/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=SMALLESTAMONGWIDE --traceabstraction.additional.smt.options tolerance=0.3 --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_spec2_product21.cil.c -------------------------------------------------------------------------------- This is Ultimate 0.1.25-c90d42b [2020-09-25 12:00:17,935 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-09-25 12:00:17,940 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-09-25 12:00:17,982 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-09-25 12:00:17,982 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-09-25 12:00:17,993 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-09-25 12:00:17,995 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-09-25 12:00:17,998 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-09-25 12:00:18,001 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-09-25 12:00:18,003 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-09-25 12:00:18,004 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-09-25 12:00:18,006 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-09-25 12:00:18,006 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-09-25 12:00:18,009 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-09-25 12:00:18,014 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-09-25 12:00:18,015 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-09-25 12:00:18,015 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-09-25 12:00:18,016 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-09-25 12:00:18,020 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-09-25 12:00:18,022 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-09-25 12:00:18,025 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-09-25 12:00:18,026 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-09-25 12:00:18,027 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-09-25 12:00:18,028 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-09-25 12:00:18,033 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-09-25 12:00:18,033 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-09-25 12:00:18,034 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-09-25 12:00:18,038 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-09-25 12:00:18,038 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-09-25 12:00:18,039 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-09-25 12:00:18,039 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-09-25 12:00:18,041 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-09-25 12:00:18,042 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-09-25 12:00:18,043 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-09-25 12:00:18,044 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-09-25 12:00:18,044 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-09-25 12:00:18,045 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-09-25 12:00:18,045 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-09-25 12:00:18,045 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-09-25 12:00:18,046 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-09-25 12:00:18,048 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-09-25 12:00:18,049 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 12:00:18,094 INFO L113 SettingsManager]: Loading preferences was successful [2020-09-25 12:00:18,094 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-09-25 12:00:18,096 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-09-25 12:00:18,097 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-09-25 12:00:18,097 INFO L138 SettingsManager]: * Use SBE=true [2020-09-25 12:00:18,097 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-09-25 12:00:18,097 INFO L138 SettingsManager]: * sizeof long=4 [2020-09-25 12:00:18,098 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-09-25 12:00:18,098 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-09-25 12:00:18,098 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-09-25 12:00:18,099 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-09-25 12:00:18,100 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-09-25 12:00:18,100 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-09-25 12:00:18,100 INFO L138 SettingsManager]: * sizeof long double=12 [2020-09-25 12:00:18,100 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-09-25 12:00:18,101 INFO L138 SettingsManager]: * Use constant arrays=true [2020-09-25 12:00:18,101 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-09-25 12:00:18,101 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-09-25 12:00:18,101 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-09-25 12:00:18,102 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-09-25 12:00:18,102 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-09-25 12:00:18,102 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-09-25 12:00:18,102 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-09-25 12:00:18,102 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-09-25 12:00:18,103 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-09-25 12:00:18,103 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-09-25 12:00:18,103 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-09-25 12:00:18,103 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-09-25 12:00:18,104 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-09-25 12:00:18,104 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=SMALLESTAMONGWIDE;tolerance=0.3;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=SMALLESTAMONGWIDE;tolerance=0.3;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=SMALLESTAMONGWIDE;tolerance=0.3;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=SMALLESTAMONGWIDE;tolerance=0.3;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=SMALLESTAMONGWIDE;tolerance=0.3;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=SMALLESTAMONGWIDE;tolerance=0.3;log-additional-information=true; [2020-09-25 12:00:18,599 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-09-25 12:00:18,624 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-09-25 12:00:18,631 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-09-25 12:00:18,633 INFO L271 PluginConnector]: Initializing CDTParser... [2020-09-25 12:00:18,633 INFO L275 PluginConnector]: CDTParser initialized [2020-09-25 12:00:18,634 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/product-lines/minepump_spec2_product21.cil.c [2020-09-25 12:00:18,721 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/8d93722ac/bccace3db7694efda3fe1abd06294bf4/FLAG706041933 [2020-09-25 12:00:19,353 INFO L306 CDTParser]: Found 1 translation units. [2020-09-25 12:00:19,354 INFO L160 CDTParser]: Scanning /storage/repos/ultimate-2/trunk/examples/svcomp/product-lines/minepump_spec2_product21.cil.c [2020-09-25 12:00:19,367 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/8d93722ac/bccace3db7694efda3fe1abd06294bf4/FLAG706041933 [2020-09-25 12:00:19,623 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/8d93722ac/bccace3db7694efda3fe1abd06294bf4 [2020-09-25 12:00:19,636 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-09-25 12:00:19,641 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-09-25 12:00:19,642 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-09-25 12:00:19,642 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-09-25 12:00:19,646 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-09-25 12:00:19,647 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.09 12:00:19" (1/1) ... [2020-09-25 12:00:19,652 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2830e110 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 12:00:19, skipping insertion in model container [2020-09-25 12:00:19,652 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.09 12:00:19" (1/1) ... [2020-09-25 12:00:19,661 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-09-25 12:00:19,717 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-09-25 12:00:20,286 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-09-25 12:00:20,305 INFO L203 MainTranslator]: Completed pre-run [2020-09-25 12:00:20,434 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-09-25 12:00:20,473 INFO L208 MainTranslator]: Completed translation [2020-09-25 12:00:20,473 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 12:00:20 WrapperNode [2020-09-25 12:00:20,474 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-09-25 12:00:20,475 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-09-25 12:00:20,475 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-09-25 12:00:20,475 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-09-25 12:00:20,490 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 12:00:20" (1/1) ... [2020-09-25 12:00:20,490 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 12:00:20" (1/1) ... [2020-09-25 12:00:20,510 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 12:00:20" (1/1) ... [2020-09-25 12:00:20,510 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 12:00:20" (1/1) ... [2020-09-25 12:00:20,543 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 12:00:20" (1/1) ... [2020-09-25 12:00:20,558 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 12:00:20" (1/1) ... [2020-09-25 12:00:20,563 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 12:00:20" (1/1) ... [2020-09-25 12:00:20,570 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-09-25 12:00:20,570 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-09-25 12:00:20,571 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-09-25 12:00:20,571 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-09-25 12:00:20,572 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 12:00:20" (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 12:00:20,659 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-09-25 12:00:20,660 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-09-25 12:00:20,660 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~X~int~TO~int [2020-09-25 12:00:20,660 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_set [2020-09-25 12:00:20,660 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_free [2020-09-25 12:00:20,661 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_reset [2020-09-25 12:00:20,661 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__error_stack_mgt [2020-09-25 12:00:20,661 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_arg [2020-09-25 12:00:20,661 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_argtype [2020-09-25 12:00:20,661 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification2_spec__1 [2020-09-25 12:00:20,662 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification2_spec__2 [2020-09-25 12:00:20,662 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2020-09-25 12:00:20,662 INFO L138 BoogieDeclarations]: Found implementation of procedure Specification2 [2020-09-25 12:00:20,662 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2020-09-25 12:00:20,662 INFO L138 BoogieDeclarations]: Found implementation of procedure runTest [2020-09-25 12:00:20,662 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-09-25 12:00:20,663 INFO L138 BoogieDeclarations]: Found implementation of procedure lowerWaterLevel [2020-09-25 12:00:20,663 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2020-09-25 12:00:20,663 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2020-09-25 12:00:20,663 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2020-09-25 12:00:20,664 INFO L138 BoogieDeclarations]: Found implementation of procedure printEnvironment [2020-09-25 12:00:20,664 INFO L138 BoogieDeclarations]: Found implementation of procedure getWaterLevel [2020-09-25 12:00:20,664 INFO L138 BoogieDeclarations]: Found implementation of procedure isLowWaterSensorDry [2020-09-25 12:00:20,664 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2020-09-25 12:00:20,664 INFO L138 BoogieDeclarations]: Found implementation of procedure select_one [2020-09-25 12:00:20,664 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2020-09-25 12:00:20,665 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2020-09-25 12:00:20,665 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2020-09-25 12:00:20,665 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2020-09-25 12:00:20,665 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__base [2020-09-25 12:00:20,665 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__lowWaterSensor [2020-09-25 12:00:20,665 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment [2020-09-25 12:00:20,666 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump [2020-09-25 12:00:20,666 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivatePump [2020-09-25 12:00:20,666 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneAlarm [2020-09-25 12:00:20,666 INFO L138 BoogieDeclarations]: Found implementation of procedure isPumpRunning [2020-09-25 12:00:20,666 INFO L138 BoogieDeclarations]: Found implementation of procedure printPump [2020-09-25 12:00:20,666 INFO L138 BoogieDeclarations]: Found implementation of procedure isLowWaterLevel [2020-09-25 12:00:20,667 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2020-09-25 12:00:20,667 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2020-09-25 12:00:20,667 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2020-09-25 12:00:20,667 INFO L130 BoogieDeclarations]: Found specification of procedure printf [2020-09-25 12:00:20,667 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2020-09-25 12:00:20,667 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2020-09-25 12:00:20,667 INFO L130 BoogieDeclarations]: Found specification of procedure free [2020-09-25 12:00:20,668 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_set [2020-09-25 12:00:20,668 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2020-09-25 12:00:20,668 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2020-09-25 12:00:20,668 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-09-25 12:00:20,668 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2020-09-25 12:00:20,668 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_free [2020-09-25 12:00:20,669 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-09-25 12:00:20,669 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_reset [2020-09-25 12:00:20,669 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~X~int~TO~int [2020-09-25 12:00:20,669 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2020-09-25 12:00:20,669 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__error_stack_mgt [2020-09-25 12:00:20,669 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_arg [2020-09-25 12:00:20,670 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-09-25 12:00:20,670 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_argtype [2020-09-25 12:00:20,670 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2020-09-25 12:00:20,670 INFO L130 BoogieDeclarations]: Found specification of procedure isPumpRunning [2020-09-25 12:00:20,670 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2020-09-25 12:00:20,670 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification2_spec__1 [2020-09-25 12:00:20,671 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification2_spec__2 [2020-09-25 12:00:20,671 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2020-09-25 12:00:20,671 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2020-09-25 12:00:20,671 INFO L130 BoogieDeclarations]: Found specification of procedure printPump [2020-09-25 12:00:20,671 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2020-09-25 12:00:20,671 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2020-09-25 12:00:20,671 INFO L130 BoogieDeclarations]: Found specification of procedure Specification2 [2020-09-25 12:00:20,672 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2020-09-25 12:00:20,672 INFO L130 BoogieDeclarations]: Found specification of procedure test [2020-09-25 12:00:20,672 INFO L130 BoogieDeclarations]: Found specification of procedure runTest [2020-09-25 12:00:20,672 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2020-09-25 12:00:20,672 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2020-09-25 12:00:20,672 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2020-09-25 12:00:20,673 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-09-25 12:00:20,673 INFO L130 BoogieDeclarations]: Found specification of procedure lowerWaterLevel [2020-09-25 12:00:20,673 INFO L130 BoogieDeclarations]: Found specification of procedure getWaterLevel [2020-09-25 12:00:20,673 INFO L130 BoogieDeclarations]: Found specification of procedure printEnvironment [2020-09-25 12:00:20,673 INFO L130 BoogieDeclarations]: Found specification of procedure isLowWaterSensorDry [2020-09-25 12:00:20,673 INFO L130 BoogieDeclarations]: Found specification of procedure select_one [2020-09-25 12:00:20,674 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump [2020-09-25 12:00:20,674 INFO L130 BoogieDeclarations]: Found specification of procedure deactivatePump [2020-09-25 12:00:20,674 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment [2020-09-25 12:00:20,674 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__base [2020-09-25 12:00:20,674 INFO L130 BoogieDeclarations]: Found specification of procedure isLowWaterLevel [2020-09-25 12:00:20,674 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__lowWaterSensor [2020-09-25 12:00:20,674 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneAlarm [2020-09-25 12:00:20,675 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-09-25 12:00:20,675 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-09-25 12:00:20,675 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-09-25 12:00:21,883 INFO L290 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-09-25 12:00:21,883 INFO L295 CfgBuilder]: Removed 5 assume(true) statements. [2020-09-25 12:00:21,894 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.09 12:00:21 BoogieIcfgContainer [2020-09-25 12:00:21,895 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-09-25 12:00:21,897 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-09-25 12:00:21,897 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-09-25 12:00:21,901 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-09-25 12:00:21,901 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 25.09 12:00:19" (1/3) ... [2020-09-25 12:00:21,902 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1b7cde05 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 25.09 12:00:21, skipping insertion in model container [2020-09-25 12:00:21,903 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 12:00:20" (2/3) ... [2020-09-25 12:00:21,903 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1b7cde05 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 25.09 12:00:21, skipping insertion in model container [2020-09-25 12:00:21,903 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.09 12:00:21" (3/3) ... [2020-09-25 12:00:21,906 INFO L109 eAbstractionObserver]: Analyzing ICFG minepump_spec2_product21.cil.c [2020-09-25 12:00:21,918 INFO L157 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:Craig_NestedInterpolation Determinization: PREDICATE_ABSTRACTION [2020-09-25 12:00:21,933 INFO L169 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-09-25 12:00:21,957 INFO L251 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-09-25 12:00:22,000 INFO L375 AbstractCegarLoop]: Interprodecural is true [2020-09-25 12:00:22,001 INFO L376 AbstractCegarLoop]: Hoare is true [2020-09-25 12:00:22,001 INFO L377 AbstractCegarLoop]: Compute interpolants for Craig_NestedInterpolation [2020-09-25 12:00:22,001 INFO L378 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-09-25 12:00:22,001 INFO L379 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-09-25 12:00:22,001 INFO L380 AbstractCegarLoop]: Difference is false [2020-09-25 12:00:22,002 INFO L381 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-09-25 12:00:22,002 INFO L385 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-09-25 12:00:22,040 INFO L276 IsEmpty]: Start isEmpty. Operand 304 states. [2020-09-25 12:00:22,078 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 149 [2020-09-25 12:00:22,078 INFO L414 BasicCegarLoop]: Found error trace [2020-09-25 12:00:22,083 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] [2020-09-25 12:00:22,083 INFO L427 AbstractCegarLoop]: === Iteration 1 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-25 12:00:22,092 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-25 12:00:22,092 INFO L82 PathProgramCache]: Analyzing trace with hash -106579174, now seen corresponding path program 1 times [2020-09-25 12:00:22,104 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-25 12:00:22,105 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [771344759] [2020-09-25 12:00:22,105 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-25 12:00:22,481 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 12:00:22,609 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 12:00:22,843 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 12:00:23,323 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 12:00:24,296 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 12:00:25,279 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 12:00:27,506 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 12:00:27,506 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 181 [2020-09-25 12:00:27,506 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 5 [2020-09-25 12:00:27,507 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5010 [2020-09-25 12:00:27,510 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 12:00:27,511 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-09-25 12:00:27,511 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 12:00:27,511 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 83 [2020-09-25 12:00:27,511 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 64 [2020-09-25 12:00:27,512 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 4 [2020-09-25 12:00:27,902 WARN L193 SmtUtils]: Spent 253.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-09-25 12:00:27,904 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-25 12:00:27,944 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 12:00:27,994 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 12:00:28,276 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 12:00:28,277 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 86 [2020-09-25 12:00:28,277 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 12:00:28,278 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 331 [2020-09-25 12:00:28,278 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 12:00:28,279 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-09-25 12:00:28,279 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 12:00:28,279 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 12:00:28,280 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 79 [2020-09-25 12:00:28,280 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 12:00:28,358 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2020-09-25 12:00:28,359 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 12:00:28,361 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 12:00:28,364 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 12:00:28,364 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 12:00:28,364 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 12:00:28,365 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-09-25 12:00:28,365 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 12:00:28,365 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-09-25 12:00:28,365 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 12:00:28,366 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 12:00:28,366 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-25 12:00:28,366 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 12:00:28,368 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2020-09-25 12:00:28,369 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 12:00:28,370 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 12:00:28,373 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 12:00:28,374 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 12:00:28,374 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 12:00:28,374 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-09-25 12:00:28,374 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 12:00:28,375 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-09-25 12:00:28,375 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 12:00:28,375 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 12:00:28,375 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-25 12:00:28,375 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 12:00:28,377 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2020-09-25 12:00:28,378 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 12:00:28,380 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 12:00:28,387 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 12:00:28,387 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 12:00:28,387 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 12:00:28,387 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 8 [2020-09-25 12:00:28,388 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 12:00:28,388 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-09-25 12:00:28,388 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 12:00:28,388 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 12:00:28,389 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-09-25 12:00:28,389 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 12:00:28,391 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2020-09-25 12:00:28,392 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 12:00:28,394 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 12:00:28,397 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 12:00:28,397 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 12:00:28,398 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 12:00:28,398 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-09-25 12:00:28,398 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 12:00:28,398 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-09-25 12:00:28,399 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 12:00:28,399 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 12:00:28,399 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-25 12:00:28,399 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 12:00:28,409 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2020-09-25 12:00:28,411 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 12:00:28,412 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 12:00:28,416 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 12:00:28,416 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-25 12:00:28,416 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 12:00:28,417 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-09-25 12:00:28,417 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 12:00:28,417 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-09-25 12:00:28,417 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 12:00:28,417 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 12:00:28,444 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-09-25 12:00:28,444 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 27 [2020-09-25 12:00:28,446 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 125 [2020-09-25 12:00:28,453 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 12:00:28,455 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 12:00:28,467 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 12:00:28,467 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 12:00:28,468 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 12:00:28,473 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 13 [2020-09-25 12:00:28,473 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 12:00:28,473 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-09-25 12:00:28,473 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 12:00:28,473 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-09-25 12:00:28,474 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 12:00:28,474 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 12:00:28,476 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2020-09-25 12:00:28,476 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 12:00:28,478 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 12:00:28,480 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 12:00:28,480 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 12:00:28,480 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 12:00:28,480 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-25 12:00:28,481 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 12:00:28,481 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-09-25 12:00:28,481 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 12:00:28,481 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-09-25 12:00:28,482 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 12:00:28,482 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 12:00:28,518 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 12:00:28,518 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [771344759] [2020-09-25 12:00:28,521 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-25 12:00:28,521 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2020-09-25 12:00:28,522 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1766808410] [2020-09-25 12:00:28,530 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-09-25 12:00:28,531 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-25 12:00:28,549 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-09-25 12:00:28,552 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-09-25 12:00:28,555 INFO L87 Difference]: Start difference. First operand 304 states. Second operand 5 states. [2020-09-25 12:00:29,185 WARN L193 SmtUtils]: Spent 268.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-25 12:00:30,310 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-25 12:00:30,310 INFO L93 Difference]: Finished difference Result 468 states and 557 transitions. [2020-09-25 12:00:30,311 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2020-09-25 12:00:30,313 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 148 [2020-09-25 12:00:30,314 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-25 12:00:30,333 INFO L225 Difference]: With dead ends: 468 [2020-09-25 12:00:30,333 INFO L226 Difference]: Without dead ends: 300 [2020-09-25 12:00:30,339 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 22 GetRequests, 17 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 12:00:30,361 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 300 states. [2020-09-25 12:00:30,488 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 300 to 253. [2020-09-25 12:00:30,489 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 253 states. [2020-09-25 12:00:30,497 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 253 states to 253 states and 275 transitions. [2020-09-25 12:00:30,499 INFO L78 Accepts]: Start accepts. Automaton has 253 states and 275 transitions. Word has length 148 [2020-09-25 12:00:30,505 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-25 12:00:30,505 INFO L479 AbstractCegarLoop]: Abstraction has 253 states and 275 transitions. [2020-09-25 12:00:30,505 INFO L480 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-09-25 12:00:30,505 INFO L276 IsEmpty]: Start isEmpty. Operand 253 states and 275 transitions. [2020-09-25 12:00:30,516 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 172 [2020-09-25 12:00:30,516 INFO L414 BasicCegarLoop]: Found error trace [2020-09-25 12:00:30,516 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-09-25 12:00:30,517 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-09-25 12:00:30,517 INFO L427 AbstractCegarLoop]: === Iteration 2 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-25 12:00:30,517 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-25 12:00:30,517 INFO L82 PathProgramCache]: Analyzing trace with hash 1142431993, now seen corresponding path program 1 times [2020-09-25 12:00:30,518 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-25 12:00:30,518 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [372643376] [2020-09-25 12:00:30,518 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-25 12:00:30,577 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 12:00:30,637 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 12:00:31,561 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 12:00:31,721 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 12:00:31,826 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 12:00:33,456 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 12:00:35,588 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 12:00:35,588 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 208 [2020-09-25 12:00:35,589 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 5 [2020-09-25 12:00:35,589 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5008 [2020-09-25 12:00:35,589 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 12:00:35,589 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-09-25 12:00:35,590 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 12 [2020-09-25 12:00:35,590 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 81 [2020-09-25 12:00:35,590 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 110 [2020-09-25 12:00:35,590 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 12:00:35,943 WARN L193 SmtUtils]: Spent 215.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-09-25 12:00:35,945 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-25 12:00:35,979 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 12:00:36,017 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 12:00:36,208 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 12:00:36,208 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 86 [2020-09-25 12:00:36,208 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 12:00:36,208 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 227 [2020-09-25 12:00:36,209 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 12:00:36,209 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-09-25 12:00:36,209 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 12:00:36,209 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 12:00:36,209 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 77 [2020-09-25 12:00:36,210 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 12:00:36,251 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2020-09-25 12:00:36,252 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 12:00:36,254 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 12:00:36,257 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 12:00:36,257 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 12:00:36,257 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 12:00:36,257 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-09-25 12:00:36,258 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 12:00:36,258 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-09-25 12:00:36,258 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 12:00:36,258 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 12:00:36,259 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-25 12:00:36,259 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 12:00:36,260 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2020-09-25 12:00:36,261 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 12:00:36,263 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 12:00:36,266 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 12:00:36,266 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 12:00:36,266 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 12:00:36,266 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-25 12:00:36,266 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 12:00:36,267 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-09-25 12:00:36,267 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 12:00:36,267 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 12:00:36,267 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-25 12:00:36,267 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 12:00:36,269 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2020-09-25 12:00:36,270 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 12:00:36,272 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 12:00:36,278 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 12:00:36,278 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 12:00:36,279 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 12:00:36,279 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-09-25 12:00:36,279 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 12:00:36,279 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-09-25 12:00:36,279 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 12:00:36,280 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 12:00:36,280 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-09-25 12:00:36,280 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 12:00:36,282 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2020-09-25 12:00:36,283 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 12:00:36,285 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 12:00:36,287 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 12:00:36,287 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 12:00:36,288 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 12:00:36,288 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-25 12:00:36,288 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 12:00:36,288 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-09-25 12:00:36,288 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 12:00:36,289 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 12:00:36,289 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-25 12:00:36,289 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 12:00:36,303 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2020-09-25 12:00:36,304 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 12:00:36,306 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 12:00:36,308 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 12:00:36,309 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-25 12:00:36,309 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 12:00:36,309 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-25 12:00:36,309 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 12:00:36,310 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-09-25 12:00:36,310 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 12:00:36,310 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 12:00:36,310 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-09-25 12:00:36,310 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 12:00:36,321 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 132 [2020-09-25 12:00:36,326 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 12:00:36,329 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 12:00:36,332 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 12:00:36,332 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 22 [2020-09-25 12:00:36,333 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 12:00:36,333 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-09-25 12:00:36,333 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 12:00:36,333 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-09-25 12:00:36,334 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 12:00:36,334 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 12:00:36,334 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 18 [2020-09-25 12:00:36,334 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 12:00:36,336 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-25 12:00:36,337 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 12:00:36,338 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 12:00:36,340 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 12:00:36,340 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 15 [2020-09-25 12:00:36,340 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 12:00:36,340 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-25 12:00:36,341 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 12:00:36,341 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-09-25 12:00:36,341 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 12:00:36,341 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 12:00:36,342 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 12:00:36,342 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 12:00:36,343 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-25 12:00:36,344 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 12:00:36,345 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 12:00:36,346 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 12:00:36,346 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 12:00:36,346 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 12:00:36,347 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-25 12:00:36,347 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 12:00:36,347 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-09-25 12:00:36,347 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 12:00:36,348 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 12:00:36,348 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 12:00:36,348 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 12:00:36,349 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 148 [2020-09-25 12:00:36,350 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 12:00:36,352 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 12:00:36,359 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 12:00:36,360 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 12:00:36,360 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 12:00:36,360 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 8 [2020-09-25 12:00:36,360 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 12:00:36,361 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-09-25 12:00:36,361 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-09-25 12:00:36,361 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 12:00:36,361 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-09-25 12:00:36,361 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 12:00:36,387 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 158 [2020-09-25 12:00:36,388 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 12:00:36,389 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 12:00:36,391 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 12:00:36,391 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 12:00:36,391 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 12:00:36,392 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-25 12:00:36,392 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 12:00:36,392 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-09-25 12:00:36,392 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 12:00:36,393 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-09-25 12:00:36,393 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 12:00:36,393 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 12:00:36,492 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 12:00:36,492 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [372643376] [2020-09-25 12:00:36,493 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-25 12:00:36,493 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2020-09-25 12:00:36,493 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [433364304] [2020-09-25 12:00:36,495 INFO L459 AbstractCegarLoop]: Interpolant automaton has 10 states [2020-09-25 12:00:36,496 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-25 12:00:36,496 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2020-09-25 12:00:36,496 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=71, Unknown=0, NotChecked=0, Total=90 [2020-09-25 12:00:36,496 INFO L87 Difference]: Start difference. First operand 253 states and 275 transitions. Second operand 10 states. [2020-09-25 12:00:37,078 WARN L193 SmtUtils]: Spent 231.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-09-25 12:00:38,222 WARN L193 SmtUtils]: Spent 280.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-09-25 12:00:38,598 WARN L193 SmtUtils]: Spent 308.00 ms on a formula simplification that was a NOOP. DAG size: 194 [2020-09-25 12:00:39,393 WARN L193 SmtUtils]: Spent 289.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-25 12:00:39,746 WARN L193 SmtUtils]: Spent 286.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-25 12:00:40,759 WARN L193 SmtUtils]: Spent 297.00 ms on a formula simplification that was a NOOP. DAG size: 193 [2020-09-25 12:00:41,105 WARN L193 SmtUtils]: Spent 317.00 ms on a formula simplification that was a NOOP. DAG size: 196 [2020-09-25 12:00:41,429 WARN L193 SmtUtils]: Spent 299.00 ms on a formula simplification that was a NOOP. DAG size: 193 [2020-09-25 12:00:42,152 WARN L193 SmtUtils]: Spent 312.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-25 12:00:42,965 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-25 12:00:42,965 INFO L93 Difference]: Finished difference Result 642 states and 783 transitions. [2020-09-25 12:00:42,965 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2020-09-25 12:00:42,966 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 171 [2020-09-25 12:00:42,967 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-25 12:00:42,973 INFO L225 Difference]: With dead ends: 642 [2020-09-25 12:00:42,974 INFO L226 Difference]: Without dead ends: 486 [2020-09-25 12:00:42,977 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 51 GetRequests, 28 SyntacticMatches, 0 SemanticMatches, 23 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 86 ImplicationChecksByTransitivity, 3.1s TimeCoverageRelationStatistics Valid=159, Invalid=441, Unknown=0, NotChecked=0, Total=600 [2020-09-25 12:00:42,979 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 486 states. [2020-09-25 12:00:43,053 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 486 to 363. [2020-09-25 12:00:43,053 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 363 states. [2020-09-25 12:00:43,056 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 363 states to 363 states and 402 transitions. [2020-09-25 12:00:43,056 INFO L78 Accepts]: Start accepts. Automaton has 363 states and 402 transitions. Word has length 171 [2020-09-25 12:00:43,057 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-25 12:00:43,057 INFO L479 AbstractCegarLoop]: Abstraction has 363 states and 402 transitions. [2020-09-25 12:00:43,058 INFO L480 AbstractCegarLoop]: Interpolant automaton has 10 states. [2020-09-25 12:00:43,058 INFO L276 IsEmpty]: Start isEmpty. Operand 363 states and 402 transitions. [2020-09-25 12:00:43,061 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 177 [2020-09-25 12:00:43,061 INFO L414 BasicCegarLoop]: Found error trace [2020-09-25 12:00:43,061 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-09-25 12:00:43,061 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-09-25 12:00:43,062 INFO L427 AbstractCegarLoop]: === Iteration 3 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-25 12:00:43,062 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-25 12:00:43,062 INFO L82 PathProgramCache]: Analyzing trace with hash -121063106, now seen corresponding path program 1 times [2020-09-25 12:00:43,062 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-25 12:00:43,063 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [222844097] [2020-09-25 12:00:43,063 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-25 12:00:43,111 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 12:00:43,174 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 12:00:43,348 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 12:00:43,887 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 12:00:44,016 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 12:00:48,141 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 12:00:48,141 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 215 [2020-09-25 12:00:48,142 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 4 [2020-09-25 12:00:48,142 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5027 [2020-09-25 12:00:48,142 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 12:00:48,142 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-09-25 12:00:48,142 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 18 [2020-09-25 12:00:48,142 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 82 [2020-09-25 12:00:48,142 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 128 [2020-09-25 12:00:48,143 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 12:00:48,617 WARN L193 SmtUtils]: Spent 299.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-09-25 12:00:48,619 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-25 12:00:48,661 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 12:00:48,704 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 12:00:48,930 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 12:00:48,932 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 86 [2020-09-25 12:00:48,933 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 12:00:48,933 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 267 [2020-09-25 12:00:48,934 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 12:00:48,934 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-09-25 12:00:48,934 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 12:00:48,935 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 12:00:48,935 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 78 [2020-09-25 12:00:48,935 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 12:00:49,000 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2020-09-25 12:00:49,001 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 12:00:49,003 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 12:00:49,006 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 12:00:49,006 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 12:00:49,006 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 12:00:49,006 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-25 12:00:49,007 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 12:00:49,009 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-09-25 12:00:49,009 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 12:00:49,009 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 12:00:49,009 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-25 12:00:49,009 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 2 [2020-09-25 12:00:49,011 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2020-09-25 12:00:49,012 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 12:00:49,014 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 12:00:49,017 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 12:00:49,018 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 12:00:49,018 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 12:00:49,018 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-09-25 12:00:49,019 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 12:00:49,019 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-09-25 12:00:49,019 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 12:00:49,020 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 12:00:49,020 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-25 12:00:49,020 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 12:00:49,022 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2020-09-25 12:00:49,023 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 12:00:49,026 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 12:00:49,037 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 12:00:49,037 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 12:00:49,038 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 12:00:49,038 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 12 [2020-09-25 12:00:49,038 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 12:00:49,039 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-09-25 12:00:49,039 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 12:00:49,039 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 12:00:49,040 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-09-25 12:00:49,040 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 12:00:49,042 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2020-09-25 12:00:49,044 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 12:00:49,045 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 12:00:49,049 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 12:00:49,049 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 12:00:49,049 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 12:00:49,050 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-09-25 12:00:49,050 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 12:00:49,051 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-09-25 12:00:49,051 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 12:00:49,051 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 12:00:49,052 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-25 12:00:49,052 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 12:00:49,072 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2020-09-25 12:00:49,074 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 12:00:49,076 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 12:00:49,080 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 12:00:49,080 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-25 12:00:49,081 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 12:00:49,081 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-09-25 12:00:49,081 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 12:00:49,082 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-09-25 12:00:49,082 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 12:00:49,083 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 12:00:49,083 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-09-25 12:00:49,083 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 12:00:49,102 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 125 [2020-09-25 12:00:49,104 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 12:00:49,105 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 12:00:49,113 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 12:00:49,114 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-09-25 12:00:49,114 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 12:00:49,115 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 9 [2020-09-25 12:00:49,115 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 12:00:49,115 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-09-25 12:00:49,116 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 12:00:49,116 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 12:00:49,116 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-09-25 12:00:49,117 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 12:00:49,140 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 137 [2020-09-25 12:00:49,142 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 12:00:49,145 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 12:00:49,152 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 12:00:49,168 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 12:00:49,175 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 12:00:49,176 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 22 [2020-09-25 12:00:49,176 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-09-25 12:00:49,176 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 32 [2020-09-25 12:00:49,177 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 12:00:49,177 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-09-25 12:00:49,177 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-09-25 12:00:49,178 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-09-25 12:00:49,178 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 21 [2020-09-25 12:00:49,178 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 12:00:49,203 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-25 12:00:49,204 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 12:00:49,206 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 12:00:49,220 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 12:00:49,220 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 15 [2020-09-25 12:00:49,221 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 12:00:49,221 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 14 [2020-09-25 12:00:49,221 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 12:00:49,222 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-09-25 12:00:49,222 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-09-25 12:00:49,223 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-09-25 12:00:49,223 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 14 [2020-09-25 12:00:49,223 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 12:00:49,234 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-25 12:00:49,235 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 12:00:49,238 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 12:00:49,240 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 12:00:49,241 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 12:00:49,241 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 12:00:49,241 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-09-25 12:00:49,242 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 12:00:49,242 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-09-25 12:00:49,243 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 12:00:49,243 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 12:00:49,243 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-25 12:00:49,244 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 12:00:49,246 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 153 [2020-09-25 12:00:49,251 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 12:00:49,253 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 12:00:49,257 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 12:00:49,257 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 12:00:49,257 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 12:00:49,258 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-09-25 12:00:49,258 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 12:00:49,258 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-09-25 12:00:49,259 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 12:00:49,259 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 12:00:49,259 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-09-25 12:00:49,260 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 12:00:49,262 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 163 [2020-09-25 12:00:49,264 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 12:00:49,267 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 12:00:49,278 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 12:00:49,278 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 12:00:49,279 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 12:00:49,279 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 12 [2020-09-25 12:00:49,280 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 12:00:49,280 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-09-25 12:00:49,280 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-09-25 12:00:49,281 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 12:00:49,281 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-09-25 12:00:49,281 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 12:00:49,436 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 12:00:49,436 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [222844097] [2020-09-25 12:00:49,437 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-25 12:00:49,437 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2020-09-25 12:00:49,437 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [893571087] [2020-09-25 12:00:49,438 INFO L459 AbstractCegarLoop]: Interpolant automaton has 11 states [2020-09-25 12:00:49,439 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-25 12:00:49,439 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2020-09-25 12:00:49,443 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=22, Invalid=88, Unknown=0, NotChecked=0, Total=110 [2020-09-25 12:00:49,443 INFO L87 Difference]: Start difference. First operand 363 states and 402 transitions. Second operand 11 states. [2020-09-25 12:00:50,036 WARN L193 SmtUtils]: Spent 221.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-09-25 12:00:51,420 WARN L193 SmtUtils]: Spent 313.00 ms on a formula simplification that was a NOOP. DAG size: 193 [2020-09-25 12:00:51,759 WARN L193 SmtUtils]: Spent 316.00 ms on a formula simplification that was a NOOP. DAG size: 196 [2020-09-25 12:00:52,149 WARN L193 SmtUtils]: Spent 298.00 ms on a formula simplification that was a NOOP. DAG size: 193 [2020-09-25 12:00:52,486 WARN L193 SmtUtils]: Spent 280.00 ms on a formula simplification that was a NOOP. DAG size: 198 [2020-09-25 12:00:52,812 WARN L193 SmtUtils]: Spent 296.00 ms on a formula simplification that was a NOOP. DAG size: 195 [2020-09-25 12:00:53,173 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-25 12:00:53,173 INFO L93 Difference]: Finished difference Result 579 states and 678 transitions. [2020-09-25 12:00:53,174 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2020-09-25 12:00:53,174 INFO L78 Accepts]: Start accepts. Automaton has 11 states. Word has length 176 [2020-09-25 12:00:53,175 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-25 12:00:53,175 INFO L225 Difference]: With dead ends: 579 [2020-09-25 12:00:53,175 INFO L226 Difference]: Without dead ends: 0 [2020-09-25 12:00:53,185 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 53 GetRequests, 30 SyntacticMatches, 1 SemanticMatches, 22 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 63 ImplicationChecksByTransitivity, 2.4s TimeCoverageRelationStatistics Valid=166, Invalid=386, Unknown=0, NotChecked=0, Total=552 [2020-09-25 12:00:53,186 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2020-09-25 12:00:53,186 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2020-09-25 12:00:53,186 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2020-09-25 12:00:53,186 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2020-09-25 12:00:53,187 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 176 [2020-09-25 12:00:53,187 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-25 12:00:53,187 INFO L479 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-09-25 12:00:53,188 INFO L480 AbstractCegarLoop]: Interpolant automaton has 11 states. [2020-09-25 12:00:53,188 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2020-09-25 12:00:53,188 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-09-25 12:00:53,188 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-09-25 12:00:53,191 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2020-09-25 12:00:53,404 WARN L193 SmtUtils]: Spent 195.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-09-25 12:00:53,586 WARN L193 SmtUtils]: Spent 180.00 ms on a formula simplification that was a NOOP. DAG size: 194 [2020-09-25 12:00:53,764 WARN L193 SmtUtils]: Spent 177.00 ms on a formula simplification that was a NOOP. DAG size: 194 [2020-09-25 12:00:53,883 WARN L193 SmtUtils]: Spent 117.00 ms on a formula simplification. DAG size of input: 197 DAG size of output: 15 [2020-09-25 12:00:53,987 WARN L193 SmtUtils]: Spent 100.00 ms on a formula simplification. DAG size of input: 197 DAG size of output: 15 [2020-09-25 12:00:54,293 WARN L193 SmtUtils]: Spent 304.00 ms on a formula simplification. DAG size of input: 200 DAG size of output: 195 [2020-09-25 12:00:54,589 WARN L193 SmtUtils]: Spent 295.00 ms on a formula simplification. DAG size of input: 200 DAG size of output: 195 [2020-09-25 12:00:54,898 WARN L193 SmtUtils]: Spent 301.00 ms on a formula simplification. DAG size of input: 200 DAG size of output: 195 [2020-09-25 12:00:55,163 WARN L193 SmtUtils]: Spent 263.00 ms on a formula simplification. DAG size of input: 198 DAG size of output: 193 [2020-09-25 12:00:55,425 WARN L193 SmtUtils]: Spent 261.00 ms on a formula simplification. DAG size of input: 198 DAG size of output: 193 [2020-09-25 12:00:55,688 WARN L193 SmtUtils]: Spent 260.00 ms on a formula simplification. DAG size of input: 198 DAG size of output: 193 [2020-09-25 12:00:55,975 WARN L193 SmtUtils]: Spent 285.00 ms on a formula simplification. DAG size of input: 200 DAG size of output: 195 [2020-09-25 12:00:56,345 WARN L193 SmtUtils]: Spent 260.00 ms on a formula simplification. DAG size of input: 198 DAG size of output: 193 [2020-09-25 12:00:56,519 WARN L193 SmtUtils]: Spent 156.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-09-25 12:00:56,686 WARN L193 SmtUtils]: Spent 165.00 ms on a formula simplification that was a NOOP. DAG size: 194 [2020-09-25 12:00:56,858 WARN L193 SmtUtils]: Spent 167.00 ms on a formula simplification that was a NOOP. DAG size: 194 [2020-09-25 12:00:57,026 WARN L193 SmtUtils]: Spent 158.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-09-25 12:00:57,196 WARN L193 SmtUtils]: Spent 169.00 ms on a formula simplification that was a NOOP. DAG size: 194 [2020-09-25 12:00:57,367 WARN L193 SmtUtils]: Spent 166.00 ms on a formula simplification that was a NOOP. DAG size: 194 [2020-09-25 12:00:57,617 WARN L193 SmtUtils]: Spent 249.00 ms on a formula simplification. DAG size of input: 202 DAG size of output: 15 [2020-09-25 12:00:57,785 WARN L193 SmtUtils]: Spent 166.00 ms on a formula simplification that was a NOOP. DAG size: 194 [2020-09-25 12:00:57,945 WARN L193 SmtUtils]: Spent 158.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-09-25 12:00:58,115 WARN L193 SmtUtils]: Spent 167.00 ms on a formula simplification that was a NOOP. DAG size: 194 [2020-09-25 12:00:58,280 WARN L193 SmtUtils]: Spent 158.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-09-25 12:00:58,426 WARN L193 SmtUtils]: Spent 142.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-09-25 12:00:58,584 WARN L193 SmtUtils]: Spent 156.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-09-25 12:00:58,742 WARN L193 SmtUtils]: Spent 156.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-09-25 12:00:58,911 WARN L193 SmtUtils]: Spent 168.00 ms on a formula simplification that was a NOOP. DAG size: 194 [2020-09-25 12:00:59,078 WARN L193 SmtUtils]: Spent 166.00 ms on a formula simplification that was a NOOP. DAG size: 194 [2020-09-25 12:00:59,246 WARN L193 SmtUtils]: Spent 165.00 ms on a formula simplification that was a NOOP. DAG size: 194 [2020-09-25 12:00:59,404 WARN L193 SmtUtils]: Spent 156.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-09-25 12:00:59,561 WARN L193 SmtUtils]: Spent 156.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-09-25 12:00:59,718 WARN L193 SmtUtils]: Spent 156.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-09-25 12:00:59,885 WARN L193 SmtUtils]: Spent 165.00 ms on a formula simplification that was a NOOP. DAG size: 194 [2020-09-25 12:01:00,043 WARN L193 SmtUtils]: Spent 156.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-09-25 12:01:00,201 WARN L193 SmtUtils]: Spent 156.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-09-25 12:01:00,368 WARN L193 SmtUtils]: Spent 166.00 ms on a formula simplification that was a NOOP. DAG size: 194 [2020-09-25 12:01:00,526 WARN L193 SmtUtils]: Spent 157.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-09-25 12:01:00,698 WARN L193 SmtUtils]: Spent 166.00 ms on a formula simplification that was a NOOP. DAG size: 194 [2020-09-25 12:01:00,866 WARN L193 SmtUtils]: Spent 166.00 ms on a formula simplification that was a NOOP. DAG size: 194 [2020-09-25 12:01:01,024 WARN L193 SmtUtils]: Spent 156.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-09-25 12:01:01,191 WARN L193 SmtUtils]: Spent 166.00 ms on a formula simplification that was a NOOP. DAG size: 194 [2020-09-25 12:01:01,360 WARN L193 SmtUtils]: Spent 166.00 ms on a formula simplification that was a NOOP. DAG size: 194 [2020-09-25 12:01:01,534 WARN L193 SmtUtils]: Spent 166.00 ms on a formula simplification that was a NOOP. DAG size: 194 [2020-09-25 12:01:01,694 WARN L193 SmtUtils]: Spent 157.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-09-25 12:01:01,873 WARN L193 SmtUtils]: Spent 177.00 ms on a formula simplification that was a NOOP. DAG size: 194 [2020-09-25 12:01:02,042 WARN L193 SmtUtils]: Spent 168.00 ms on a formula simplification that was a NOOP. DAG size: 194 [2020-09-25 12:01:02,216 WARN L193 SmtUtils]: Spent 173.00 ms on a formula simplification that was a NOOP. DAG size: 194 [2020-09-25 12:01:02,474 WARN L193 SmtUtils]: Spent 256.00 ms on a formula simplification. DAG size of input: 206 DAG size of output: 10 [2020-09-25 12:01:02,644 WARN L193 SmtUtils]: Spent 157.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-09-25 12:01:02,810 WARN L193 SmtUtils]: Spent 165.00 ms on a formula simplification that was a NOOP. DAG size: 194 [2020-09-25 12:01:02,979 WARN L193 SmtUtils]: Spent 165.00 ms on a formula simplification that was a NOOP. DAG size: 194 [2020-09-25 12:01:03,435 WARN L193 SmtUtils]: Spent 268.00 ms on a formula simplification. DAG size of input: 201 DAG size of output: 196 [2020-09-25 12:01:03,704 WARN L193 SmtUtils]: Spent 268.00 ms on a formula simplification. DAG size of input: 201 DAG size of output: 196 [2020-09-25 12:01:03,978 WARN L193 SmtUtils]: Spent 271.00 ms on a formula simplification. DAG size of input: 201 DAG size of output: 196 [2020-09-25 12:01:04,255 WARN L193 SmtUtils]: Spent 275.00 ms on a formula simplification. DAG size of input: 199 DAG size of output: 192 [2020-09-25 12:01:04,531 WARN L193 SmtUtils]: Spent 275.00 ms on a formula simplification. DAG size of input: 199 DAG size of output: 192 [2020-09-25 12:01:04,820 WARN L193 SmtUtils]: Spent 287.00 ms on a formula simplification. DAG size of input: 199 DAG size of output: 192 [2020-09-25 12:01:05,091 WARN L193 SmtUtils]: Spent 270.00 ms on a formula simplification. DAG size of input: 201 DAG size of output: 196 [2020-09-25 12:01:05,460 WARN L193 SmtUtils]: Spent 273.00 ms on a formula simplification. DAG size of input: 199 DAG size of output: 192 [2020-09-25 12:01:05,628 WARN L193 SmtUtils]: Spent 166.00 ms on a formula simplification that was a NOOP. DAG size: 194 [2020-09-25 12:01:05,793 WARN L193 SmtUtils]: Spent 156.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-09-25 12:01:05,951 WARN L193 SmtUtils]: Spent 156.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-09-25 12:01:06,109 WARN L193 SmtUtils]: Spent 156.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-09-25 12:01:06,267 WARN L193 SmtUtils]: Spent 156.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-09-25 12:01:06,450 WARN L193 SmtUtils]: Spent 167.00 ms on a formula simplification that was a NOOP. DAG size: 194 [2020-09-25 12:01:06,623 WARN L193 SmtUtils]: Spent 166.00 ms on a formula simplification that was a NOOP. DAG size: 194 [2020-09-25 12:01:06,879 WARN L193 SmtUtils]: Spent 255.00 ms on a formula simplification. DAG size of input: 209 DAG size of output: 10 [2020-09-25 12:01:07,058 WARN L193 SmtUtils]: Spent 166.00 ms on a formula simplification that was a NOOP. DAG size: 194 [2020-09-25 12:01:07,217 WARN L193 SmtUtils]: Spent 156.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-09-25 12:01:07,386 WARN L193 SmtUtils]: Spent 167.00 ms on a formula simplification that was a NOOP. DAG size: 194 [2020-09-25 12:01:07,554 WARN L193 SmtUtils]: Spent 166.00 ms on a formula simplification that was a NOOP. DAG size: 194 [2020-09-25 12:01:07,713 WARN L193 SmtUtils]: Spent 156.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-09-25 12:01:07,871 WARN L193 SmtUtils]: Spent 156.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-09-25 12:01:08,032 WARN L193 SmtUtils]: Spent 156.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-09-25 12:01:08,202 WARN L193 SmtUtils]: Spent 166.00 ms on a formula simplification that was a NOOP. DAG size: 194 [2020-09-25 12:01:08,366 WARN L193 SmtUtils]: Spent 156.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-09-25 12:01:08,533 WARN L193 SmtUtils]: Spent 165.00 ms on a formula simplification that was a NOOP. DAG size: 194 [2020-09-25 12:01:08,691 WARN L193 SmtUtils]: Spent 156.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-09-25 12:01:08,848 WARN L193 SmtUtils]: Spent 156.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-09-25 12:01:09,006 WARN L193 SmtUtils]: Spent 156.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-09-25 12:01:09,163 WARN L193 SmtUtils]: Spent 156.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-09-25 12:01:09,423 WARN L193 SmtUtils]: Spent 258.00 ms on a formula simplification. DAG size of input: 211 DAG size of output: 10 [2020-09-25 12:01:09,680 WARN L193 SmtUtils]: Spent 255.00 ms on a formula simplification. DAG size of input: 206 DAG size of output: 10 [2020-09-25 12:01:09,847 WARN L193 SmtUtils]: Spent 166.00 ms on a formula simplification that was a NOOP. DAG size: 194 [2020-09-25 12:01:10,005 WARN L193 SmtUtils]: Spent 156.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-09-25 12:01:10,436 WARN L193 SmtUtils]: Spent 427.00 ms on a formula simplification. DAG size of input: 144 DAG size of output: 13 [2020-09-25 12:01:10,645 WARN L193 SmtUtils]: Spent 205.00 ms on a formula simplification. DAG size of input: 146 DAG size of output: 28 [2020-09-25 12:01:11,141 WARN L193 SmtUtils]: Spent 490.00 ms on a formula simplification. DAG size of input: 148 DAG size of output: 28 [2020-09-25 12:01:11,347 WARN L193 SmtUtils]: Spent 163.00 ms on a formula simplification. DAG size of input: 141 DAG size of output: 1 [2020-09-25 12:01:11,714 WARN L193 SmtUtils]: Spent 353.00 ms on a formula simplification. DAG size of input: 144 DAG size of output: 13 [2020-09-25 12:01:11,961 WARN L193 SmtUtils]: Spent 233.00 ms on a formula simplification. DAG size of input: 146 DAG size of output: 28 [2020-09-25 12:01:12,412 WARN L193 SmtUtils]: Spent 401.00 ms on a formula simplification. DAG size of input: 142 DAG size of output: 14 [2020-09-25 12:01:12,651 WARN L193 SmtUtils]: Spent 236.00 ms on a formula simplification. DAG size of input: 146 DAG size of output: 28 [2020-09-25 12:01:12,885 WARN L193 SmtUtils]: Spent 231.00 ms on a formula simplification. DAG size of input: 141 DAG size of output: 21