501859425] [2020-09-25 05:07:19,232 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-25 05:07:19,232 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2020-09-25 05:07:19,232 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1021270993] [2020-09-25 05:07:19,236 INFO L459 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-09-25 05:07:19,236 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-25 05:07:19,237 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-09-25 05:07:19,239 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2020-09-25 05:07:19,240 INFO L87 Difference]: Start difference. First operand 223 states and 242 transitions. Second operand 4 states. [2020-09-25 05:07:19,868 WARN L193 SmtUtils]: Spent 214.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-09-25 05:07:20,701 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-25 05:07:20,701 INFO L93 Difference]: Finished difference Result 321 states and 363 transitions. [2020-09-25 05:07:20,701 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-09-25 05:07:20,702 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 143 [2020-09-25 05:07:20,702 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-25 05:07:20,708 INFO L225 Difference]: With dead ends: 321 [2020-09-25 05:07:20,708 INFO L226 Difference]: Without dead ends: 248 [2020-09-25 05:07:20,710 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 18 GetRequests, 15 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2020-09-25 05:07:20,711 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 248 states. [2020-09-25 05:07:20,751 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 248 to 213. [2020-09-25 05:07:20,751 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 213 states. [2020-09-25 05:07:20,752 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 213 states to 213 states and 229 transitions. [2020-09-25 05:07:20,753 INFO L78 Accepts]: Start accepts. Automaton has 213 states and 229 transitions. Word has length 143 [2020-09-25 05:07:20,753 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-25 05:07:20,754 INFO L479 AbstractCegarLoop]: Abstraction has 213 states and 229 transitions. [2020-09-25 05:07:20,754 INFO L480 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-09-25 05:07:20,754 INFO L276 IsEmpty]: Start isEmpty. Operand 213 states and 229 transitions. [2020-09-25 05:07:20,761 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 157 [2020-09-25 05:07:20,762 INFO L414 BasicCegarLoop]: Found error trace [2020-09-25 05:07:20,763 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 05:07:20,763 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-09-25 05:07:20,763 INFO L427 AbstractCegarLoop]: === Iteration 3 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-25 05:07:20,763 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-25 05:07:20,764 INFO L82 PathProgramCache]: Analyzing trace with hash 680498528, now seen corresponding path program 1 times [2020-09-25 05:07:20,766 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-25 05:07:20,766 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [343225426] [2020-09-25 05:07:20,766 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-25 05:07:20,816 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 05:07:20,870 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 05:07:21,080 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 05:07:21,248 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 05:07:22,572 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 05:07:25,841 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 05:07:25,842 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 187 [2020-09-25 05:07:25,842 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 4 [2020-09-25 05:07:25,842 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5022 [2020-09-25 05:07:25,842 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 05:07:25,843 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-09-25 05:07:25,843 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 05:07:25,843 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 146 [2020-09-25 05:07:25,843 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-09-25 05:07:25,843 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 05:07:26,111 WARN L193 SmtUtils]: Spent 204.00 ms on a formula simplification that was a NOOP. DAG size: 184 [2020-09-25 05:07:26,112 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-25 05:07:26,121 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 05:07:26,129 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 05:07:26,224 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 05:07:26,225 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 85 [2020-09-25 05:07:26,225 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 05:07:26,225 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 103 [2020-09-25 05:07:26,226 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 05:07:26,226 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-09-25 05:07:26,226 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 05:07:26,226 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 05:07:26,227 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 05:07:26,227 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 05:07:26,286 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2020-09-25 05:07:26,287 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 05:07:26,289 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 05:07:26,290 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 05:07:26,291 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 05:07:26,291 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 05:07:26,291 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-25 05:07:26,292 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 05:07:26,292 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-09-25 05:07:26,292 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 05:07:26,293 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 05:07:26,293 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 05:07:26,294 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 05:07:26,295 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 86 [2020-09-25 05:07:26,295 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 05:07:26,297 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 05:07:26,298 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 05:07:26,300 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 05:07:26,300 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 05:07:26,301 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-25 05:07:26,301 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 05:07:26,301 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-09-25 05:07:26,302 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 05:07:26,302 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 05:07:26,302 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 05:07:26,303 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 05:07:26,304 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2020-09-25 05:07:26,305 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 05:07:26,306 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 05:07:26,310 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 05:07:26,310 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 05:07:26,311 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 05:07:26,311 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-09-25 05:07:26,311 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 05:07:26,312 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-09-25 05:07:26,312 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 05:07:26,312 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 05:07:26,313 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 05:07:26,313 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 05:07:26,314 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 99 [2020-09-25 05:07:26,315 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 05:07:26,317 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 05:07:26,319 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 05:07:26,320 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 05:07:26,320 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 05:07:26,320 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-25 05:07:26,321 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 05:07:26,321 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-09-25 05:07:26,321 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 05:07:26,322 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 05:07:26,322 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 05:07:26,322 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 05:07:26,336 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2020-09-25 05:07:26,337 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 05:07:26,339 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 05:07:26,342 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 05:07:26,346 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-25 05:07:26,347 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 05:07:26,347 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-09-25 05:07:26,348 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 05:07:26,348 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-09-25 05:07:26,348 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 05:07:26,349 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 05:07:26,349 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-09-25 05:07:26,349 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 05:07:26,357 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 134 [2020-09-25 05:07:26,358 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 05:07:26,359 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 05:07:26,361 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 05:07:26,362 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 05:07:26,362 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 05:07:26,362 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-25 05:07:26,363 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 05:07:26,363 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-09-25 05:07:26,364 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 05:07:26,364 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-09-25 05:07:26,364 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 05:07:26,365 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 05:07:26,366 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 144 [2020-09-25 05:07:26,367 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 05:07:26,369 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 05:07:26,374 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 05:07:26,374 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 05:07:26,374 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 05:07:26,375 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-09-25 05:07:26,378 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 05:07:26,379 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-09-25 05:07:26,379 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 05:07:26,379 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-09-25 05:07:26,380 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 05:07:26,380 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 05:07:26,417 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-09-25 05:07:26,419 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [343225426] [2020-09-25 05:07:26,419 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-25 05:07:26,420 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2020-09-25 05:07:26,420 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [545563845] [2020-09-25 05:07:26,422 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-09-25 05:07:26,422 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-25 05:07:26,422 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-09-25 05:07:26,426 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-09-25 05:07:26,426 INFO L87 Difference]: Start difference. First operand 213 states and 229 transitions. Second operand 5 states. [2020-09-25 05:07:27,024 WARN L193 SmtUtils]: Spent 228.00 ms on a formula simplification that was a NOOP. DAG size: 186 [2020-09-25 05:07:28,610 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-25 05:07:28,610 INFO L93 Difference]: Finished difference Result 485 states and 568 transitions. [2020-09-25 05:07:28,611 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2020-09-25 05:07:28,611 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 156 [2020-09-25 05:07:28,612 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-25 05:07:28,617 INFO L225 Difference]: With dead ends: 485 [2020-09-25 05:07:28,617 INFO L226 Difference]: Without dead ends: 382 [2020-09-25 05:07:28,619 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 23 GetRequests, 18 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=18, Invalid=24, Unknown=0, NotChecked=0, Total=42 [2020-09-25 05:07:28,620 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 382 states. [2020-09-25 05:07:28,678 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 382 to 306. [2020-09-25 05:07:28,679 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 306 states. [2020-09-25 05:07:28,681 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 306 states to 306 states and 339 transitions. [2020-09-25 05:07:28,681 INFO L78 Accepts]: Start accepts. Automaton has 306 states and 339 transitions. Word has length 156 [2020-09-25 05:07:28,682 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-25 05:07:28,682 INFO L479 AbstractCegarLoop]: Abstraction has 306 states and 339 transitions. [2020-09-25 05:07:28,682 INFO L480 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-09-25 05:07:28,682 INFO L276 IsEmpty]: Start isEmpty. Operand 306 states and 339 transitions. [2020-09-25 05:07:28,685 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 162 [2020-09-25 05:07:28,685 INFO L414 BasicCegarLoop]: Found error trace [2020-09-25 05:07:28,685 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-09-25 05:07:28,686 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-09-25 05:07:28,686 INFO L427 AbstractCegarLoop]: === Iteration 4 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-25 05:07:28,686 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-25 05:07:28,686 INFO L82 PathProgramCache]: Analyzing trace with hash 1977027375, now seen corresponding path program 1 times [2020-09-25 05:07:28,686 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-25 05:07:28,687 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [902238847] [2020-09-25 05:07:28,687 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-25 05:07:28,731 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 05:07:28,781 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 05:07:29,549 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 05:07:29,649 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 05:07:30,667 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 05:07:33,741 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 05:07:33,742 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 192 [2020-09-25 05:07:33,742 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 4 [2020-09-25 05:07:33,742 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5007 [2020-09-25 05:07:33,742 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 05:07:33,742 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-09-25 05:07:33,743 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 8 [2020-09-25 05:07:33,743 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 150 [2020-09-25 05:07:33,743 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 38 [2020-09-25 05:07:33,743 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 05:07:34,153 WARN L193 SmtUtils]: Spent 263.00 ms on a formula simplification that was a NOOP. DAG size: 184 [2020-09-25 05:07:34,154 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-25 05:07:34,165 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 05:07:34,175 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 05:07:34,283 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 05:07:34,283 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 85 [2020-09-25 05:07:34,284 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 05:07:34,284 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 117 [2020-09-25 05:07:34,285 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 05:07:34,285 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-09-25 05:07:34,285 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 05:07:34,286 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 05:07:34,286 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 05:07:34,286 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 05:07:34,332 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2020-09-25 05:07:34,333 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 05:07:34,334 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 05:07:34,337 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 05:07:34,337 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 05:07:34,337 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 05:07:34,338 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-25 05:07:34,338 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 05:07:34,338 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-09-25 05:07:34,339 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 05:07:34,339 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 05:07:34,339 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 05:07:34,340 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 05:07:34,341 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 86 [2020-09-25 05:07:34,342 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 05:07:34,344 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 05:07:34,346 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 05:07:34,346 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 05:07:34,346 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 05:07:34,347 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-25 05:07:34,347 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 05:07:34,347 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-09-25 05:07:34,348 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 05:07:34,348 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 05:07:34,348 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 05:07:34,349 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 05:07:34,350 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2020-09-25 05:07:34,351 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 05:07:34,352 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 05:07:34,356 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 05:07:34,356 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 05:07:34,357 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 05:07:34,357 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-09-25 05:07:34,357 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 05:07:34,358 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-09-25 05:07:34,358 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 05:07:34,358 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 05:07:34,359 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 05:07:34,359 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 05:07:34,361 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 99 [2020-09-25 05:07:34,361 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 05:07:34,362 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 05:07:34,364 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 05:07:34,364 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 05:07:34,365 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 05:07:34,365 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-25 05:07:34,365 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 05:07:34,366 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-09-25 05:07:34,366 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 05:07:34,366 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 05:07:34,367 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 05:07:34,367 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 05:07:34,394 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 128 [2020-09-25 05:07:34,396 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 05:07:34,397 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 05:07:34,405 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 05:07:34,406 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-09-25 05:07:34,406 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 05:07:34,406 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 9 [2020-09-25 05:07:34,407 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 05:07:34,407 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-09-25 05:07:34,407 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 05:07:34,408 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 05:07:34,408 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-09-25 05:07:34,408 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 05:07:34,412 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 139 [2020-09-25 05:07:34,414 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 05:07:34,416 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 05:07:34,419 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 05:07:34,419 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 05:07:34,420 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 05:07:34,420 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-09-25 05:07:34,420 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 05:07:34,420 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-09-25 05:07:34,420 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 05:07:34,421 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 05:07:34,421 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-09-25 05:07:34,421 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 05:07:34,423 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 149 [2020-09-25 05:07:34,426 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 05:07:34,428 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 05:07:34,454 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 05:07:34,454 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 05:07:34,455 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 05:07:34,458 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 27 [2020-09-25 05:07:34,458 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 05:07:34,459 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-09-25 05:07:34,459 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-09-25 05:07:34,459 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 05:07:34,460 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-09-25 05:07:34,460 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 05:07:34,556 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-09-25 05:07:34,557 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [902238847] [2020-09-25 05:07:34,557 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-25 05:07:34,558 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2020-09-25 05:07:34,558 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [638457737] [2020-09-25 05:07:34,559 INFO L459 AbstractCegarLoop]: Interpolant automaton has 9 states [2020-09-25 05:07:34,560 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-25 05:07:34,560 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2020-09-25 05:07:34,560 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=56, Unknown=0, NotChecked=0, Total=72 [2020-09-25 05:07:34,561 INFO L87 Difference]: Start difference. First operand 306 states and 339 transitions. Second operand 9 states. [2020-09-25 05:07:35,280 WARN L193 SmtUtils]: Spent 329.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-09-25 05:07:36,499 WARN L193 SmtUtils]: Spent 248.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-25 05:07:36,816 WARN L193 SmtUtils]: Spent 275.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-25 05:07:37,143 WARN L193 SmtUtils]: Spent 279.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-09-25 05:07:37,504 WARN L193 SmtUtils]: Spent 310.00 ms on a formula simplification that was a NOOP. DAG size: 195 [2020-09-25 05:07:37,833 WARN L193 SmtUtils]: Spent 293.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-09-25 05:07:38,068 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-25 05:07:38,068 INFO L93 Difference]: Finished difference Result 505 states and 592 transitions. [2020-09-25 05:07:38,069 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2020-09-25 05:07:38,069 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 161 [2020-09-25 05:07:38,070 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-25 05:07:38,070 INFO L225 Difference]: With dead ends: 505 [2020-09-25 05:07:38,070 INFO L226 Difference]: Without dead ends: 0 [2020-09-25 05:07:38,089 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 33 GetRequests, 19 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 16 ImplicationChecksByTransitivity, 2.2s TimeCoverageRelationStatistics Valid=71, Invalid=169, Unknown=0, NotChecked=0, Total=240 [2020-09-25 05:07:38,089 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2020-09-25 05:07:38,089 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2020-09-25 05:07:38,090 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2020-09-25 05:07:38,090 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2020-09-25 05:07:38,090 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 161 [2020-09-25 05:07:38,090 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-25 05:07:38,090 INFO L479 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-09-25 05:07:38,090 INFO L480 AbstractCegarLoop]: Interpolant automaton has 9 states. [2020-09-25 05:07:38,090 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2020-09-25 05:07:38,091 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-09-25 05:07:38,091 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2020-09-25 05:07:38,093 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2020-09-25 05:07:38,270 WARN L193 SmtUtils]: Spent 165.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-09-25 05:07:38,437 WARN L193 SmtUtils]: Spent 164.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-25 05:07:38,604 WARN L193 SmtUtils]: Spent 161.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-25 05:07:38,722 WARN L193 SmtUtils]: Spent 113.00 ms on a formula simplification. DAG size of input: 201 DAG size of output: 7 [2020-09-25 05:07:38,877 WARN L193 SmtUtils]: Spent 151.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-09-25 05:07:39,065 WARN L193 SmtUtils]: Spent 184.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-25 05:07:39,224 WARN L193 SmtUtils]: Spent 157.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-25 05:07:39,555 WARN L193 SmtUtils]: Spent 324.00 ms on a formula simplification. DAG size of input: 192 DAG size of output: 189 [2020-09-25 05:07:39,881 WARN L193 SmtUtils]: Spent 320.00 ms on a formula simplification. DAG size of input: 192 DAG size of output: 189 [2020-09-25 05:07:40,203 WARN L193 SmtUtils]: Spent 321.00 ms on a formula simplification. DAG size of input: 192 DAG size of output: 189 [2020-09-25 05:07:40,444 WARN L193 SmtUtils]: Spent 235.00 ms on a formula simplification. DAG size of input: 189 DAG size of output: 187 [2020-09-25 05:07:40,604 WARN L193 SmtUtils]: Spent 151.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-25 05:07:40,712 WARN L193 SmtUtils]: Spent 107.00 ms on a formula simplification. DAG size of input: 200 DAG size of output: 7 [2020-09-25 05:07:40,867 WARN L193 SmtUtils]: Spent 154.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-25 05:07:41,189 WARN L193 SmtUtils]: Spent 320.00 ms on a formula simplification. DAG size of input: 192 DAG size of output: 188 [2020-09-25 05:07:41,502 WARN L193 SmtUtils]: Spent 312.00 ms on a formula simplification. DAG size of input: 192 DAG size of output: 188 [2020-09-25 05:07:41,817 WARN L193 SmtUtils]: Spent 314.00 ms on a formula simplification. DAG size of input: 192 DAG size of output: 188 [2020-09-25 05:07:41,958 WARN L193 SmtUtils]: Spent 137.00 ms on a formula simplification that was a NOOP. DAG size: 184 [2020-09-25 05:07:42,110 WARN L193 SmtUtils]: Spent 151.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-25 05:07:42,264 WARN L193 SmtUtils]: Spent 152.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-25 05:07:42,416 WARN L193 SmtUtils]: Spent 151.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-25 05:07:42,569 WARN L193 SmtUtils]: Spent 150.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-09-25 05:07:42,725 WARN L193 SmtUtils]: Spent 154.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-25 05:07:42,878 WARN L193 SmtUtils]: Spent 151.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-25 05:07:43,027 WARN L193 SmtUtils]: Spent 147.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-09-25 05:07:43,180 WARN L193 SmtUtils]: Spent 151.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-25 05:07:43,328 WARN L193 SmtUtils]: Spent 147.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-09-25 05:07:43,483 WARN L193 SmtUtils]: Spent 152.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-25 05:07:43,636 WARN L193 SmtUtils]: Spent 152.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-25 05:07:43,788 WARN L193 SmtUtils]: Spent 151.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-25 05:07:43,942 WARN L193 SmtUtils]: Spent 151.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-25 05:07:44,090 WARN L193 SmtUtils]: Spent 147.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-09-25 05:07:44,244 WARN L193 SmtUtils]: Spent 152.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-25 05:07:44,397 WARN L193 SmtUtils]: Spent 152.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-25 05:07:44,550 WARN L193 SmtUtils]: Spent 151.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-25 05:07:44,699 WARN L193 SmtUtils]: Spent 146.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-09-25 05:07:44,860 WARN L193 SmtUtils]: Spent 151.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-25 05:07:45,109 WARN L193 SmtUtils]: Spent 151.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-25 05:07:45,426 WARN L193 SmtUtils]: Spent 316.00 ms on a formula simplification. DAG size of input: 192 DAG size of output: 189 [2020-09-25 05:07:45,747 WARN L193 SmtUtils]: Spent 318.00 ms on a formula simplification. DAG size of input: 192 DAG size of output: 189 [2020-09-25 05:07:46,067 WARN L193 SmtUtils]: Spent 318.00 ms on a formula simplification. DAG size of input: 192 DAG size of output: 189 [2020-09-25 05:07:46,304 WARN L193 SmtUtils]: Spent 234.00 ms on a formula simplification. DAG size of input: 189 DAG size of output: 187 [2020-09-25 05:07:46,458 WARN L193 SmtUtils]: Spent 152.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-25 05:07:46,607 WARN L193 SmtUtils]: Spent 146.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-09-25 05:07:46,768 WARN L193 SmtUtils]: Spent 152.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-25 05:07:46,921 WARN L193 SmtUtils]: Spent 147.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-09-25 05:07:47,074 WARN L193 SmtUtils]: Spent 152.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-25 05:07:47,228 WARN L193 SmtUtils]: Spent 152.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-25 05:07:47,483 WARN L193 SmtUtils]: Spent 152.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-25 05:07:47,640 WARN L193 SmtUtils]: Spent 150.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-09-25 05:07:47,797 WARN L193 SmtUtils]: Spent 152.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-25 05:07:48,050 WARN L193 SmtUtils]: Spent 151.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-25 05:07:48,199 WARN L193 SmtUtils]: Spent 146.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-09-25 05:07:48,353 WARN L193 SmtUtils]: Spent 152.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-25 05:07:48,506 WARN L193 SmtUtils]: Spent 146.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-09-25 05:07:48,660 WARN L193 SmtUtils]: Spent 152.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-25 05:07:48,813 WARN L193 SmtUtils]: Spent 152.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-25 05:07:48,965 WARN L193 SmtUtils]: Spent 151.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-25 05:07:49,480 WARN L193 SmtUtils]: Spent 406.00 ms on a formula simplification. DAG size of input: 138 DAG size of output: 9 [2020-09-25 05:07:49,650 WARN L193 SmtUtils]: Spent 168.00 ms on a formula simplification. DAG size of input: 139 DAG size of output: 22 [2020-09-25 05:07:49,867 WARN L193 SmtUtils]: Spent 197.00 ms on a formula simplification. DAG size of input: 135 DAG size of output: 1 [2020-09-25 05:07:50,311 WARN L193 SmtUtils]: Spent 412.00 ms on a formula simplification. DAG size of input: 139 DAG size of output: 13 [2020-09-25 05:07:50,544 WARN L193 SmtUtils]: Spent 214.00 ms on a formula simplification. DAG size of input: 139 DAG size of output: 22 [2020-09-25 05:07:50,767 WARN L193 SmtUtils]: Spent 208.00 ms on a formula simplification. DAG size of input: 139 DAG size of output: 22 [2020-09-25 05:07:50,975 WARN L193 SmtUtils]: Spent 206.00 ms on a formula simplification. DAG size of input: 130 DAG size of output: 10 [2020-09-25 05:07:51,222 WARN L193 SmtUtils]: Spent 245.00 ms on a formula simplification that was a NOOP. DAG size: 184 [2020-09-25 05:07:51,621 WARN L193 SmtUtils]: Spent 395.00 ms on a formula simplification. DAG size of input: 139 DAG size of output: 13 [2020-09-25 05:07:51,847 WARN L193 SmtUtils]: Spent 206.00 ms on a formula simplification. DAG size of input: 135 DAG size of output: 1 [2020-09-25 05:07:52,151 WARN L193 SmtUtils]: Spent 300.00 ms on a formula simplification. DAG size of input: 136 DAG size of output: 10