/usr/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata ./data -tc ../../../trunk/examples/toolchains/AutomizerC.xml --traceabstraction.trace.refinement.strategy FIXED_PREFERENCES --traceabstraction.compute.interpolants.along.a.counterexample Craig_NestedInterpolation --traceabstraction.smt.solver Internal_SMTInterpol --traceabstraction.compute.trace.for.counterexample.result false --rcfgbuilder.size.of.a.code.block SingleStatement --traceabstraction.use.minimal.unsat.core.enumeration true --traceabstraction.additional.smt.options produce-proofs=true --traceabstraction.additional.smt.options produce-unsat-cores=true --traceabstraction.additional.smt.options enumeration-timeout=5000 --traceabstraction.additional.smt.options interpolation-heuristic=WIDESTAMONGSMALL --traceabstraction.additional.smt.options tolerance=0.6 --traceabstraction.additional.smt.options log-additional-information=true -s ../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf -i ../../../trunk/examples/svcomp/product-lines/minepump_spec1_product24.cil.c -------------------------------------------------------------------------------- This is Ultimate 0.1.25-c90d42b [2020-09-25 06:16:24,958 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-09-25 06:16:24,962 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-09-25 06:16:24,989 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-09-25 06:16:24,989 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-09-25 06:16:24,991 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-09-25 06:16:24,992 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-09-25 06:16:24,994 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-09-25 06:16:24,996 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-09-25 06:16:24,997 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-09-25 06:16:24,998 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-09-25 06:16:24,999 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-09-25 06:16:25,000 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-09-25 06:16:25,001 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-09-25 06:16:25,002 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-09-25 06:16:25,004 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-09-25 06:16:25,005 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-09-25 06:16:25,006 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-09-25 06:16:25,008 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-09-25 06:16:25,013 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-09-25 06:16:25,014 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-09-25 06:16:25,016 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-09-25 06:16:25,021 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-09-25 06:16:25,023 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-09-25 06:16:25,025 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-09-25 06:16:25,027 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-09-25 06:16:25,027 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-09-25 06:16:25,028 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-09-25 06:16:25,030 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-09-25 06:16:25,031 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-09-25 06:16:25,031 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-09-25 06:16:25,032 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-09-25 06:16:25,033 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-09-25 06:16:25,035 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-09-25 06:16:25,037 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-09-25 06:16:25,037 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-09-25 06:16:25,038 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-09-25 06:16:25,038 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-09-25 06:16:25,038 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-09-25 06:16:25,039 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-09-25 06:16:25,050 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-09-25 06:16:25,051 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf [2020-09-25 06:16:25,106 INFO L113 SettingsManager]: Loading preferences was successful [2020-09-25 06:16:25,107 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-09-25 06:16:25,108 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-09-25 06:16:25,108 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-09-25 06:16:25,108 INFO L138 SettingsManager]: * Use SBE=true [2020-09-25 06:16:25,109 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-09-25 06:16:25,109 INFO L138 SettingsManager]: * sizeof long=4 [2020-09-25 06:16:25,109 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-09-25 06:16:25,110 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-09-25 06:16:25,110 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-09-25 06:16:25,110 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-09-25 06:16:25,110 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-09-25 06:16:25,110 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-09-25 06:16:25,111 INFO L138 SettingsManager]: * sizeof long double=12 [2020-09-25 06:16:25,112 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-09-25 06:16:25,112 INFO L138 SettingsManager]: * Use constant arrays=true [2020-09-25 06:16:25,112 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-09-25 06:16:25,112 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-09-25 06:16:25,113 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-09-25 06:16:25,113 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-09-25 06:16:25,113 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-09-25 06:16:25,113 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-09-25 06:16:25,113 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-09-25 06:16:25,114 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-09-25 06:16:25,114 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-09-25 06:16:25,114 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-09-25 06:16:25,114 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-09-25 06:16:25,114 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-09-25 06:16:25,114 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-09-25 06:16:25,115 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Trace refinement strategy -> FIXED_PREFERENCES Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute Interpolants along a Counterexample -> Craig_NestedInterpolation Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: SMT solver -> Internal_SMTInterpol Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute trace for counterexample result -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder: Size of a code block -> SingleStatement Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Use minimal unsat core enumeration -> true Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=5000;interpolation-heuristic=WIDESTAMONGSMALL;tolerance=0.6;log-additional-information=true; Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=5000;interpolation-heuristic=WIDESTAMONGSMALL;tolerance=0.6;log-additional-information=true; Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=5000;interpolation-heuristic=WIDESTAMONGSMALL;tolerance=0.6;log-additional-information=true; Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=5000;interpolation-heuristic=WIDESTAMONGSMALL;tolerance=0.6;log-additional-information=true; Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=5000;interpolation-heuristic=WIDESTAMONGSMALL;tolerance=0.6;log-additional-information=true; Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=5000;interpolation-heuristic=WIDESTAMONGSMALL;tolerance=0.6;log-additional-information=true; [2020-09-25 06:16:25,613 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-09-25 06:16:25,629 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-09-25 06:16:25,634 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-09-25 06:16:25,636 INFO L271 PluginConnector]: Initializing CDTParser... [2020-09-25 06:16:25,636 INFO L275 PluginConnector]: CDTParser initialized [2020-09-25 06:16:25,638 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/product-lines/minepump_spec1_product24.cil.c [2020-09-25 06:16:25,726 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/990673314/820ac98435504069a2e18237e976d334/FLAGeeaad85ac [2020-09-25 06:16:26,344 INFO L306 CDTParser]: Found 1 translation units. [2020-09-25 06:16:26,345 INFO L160 CDTParser]: Scanning /storage/repos/ultimate-2/trunk/examples/svcomp/product-lines/minepump_spec1_product24.cil.c [2020-09-25 06:16:26,360 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/990673314/820ac98435504069a2e18237e976d334/FLAGeeaad85ac [2020-09-25 06:16:26,643 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/990673314/820ac98435504069a2e18237e976d334 [2020-09-25 06:16:26,658 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-09-25 06:16:26,665 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-09-25 06:16:26,666 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-09-25 06:16:26,666 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-09-25 06:16:26,670 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-09-25 06:16:26,671 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.09 06:16:26" (1/1) ... [2020-09-25 06:16:26,677 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@bbef4a1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 06:16:26, skipping insertion in model container [2020-09-25 06:16:26,677 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.09 06:16:26" (1/1) ... [2020-09-25 06:16:26,686 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-09-25 06:16:26,759 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-09-25 06:16:27,198 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-09-25 06:16:27,218 INFO L203 MainTranslator]: Completed pre-run [2020-09-25 06:16:27,328 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-09-25 06:16:27,375 INFO L208 MainTranslator]: Completed translation [2020-09-25 06:16:27,375 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 06:16:27 WrapperNode [2020-09-25 06:16:27,375 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-09-25 06:16:27,376 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-09-25 06:16:27,376 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-09-25 06:16:27,376 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-09-25 06:16:27,390 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 06:16:27" (1/1) ... [2020-09-25 06:16:27,390 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 06:16:27" (1/1) ... [2020-09-25 06:16:27,410 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 06:16:27" (1/1) ... [2020-09-25 06:16:27,411 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 06:16:27" (1/1) ... [2020-09-25 06:16:27,442 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 06:16:27" (1/1) ... [2020-09-25 06:16:27,454 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 06:16:27" (1/1) ... [2020-09-25 06:16:27,459 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 06:16:27" (1/1) ... [2020-09-25 06:16:27,468 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-09-25 06:16:27,468 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-09-25 06:16:27,468 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-09-25 06:16:27,469 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-09-25 06:16:27,470 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 06:16:27" (1/1) ... No working directory specified, using /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-09-25 06:16:27,543 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-09-25 06:16:27,543 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-09-25 06:16:27,543 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~X~int~TO~int [2020-09-25 06:16:27,543 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_set [2020-09-25 06:16:27,543 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_free [2020-09-25 06:16:27,543 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_reset [2020-09-25 06:16:27,543 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__error_stack_mgt [2020-09-25 06:16:27,544 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_arg [2020-09-25 06:16:27,544 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_argtype [2020-09-25 06:16:27,544 INFO L138 BoogieDeclarations]: Found implementation of procedure lowerWaterLevel [2020-09-25 06:16:27,544 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2020-09-25 06:16:27,544 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2020-09-25 06:16:27,545 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2020-09-25 06:16:27,545 INFO L138 BoogieDeclarations]: Found implementation of procedure printEnvironment [2020-09-25 06:16:27,545 INFO L138 BoogieDeclarations]: Found implementation of procedure getWaterLevel [2020-09-25 06:16:27,545 INFO L138 BoogieDeclarations]: Found implementation of procedure isLowWaterSensorDry [2020-09-25 06:16:27,545 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification1_spec__1 [2020-09-25 06:16:27,546 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2020-09-25 06:16:27,546 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2020-09-25 06:16:27,546 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2020-09-25 06:16:27,546 INFO L138 BoogieDeclarations]: Found implementation of procedure Specification2 [2020-09-25 06:16:27,546 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2020-09-25 06:16:27,547 INFO L138 BoogieDeclarations]: Found implementation of procedure runTest [2020-09-25 06:16:27,547 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-09-25 06:16:27,547 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2020-09-25 06:16:27,547 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__base [2020-09-25 06:16:27,547 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__lowWaterSensor [2020-09-25 06:16:27,548 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment [2020-09-25 06:16:27,548 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump [2020-09-25 06:16:27,548 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivatePump [2020-09-25 06:16:27,548 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneAlarm [2020-09-25 06:16:27,548 INFO L138 BoogieDeclarations]: Found implementation of procedure isPumpRunning [2020-09-25 06:16:27,548 INFO L138 BoogieDeclarations]: Found implementation of procedure printPump [2020-09-25 06:16:27,549 INFO L138 BoogieDeclarations]: Found implementation of procedure isLowWaterLevel [2020-09-25 06:16:27,549 INFO L138 BoogieDeclarations]: Found implementation of procedure stopSystem [2020-09-25 06:16:27,549 INFO L138 BoogieDeclarations]: Found implementation of procedure startSystem [2020-09-25 06:16:27,549 INFO L138 BoogieDeclarations]: Found implementation of procedure select_one [2020-09-25 06:16:27,549 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2020-09-25 06:16:27,549 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2020-09-25 06:16:27,549 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2020-09-25 06:16:27,550 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2020-09-25 06:16:27,550 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2020-09-25 06:16:27,550 INFO L130 BoogieDeclarations]: Found specification of procedure printf [2020-09-25 06:16:27,550 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2020-09-25 06:16:27,550 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2020-09-25 06:16:27,550 INFO L130 BoogieDeclarations]: Found specification of procedure free [2020-09-25 06:16:27,551 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_set [2020-09-25 06:16:27,551 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2020-09-25 06:16:27,551 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2020-09-25 06:16:27,551 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-09-25 06:16:27,551 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2020-09-25 06:16:27,551 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_free [2020-09-25 06:16:27,551 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-09-25 06:16:27,552 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_reset [2020-09-25 06:16:27,552 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~X~int~TO~int [2020-09-25 06:16:27,552 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2020-09-25 06:16:27,552 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__error_stack_mgt [2020-09-25 06:16:27,552 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_arg [2020-09-25 06:16:27,553 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-09-25 06:16:27,553 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_argtype [2020-09-25 06:16:27,553 INFO L130 BoogieDeclarations]: Found specification of procedure lowerWaterLevel [2020-09-25 06:16:27,553 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2020-09-25 06:16:27,553 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2020-09-25 06:16:27,553 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2020-09-25 06:16:27,554 INFO L130 BoogieDeclarations]: Found specification of procedure getWaterLevel [2020-09-25 06:16:27,554 INFO L130 BoogieDeclarations]: Found specification of procedure printEnvironment [2020-09-25 06:16:27,554 INFO L130 BoogieDeclarations]: Found specification of procedure isLowWaterSensorDry [2020-09-25 06:16:27,554 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2020-09-25 06:16:27,554 INFO L130 BoogieDeclarations]: Found specification of procedure isPumpRunning [2020-09-25 06:16:27,554 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification1_spec__1 [2020-09-25 06:16:27,555 INFO L130 BoogieDeclarations]: Found specification of procedure startSystem [2020-09-25 06:16:27,555 INFO L130 BoogieDeclarations]: Found specification of procedure stopSystem [2020-09-25 06:16:27,555 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2020-09-25 06:16:27,555 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2020-09-25 06:16:27,555 INFO L130 BoogieDeclarations]: Found specification of procedure test [2020-09-25 06:16:27,555 INFO L130 BoogieDeclarations]: Found specification of procedure printPump [2020-09-25 06:16:27,556 INFO L130 BoogieDeclarations]: Found specification of procedure Specification2 [2020-09-25 06:16:27,556 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2020-09-25 06:16:27,556 INFO L130 BoogieDeclarations]: Found specification of procedure runTest [2020-09-25 06:16:27,556 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2020-09-25 06:16:27,556 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2020-09-25 06:16:27,556 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2020-09-25 06:16:27,557 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-09-25 06:16:27,557 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump [2020-09-25 06:16:27,557 INFO L130 BoogieDeclarations]: Found specification of procedure deactivatePump [2020-09-25 06:16:27,557 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment [2020-09-25 06:16:27,557 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__base [2020-09-25 06:16:27,557 INFO L130 BoogieDeclarations]: Found specification of procedure isLowWaterLevel [2020-09-25 06:16:27,558 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__lowWaterSensor [2020-09-25 06:16:27,558 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneAlarm [2020-09-25 06:16:27,558 INFO L130 BoogieDeclarations]: Found specification of procedure select_one [2020-09-25 06:16:27,558 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-09-25 06:16:27,558 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-09-25 06:16:27,558 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-09-25 06:16:28,745 INFO L290 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-09-25 06:16:28,745 INFO L295 CfgBuilder]: Removed 5 assume(true) statements. [2020-09-25 06:16:28,752 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.09 06:16:28 BoogieIcfgContainer [2020-09-25 06:16:28,752 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-09-25 06:16:28,753 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-09-25 06:16:28,754 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-09-25 06:16:28,757 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-09-25 06:16:28,758 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 25.09 06:16:26" (1/3) ... [2020-09-25 06:16:28,758 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7af2196c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 25.09 06:16:28, skipping insertion in model container [2020-09-25 06:16:28,759 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 06:16:27" (2/3) ... [2020-09-25 06:16:28,759 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7af2196c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 25.09 06:16:28, skipping insertion in model container [2020-09-25 06:16:28,759 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.09 06:16:28" (3/3) ... [2020-09-25 06:16:28,761 INFO L109 eAbstractionObserver]: Analyzing ICFG minepump_spec1_product24.cil.c [2020-09-25 06:16:28,773 INFO L157 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:Craig_NestedInterpolation Determinization: PREDICATE_ABSTRACTION [2020-09-25 06:16:28,783 INFO L169 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-09-25 06:16:28,802 INFO L251 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-09-25 06:16:28,833 INFO L375 AbstractCegarLoop]: Interprodecural is true [2020-09-25 06:16:28,834 INFO L376 AbstractCegarLoop]: Hoare is true [2020-09-25 06:16:28,834 INFO L377 AbstractCegarLoop]: Compute interpolants for Craig_NestedInterpolation [2020-09-25 06:16:28,834 INFO L378 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-09-25 06:16:28,834 INFO L379 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-09-25 06:16:28,834 INFO L380 AbstractCegarLoop]: Difference is false [2020-09-25 06:16:28,834 INFO L381 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-09-25 06:16:28,834 INFO L385 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-09-25 06:16:28,861 INFO L276 IsEmpty]: Start isEmpty. Operand 305 states. [2020-09-25 06:16:28,879 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 143 [2020-09-25 06:16:28,879 INFO L414 BasicCegarLoop]: Found error trace [2020-09-25 06:16:28,881 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-09-25 06:16:28,881 INFO L427 AbstractCegarLoop]: === Iteration 1 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-25 06:16:28,889 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-25 06:16:28,889 INFO L82 PathProgramCache]: Analyzing trace with hash 779831521, now seen corresponding path program 1 times [2020-09-25 06:16:28,899 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-25 06:16:28,900 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [957355711] [2020-09-25 06:16:28,900 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-25 06:16:29,270 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 06:16:29,475 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 06:16:29,647 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 06:16:31,279 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 06:16:32,277 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 06:16:34,345 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 06:16:34,346 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 173 [2020-09-25 06:16:34,347 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 4 [2020-09-25 06:16:34,348 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5064 [2020-09-25 06:16:34,353 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 06:16:34,353 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-09-25 06:16:34,354 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 06:16:34,354 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 129 [2020-09-25 06:16:34,354 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 06:16:34,355 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 6 [2020-09-25 06:16:34,988 WARN L193 SmtUtils]: Spent 424.00 ms on a formula simplification that was a NOOP. DAG size: 184 [2020-09-25 06:16:34,993 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-25 06:16:35,026 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 06:16:35,041 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 06:16:35,180 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 06:16:35,180 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 85 [2020-09-25 06:16:35,181 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 06:16:35,181 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 152 [2020-09-25 06:16:35,182 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 06:16:35,182 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-09-25 06:16:35,182 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 06:16:35,183 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 06:16:35,183 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 06:16:35,184 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 2 [2020-09-25 06:16:35,292 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2020-09-25 06:16:35,294 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 06:16:35,296 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 06:16:35,299 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 06:16:35,300 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 06:16:35,300 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 06:16:35,301 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-09-25 06:16:35,301 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 06:16:35,301 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-09-25 06:16:35,302 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 06:16:35,302 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 06:16:35,303 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 06:16:35,303 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 2 [2020-09-25 06:16:35,311 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 86 [2020-09-25 06:16:35,318 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 06:16:35,319 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 06:16:35,326 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 06:16:35,327 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 06:16:35,327 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 06:16:35,327 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 8 [2020-09-25 06:16:35,330 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 06:16:35,330 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-09-25 06:16:35,331 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 06:16:35,331 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 06:16:35,332 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 06:16:35,332 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 2 [2020-09-25 06:16:35,334 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2020-09-25 06:16:35,337 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 06:16:35,341 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 06:16:35,346 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 06:16:35,347 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 06:16:35,347 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 06:16:35,348 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-09-25 06:16:35,348 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 06:16:35,348 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-09-25 06:16:35,349 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 06:16:35,349 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 06:16:35,350 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 06:16:35,350 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 2 [2020-09-25 06:16:35,352 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 99 [2020-09-25 06:16:35,353 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 06:16:35,355 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 06:16:35,358 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 06:16:35,358 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 06:16:35,358 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 06:16:35,359 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-09-25 06:16:35,359 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 06:16:35,360 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-09-25 06:16:35,360 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 06:16:35,360 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 06:16:35,361 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 06:16:35,361 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 06:16:35,363 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 120 [2020-09-25 06:16:35,365 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 06:16:35,366 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 06:16:35,371 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 06:16:35,372 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 06:16:35,372 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 06:16:35,372 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-09-25 06:16:35,373 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 06:16:35,373 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-09-25 06:16:35,374 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 06:16:35,374 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-09-25 06:16:35,374 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 06:16:35,375 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 06:16:35,378 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 130 [2020-09-25 06:16:35,381 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 06:16:35,384 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 06:16:35,387 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 06:16:35,387 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 06:16:35,387 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 06:16:35,388 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-09-25 06:16:35,388 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 06:16:35,389 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-09-25 06:16:35,389 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 06:16:35,389 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-09-25 06:16:35,390 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 06:16:35,390 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 06:16:35,440 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-09-25 06:16:35,441 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [957355711] [2020-09-25 06:16:35,444 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-25 06:16:35,445 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-09-25 06:16:35,446 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1162417540] [2020-09-25 06:16:35,458 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-09-25 06:16:35,459 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-25 06:16:35,485 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-09-25 06:16:35,486 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-09-25 06:16:35,490 INFO L87 Difference]: Start difference. First operand 305 states. Second operand 3 states. [2020-09-25 06:16:37,052 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-25 06:16:37,053 INFO L93 Difference]: Finished difference Result 478 states and 575 transitions. [2020-09-25 06:16:37,053 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-09-25 06:16:37,055 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 142 [2020-09-25 06:16:37,056 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-25 06:16:37,076 INFO L225 Difference]: With dead ends: 478 [2020-09-25 06:16:37,077 INFO L226 Difference]: Without dead ends: 298 [2020-09-25 06:16:37,083 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 16 GetRequests, 15 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-09-25 06:16:37,108 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 298 states. [2020-09-25 06:16:37,213 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 298 to 254. [2020-09-25 06:16:37,218 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 254 states. [2020-09-25 06:16:37,223 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 254 states to 254 states and 278 transitions. [2020-09-25 06:16:37,225 INFO L78 Accepts]: Start accepts. Automaton has 254 states and 278 transitions. Word has length 142 [2020-09-25 06:16:37,226 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-25 06:16:37,226 INFO L479 AbstractCegarLoop]: Abstraction has 254 states and 278 transitions. [2020-09-25 06:16:37,227 INFO L480 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-09-25 06:16:37,227 INFO L276 IsEmpty]: Start isEmpty. Operand 254 states and 278 transitions. [2020-09-25 06:16:37,240 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 144 [2020-09-25 06:16:37,240 INFO L414 BasicCegarLoop]: Found error trace [2020-09-25 06:16:37,241 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-09-25 06:16:37,241 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-09-25 06:16:37,242 INFO L427 AbstractCegarLoop]: === Iteration 2 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-25 06:16:37,242 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-25 06:16:37,242 INFO L82 PathProgramCache]: Analyzing trace with hash 912428730, now seen corresponding path program 1 times [2020-09-25 06:16:37,242 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-25 06:16:37,243 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [898208102] [2020-09-25 06:16:37,245 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-25 06:16:37,305 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 06:16:37,366 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 06:16:37,461 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 06:16:39,149 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 06:16:39,588 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 06:16:40,418 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 06:16:42,310 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 06:16:42,311 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 174 [2020-09-25 06:16:42,311 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 5 [2020-09-25 06:16:42,311 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5000 [2020-09-25 06:16:42,311 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 06:16:42,312 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-09-25 06:16:42,312 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 06:16:42,312 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 128 [2020-09-25 06:16:42,312 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 3 [2020-09-25 06:16:42,312 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 06:16:42,650 WARN L193 SmtUtils]: Spent 275.00 ms on a formula simplification that was a NOOP. DAG size: 184 [2020-09-25 06:16:42,651 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-25 06:16:42,666 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 06:16:42,678 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 06:16:42,795 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 06:16:42,796 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 85 [2020-09-25 06:16:42,796 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 06:16:42,796 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 126 [2020-09-25 06:16:42,796 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 06:16:42,796 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-09-25 06:16:42,797 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 06:16:42,797 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 06:16:42,797 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 06:16:42,797 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 06:16:42,925 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2020-09-25 06:16:42,926 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 06:16:42,927 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 06:16:42,929 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 06:16:42,929 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 06:16:42,930 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 06:16:42,930 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-25 06:16:42,930 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 06:16:42,931 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-09-25 06:16:42,931 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 06:16:42,932 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 06:16:42,932 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 06:16:42,932 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 06:16:42,935 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 86 [2020-09-25 06:16:42,937 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 06:16:42,938 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 06:16:42,939 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 06:16:42,940 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 06:16:42,940 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 06:16:42,940 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-25 06:16:42,940 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 06:16:42,941 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-09-25 06:16:42,941 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 06:16:42,941 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 06:16:42,941 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 06:16:42,941 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 06:16:42,947 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2020-09-25 06:16:42,948 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 06:16:42,950 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 06:16:42,957 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 06:16:42,957 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 06:16:42,958 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 06:16:42,958 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 8 [2020-09-25 06:16:42,959 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 06:16:42,959 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-09-25 06:16:42,959 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 06:16:42,960 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 06:16:42,960 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 06:16:42,961 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 06:16:42,963 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 99 [2020-09-25 06:16:42,964 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 06:16:42,965 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 06:16:42,966 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 06:16:42,967 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 06:16:42,967 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 06:16:42,967 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-25 06:16:42,968 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 06:16:42,968 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-09-25 06:16:42,968 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 06:16:42,969 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 06:16:42,969 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 06:16:42,969 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 06:16:42,971 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 121 [2020-09-25 06:16:42,972 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 06:16:42,973 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 06:16:42,976 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 06:16:42,976 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 06:16:42,976 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 06:16:42,976 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-25 06:16:42,977 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 06:16:42,977 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-09-25 06:16:42,978 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 06:16:42,978 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-09-25 06:16:42,979 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 06:16:42,979 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 2 [2020-09-25 06:16:42,981 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 131 [2020-09-25 06:16:42,982 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 06:16:42,984 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 06:16:42,985 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 06:16:42,986 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 06:16:42,986 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 06:16:42,986 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-25 06:16:42,986 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 06:16:42,986 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-09-25 06:16:42,987 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 06:16:42,987 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-09-25 06:16:42,987 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 06:16:42,987 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 06:16:43,030 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-09-25 06:16:43,030 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [898208102] [2020-09-25 06:16:43,034 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-25 06:16:43,034 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2020-09-25 06:16:43,035 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [652412652] [2020-09-25 06:16:43,038 INFO L459 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-09-25 06:16:43,038 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-25 06:16:43,039 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-09-25 06:16:43,039 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2020-09-25 06:16:43,039 INFO L87 Difference]: Start difference. First operand 254 states and 278 transitions. Second operand 4 states. [2020-09-25 06:16:43,638 WARN L193 SmtUtils]: Spent 213.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-09-25 06:16:44,857 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-25 06:16:44,858 INFO L93 Difference]: Finished difference Result 385 states and 438 transitions. [2020-09-25 06:16:44,859 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-09-25 06:16:44,859 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 143 [2020-09-25 06:16:44,860 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-25 06:16:44,869 INFO L225 Difference]: With dead ends: 385 [2020-09-25 06:16:44,869 INFO L226 Difference]: Without dead ends: 281 [2020-09-25 06:16:44,875 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 18 GetRequests, 15 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2020-09-25 06:16:44,880 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 281 states. [2020-09-25 06:16:44,955 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 281 to 244. [2020-09-25 06:16:44,955 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 244 states. [2020-09-25 06:16:44,957 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 244 states to 244 states and 265 transitions. [2020-09-25 06:16:44,958 INFO L78 Accepts]: Start accepts. Automaton has 244 states and 265 transitions. Word has length 143 [2020-09-25 06:16:44,958 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-25 06:16:44,959 INFO L479 AbstractCegarLoop]: Abstraction has 244 states and 265 transitions. [2020-09-25 06:16:44,959 INFO L480 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-09-25 06:16:44,959 INFO L276 IsEmpty]: Start isEmpty. Operand 244 states and 265 transitions. [2020-09-25 06:16:44,963 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 157 [2020-09-25 06:16:44,963 INFO L414 BasicCegarLoop]: Found error trace [2020-09-25 06:16:44,963 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-09-25 06:16:44,964 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-09-25 06:16:44,964 INFO L427 AbstractCegarLoop]: === Iteration 3 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-25 06:16:44,964 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-25 06:16:44,965 INFO L82 PathProgramCache]: Analyzing trace with hash 713806472, now seen corresponding path program 1 times [2020-09-25 06:16:44,965 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-25 06:16:44,965 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1257977416] [2020-09-25 06:16:44,966 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-25 06:16:45,033 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 06:16:45,100 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 06:16:45,358 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 06:16:46,193 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 06:16:46,324 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 06:16:50,037 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 06:16:50,037 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 187 [2020-09-25 06:16:50,038 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 4 [2020-09-25 06:16:50,038 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4999 [2020-09-25 06:16:50,038 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 06:16:50,038 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-09-25 06:16:50,038 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 06:16:50,039 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 146 [2020-09-25 06:16:50,039 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-09-25 06:16:50,039 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 06:16:50,411 WARN L193 SmtUtils]: Spent 297.00 ms on a formula simplification that was a NOOP. DAG size: 184 [2020-09-25 06:16:50,412 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-25 06:16:50,424 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 06:16:50,434 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 06:16:50,534 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 06:16:50,535 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 85 [2020-09-25 06:16:50,535 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 06:16:50,535 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 108 [2020-09-25 06:16:50,536 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 06:16:50,536 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-09-25 06:16:50,536 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 06:16:50,537 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 06:16:50,537 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 06:16:50,538 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 06:16:50,580 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2020-09-25 06:16:50,581 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 06:16:50,582 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 06:16:50,583 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 06:16:50,584 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 06:16:50,584 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 06:16:50,585 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-25 06:16:50,585 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 06:16:50,585 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-09-25 06:16:50,586 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 06:16:50,586 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 06:16:50,587 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 06:16:50,587 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 06:16:50,588 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 86 [2020-09-25 06:16:50,589 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 06:16:50,590 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 06:16:50,591 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 06:16:50,592 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 06:16:50,593 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 06:16:50,593 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-25 06:16:50,593 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 06:16:50,594 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-09-25 06:16:50,594 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 06:16:50,594 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 06:16:50,595 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 06:16:50,595 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 06:16:50,596 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2020-09-25 06:16:50,597 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 06:16:50,598 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 06:16:50,602 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 06:16:50,603 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 06:16:50,603 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 06:16:50,603 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-09-25 06:16:50,604 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 06:16:50,604 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-09-25 06:16:50,604 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 06:16:50,605 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 06:16:50,605 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 06:16:50,605 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 06:16:50,607 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 99 [2020-09-25 06:16:50,608 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 06:16:50,609 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 06:16:50,611 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 06:16:50,611 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 06:16:50,611 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 06:16:50,612 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-25 06:16:50,612 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 06:16:50,613 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-09-25 06:16:50,613 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 06:16:50,613 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 06:16:50,614 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 06:16:50,614 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 06:16:50,626 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2020-09-25 06:16:50,628 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 06:16:50,629 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 06:16:50,633 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 06:16:50,633 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-25 06:16:50,634 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 06:16:50,635 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-09-25 06:16:50,635 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 06:16:50,636 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-09-25 06:16:50,636 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 06:16:50,636 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 06:16:50,637 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-09-25 06:16:50,637 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 06:16:50,639 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 134 [2020-09-25 06:16:50,640 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 06:16:50,642 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 06:16:50,644 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 06:16:50,644 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 06:16:50,645 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 06:16:50,645 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-25 06:16:50,645 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 06:16:50,646 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-09-25 06:16:50,646 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 06:16:50,646 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-09-25 06:16:50,647 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 06:16:50,647 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 06:16:50,651 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 144 [2020-09-25 06:16:50,652 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 06:16:50,653 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 06:16:50,655 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 06:16:50,655 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 06:16:50,655 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 06:16:50,655 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-25 06:16:50,656 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 06:16:50,656 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-09-25 06:16:50,656 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 06:16:50,656 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-09-25 06:16:50,657 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 06:16:50,657 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 06:16:50,709 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-09-25 06:16:50,710 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1257977416] [2020-09-25 06:16:50,710 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-25 06:16:50,711 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2020-09-25 06:16:50,711 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [332633220] [2020-09-25 06:16:50,712 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-09-25 06:16:50,713 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-25 06:16:50,713 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-09-25 06:16:50,715 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-09-25 06:16:50,715 INFO L87 Difference]: Start difference. First operand 244 states and 265 transitions. Second operand 5 states. [2020-09-25 06:16:51,232 WARN L193 SmtUtils]: Spent 211.00 ms on a formula simplification that was a NOOP. DAG size: 186 [2020-09-25 06:16:52,992 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-25 06:16:52,992 INFO L93 Difference]: Finished difference Result 582 states and 682 transitions. [2020-09-25 06:16:52,993 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2020-09-25 06:16:52,993 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 156 [2020-09-25 06:16:52,994 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-25 06:16:52,998 INFO L225 Difference]: With dead ends: 582 [2020-09-25 06:16:52,998 INFO L226 Difference]: Without dead ends: 448 [2020-09-25 06:16:52,999 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 23 GetRequests, 18 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=18, Invalid=24, Unknown=0, NotChecked=0, Total=42 [2020-09-25 06:16:53,000 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 448 states. [2020-09-25 06:16:53,066 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 448 to 368. [2020-09-25 06:16:53,067 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 368 states. [2020-09-25 06:16:53,069 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 368 states to 368 states and 411 transitions. [2020-09-25 06:16:53,069 INFO L78 Accepts]: Start accepts. Automaton has 368 states and 411 transitions. Word has length 156 [2020-09-25 06:16:53,070 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-25 06:16:53,070 INFO L479 AbstractCegarLoop]: Abstraction has 368 states and 411 transitions. [2020-09-25 06:16:53,070 INFO L480 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-09-25 06:16:53,070 INFO L276 IsEmpty]: Start isEmpty. Operand 368 states and 411 transitions. [2020-09-25 06:16:53,072 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 162 [2020-09-25 06:16:53,072 INFO L414 BasicCegarLoop]: Found error trace [2020-09-25 06:16:53,073 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-09-25 06:16:53,073 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-09-25 06:16:53,073 INFO L427 AbstractCegarLoop]: === Iteration 4 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-25 06:16:53,073 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-25 06:16:53,073 INFO L82 PathProgramCache]: Analyzing trace with hash 1380327011, now seen corresponding path program 1 times [2020-09-25 06:16:53,074 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-25 06:16:53,074 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [662983226] [2020-09-25 06:16:53,074 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-25 06:16:53,120 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 06:16:53,169 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 06:16:53,902 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 06:16:53,995 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 06:16:56,809 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 06:16:58,149 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 06:16:58,150 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 192 [2020-09-25 06:16:58,150 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 4 [2020-09-25 06:16:58,150 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5027 [2020-09-25 06:16:58,150 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 06:16:58,151 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-09-25 06:16:58,151 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 8 [2020-09-25 06:16:58,151 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 150 [2020-09-25 06:16:58,151 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 38 [2020-09-25 06:16:58,152 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 06:16:58,508 WARN L193 SmtUtils]: Spent 233.00 ms on a formula simplification that was a NOOP. DAG size: 184 [2020-09-25 06:16:58,509 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-25 06:16:58,517 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 06:16:58,526 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 06:16:58,614 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 06:16:58,614 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 85 [2020-09-25 06:16:58,615 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 06:16:58,615 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 96 [2020-09-25 06:16:58,615 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 06:16:58,615 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-09-25 06:16:58,615 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 06:16:58,616 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 06:16:58,616 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 06:16:58,616 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 06:16:58,644 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2020-09-25 06:16:58,645 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 06:16:58,646 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 06:16:58,647 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 06:16:58,647 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 06:16:58,648 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 06:16:58,648 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-25 06:16:58,648 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 06:16:58,648 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-09-25 06:16:58,648 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 06:16:58,649 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 06:16:58,649 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 06:16:58,649 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 06:16:58,650 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 86 [2020-09-25 06:16:58,650 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 06:16:58,651 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 06:16:58,652 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 06:16:58,652 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 06:16:58,652 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 06:16:58,653 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-25 06:16:58,653 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 06:16:58,653 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-09-25 06:16:58,653 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 06:16:58,654 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 06:16:58,654 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 06:16:58,654 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 06:16:58,655 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2020-09-25 06:16:58,655 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 06:16:58,656 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 06:16:58,659 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 06:16:58,660 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 06:16:58,660 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 06:16:58,660 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-25 06:16:58,660 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 06:16:58,660 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-09-25 06:16:58,661 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 06:16:58,661 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 06:16:58,661 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 06:16:58,661 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 06:16:58,663 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 99 [2020-09-25 06:16:58,663 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 06:16:58,664 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 06:16:58,665 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 06:16:58,666 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 06:16:58,666 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 06:16:58,666 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-25 06:16:58,666 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 06:16:58,666 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-09-25 06:16:58,667 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 06:16:58,667 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 06:16:58,667 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 06:16:58,667 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 06:16:58,682 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 128 [2020-09-25 06:16:58,683 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 06:16:58,685 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 06:16:58,689 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 06:16:58,690 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-09-25 06:16:58,690 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 06:16:58,690 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-09-25 06:16:58,690 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 06:16:58,690 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-09-25 06:16:58,691 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 06:16:58,691 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 06:16:58,691 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-09-25 06:16:58,691 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 06:16:58,695 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 139 [2020-09-25 06:16:58,696 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 06:16:58,698 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 06:16:58,700 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 06:16:58,700 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 06:16:58,701 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 06:16:58,701 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-25 06:16:58,701 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 06:16:58,701 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-09-25 06:16:58,702 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 06:16:58,702 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 06:16:58,702 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-09-25 06:16:58,702 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 06:16:58,704 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 149 [2020-09-25 06:16:58,705 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 06:16:58,707 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 06:16:58,715 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 06:16:58,715 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 06:16:58,715 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 06:16:58,715 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 8 [2020-09-25 06:16:58,716 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 06:16:58,716 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-09-25 06:16:58,716 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-09-25 06:16:58,716 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 06:16:58,716 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-09-25 06:16:58,717 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 06:16:58,768 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-09-25 06:16:58,769 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [662983226] [2020-09-25 06:16:58,769 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-25 06:16:58,769 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2020-09-25 06:16:58,770 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1608245631] [2020-09-25 06:16:58,770 INFO L459 AbstractCegarLoop]: Interpolant automaton has 9 states [2020-09-25 06:16:58,770 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-25 06:16:58,771 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2020-09-25 06:16:58,771 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=56, Unknown=0, NotChecked=0, Total=72 [2020-09-25 06:16:58,771 INFO L87 Difference]: Start difference. First operand 368 states and 411 transitions. Second operand 9 states. [2020-09-25 06:16:59,261 WARN L193 SmtUtils]: Spent 236.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-09-25 06:17:00,418 WARN L193 SmtUtils]: Spent 230.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-25 06:17:00,725 WARN L193 SmtUtils]: Spent 271.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-25 06:17:01,043 WARN L193 SmtUtils]: Spent 277.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-09-25 06:17:01,345 WARN L193 SmtUtils]: Spent 264.00 ms on a formula simplification that was a NOOP. DAG size: 195 [2020-09-25 06:17:01,642 WARN L193 SmtUtils]: Spent 271.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-09-25 06:17:01,870 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-25 06:17:01,870 INFO L93 Difference]: Finished difference Result 577 states and 678 transitions. [2020-09-25 06:17:01,870 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2020-09-25 06:17:01,871 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 161 [2020-09-25 06:17:01,873 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-25 06:17:01,873 INFO L225 Difference]: With dead ends: 577 [2020-09-25 06:17:01,873 INFO L226 Difference]: Without dead ends: 0 [2020-09-25 06:17:01,876 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 33 GetRequests, 19 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 16 ImplicationChecksByTransitivity, 1.9s TimeCoverageRelationStatistics Valid=71, Invalid=169, Unknown=0, NotChecked=0, Total=240 [2020-09-25 06:17:01,877 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2020-09-25 06:17:01,877 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2020-09-25 06:17:01,877 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2020-09-25 06:17:01,877 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2020-09-25 06:17:01,877 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 161 [2020-09-25 06:17:01,877 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-25 06:17:01,878 INFO L479 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-09-25 06:17:01,878 INFO L480 AbstractCegarLoop]: Interpolant automaton has 9 states. [2020-09-25 06:17:01,878 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2020-09-25 06:17:01,878 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-09-25 06:17:01,878 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2020-09-25 06:17:01,880 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2020-09-25 06:17:02,103 WARN L193 SmtUtils]: Spent 199.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-25 06:17:02,266 WARN L193 SmtUtils]: Spent 162.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-09-25 06:17:02,432 WARN L193 SmtUtils]: Spent 162.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-25 06:17:02,613 WARN L193 SmtUtils]: Spent 171.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-25 06:17:02,742 WARN L193 SmtUtils]: Spent 122.00 ms on a formula simplification. DAG size of input: 201 DAG size of output: 7 [2020-09-25 06:17:02,919 WARN L193 SmtUtils]: Spent 167.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-09-25 06:17:03,084 WARN L193 SmtUtils]: Spent 163.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-25 06:17:03,247 WARN L193 SmtUtils]: Spent 162.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-25 06:17:03,407 WARN L193 SmtUtils]: Spent 158.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-25 06:17:03,557 WARN L193 SmtUtils]: Spent 149.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-09-25 06:17:03,680 WARN L193 SmtUtils]: Spent 112.00 ms on a formula simplification. DAG size of input: 201 DAG size of output: 7 [2020-09-25 06:17:03,789 WARN L193 SmtUtils]: Spent 107.00 ms on a formula simplification. DAG size of input: 201 DAG size of output: 7 [2020-09-25 06:17:04,122 WARN L193 SmtUtils]: Spent 328.00 ms on a formula simplification. DAG size of input: 192 DAG size of output: 188 [2020-09-25 06:17:04,443 WARN L193 SmtUtils]: Spent 317.00 ms on a formula simplification. DAG size of input: 192 DAG size of output: 188 [2020-09-25 06:17:04,758 WARN L193 SmtUtils]: Spent 312.00 ms on a formula simplification. DAG size of input: 192 DAG size of output: 188 [2020-09-25 06:17:04,912 WARN L193 SmtUtils]: Spent 152.00 ms on a formula simplification that was a NOOP. DAG size: 184 [2020-09-25 06:17:05,065 WARN L193 SmtUtils]: Spent 151.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-25 06:17:05,218 WARN L193 SmtUtils]: Spent 151.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-25 06:17:05,370 WARN L193 SmtUtils]: Spent 151.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-25 06:17:05,519 WARN L193 SmtUtils]: Spent 146.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-09-25 06:17:05,679 WARN L193 SmtUtils]: Spent 158.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-25 06:17:05,834 WARN L193 SmtUtils]: Spent 153.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-25 06:17:05,983 WARN L193 SmtUtils]: Spent 147.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-09-25 06:17:06,142 WARN L193 SmtUtils]: Spent 151.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-25 06:17:06,295 WARN L193 SmtUtils]: Spent 148.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-09-25 06:17:06,448 WARN L193 SmtUtils]: Spent 151.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-25 06:17:06,601 WARN L193 SmtUtils]: Spent 151.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-25 06:17:06,756 WARN L193 SmtUtils]: Spent 154.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-25 06:17:06,909 WARN L193 SmtUtils]: Spent 151.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-25 06:17:07,061 WARN L193 SmtUtils]: Spent 151.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-25 06:17:07,306 WARN L193 SmtUtils]: Spent 244.00 ms on a formula simplification. DAG size of input: 200 DAG size of output: 7 [2020-09-25 06:17:07,466 WARN L193 SmtUtils]: Spent 151.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-25 06:17:07,618 WARN L193 SmtUtils]: Spent 151.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-25 06:17:07,768 WARN L193 SmtUtils]: Spent 147.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-09-25 06:17:07,921 WARN L193 SmtUtils]: Spent 152.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-25 06:17:08,256 WARN L193 SmtUtils]: Spent 316.00 ms on a formula simplification. DAG size of input: 192 DAG size of output: 190 [2020-09-25 06:17:08,577 WARN L193 SmtUtils]: Spent 318.00 ms on a formula simplification. DAG size of input: 192 DAG size of output: 190 [2020-09-25 06:17:08,894 WARN L193 SmtUtils]: Spent 316.00 ms on a formula simplification. DAG size of input: 192 DAG size of output: 190 [2020-09-25 06:17:09,133 WARN L193 SmtUtils]: Spent 236.00 ms on a formula simplification. DAG size of input: 189 DAG size of output: 187 [2020-09-25 06:17:09,235 WARN L193 SmtUtils]: Spent 101.00 ms on a formula simplification. DAG size of input: 201 DAG size of output: 7 [2020-09-25 06:17:09,497 WARN L193 SmtUtils]: Spent 151.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-25 06:17:09,657 WARN L193 SmtUtils]: Spent 152.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-25 06:17:09,809 WARN L193 SmtUtils]: Spent 151.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-25 06:17:09,958 WARN L193 SmtUtils]: Spent 146.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-09-25 06:17:10,110 WARN L193 SmtUtils]: Spent 151.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-25 06:17:10,268 WARN L193 SmtUtils]: Spent 148.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-09-25 06:17:10,420 WARN L193 SmtUtils]: Spent 151.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-25 06:17:10,576 WARN L193 SmtUtils]: Spent 153.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-25 06:17:10,730 WARN L193 SmtUtils]: Spent 151.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-25 06:17:10,878 WARN L193 SmtUtils]: Spent 146.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-09-25 06:17:11,043 WARN L193 SmtUtils]: Spent 146.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-09-25 06:17:11,196 WARN L193 SmtUtils]: Spent 151.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-25 06:17:11,359 WARN L193 SmtUtils]: Spent 146.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-09-25 06:17:11,511 WARN L193 SmtUtils]: Spent 151.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-25 06:17:11,664 WARN L193 SmtUtils]: Spent 151.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-25 06:17:11,816 WARN L193 SmtUtils]: Spent 151.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-25 06:17:11,969 WARN L193 SmtUtils]: Spent 151.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-25 06:17:12,116 WARN L193 SmtUtils]: Spent 146.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-09-25 06:17:12,433 WARN L193 SmtUtils]: Spent 315.00 ms on a formula simplification. DAG size of input: 192 DAG size of output: 190 [2020-09-25 06:17:12,751 WARN L193 SmtUtils]: Spent 316.00 ms on a formula simplification. DAG size of input: 192 DAG size of output: 190 [2020-09-25 06:17:13,068 WARN L193 SmtUtils]: Spent 315.00 ms on a formula simplification. DAG size of input: 192 DAG size of output: 190 [2020-09-25 06:17:13,306 WARN L193 SmtUtils]: Spent 236.00 ms on a formula simplification. DAG size of input: 189 DAG size of output: 187 [2020-09-25 06:17:13,459 WARN L193 SmtUtils]: Spent 151.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-25 06:17:13,611 WARN L193 SmtUtils]: Spent 151.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-25 06:17:13,758 WARN L193 SmtUtils]: Spent 146.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-09-25 06:17:14,182 WARN L193 SmtUtils]: Spent 413.00 ms on a formula simplification. DAG size of input: 138 DAG size of output: 9 [2020-09-25 06:17:14,368 WARN L193 SmtUtils]: Spent 184.00 ms on a formula simplification. DAG size of input: 139 DAG size of output: 22 [2020-09-25 06:17:14,604 WARN L193 SmtUtils]: Spent 219.00 ms on a formula simplification. DAG size of input: 139 DAG size of output: 22 [2020-09-25 06:17:14,869 WARN L193 SmtUtils]: Spent 218.00 ms on a formula simplification. DAG size of input: 135 DAG size of output: 1 [2020-09-25 06:17:15,235 WARN L193 SmtUtils]: Spent 351.00 ms on a formula simplification. DAG size of input: 138 DAG size of output: 9