/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=0.6 --traceabstraction.additional.smt.options log-additional-information=true -s ../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf -i ../../../trunk/examples/svcomp/product-lines/minepump_spec4_product08.cil.c -------------------------------------------------------------------------------- This is Ultimate 0.1.25-c90d42b [2020-09-25 06:25:21,030 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-09-25 06:25:21,034 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-09-25 06:25:21,060 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-09-25 06:25:21,060 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-09-25 06:25:21,061 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-09-25 06:25:21,063 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-09-25 06:25:21,065 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-09-25 06:25:21,067 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-09-25 06:25:21,068 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-09-25 06:25:21,069 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-09-25 06:25:21,070 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-09-25 06:25:21,070 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-09-25 06:25:21,072 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-09-25 06:25:21,073 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-09-25 06:25:21,074 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-09-25 06:25:21,075 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-09-25 06:25:21,076 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-09-25 06:25:21,078 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-09-25 06:25:21,083 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-09-25 06:25:21,088 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-09-25 06:25:21,091 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-09-25 06:25:21,093 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-09-25 06:25:21,094 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-09-25 06:25:21,099 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-09-25 06:25:21,099 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-09-25 06:25:21,100 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-09-25 06:25:21,102 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-09-25 06:25:21,105 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-09-25 06:25:21,106 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-09-25 06:25:21,106 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-09-25 06:25:21,107 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-09-25 06:25:21,108 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-09-25 06:25:21,110 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-09-25 06:25:21,111 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-09-25 06:25:21,111 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-09-25 06:25:21,113 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-09-25 06:25:21,113 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-09-25 06:25:21,113 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-09-25 06:25:21,115 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-09-25 06:25:21,116 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-09-25 06:25:21,117 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 06:25:21,159 INFO L113 SettingsManager]: Loading preferences was successful [2020-09-25 06:25:21,160 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-09-25 06:25:21,161 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-09-25 06:25:21,161 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-09-25 06:25:21,162 INFO L138 SettingsManager]: * Use SBE=true [2020-09-25 06:25:21,162 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-09-25 06:25:21,162 INFO L138 SettingsManager]: * sizeof long=4 [2020-09-25 06:25:21,162 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-09-25 06:25:21,163 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-09-25 06:25:21,163 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-09-25 06:25:21,163 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-09-25 06:25:21,163 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-09-25 06:25:21,164 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-09-25 06:25:21,164 INFO L138 SettingsManager]: * sizeof long double=12 [2020-09-25 06:25:21,164 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-09-25 06:25:21,164 INFO L138 SettingsManager]: * Use constant arrays=true [2020-09-25 06:25:21,164 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-09-25 06:25:21,165 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-09-25 06:25:21,165 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-09-25 06:25:21,165 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-09-25 06:25:21,165 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-09-25 06:25:21,166 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-09-25 06:25:21,166 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-09-25 06:25:21,166 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-09-25 06:25:21,166 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-09-25 06:25:21,166 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-09-25 06:25:21,167 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-09-25 06:25:21,167 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-09-25 06:25:21,167 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-09-25 06:25:21,167 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=0.6;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=0.6;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=0.6;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=0.6;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=0.6;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=0.6;log-additional-information=true; [2020-09-25 06:25:21,622 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-09-25 06:25:21,640 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-09-25 06:25:21,645 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-09-25 06:25:21,646 INFO L271 PluginConnector]: Initializing CDTParser... [2020-09-25 06:25:21,647 INFO L275 PluginConnector]: CDTParser initialized [2020-09-25 06:25:21,648 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/product-lines/minepump_spec4_product08.cil.c [2020-09-25 06:25:21,743 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/34fd74bd1/1f997299133b41e38733aa30a0a0034d/FLAGd55aa6b76 [2020-09-25 06:25:22,330 INFO L306 CDTParser]: Found 1 translation units. [2020-09-25 06:25:22,331 INFO L160 CDTParser]: Scanning /storage/repos/ultimate-2/trunk/examples/svcomp/product-lines/minepump_spec4_product08.cil.c [2020-09-25 06:25:22,346 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/34fd74bd1/1f997299133b41e38733aa30a0a0034d/FLAGd55aa6b76 [2020-09-25 06:25:22,609 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/34fd74bd1/1f997299133b41e38733aa30a0a0034d [2020-09-25 06:25:22,624 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-09-25 06:25:22,630 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-09-25 06:25:22,631 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-09-25 06:25:22,631 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-09-25 06:25:22,635 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-09-25 06:25:22,636 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.09 06:25:22" (1/1) ... [2020-09-25 06:25:22,641 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@27030054 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 06:25:22, skipping insertion in model container [2020-09-25 06:25:22,641 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.09 06:25:22" (1/1) ... [2020-09-25 06:25:22,650 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-09-25 06:25:22,701 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-09-25 06:25:23,050 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-09-25 06:25:23,066 INFO L203 MainTranslator]: Completed pre-run [2020-09-25 06:25:23,266 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-09-25 06:25:23,308 INFO L208 MainTranslator]: Completed translation [2020-09-25 06:25:23,309 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 06:25:23 WrapperNode [2020-09-25 06:25:23,309 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-09-25 06:25:23,310 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-09-25 06:25:23,310 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-09-25 06:25:23,310 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-09-25 06:25:23,326 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 06:25:23" (1/1) ... [2020-09-25 06:25:23,326 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 06:25:23" (1/1) ... [2020-09-25 06:25:23,349 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 06:25:23" (1/1) ... [2020-09-25 06:25:23,350 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 06:25:23" (1/1) ... [2020-09-25 06:25:23,384 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 06:25:23" (1/1) ... [2020-09-25 06:25:23,395 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 06:25:23" (1/1) ... [2020-09-25 06:25:23,401 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 06:25:23" (1/1) ... [2020-09-25 06:25:23,410 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-09-25 06:25:23,411 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-09-25 06:25:23,411 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-09-25 06:25:23,411 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-09-25 06:25:23,412 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 06:25:23" (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 06:25:23,490 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-09-25 06:25:23,490 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-09-25 06:25:23,491 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~X~int~TO~int [2020-09-25 06:25:23,491 INFO L138 BoogieDeclarations]: Found implementation of procedure lowerWaterLevel [2020-09-25 06:25:23,491 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2020-09-25 06:25:23,491 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2020-09-25 06:25:23,491 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2020-09-25 06:25:23,492 INFO L138 BoogieDeclarations]: Found implementation of procedure printEnvironment [2020-09-25 06:25:23,492 INFO L138 BoogieDeclarations]: Found implementation of procedure getWaterLevel [2020-09-25 06:25:23,492 INFO L138 BoogieDeclarations]: Found implementation of procedure select_one [2020-09-25 06:25:23,492 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2020-09-25 06:25:23,492 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2020-09-25 06:25:23,493 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2020-09-25 06:25:23,493 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2020-09-25 06:25:23,493 INFO L138 BoogieDeclarations]: Found implementation of procedure Specification2 [2020-09-25 06:25:23,493 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2020-09-25 06:25:23,493 INFO L138 BoogieDeclarations]: Found implementation of procedure runTest [2020-09-25 06:25:23,494 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-09-25 06:25:23,494 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_set [2020-09-25 06:25:23,494 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_free [2020-09-25 06:25:23,494 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_reset [2020-09-25 06:25:23,495 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__error_stack_mgt [2020-09-25 06:25:23,495 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_arg [2020-09-25 06:25:23,495 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_argtype [2020-09-25 06:25:23,495 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification4_spec__1 [2020-09-25 06:25:23,495 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2020-09-25 06:25:23,495 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__base [2020-09-25 06:25:23,496 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment [2020-09-25 06:25:23,496 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump [2020-09-25 06:25:23,496 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivatePump [2020-09-25 06:25:23,496 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneAlarm [2020-09-25 06:25:23,496 INFO L138 BoogieDeclarations]: Found implementation of procedure isPumpRunning [2020-09-25 06:25:23,497 INFO L138 BoogieDeclarations]: Found implementation of procedure printPump [2020-09-25 06:25:23,497 INFO L138 BoogieDeclarations]: Found implementation of procedure stopSystem [2020-09-25 06:25:23,497 INFO L138 BoogieDeclarations]: Found implementation of procedure startSystem [2020-09-25 06:25:23,497 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2020-09-25 06:25:23,497 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2020-09-25 06:25:23,497 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2020-09-25 06:25:23,498 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2020-09-25 06:25:23,498 INFO L130 BoogieDeclarations]: Found specification of procedure printf [2020-09-25 06:25:23,498 INFO L130 BoogieDeclarations]: Found specification of procedure lowerWaterLevel [2020-09-25 06:25:23,498 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2020-09-25 06:25:23,498 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2020-09-25 06:25:23,498 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2020-09-25 06:25:23,498 INFO L130 BoogieDeclarations]: Found specification of procedure getWaterLevel [2020-09-25 06:25:23,499 INFO L130 BoogieDeclarations]: Found specification of procedure printEnvironment [2020-09-25 06:25:23,499 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-09-25 06:25:23,499 INFO L130 BoogieDeclarations]: Found specification of procedure select_one [2020-09-25 06:25:23,499 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2020-09-25 06:25:23,499 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2020-09-25 06:25:23,499 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2020-09-25 06:25:23,500 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2020-09-25 06:25:23,500 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2020-09-25 06:25:23,500 INFO L130 BoogieDeclarations]: Found specification of procedure printPump [2020-09-25 06:25:23,500 INFO L130 BoogieDeclarations]: Found specification of procedure Specification2 [2020-09-25 06:25:23,500 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2020-09-25 06:25:23,501 INFO L130 BoogieDeclarations]: Found specification of procedure test [2020-09-25 06:25:23,501 INFO L130 BoogieDeclarations]: Found specification of procedure runTest [2020-09-25 06:25:23,501 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-09-25 06:25:23,501 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2020-09-25 06:25:23,501 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2020-09-25 06:25:23,501 INFO L130 BoogieDeclarations]: Found specification of procedure free [2020-09-25 06:25:23,501 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_set [2020-09-25 06:25:23,502 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2020-09-25 06:25:23,502 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2020-09-25 06:25:23,502 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-09-25 06:25:23,502 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2020-09-25 06:25:23,502 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_free [2020-09-25 06:25:23,502 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-09-25 06:25:23,503 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_reset [2020-09-25 06:25:23,503 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~X~int~TO~int [2020-09-25 06:25:23,503 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2020-09-25 06:25:23,503 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__error_stack_mgt [2020-09-25 06:25:23,503 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_arg [2020-09-25 06:25:23,503 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_argtype [2020-09-25 06:25:23,504 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2020-09-25 06:25:23,504 INFO L130 BoogieDeclarations]: Found specification of procedure isPumpRunning [2020-09-25 06:25:23,504 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification4_spec__1 [2020-09-25 06:25:23,504 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump [2020-09-25 06:25:23,504 INFO L130 BoogieDeclarations]: Found specification of procedure deactivatePump [2020-09-25 06:25:23,504 INFO L130 BoogieDeclarations]: Found specification of procedure stopSystem [2020-09-25 06:25:23,505 INFO L130 BoogieDeclarations]: Found specification of procedure startSystem [2020-09-25 06:25:23,505 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment [2020-09-25 06:25:23,505 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__base [2020-09-25 06:25:23,505 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneAlarm [2020-09-25 06:25:23,505 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-09-25 06:25:23,505 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-09-25 06:25:23,506 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-09-25 06:25:24,695 INFO L290 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-09-25 06:25:24,696 INFO L295 CfgBuilder]: Removed 5 assume(true) statements. [2020-09-25 06:25:24,703 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.09 06:25:24 BoogieIcfgContainer [2020-09-25 06:25:24,703 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-09-25 06:25:24,705 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-09-25 06:25:24,705 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-09-25 06:25:24,709 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-09-25 06:25:24,710 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 25.09 06:25:22" (1/3) ... [2020-09-25 06:25:24,711 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@16724a53 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 25.09 06:25:24, skipping insertion in model container [2020-09-25 06:25:24,711 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 06:25:23" (2/3) ... [2020-09-25 06:25:24,711 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@16724a53 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 25.09 06:25:24, skipping insertion in model container [2020-09-25 06:25:24,712 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.09 06:25:24" (3/3) ... [2020-09-25 06:25:24,714 INFO L109 eAbstractionObserver]: Analyzing ICFG minepump_spec4_product08.cil.c [2020-09-25 06:25:24,726 INFO L157 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:Craig_NestedInterpolation Determinization: PREDICATE_ABSTRACTION [2020-09-25 06:25:24,738 INFO L169 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-09-25 06:25:24,762 INFO L251 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-09-25 06:25:24,794 INFO L375 AbstractCegarLoop]: Interprodecural is true [2020-09-25 06:25:24,794 INFO L376 AbstractCegarLoop]: Hoare is true [2020-09-25 06:25:24,794 INFO L377 AbstractCegarLoop]: Compute interpolants for Craig_NestedInterpolation [2020-09-25 06:25:24,794 INFO L378 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-09-25 06:25:24,794 INFO L379 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-09-25 06:25:24,795 INFO L380 AbstractCegarLoop]: Difference is false [2020-09-25 06:25:24,795 INFO L381 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-09-25 06:25:24,795 INFO L385 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-09-25 06:25:24,824 INFO L276 IsEmpty]: Start isEmpty. Operand 279 states. [2020-09-25 06:25:24,843 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 143 [2020-09-25 06:25:24,843 INFO L414 BasicCegarLoop]: Found error trace [2020-09-25 06:25:24,845 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 06:25:24,846 INFO L427 AbstractCegarLoop]: === Iteration 1 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-25 06:25:24,854 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-25 06:25:24,854 INFO L82 PathProgramCache]: Analyzing trace with hash 1039821128, now seen corresponding path program 1 times [2020-09-25 06:25:24,865 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-25 06:25:24,865 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1006398992] [2020-09-25 06:25:24,866 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-25 06:25:25,213 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 06:25:25,351 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 06:25:25,538 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 06:25:26,873 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 06:25:28,032 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 06:25:30,249 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 06:25:30,250 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 173 [2020-09-25 06:25:30,250 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 4 [2020-09-25 06:25:30,250 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5024 [2020-09-25 06:25:30,255 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 06:25:30,256 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-09-25 06:25:30,256 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 06:25:30,257 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 129 [2020-09-25 06:25:30,257 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 06:25:30,257 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 6 [2020-09-25 06:25:30,691 WARN L193 SmtUtils]: Spent 319.00 ms on a formula simplification that was a NOOP. DAG size: 184 [2020-09-25 06:25:30,694 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-25 06:25:30,706 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 06:25:30,716 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 06:25:30,834 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 06:25:30,834 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 85 [2020-09-25 06:25:30,834 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 06:25:30,835 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 126 [2020-09-25 06:25:30,835 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 06:25:30,835 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-09-25 06:25:30,835 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 06:25:30,836 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 06:25:30,836 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 06:25:30,836 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 06:25:30,901 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2020-09-25 06:25:30,902 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 06:25:30,903 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 06:25:30,905 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 06:25:30,905 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 06:25:30,906 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 06:25:30,906 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-25 06:25:30,906 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 06:25:30,907 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-09-25 06:25:30,907 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 06:25:30,907 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 06:25:30,907 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 06:25:30,908 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 06:25:30,910 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 86 [2020-09-25 06:25:30,910 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 06:25:30,912 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 06:25:30,914 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 06:25:30,914 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 06:25:30,914 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 06:25:30,914 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-25 06:25:30,915 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 06:25:30,915 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-09-25 06:25:30,915 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 06:25:30,915 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 06:25:30,916 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 06:25:30,916 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 06:25:30,917 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2020-09-25 06:25:30,918 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 06:25:30,919 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 06:25:30,924 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 06:25:30,924 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 06:25:30,924 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 06:25:30,925 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-09-25 06:25:30,925 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 06:25:30,925 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-09-25 06:25:30,925 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 06:25:30,926 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 06:25:30,926 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 06:25:30,926 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 06:25:30,928 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 99 [2020-09-25 06:25:30,929 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 06:25:30,930 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 06:25:30,932 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 06:25:30,932 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 06:25:30,932 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 06:25:30,933 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-25 06:25:30,933 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 06:25:30,933 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-09-25 06:25:30,933 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 06:25:30,934 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 06:25:30,934 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 06:25:30,934 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 06:25:30,935 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 120 [2020-09-25 06:25:30,937 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 06:25:30,939 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 06:25:30,941 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 06:25:30,941 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 06:25:30,941 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 06:25:30,942 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-25 06:25:30,942 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 06:25:30,942 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-09-25 06:25:30,942 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 06:25:30,942 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-09-25 06:25:30,943 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 06:25:30,943 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 06:25:30,945 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 130 [2020-09-25 06:25:30,946 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 06:25:30,948 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 06:25:30,950 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 06:25:30,950 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 06:25:30,950 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 06:25:30,951 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-25 06:25:30,951 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 06:25:30,951 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-09-25 06:25:30,951 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 06:25:30,954 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-09-25 06:25:30,954 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 06:25:30,954 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 3 [2020-09-25 06:25:30,986 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 06:25:30,987 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1006398992] [2020-09-25 06:25:30,989 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-25 06:25:30,989 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-09-25 06:25:30,990 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [983298905] [2020-09-25 06:25:31,002 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-09-25 06:25:31,002 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-25 06:25:31,021 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-09-25 06:25:31,022 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-09-25 06:25:31,025 INFO L87 Difference]: Start difference. First operand 279 states. Second operand 3 states. [2020-09-25 06:25:32,750 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-25 06:25:32,751 INFO L93 Difference]: Finished difference Result 424 states and 508 transitions. [2020-09-25 06:25:32,751 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-09-25 06:25:32,753 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 142 [2020-09-25 06:25:32,754 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-25 06:25:32,786 INFO L225 Difference]: With dead ends: 424 [2020-09-25 06:25:32,787 INFO L226 Difference]: Without dead ends: 270 [2020-09-25 06:25:32,794 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 06:25:32,819 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 270 states. [2020-09-25 06:25:32,965 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 270 to 228. [2020-09-25 06:25:32,966 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 228 states. [2020-09-25 06:25:32,974 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 228 states to 228 states and 246 transitions. [2020-09-25 06:25:32,977 INFO L78 Accepts]: Start accepts. Automaton has 228 states and 246 transitions. Word has length 142 [2020-09-25 06:25:32,978 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-25 06:25:32,979 INFO L479 AbstractCegarLoop]: Abstraction has 228 states and 246 transitions. [2020-09-25 06:25:32,983 INFO L480 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-09-25 06:25:32,983 INFO L276 IsEmpty]: Start isEmpty. Operand 228 states and 246 transitions. [2020-09-25 06:25:32,994 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 144 [2020-09-25 06:25:32,994 INFO L414 BasicCegarLoop]: Found error trace [2020-09-25 06:25:32,994 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 06:25:32,995 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-09-25 06:25:32,995 INFO L427 AbstractCegarLoop]: === Iteration 2 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-25 06:25:32,995 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-25 06:25:32,996 INFO L82 PathProgramCache]: Analyzing trace with hash -1386345031, now seen corresponding path program 1 times [2020-09-25 06:25:32,996 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-25 06:25:32,996 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [958541286] [2020-09-25 06:25:32,997 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-25 06:25:33,062 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 06:25:33,119 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 06:25:33,218 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 06:25:34,768 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 06:25:35,221 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 06:25:36,195 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 06:25:38,067 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 06:25:38,068 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 174 [2020-09-25 06:25:38,068 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 5 [2020-09-25 06:25:38,068 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5000 [2020-09-25 06:25:38,069 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 06:25:38,069 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-09-25 06:25:38,069 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 06:25:38,069 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 128 [2020-09-25 06:25:38,070 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 3 [2020-09-25 06:25:38,070 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 06:25:38,388 WARN L193 SmtUtils]: Spent 245.00 ms on a formula simplification that was a NOOP. DAG size: 184 [2020-09-25 06:25:38,389 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-25 06:25:38,400 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 06:25:38,411 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 06:25:38,501 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 06:25:38,501 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 85 [2020-09-25 06:25:38,501 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 06:25:38,502 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 98 [2020-09-25 06:25:38,502 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 06:25:38,502 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-09-25 06:25:38,502 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 06:25:38,503 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 06:25:38,503 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 06:25:38,503 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 06:25:38,537 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2020-09-25 06:25:38,538 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 06:25:38,539 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 06:25:38,541 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 06:25:38,541 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 06:25:38,541 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 06:25:38,541 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-25 06:25:38,542 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 06:25:38,542 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-09-25 06:25:38,542 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 06:25:38,542 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 06:25:38,542 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 06:25:38,543 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 06:25:38,545 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 86 [2020-09-25 06:25:38,546 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 06:25:38,547 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 06:25:38,548 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 06:25:38,548 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 06:25:38,549 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 06:25:38,549 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-25 06:25:38,549 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 06:25:38,549 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-09-25 06:25:38,550 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 06:25:38,550 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 06:25:38,550 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 06:25:38,550 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 06:25:38,552 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2020-09-25 06:25:38,553 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 06:25:38,555 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 06:25:38,557 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 06:25:38,558 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 06:25:38,558 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 06:25:38,558 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-25 06:25:38,558 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 06:25:38,558 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-09-25 06:25:38,559 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 06:25:38,559 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 06:25:38,559 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 06:25:38,559 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 06:25:38,561 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 99 [2020-09-25 06:25:38,561 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 06:25:38,563 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 06:25:38,564 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 06:25:38,564 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 06:25:38,564 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 06:25:38,565 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-25 06:25:38,565 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 06:25:38,565 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-09-25 06:25:38,565 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 06:25:38,565 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 06:25:38,566 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 06:25:38,566 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 06:25:38,567 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 121 [2020-09-25 06:25:38,567 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 06:25:38,569 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 06:25:38,570 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 06:25:38,570 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 06:25:38,571 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 06:25:38,571 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-25 06:25:38,571 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 06:25:38,571 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-09-25 06:25:38,572 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 06:25:38,572 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-09-25 06:25:38,572 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 06:25:38,572 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 06:25:38,574 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 131 [2020-09-25 06:25:38,574 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 06:25:38,576 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 06:25:38,577 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 06:25:38,578 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 06:25:38,578 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 06:25:38,578 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-25 06:25:38,578 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 06:25:38,579 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-09-25 06:25:38,579 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 06:25:38,579 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-09-25 06:25:38,579 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 06:25:38,579 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 06:25:38,607 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 06:25:38,608 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [958541286] [2020-09-25 06:25:38,608 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-25 06:25:38,608 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2020-09-25 06:25:38,608 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1660111090] [2020-09-25 06:25:38,612 INFO L459 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-09-25 06:25:38,612 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-25 06:25:38,613 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-09-25 06:25:38,613 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2020-09-25 06:25:38,613 INFO L87 Difference]: Start difference. First operand 228 states and 246 transitions. Second operand 4 states. [2020-09-25 06:25:39,409 WARN L193 SmtUtils]: Spent 357.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-09-25 06:25:40,141 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-25 06:25:40,141 INFO L93 Difference]: Finished difference Result 331 states and 371 transitions. [2020-09-25 06:25:40,142 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-09-25 06:25:40,142 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 143 [2020-09-25 06:25:40,143 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-25 06:25:40,146 INFO L225 Difference]: With dead ends: 331 [2020-09-25 06:25:40,146 INFO L226 Difference]: Without dead ends: 253 [2020-09-25 06:25:40,148 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 18 GetRequests, 15 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2020-09-25 06:25:40,149 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 253 states. [2020-09-25 06:25:40,189 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 253 to 218. [2020-09-25 06:25:40,190 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 218 states. [2020-09-25 06:25:40,191 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 218 states to 218 states and 233 transitions. [2020-09-25 06:25:40,191 INFO L78 Accepts]: Start accepts. Automaton has 218 states and 233 transitions. Word has length 143 [2020-09-25 06:25:40,192 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-25 06:25:40,192 INFO L479 AbstractCegarLoop]: Abstraction has 218 states and 233 transitions. [2020-09-25 06:25:40,192 INFO L480 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-09-25 06:25:40,192 INFO L276 IsEmpty]: Start isEmpty. Operand 218 states and 233 transitions. [2020-09-25 06:25:40,194 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 157 [2020-09-25 06:25:40,194 INFO L414 BasicCegarLoop]: Found error trace [2020-09-25 06:25:40,195 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 06:25:40,195 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-09-25 06:25:40,195 INFO L427 AbstractCegarLoop]: === Iteration 3 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-25 06:25:40,195 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-25 06:25:40,195 INFO L82 PathProgramCache]: Analyzing trace with hash -325634180, now seen corresponding path program 1 times [2020-09-25 06:25:40,196 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-25 06:25:40,196 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1174781891] [2020-09-25 06:25:40,196 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-25 06:25:40,242 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 06:25:40,292 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 06:25:40,487 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 06:25:41,417 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 06:25:42,833 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 06:25:45,273 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 06:25:45,273 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 187 [2020-09-25 06:25:45,273 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 4 [2020-09-25 06:25:45,273 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5028 [2020-09-25 06:25:45,274 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 06:25:45,274 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-09-25 06:25:45,274 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 06:25:45,274 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 146 [2020-09-25 06:25:45,274 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-09-25 06:25:45,275 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 06:25:45,579 WARN L193 SmtUtils]: Spent 232.00 ms on a formula simplification that was a NOOP. DAG size: 184 [2020-09-25 06:25:45,581 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-25 06:25:45,591 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 06:25:45,600 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 06:25:45,688 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 06:25:45,688 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 85 [2020-09-25 06:25:45,689 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 06:25:45,689 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 96 [2020-09-25 06:25:45,689 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 06:25:45,689 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-09-25 06:25:45,689 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 06:25:45,690 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 06:25:45,690 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 06:25:45,690 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 06:25:45,720 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2020-09-25 06:25:45,721 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 06:25:45,722 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 06:25:45,724 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 06:25:45,724 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 06:25:45,724 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 06:25:45,724 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-25 06:25:45,725 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 06:25:45,725 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-09-25 06:25:45,725 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 06:25:45,725 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 06:25:45,725 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 06:25:45,726 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 06:25:45,727 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 86 [2020-09-25 06:25:45,727 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 06:25:45,728 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 06:25:45,730 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 06:25:45,730 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 06:25:45,731 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 06:25:45,731 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-25 06:25:45,731 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 06:25:45,731 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-09-25 06:25:45,731 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 06:25:45,732 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 06:25:45,732 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 06:25:45,732 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 06:25:45,733 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2020-09-25 06:25:45,734 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 06:25:45,735 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 06:25:45,739 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 06:25:45,739 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 06:25:45,739 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 06:25:45,740 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-09-25 06:25:45,740 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 06:25:45,740 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-09-25 06:25:45,740 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 06:25:45,741 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 06:25:45,741 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 06:25:45,741 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 06:25:45,743 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 99 [2020-09-25 06:25:45,743 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 06:25:45,745 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 06:25:45,746 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 06:25:45,747 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 06:25:45,747 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 06:25:45,747 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-25 06:25:45,747 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 06:25:45,748 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-09-25 06:25:45,748 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 06:25:45,748 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 06:25:45,748 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 06:25:45,748 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 06:25:45,760 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2020-09-25 06:25:45,761 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 06:25:45,763 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 06:25:45,768 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 06:25:45,768 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-25 06:25:45,768 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 06:25:45,768 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-09-25 06:25:45,769 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 06:25:45,769 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-09-25 06:25:45,769 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 06:25:45,769 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 06:25:45,769 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-09-25 06:25:45,770 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 06:25:45,773 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 134 [2020-09-25 06:25:45,774 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 06:25:45,776 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 06:25:45,778 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 06:25:45,778 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 06:25:45,778 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 06:25:45,778 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-25 06:25:45,779 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 06:25:45,779 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-09-25 06:25:45,779 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 06:25:45,779 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-09-25 06:25:45,779 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 06:25:45,780 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 06:25:45,781 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 144 [2020-09-25 06:25:45,782 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 06:25:45,783 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 06:25:45,785 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 06:25:45,785 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 06:25:45,785 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 06:25:45,785 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-25 06:25:45,786 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 06:25:45,787 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-09-25 06:25:45,787 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 06:25:45,787 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-09-25 06:25:45,787 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 06:25:45,788 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 2 [2020-09-25 06:25:45,823 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 06:25:45,824 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1174781891] [2020-09-25 06:25:45,824 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-25 06:25:45,825 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2020-09-25 06:25:45,825 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1557247276] [2020-09-25 06:25:45,826 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-09-25 06:25:45,827 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-25 06:25:45,827 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-09-25 06:25:45,828 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-09-25 06:25:45,829 INFO L87 Difference]: Start difference. First operand 218 states and 233 transitions. Second operand 5 states. [2020-09-25 06:25:46,592 WARN L193 SmtUtils]: Spent 331.00 ms on a formula simplification that was a NOOP. DAG size: 186 [2020-09-25 06:25:48,294 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-25 06:25:48,294 INFO L93 Difference]: Finished difference Result 500 states and 580 transitions. [2020-09-25 06:25:48,295 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2020-09-25 06:25:48,295 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 156 [2020-09-25 06:25:48,296 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-25 06:25:48,301 INFO L225 Difference]: With dead ends: 500 [2020-09-25 06:25:48,301 INFO L226 Difference]: Without dead ends: 392 [2020-09-25 06:25:48,303 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 23 GetRequests, 18 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=18, Invalid=24, Unknown=0, NotChecked=0, Total=42 [2020-09-25 06:25:48,304 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 392 states. [2020-09-25 06:25:48,421 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 392 to 316. [2020-09-25 06:25:48,422 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 316 states. [2020-09-25 06:25:48,429 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 316 states to 316 states and 347 transitions. [2020-09-25 06:25:48,429 INFO L78 Accepts]: Start accepts. Automaton has 316 states and 347 transitions. Word has length 156 [2020-09-25 06:25:48,431 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-25 06:25:48,431 INFO L479 AbstractCegarLoop]: Abstraction has 316 states and 347 transitions. [2020-09-25 06:25:48,431 INFO L480 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-09-25 06:25:48,431 INFO L276 IsEmpty]: Start isEmpty. Operand 316 states and 347 transitions. [2020-09-25 06:25:48,433 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 162 [2020-09-25 06:25:48,433 INFO L414 BasicCegarLoop]: Found error trace [2020-09-25 06:25:48,434 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 06:25:48,434 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-09-25 06:25:48,434 INFO L427 AbstractCegarLoop]: === Iteration 4 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-25 06:25:48,434 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-25 06:25:48,435 INFO L82 PathProgramCache]: Analyzing trace with hash -1240698141, now seen corresponding path program 1 times [2020-09-25 06:25:48,435 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-25 06:25:48,435 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1280328827] [2020-09-25 06:25:48,435 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-25 06:25:48,493 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 06:25:48,558 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 06:25:49,469 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 06:25:49,729 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 06:25:52,166 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 06:25:53,497 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 06:25:53,497 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 192 [2020-09-25 06:25:53,497 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 4 [2020-09-25 06:25:53,497 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5001 [2020-09-25 06:25:53,497 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 06:25:53,498 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-09-25 06:25:53,498 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 8 [2020-09-25 06:25:53,498 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 150 [2020-09-25 06:25:53,498 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 38 [2020-09-25 06:25:53,498 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 06:25:53,831 WARN L193 SmtUtils]: Spent 254.00 ms on a formula simplification that was a NOOP. DAG size: 184 [2020-09-25 06:25:53,833 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-25 06:25:53,842 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 06:25:53,851 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 06:25:53,936 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 06:25:53,937 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 85 [2020-09-25 06:25:53,937 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 06:25:53,937 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 93 [2020-09-25 06:25:53,937 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 06:25:53,938 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-09-25 06:25:53,938 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 06:25:53,938 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 06:25:53,938 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 06:25:53,938 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 06:25:53,968 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2020-09-25 06:25:53,969 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 06:25:53,970 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 06:25:53,972 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 06:25:53,972 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 06:25:53,972 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 06:25:53,972 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-25 06:25:53,973 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 06:25:53,973 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-09-25 06:25:53,973 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 06:25:53,973 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 06:25:53,974 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 06:25:53,974 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 06:25:53,975 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 86 [2020-09-25 06:25:53,975 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 06:25:53,976 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 06:25:53,978 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 06:25:53,978 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 06:25:53,979 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 06:25:53,979 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-25 06:25:53,979 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 06:25:53,979 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-09-25 06:25:53,979 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 06:25:53,980 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 06:25:53,980 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 06:25:53,980 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 06:25:53,981 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2020-09-25 06:25:53,981 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 06:25:53,982 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 06:25:53,986 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 06:25:53,987 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 06:25:53,987 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 06:25:53,987 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-09-25 06:25:53,987 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 06:25:53,988 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-09-25 06:25:53,988 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 06:25:53,988 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 06:25:53,988 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 06:25:53,989 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 06:25:53,990 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 99 [2020-09-25 06:25:53,991 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 06:25:53,992 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 06:25:53,994 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 06:25:53,994 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 06:25:53,995 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 06:25:53,995 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-25 06:25:53,995 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 06:25:53,995 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-09-25 06:25:53,996 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 06:25:53,996 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 06:25:53,996 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 06:25:53,996 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 06:25:54,011 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 128 [2020-09-25 06:25:54,012 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 06:25:54,013 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 06:25:54,020 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 06:25:54,020 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-09-25 06:25:54,020 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 06:25:54,020 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-09-25 06:25:54,021 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 06:25:54,021 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-09-25 06:25:54,021 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 06:25:54,021 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 06:25:54,021 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-09-25 06:25:54,022 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 06:25:54,024 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 139 [2020-09-25 06:25:54,025 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 06:25:54,026 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 06:25:54,029 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 06:25:54,029 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 06:25:54,030 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 06:25:54,030 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-09-25 06:25:54,030 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 06:25:54,030 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-09-25 06:25:54,030 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 06:25:54,031 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 06:25:54,031 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-09-25 06:25:54,031 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 06:25:54,033 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 149 [2020-09-25 06:25:54,035 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 06:25:54,037 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 06:25:54,046 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 06:25:54,046 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 06:25:54,047 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 06:25:54,047 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 10 [2020-09-25 06:25:54,047 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 06:25:54,047 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-09-25 06:25:54,048 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-09-25 06:25:54,048 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 06:25:54,048 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-09-25 06:25:54,049 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 06:25:54,126 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 06:25:54,127 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1280328827] [2020-09-25 06:25:54,128 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-25 06:25:54,128 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2020-09-25 06:25:54,128 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1691550299] [2020-09-25 06:25:54,129 INFO L459 AbstractCegarLoop]: Interpolant automaton has 9 states [2020-09-25 06:25:54,129 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-25 06:25:54,129 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2020-09-25 06:25:54,130 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=56, Unknown=0, NotChecked=0, Total=72 [2020-09-25 06:25:54,130 INFO L87 Difference]: Start difference. First operand 316 states and 347 transitions. Second operand 9 states. [2020-09-25 06:25:54,650 WARN L193 SmtUtils]: Spent 242.00 ms on a formula simplification that was a NOOP. DAG size: 186 [2020-09-25 06:25:55,742 WARN L193 SmtUtils]: Spent 256.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-09-25 06:25:56,062 WARN L193 SmtUtils]: Spent 281.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-09-25 06:25:56,405 WARN L193 SmtUtils]: Spent 294.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-09-25 06:25:56,739 WARN L193 SmtUtils]: Spent 279.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-09-25 06:25:57,042 WARN L193 SmtUtils]: Spent 276.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-09-25 06:25:57,269 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-25 06:25:57,269 INFO L93 Difference]: Finished difference Result 515 states and 600 transitions. [2020-09-25 06:25:57,269 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2020-09-25 06:25:57,270 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 161 [2020-09-25 06:25:57,270 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-25 06:25:57,271 INFO L225 Difference]: With dead ends: 515 [2020-09-25 06:25:57,271 INFO L226 Difference]: Without dead ends: 0 [2020-09-25 06:25:57,279 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 33 GetRequests, 19 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 16 ImplicationChecksByTransitivity, 2.0s TimeCoverageRelationStatistics Valid=71, Invalid=169, Unknown=0, NotChecked=0, Total=240 [2020-09-25 06:25:57,280 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2020-09-25 06:25:57,280 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2020-09-25 06:25:57,280 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2020-09-25 06:25:57,280 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2020-09-25 06:25:57,282 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 161 [2020-09-25 06:25:57,282 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-25 06:25:57,282 INFO L479 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-09-25 06:25:57,282 INFO L480 AbstractCegarLoop]: Interpolant automaton has 9 states. [2020-09-25 06:25:57,282 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2020-09-25 06:25:57,282 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-09-25 06:25:57,283 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2020-09-25 06:25:57,286 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2020-09-25 06:25:57,501 WARN L193 SmtUtils]: Spent 197.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-09-25 06:25:57,678 WARN L193 SmtUtils]: Spent 176.00 ms on a formula simplification that was a NOOP. DAG size: 186 [2020-09-25 06:25:57,837 WARN L193 SmtUtils]: Spent 157.00 ms on a formula simplification. DAG size of input: 200 DAG size of output: 6 [2020-09-25 06:25:58,005 WARN L193 SmtUtils]: Spent 166.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-09-25 06:25:58,257 WARN L193 SmtUtils]: Spent 251.00 ms on a formula simplification. DAG size of input: 188 DAG size of output: 186 [2020-09-25 06:25:58,577 WARN L193 SmtUtils]: Spent 317.00 ms on a formula simplification. DAG size of input: 191 DAG size of output: 188 [2020-09-25 06:25:58,904 WARN L193 SmtUtils]: Spent 317.00 ms on a formula simplification. DAG size of input: 191 DAG size of output: 188 [2020-09-25 06:25:59,216 WARN L193 SmtUtils]: Spent 310.00 ms on a formula simplification. DAG size of input: 191 DAG size of output: 188 [2020-09-25 06:25:59,381 WARN L193 SmtUtils]: Spent 147.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-09-25 06:25:59,529 WARN L193 SmtUtils]: Spent 143.00 ms on a formula simplification that was a NOOP. DAG size: 186 [2020-09-25 06:25:59,679 WARN L193 SmtUtils]: Spent 148.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-09-25 06:25:59,782 WARN L193 SmtUtils]: Spent 100.00 ms on a formula simplification. DAG size of input: 200 DAG size of output: 6 [2020-09-25 06:25:59,885 WARN L193 SmtUtils]: Spent 101.00 ms on a formula simplification. DAG size of input: 200 DAG size of output: 6 [2020-09-25 06:26:00,033 WARN L193 SmtUtils]: Spent 147.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-09-25 06:26:00,181 WARN L193 SmtUtils]: Spent 147.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-09-25 06:26:00,493 WARN L193 SmtUtils]: Spent 309.00 ms on a formula simplification. DAG size of input: 191 DAG size of output: 187 [2020-09-25 06:26:00,802 WARN L193 SmtUtils]: Spent 308.00 ms on a formula simplification. DAG size of input: 191 DAG size of output: 187 [2020-09-25 06:26:01,116 WARN L193 SmtUtils]: Spent 312.00 ms on a formula simplification. DAG size of input: 191 DAG size of output: 187 [2020-09-25 06:26:01,255 WARN L193 SmtUtils]: Spent 138.00 ms on a formula simplification that was a NOOP. DAG size: 184 [2020-09-25 06:26:01,404 WARN L193 SmtUtils]: Spent 143.00 ms on a formula simplification that was a NOOP. DAG size: 186 [2020-09-25 06:26:01,552 WARN L193 SmtUtils]: Spent 147.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-09-25 06:26:01,695 WARN L193 SmtUtils]: Spent 142.00 ms on a formula simplification that was a NOOP. DAG size: 186 [2020-09-25 06:26:01,845 WARN L193 SmtUtils]: Spent 146.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-09-25 06:26:01,994 WARN L193 SmtUtils]: Spent 147.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-09-25 06:26:02,144 WARN L193 SmtUtils]: Spent 149.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-09-25 06:26:02,298 WARN L193 SmtUtils]: Spent 148.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-09-25 06:26:02,441 WARN L193 SmtUtils]: Spent 142.00 ms on a formula simplification that was a NOOP. DAG size: 186 [2020-09-25 06:26:02,589 WARN L193 SmtUtils]: Spent 147.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-09-25 06:26:02,738 WARN L193 SmtUtils]: Spent 148.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-09-25 06:26:02,883 WARN L193 SmtUtils]: Spent 142.00 ms on a formula simplification that was a NOOP. DAG size: 186 [2020-09-25 06:26:03,031 WARN L193 SmtUtils]: Spent 147.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-09-25 06:26:03,180 WARN L193 SmtUtils]: Spent 147.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-09-25 06:26:03,329 WARN L193 SmtUtils]: Spent 147.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-09-25 06:26:03,472 WARN L193 SmtUtils]: Spent 142.00 ms on a formula simplification that was a NOOP. DAG size: 186 [2020-09-25 06:26:03,621 WARN L193 SmtUtils]: Spent 147.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-09-25 06:26:03,784 WARN L193 SmtUtils]: Spent 147.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-09-25 06:26:03,929 WARN L193 SmtUtils]: Spent 143.00 ms on a formula simplification that was a NOOP. DAG size: 186 [2020-09-25 06:26:04,162 WARN L193 SmtUtils]: Spent 231.00 ms on a formula simplification. DAG size of input: 188 DAG size of output: 186 [2020-09-25 06:26:04,474 WARN L193 SmtUtils]: Spent 308.00 ms on a formula simplification. DAG size of input: 191 DAG size of output: 188 [2020-09-25 06:26:04,801 WARN L193 SmtUtils]: Spent 325.00 ms on a formula simplification. DAG size of input: 191 DAG size of output: 188 [2020-09-25 06:26:05,112 WARN L193 SmtUtils]: Spent 309.00 ms on a formula simplification. DAG size of input: 191 DAG size of output: 188 [2020-09-25 06:26:05,264 WARN L193 SmtUtils]: Spent 149.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-09-25 06:26:05,413 WARN L193 SmtUtils]: Spent 147.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-09-25 06:26:05,558 WARN L193 SmtUtils]: Spent 143.00 ms on a formula simplification that was a NOOP. DAG size: 186 [2020-09-25 06:26:05,707 WARN L193 SmtUtils]: Spent 148.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-09-25 06:26:05,857 WARN L193 SmtUtils]: Spent 147.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-09-25 06:26:06,000 WARN L193 SmtUtils]: Spent 142.00 ms on a formula simplification that was a NOOP. DAG size: 186 [2020-09-25 06:26:06,248 WARN L193 SmtUtils]: Spent 245.00 ms on a formula simplification. DAG size of input: 199 DAG size of output: 6 [2020-09-25 06:26:06,397 WARN L193 SmtUtils]: Spent 148.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-09-25 06:26:06,547 WARN L193 SmtUtils]: Spent 147.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-09-25 06:26:06,692 WARN L193 SmtUtils]: Spent 142.00 ms on a formula simplification that was a NOOP. DAG size: 186 [2020-09-25 06:26:06,945 WARN L193 SmtUtils]: Spent 147.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-09-25 06:26:07,095 WARN L193 SmtUtils]: Spent 147.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-09-25 06:26:07,255 WARN L193 SmtUtils]: Spent 148.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-09-25 06:26:07,402 WARN L193 SmtUtils]: Spent 146.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-09-25 06:26:07,550 WARN L193 SmtUtils]: Spent 147.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-09-25 06:26:07,802 WARN L193 SmtUtils]: Spent 144.00 ms on a formula simplification that was a NOOP. DAG size: 186 [2020-09-25 06:26:07,951 WARN L193 SmtUtils]: Spent 147.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-09-25 06:26:08,099 WARN L193 SmtUtils]: Spent 147.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-09-25 06:26:08,248 WARN L193 SmtUtils]: Spent 147.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-09-25 06:26:08,643 WARN L193 SmtUtils]: Spent 391.00 ms on a formula simplification. DAG size of input: 135 DAG size of output: 7 [2020-09-25 06:26:08,838 WARN L193 SmtUtils]: Spent 182.00 ms on a formula simplification. DAG size of input: 136 DAG size of output: 20 [2020-09-25 06:26:09,237 WARN L193 SmtUtils]: Spent 396.00 ms on a formula simplification. DAG size of input: 136 DAG size of output: 11 [2020-09-25 06:26:09,439 WARN L193 SmtUtils]: Spent 197.00 ms on a formula simplification. DAG size of input: 133 DAG size of output: 1 [2020-09-25 06:26:09,682 WARN L193 SmtUtils]: Spent 208.00 ms on a formula simplification. DAG size of input: 136 DAG size of output: 20 [2020-09-25 06:26:09,890 WARN L193 SmtUtils]: Spent 206.00 ms on a formula simplification. DAG size of input: 136 DAG size of output: 20 [2020-09-25 06:26:10,077 WARN L193 SmtUtils]: Spent 184.00 ms on a formula simplification. DAG size of input: 128 DAG size of output: 8 [2020-09-25 06:26:10,328 WARN L193 SmtUtils]: Spent 249.00 ms on a formula simplification that was a NOOP. DAG size: 184 [2020-09-25 06:26:10,524 WARN L193 SmtUtils]: Spent 188.00 ms on a formula simplification. DAG size of input: 133 DAG size of output: 1 [2020-09-25 06:26:10,897 WARN L193 SmtUtils]: Spent 370.00 ms on a formula simplification. DAG size of input: 136 DAG size of output: 11 [2020-09-25 06:26:11,278 WARN L193 SmtUtils]: Spent 379.00 ms on a formula simplification. DAG size of input: 135 DAG size of output: 7 [2020-09-25 06:26:11,492 WARN L193 SmtUtils]: Spent 200.00 ms on a formula simplification. DAG size of input: 133 DAG size of output: 1 [2020-09-25 06:26:11,814 WARN L193 SmtUtils]: Spent 319.00 ms on a formula simplification. DAG size of input: 134 DAG size of output: 8 [2020-09-25 06:26:12,038 WARN L193 SmtUtils]: Spent 197.00 ms on a formula simplification. DAG size of input: 133 DAG size of output: 1 [2020-09-25 06:26:12,433 WARN L193 SmtUtils]: Spent 392.00 ms on a formula simplification. DAG size of input: 136 DAG size of output: 11