/usr/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata ./data -tc ../../../trunk/examples/toolchains/AutomizerC.xml --traceabstraction.trace.refinement.strategy FIXED_PREFERENCES --traceabstraction.compute.interpolants.along.a.counterexample Craig_NestedInterpolation --traceabstraction.smt.solver Internal_SMTInterpol --traceabstraction.compute.trace.for.counterexample.result false --rcfgbuilder.size.of.a.code.block SingleStatement --traceabstraction.use.minimal.unsat.core.enumeration true --traceabstraction.additional.smt.options produce-proofs=true --traceabstraction.additional.smt.options produce-unsat-cores=true --traceabstraction.additional.smt.options enumeration-timeout=5000 --traceabstraction.additional.smt.options interpolation-heuristic=WIDESTAMONGSMALL --traceabstraction.additional.smt.options tolerance=0.6 --traceabstraction.additional.smt.options log-additional-information=true -s ../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf -i ../../../trunk/examples/svcomp/product-lines/minepump_spec4_product12.cil.c -------------------------------------------------------------------------------- This is Ultimate 0.1.25-c90d42b [2020-09-25 06:25:47,206 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-09-25 06:25:47,210 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-09-25 06:25:47,258 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-09-25 06:25:47,259 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-09-25 06:25:47,270 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-09-25 06:25:47,273 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-09-25 06:25:47,277 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-09-25 06:25:47,280 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-09-25 06:25:47,284 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-09-25 06:25:47,285 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-09-25 06:25:47,286 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-09-25 06:25:47,286 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-09-25 06:25:47,290 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-09-25 06:25:47,292 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-09-25 06:25:47,294 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-09-25 06:25:47,296 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-09-25 06:25:47,298 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-09-25 06:25:47,301 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-09-25 06:25:47,309 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-09-25 06:25:47,312 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-09-25 06:25:47,313 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-09-25 06:25:47,314 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-09-25 06:25:47,315 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-09-25 06:25:47,320 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-09-25 06:25:47,320 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-09-25 06:25:47,321 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-09-25 06:25:47,324 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-09-25 06:25:47,325 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-09-25 06:25:47,327 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-09-25 06:25:47,327 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-09-25 06:25:47,328 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-09-25 06:25:47,329 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-09-25 06:25:47,330 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-09-25 06:25:47,331 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-09-25 06:25:47,332 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-09-25 06:25:47,333 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-09-25 06:25:47,333 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-09-25 06:25:47,333 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-09-25 06:25:47,334 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-09-25 06:25:47,336 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-09-25 06:25:47,337 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf [2020-09-25 06:25:47,365 INFO L113 SettingsManager]: Loading preferences was successful [2020-09-25 06:25:47,365 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-09-25 06:25:47,367 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-09-25 06:25:47,367 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-09-25 06:25:47,367 INFO L138 SettingsManager]: * Use SBE=true [2020-09-25 06:25:47,367 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-09-25 06:25:47,368 INFO L138 SettingsManager]: * sizeof long=4 [2020-09-25 06:25:47,368 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-09-25 06:25:47,368 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-09-25 06:25:47,368 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-09-25 06:25:47,369 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-09-25 06:25:47,369 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-09-25 06:25:47,369 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-09-25 06:25:47,369 INFO L138 SettingsManager]: * sizeof long double=12 [2020-09-25 06:25:47,369 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-09-25 06:25:47,369 INFO L138 SettingsManager]: * Use constant arrays=true [2020-09-25 06:25:47,370 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-09-25 06:25:47,370 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-09-25 06:25:47,370 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-09-25 06:25:47,370 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-09-25 06:25:47,371 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-09-25 06:25:47,371 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-09-25 06:25:47,371 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-09-25 06:25:47,371 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-09-25 06:25:47,371 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-09-25 06:25:47,372 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-09-25 06:25:47,372 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-09-25 06:25:47,372 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-09-25 06:25:47,372 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-09-25 06:25:47,372 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Trace refinement strategy -> FIXED_PREFERENCES Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute Interpolants along a Counterexample -> Craig_NestedInterpolation Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: SMT solver -> Internal_SMTInterpol Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute trace for counterexample result -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder: Size of a code block -> SingleStatement Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Use minimal unsat core enumeration -> true Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=5000;interpolation-heuristic=WIDESTAMONGSMALL;tolerance=0.6;log-additional-information=true; Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=5000;interpolation-heuristic=WIDESTAMONGSMALL;tolerance=0.6;log-additional-information=true; Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=5000;interpolation-heuristic=WIDESTAMONGSMALL;tolerance=0.6;log-additional-information=true; Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=5000;interpolation-heuristic=WIDESTAMONGSMALL;tolerance=0.6;log-additional-information=true; Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=5000;interpolation-heuristic=WIDESTAMONGSMALL;tolerance=0.6;log-additional-information=true; Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=5000;interpolation-heuristic=WIDESTAMONGSMALL;tolerance=0.6;log-additional-information=true; [2020-09-25 06:25:47,825 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-09-25 06:25:47,843 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-09-25 06:25:47,847 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-09-25 06:25:47,849 INFO L271 PluginConnector]: Initializing CDTParser... [2020-09-25 06:25:47,850 INFO L275 PluginConnector]: CDTParser initialized [2020-09-25 06:25:47,851 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/product-lines/minepump_spec4_product12.cil.c [2020-09-25 06:25:47,933 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/4e4236989/2e8619160e6e4ba39194b88a25ae1ceb/FLAGfcc99d717 [2020-09-25 06:25:48,568 INFO L306 CDTParser]: Found 1 translation units. [2020-09-25 06:25:48,571 INFO L160 CDTParser]: Scanning /storage/repos/ultimate-2/trunk/examples/svcomp/product-lines/minepump_spec4_product12.cil.c [2020-09-25 06:25:48,602 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/4e4236989/2e8619160e6e4ba39194b88a25ae1ceb/FLAGfcc99d717 [2020-09-25 06:25:48,815 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/4e4236989/2e8619160e6e4ba39194b88a25ae1ceb [2020-09-25 06:25:48,831 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-09-25 06:25:48,837 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-09-25 06:25:48,842 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-09-25 06:25:48,842 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-09-25 06:25:48,847 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-09-25 06:25:48,849 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.09 06:25:48" (1/1) ... [2020-09-25 06:25:48,854 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@277364e7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 06:25:48, skipping insertion in model container [2020-09-25 06:25:48,855 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.09 06:25:48" (1/1) ... [2020-09-25 06:25:48,870 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-09-25 06:25:48,947 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-09-25 06:25:49,415 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-09-25 06:25:49,431 INFO L203 MainTranslator]: Completed pre-run [2020-09-25 06:25:49,539 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-09-25 06:25:49,576 INFO L208 MainTranslator]: Completed translation [2020-09-25 06:25:49,577 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 06:25:49 WrapperNode [2020-09-25 06:25:49,577 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-09-25 06:25:49,578 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-09-25 06:25:49,578 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-09-25 06:25:49,579 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-09-25 06:25:49,593 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 06:25:49" (1/1) ... [2020-09-25 06:25:49,595 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 06:25:49" (1/1) ... [2020-09-25 06:25:49,617 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 06:25:49" (1/1) ... [2020-09-25 06:25:49,618 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 06:25:49" (1/1) ... [2020-09-25 06:25:49,651 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 06:25:49" (1/1) ... [2020-09-25 06:25:49,663 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 06:25:49" (1/1) ... [2020-09-25 06:25:49,669 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 06:25:49" (1/1) ... [2020-09-25 06:25:49,677 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-09-25 06:25:49,677 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-09-25 06:25:49,678 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-09-25 06:25:49,678 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-09-25 06:25:49,680 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 06:25:49" (1/1) ... No working directory specified, using /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-09-25 06:25:49,767 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-09-25 06:25:49,767 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-09-25 06:25:49,767 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~X~int~TO~int [2020-09-25 06:25:49,768 INFO L138 BoogieDeclarations]: Found implementation of procedure lowerWaterLevel [2020-09-25 06:25:49,768 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2020-09-25 06:25:49,768 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2020-09-25 06:25:49,768 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2020-09-25 06:25:49,768 INFO L138 BoogieDeclarations]: Found implementation of procedure printEnvironment [2020-09-25 06:25:49,768 INFO L138 BoogieDeclarations]: Found implementation of procedure getWaterLevel [2020-09-25 06:25:49,769 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification4_spec__1 [2020-09-25 06:25:49,769 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2020-09-25 06:25:49,769 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2020-09-25 06:25:49,769 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment [2020-09-25 06:25:49,770 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump__wrappee__base [2020-09-25 06:25:49,770 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump [2020-09-25 06:25:49,770 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivatePump [2020-09-25 06:25:49,770 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneAlarm [2020-09-25 06:25:49,770 INFO L138 BoogieDeclarations]: Found implementation of procedure isPumpRunning [2020-09-25 06:25:49,771 INFO L138 BoogieDeclarations]: Found implementation of procedure printPump [2020-09-25 06:25:49,771 INFO L138 BoogieDeclarations]: Found implementation of procedure stopSystem [2020-09-25 06:25:49,771 INFO L138 BoogieDeclarations]: Found implementation of procedure startSystem [2020-09-25 06:25:49,771 INFO L138 BoogieDeclarations]: Found implementation of procedure select_one [2020-09-25 06:25:49,771 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2020-09-25 06:25:49,772 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2020-09-25 06:25:49,772 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2020-09-25 06:25:49,772 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2020-09-25 06:25:49,772 INFO L138 BoogieDeclarations]: Found implementation of procedure Specification2 [2020-09-25 06:25:49,772 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2020-09-25 06:25:49,772 INFO L138 BoogieDeclarations]: Found implementation of procedure runTest [2020-09-25 06:25:49,772 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-09-25 06:25:49,773 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_set [2020-09-25 06:25:49,773 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_free [2020-09-25 06:25:49,773 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_reset [2020-09-25 06:25:49,773 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__error_stack_mgt [2020-09-25 06:25:49,773 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_arg [2020-09-25 06:25:49,773 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_argtype [2020-09-25 06:25:49,774 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2020-09-25 06:25:49,774 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2020-09-25 06:25:49,774 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2020-09-25 06:25:49,774 INFO L130 BoogieDeclarations]: Found specification of procedure printf [2020-09-25 06:25:49,774 INFO L130 BoogieDeclarations]: Found specification of procedure lowerWaterLevel [2020-09-25 06:25:49,774 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2020-09-25 06:25:49,775 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2020-09-25 06:25:49,775 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2020-09-25 06:25:49,775 INFO L130 BoogieDeclarations]: Found specification of procedure getWaterLevel [2020-09-25 06:25:49,775 INFO L130 BoogieDeclarations]: Found specification of procedure printEnvironment [2020-09-25 06:25:49,775 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-09-25 06:25:49,775 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2020-09-25 06:25:49,776 INFO L130 BoogieDeclarations]: Found specification of procedure isPumpRunning [2020-09-25 06:25:49,776 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification4_spec__1 [2020-09-25 06:25:49,776 INFO L130 BoogieDeclarations]: Found specification of procedure startSystem [2020-09-25 06:25:49,776 INFO L130 BoogieDeclarations]: Found specification of procedure stopSystem [2020-09-25 06:25:49,776 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2020-09-25 06:25:49,777 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2020-09-25 06:25:49,777 INFO L130 BoogieDeclarations]: Found specification of procedure test [2020-09-25 06:25:49,777 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump [2020-09-25 06:25:49,777 INFO L130 BoogieDeclarations]: Found specification of procedure deactivatePump [2020-09-25 06:25:49,777 INFO L130 BoogieDeclarations]: Found specification of procedure printPump [2020-09-25 06:25:49,777 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment [2020-09-25 06:25:49,778 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump__wrappee__base [2020-09-25 06:25:49,778 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneAlarm [2020-09-25 06:25:49,778 INFO L130 BoogieDeclarations]: Found specification of procedure select_one [2020-09-25 06:25:49,778 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2020-09-25 06:25:49,778 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2020-09-25 06:25:49,778 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2020-09-25 06:25:49,779 INFO L130 BoogieDeclarations]: Found specification of procedure Specification2 [2020-09-25 06:25:49,779 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2020-09-25 06:25:49,779 INFO L130 BoogieDeclarations]: Found specification of procedure runTest [2020-09-25 06:25:49,779 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-09-25 06:25:49,779 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2020-09-25 06:25:49,779 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2020-09-25 06:25:49,780 INFO L130 BoogieDeclarations]: Found specification of procedure free [2020-09-25 06:25:49,780 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_set [2020-09-25 06:25:49,780 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2020-09-25 06:25:49,780 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2020-09-25 06:25:49,780 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-09-25 06:25:49,780 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2020-09-25 06:25:49,780 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_free [2020-09-25 06:25:49,781 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-09-25 06:25:49,781 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_reset [2020-09-25 06:25:49,781 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~X~int~TO~int [2020-09-25 06:25:49,781 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2020-09-25 06:25:49,781 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__error_stack_mgt [2020-09-25 06:25:49,782 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_arg [2020-09-25 06:25:49,782 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_argtype [2020-09-25 06:25:49,782 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-09-25 06:25:49,782 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-09-25 06:25:49,782 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-09-25 06:25:50,941 INFO L290 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-09-25 06:25:50,941 INFO L295 CfgBuilder]: Removed 5 assume(true) statements. [2020-09-25 06:25:50,949 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.09 06:25:50 BoogieIcfgContainer [2020-09-25 06:25:50,949 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-09-25 06:25:50,951 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-09-25 06:25:50,951 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-09-25 06:25:50,955 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-09-25 06:25:50,955 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 25.09 06:25:48" (1/3) ... [2020-09-25 06:25:50,956 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@36345fbe and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 25.09 06:25:50, skipping insertion in model container [2020-09-25 06:25:50,956 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 06:25:49" (2/3) ... [2020-09-25 06:25:50,957 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@36345fbe and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 25.09 06:25:50, skipping insertion in model container [2020-09-25 06:25:50,957 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.09 06:25:50" (3/3) ... [2020-09-25 06:25:50,959 INFO L109 eAbstractionObserver]: Analyzing ICFG minepump_spec4_product12.cil.c [2020-09-25 06:25:50,972 INFO L157 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:Craig_NestedInterpolation Determinization: PREDICATE_ABSTRACTION [2020-09-25 06:25:50,984 INFO L169 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-09-25 06:25:51,006 INFO L251 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-09-25 06:25:51,039 INFO L375 AbstractCegarLoop]: Interprodecural is true [2020-09-25 06:25:51,039 INFO L376 AbstractCegarLoop]: Hoare is true [2020-09-25 06:25:51,039 INFO L377 AbstractCegarLoop]: Compute interpolants for Craig_NestedInterpolation [2020-09-25 06:25:51,040 INFO L378 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-09-25 06:25:51,040 INFO L379 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-09-25 06:25:51,040 INFO L380 AbstractCegarLoop]: Difference is false [2020-09-25 06:25:51,040 INFO L381 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-09-25 06:25:51,040 INFO L385 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-09-25 06:25:51,066 INFO L276 IsEmpty]: Start isEmpty. Operand 254 states. [2020-09-25 06:25:51,082 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 143 [2020-09-25 06:25:51,082 INFO L414 BasicCegarLoop]: Found error trace [2020-09-25 06:25:51,084 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-09-25 06:25:51,085 INFO L427 AbstractCegarLoop]: === Iteration 1 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-25 06:25:51,091 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-25 06:25:51,092 INFO L82 PathProgramCache]: Analyzing trace with hash -2088728363, now seen corresponding path program 1 times [2020-09-25 06:25:51,103 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-25 06:25:51,103 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1470320918] [2020-09-25 06:25:51,104 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-25 06:25:51,413 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 06:25:51,624 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 06:25:51,866 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 06:25:53,440 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 06:25:54,522 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 06:25:56,415 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 06:25:56,491 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 06:25:56,492 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 173 [2020-09-25 06:25:56,492 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 5 [2020-09-25 06:25:56,492 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5062 [2020-09-25 06:25:56,497 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 06:25:56,498 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-09-25 06:25:56,498 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 06:25:56,498 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 129 [2020-09-25 06:25:56,499 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 06:25:56,500 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 7 [2020-09-25 06:25:56,948 WARN L193 SmtUtils]: Spent 311.00 ms on a formula simplification that was a NOOP. DAG size: 184 [2020-09-25 06:25:56,953 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-25 06:25:56,975 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 06:25:56,987 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 06:25:57,111 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 06:25:57,119 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 85 [2020-09-25 06:25:57,119 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 06:25:57,119 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 134 [2020-09-25 06:25:57,120 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 06:25:57,120 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-09-25 06:25:57,120 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 06:25:57,120 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 06:25:57,121 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 06:25:57,121 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 06:25:57,200 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2020-09-25 06:25:57,202 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 06:25:57,205 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 06:25:57,208 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 06:25:57,208 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 06:25:57,208 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 06:25:57,208 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-09-25 06:25:57,209 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 06:25:57,209 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-09-25 06:25:57,209 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 06:25:57,209 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 06:25:57,209 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 06:25:57,210 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 06:25:57,212 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 86 [2020-09-25 06:25:57,216 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 06:25:57,217 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 06:25:57,220 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 06:25:57,220 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 06:25:57,220 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 06:25:57,221 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-25 06:25:57,221 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 06:25:57,221 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-09-25 06:25:57,221 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 06:25:57,222 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 06:25:57,222 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 06:25:57,222 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 06:25:57,224 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2020-09-25 06:25:57,225 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 06:25:57,227 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 06:25:57,232 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 06:25:57,232 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 06:25:57,233 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 06:25:57,233 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-09-25 06:25:57,233 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 06:25:57,233 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-09-25 06:25:57,234 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 06:25:57,234 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 06:25:57,234 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 06:25:57,234 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 06:25:57,237 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 99 [2020-09-25 06:25:57,237 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 06:25:57,239 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 06:25:57,241 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 06:25:57,241 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 06:25:57,241 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 06:25:57,242 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-25 06:25:57,242 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 06:25:57,242 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-09-25 06:25:57,242 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 06:25:57,243 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 06:25:57,243 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 06:25:57,243 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 06:25:57,244 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 120 [2020-09-25 06:25:57,245 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 06:25:57,247 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 06:25:57,249 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 06:25:57,249 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 06:25:57,249 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 06:25:57,250 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-25 06:25:57,250 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 06:25:57,250 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-09-25 06:25:57,250 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 06:25:57,251 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-09-25 06:25:57,251 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 06:25:57,251 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 06:25:57,253 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 130 [2020-09-25 06:25:57,257 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 06:25:57,258 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 06:25:57,260 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 06:25:57,261 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 06:25:57,261 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 06:25:57,261 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-25 06:25:57,261 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 06:25:57,262 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-09-25 06:25:57,262 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 06:25:57,262 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-09-25 06:25:57,262 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 06:25:57,263 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 06:25:57,297 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-09-25 06:25:57,298 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1470320918] [2020-09-25 06:25:57,301 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-25 06:25:57,301 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-09-25 06:25:57,302 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [389487811] [2020-09-25 06:25:57,313 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-09-25 06:25:57,314 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-25 06:25:57,331 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-09-25 06:25:57,332 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-09-25 06:25:57,335 INFO L87 Difference]: Start difference. First operand 254 states. Second operand 3 states. [2020-09-25 06:25:58,588 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-25 06:25:58,589 INFO L93 Difference]: Finished difference Result 372 states and 447 transitions. [2020-09-25 06:25:58,589 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-09-25 06:25:58,591 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 142 [2020-09-25 06:25:58,592 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-25 06:25:58,610 INFO L225 Difference]: With dead ends: 372 [2020-09-25 06:25:58,610 INFO L226 Difference]: Without dead ends: 243 [2020-09-25 06:25:58,615 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 16 GetRequests, 15 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-09-25 06:25:58,637 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 243 states. [2020-09-25 06:25:58,706 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 243 to 203. [2020-09-25 06:25:58,708 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 203 states. [2020-09-25 06:25:58,711 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 203 states to 203 states and 217 transitions. [2020-09-25 06:25:58,715 INFO L78 Accepts]: Start accepts. Automaton has 203 states and 217 transitions. Word has length 142 [2020-09-25 06:25:58,716 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-25 06:25:58,716 INFO L479 AbstractCegarLoop]: Abstraction has 203 states and 217 transitions. [2020-09-25 06:25:58,716 INFO L480 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-09-25 06:25:58,717 INFO L276 IsEmpty]: Start isEmpty. Operand 203 states and 217 transitions. [2020-09-25 06:25:58,724 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 144 [2020-09-25 06:25:58,725 INFO L414 BasicCegarLoop]: Found error trace [2020-09-25 06:25:58,725 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-09-25 06:25:58,725 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-09-25 06:25:58,726 INFO L427 AbstractCegarLoop]: === Iteration 2 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-25 06:25:58,726 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-25 06:25:58,726 INFO L82 PathProgramCache]: Analyzing trace with hash 1370404509, now seen corresponding path program 1 times [2020-09-25 06:25:58,726 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-25 06:25:58,727 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [261680787] [2020-09-25 06:25:58,727 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-25 06:25:58,785 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 06:25:58,839 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 06:25:58,957 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 06:26:00,364 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 06:26:01,052 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 06:26:03,804 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 06:26:03,804 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 174 [2020-09-25 06:26:03,805 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 4 [2020-09-25 06:26:03,805 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5015 [2020-09-25 06:26:03,805 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 06:26:03,805 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-09-25 06:26:03,806 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 06:26:03,806 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 128 [2020-09-25 06:26:03,806 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 3 [2020-09-25 06:26:03,806 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 06:26:04,094 WARN L193 SmtUtils]: Spent 224.00 ms on a formula simplification that was a NOOP. DAG size: 184 [2020-09-25 06:26:04,095 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-25 06:26:04,106 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 06:26:04,115 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 06:26:04,208 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 06:26:04,208 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 85 [2020-09-25 06:26:04,208 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 06:26:04,208 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 101 [2020-09-25 06:26:04,209 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 06:26:04,209 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-09-25 06:26:04,209 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 06:26:04,209 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 06:26:04,210 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 06:26:04,210 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 06:26:04,243 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2020-09-25 06:26:04,244 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 06:26:04,245 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 06:26:04,246 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 06:26:04,246 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 06:26:04,247 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 06:26:04,247 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-25 06:26:04,247 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 06:26:04,247 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-09-25 06:26:04,248 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 06:26:04,248 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 06:26:04,248 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 06:26:04,248 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 06:26:04,251 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 86 [2020-09-25 06:26:04,252 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 06:26:04,253 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 06:26:04,254 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 06:26:04,255 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 06:26:04,255 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 06:26:04,255 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-25 06:26:04,256 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 06:26:04,256 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-09-25 06:26:04,256 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 06:26:04,256 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 06:26:04,257 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 06:26:04,257 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 06:26:04,259 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2020-09-25 06:26:04,260 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 06:26:04,262 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 06:26:04,266 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 06:26:04,267 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 06:26:04,267 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 06:26:04,267 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-09-25 06:26:04,267 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 06:26:04,267 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-09-25 06:26:04,268 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 06:26:04,268 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 06:26:04,268 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 06:26:04,268 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 06:26:04,270 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 99 [2020-09-25 06:26:04,270 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 06:26:04,271 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 06:26:04,273 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 06:26:04,273 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 06:26:04,273 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 06:26:04,273 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-25 06:26:04,274 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 06:26:04,274 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-09-25 06:26:04,274 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 06:26:04,274 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 06:26:04,275 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 06:26:04,275 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 06:26:04,276 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 121 [2020-09-25 06:26:04,277 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 06:26:04,279 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 06:26:04,280 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 06:26:04,280 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 06:26:04,281 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 06:26:04,281 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-25 06:26:04,281 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 06:26:04,282 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-09-25 06:26:04,282 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 06:26:04,282 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-09-25 06:26:04,282 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 06:26:04,282 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 06:26:04,284 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 131 [2020-09-25 06:26:04,285 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 06:26:04,286 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 06:26:04,288 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 06:26:04,289 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 06:26:04,289 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 06:26:04,289 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-25 06:26:04,289 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 06:26:04,290 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-09-25 06:26:04,290 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 06:26:04,290 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-09-25 06:26:04,290 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 06:26:04,291 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 06:26:04,359 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 06:26:04,360 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [261680787] [2020-09-25 06:26:04,360 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-25 06:26:04,361 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2020-09-25 06:26:04,361 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1807657906] [2020-09-25 06:26:04,364 INFO L459 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-09-25 06:26:04,364 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-25 06:26:04,366 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-09-25 06:26:04,370 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2020-09-25 06:26:04,370 INFO L87 Difference]: Start difference. First operand 203 states and 217 transitions. Second operand 4 states. [2020-09-25 06:26:05,026 WARN L193 SmtUtils]: Spent 265.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-09-25 06:26:05,615 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-25 06:26:05,615 INFO L93 Difference]: Finished difference Result 276 states and 308 transitions. [2020-09-25 06:26:05,616 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-09-25 06:26:05,616 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 143 [2020-09-25 06:26:05,617 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-25 06:26:05,620 INFO L225 Difference]: With dead ends: 276 [2020-09-25 06:26:05,620 INFO L226 Difference]: Without dead ends: 226 [2020-09-25 06:26:05,622 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 06:26:05,623 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 226 states. [2020-09-25 06:26:05,657 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 226 to 193. [2020-09-25 06:26:05,658 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 193 states. [2020-09-25 06:26:05,659 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 193 states to 193 states and 204 transitions. [2020-09-25 06:26:05,659 INFO L78 Accepts]: Start accepts. Automaton has 193 states and 204 transitions. Word has length 143 [2020-09-25 06:26:05,660 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-25 06:26:05,660 INFO L479 AbstractCegarLoop]: Abstraction has 193 states and 204 transitions. [2020-09-25 06:26:05,660 INFO L480 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-09-25 06:26:05,660 INFO L276 IsEmpty]: Start isEmpty. Operand 193 states and 204 transitions. [2020-09-25 06:26:05,663 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 157 [2020-09-25 06:26:05,663 INFO L414 BasicCegarLoop]: Found error trace [2020-09-25 06:26:05,664 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 06:26:05,664 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-09-25 06:26:05,664 INFO L427 AbstractCegarLoop]: === Iteration 3 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-25 06:26:05,664 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-25 06:26:05,665 INFO L82 PathProgramCache]: Analyzing trace with hash -896375928, now seen corresponding path program 1 times [2020-09-25 06:26:05,665 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-25 06:26:05,665 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1283863315] [2020-09-25 06:26:05,666 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-25 06:26:05,710 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 06:26:05,761 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 06:26:05,994 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 06:26:06,811 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 06:26:08,144 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 06:26:10,731 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 06:26:10,731 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 187 [2020-09-25 06:26:10,731 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 4 [2020-09-25 06:26:10,731 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5017 [2020-09-25 06:26:10,732 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 06:26:10,732 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-09-25 06:26:10,732 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 06:26:10,732 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 146 [2020-09-25 06:26:10,732 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-09-25 06:26:10,732 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 06:26:11,102 WARN L193 SmtUtils]: Spent 279.00 ms on a formula simplification that was a NOOP. DAG size: 184 [2020-09-25 06:26:11,103 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-25 06:26:11,111 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 06:26:11,121 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 06:26:11,210 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 06:26:11,211 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 85 [2020-09-25 06:26:11,211 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 06:26:11,211 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 97 [2020-09-25 06:26:11,211 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 06:26:11,212 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-09-25 06:26:11,212 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 06:26:11,212 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 06:26:11,212 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 06:26:11,212 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 06:26:11,251 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2020-09-25 06:26:11,252 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 06:26:11,253 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 06:26:11,255 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 06:26:11,255 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 06:26:11,255 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 06:26:11,255 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-25 06:26:11,255 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 06:26:11,256 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-09-25 06:26:11,256 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 06:26:11,256 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 06:26:11,256 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 06:26:11,256 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 06:26:11,257 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 86 [2020-09-25 06:26:11,258 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 06:26:11,259 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 06:26:11,269 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 06:26:11,270 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 06:26:11,270 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 06:26:11,270 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 11 [2020-09-25 06:26:11,270 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 06:26:11,271 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-09-25 06:26:11,271 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 06:26:11,271 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 06:26:11,271 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 06:26:11,271 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 06:26:11,273 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2020-09-25 06:26:11,274 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 06:26:11,275 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 06:26:11,280 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 06:26:11,280 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 06:26:11,280 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 06:26:11,281 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-09-25 06:26:11,281 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 06:26:11,281 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-09-25 06:26:11,281 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 06:26:11,281 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 06:26:11,281 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 06:26:11,282 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 06:26:11,283 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 99 [2020-09-25 06:26:11,284 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 06:26:11,285 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 06:26:11,286 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 06:26:11,287 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 06:26:11,287 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 06:26:11,287 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-25 06:26:11,287 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 06:26:11,288 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-09-25 06:26:11,288 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 06:26:11,288 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 06:26:11,288 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 06:26:11,288 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 06:26:11,299 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2020-09-25 06:26:11,300 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 06:26:11,302 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 06:26:11,305 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 06:26:11,305 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-25 06:26:11,306 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 06:26:11,307 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-09-25 06:26:11,307 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 06:26:11,307 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-09-25 06:26:11,307 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 06:26:11,308 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 06:26:11,308 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-09-25 06:26:11,308 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 06:26:11,310 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 134 [2020-09-25 06:26:11,311 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 06:26:11,314 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 06:26:11,316 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 06:26:11,316 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 06:26:11,316 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 06:26:11,316 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-09-25 06:26:11,317 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 06:26:11,317 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-09-25 06:26:11,317 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 06:26:11,317 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-09-25 06:26:11,318 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 06:26:11,318 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 06:26:11,319 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 144 [2020-09-25 06:26:11,320 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 06:26:11,321 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 06:26:11,323 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 06:26:11,323 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 06:26:11,323 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 06:26:11,323 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-25 06:26:11,323 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 06:26:11,324 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-09-25 06:26:11,324 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 06:26:11,324 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-09-25 06:26:11,324 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 06:26:11,324 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 06:26:11,349 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-09-25 06:26:11,350 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1283863315] [2020-09-25 06:26:11,350 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-25 06:26:11,351 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2020-09-25 06:26:11,351 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1259183591] [2020-09-25 06:26:11,352 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-09-25 06:26:11,352 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-25 06:26:11,353 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-09-25 06:26:11,354 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-09-25 06:26:11,354 INFO L87 Difference]: Start difference. First operand 193 states and 204 transitions. Second operand 5 states. [2020-09-25 06:26:11,891 WARN L193 SmtUtils]: Spent 256.00 ms on a formula simplification that was a NOOP. DAG size: 186 [2020-09-25 06:26:13,142 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-25 06:26:13,143 INFO L93 Difference]: Finished difference Result 421 states and 487 transitions. [2020-09-25 06:26:13,143 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2020-09-25 06:26:13,143 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 156 [2020-09-25 06:26:13,147 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-25 06:26:13,155 INFO L225 Difference]: With dead ends: 421 [2020-09-25 06:26:13,155 INFO L226 Difference]: Without dead ends: 338 [2020-09-25 06:26:13,157 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 06:26:13,158 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 338 states. [2020-09-25 06:26:13,218 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 338 to 260. [2020-09-25 06:26:13,219 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 260 states. [2020-09-25 06:26:13,220 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 260 states to 260 states and 281 transitions. [2020-09-25 06:26:13,220 INFO L78 Accepts]: Start accepts. Automaton has 260 states and 281 transitions. Word has length 156 [2020-09-25 06:26:13,221 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-25 06:26:13,221 INFO L479 AbstractCegarLoop]: Abstraction has 260 states and 281 transitions. [2020-09-25 06:26:13,221 INFO L480 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-09-25 06:26:13,221 INFO L276 IsEmpty]: Start isEmpty. Operand 260 states and 281 transitions. [2020-09-25 06:26:13,224 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 160 [2020-09-25 06:26:13,224 INFO L414 BasicCegarLoop]: Found error trace [2020-09-25 06:26:13,224 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 06:26:13,224 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-09-25 06:26:13,225 INFO L427 AbstractCegarLoop]: === Iteration 4 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-25 06:26:13,225 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-25 06:26:13,225 INFO L82 PathProgramCache]: Analyzing trace with hash -1665822061, now seen corresponding path program 1 times [2020-09-25 06:26:13,225 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-25 06:26:13,226 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1114864318] [2020-09-25 06:26:13,226 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-25 06:26:13,271 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 06:26:13,320 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 06:26:14,192 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 06:26:14,326 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 06:26:18,276 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 06:26:18,277 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 192 [2020-09-25 06:26:18,277 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-09-25 06:26:18,277 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5003 [2020-09-25 06:26:18,277 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 06:26:18,277 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-09-25 06:26:18,278 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-09-25 06:26:18,278 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 152 [2020-09-25 06:26:18,278 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 36 [2020-09-25 06:26:18,278 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 06:26:18,584 WARN L193 SmtUtils]: Spent 220.00 ms on a formula simplification that was a NOOP. DAG size: 184 [2020-09-25 06:26:18,586 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-25 06:26:18,596 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 06:26:18,678 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 06:26:18,774 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 06:26:18,775 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 85 [2020-09-25 06:26:18,775 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 06:26:18,775 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 177 [2020-09-25 06:26:18,776 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 06:26:18,776 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-09-25 06:26:18,776 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 06:26:18,777 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 06:26:18,777 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 06:26:18,777 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 06:26:18,818 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2020-09-25 06:26:18,819 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 06:26:18,820 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 06:26:18,822 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 06:26:18,823 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 06:26:18,823 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 06:26:18,823 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-25 06:26:18,824 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 06:26:18,824 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-09-25 06:26:18,824 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 06:26:18,825 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 06:26:18,825 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 06:26:18,825 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 06:26:18,827 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 86 [2020-09-25 06:26:18,827 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 06:26:18,828 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 06:26:18,830 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 06:26:18,831 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 06:26:18,831 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 06:26:18,831 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-25 06:26:18,832 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 06:26:18,832 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-09-25 06:26:18,832 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 06:26:18,833 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 06:26:18,833 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 06:26:18,833 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 06:26:18,835 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2020-09-25 06:26:18,836 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 06:26:18,837 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 06:26:18,841 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 06:26:18,841 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 06:26:18,842 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 06:26:18,842 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-09-25 06:26:18,842 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 06:26:18,843 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-09-25 06:26:18,843 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 06:26:18,843 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 06:26:18,844 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 06:26:18,844 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 06:26:18,846 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 99 [2020-09-25 06:26:18,847 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 06:26:18,848 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 06:26:18,850 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 06:26:18,850 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 06:26:18,850 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 06:26:18,851 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-25 06:26:18,851 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 06:26:18,851 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-09-25 06:26:18,852 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 06:26:18,852 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 06:26:18,852 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 06:26:18,853 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 06:26:18,867 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2020-09-25 06:26:18,868 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 06:26:18,869 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 06:26:18,872 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 06:26:18,872 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-25 06:26:18,873 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 06:26:18,873 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-25 06:26:18,873 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 06:26:18,874 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-09-25 06:26:18,874 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 06:26:18,874 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 06:26:18,874 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 06:26:18,875 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 06:26:18,876 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 131 [2020-09-25 06:26:18,877 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 06:26:18,879 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 06:26:18,881 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 06:26:18,881 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 06:26:18,882 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 06:26:18,882 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-25 06:26:18,882 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 06:26:18,882 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-09-25 06:26:18,883 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 06:26:18,883 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 06:26:18,883 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-25 06:26:18,883 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 06:26:18,885 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 137 [2020-09-25 06:26:18,886 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 06:26:18,887 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 06:26:18,890 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 06:26:18,890 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 06:26:18,891 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 06:26:18,891 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-09-25 06:26:18,891 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 06:26:18,891 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-09-25 06:26:18,892 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 06:26:18,892 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 06:26:18,892 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-09-25 06:26:18,892 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 06:26:18,894 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 147 [2020-09-25 06:26:18,895 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 06:26:18,897 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 06:26:18,904 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 06:26:18,904 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 06:26:18,905 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 06:26:18,905 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 8 [2020-09-25 06:26:18,905 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 06:26:18,906 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-09-25 06:26:18,906 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-09-25 06:26:18,907 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 06:26:18,907 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-09-25 06:26:18,907 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 06:26:18,995 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 06:26:18,996 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1114864318] [2020-09-25 06:26:18,997 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-25 06:26:18,997 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2020-09-25 06:26:18,997 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1889264539] [2020-09-25 06:26:18,998 INFO L459 AbstractCegarLoop]: Interpolant automaton has 9 states [2020-09-25 06:26:18,998 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-25 06:26:18,998 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2020-09-25 06:26:18,999 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=56, Unknown=0, NotChecked=0, Total=72 [2020-09-25 06:26:18,999 INFO L87 Difference]: Start difference. First operand 260 states and 281 transitions. Second operand 9 states. [2020-09-25 06:26:19,569 WARN L193 SmtUtils]: Spent 207.00 ms on a formula simplification that was a NOOP. DAG size: 186 [2020-09-25 06:26:20,693 WARN L193 SmtUtils]: Spent 274.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-09-25 06:26:21,039 WARN L193 SmtUtils]: Spent 286.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-09-25 06:26:21,390 WARN L193 SmtUtils]: Spent 301.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-09-25 06:26:21,708 WARN L193 SmtUtils]: Spent 286.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-09-25 06:26:22,011 WARN L193 SmtUtils]: Spent 275.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-09-25 06:26:22,246 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-25 06:26:22,246 INFO L93 Difference]: Finished difference Result 447 states and 515 transitions. [2020-09-25 06:26:22,247 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2020-09-25 06:26:22,247 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 159 [2020-09-25 06:26:22,248 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-25 06:26:22,248 INFO L225 Difference]: With dead ends: 447 [2020-09-25 06:26:22,248 INFO L226 Difference]: Without dead ends: 0 [2020-09-25 06:26:22,251 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 34 GetRequests, 20 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 10 ImplicationChecksByTransitivity, 2.0s TimeCoverageRelationStatistics Valid=71, Invalid=169, Unknown=0, NotChecked=0, Total=240 [2020-09-25 06:26:22,252 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2020-09-25 06:26:22,252 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2020-09-25 06:26:22,252 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2020-09-25 06:26:22,252 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2020-09-25 06:26:22,253 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 159 [2020-09-25 06:26:22,253 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-25 06:26:22,253 INFO L479 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-09-25 06:26:22,253 INFO L480 AbstractCegarLoop]: Interpolant automaton has 9 states. [2020-09-25 06:26:22,253 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2020-09-25 06:26:22,253 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-09-25 06:26:22,254 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2020-09-25 06:26:22,256 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2020-09-25 06:26:22,483 WARN L193 SmtUtils]: Spent 198.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-09-25 06:26:22,649 WARN L193 SmtUtils]: Spent 162.00 ms on a formula simplification. DAG size of input: 199 DAG size of output: 6 [2020-09-25 06:26:22,825 WARN L193 SmtUtils]: Spent 169.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-09-25 06:26:22,993 WARN L193 SmtUtils]: Spent 166.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-09-25 06:26:23,135 WARN L193 SmtUtils]: Spent 140.00 ms on a formula simplification. DAG size of input: 200 DAG size of output: 6 [2020-09-25 06:26:23,310 WARN L193 SmtUtils]: Spent 170.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-09-25 06:26:23,471 WARN L193 SmtUtils]: Spent 156.00 ms on a formula simplification that was a NOOP. DAG size: 186 [2020-09-25 06:26:23,631 WARN L193 SmtUtils]: Spent 155.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-09-25 06:26:23,799 WARN L193 SmtUtils]: Spent 155.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-09-25 06:26:24,139 WARN L193 SmtUtils]: Spent 337.00 ms on a formula simplification. DAG size of input: 191 DAG size of output: 187 [2020-09-25 06:26:24,481 WARN L193 SmtUtils]: Spent 336.00 ms on a formula simplification. DAG size of input: 191 DAG size of output: 187 [2020-09-25 06:26:24,805 WARN L193 SmtUtils]: Spent 323.00 ms on a formula simplification. DAG size of input: 191 DAG size of output: 187 [2020-09-25 06:26:24,918 WARN L193 SmtUtils]: Spent 111.00 ms on a formula simplification. DAG size of input: 199 DAG size of output: 6 [2020-09-25 06:26:25,061 WARN L193 SmtUtils]: Spent 141.00 ms on a formula simplification that was a NOOP. DAG size: 184 [2020-09-25 06:26:25,213 WARN L193 SmtUtils]: Spent 150.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-09-25 06:26:25,373 WARN L193 SmtUtils]: Spent 159.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-09-25 06:26:25,525 WARN L193 SmtUtils]: Spent 150.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-09-25 06:26:25,671 WARN L193 SmtUtils]: Spent 143.00 ms on a formula simplification that was a NOOP. DAG size: 186 [2020-09-25 06:26:25,824 WARN L193 SmtUtils]: Spent 147.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-09-25 06:26:25,975 WARN L193 SmtUtils]: Spent 149.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-09-25 06:26:26,121 WARN L193 SmtUtils]: Spent 143.00 ms on a formula simplification that was a NOOP. DAG size: 186 [2020-09-25 06:26:26,272 WARN L193 SmtUtils]: Spent 149.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-09-25 06:26:26,421 WARN L193 SmtUtils]: Spent 147.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-09-25 06:26:26,570 WARN L193 SmtUtils]: Spent 147.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-09-25 06:26:26,715 WARN L193 SmtUtils]: Spent 143.00 ms on a formula simplification that was a NOOP. DAG size: 186 [2020-09-25 06:26:26,823 WARN L193 SmtUtils]: Spent 104.00 ms on a formula simplification. DAG size of input: 200 DAG size of output: 6 [2020-09-25 06:26:26,976 WARN L193 SmtUtils]: Spent 149.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-09-25 06:26:27,122 WARN L193 SmtUtils]: Spent 144.00 ms on a formula simplification that was a NOOP. DAG size: 186 [2020-09-25 06:26:27,272 WARN L193 SmtUtils]: Spent 148.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-09-25 06:26:27,421 WARN L193 SmtUtils]: Spent 147.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-09-25 06:26:27,742 WARN L193 SmtUtils]: Spent 310.00 ms on a formula simplification. DAG size of input: 191 DAG size of output: 189 [2020-09-25 06:26:28,055 WARN L193 SmtUtils]: Spent 309.00 ms on a formula simplification. DAG size of input: 191 DAG size of output: 189 [2020-09-25 06:26:28,287 WARN L193 SmtUtils]: Spent 229.00 ms on a formula simplification. DAG size of input: 188 DAG size of output: 186 [2020-09-25 06:26:28,599 WARN L193 SmtUtils]: Spent 310.00 ms on a formula simplification. DAG size of input: 191 DAG size of output: 189 [2020-09-25 06:26:28,748 WARN L193 SmtUtils]: Spent 147.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-09-25 06:26:28,894 WARN L193 SmtUtils]: Spent 142.00 ms on a formula simplification that was a NOOP. DAG size: 186 [2020-09-25 06:26:29,044 WARN L193 SmtUtils]: Spent 147.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-09-25 06:26:29,201 WARN L193 SmtUtils]: Spent 155.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-09-25 06:26:29,512 WARN L193 SmtUtils]: Spent 308.00 ms on a formula simplification. DAG size of input: 191 DAG size of output: 189 [2020-09-25 06:26:29,821 WARN L193 SmtUtils]: Spent 307.00 ms on a formula simplification. DAG size of input: 191 DAG size of output: 189 [2020-09-25 06:26:30,053 WARN L193 SmtUtils]: Spent 229.00 ms on a formula simplification. DAG size of input: 188 DAG size of output: 186 [2020-09-25 06:26:30,363 WARN L193 SmtUtils]: Spent 307.00 ms on a formula simplification. DAG size of input: 191 DAG size of output: 189 [2020-09-25 06:26:30,619 WARN L193 SmtUtils]: Spent 148.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-09-25 06:26:30,763 WARN L193 SmtUtils]: Spent 143.00 ms on a formula simplification that was a NOOP. DAG size: 186 [2020-09-25 06:26:30,916 WARN L193 SmtUtils]: Spent 149.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-09-25 06:26:31,064 WARN L193 SmtUtils]: Spent 146.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-09-25 06:26:31,212 WARN L193 SmtUtils]: Spent 146.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-09-25 06:26:31,460 WARN L193 SmtUtils]: Spent 147.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-09-25 06:26:31,604 WARN L193 SmtUtils]: Spent 142.00 ms on a formula simplification that was a NOOP. DAG size: 186 [2020-09-25 06:26:31,915 WARN L193 SmtUtils]: Spent 309.00 ms on a formula simplification. DAG size of input: 191 DAG size of output: 187 [2020-09-25 06:26:32,227 WARN L193 SmtUtils]: Spent 310.00 ms on a formula simplification. DAG size of input: 191 DAG size of output: 187 [2020-09-25 06:26:32,540 WARN L193 SmtUtils]: Spent 311.00 ms on a formula simplification. DAG size of input: 191 DAG size of output: 187 [2020-09-25 06:26:32,690 WARN L193 SmtUtils]: Spent 147.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-09-25 06:26:32,835 WARN L193 SmtUtils]: Spent 143.00 ms on a formula simplification that was a NOOP. DAG size: 186 [2020-09-25 06:26:32,983 WARN L193 SmtUtils]: Spent 147.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-09-25 06:26:33,204 WARN L193 SmtUtils]: Spent 201.00 ms on a formula simplification. DAG size of input: 136 DAG size of output: 20 [2020-09-25 06:26:33,449 WARN L193 SmtUtils]: Spent 215.00 ms on a formula simplification. DAG size of input: 136 DAG size of output: 20 [2020-09-25 06:26:33,666 WARN L193 SmtUtils]: Spent 197.00 ms on a formula simplification. DAG size of input: 133 DAG size of output: 1 [2020-09-25 06:26:33,876 WARN L193 SmtUtils]: Spent 202.00 ms on a formula simplification. DAG size of input: 136 DAG size of output: 20 [2020-09-25 06:26:34,095 WARN L193 SmtUtils]: Spent 208.00 ms on a formula simplification. DAG size of input: 136 DAG size of output: 20 [2020-09-25 06:26:34,280 WARN L193 SmtUtils]: Spent 181.00 ms on a formula simplification. DAG size of input: 128 DAG size of output: 8 [2020-09-25 06:26:34,567 WARN L193 SmtUtils]: Spent 275.00 ms on a formula simplification that was a NOOP. DAG size: 184 [2020-09-25 06:26:34,778 WARN L193 SmtUtils]: Spent 208.00 ms on a formula simplification. DAG size of input: 136 DAG size of output: 20 [2020-09-25 06:26:34,995 WARN L193 SmtUtils]: Spent 216.00 ms on a formula simplification. DAG size of input: 136 DAG size of output: 20 [2020-09-25 06:26:35,195 WARN L193 SmtUtils]: Spent 197.00 ms on a formula simplification. DAG size of input: 133 DAG size of output: 1 [2020-09-25 06:26:35,571 WARN L193 SmtUtils]: Spent 373.00 ms on a formula simplification. DAG size of input: 134 DAG size of output: 8 [2020-09-25 06:26:35,748 WARN L193 SmtUtils]: Spent 163.00 ms on a formula simplification. DAG size of input: 133 DAG size of output: 1 [2020-09-25 06:26:36,110 WARN L193 SmtUtils]: Spent 348.00 ms on a formula simplification. DAG size of input: 134 DAG size of output: 8 [2020-09-25 06:26:36,509 WARN L193 SmtUtils]: Spent 395.00 ms on a formula simplification. DAG size of input: 134 DAG size of output: 8 [2020-09-25 06:26:36,723 WARN L193 SmtUtils]: Spent 212.00 ms on a formula simplification. DAG size of input: 133 DAG size of output: 1 [2020-09-25 06:26:37,145 WARN L193 SmtUtils]: Spent 392.00 ms on a formula simplification. DAG size of input: 134 DAG size of output: 8 [2020-09-25 06:26:37,558 WARN L193 SmtUtils]: Spent 395.00 ms on a formula simplification. DAG size of input: 134 DAG size of output: 8 [2020-09-25 06:26:37,759 WARN L193 SmtUtils]: Spent 199.00 ms on a formula simplification. DAG size of input: 136 DAG size of output: 20