/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=0.2 --traceabstraction.additional.smt.options log-additional-information=true -s ../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf -i ../../../trunk/examples/svcomp/product-lines/minepump_spec1_product20.cil.c -------------------------------------------------------------------------------- This is Ultimate 0.1.25-c90d42b [2020-09-25 03:59:36,811 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-09-25 03:59:36,815 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-09-25 03:59:36,867 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-09-25 03:59:36,868 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-09-25 03:59:36,879 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-09-25 03:59:36,881 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-09-25 03:59:36,885 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-09-25 03:59:36,888 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-09-25 03:59:36,892 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-09-25 03:59:36,893 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-09-25 03:59:36,894 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-09-25 03:59:36,894 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-09-25 03:59:36,897 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-09-25 03:59:36,900 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-09-25 03:59:36,903 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-09-25 03:59:36,905 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-09-25 03:59:36,906 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-09-25 03:59:36,907 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-09-25 03:59:36,915 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-09-25 03:59:36,918 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-09-25 03:59:36,919 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-09-25 03:59:36,920 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-09-25 03:59:36,921 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-09-25 03:59:36,926 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-09-25 03:59:36,926 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-09-25 03:59:36,926 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-09-25 03:59:36,930 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-09-25 03:59:36,930 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-09-25 03:59:36,933 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-09-25 03:59:36,933 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-09-25 03:59:36,934 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-09-25 03:59:36,935 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-09-25 03:59:36,936 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-09-25 03:59:36,937 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-09-25 03:59:36,937 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-09-25 03:59:36,938 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-09-25 03:59:36,938 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-09-25 03:59:36,938 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-09-25 03:59:36,940 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-09-25 03:59:36,941 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-09-25 03:59:36,942 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 03:59:36,990 INFO L113 SettingsManager]: Loading preferences was successful [2020-09-25 03:59:36,990 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-09-25 03:59:36,992 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-09-25 03:59:36,993 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-09-25 03:59:36,993 INFO L138 SettingsManager]: * Use SBE=true [2020-09-25 03:59:36,993 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-09-25 03:59:36,994 INFO L138 SettingsManager]: * sizeof long=4 [2020-09-25 03:59:36,994 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-09-25 03:59:36,994 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-09-25 03:59:36,994 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-09-25 03:59:36,995 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-09-25 03:59:36,996 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-09-25 03:59:36,996 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-09-25 03:59:36,996 INFO L138 SettingsManager]: * sizeof long double=12 [2020-09-25 03:59:36,997 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-09-25 03:59:36,997 INFO L138 SettingsManager]: * Use constant arrays=true [2020-09-25 03:59:36,997 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-09-25 03:59:36,997 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-09-25 03:59:36,998 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-09-25 03:59:36,998 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-09-25 03:59:36,998 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-09-25 03:59:36,998 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-09-25 03:59:36,998 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-09-25 03:59:36,999 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-09-25 03:59:36,999 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-09-25 03:59:36,999 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-09-25 03:59:36,999 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-09-25 03:59:37,000 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-09-25 03:59:37,000 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-09-25 03:59:37,000 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=0.2;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=0.2;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=0.2;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=0.2;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=0.2;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=0.2;log-additional-information=true; [2020-09-25 03:59:37,483 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-09-25 03:59:37,509 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-09-25 03:59:37,514 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-09-25 03:59:37,516 INFO L271 PluginConnector]: Initializing CDTParser... [2020-09-25 03:59:37,516 INFO L275 PluginConnector]: CDTParser initialized [2020-09-25 03:59:37,517 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/product-lines/minepump_spec1_product20.cil.c [2020-09-25 03:59:37,597 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/8b95bf5b6/8ba1e422a13e4237814575729279e628/FLAG8716405a4 [2020-09-25 03:59:38,178 INFO L306 CDTParser]: Found 1 translation units. [2020-09-25 03:59:38,179 INFO L160 CDTParser]: Scanning /storage/repos/ultimate-2/trunk/examples/svcomp/product-lines/minepump_spec1_product20.cil.c [2020-09-25 03:59:38,205 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/8b95bf5b6/8ba1e422a13e4237814575729279e628/FLAG8716405a4 [2020-09-25 03:59:38,471 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/8b95bf5b6/8ba1e422a13e4237814575729279e628 [2020-09-25 03:59:38,487 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-09-25 03:59:38,493 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-09-25 03:59:38,494 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-09-25 03:59:38,495 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-09-25 03:59:38,499 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-09-25 03:59:38,501 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.09 03:59:38" (1/1) ... [2020-09-25 03:59:38,505 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@46a9d3e5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 03:59:38, skipping insertion in model container [2020-09-25 03:59:38,506 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.09 03:59:38" (1/1) ... [2020-09-25 03:59:38,515 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-09-25 03:59:38,570 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-09-25 03:59:38,953 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-09-25 03:59:39,069 INFO L203 MainTranslator]: Completed pre-run [2020-09-25 03:59:39,238 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-09-25 03:59:39,280 INFO L208 MainTranslator]: Completed translation [2020-09-25 03:59:39,281 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 03:59:39 WrapperNode [2020-09-25 03:59:39,281 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-09-25 03:59:39,282 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-09-25 03:59:39,282 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-09-25 03:59:39,282 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-09-25 03:59:39,300 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 03:59:39" (1/1) ... [2020-09-25 03:59:39,300 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 03:59:39" (1/1) ... [2020-09-25 03:59:39,322 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 03:59:39" (1/1) ... [2020-09-25 03:59:39,322 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 03:59:39" (1/1) ... [2020-09-25 03:59:39,359 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 03:59:39" (1/1) ... [2020-09-25 03:59:39,376 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 03:59:39" (1/1) ... [2020-09-25 03:59:39,382 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 03:59:39" (1/1) ... [2020-09-25 03:59:39,393 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-09-25 03:59:39,393 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-09-25 03:59:39,394 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-09-25 03:59:39,394 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-09-25 03:59:39,395 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 03:59:39" (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 03:59:39,475 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-09-25 03:59:39,475 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-09-25 03:59:39,475 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~X~int~TO~int [2020-09-25 03:59:39,476 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2020-09-25 03:59:39,476 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2020-09-25 03:59:39,476 INFO L138 BoogieDeclarations]: Found implementation of procedure Specification2 [2020-09-25 03:59:39,476 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2020-09-25 03:59:39,476 INFO L138 BoogieDeclarations]: Found implementation of procedure runTest [2020-09-25 03:59:39,476 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-09-25 03:59:39,477 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2020-09-25 03:59:39,477 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2020-09-25 03:59:39,477 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__base [2020-09-25 03:59:39,477 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment [2020-09-25 03:59:39,477 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump [2020-09-25 03:59:39,478 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivatePump [2020-09-25 03:59:39,478 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneAlarm [2020-09-25 03:59:39,478 INFO L138 BoogieDeclarations]: Found implementation of procedure isPumpRunning [2020-09-25 03:59:39,478 INFO L138 BoogieDeclarations]: Found implementation of procedure printPump [2020-09-25 03:59:39,478 INFO L138 BoogieDeclarations]: Found implementation of procedure isLowWaterLevel [2020-09-25 03:59:39,479 INFO L138 BoogieDeclarations]: Found implementation of procedure stopSystem [2020-09-25 03:59:39,479 INFO L138 BoogieDeclarations]: Found implementation of procedure startSystem [2020-09-25 03:59:39,479 INFO L138 BoogieDeclarations]: Found implementation of procedure lowerWaterLevel [2020-09-25 03:59:39,479 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2020-09-25 03:59:39,479 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2020-09-25 03:59:39,480 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2020-09-25 03:59:39,480 INFO L138 BoogieDeclarations]: Found implementation of procedure printEnvironment [2020-09-25 03:59:39,480 INFO L138 BoogieDeclarations]: Found implementation of procedure getWaterLevel [2020-09-25 03:59:39,480 INFO L138 BoogieDeclarations]: Found implementation of procedure isLowWaterSensorDry [2020-09-25 03:59:39,480 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_set [2020-09-25 03:59:39,481 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_free [2020-09-25 03:59:39,481 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_reset [2020-09-25 03:59:39,481 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__error_stack_mgt [2020-09-25 03:59:39,481 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_arg [2020-09-25 03:59:39,481 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_argtype [2020-09-25 03:59:39,481 INFO L138 BoogieDeclarations]: Found implementation of procedure select_one [2020-09-25 03:59:39,482 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2020-09-25 03:59:39,482 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2020-09-25 03:59:39,482 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2020-09-25 03:59:39,482 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification1_spec__1 [2020-09-25 03:59:39,482 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2020-09-25 03:59:39,482 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2020-09-25 03:59:39,483 INFO L130 BoogieDeclarations]: Found specification of procedure printf [2020-09-25 03:59:39,483 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2020-09-25 03:59:39,483 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2020-09-25 03:59:39,483 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2020-09-25 03:59:39,483 INFO L130 BoogieDeclarations]: Found specification of procedure printPump [2020-09-25 03:59:39,484 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2020-09-25 03:59:39,484 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2020-09-25 03:59:39,484 INFO L130 BoogieDeclarations]: Found specification of procedure Specification2 [2020-09-25 03:59:39,484 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2020-09-25 03:59:39,484 INFO L130 BoogieDeclarations]: Found specification of procedure test [2020-09-25 03:59:39,484 INFO L130 BoogieDeclarations]: Found specification of procedure runTest [2020-09-25 03:59:39,485 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2020-09-25 03:59:39,485 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2020-09-25 03:59:39,485 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2020-09-25 03:59:39,485 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-09-25 03:59:39,485 INFO L130 BoogieDeclarations]: Found specification of procedure startSystem [2020-09-25 03:59:39,485 INFO L130 BoogieDeclarations]: Found specification of procedure stopSystem [2020-09-25 03:59:39,486 INFO L130 BoogieDeclarations]: Found specification of procedure lowerWaterLevel [2020-09-25 03:59:39,486 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2020-09-25 03:59:39,486 INFO L130 BoogieDeclarations]: Found specification of procedure printEnvironment [2020-09-25 03:59:39,486 INFO L130 BoogieDeclarations]: Found specification of procedure isLowWaterSensorDry [2020-09-25 03:59:39,486 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump [2020-09-25 03:59:39,487 INFO L130 BoogieDeclarations]: Found specification of procedure deactivatePump [2020-09-25 03:59:39,487 INFO L130 BoogieDeclarations]: Found specification of procedure isPumpRunning [2020-09-25 03:59:39,487 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification1_spec__1 [2020-09-25 03:59:39,487 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment [2020-09-25 03:59:39,487 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__base [2020-09-25 03:59:39,487 INFO L130 BoogieDeclarations]: Found specification of procedure isLowWaterLevel [2020-09-25 03:59:39,488 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneAlarm [2020-09-25 03:59:39,488 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-09-25 03:59:39,488 INFO L130 BoogieDeclarations]: Found specification of procedure getWaterLevel [2020-09-25 03:59:39,488 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2020-09-25 03:59:39,488 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2020-09-25 03:59:39,488 INFO L130 BoogieDeclarations]: Found specification of procedure free [2020-09-25 03:59:39,489 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_set [2020-09-25 03:59:39,489 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2020-09-25 03:59:39,489 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2020-09-25 03:59:39,489 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-09-25 03:59:39,489 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2020-09-25 03:59:39,489 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_free [2020-09-25 03:59:39,489 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-09-25 03:59:39,490 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_reset [2020-09-25 03:59:39,490 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~X~int~TO~int [2020-09-25 03:59:39,490 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2020-09-25 03:59:39,490 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__error_stack_mgt [2020-09-25 03:59:39,490 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_arg [2020-09-25 03:59:39,490 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_argtype [2020-09-25 03:59:39,491 INFO L130 BoogieDeclarations]: Found specification of procedure select_one [2020-09-25 03:59:39,491 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-09-25 03:59:39,491 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-09-25 03:59:39,491 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-09-25 03:59:40,732 INFO L290 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-09-25 03:59:40,732 INFO L295 CfgBuilder]: Removed 5 assume(true) statements. [2020-09-25 03:59:40,740 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.09 03:59:40 BoogieIcfgContainer [2020-09-25 03:59:40,740 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-09-25 03:59:40,742 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-09-25 03:59:40,742 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-09-25 03:59:40,746 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-09-25 03:59:40,746 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 25.09 03:59:38" (1/3) ... [2020-09-25 03:59:40,747 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1e34377d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 25.09 03:59:40, skipping insertion in model container [2020-09-25 03:59:40,747 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 03:59:39" (2/3) ... [2020-09-25 03:59:40,748 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1e34377d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 25.09 03:59:40, skipping insertion in model container [2020-09-25 03:59:40,748 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.09 03:59:40" (3/3) ... [2020-09-25 03:59:40,750 INFO L109 eAbstractionObserver]: Analyzing ICFG minepump_spec1_product20.cil.c [2020-09-25 03:59:40,763 INFO L157 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:Craig_NestedInterpolation Determinization: PREDICATE_ABSTRACTION [2020-09-25 03:59:40,777 INFO L169 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-09-25 03:59:40,803 INFO L251 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-09-25 03:59:40,844 INFO L375 AbstractCegarLoop]: Interprodecural is true [2020-09-25 03:59:40,844 INFO L376 AbstractCegarLoop]: Hoare is true [2020-09-25 03:59:40,844 INFO L377 AbstractCegarLoop]: Compute interpolants for Craig_NestedInterpolation [2020-09-25 03:59:40,844 INFO L378 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-09-25 03:59:40,845 INFO L379 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-09-25 03:59:40,845 INFO L380 AbstractCegarLoop]: Difference is false [2020-09-25 03:59:40,845 INFO L381 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-09-25 03:59:40,845 INFO L385 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-09-25 03:59:40,876 INFO L276 IsEmpty]: Start isEmpty. Operand 291 states. [2020-09-25 03:59:40,894 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 143 [2020-09-25 03:59:40,894 INFO L414 BasicCegarLoop]: Found error trace [2020-09-25 03:59:40,896 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 03:59:40,896 INFO L427 AbstractCegarLoop]: === Iteration 1 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-25 03:59:40,904 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-25 03:59:40,905 INFO L82 PathProgramCache]: Analyzing trace with hash 253748862, now seen corresponding path program 1 times [2020-09-25 03:59:40,917 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-25 03:59:40,917 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1074523934] [2020-09-25 03:59:40,918 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-25 03:59:41,250 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 03:59:41,390 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 03:59:41,625 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 03:59:42,939 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 03:59:44,063 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 03:59:45,724 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 03:59:46,261 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 03:59:46,261 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 173 [2020-09-25 03:59:46,261 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 5 [2020-09-25 03:59:46,262 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5000 [2020-09-25 03:59:46,267 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 03:59:46,268 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-09-25 03:59:46,268 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 03:59:46,268 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 129 [2020-09-25 03:59:46,268 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 03:59:46,269 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 5 [2020-09-25 03:59:46,696 WARN L193 SmtUtils]: Spent 302.00 ms on a formula simplification that was a NOOP. DAG size: 184 [2020-09-25 03:59:46,700 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-25 03:59:46,723 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 03:59:46,736 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 03:59:46,849 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 03:59:46,850 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 85 [2020-09-25 03:59:46,850 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 03:59:46,850 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 124 [2020-09-25 03:59:46,851 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 03:59:46,851 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-09-25 03:59:46,851 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 03:59:46,852 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 03:59:46,852 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 03:59:46,852 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 03:59:46,934 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2020-09-25 03:59:46,935 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 03:59:46,937 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 03:59:46,938 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 03:59:46,939 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 03:59:46,939 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 03:59:46,939 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-25 03:59:46,940 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 03:59:46,940 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-09-25 03:59:46,940 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 03:59:46,940 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 03:59:46,941 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 03:59:46,941 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 03:59:46,943 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 86 [2020-09-25 03:59:46,943 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 03:59:46,945 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 03:59:46,947 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 03:59:46,947 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 03:59:46,947 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 03:59:46,948 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-25 03:59:46,948 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 03:59:46,948 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-09-25 03:59:46,948 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 03:59:46,948 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 03:59:46,949 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 03:59:46,949 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 03:59:46,950 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2020-09-25 03:59:46,951 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 03:59:46,953 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 03:59:46,957 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 03:59:46,957 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 03:59:46,958 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 03:59:46,958 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-09-25 03:59:46,958 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 03:59:46,958 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-09-25 03:59:46,959 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 03:59:46,959 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 03:59:46,959 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 03:59:46,959 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 03:59:46,961 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 99 [2020-09-25 03:59:46,962 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 03:59:46,963 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 03:59:46,965 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 03:59:46,965 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 03:59:46,966 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 03:59:46,966 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-25 03:59:46,966 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 03:59:46,966 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-09-25 03:59:46,967 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 03:59:46,967 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 03:59:46,967 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 03:59:46,967 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 03:59:46,969 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 120 [2020-09-25 03:59:46,970 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 03:59:46,971 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 03:59:46,973 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 03:59:46,974 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 03:59:46,974 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 03:59:46,974 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-25 03:59:46,975 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 03:59:46,975 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-09-25 03:59:46,975 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 03:59:46,975 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-09-25 03:59:46,976 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 03:59:46,976 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 03:59:46,978 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 130 [2020-09-25 03:59:46,979 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 03:59:46,981 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 03:59:46,982 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 03:59:46,983 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 03:59:46,983 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 03:59:46,983 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-25 03:59:46,983 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 03:59:46,984 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-09-25 03:59:46,984 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 03:59:46,984 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-09-25 03:59:46,984 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 03:59:46,985 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 03:59:47,012 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 03:59:47,013 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1074523934] [2020-09-25 03:59:47,015 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-25 03:59:47,016 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-09-25 03:59:47,017 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [946219414] [2020-09-25 03:59:47,024 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-09-25 03:59:47,024 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-25 03:59:47,042 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-09-25 03:59:47,044 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-09-25 03:59:47,046 INFO L87 Difference]: Start difference. First operand 291 states. Second operand 3 states. [2020-09-25 03:59:48,375 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-25 03:59:48,376 INFO L93 Difference]: Finished difference Result 436 states and 522 transitions. [2020-09-25 03:59:48,377 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-09-25 03:59:48,378 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 142 [2020-09-25 03:59:48,380 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-25 03:59:48,399 INFO L225 Difference]: With dead ends: 436 [2020-09-25 03:59:48,400 INFO L226 Difference]: Without dead ends: 276 [2020-09-25 03:59:48,406 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 03:59:48,429 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 276 states. [2020-09-25 03:59:48,505 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 276 to 234. [2020-09-25 03:59:48,507 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 234 states. [2020-09-25 03:59:48,509 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 234 states to 234 states and 253 transitions. [2020-09-25 03:59:48,512 INFO L78 Accepts]: Start accepts. Automaton has 234 states and 253 transitions. Word has length 142 [2020-09-25 03:59:48,513 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-25 03:59:48,513 INFO L479 AbstractCegarLoop]: Abstraction has 234 states and 253 transitions. [2020-09-25 03:59:48,513 INFO L480 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-09-25 03:59:48,514 INFO L276 IsEmpty]: Start isEmpty. Operand 234 states and 253 transitions. [2020-09-25 03:59:48,520 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 144 [2020-09-25 03:59:48,520 INFO L414 BasicCegarLoop]: Found error trace [2020-09-25 03:59:48,520 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 03:59:48,521 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-09-25 03:59:48,521 INFO L427 AbstractCegarLoop]: === Iteration 2 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-25 03:59:48,521 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-25 03:59:48,522 INFO L82 PathProgramCache]: Analyzing trace with hash 548958349, now seen corresponding path program 1 times [2020-09-25 03:59:48,522 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-25 03:59:48,522 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [258087160] [2020-09-25 03:59:48,523 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-25 03:59:48,578 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 03:59:48,635 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 03:59:48,778 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 03:59:50,202 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 03:59:51,050 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 03:59:52,046 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 03:59:53,617 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 03:59:53,617 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 174 [2020-09-25 03:59:53,618 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 5 [2020-09-25 03:59:53,618 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5036 [2020-09-25 03:59:53,618 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 03:59:53,618 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-09-25 03:59:53,619 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 03:59:53,619 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 128 [2020-09-25 03:59:53,619 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 3 [2020-09-25 03:59:53,619 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 03:59:53,927 WARN L193 SmtUtils]: Spent 240.00 ms on a formula simplification that was a NOOP. DAG size: 184 [2020-09-25 03:59:53,928 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-25 03:59:53,941 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 03:59:53,952 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 03:59:54,047 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 03:59:54,048 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 85 [2020-09-25 03:59:54,048 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 03:59:54,048 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 103 [2020-09-25 03:59:54,048 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 03:59:54,049 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-09-25 03:59:54,050 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 03:59:54,050 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 03:59:54,050 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 03:59:54,050 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 03:59:54,089 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2020-09-25 03:59:54,089 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 03:59:54,090 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 03:59:54,092 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 03:59:54,092 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 03:59:54,092 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 03:59:54,092 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-25 03:59:54,093 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 03:59:54,093 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-09-25 03:59:54,093 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 03:59:54,093 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 03:59:54,094 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 03:59:54,094 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 03:59:54,096 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 86 [2020-09-25 03:59:54,097 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 03:59:54,098 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 03:59:54,099 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 03:59:54,099 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 03:59:54,100 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 03:59:54,100 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-25 03:59:54,100 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 03:59:54,100 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-09-25 03:59:54,101 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 03:59:54,101 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 03:59:54,101 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 03:59:54,101 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 03:59:54,103 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2020-09-25 03:59:54,104 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 03:59:54,105 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 03:59:54,109 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 03:59:54,109 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 03:59:54,110 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 03:59:54,110 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-09-25 03:59:54,110 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 03:59:54,110 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-09-25 03:59:54,111 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 03:59:54,111 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 03:59:54,111 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 03:59:54,111 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 03:59:54,113 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 99 [2020-09-25 03:59:54,114 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 03:59:54,115 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 03:59:54,118 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 03:59:54,118 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 03:59:54,118 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 03:59:54,118 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-25 03:59:54,119 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 03:59:54,119 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-09-25 03:59:54,119 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 03:59:54,120 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 03:59:54,120 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 03:59:54,120 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 03:59:54,121 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 121 [2020-09-25 03:59:54,122 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 03:59:54,123 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 03:59:54,125 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 03:59:54,125 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 03:59:54,126 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 03:59:54,126 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-25 03:59:54,126 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 03:59:54,126 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-09-25 03:59:54,127 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 03:59:54,127 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-09-25 03:59:54,127 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 03:59:54,127 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 03:59:54,129 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 131 [2020-09-25 03:59:54,130 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 03:59:54,131 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 03:59:54,133 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 03:59:54,133 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 03:59:54,133 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 03:59:54,134 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-25 03:59:54,134 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 03:59:54,134 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-09-25 03:59:54,134 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 03:59:54,134 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-09-25 03:59:54,135 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 03:59:54,135 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 03:59:54,160 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 03:59:54,160 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [258087160] [2020-09-25 03:59:54,161 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-25 03:59:54,161 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2020-09-25 03:59:54,163 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [150013706] [2020-09-25 03:59:54,166 INFO L459 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-09-25 03:59:54,166 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-25 03:59:54,166 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-09-25 03:59:54,167 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2020-09-25 03:59:54,167 INFO L87 Difference]: Start difference. First operand 234 states and 253 transitions. Second operand 4 states. [2020-09-25 03:59:54,827 WARN L193 SmtUtils]: Spent 209.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-09-25 03:59:55,645 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-25 03:59:55,646 INFO L93 Difference]: Finished difference Result 343 states and 385 transitions. [2020-09-25 03:59:55,647 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-09-25 03:59:55,647 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 143 [2020-09-25 03:59:55,648 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-25 03:59:55,651 INFO L225 Difference]: With dead ends: 343 [2020-09-25 03:59:55,651 INFO L226 Difference]: Without dead ends: 259 [2020-09-25 03:59:55,653 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 18 GetRequests, 15 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2020-09-25 03:59:55,655 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 259 states. [2020-09-25 03:59:55,695 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 259 to 224. [2020-09-25 03:59:55,696 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 224 states. [2020-09-25 03:59:55,697 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 224 states to 224 states and 240 transitions. [2020-09-25 03:59:55,697 INFO L78 Accepts]: Start accepts. Automaton has 224 states and 240 transitions. Word has length 143 [2020-09-25 03:59:55,698 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-25 03:59:55,698 INFO L479 AbstractCegarLoop]: Abstraction has 224 states and 240 transitions. [2020-09-25 03:59:55,698 INFO L480 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-09-25 03:59:55,698 INFO L276 IsEmpty]: Start isEmpty. Operand 224 states and 240 transitions. [2020-09-25 03:59:55,701 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 157 [2020-09-25 03:59:55,701 INFO L414 BasicCegarLoop]: Found error trace [2020-09-25 03:59:55,701 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 03:59:55,701 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-09-25 03:59:55,702 INFO L427 AbstractCegarLoop]: === Iteration 3 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-25 03:59:55,702 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-25 03:59:55,702 INFO L82 PathProgramCache]: Analyzing trace with hash 512450906, now seen corresponding path program 1 times [2020-09-25 03:59:55,702 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-25 03:59:55,703 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [443248824] [2020-09-25 03:59:55,703 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-25 03:59:55,751 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 03:59:55,803 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 03:59:56,021 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 03:59:56,762 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 03:59:56,898 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 04:00:00,794 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 04:00:00,795 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 187 [2020-09-25 04:00:00,795 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 4 [2020-09-25 04:00:00,795 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5040 [2020-09-25 04:00:00,796 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 04:00:00,796 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-09-25 04:00:00,796 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 04:00:00,797 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 146 [2020-09-25 04:00:00,797 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-09-25 04:00:00,797 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 04:00:01,108 WARN L193 SmtUtils]: Spent 228.00 ms on a formula simplification that was a NOOP. DAG size: 184 [2020-09-25 04:00:01,109 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-25 04:00:01,117 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 04:00:01,126 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 04:00:01,217 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 04:00:01,217 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 85 [2020-09-25 04:00:01,218 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 04:00:01,218 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 98 [2020-09-25 04:00:01,218 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 04:00:01,218 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-09-25 04:00:01,218 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 04:00:01,219 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 04:00:01,219 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 04:00:01,219 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 04:00:01,258 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2020-09-25 04:00:01,259 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 04:00:01,260 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 04:00:01,262 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 04:00:01,262 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 04:00:01,262 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 04:00:01,262 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-25 04:00:01,263 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 04:00:01,263 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-09-25 04:00:01,263 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 04:00:01,263 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 04:00:01,264 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 04:00:01,264 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 04:00:01,265 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 86 [2020-09-25 04:00:01,266 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 04:00:01,267 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 04:00:01,268 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 04:00:01,269 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 04:00:01,269 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 04:00:01,269 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-25 04:00:01,269 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 04:00:01,270 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-09-25 04:00:01,270 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 04:00:01,270 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 04:00:01,270 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 04:00:01,270 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 04:00:01,272 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2020-09-25 04:00:01,272 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 04:00:01,273 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 04:00:01,277 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 04:00:01,278 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 04:00:01,278 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 04:00:01,278 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-09-25 04:00:01,278 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 04:00:01,279 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-09-25 04:00:01,279 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 04:00:01,279 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 04:00:01,279 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 04:00:01,280 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 04:00:01,283 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 99 [2020-09-25 04:00:01,283 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 04:00:01,285 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 04:00:01,288 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 04:00:01,288 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 04:00:01,288 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 04:00:01,288 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-25 04:00:01,289 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 04:00:01,289 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-09-25 04:00:01,289 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 04:00:01,289 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 04:00:01,290 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 04:00:01,290 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 04:00:01,304 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2020-09-25 04:00:01,305 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 04:00:01,307 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 04:00:01,310 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 04:00:01,313 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-25 04:00:01,314 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 04:00:01,314 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-25 04:00:01,314 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 04:00:01,315 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-09-25 04:00:01,315 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 04:00:01,315 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 04:00:01,315 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-09-25 04:00:01,315 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 04:00:01,318 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 134 [2020-09-25 04:00:01,319 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 04:00:01,321 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 04:00:01,328 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 04:00:01,329 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 04:00:01,329 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 04:00:01,329 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 8 [2020-09-25 04:00:01,329 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 04:00:01,330 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-09-25 04:00:01,330 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 04:00:01,330 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-09-25 04:00:01,330 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 04:00:01,331 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 04:00:01,333 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 144 [2020-09-25 04:00:01,334 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 04:00:01,335 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 04:00:01,349 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 04:00:01,349 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 04:00:01,350 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 04:00:01,350 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 14 [2020-09-25 04:00:01,350 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 04:00:01,351 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-09-25 04:00:01,351 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 04:00:01,352 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-09-25 04:00:01,352 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 04:00:01,352 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 04:00:01,462 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 04:00:01,463 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [443248824] [2020-09-25 04:00:01,463 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-25 04:00:01,463 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2020-09-25 04:00:01,463 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [858684606] [2020-09-25 04:00:01,464 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-09-25 04:00:01,464 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-25 04:00:01,464 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-09-25 04:00:01,465 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-09-25 04:00:01,465 INFO L87 Difference]: Start difference. First operand 224 states and 240 transitions. Second operand 5 states. [2020-09-25 04:00:01,944 WARN L193 SmtUtils]: Spent 235.00 ms on a formula simplification that was a NOOP. DAG size: 186 [2020-09-25 04:00:03,561 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-25 04:00:03,561 INFO L93 Difference]: Finished difference Result 518 states and 601 transitions. [2020-09-25 04:00:03,562 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2020-09-25 04:00:03,562 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 156 [2020-09-25 04:00:03,563 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-25 04:00:03,568 INFO L225 Difference]: With dead ends: 518 [2020-09-25 04:00:03,568 INFO L226 Difference]: Without dead ends: 404 [2020-09-25 04:00:03,570 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 04:00:03,571 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 404 states. [2020-09-25 04:00:03,659 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 404 to 328. [2020-09-25 04:00:03,659 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 328 states. [2020-09-25 04:00:03,661 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 328 states to 328 states and 361 transitions. [2020-09-25 04:00:03,661 INFO L78 Accepts]: Start accepts. Automaton has 328 states and 361 transitions. Word has length 156 [2020-09-25 04:00:03,662 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-25 04:00:03,662 INFO L479 AbstractCegarLoop]: Abstraction has 328 states and 361 transitions. [2020-09-25 04:00:03,662 INFO L480 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-09-25 04:00:03,662 INFO L276 IsEmpty]: Start isEmpty. Operand 328 states and 361 transitions. [2020-09-25 04:00:03,665 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 162 [2020-09-25 04:00:03,665 INFO L414 BasicCegarLoop]: Found error trace [2020-09-25 04:00:03,665 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-09-25 04:00:03,665 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-09-25 04:00:03,666 INFO L427 AbstractCegarLoop]: === Iteration 4 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-25 04:00:03,666 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-25 04:00:03,666 INFO L82 PathProgramCache]: Analyzing trace with hash 16391841, now seen corresponding path program 1 times [2020-09-25 04:00:03,666 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-25 04:00:03,666 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [944898696] [2020-09-25 04:00:03,667 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-25 04:00:03,718 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 04:00:03,772 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 04:00:04,507 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 04:00:04,604 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 04:00:05,576 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 04:00:08,736 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 04:00:08,736 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 192 [2020-09-25 04:00:08,736 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 4 [2020-09-25 04:00:08,736 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5015 [2020-09-25 04:00:08,736 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 04:00:08,737 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-09-25 04:00:08,737 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-09-25 04:00:08,737 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 157 [2020-09-25 04:00:08,737 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 31 [2020-09-25 04:00:08,737 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 04:00:09,180 WARN L193 SmtUtils]: Spent 286.00 ms on a formula simplification that was a NOOP. DAG size: 184 [2020-09-25 04:00:09,182 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-25 04:00:09,194 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 04:00:09,218 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 04:00:09,320 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 04:00:09,320 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 85 [2020-09-25 04:00:09,320 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 04:00:09,321 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 124 [2020-09-25 04:00:09,321 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 04:00:09,321 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-09-25 04:00:09,322 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 04:00:09,322 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 04:00:09,322 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 04:00:09,323 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 04:00:09,364 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2020-09-25 04:00:09,365 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 04:00:09,366 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 04:00:09,368 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 04:00:09,368 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 04:00:09,368 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 04:00:09,369 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-25 04:00:09,369 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 04:00:09,369 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-09-25 04:00:09,370 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 04:00:09,370 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 04:00:09,370 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 04:00:09,371 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 04:00:09,372 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 86 [2020-09-25 04:00:09,372 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 04:00:09,374 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 04:00:09,375 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 04:00:09,375 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 04:00:09,376 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 04:00:09,376 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-25 04:00:09,376 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 04:00:09,377 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-09-25 04:00:09,377 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 04:00:09,377 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 04:00:09,378 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 04:00:09,378 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 04:00:09,379 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2020-09-25 04:00:09,380 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 04:00:09,381 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 04:00:09,385 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 04:00:09,385 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 04:00:09,386 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 04:00:09,386 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-09-25 04:00:09,386 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 04:00:09,386 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-09-25 04:00:09,387 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 04:00:09,387 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 04:00:09,387 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 04:00:09,387 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 04:00:09,389 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 99 [2020-09-25 04:00:09,389 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 04:00:09,390 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 04:00:09,391 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 04:00:09,392 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 04:00:09,392 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 04:00:09,392 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-25 04:00:09,392 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 04:00:09,392 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-09-25 04:00:09,393 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 04:00:09,393 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 04:00:09,393 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 04:00:09,393 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 04:00:09,414 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 128 [2020-09-25 04:00:09,415 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 04:00:09,416 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 04:00:09,418 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 04:00:09,418 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-09-25 04:00:09,419 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 04:00:09,419 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-25 04:00:09,419 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 04:00:09,420 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-09-25 04:00:09,420 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 04:00:09,420 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 04:00:09,421 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 04:00:09,421 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 04:00:09,423 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 139 [2020-09-25 04:00:09,424 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 04:00:09,426 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 04:00:09,429 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 04:00:09,429 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 04:00:09,430 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 04:00:09,430 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-09-25 04:00:09,430 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 04:00:09,431 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-09-25 04:00:09,431 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 04:00:09,431 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 04:00:09,432 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-09-25 04:00:09,432 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 04:00:09,434 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 149 [2020-09-25 04:00:09,435 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 04:00:09,437 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 04:00:09,444 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 04:00:09,445 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 04:00:09,445 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 04:00:09,445 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 8 [2020-09-25 04:00:09,446 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 04:00:09,446 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-09-25 04:00:09,446 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-09-25 04:00:09,447 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 04:00:09,447 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-09-25 04:00:09,447 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 04:00:09,533 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 04:00:09,534 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [944898696] [2020-09-25 04:00:09,534 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-25 04:00:09,535 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2020-09-25 04:00:09,535 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [194803561] [2020-09-25 04:00:09,536 INFO L459 AbstractCegarLoop]: Interpolant automaton has 9 states [2020-09-25 04:00:09,536 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-25 04:00:09,536 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2020-09-25 04:00:09,537 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=56, Unknown=0, NotChecked=0, Total=72 [2020-09-25 04:00:09,537 INFO L87 Difference]: Start difference. First operand 328 states and 361 transitions. Second operand 9 states. [2020-09-25 04:00:10,281 WARN L193 SmtUtils]: Spent 319.00 ms on a formula simplification that was a NOOP. DAG size: 186 [2020-09-25 04:00:11,371 WARN L193 SmtUtils]: Spent 200.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-09-25 04:00:11,696 WARN L193 SmtUtils]: Spent 291.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-09-25 04:00:12,015 WARN L193 SmtUtils]: Spent 273.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-09-25 04:00:12,347 WARN L193 SmtUtils]: Spent 273.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-25 04:00:12,677 WARN L193 SmtUtils]: Spent 305.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-25 04:00:12,875 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-25 04:00:12,876 INFO L93 Difference]: Finished difference Result 527 states and 614 transitions. [2020-09-25 04:00:12,876 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2020-09-25 04:00:12,876 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 161 [2020-09-25 04:00:12,877 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-25 04:00:12,877 INFO L225 Difference]: With dead ends: 527 [2020-09-25 04:00:12,878 INFO L226 Difference]: Without dead ends: 0 [2020-09-25 04:00:12,881 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 32 GetRequests, 18 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 16 ImplicationChecksByTransitivity, 2.1s TimeCoverageRelationStatistics Valid=71, Invalid=169, Unknown=0, NotChecked=0, Total=240 [2020-09-25 04:00:12,882 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2020-09-25 04:00:12,882 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2020-09-25 04:00:12,882 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2020-09-25 04:00:12,882 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2020-09-25 04:00:12,883 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 161 [2020-09-25 04:00:12,883 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-25 04:00:12,883 INFO L479 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-09-25 04:00:12,883 INFO L480 AbstractCegarLoop]: Interpolant automaton has 9 states. [2020-09-25 04:00:12,883 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2020-09-25 04:00:12,883 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-09-25 04:00:12,884 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2020-09-25 04:00:12,886 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2020-09-25 04:00:13,072 WARN L193 SmtUtils]: Spent 167.00 ms on a formula simplification that was a NOOP. DAG size: 186 [2020-09-25 04:00:13,230 WARN L193 SmtUtils]: Spent 157.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-09-25 04:00:13,353 WARN L193 SmtUtils]: Spent 121.00 ms on a formula simplification. DAG size of input: 200 DAG size of output: 6 [2020-09-25 04:00:13,515 WARN L193 SmtUtils]: Spent 157.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-09-25 04:00:13,674 WARN L193 SmtUtils]: Spent 156.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-09-25 04:00:13,830 WARN L193 SmtUtils]: Spent 149.00 ms on a formula simplification that was a NOOP. DAG size: 186 [2020-09-25 04:00:13,993 WARN L193 SmtUtils]: Spent 162.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-09-25 04:00:14,150 WARN L193 SmtUtils]: Spent 150.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-09-25 04:00:14,303 WARN L193 SmtUtils]: Spent 151.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-09-25 04:00:14,405 WARN L193 SmtUtils]: Spent 101.00 ms on a formula simplification. DAG size of input: 200 DAG size of output: 6 [2020-09-25 04:00:14,513 WARN L193 SmtUtils]: Spent 106.00 ms on a formula simplification. DAG size of input: 199 DAG size of output: 6 [2020-09-25 04:00:14,832 WARN L193 SmtUtils]: Spent 317.00 ms on a formula simplification. DAG size of input: 191 DAG size of output: 187 [2020-09-25 04:00:15,146 WARN L193 SmtUtils]: Spent 311.00 ms on a formula simplification. DAG size of input: 191 DAG size of output: 187 [2020-09-25 04:00:15,457 WARN L193 SmtUtils]: Spent 310.00 ms on a formula simplification. DAG size of input: 191 DAG size of output: 187 [2020-09-25 04:00:15,597 WARN L193 SmtUtils]: Spent 138.00 ms on a formula simplification that was a NOOP. DAG size: 184 [2020-09-25 04:00:15,745 WARN L193 SmtUtils]: Spent 147.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-09-25 04:00:15,894 WARN L193 SmtUtils]: Spent 147.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-09-25 04:00:16,042 WARN L193 SmtUtils]: Spent 147.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-09-25 04:00:16,188 WARN L193 SmtUtils]: Spent 143.00 ms on a formula simplification that was a NOOP. DAG size: 186 [2020-09-25 04:00:16,336 WARN L193 SmtUtils]: Spent 146.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-09-25 04:00:16,484 WARN L193 SmtUtils]: Spent 147.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-09-25 04:00:16,629 WARN L193 SmtUtils]: Spent 143.00 ms on a formula simplification that was a NOOP. DAG size: 186 [2020-09-25 04:00:16,774 WARN L193 SmtUtils]: Spent 142.00 ms on a formula simplification that was a NOOP. DAG size: 186 [2020-09-25 04:00:16,927 WARN L193 SmtUtils]: Spent 150.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-09-25 04:00:17,076 WARN L193 SmtUtils]: Spent 147.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-09-25 04:00:17,224 WARN L193 SmtUtils]: Spent 146.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-09-25 04:00:17,539 WARN L193 SmtUtils]: Spent 312.00 ms on a formula simplification. DAG size of input: 191 DAG size of output: 189 [2020-09-25 04:00:17,856 WARN L193 SmtUtils]: Spent 312.00 ms on a formula simplification. DAG size of input: 191 DAG size of output: 189 [2020-09-25 04:00:18,169 WARN L193 SmtUtils]: Spent 311.00 ms on a formula simplification. DAG size of input: 191 DAG size of output: 189 [2020-09-25 04:00:18,403 WARN L193 SmtUtils]: Spent 231.00 ms on a formula simplification. DAG size of input: 188 DAG size of output: 186 [2020-09-25 04:00:18,651 WARN L193 SmtUtils]: Spent 148.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-09-25 04:00:18,800 WARN L193 SmtUtils]: Spent 147.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-09-25 04:00:18,951 WARN L193 SmtUtils]: Spent 148.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-09-25 04:00:19,099 WARN L193 SmtUtils]: Spent 147.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-09-25 04:00:19,243 WARN L193 SmtUtils]: Spent 142.00 ms on a formula simplification that was a NOOP. DAG size: 186 [2020-09-25 04:00:19,391 WARN L193 SmtUtils]: Spent 147.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-09-25 04:00:19,547 WARN L193 SmtUtils]: Spent 147.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-09-25 04:00:19,692 WARN L193 SmtUtils]: Spent 143.00 ms on a formula simplification that was a NOOP. DAG size: 186 [2020-09-25 04:00:19,839 WARN L193 SmtUtils]: Spent 142.00 ms on a formula simplification that was a NOOP. DAG size: 186 [2020-09-25 04:00:19,987 WARN L193 SmtUtils]: Spent 147.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-09-25 04:00:20,139 WARN L193 SmtUtils]: Spent 147.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-09-25 04:00:20,241 WARN L193 SmtUtils]: Spent 100.00 ms on a formula simplification. DAG size of input: 200 DAG size of output: 6 [2020-09-25 04:00:20,396 WARN L193 SmtUtils]: Spent 147.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-09-25 04:00:20,541 WARN L193 SmtUtils]: Spent 142.00 ms on a formula simplification that was a NOOP. DAG size: 186 [2020-09-25 04:00:20,695 WARN L193 SmtUtils]: Spent 147.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-09-25 04:00:21,009 WARN L193 SmtUtils]: Spent 311.00 ms on a formula simplification. DAG size of input: 191 DAG size of output: 189 [2020-09-25 04:00:21,323 WARN L193 SmtUtils]: Spent 313.00 ms on a formula simplification. DAG size of input: 191 DAG size of output: 189 [2020-09-25 04:00:21,638 WARN L193 SmtUtils]: Spent 312.00 ms on a formula simplification. DAG size of input: 191 DAG size of output: 189 [2020-09-25 04:00:21,870 WARN L193 SmtUtils]: Spent 230.00 ms on a formula simplification. DAG size of input: 188 DAG size of output: 186 [2020-09-25 04:00:22,018 WARN L193 SmtUtils]: Spent 146.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-09-25 04:00:22,173 WARN L193 SmtUtils]: Spent 147.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-09-25 04:00:22,317 WARN L193 SmtUtils]: Spent 142.00 ms on a formula simplification that was a NOOP. DAG size: 186 [2020-09-25 04:00:22,563 WARN L193 SmtUtils]: Spent 147.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-09-25 04:00:22,717 WARN L193 SmtUtils]: Spent 147.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-09-25 04:00:22,877 WARN L193 SmtUtils]: Spent 147.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-09-25 04:00:23,023 WARN L193 SmtUtils]: Spent 143.00 ms on a formula simplification that was a NOOP. DAG size: 186 [2020-09-25 04:00:23,174 WARN L193 SmtUtils]: Spent 146.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-09-25 04:00:23,323 WARN L193 SmtUtils]: Spent 146.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-09-25 04:00:23,470 WARN L193 SmtUtils]: Spent 146.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-09-25 04:00:23,616 WARN L193 SmtUtils]: Spent 144.00 ms on a formula simplification that was a NOOP. DAG size: 186 [2020-09-25 04:00:24,020 WARN L193 SmtUtils]: Spent 396.00 ms on a formula simplification. DAG size of input: 135 DAG size of output: 7 [2020-09-25 04:00:24,210 WARN L193 SmtUtils]: Spent 172.00 ms on a formula simplification. DAG size of input: 136 DAG size of output: 20 [2020-09-25 04:00:24,395 WARN L193 SmtUtils]: Spent 182.00 ms on a formula simplification. DAG size of input: 133 DAG size of output: 1 [2020-09-25 04:00:24,610 WARN L193 SmtUtils]: Spent 192.00 ms on a formula simplification. DAG size of input: 136 DAG size of output: 20 [2020-09-25 04:00:24,821 WARN L193 SmtUtils]: Spent 209.00 ms on a formula simplification. DAG size of input: 136 DAG size of output: 20 [2020-09-25 04:00:25,032 WARN L193 SmtUtils]: Spent 185.00 ms on a formula simplification. DAG size of input: 128 DAG size of output: 8 [2020-09-25 04:00:25,295 WARN L193 SmtUtils]: Spent 260.00 ms on a formula simplification that was a NOOP. DAG size: 184 [2020-09-25 04:00:25,703 WARN L193 SmtUtils]: Spent 405.00 ms on a formula simplification. DAG size of input: 136 DAG size of output: 11 [2020-09-25 04:00:25,943 WARN L193 SmtUtils]: Spent 224.00 ms on a formula simplification. DAG size of input: 133 DAG size of output: 1 [2020-09-25 04:00:26,270 WARN L193 SmtUtils]: Spent 324.00 ms on a formula simplification. DAG size of input: 134 DAG size of output: 8 [2020-09-25 04:00:26,680 WARN L193 SmtUtils]: Spent 408.00 ms on a formula simplification. DAG size of input: 136 DAG size of output: 11 [2020-09-25 04:00:26,919 WARN L193 SmtUtils]: Spent 214.00 ms on a formula simplification. DAG size of input: 136 DAG size of output: 20 [2020-09-25 04:00:27,318 WARN L193 SmtUtils]: Spent 391.00 ms on a formula simplification. DAG size of input: 134 DAG size of output: 8 [2020-09-25 04:00:27,504 WARN L193 SmtUtils]: Spent 169.00 ms on a formula simplification. DAG size of input: 133 DAG size of output: 1