/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_spec1_product12.cil.c -------------------------------------------------------------------------------- This is Ultimate 0.1.25-c90d42b [2020-09-25 06:15:31,368 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-09-25 06:15:31,373 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-09-25 06:15:31,405 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-09-25 06:15:31,405 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-09-25 06:15:31,407 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-09-25 06:15:31,408 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-09-25 06:15:31,410 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-09-25 06:15:31,412 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-09-25 06:15:31,413 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-09-25 06:15:31,414 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-09-25 06:15:31,416 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-09-25 06:15:31,416 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-09-25 06:15:31,417 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-09-25 06:15:31,418 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-09-25 06:15:31,420 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-09-25 06:15:31,421 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-09-25 06:15:31,422 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-09-25 06:15:31,424 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-09-25 06:15:31,426 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-09-25 06:15:31,428 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-09-25 06:15:31,429 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-09-25 06:15:31,430 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-09-25 06:15:31,431 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-09-25 06:15:31,434 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-09-25 06:15:31,434 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-09-25 06:15:31,434 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-09-25 06:15:31,435 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-09-25 06:15:31,436 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-09-25 06:15:31,437 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-09-25 06:15:31,437 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-09-25 06:15:31,438 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-09-25 06:15:31,439 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-09-25 06:15:31,440 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-09-25 06:15:31,441 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-09-25 06:15:31,441 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-09-25 06:15:31,442 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-09-25 06:15:31,442 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-09-25 06:15:31,443 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-09-25 06:15:31,444 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-09-25 06:15:31,445 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-09-25 06:15:31,445 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 06:15:31,471 INFO L113 SettingsManager]: Loading preferences was successful [2020-09-25 06:15:31,471 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-09-25 06:15:31,473 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-09-25 06:15:31,473 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-09-25 06:15:31,473 INFO L138 SettingsManager]: * Use SBE=true [2020-09-25 06:15:31,473 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-09-25 06:15:31,474 INFO L138 SettingsManager]: * sizeof long=4 [2020-09-25 06:15:31,474 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-09-25 06:15:31,474 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-09-25 06:15:31,474 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-09-25 06:15:31,474 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-09-25 06:15:31,475 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-09-25 06:15:31,475 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-09-25 06:15:31,475 INFO L138 SettingsManager]: * sizeof long double=12 [2020-09-25 06:15:31,475 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-09-25 06:15:31,475 INFO L138 SettingsManager]: * Use constant arrays=true [2020-09-25 06:15:31,476 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-09-25 06:15:31,476 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-09-25 06:15:31,476 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-09-25 06:15:31,476 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-09-25 06:15:31,476 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-09-25 06:15:31,477 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-09-25 06:15:31,477 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-09-25 06:15:31,477 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-09-25 06:15:31,477 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-09-25 06:15:31,478 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-09-25 06:15:31,478 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-09-25 06:15:31,478 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-09-25 06:15:31,478 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-09-25 06:15:31,478 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 06:15:32,547 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-09-25 06:15:32,565 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-09-25 06:15:32,570 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-09-25 06:15:32,572 INFO L271 PluginConnector]: Initializing CDTParser... [2020-09-25 06:15:32,572 INFO L275 PluginConnector]: CDTParser initialized [2020-09-25 06:15:32,573 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/product-lines/minepump_spec1_product12.cil.c [2020-09-25 06:15:32,674 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/ab2176b93/8c35dc25f98346cc8370042d056716a2/FLAG5196d656d [2020-09-25 06:15:33,274 INFO L306 CDTParser]: Found 1 translation units. [2020-09-25 06:15:33,275 INFO L160 CDTParser]: Scanning /storage/repos/ultimate-2/trunk/examples/svcomp/product-lines/minepump_spec1_product12.cil.c [2020-09-25 06:15:33,295 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/ab2176b93/8c35dc25f98346cc8370042d056716a2/FLAG5196d656d [2020-09-25 06:15:33,561 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/ab2176b93/8c35dc25f98346cc8370042d056716a2 [2020-09-25 06:15:33,577 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-09-25 06:15:33,583 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-09-25 06:15:33,584 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-09-25 06:15:33,585 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-09-25 06:15:33,592 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-09-25 06:15:33,594 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.09 06:15:33" (1/1) ... [2020-09-25 06:15:33,599 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5db1276a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 06:15:33, skipping insertion in model container [2020-09-25 06:15:33,599 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.09 06:15:33" (1/1) ... [2020-09-25 06:15:33,610 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-09-25 06:15:33,664 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-09-25 06:15:34,020 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-09-25 06:15:34,036 INFO L203 MainTranslator]: Completed pre-run [2020-09-25 06:15:34,243 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-09-25 06:15:34,288 INFO L208 MainTranslator]: Completed translation [2020-09-25 06:15:34,289 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 06:15:34 WrapperNode [2020-09-25 06:15:34,289 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-09-25 06:15:34,290 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-09-25 06:15:34,290 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-09-25 06:15:34,291 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-09-25 06:15:34,305 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 06:15:34" (1/1) ... [2020-09-25 06:15:34,305 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 06:15:34" (1/1) ... [2020-09-25 06:15:34,326 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 06:15:34" (1/1) ... [2020-09-25 06:15:34,327 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 06:15:34" (1/1) ... [2020-09-25 06:15:34,361 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 06:15:34" (1/1) ... [2020-09-25 06:15:34,373 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 06:15:34" (1/1) ... [2020-09-25 06:15:34,379 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 06:15:34" (1/1) ... [2020-09-25 06:15:34,387 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-09-25 06:15:34,387 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-09-25 06:15:34,388 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-09-25 06:15:34,388 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-09-25 06:15:34,389 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 06:15:34" (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 06:15:34,479 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-09-25 06:15:34,479 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-09-25 06:15:34,479 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~X~int~TO~int [2020-09-25 06:15:34,479 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2020-09-25 06:15:34,480 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2020-09-25 06:15:34,480 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment [2020-09-25 06:15:34,480 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump__wrappee__base [2020-09-25 06:15:34,481 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump [2020-09-25 06:15:34,481 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivatePump [2020-09-25 06:15:34,481 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneAlarm [2020-09-25 06:15:34,481 INFO L138 BoogieDeclarations]: Found implementation of procedure isPumpRunning [2020-09-25 06:15:34,481 INFO L138 BoogieDeclarations]: Found implementation of procedure printPump [2020-09-25 06:15:34,481 INFO L138 BoogieDeclarations]: Found implementation of procedure stopSystem [2020-09-25 06:15:34,482 INFO L138 BoogieDeclarations]: Found implementation of procedure startSystem [2020-09-25 06:15:34,482 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2020-09-25 06:15:34,482 INFO L138 BoogieDeclarations]: Found implementation of procedure lowerWaterLevel [2020-09-25 06:15:34,482 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2020-09-25 06:15:34,482 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2020-09-25 06:15:34,483 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2020-09-25 06:15:34,483 INFO L138 BoogieDeclarations]: Found implementation of procedure printEnvironment [2020-09-25 06:15:34,483 INFO L138 BoogieDeclarations]: Found implementation of procedure getWaterLevel [2020-09-25 06:15:34,483 INFO L138 BoogieDeclarations]: Found implementation of procedure select_one [2020-09-25 06:15:34,483 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2020-09-25 06:15:34,483 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2020-09-25 06:15:34,484 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2020-09-25 06:15:34,484 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification1_spec__1 [2020-09-25 06:15:34,484 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_set [2020-09-25 06:15:34,484 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_free [2020-09-25 06:15:34,484 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_reset [2020-09-25 06:15:34,484 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__error_stack_mgt [2020-09-25 06:15:34,485 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_arg [2020-09-25 06:15:34,485 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_argtype [2020-09-25 06:15:34,485 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2020-09-25 06:15:34,485 INFO L138 BoogieDeclarations]: Found implementation of procedure Specification2 [2020-09-25 06:15:34,485 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2020-09-25 06:15:34,485 INFO L138 BoogieDeclarations]: Found implementation of procedure runTest [2020-09-25 06:15:34,486 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-09-25 06:15:34,486 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2020-09-25 06:15:34,486 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2020-09-25 06:15:34,486 INFO L130 BoogieDeclarations]: Found specification of procedure printf [2020-09-25 06:15:34,486 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2020-09-25 06:15:34,487 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2020-09-25 06:15:34,487 INFO L130 BoogieDeclarations]: Found specification of procedure startSystem [2020-09-25 06:15:34,487 INFO L130 BoogieDeclarations]: Found specification of procedure stopSystem [2020-09-25 06:15:34,487 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2020-09-25 06:15:34,487 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2020-09-25 06:15:34,487 INFO L130 BoogieDeclarations]: Found specification of procedure test [2020-09-25 06:15:34,488 INFO L130 BoogieDeclarations]: Found specification of procedure lowerWaterLevel [2020-09-25 06:15:34,488 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2020-09-25 06:15:34,488 INFO L130 BoogieDeclarations]: Found specification of procedure printEnvironment [2020-09-25 06:15:34,488 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump [2020-09-25 06:15:34,488 INFO L130 BoogieDeclarations]: Found specification of procedure deactivatePump [2020-09-25 06:15:34,488 INFO L130 BoogieDeclarations]: Found specification of procedure isPumpRunning [2020-09-25 06:15:34,489 INFO L130 BoogieDeclarations]: Found specification of procedure printPump [2020-09-25 06:15:34,489 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification1_spec__1 [2020-09-25 06:15:34,489 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment [2020-09-25 06:15:34,489 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump__wrappee__base [2020-09-25 06:15:34,489 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneAlarm [2020-09-25 06:15:34,489 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-09-25 06:15:34,490 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2020-09-25 06:15:34,490 INFO L130 BoogieDeclarations]: Found specification of procedure getWaterLevel [2020-09-25 06:15:34,490 INFO L130 BoogieDeclarations]: Found specification of procedure select_one [2020-09-25 06:15:34,490 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2020-09-25 06:15:34,490 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2020-09-25 06:15:34,490 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2020-09-25 06:15:34,491 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2020-09-25 06:15:34,491 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2020-09-25 06:15:34,491 INFO L130 BoogieDeclarations]: Found specification of procedure free [2020-09-25 06:15:34,491 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_set [2020-09-25 06:15:34,491 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2020-09-25 06:15:34,491 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2020-09-25 06:15:34,492 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-09-25 06:15:34,492 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2020-09-25 06:15:34,492 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_free [2020-09-25 06:15:34,492 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-09-25 06:15:34,492 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_reset [2020-09-25 06:15:34,492 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~X~int~TO~int [2020-09-25 06:15:34,493 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2020-09-25 06:15:34,493 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__error_stack_mgt [2020-09-25 06:15:34,493 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_arg [2020-09-25 06:15:34,493 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_argtype [2020-09-25 06:15:34,493 INFO L130 BoogieDeclarations]: Found specification of procedure Specification2 [2020-09-25 06:15:34,493 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2020-09-25 06:15:34,494 INFO L130 BoogieDeclarations]: Found specification of procedure runTest [2020-09-25 06:15:34,494 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-09-25 06:15:34,494 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-09-25 06:15:34,494 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-09-25 06:15:34,494 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-09-25 06:15:35,855 INFO L290 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-09-25 06:15:35,855 INFO L295 CfgBuilder]: Removed 5 assume(true) statements. [2020-09-25 06:15:35,863 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.09 06:15:35 BoogieIcfgContainer [2020-09-25 06:15:35,863 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-09-25 06:15:35,865 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-09-25 06:15:35,865 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-09-25 06:15:35,872 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-09-25 06:15:35,873 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 25.09 06:15:33" (1/3) ... [2020-09-25 06:15:35,874 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7b5b6c46 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 25.09 06:15:35, skipping insertion in model container [2020-09-25 06:15:35,874 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 06:15:34" (2/3) ... [2020-09-25 06:15:35,875 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7b5b6c46 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 25.09 06:15:35, skipping insertion in model container [2020-09-25 06:15:35,875 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.09 06:15:35" (3/3) ... [2020-09-25 06:15:35,877 INFO L109 eAbstractionObserver]: Analyzing ICFG minepump_spec1_product12.cil.c [2020-09-25 06:15:35,891 INFO L157 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:Craig_NestedInterpolation Determinization: PREDICATE_ABSTRACTION [2020-09-25 06:15:35,907 INFO L169 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-09-25 06:15:35,934 INFO L251 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-09-25 06:15:35,982 INFO L375 AbstractCegarLoop]: Interprodecural is true [2020-09-25 06:15:35,982 INFO L376 AbstractCegarLoop]: Hoare is true [2020-09-25 06:15:35,983 INFO L377 AbstractCegarLoop]: Compute interpolants for Craig_NestedInterpolation [2020-09-25 06:15:35,983 INFO L378 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-09-25 06:15:35,983 INFO L379 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-09-25 06:15:35,983 INFO L380 AbstractCegarLoop]: Difference is false [2020-09-25 06:15:35,984 INFO L381 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-09-25 06:15:35,984 INFO L385 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-09-25 06:15:36,031 INFO L276 IsEmpty]: Start isEmpty. Operand 270 states. [2020-09-25 06:15:36,058 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 143 [2020-09-25 06:15:36,059 INFO L414 BasicCegarLoop]: Found error trace [2020-09-25 06:15:36,060 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 06:15:36,061 INFO L427 AbstractCegarLoop]: === Iteration 1 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-25 06:15:36,069 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-25 06:15:36,070 INFO L82 PathProgramCache]: Analyzing trace with hash 1560452623, now seen corresponding path program 1 times [2020-09-25 06:15:36,082 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-25 06:15:36,082 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1094398235] [2020-09-25 06:15:36,083 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-25 06:15:36,509 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 06:15:36,651 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 06:15:36,870 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 06:15:38,257 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 06:15:39,197 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 06:15:40,924 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 06:15:41,567 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 06:15:41,568 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 173 [2020-09-25 06:15:41,568 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 5 [2020-09-25 06:15:41,568 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5048 [2020-09-25 06:15:41,573 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 06:15:41,573 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-09-25 06:15:41,573 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 06:15:41,574 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 129 [2020-09-25 06:15:41,574 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 06:15:41,574 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 5 [2020-09-25 06:15:42,076 WARN L193 SmtUtils]: Spent 329.00 ms on a formula simplification that was a NOOP. DAG size: 184 [2020-09-25 06:15:42,079 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-25 06:15:42,090 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 06:15:42,099 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 06:15:42,222 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 06:15:42,231 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 85 [2020-09-25 06:15:42,232 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 06:15:42,232 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 131 [2020-09-25 06:15:42,233 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 06:15:42,233 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-09-25 06:15:42,233 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 06:15:42,233 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 06:15:42,234 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 06:15:42,234 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 06:15:42,327 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2020-09-25 06:15:42,329 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 06:15:42,331 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 06:15:42,332 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 06:15:42,333 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 06:15:42,333 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 06:15:42,333 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-25 06:15:42,333 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 06:15:42,334 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-09-25 06:15:42,334 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 06:15:42,334 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 06:15:42,334 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 06:15:42,334 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 06:15:42,337 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 86 [2020-09-25 06:15:42,341 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 06:15:42,342 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 06:15:42,344 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 06:15:42,345 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 06:15:42,345 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 06:15:42,345 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-25 06:15:42,345 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 06:15:42,346 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-09-25 06:15:42,346 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 06:15:42,346 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 06:15:42,346 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 06:15:42,347 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 06:15:42,349 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2020-09-25 06:15:42,350 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 06:15:42,352 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 06:15:42,356 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 06:15:42,356 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 06:15:42,357 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 06:15:42,357 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-09-25 06:15:42,357 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 06:15:42,357 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-09-25 06:15:42,358 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 06:15:42,358 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 06:15:42,358 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 06:15:42,358 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 06:15:42,361 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 99 [2020-09-25 06:15:42,362 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 06:15:42,364 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 06:15:42,366 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 06:15:42,366 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 06:15:42,367 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 06:15:42,367 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-25 06:15:42,367 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 06:15:42,368 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-09-25 06:15:42,368 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 06:15:42,368 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 06:15:42,368 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 06:15:42,369 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 06:15:42,370 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 120 [2020-09-25 06:15:42,371 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 06:15:42,373 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 06:15:42,376 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 06:15:42,376 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 06:15:42,376 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 06:15:42,377 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-25 06:15:42,377 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 06:15:42,377 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-09-25 06:15:42,377 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 06:15:42,378 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-09-25 06:15:42,378 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 06:15:42,378 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 06:15:42,381 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 130 [2020-09-25 06:15:42,384 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 06:15:42,386 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 06:15:42,389 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 06:15:42,389 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 06:15:42,389 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 06:15:42,390 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-09-25 06:15:42,390 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 06:15:42,390 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-09-25 06:15:42,390 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 06:15:42,391 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-09-25 06:15:42,391 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 06:15:42,391 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 06:15:42,426 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 06:15:42,427 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1094398235] [2020-09-25 06:15:42,430 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-25 06:15:42,430 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-09-25 06:15:42,431 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [233168777] [2020-09-25 06:15:42,442 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-09-25 06:15:42,442 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-25 06:15:42,461 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-09-25 06:15:42,462 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-09-25 06:15:42,465 INFO L87 Difference]: Start difference. First operand 270 states. Second operand 3 states. [2020-09-25 06:15:43,749 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-25 06:15:43,750 INFO L93 Difference]: Finished difference Result 372 states and 447 transitions. [2020-09-25 06:15:43,751 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-09-25 06:15:43,753 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 142 [2020-09-25 06:15:43,755 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-25 06:15:43,776 INFO L225 Difference]: With dead ends: 372 [2020-09-25 06:15:43,776 INFO L226 Difference]: Without dead ends: 243 [2020-09-25 06:15:43,783 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 06:15:43,814 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 243 states. [2020-09-25 06:15:43,897 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 243 to 203. [2020-09-25 06:15:43,900 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 203 states. [2020-09-25 06:15:43,902 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 203 states to 203 states and 217 transitions. [2020-09-25 06:15:43,905 INFO L78 Accepts]: Start accepts. Automaton has 203 states and 217 transitions. Word has length 142 [2020-09-25 06:15:43,906 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-25 06:15:43,907 INFO L479 AbstractCegarLoop]: Abstraction has 203 states and 217 transitions. [2020-09-25 06:15:43,907 INFO L480 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-09-25 06:15:43,907 INFO L276 IsEmpty]: Start isEmpty. Operand 203 states and 217 transitions. [2020-09-25 06:15:43,911 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 144 [2020-09-25 06:15:43,911 INFO L414 BasicCegarLoop]: Found error trace [2020-09-25 06:15:43,911 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 06:15:43,912 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-09-25 06:15:43,912 INFO L427 AbstractCegarLoop]: === Iteration 2 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-25 06:15:43,912 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-25 06:15:43,913 INFO L82 PathProgramCache]: Analyzing trace with hash -1400986661, now seen corresponding path program 1 times [2020-09-25 06:15:43,913 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-25 06:15:43,913 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [578069973] [2020-09-25 06:15:43,913 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-25 06:15:43,979 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 06:15:44,042 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 06:15:44,145 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 06:15:45,688 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 06:15:46,350 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 06:15:47,774 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 06:15:49,012 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 06:15:49,013 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 174 [2020-09-25 06:15:49,013 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 5 [2020-09-25 06:15:49,013 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5030 [2020-09-25 06:15:49,014 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 06:15:49,014 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-09-25 06:15:49,014 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 06:15:49,015 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 128 [2020-09-25 06:15:49,015 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 3 [2020-09-25 06:15:49,015 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 06:15:49,384 WARN L193 SmtUtils]: Spent 286.00 ms on a formula simplification that was a NOOP. DAG size: 184 [2020-09-25 06:15:49,385 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-25 06:15:49,393 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 06:15:49,405 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 06:15:49,500 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 06:15:49,500 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 85 [2020-09-25 06:15:49,501 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 06:15:49,501 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 106 [2020-09-25 06:15:49,501 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 06:15:49,501 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-09-25 06:15:49,501 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 06:15:49,502 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 06:15:49,502 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 06:15:49,502 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 06:15:49,535 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2020-09-25 06:15:49,536 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 06:15:49,537 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 06:15:49,539 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 06:15:49,539 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 06:15:49,539 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 06:15:49,539 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-25 06:15:49,540 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 06:15:49,540 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-09-25 06:15:49,540 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 06:15:49,540 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 06:15:49,540 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 06:15:49,541 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 06:15:49,542 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 86 [2020-09-25 06:15:49,542 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 06:15:49,543 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 06:15:49,545 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 06:15:49,545 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 06:15:49,545 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 06:15:49,545 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-25 06:15:49,545 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 06:15:49,546 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-09-25 06:15:49,546 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 06:15:49,546 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 06:15:49,546 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 06:15:49,546 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 06:15:49,548 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2020-09-25 06:15:49,549 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 06:15:49,550 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 06:15:49,554 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 06:15:49,554 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 06:15:49,554 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 06:15:49,554 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-09-25 06:15:49,555 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 06:15:49,555 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-09-25 06:15:49,555 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 06:15:49,555 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 06:15:49,556 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 06:15:49,556 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 06:15:49,557 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 99 [2020-09-25 06:15:49,558 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 06:15:49,559 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 06:15:49,560 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 06:15:49,560 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 06:15:49,561 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 06:15:49,561 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-25 06:15:49,561 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 06:15:49,561 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-09-25 06:15:49,561 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 06:15:49,562 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 06:15:49,562 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 06:15:49,562 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 06:15:49,563 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 121 [2020-09-25 06:15:49,564 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 06:15:49,565 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 06:15:49,567 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 06:15:49,567 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 06:15:49,567 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 06:15:49,568 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-25 06:15:49,568 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 06:15:49,568 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-09-25 06:15:49,568 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 06:15:49,569 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-09-25 06:15:49,569 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 06:15:49,569 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 06:15:49,571 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 131 [2020-09-25 06:15:49,571 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 06:15:49,573 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 06:15:49,574 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 06:15:49,574 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 06:15:49,575 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 06:15:49,575 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-25 06:15:49,575 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 06:15:49,575 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-09-25 06:15:49,576 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 06:15:49,576 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-09-25 06:15:49,576 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 06:15:49,576 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 06:15:49,602 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 06:15:49,602 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [578069973] [2020-09-25 06:15:49,603 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-25 06:15:49,603 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2020-09-25 06:15:49,603 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [547722955] [2020-09-25 06:15:49,605 INFO L459 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-09-25 06:15:49,606 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-25 06:15:49,606 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-09-25 06:15:49,606 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2020-09-25 06:15:49,606 INFO L87 Difference]: Start difference. First operand 203 states and 217 transitions. Second operand 4 states. [2020-09-25 06:15:50,249 WARN L193 SmtUtils]: Spent 224.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-09-25 06:15:50,849 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-25 06:15:50,849 INFO L93 Difference]: Finished difference Result 276 states and 308 transitions. [2020-09-25 06:15:50,849 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-09-25 06:15:50,850 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 143 [2020-09-25 06:15:50,851 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-25 06:15:50,853 INFO L225 Difference]: With dead ends: 276 [2020-09-25 06:15:50,853 INFO L226 Difference]: Without dead ends: 226 [2020-09-25 06:15:50,855 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 18 GetRequests, 15 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2020-09-25 06:15:50,856 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 226 states. [2020-09-25 06:15:50,889 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 226 to 193. [2020-09-25 06:15:50,889 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 193 states. [2020-09-25 06:15:50,891 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 193 states to 193 states and 204 transitions. [2020-09-25 06:15:50,891 INFO L78 Accepts]: Start accepts. Automaton has 193 states and 204 transitions. Word has length 143 [2020-09-25 06:15:50,892 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-25 06:15:50,892 INFO L479 AbstractCegarLoop]: Abstraction has 193 states and 204 transitions. [2020-09-25 06:15:50,892 INFO L480 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-09-25 06:15:50,892 INFO L276 IsEmpty]: Start isEmpty. Operand 193 states and 204 transitions. [2020-09-25 06:15:50,894 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 157 [2020-09-25 06:15:50,894 INFO L414 BasicCegarLoop]: Found error trace [2020-09-25 06:15:50,895 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 06:15:50,895 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-09-25 06:15:50,895 INFO L427 AbstractCegarLoop]: === Iteration 3 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-25 06:15:50,895 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-25 06:15:50,896 INFO L82 PathProgramCache]: Analyzing trace with hash 424122096, now seen corresponding path program 1 times [2020-09-25 06:15:50,896 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-25 06:15:50,896 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1767186097] [2020-09-25 06:15:50,897 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-25 06:15:50,945 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 06:15:50,994 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 06:15:51,199 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 06:15:51,930 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 06:15:52,087 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 06:15:55,965 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 06:15:55,966 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 187 [2020-09-25 06:15:55,966 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 4 [2020-09-25 06:15:55,967 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5018 [2020-09-25 06:15:55,967 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 06:15:55,967 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-09-25 06:15:55,968 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 06:15:55,968 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 146 [2020-09-25 06:15:55,969 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-09-25 06:15:55,969 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 06:15:56,342 WARN L193 SmtUtils]: Spent 287.00 ms on a formula simplification that was a NOOP. DAG size: 184 [2020-09-25 06:15:56,343 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-25 06:15:56,352 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 06:15:56,362 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 06:15:56,467 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 06:15:56,468 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 85 [2020-09-25 06:15:56,468 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 06:15:56,468 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 114 [2020-09-25 06:15:56,468 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 06:15:56,468 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-09-25 06:15:56,469 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 06:15:56,469 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 06:15:56,469 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 06:15:56,469 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 06:15:56,507 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2020-09-25 06:15:56,508 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 06:15:56,509 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 06:15:56,511 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 06:15:56,511 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 06:15:56,511 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 06:15:56,512 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-25 06:15:56,512 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 06:15:56,512 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-09-25 06:15:56,512 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 06:15:56,512 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 06:15:56,513 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 06:15:56,513 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 06:15:56,514 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 86 [2020-09-25 06:15:56,515 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 06:15:56,516 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 06:15:56,517 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 06:15:56,517 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 06:15:56,517 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 06:15:56,518 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-25 06:15:56,518 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 06:15:56,518 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-09-25 06:15:56,518 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 06:15:56,519 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 06:15:56,519 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 06:15:56,519 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 06:15:56,520 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2020-09-25 06:15:56,521 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 06:15:56,522 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 06:15:56,525 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 06:15:56,525 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 06:15:56,526 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 06:15:56,526 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-09-25 06:15:56,526 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 06:15:56,526 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-09-25 06:15:56,526 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 06:15:56,527 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 06:15:56,527 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 06:15:56,527 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 06:15:56,529 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 99 [2020-09-25 06:15:56,530 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 06:15:56,531 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 06:15:56,532 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 06:15:56,532 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 06:15:56,532 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 06:15:56,533 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-25 06:15:56,533 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 06:15:56,533 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-09-25 06:15:56,533 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 06:15:56,533 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 06:15:56,534 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 06:15:56,534 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 06:15:56,544 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2020-09-25 06:15:56,545 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 06:15:56,546 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 06:15:56,549 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 06:15:56,550 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-25 06:15:56,551 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 06:15:56,551 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-25 06:15:56,551 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 06:15:56,551 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-09-25 06:15:56,552 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 06:15:56,552 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 06:15:56,552 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-09-25 06:15:56,552 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 06:15:56,555 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 134 [2020-09-25 06:15:56,556 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 06:15:56,557 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 06:15:56,559 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 06:15:56,559 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 06:15:56,559 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 06:15:56,560 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-25 06:15:56,560 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 06:15:56,560 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-09-25 06:15:56,561 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 06:15:56,561 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-09-25 06:15:56,561 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 06:15:56,561 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 06:15:56,566 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 144 [2020-09-25 06:15:56,567 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 06:15:56,568 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 06:15:56,570 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 06:15:56,570 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 06:15:56,571 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 06:15:56,571 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-25 06:15:56,571 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 06:15:56,572 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-09-25 06:15:56,572 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 06:15:56,572 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-09-25 06:15:56,572 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 06:15:56,573 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 06:15:56,602 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 06:15:56,603 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1767186097] [2020-09-25 06:15:56,604 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-25 06:15:56,604 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2020-09-25 06:15:56,604 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [236150408] [2020-09-25 06:15:56,606 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-09-25 06:15:56,606 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-25 06:15:56,607 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-09-25 06:15:56,608 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-09-25 06:15:56,608 INFO L87 Difference]: Start difference. First operand 193 states and 204 transitions. Second operand 5 states. [2020-09-25 06:15:57,109 WARN L193 SmtUtils]: Spent 250.00 ms on a formula simplification that was a NOOP. DAG size: 186 [2020-09-25 06:15:58,388 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-25 06:15:58,388 INFO L93 Difference]: Finished difference Result 421 states and 487 transitions. [2020-09-25 06:15:58,389 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2020-09-25 06:15:58,389 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 156 [2020-09-25 06:15:58,390 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-25 06:15:58,393 INFO L225 Difference]: With dead ends: 421 [2020-09-25 06:15:58,393 INFO L226 Difference]: Without dead ends: 338 [2020-09-25 06:15:58,395 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 23 GetRequests, 18 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=18, Invalid=24, Unknown=0, NotChecked=0, Total=42 [2020-09-25 06:15:58,396 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 338 states. [2020-09-25 06:15:58,445 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 338 to 260. [2020-09-25 06:15:58,446 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 260 states. [2020-09-25 06:15:58,447 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 260 states to 260 states and 281 transitions. [2020-09-25 06:15:58,448 INFO L78 Accepts]: Start accepts. Automaton has 260 states and 281 transitions. Word has length 156 [2020-09-25 06:15:58,449 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-25 06:15:58,449 INFO L479 AbstractCegarLoop]: Abstraction has 260 states and 281 transitions. [2020-09-25 06:15:58,450 INFO L480 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-09-25 06:15:58,450 INFO L276 IsEmpty]: Start isEmpty. Operand 260 states and 281 transitions. [2020-09-25 06:15:58,460 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 160 [2020-09-25 06:15:58,460 INFO L414 BasicCegarLoop]: Found error trace [2020-09-25 06:15:58,461 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-09-25 06:15:58,461 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-09-25 06:15:58,461 INFO L427 AbstractCegarLoop]: === Iteration 4 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-25 06:15:58,461 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-25 06:15:58,462 INFO L82 PathProgramCache]: Analyzing trace with hash -287515457, now seen corresponding path program 1 times [2020-09-25 06:15:58,462 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-25 06:15:58,462 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [265164238] [2020-09-25 06:15:58,462 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-25 06:15:58,517 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 06:15:58,568 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 06:15:59,336 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 06:16:00,738 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 06:16:03,531 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 06:16:03,532 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 192 [2020-09-25 06:16:03,532 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-09-25 06:16:03,532 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5012 [2020-09-25 06:16:03,532 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 06:16:03,532 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-09-25 06:16:03,532 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-09-25 06:16:03,533 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 152 [2020-09-25 06:16:03,533 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 36 [2020-09-25 06:16:03,533 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 06:16:04,024 WARN L193 SmtUtils]: Spent 358.00 ms on a formula simplification that was a NOOP. DAG size: 184 [2020-09-25 06:16:04,026 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-25 06:16:04,036 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 06:16:04,046 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 06:16:04,153 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 06:16:04,154 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 85 [2020-09-25 06:16:04,154 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 06:16:04,154 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 116 [2020-09-25 06:16:04,155 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 06:16:04,155 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-09-25 06:16:04,156 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 06:16:04,156 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 06:16:04,156 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 06:16:04,157 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 06:16:04,199 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2020-09-25 06:16:04,200 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 06:16:04,201 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 06:16:04,203 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 06:16:04,204 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 06:16:04,204 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 06:16:04,204 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-25 06:16:04,205 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 06:16:04,205 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-09-25 06:16:04,206 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 06:16:04,206 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 06:16:04,206 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 06:16:04,207 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 06:16:04,208 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 86 [2020-09-25 06:16:04,208 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 06:16:04,210 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 06:16:04,211 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 06:16:04,211 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 06:16:04,211 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 06:16:04,212 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-25 06:16:04,212 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 06:16:04,212 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-09-25 06:16:04,212 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 06:16:04,212 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 06:16:04,213 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 06:16:04,213 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 06:16:04,214 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2020-09-25 06:16:04,215 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 06:16:04,216 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 06:16:04,219 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 06:16:04,220 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 06:16:04,220 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 06:16:04,221 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-09-25 06:16:04,221 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 06:16:04,221 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-09-25 06:16:04,222 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 06:16:04,222 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 06:16:04,222 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 06:16:04,223 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 06:16:04,226 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 99 [2020-09-25 06:16:04,227 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 06:16:04,228 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 06:16:04,230 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 06:16:04,230 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 06:16:04,230 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 06:16:04,231 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-25 06:16:04,231 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 06:16:04,232 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-09-25 06:16:04,232 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 06:16:04,232 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 06:16:04,233 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 06:16:04,233 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 06:16:04,251 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2020-09-25 06:16:04,252 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 06:16:04,254 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 06:16:04,256 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 06:16:04,256 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-25 06:16:04,256 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 06:16:04,258 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-25 06:16:04,258 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 06:16:04,259 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-09-25 06:16:04,259 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 06:16:04,259 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 06:16:04,259 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 06:16:04,260 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 06:16:04,262 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 131 [2020-09-25 06:16:04,265 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 06:16:04,267 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 06:16:04,270 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 06:16:04,271 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 06:16:04,271 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 06:16:04,271 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-09-25 06:16:04,272 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 06:16:04,272 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-09-25 06:16:04,272 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 06:16:04,273 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 06:16:04,273 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-25 06:16:04,274 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 06:16:04,275 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 137 [2020-09-25 06:16:04,277 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 06:16:04,278 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 06:16:04,283 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 06:16:04,283 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 06:16:04,283 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 06:16:04,284 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-09-25 06:16:04,284 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 06:16:04,285 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-09-25 06:16:04,285 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 06:16:04,285 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 06:16:04,286 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-09-25 06:16:04,286 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 06:16:04,288 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 147 [2020-09-25 06:16:04,290 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 06:16:04,292 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 06:16:04,316 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 06:16:04,316 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 06:16:04,317 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 06:16:04,317 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 25 [2020-09-25 06:16:04,317 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 06:16:04,323 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-09-25 06:16:04,323 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-09-25 06:16:04,324 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 06:16:04,324 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-09-25 06:16:04,324 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 6 [2020-09-25 06:16:04,424 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 06:16:04,426 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [265164238] [2020-09-25 06:16:04,426 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-25 06:16:04,426 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2020-09-25 06:16:04,427 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1435433811] [2020-09-25 06:16:04,428 INFO L459 AbstractCegarLoop]: Interpolant automaton has 9 states [2020-09-25 06:16:04,428 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-25 06:16:04,428 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2020-09-25 06:16:04,429 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=56, Unknown=0, NotChecked=0, Total=72 [2020-09-25 06:16:04,429 INFO L87 Difference]: Start difference. First operand 260 states and 281 transitions. Second operand 9 states. [2020-09-25 06:16:05,161 WARN L193 SmtUtils]: Spent 327.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-09-25 06:16:06,320 WARN L193 SmtUtils]: Spent 283.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-25 06:16:06,648 WARN L193 SmtUtils]: Spent 259.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-25 06:16:06,970 WARN L193 SmtUtils]: Spent 279.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-09-25 06:16:07,300 WARN L193 SmtUtils]: Spent 296.00 ms on a formula simplification that was a NOOP. DAG size: 195 [2020-09-25 06:16:07,600 WARN L193 SmtUtils]: Spent 274.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-09-25 06:16:07,799 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-25 06:16:07,799 INFO L93 Difference]: Finished difference Result 447 states and 515 transitions. [2020-09-25 06:16:07,800 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2020-09-25 06:16:07,800 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 159 [2020-09-25 06:16:07,801 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-25 06:16:07,801 INFO L225 Difference]: With dead ends: 447 [2020-09-25 06:16:07,801 INFO L226 Difference]: Without dead ends: 0 [2020-09-25 06:16:07,805 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 34 GetRequests, 20 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 10 ImplicationChecksByTransitivity, 2.3s TimeCoverageRelationStatistics Valid=71, Invalid=169, Unknown=0, NotChecked=0, Total=240 [2020-09-25 06:16:07,805 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2020-09-25 06:16:07,805 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2020-09-25 06:16:07,805 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2020-09-25 06:16:07,805 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2020-09-25 06:16:07,806 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 159 [2020-09-25 06:16:07,806 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-25 06:16:07,806 INFO L479 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-09-25 06:16:07,806 INFO L480 AbstractCegarLoop]: Interpolant automaton has 9 states. [2020-09-25 06:16:07,806 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2020-09-25 06:16:07,806 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-09-25 06:16:07,807 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2020-09-25 06:16:07,810 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2020-09-25 06:16:07,995 WARN L193 SmtUtils]: Spent 172.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-25 06:16:08,169 WARN L193 SmtUtils]: Spent 164.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-25 06:16:08,306 WARN L193 SmtUtils]: Spent 127.00 ms on a formula simplification. DAG size of input: 201 DAG size of output: 7 [2020-09-25 06:16:08,429 WARN L193 SmtUtils]: Spent 122.00 ms on a formula simplification. DAG size of input: 201 DAG size of output: 7 [2020-09-25 06:16:08,591 WARN L193 SmtUtils]: Spent 159.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-25 06:16:08,921 WARN L193 SmtUtils]: Spent 328.00 ms on a formula simplification. DAG size of input: 192 DAG size of output: 190 [2020-09-25 06:16:09,253 WARN L193 SmtUtils]: Spent 323.00 ms on a formula simplification. DAG size of input: 192 DAG size of output: 190 [2020-09-25 06:16:09,572 WARN L193 SmtUtils]: Spent 317.00 ms on a formula simplification. DAG size of input: 192 DAG size of output: 190 [2020-09-25 06:16:09,811 WARN L193 SmtUtils]: Spent 237.00 ms on a formula simplification. DAG size of input: 189 DAG size of output: 187 [2020-09-25 06:16:09,968 WARN L193 SmtUtils]: Spent 152.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-25 06:16:10,118 WARN L193 SmtUtils]: Spent 147.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-09-25 06:16:10,271 WARN L193 SmtUtils]: Spent 152.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-25 06:16:10,426 WARN L193 SmtUtils]: Spent 152.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-25 06:16:10,592 WARN L193 SmtUtils]: Spent 152.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-25 06:16:10,918 WARN L193 SmtUtils]: Spent 324.00 ms on a formula simplification. DAG size of input: 192 DAG size of output: 190 [2020-09-25 06:16:11,238 WARN L193 SmtUtils]: Spent 313.00 ms on a formula simplification. DAG size of input: 192 DAG size of output: 190 [2020-09-25 06:16:11,553 WARN L193 SmtUtils]: Spent 313.00 ms on a formula simplification. DAG size of input: 192 DAG size of output: 190 [2020-09-25 06:16:11,790 WARN L193 SmtUtils]: Spent 235.00 ms on a formula simplification. DAG size of input: 189 DAG size of output: 187 [2020-09-25 06:16:11,900 WARN L193 SmtUtils]: Spent 106.00 ms on a formula simplification. DAG size of input: 200 DAG size of output: 7 [2020-09-25 06:16:12,055 WARN L193 SmtUtils]: Spent 147.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-09-25 06:16:12,209 WARN L193 SmtUtils]: Spent 152.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-25 06:16:12,368 WARN L193 SmtUtils]: Spent 157.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-25 06:16:12,790 WARN L193 SmtUtils]: Spent 318.00 ms on a formula simplification. DAG size of input: 192 DAG size of output: 188 [2020-09-25 06:16:13,107 WARN L193 SmtUtils]: Spent 316.00 ms on a formula simplification. DAG size of input: 192 DAG size of output: 188 [2020-09-25 06:16:13,425 WARN L193 SmtUtils]: Spent 315.00 ms on a formula simplification. DAG size of input: 192 DAG size of output: 188 [2020-09-25 06:16:13,564 WARN L193 SmtUtils]: Spent 138.00 ms on a formula simplification that was a NOOP. DAG size: 184 [2020-09-25 06:16:13,716 WARN L193 SmtUtils]: Spent 147.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-09-25 06:16:13,869 WARN L193 SmtUtils]: Spent 151.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-25 06:16:14,023 WARN L193 SmtUtils]: Spent 151.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-25 06:16:14,177 WARN L193 SmtUtils]: Spent 151.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-25 06:16:14,329 WARN L193 SmtUtils]: Spent 151.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-25 06:16:14,479 WARN L193 SmtUtils]: Spent 147.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-09-25 06:16:14,634 WARN L193 SmtUtils]: Spent 152.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-25 06:16:14,783 WARN L193 SmtUtils]: Spent 147.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-09-25 06:16:14,937 WARN L193 SmtUtils]: Spent 152.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-25 06:16:15,091 WARN L193 SmtUtils]: Spent 151.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-25 06:16:15,246 WARN L193 SmtUtils]: Spent 152.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-25 06:16:15,400 WARN L193 SmtUtils]: Spent 153.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-25 06:16:15,549 WARN L193 SmtUtils]: Spent 147.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-09-25 06:16:15,715 WARN L193 SmtUtils]: Spent 163.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-25 06:16:15,863 WARN L193 SmtUtils]: Spent 147.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-09-25 06:16:16,016 WARN L193 SmtUtils]: Spent 151.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-25 06:16:16,172 WARN L193 SmtUtils]: Spent 155.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-25 06:16:16,324 WARN L193 SmtUtils]: Spent 151.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-25 06:16:16,428 WARN L193 SmtUtils]: Spent 102.00 ms on a formula simplification. DAG size of input: 200 DAG size of output: 7 [2020-09-25 06:16:16,579 WARN L193 SmtUtils]: Spent 148.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-09-25 06:16:16,732 WARN L193 SmtUtils]: Spent 151.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-25 06:16:16,886 WARN L193 SmtUtils]: Spent 152.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-25 06:16:17,039 WARN L193 SmtUtils]: Spent 151.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-25 06:16:17,188 WARN L193 SmtUtils]: Spent 146.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-09-25 06:16:17,340 WARN L193 SmtUtils]: Spent 151.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-25 06:16:17,656 WARN L193 SmtUtils]: Spent 314.00 ms on a formula simplification. DAG size of input: 192 DAG size of output: 188 [2020-09-25 06:16:17,973 WARN L193 SmtUtils]: Spent 314.00 ms on a formula simplification. DAG size of input: 192 DAG size of output: 188 [2020-09-25 06:16:18,289 WARN L193 SmtUtils]: Spent 315.00 ms on a formula simplification. DAG size of input: 192 DAG size of output: 188 [2020-09-25 06:16:18,542 WARN L193 SmtUtils]: Spent 152.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-25 06:16:18,741 WARN L193 SmtUtils]: Spent 195.00 ms on a formula simplification. DAG size of input: 139 DAG size of output: 22 [2020-09-25 06:16:18,969 WARN L193 SmtUtils]: Spent 209.00 ms on a formula simplification. DAG size of input: 139 DAG size of output: 22 [2020-09-25 06:16:19,388 WARN L193 SmtUtils]: Spent 369.00 ms on a formula simplification. DAG size of input: 136 DAG size of output: 10 [2020-09-25 06:16:19,621 WARN L193 SmtUtils]: Spent 216.00 ms on a formula simplification. DAG size of input: 139 DAG size of output: 22 [2020-09-25 06:16:19,822 WARN L193 SmtUtils]: Spent 199.00 ms on a formula simplification. DAG size of input: 135 DAG size of output: 1 [2020-09-25 06:16:20,033 WARN L193 SmtUtils]: Spent 208.00 ms on a formula simplification. DAG size of input: 139 DAG size of output: 22 [2020-09-25 06:16:20,269 WARN L193 SmtUtils]: Spent 227.00 ms on a formula simplification. DAG size of input: 139 DAG size of output: 22 [2020-09-25 06:16:20,651 WARN L193 SmtUtils]: Spent 379.00 ms on a formula simplification. DAG size of input: 136 DAG size of output: 10 [2020-09-25 06:16:20,864 WARN L193 SmtUtils]: Spent 196.00 ms on a formula simplification. DAG size of input: 135 DAG size of output: 1 [2020-09-25 06:16:21,082 WARN L193 SmtUtils]: Spent 217.00 ms on a formula simplification. DAG size of input: 139 DAG size of output: 22 [2020-09-25 06:16:21,265 WARN L193 SmtUtils]: Spent 168.00 ms on a formula simplification. DAG size of input: 130 DAG size of output: 10 [2020-09-25 06:16:21,509 WARN L193 SmtUtils]: Spent 242.00 ms on a formula simplification that was a NOOP. DAG size: 184 [2020-09-25 06:16:21,721 WARN L193 SmtUtils]: Spent 195.00 ms on a formula simplification. DAG size of input: 135 DAG size of output: 1 [2020-09-25 06:16:22,106 WARN L193 SmtUtils]: Spent 381.00 ms on a formula simplification. DAG size of input: 136 DAG size of output: 10 [2020-09-25 06:16:22,282 WARN L193 SmtUtils]: Spent 156.00 ms on a formula simplification. DAG size of input: 135 DAG size of output: 1 [2020-09-25 06:16:22,668 WARN L193 SmtUtils]: Spent 383.00 ms on a formula simplification. DAG size of input: 136 DAG size of output: 10 [2020-09-25 06:16:22,899 WARN L193 SmtUtils]: Spent 228.00 ms on a formula simplification. DAG size of input: 135 DAG size of output: 1 [2020-09-25 06:16:23,113 WARN L193 SmtUtils]: Spent 212.00 ms on a formula simplification. DAG size of input: 139 DAG size of output: 22 [2020-09-25 06:16:23,351 WARN L193 SmtUtils]: Spent 188.00 ms on a formula simplification. DAG size of input: 135 DAG size of output: 1